var H5P = H5P || {};

/**
 * Constructor.
 *
 * @param {object} params Options for this library.
 */
H5P.Text = function (params) {
  this.text = params.text === undefined ? '<em>New text</em>' : params.text;
};

/**
 * Wipe out the content of the wrapper and put our HTML in it.
 *
 * @param {jQuery} $wrapper
 */
H5P.Text.prototype.attach = function ($wrapper) {
  $wrapper.addClass('h5p-text').html(this.text);
};
;var H5P = H5P || {};
/**
 * Transition contains helper function relevant for transitioning
 */
H5P.Transition = (function ($) {

  /**
   * @class
   * @namespace H5P
   */
  Transition = {};

  /**
   * @private
   */
  Transition.transitionEndEventNames = {
    'WebkitTransition': 'webkitTransitionEnd',
    'transition':       'transitionend',
    'MozTransition':    'transitionend',
    'OTransition':      'oTransitionEnd',
    'msTransition':     'MSTransitionEnd'
  };

  /**
   * @private
   */
  Transition.cache = [];

  /**
   * Get the vendor property name for an event
   *
   * @function H5P.Transition.getVendorPropertyName
   * @static
   * @private
   * @param  {string} prop Generic property name
   * @return {string}      Vendor specific property name
   */
  Transition.getVendorPropertyName = function (prop) {

    if (Transition.cache[prop] !== undefined) {
      return Transition.cache[prop];
    }

    var div = document.createElement('div');

    // Handle unprefixed versions (FF16+, for example)
    if (prop in div.style) {
      Transition.cache[prop] = prop;
    }
    else {
      var prefixes = ['Moz', 'Webkit', 'O', 'ms'];
      var prop_ = prop.charAt(0).toUpperCase() + prop.substr(1);

      if (prop in div.style) {
        Transition.cache[prop] = prop;
      }
      else {
        for (var i = 0; i < prefixes.length; ++i) {
          var vendorProp = prefixes[i] + prop_;
          if (vendorProp in div.style) {
            Transition.cache[prop] = vendorProp;
            break;
          }
        }
      }
    }

    return Transition.cache[prop];
  };

  /**
   * Get the name of the transition end event
   *
   * @static
   * @private
   * @return {string}  description
   */
  Transition.getTransitionEndEventName = function () {
    return Transition.transitionEndEventNames[Transition.getVendorPropertyName('transition')] || undefined;
  };

  /**
   * Helper function for listening on transition end events
   *
   * @function H5P.Transition.onTransitionEnd
   * @static
   * @param  {domElement} $element The element which is transitioned
   * @param  {function} callback The callback to be invoked when transition is finished
   * @param  {number} timeout  Timeout in milliseconds. Fallback if transition event is never fired
   */
  Transition.onTransitionEnd = function ($element, callback, timeout) {
    // Fallback on 1 second if transition event is not supported/triggered
    timeout = timeout || 1000;
    Transition.transitionEndEventName = Transition.transitionEndEventName || Transition.getTransitionEndEventName();
    var callbackCalled = false;

    var doCallback = function () {
      if (callbackCalled) {
        return;
      }
      $element.off(Transition.transitionEndEventName, callback);
      callbackCalled = true;
      clearTimeout(timer);
      callback();
    };

    var timer = setTimeout(function () {
      doCallback();
    }, timeout);

    $element.on(Transition.transitionEndEventName, function () {
      doCallback();
    });
  };

  /**
   * Wait for a transition - when finished, invokes next in line
   *
   * @private
   *
   * @param {Object[]}    transitions             Array of transitions
   * @param {H5P.jQuery}  transitions[].$element  Dom element transition is performed on
   * @param {number=}     transitions[].timeout   Timeout fallback if transition end never is triggered
   * @param {bool=}       transitions[].break     If true, sequence breaks after this transition
   * @param {number}      index                   The index for current transition
   */
  var runSequence = function (transitions, index) {
    if (index >= transitions.length) {
      return;
    }

    var transition = transitions[index];
    H5P.Transition.onTransitionEnd(transition.$element, function () {
      if (transition.end) {
        transition.end();
      }
      if (transition.break !== true) {
        runSequence(transitions, index+1);
      }
    }, transition.timeout || undefined);
  };

  /**
   * Run a sequence of transitions
   *
   * @function H5P.Transition.sequence
   * @static
   * @param {Object[]}    transitions             Array of transitions
   * @param {H5P.jQuery}  transitions[].$element  Dom element transition is performed on
   * @param {number=}     transitions[].timeout   Timeout fallback if transition end never is triggered
   * @param {bool=}       transitions[].break     If true, sequence breaks after this transition
   */
  Transition.sequence = function (transitions) {
    runSequence(transitions, 0);
  };

  return Transition;
})(H5P.jQuery);
;var oldJQuery = jQuery;
var jQuery = H5P.jQuery;

/*! jQuery UI - v1.13.0 - 2021-10-07
* http://jqueryui.com
* Includes: widget.js, position.js, data.js, disable-selection.js, effect.js, effects/effect-blind.js, effects/effect-bounce.js, effects/effect-clip.js, effects/effect-drop.js, effects/effect-explode.js, effects/effect-fade.js, effects/effect-fold.js, effects/effect-highlight.js, effects/effect-puff.js, effects/effect-pulsate.js, effects/effect-scale.js, effects/effect-shake.js, effects/effect-size.js, effects/effect-slide.js, effects/effect-transfer.js, focusable.js, form-reset-mixin.js, jquery-patch.js, keycode.js, labels.js, scroll-parent.js, tabbable.js, unique-id.js, widgets/accordion.js, widgets/autocomplete.js, widgets/button.js, widgets/checkboxradio.js, widgets/controlgroup.js, widgets/datepicker.js, widgets/dialog.js, widgets/draggable.js, widgets/droppable.js, widgets/menu.js, widgets/mouse.js, widgets/progressbar.js, widgets/resizable.js, widgets/selectable.js, widgets/selectmenu.js, widgets/slider.js, widgets/sortable.js, widgets/spinner.js, widgets/tabs.js, widgets/tooltip.js
* Copyright jQuery Foundation and other contributors; Licensed MIT */

( function( factory ) {
	"use strict";

	if ( typeof define === "function" && define.amd ) {

		// AMD. Register as an anonymous module.
		define( [ "jquery" ], factory );
	} else {

		// Browser globals
		factory( jQuery );
	}
} )( function( $ ) {
	"use strict";

	$.ui = $.ui || {};

	var version = $.ui.version = "1.13.0";


	/*!
 * jQuery UI Widget 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Widget
//>>group: Core
//>>description: Provides a factory for creating stateful widgets with a common API.
//>>docs: http://api.jqueryui.com/jQuery.widget/
//>>demos: http://jqueryui.com/widget/


	var widgetUuid = 0;
	var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
	var widgetSlice = Array.prototype.slice;

	$.cleanData = ( function( orig ) {
		return function( elems ) {
			var events, elem, i;
			for ( i = 0; ( elem = elems[ i ] ) != null; i++ ) {

				// Only trigger remove when necessary to save time
				events = $._data( elem, "events" );
				if ( events && events.remove ) {
					$( elem ).triggerHandler( "remove" );
				}
			}
			orig( elems );
		};
	} )( $.cleanData );

	$.widget = function( name, base, prototype ) {
		var existingConstructor, constructor, basePrototype;

		// ProxiedPrototype allows the provided prototype to remain unmodified
		// so that it can be used as a mixin for multiple widgets (#8876)
		var proxiedPrototype = {};

		var namespace = name.split( "." )[ 0 ];
		name = name.split( "." )[ 1 ];
		var fullName = namespace + "-" + name;

		if ( !prototype ) {
			prototype = base;
			base = $.Widget;
		}

		if ( Array.isArray( prototype ) ) {
			prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
		}

		// Create selector for plugin
		$.expr.pseudos[ fullName.toLowerCase() ] = function( elem ) {
			return !!$.data( elem, fullName );
		};

		$[ namespace ] = $[ namespace ] || {};
		existingConstructor = $[ namespace ][ name ];
		constructor = $[ namespace ][ name ] = function( options, element ) {

			// Allow instantiation without "new" keyword
			if ( !this._createWidget ) {
				return new constructor( options, element );
			}

			// Allow instantiation without initializing for simple inheritance
			// must use "new" keyword (the code above always passes args)
			if ( arguments.length ) {
				this._createWidget( options, element );
			}
		};

		// Extend with the existing constructor to carry over any static properties
		$.extend( constructor, existingConstructor, {
			version: prototype.version,

			// Copy the object used to create the prototype in case we need to
			// redefine the widget later
			_proto: $.extend( {}, prototype ),

			// Track widgets that inherit from this widget in case this widget is
			// redefined after a widget inherits from it
			_childConstructors: []
		} );

		basePrototype = new base();

		// We need to make the options hash a property directly on the new instance
		// otherwise we'll modify the options hash on the prototype that we're
		// inheriting from
		basePrototype.options = $.widget.extend( {}, basePrototype.options );
		$.each( prototype, function( prop, value ) {
			if ( typeof value !== "function" ) {
				proxiedPrototype[ prop ] = value;
				return;
			}
			proxiedPrototype[ prop ] = ( function() {
				function _super() {
					return base.prototype[ prop ].apply( this, arguments );
				}

				function _superApply( args ) {
					return base.prototype[ prop ].apply( this, args );
				}

				return function() {
					var __super = this._super;
					var __superApply = this._superApply;
					var returnValue;

					this._super = _super;
					this._superApply = _superApply;

					returnValue = value.apply( this, arguments );

					this._super = __super;
					this._superApply = __superApply;

					return returnValue;
				};
			} )();
		} );
		constructor.prototype = $.widget.extend( basePrototype, {

			// TODO: remove support for widgetEventPrefix
			// always use the name + a colon as the prefix, e.g., draggable:start
			// don't prefix for widgets that aren't DOM-based
			widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
		}, proxiedPrototype, {
			constructor: constructor,
			namespace: namespace,
			widgetName: name,
			widgetFullName: fullName
		} );

		// If this widget is being redefined then we need to find all widgets that
		// are inheriting from it and redefine all of them so that they inherit from
		// the new version of this widget. We're essentially trying to replace one
		// level in the prototype chain.
		if ( existingConstructor ) {
			$.each( existingConstructor._childConstructors, function( i, child ) {
				var childPrototype = child.prototype;

				// Redefine the child widget using the same prototype that was
				// originally used, but inherit from the new version of the base
				$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
					child._proto );
			} );

			// Remove the list of existing child constructors from the old constructor
			// so the old child constructors can be garbage collected
			delete existingConstructor._childConstructors;
		} else {
			base._childConstructors.push( constructor );
		}

		$.widget.bridge( name, constructor );

		return constructor;
	};

	$.widget.extend = function( target ) {
		var input = widgetSlice.call( arguments, 1 );
		var inputIndex = 0;
		var inputLength = input.length;
		var key;
		var value;

		for ( ; inputIndex < inputLength; inputIndex++ ) {
			for ( key in input[ inputIndex ] ) {
				value = input[ inputIndex ][ key ];
				if ( widgetHasOwnProperty.call( input[ inputIndex ], key ) && value !== undefined ) {

					// Clone objects
					if ( $.isPlainObject( value ) ) {
						target[ key ] = $.isPlainObject( target[ key ] ) ?
							$.widget.extend( {}, target[ key ], value ) :

							// Don't extend strings, arrays, etc. with objects
							$.widget.extend( {}, value );

						// Copy everything else by reference
					} else {
						target[ key ] = value;
					}
				}
			}
		}
		return target;
	};

	$.widget.bridge = function( name, object ) {
		var fullName = object.prototype.widgetFullName || name;
		$.fn[ name ] = function( options ) {
			var isMethodCall = typeof options === "string";
			var args = widgetSlice.call( arguments, 1 );
			var returnValue = this;

			if ( isMethodCall ) {

				// If this is an empty collection, we need to have the instance method
				// return undefined instead of the jQuery instance
				if ( !this.length && options === "instance" ) {
					returnValue = undefined;
				} else {
					this.each( function() {
						var methodValue;
						var instance = $.data( this, fullName );

						if ( options === "instance" ) {
							returnValue = instance;
							return false;
						}

						if ( !instance ) {
							return $.error( "cannot call methods on " + name +
								" prior to initialization; " +
								"attempted to call method '" + options + "'" );
						}

						if ( typeof instance[ options ] !== "function" ||
							options.charAt( 0 ) === "_" ) {
							return $.error( "no such method '" + options + "' for " + name +
								" widget instance" );
						}

						methodValue = instance[ options ].apply( instance, args );

						if ( methodValue !== instance && methodValue !== undefined ) {
							returnValue = methodValue && methodValue.jquery ?
								returnValue.pushStack( methodValue.get() ) :
								methodValue;
							return false;
						}
					} );
				}
			} else {

				// Allow multiple hashes to be passed on init
				if ( args.length ) {
					options = $.widget.extend.apply( null, [ options ].concat( args ) );
				}

				this.each( function() {
					var instance = $.data( this, fullName );
					if ( instance ) {
						instance.option( options || {} );
						if ( instance._init ) {
							instance._init();
						}
					} else {
						$.data( this, fullName, new object( options, this ) );
					}
				} );
			}

			return returnValue;
		};
	};

	$.Widget = function( /* options, element */ ) {};
	$.Widget._childConstructors = [];

	$.Widget.prototype = {
		widgetName: "widget",
		widgetEventPrefix: "",
		defaultElement: "<div>",

		options: {
			classes: {},
			disabled: false,

			// Callbacks
			create: null
		},

		_createWidget: function( options, element ) {
			element = $( element || this.defaultElement || this )[ 0 ];
			this.element = $( element );
			this.uuid = widgetUuid++;
			this.eventNamespace = "." + this.widgetName + this.uuid;

			this.bindings = $();
			this.hoverable = $();
			this.focusable = $();
			this.classesElementLookup = {};

			if ( element !== this ) {
				$.data( element, this.widgetFullName, this );
				this._on( true, this.element, {
					remove: function( event ) {
						if ( event.target === element ) {
							this.destroy();
						}
					}
				} );
				this.document = $( element.style ?

					// Element within the document
					element.ownerDocument :

					// Element is window or document
					element.document || element );
				this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
			}

			this.options = $.widget.extend( {},
				this.options,
				this._getCreateOptions(),
				options );

			this._create();

			if ( this.options.disabled ) {
				this._setOptionDisabled( this.options.disabled );
			}

			this._trigger( "create", null, this._getCreateEventData() );
			this._init();
		},

		_getCreateOptions: function() {
			return {};
		},

		_getCreateEventData: $.noop,

		_create: $.noop,

		_init: $.noop,

		destroy: function() {
			var that = this;

			this._destroy();
			$.each( this.classesElementLookup, function( key, value ) {
				that._removeClass( value, key );
			} );

			// We can probably remove the unbind calls in 2.0
			// all event bindings should go through this._on()
			this.element
			.off( this.eventNamespace )
			.removeData( this.widgetFullName );
			this.widget()
			.off( this.eventNamespace )
			.removeAttr( "aria-disabled" );

			// Clean up events and states
			this.bindings.off( this.eventNamespace );
		},

		_destroy: $.noop,

		widget: function() {
			return this.element;
		},

		option: function( key, value ) {
			var options = key;
			var parts;
			var curOption;
			var i;

			if ( arguments.length === 0 ) {

				// Don't return a reference to the internal hash
				return $.widget.extend( {}, this.options );
			}

			if ( typeof key === "string" ) {

				// Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
				options = {};
				parts = key.split( "." );
				key = parts.shift();
				if ( parts.length ) {
					curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
					for ( i = 0; i < parts.length - 1; i++ ) {
						curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
						curOption = curOption[ parts[ i ] ];
					}
					key = parts.pop();
					if ( arguments.length === 1 ) {
						return curOption[ key ] === undefined ? null : curOption[ key ];
					}
					curOption[ key ] = value;
				} else {
					if ( arguments.length === 1 ) {
						return this.options[ key ] === undefined ? null : this.options[ key ];
					}
					options[ key ] = value;
				}
			}

			this._setOptions( options );

			return this;
		},

		_setOptions: function( options ) {
			var key;

			for ( key in options ) {
				this._setOption( key, options[ key ] );
			}

			return this;
		},

		_setOption: function( key, value ) {
			if ( key === "classes" ) {
				this._setOptionClasses( value );
			}

			this.options[ key ] = value;

			if ( key === "disabled" ) {
				this._setOptionDisabled( value );
			}

			return this;
		},

		_setOptionClasses: function( value ) {
			var classKey, elements, currentElements;

			for ( classKey in value ) {
				currentElements = this.classesElementLookup[ classKey ];
				if ( value[ classKey ] === this.options.classes[ classKey ] ||
					!currentElements ||
					!currentElements.length ) {
					continue;
				}

				// We are doing this to create a new jQuery object because the _removeClass() call
				// on the next line is going to destroy the reference to the current elements being
				// tracked. We need to save a copy of this collection so that we can add the new classes
				// below.
				elements = $( currentElements.get() );
				this._removeClass( currentElements, classKey );

				// We don't use _addClass() here, because that uses this.options.classes
				// for generating the string of classes. We want to use the value passed in from
				// _setOption(), this is the new value of the classes option which was passed to
				// _setOption(). We pass this value directly to _classes().
				elements.addClass( this._classes( {
					element: elements,
					keys: classKey,
					classes: value,
					add: true
				} ) );
			}
		},

		_setOptionDisabled: function( value ) {
			this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );

			// If the widget is becoming disabled, then nothing is interactive
			if ( value ) {
				this._removeClass( this.hoverable, null, "ui-state-hover" );
				this._removeClass( this.focusable, null, "ui-state-focus" );
			}
		},

		enable: function() {
			return this._setOptions( { disabled: false } );
		},

		disable: function() {
			return this._setOptions( { disabled: true } );
		},

		_classes: function( options ) {
			var full = [];
			var that = this;

			options = $.extend( {
				element: this.element,
				classes: this.options.classes || {}
			}, options );

			function bindRemoveEvent() {
				options.element.each( function( _, element ) {
					var isTracked = $.map( that.classesElementLookup, function( elements ) {
						return elements;
					} )
					.some( function( elements ) {
						return elements.is( element );
					} );

					if ( !isTracked ) {
						that._on( $( element ), {
							remove: "_untrackClassesElement"
						} );
					}
				} );
			}

			function processClassString( classes, checkOption ) {
				var current, i;
				for ( i = 0; i < classes.length; i++ ) {
					current = that.classesElementLookup[ classes[ i ] ] || $();
					if ( options.add ) {
						bindRemoveEvent();
						current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
					} else {
						current = $( current.not( options.element ).get() );
					}
					that.classesElementLookup[ classes[ i ] ] = current;
					full.push( classes[ i ] );
					if ( checkOption && options.classes[ classes[ i ] ] ) {
						full.push( options.classes[ classes[ i ] ] );
					}
				}
			}

			if ( options.keys ) {
				processClassString( options.keys.match( /\S+/g ) || [], true );
			}
			if ( options.extra ) {
				processClassString( options.extra.match( /\S+/g ) || [] );
			}

			return full.join( " " );
		},

		_untrackClassesElement: function( event ) {
			var that = this;
			$.each( that.classesElementLookup, function( key, value ) {
				if ( $.inArray( event.target, value ) !== -1 ) {
					that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
				}
			} );

			this._off( $( event.target ) );
		},

		_removeClass: function( element, keys, extra ) {
			return this._toggleClass( element, keys, extra, false );
		},

		_addClass: function( element, keys, extra ) {
			return this._toggleClass( element, keys, extra, true );
		},

		_toggleClass: function( element, keys, extra, add ) {
			add = ( typeof add === "boolean" ) ? add : extra;
			var shift = ( typeof element === "string" || element === null ),
				options = {
					extra: shift ? keys : extra,
					keys: shift ? element : keys,
					element: shift ? this.element : element,
					add: add
				};
			options.element.toggleClass( this._classes( options ), add );
			return this;
		},

		_on: function( suppressDisabledCheck, element, handlers ) {
			var delegateElement;
			var instance = this;

			// No suppressDisabledCheck flag, shuffle arguments
			if ( typeof suppressDisabledCheck !== "boolean" ) {
				handlers = element;
				element = suppressDisabledCheck;
				suppressDisabledCheck = false;
			}

			// No element argument, shuffle and use this.element
			if ( !handlers ) {
				handlers = element;
				element = this.element;
				delegateElement = this.widget();
			} else {
				element = delegateElement = $( element );
				this.bindings = this.bindings.add( element );
			}

			$.each( handlers, function( event, handler ) {
				function handlerProxy() {

					// Allow widgets to customize the disabled handling
					// - disabled as an array instead of boolean
					// - disabled class as method for disabling individual parts
					if ( !suppressDisabledCheck &&
						( instance.options.disabled === true ||
							$( this ).hasClass( "ui-state-disabled" ) ) ) {
						return;
					}
					return ( typeof handler === "string" ? instance[ handler ] : handler )
					.apply( instance, arguments );
				}

				// Copy the guid so direct unbinding works
				if ( typeof handler !== "string" ) {
					handlerProxy.guid = handler.guid =
						handler.guid || handlerProxy.guid || $.guid++;
				}

				var match = event.match( /^([\w:-]*)\s*(.*)$/ );
				var eventName = match[ 1 ] + instance.eventNamespace;
				var selector = match[ 2 ];

				if ( selector ) {
					delegateElement.on( eventName, selector, handlerProxy );
				} else {
					element.on( eventName, handlerProxy );
				}
			} );
		},

		_off: function( element, eventName ) {
			eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
				this.eventNamespace;
			element.off( eventName );

			// Clear the stack to avoid memory leaks (#10056)
			this.bindings = $( this.bindings.not( element ).get() );
			this.focusable = $( this.focusable.not( element ).get() );
			this.hoverable = $( this.hoverable.not( element ).get() );
		},

		_delay: function( handler, delay ) {
			function handlerProxy() {
				return ( typeof handler === "string" ? instance[ handler ] : handler )
				.apply( instance, arguments );
			}
			var instance = this;
			return setTimeout( handlerProxy, delay || 0 );
		},

		_hoverable: function( element ) {
			this.hoverable = this.hoverable.add( element );
			this._on( element, {
				mouseenter: function( event ) {
					this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
				},
				mouseleave: function( event ) {
					this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
				}
			} );
		},

		_focusable: function( element ) {
			this.focusable = this.focusable.add( element );
			this._on( element, {
				focusin: function( event ) {
					this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
				},
				focusout: function( event ) {
					this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
				}
			} );
		},

		_trigger: function( type, event, data ) {
			var prop, orig;
			var callback = this.options[ type ];

			data = data || {};
			event = $.Event( event );
			event.type = ( type === this.widgetEventPrefix ?
				type :
				this.widgetEventPrefix + type ).toLowerCase();

			// The original event may come from any element
			// so we need to reset the target on the new event
			event.target = this.element[ 0 ];

			// Copy original event properties over to the new event
			orig = event.originalEvent;
			if ( orig ) {
				for ( prop in orig ) {
					if ( !( prop in event ) ) {
						event[ prop ] = orig[ prop ];
					}
				}
			}

			this.element.trigger( event, data );
			return !( typeof callback === "function" &&
				callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
				event.isDefaultPrevented() );
		}
	};

	$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
		$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
			if ( typeof options === "string" ) {
				options = { effect: options };
			}

			var hasOptions;
			var effectName = !options ?
				method :
				options === true || typeof options === "number" ?
					defaultEffect :
					options.effect || defaultEffect;

			options = options || {};
			if ( typeof options === "number" ) {
				options = { duration: options };
			} else if ( options === true ) {
				options = {};
			}

			hasOptions = !$.isEmptyObject( options );
			options.complete = callback;

			if ( options.delay ) {
				element.delay( options.delay );
			}

			if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
				element[ method ]( options );
			} else if ( effectName !== method && element[ effectName ] ) {
				element[ effectName ]( options.duration, options.easing, callback );
			} else {
				element.queue( function( next ) {
					$( this )[ method ]();
					if ( callback ) {
						callback.call( element[ 0 ] );
					}
					next();
				} );
			}
		};
	} );

	var widget = $.widget;


	/*!
 * jQuery UI Position 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/position/
 */

//>>label: Position
//>>group: Core
//>>description: Positions elements relative to other elements.
//>>docs: http://api.jqueryui.com/position/
//>>demos: http://jqueryui.com/position/


	( function() {
		var cachedScrollbarWidth,
			max = Math.max,
			abs = Math.abs,
			rhorizontal = /left|center|right/,
			rvertical = /top|center|bottom/,
			roffset = /[\+\-]\d+(\.[\d]+)?%?/,
			rposition = /^\w+/,
			rpercent = /%$/,
			_position = $.fn.position;

		function getOffsets( offsets, width, height ) {
			return [
				parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
				parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
			];
		}

		function parseCss( element, property ) {
			return parseInt( $.css( element, property ), 10 ) || 0;
		}

		function isWindow( obj ) {
			return obj != null && obj === obj.window;
		}

		function getDimensions( elem ) {
			var raw = elem[ 0 ];
			if ( raw.nodeType === 9 ) {
				return {
					width: elem.width(),
					height: elem.height(),
					offset: { top: 0, left: 0 }
				};
			}
			if ( isWindow( raw ) ) {
				return {
					width: elem.width(),
					height: elem.height(),
					offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
				};
			}
			if ( raw.preventDefault ) {
				return {
					width: 0,
					height: 0,
					offset: { top: raw.pageY, left: raw.pageX }
				};
			}
			return {
				width: elem.outerWidth(),
				height: elem.outerHeight(),
				offset: elem.offset()
			};
		}

		$.position = {
			scrollbarWidth: function() {
				if ( cachedScrollbarWidth !== undefined ) {
					return cachedScrollbarWidth;
				}
				var w1, w2,
					div = $( "<div style=" +
						"'display:block;position:absolute;width:200px;height:200px;overflow:hidden;'>" +
						"<div style='height:300px;width:auto;'></div></div>" ),
					innerDiv = div.children()[ 0 ];

				$( "body" ).append( div );
				w1 = innerDiv.offsetWidth;
				div.css( "overflow", "scroll" );

				w2 = innerDiv.offsetWidth;

				if ( w1 === w2 ) {
					w2 = div[ 0 ].clientWidth;
				}

				div.remove();

				return ( cachedScrollbarWidth = w1 - w2 );
			},
			getScrollInfo: function( within ) {
				var overflowX = within.isWindow || within.isDocument ? "" :
						within.element.css( "overflow-x" ),
					overflowY = within.isWindow || within.isDocument ? "" :
						within.element.css( "overflow-y" ),
					hasOverflowX = overflowX === "scroll" ||
						( overflowX === "auto" && within.width < within.element[ 0 ].scrollWidth ),
					hasOverflowY = overflowY === "scroll" ||
						( overflowY === "auto" && within.height < within.element[ 0 ].scrollHeight );
				return {
					width: hasOverflowY ? $.position.scrollbarWidth() : 0,
					height: hasOverflowX ? $.position.scrollbarWidth() : 0
				};
			},
			getWithinInfo: function( element ) {
				var withinElement = $( element || window ),
					isElemWindow = isWindow( withinElement[ 0 ] ),
					isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9,
					hasOffset = !isElemWindow && !isDocument;
				return {
					element: withinElement,
					isWindow: isElemWindow,
					isDocument: isDocument,
					offset: hasOffset ? $( element ).offset() : { left: 0, top: 0 },
					scrollLeft: withinElement.scrollLeft(),
					scrollTop: withinElement.scrollTop(),
					width: withinElement.outerWidth(),
					height: withinElement.outerHeight()
				};
			}
		};

		$.fn.position = function( options ) {
			if ( !options || !options.of ) {
				return _position.apply( this, arguments );
			}

			// Make a copy, we don't want to modify arguments
			options = $.extend( {}, options );

			var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,

				// Make sure string options are treated as CSS selectors
				target = typeof options.of === "string" ?
					$( document ).find( options.of ) :
					$( options.of ),

				within = $.position.getWithinInfo( options.within ),
				scrollInfo = $.position.getScrollInfo( within ),
				collision = ( options.collision || "flip" ).split( " " ),
				offsets = {};

			dimensions = getDimensions( target );
			if ( target[ 0 ].preventDefault ) {

				// Force left top to allow flipping
				options.at = "left top";
			}
			targetWidth = dimensions.width;
			targetHeight = dimensions.height;
			targetOffset = dimensions.offset;

			// Clone to reuse original targetOffset later
			basePosition = $.extend( {}, targetOffset );

			// Force my and at to have valid horizontal and vertical positions
			// if a value is missing or invalid, it will be converted to center
			$.each( [ "my", "at" ], function() {
				var pos = ( options[ this ] || "" ).split( " " ),
					horizontalOffset,
					verticalOffset;

				if ( pos.length === 1 ) {
					pos = rhorizontal.test( pos[ 0 ] ) ?
						pos.concat( [ "center" ] ) :
						rvertical.test( pos[ 0 ] ) ?
							[ "center" ].concat( pos ) :
							[ "center", "center" ];
				}
				pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
				pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";

				// Calculate offsets
				horizontalOffset = roffset.exec( pos[ 0 ] );
				verticalOffset = roffset.exec( pos[ 1 ] );
				offsets[ this ] = [
					horizontalOffset ? horizontalOffset[ 0 ] : 0,
					verticalOffset ? verticalOffset[ 0 ] : 0
				];

				// Reduce to just the positions without the offsets
				options[ this ] = [
					rposition.exec( pos[ 0 ] )[ 0 ],
					rposition.exec( pos[ 1 ] )[ 0 ]
				];
			} );

			// Normalize collision option
			if ( collision.length === 1 ) {
				collision[ 1 ] = collision[ 0 ];
			}

			if ( options.at[ 0 ] === "right" ) {
				basePosition.left += targetWidth;
			} else if ( options.at[ 0 ] === "center" ) {
				basePosition.left += targetWidth / 2;
			}

			if ( options.at[ 1 ] === "bottom" ) {
				basePosition.top += targetHeight;
			} else if ( options.at[ 1 ] === "center" ) {
				basePosition.top += targetHeight / 2;
			}

			atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
			basePosition.left += atOffset[ 0 ];
			basePosition.top += atOffset[ 1 ];

			return this.each( function() {
				var collisionPosition, using,
					elem = $( this ),
					elemWidth = elem.outerWidth(),
					elemHeight = elem.outerHeight(),
					marginLeft = parseCss( this, "marginLeft" ),
					marginTop = parseCss( this, "marginTop" ),
					collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) +
						scrollInfo.width,
					collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) +
						scrollInfo.height,
					position = $.extend( {}, basePosition ),
					myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );

				if ( options.my[ 0 ] === "right" ) {
					position.left -= elemWidth;
				} else if ( options.my[ 0 ] === "center" ) {
					position.left -= elemWidth / 2;
				}

				if ( options.my[ 1 ] === "bottom" ) {
					position.top -= elemHeight;
				} else if ( options.my[ 1 ] === "center" ) {
					position.top -= elemHeight / 2;
				}

				position.left += myOffset[ 0 ];
				position.top += myOffset[ 1 ];

				collisionPosition = {
					marginLeft: marginLeft,
					marginTop: marginTop
				};

				$.each( [ "left", "top" ], function( i, dir ) {
					if ( $.ui.position[ collision[ i ] ] ) {
						$.ui.position[ collision[ i ] ][ dir ]( position, {
							targetWidth: targetWidth,
							targetHeight: targetHeight,
							elemWidth: elemWidth,
							elemHeight: elemHeight,
							collisionPosition: collisionPosition,
							collisionWidth: collisionWidth,
							collisionHeight: collisionHeight,
							offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
							my: options.my,
							at: options.at,
							within: within,
							elem: elem
						} );
					}
				} );

				if ( options.using ) {

					// Adds feedback as second argument to using callback, if present
					using = function( props ) {
						var left = targetOffset.left - position.left,
							right = left + targetWidth - elemWidth,
							top = targetOffset.top - position.top,
							bottom = top + targetHeight - elemHeight,
							feedback = {
								target: {
									element: target,
									left: targetOffset.left,
									top: targetOffset.top,
									width: targetWidth,
									height: targetHeight
								},
								element: {
									element: elem,
									left: position.left,
									top: position.top,
									width: elemWidth,
									height: elemHeight
								},
								horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
								vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
							};
						if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
							feedback.horizontal = "center";
						}
						if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
							feedback.vertical = "middle";
						}
						if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
							feedback.important = "horizontal";
						} else {
							feedback.important = "vertical";
						}
						options.using.call( this, props, feedback );
					};
				}

				elem.offset( $.extend( position, { using: using } ) );
			} );
		};

		$.ui.position = {
			fit: {
				left: function( position, data ) {
					var within = data.within,
						withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
						outerWidth = within.width,
						collisionPosLeft = position.left - data.collisionPosition.marginLeft,
						overLeft = withinOffset - collisionPosLeft,
						overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
						newOverRight;

					// Element is wider than within
					if ( data.collisionWidth > outerWidth ) {

						// Element is initially over the left side of within
						if ( overLeft > 0 && overRight <= 0 ) {
							newOverRight = position.left + overLeft + data.collisionWidth - outerWidth -
								withinOffset;
							position.left += overLeft - newOverRight;

							// Element is initially over right side of within
						} else if ( overRight > 0 && overLeft <= 0 ) {
							position.left = withinOffset;

							// Element is initially over both left and right sides of within
						} else {
							if ( overLeft > overRight ) {
								position.left = withinOffset + outerWidth - data.collisionWidth;
							} else {
								position.left = withinOffset;
							}
						}

						// Too far left -> align with left edge
					} else if ( overLeft > 0 ) {
						position.left += overLeft;

						// Too far right -> align with right edge
					} else if ( overRight > 0 ) {
						position.left -= overRight;

						// Adjust based on position and margin
					} else {
						position.left = max( position.left - collisionPosLeft, position.left );
					}
				},
				top: function( position, data ) {
					var within = data.within,
						withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
						outerHeight = data.within.height,
						collisionPosTop = position.top - data.collisionPosition.marginTop,
						overTop = withinOffset - collisionPosTop,
						overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
						newOverBottom;

					// Element is taller than within
					if ( data.collisionHeight > outerHeight ) {

						// Element is initially over the top of within
						if ( overTop > 0 && overBottom <= 0 ) {
							newOverBottom = position.top + overTop + data.collisionHeight - outerHeight -
								withinOffset;
							position.top += overTop - newOverBottom;

							// Element is initially over bottom of within
						} else if ( overBottom > 0 && overTop <= 0 ) {
							position.top = withinOffset;

							// Element is initially over both top and bottom of within
						} else {
							if ( overTop > overBottom ) {
								position.top = withinOffset + outerHeight - data.collisionHeight;
							} else {
								position.top = withinOffset;
							}
						}

						// Too far up -> align with top
					} else if ( overTop > 0 ) {
						position.top += overTop;

						// Too far down -> align with bottom edge
					} else if ( overBottom > 0 ) {
						position.top -= overBottom;

						// Adjust based on position and margin
					} else {
						position.top = max( position.top - collisionPosTop, position.top );
					}
				}
			},
			flip: {
				left: function( position, data ) {
					var within = data.within,
						withinOffset = within.offset.left + within.scrollLeft,
						outerWidth = within.width,
						offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
						collisionPosLeft = position.left - data.collisionPosition.marginLeft,
						overLeft = collisionPosLeft - offsetLeft,
						overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
						myOffset = data.my[ 0 ] === "left" ?
							-data.elemWidth :
							data.my[ 0 ] === "right" ?
								data.elemWidth :
								0,
						atOffset = data.at[ 0 ] === "left" ?
							data.targetWidth :
							data.at[ 0 ] === "right" ?
								-data.targetWidth :
								0,
						offset = -2 * data.offset[ 0 ],
						newOverRight,
						newOverLeft;

					if ( overLeft < 0 ) {
						newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth -
							outerWidth - withinOffset;
						if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
							position.left += myOffset + atOffset + offset;
						}
					} else if ( overRight > 0 ) {
						newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset +
							atOffset + offset - offsetLeft;
						if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
							position.left += myOffset + atOffset + offset;
						}
					}
				},
				top: function( position, data ) {
					var within = data.within,
						withinOffset = within.offset.top + within.scrollTop,
						outerHeight = within.height,
						offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
						collisionPosTop = position.top - data.collisionPosition.marginTop,
						overTop = collisionPosTop - offsetTop,
						overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
						top = data.my[ 1 ] === "top",
						myOffset = top ?
							-data.elemHeight :
							data.my[ 1 ] === "bottom" ?
								data.elemHeight :
								0,
						atOffset = data.at[ 1 ] === "top" ?
							data.targetHeight :
							data.at[ 1 ] === "bottom" ?
								-data.targetHeight :
								0,
						offset = -2 * data.offset[ 1 ],
						newOverTop,
						newOverBottom;
					if ( overTop < 0 ) {
						newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight -
							outerHeight - withinOffset;
						if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) {
							position.top += myOffset + atOffset + offset;
						}
					} else if ( overBottom > 0 ) {
						newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset +
							offset - offsetTop;
						if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) {
							position.top += myOffset + atOffset + offset;
						}
					}
				}
			},
			flipfit: {
				left: function() {
					$.ui.position.flip.left.apply( this, arguments );
					$.ui.position.fit.left.apply( this, arguments );
				},
				top: function() {
					$.ui.position.flip.top.apply( this, arguments );
					$.ui.position.fit.top.apply( this, arguments );
				}
			}
		};

	} )();

	var position = $.ui.position;


	/*!
 * jQuery UI :data 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: :data Selector
//>>group: Core
//>>description: Selects elements which have data stored under the specified key.
//>>docs: http://api.jqueryui.com/data-selector/


	var data = $.extend( $.expr.pseudos, {
		data: $.expr.createPseudo ?
			$.expr.createPseudo( function( dataName ) {
				return function( elem ) {
					return !!$.data( elem, dataName );
				};
			} ) :

			// Support: jQuery <1.8
			function( elem, i, match ) {
				return !!$.data( elem, match[ 3 ] );
			}
	} );

	/*!
 * jQuery UI Disable Selection 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: disableSelection
//>>group: Core
//>>description: Disable selection of text content within the set of matched elements.
//>>docs: http://api.jqueryui.com/disableSelection/

// This file is deprecated

	var disableSelection = $.fn.extend( {
		disableSelection: ( function() {
			var eventType = "onselectstart" in document.createElement( "div" ) ?
				"selectstart" :
				"mousedown";

			return function() {
				return this.on( eventType + ".ui-disableSelection", function( event ) {
					event.preventDefault();
				} );
			};
		} )(),

		enableSelection: function() {
			return this.off( ".ui-disableSelection" );
		}
	} );



// Create a local jQuery because jQuery Color relies on it and the
// global may not exist with AMD and a custom build (#10199).
// This module is a noop if used as a regular AMD module.
// eslint-disable-next-line no-unused-vars
	var jQuery = $;


	/*!
 * jQuery Color Animations v2.2.0
 * https://github.com/jquery/jquery-color
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * Date: Sun May 10 09:02:36 2020 +0200
 */



	var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor " +
			"borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor",

		class2type = {},
		toString = class2type.toString,

		// plusequals test for += 100 -= 100
		rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,

		// a set of RE's that can match strings and generate color tuples.
		stringParsers = [ {
			re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
			parse: function( execResult ) {
				return [
					execResult[ 1 ],
					execResult[ 2 ],
					execResult[ 3 ],
					execResult[ 4 ]
				];
			}
		}, {
			re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
			parse: function( execResult ) {
				return [
					execResult[ 1 ] * 2.55,
					execResult[ 2 ] * 2.55,
					execResult[ 3 ] * 2.55,
					execResult[ 4 ]
				];
			}
		}, {

			// this regex ignores A-F because it's compared against an already lowercased string
			re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})?/,
			parse: function( execResult ) {
				return [
					parseInt( execResult[ 1 ], 16 ),
					parseInt( execResult[ 2 ], 16 ),
					parseInt( execResult[ 3 ], 16 ),
					execResult[ 4 ] ?
						( parseInt( execResult[ 4 ], 16 ) / 255 ).toFixed( 2 ) :
						1
				];
			}
		}, {

			// this regex ignores A-F because it's compared against an already lowercased string
			re: /#([a-f0-9])([a-f0-9])([a-f0-9])([a-f0-9])?/,
			parse: function( execResult ) {
				return [
					parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ),
					parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ),
					parseInt( execResult[ 3 ] + execResult[ 3 ], 16 ),
					execResult[ 4 ] ?
						( parseInt( execResult[ 4 ] + execResult[ 4 ], 16 ) / 255 )
						.toFixed( 2 ) :
						1
				];
			}
		}, {
			re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
			space: "hsla",
			parse: function( execResult ) {
				return [
					execResult[ 1 ],
					execResult[ 2 ] / 100,
					execResult[ 3 ] / 100,
					execResult[ 4 ]
				];
			}
		} ],

		// jQuery.Color( )
		color = jQuery.Color = function( color, green, blue, alpha ) {
			return new jQuery.Color.fn.parse( color, green, blue, alpha );
		},
		spaces = {
			rgba: {
				props: {
					red: {
						idx: 0,
						type: "byte"
					},
					green: {
						idx: 1,
						type: "byte"
					},
					blue: {
						idx: 2,
						type: "byte"
					}
				}
			},

			hsla: {
				props: {
					hue: {
						idx: 0,
						type: "degrees"
					},
					saturation: {
						idx: 1,
						type: "percent"
					},
					lightness: {
						idx: 2,
						type: "percent"
					}
				}
			}
		},
		propTypes = {
			"byte": {
				floor: true,
				max: 255
			},
			"percent": {
				max: 1
			},
			"degrees": {
				mod: 360,
				floor: true
			}
		},
		support = color.support = {},

		// element for support tests
		supportElem = jQuery( "<p>" )[ 0 ],

		// colors = jQuery.Color.names
		colors,

		// local aliases of functions called often
		each = jQuery.each;

// determine rgba support immediately
	supportElem.style.cssText = "background-color:rgba(1,1,1,.5)";
	support.rgba = supportElem.style.backgroundColor.indexOf( "rgba" ) > -1;

// define cache name and alpha properties
// for rgba and hsla spaces
	each( spaces, function( spaceName, space ) {
		space.cache = "_" + spaceName;
		space.props.alpha = {
			idx: 3,
			type: "percent",
			def: 1
		};
	} );

// Populate the class2type map
	jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
		function( _i, name ) {
			class2type[ "[object " + name + "]" ] = name.toLowerCase();
		} );

	function getType( obj ) {
		if ( obj == null ) {
			return obj + "";
		}

		return typeof obj === "object" ?
			class2type[ toString.call( obj ) ] || "object" :
			typeof obj;
	}

	function clamp( value, prop, allowEmpty ) {
		var type = propTypes[ prop.type ] || {};

		if ( value == null ) {
			return ( allowEmpty || !prop.def ) ? null : prop.def;
		}

		// ~~ is an short way of doing floor for positive numbers
		value = type.floor ? ~~value : parseFloat( value );

		// IE will pass in empty strings as value for alpha,
		// which will hit this case
		if ( isNaN( value ) ) {
			return prop.def;
		}

		if ( type.mod ) {

			// we add mod before modding to make sure that negatives values
			// get converted properly: -10 -> 350
			return ( value + type.mod ) % type.mod;
		}

		// for now all property types without mod have min and max
		return Math.min( type.max, Math.max( 0, value ) );
	}

	function stringParse( string ) {
		var inst = color(),
			rgba = inst._rgba = [];

		string = string.toLowerCase();

		each( stringParsers, function( _i, parser ) {
			var parsed,
				match = parser.re.exec( string ),
				values = match && parser.parse( match ),
				spaceName = parser.space || "rgba";

			if ( values ) {
				parsed = inst[ spaceName ]( values );

				// if this was an rgba parse the assignment might happen twice
				// oh well....
				inst[ spaces[ spaceName ].cache ] = parsed[ spaces[ spaceName ].cache ];
				rgba = inst._rgba = parsed._rgba;

				// exit each( stringParsers ) here because we matched
				return false;
			}
		} );

		// Found a stringParser that handled it
		if ( rgba.length ) {

			// if this came from a parsed string, force "transparent" when alpha is 0
			// chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
			if ( rgba.join() === "0,0,0,0" ) {
				jQuery.extend( rgba, colors.transparent );
			}
			return inst;
		}

		// named colors
		return colors[ string ];
	}

	color.fn = jQuery.extend( color.prototype, {
		parse: function( red, green, blue, alpha ) {
			if ( red === undefined ) {
				this._rgba = [ null, null, null, null ];
				return this;
			}
			if ( red.jquery || red.nodeType ) {
				red = jQuery( red ).css( green );
				green = undefined;
			}

			var inst = this,
				type = getType( red ),
				rgba = this._rgba = [];

			// more than 1 argument specified - assume ( red, green, blue, alpha )
			if ( green !== undefined ) {
				red = [ red, green, blue, alpha ];
				type = "array";
			}

			if ( type === "string" ) {
				return this.parse( stringParse( red ) || colors._default );
			}

			if ( type === "array" ) {
				each( spaces.rgba.props, function( _key, prop ) {
					rgba[ prop.idx ] = clamp( red[ prop.idx ], prop );
				} );
				return this;
			}

			if ( type === "object" ) {
				if ( red instanceof color ) {
					each( spaces, function( _spaceName, space ) {
						if ( red[ space.cache ] ) {
							inst[ space.cache ] = red[ space.cache ].slice();
						}
					} );
				} else {
					each( spaces, function( _spaceName, space ) {
						var cache = space.cache;
						each( space.props, function( key, prop ) {

							// if the cache doesn't exist, and we know how to convert
							if ( !inst[ cache ] && space.to ) {

								// if the value was null, we don't need to copy it
								// if the key was alpha, we don't need to copy it either
								if ( key === "alpha" || red[ key ] == null ) {
									return;
								}
								inst[ cache ] = space.to( inst._rgba );
							}

							// this is the only case where we allow nulls for ALL properties.
							// call clamp with alwaysAllowEmpty
							inst[ cache ][ prop.idx ] = clamp( red[ key ], prop, true );
						} );

						// everything defined but alpha?
						if ( inst[ cache ] && jQuery.inArray( null, inst[ cache ].slice( 0, 3 ) ) < 0 ) {

							// use the default of 1
							if ( inst[ cache ][ 3 ] == null ) {
								inst[ cache ][ 3 ] = 1;
							}

							if ( space.from ) {
								inst._rgba = space.from( inst[ cache ] );
							}
						}
					} );
				}
				return this;
			}
		},
		is: function( compare ) {
			var is = color( compare ),
				same = true,
				inst = this;

			each( spaces, function( _, space ) {
				var localCache,
					isCache = is[ space.cache ];
				if ( isCache ) {
					localCache = inst[ space.cache ] || space.to && space.to( inst._rgba ) || [];
					each( space.props, function( _, prop ) {
						if ( isCache[ prop.idx ] != null ) {
							same = ( isCache[ prop.idx ] === localCache[ prop.idx ] );
							return same;
						}
					} );
				}
				return same;
			} );
			return same;
		},
		_space: function() {
			var used = [],
				inst = this;
			each( spaces, function( spaceName, space ) {
				if ( inst[ space.cache ] ) {
					used.push( spaceName );
				}
			} );
			return used.pop();
		},
		transition: function( other, distance ) {
			var end = color( other ),
				spaceName = end._space(),
				space = spaces[ spaceName ],
				startColor = this.alpha() === 0 ? color( "transparent" ) : this,
				start = startColor[ space.cache ] || space.to( startColor._rgba ),
				result = start.slice();

			end = end[ space.cache ];
			each( space.props, function( _key, prop ) {
				var index = prop.idx,
					startValue = start[ index ],
					endValue = end[ index ],
					type = propTypes[ prop.type ] || {};

				// if null, don't override start value
				if ( endValue === null ) {
					return;
				}

				// if null - use end
				if ( startValue === null ) {
					result[ index ] = endValue;
				} else {
					if ( type.mod ) {
						if ( endValue - startValue > type.mod / 2 ) {
							startValue += type.mod;
						} else if ( startValue - endValue > type.mod / 2 ) {
							startValue -= type.mod;
						}
					}
					result[ index ] = clamp( ( endValue - startValue ) * distance + startValue, prop );
				}
			} );
			return this[ spaceName ]( result );
		},
		blend: function( opaque ) {

			// if we are already opaque - return ourself
			if ( this._rgba[ 3 ] === 1 ) {
				return this;
			}

			var rgb = this._rgba.slice(),
				a = rgb.pop(),
				blend = color( opaque )._rgba;

			return color( jQuery.map( rgb, function( v, i ) {
				return ( 1 - a ) * blend[ i ] + a * v;
			} ) );
		},
		toRgbaString: function() {
			var prefix = "rgba(",
				rgba = jQuery.map( this._rgba, function( v, i ) {
					if ( v != null ) {
						return v;
					}
					return i > 2 ? 1 : 0;
				} );

			if ( rgba[ 3 ] === 1 ) {
				rgba.pop();
				prefix = "rgb(";
			}

			return prefix + rgba.join() + ")";
		},
		toHslaString: function() {
			var prefix = "hsla(",
				hsla = jQuery.map( this.hsla(), function( v, i ) {
					if ( v == null ) {
						v = i > 2 ? 1 : 0;
					}

					// catch 1 and 2
					if ( i && i < 3 ) {
						v = Math.round( v * 100 ) + "%";
					}
					return v;
				} );

			if ( hsla[ 3 ] === 1 ) {
				hsla.pop();
				prefix = "hsl(";
			}
			return prefix + hsla.join() + ")";
		},
		toHexString: function( includeAlpha ) {
			var rgba = this._rgba.slice(),
				alpha = rgba.pop();

			if ( includeAlpha ) {
				rgba.push( ~~( alpha * 255 ) );
			}

			return "#" + jQuery.map( rgba, function( v ) {

				// default to 0 when nulls exist
				v = ( v || 0 ).toString( 16 );
				return v.length === 1 ? "0" + v : v;
			} ).join( "" );
		},
		toString: function() {
			return this._rgba[ 3 ] === 0 ? "transparent" : this.toRgbaString();
		}
	} );
	color.fn.parse.prototype = color.fn;

// hsla conversions adapted from:
// https://code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021

	function hue2rgb( p, q, h ) {
		h = ( h + 1 ) % 1;
		if ( h * 6 < 1 ) {
			return p + ( q - p ) * h * 6;
		}
		if ( h * 2 < 1 ) {
			return q;
		}
		if ( h * 3 < 2 ) {
			return p + ( q - p ) * ( ( 2 / 3 ) - h ) * 6;
		}
		return p;
	}

	spaces.hsla.to = function( rgba ) {
		if ( rgba[ 0 ] == null || rgba[ 1 ] == null || rgba[ 2 ] == null ) {
			return [ null, null, null, rgba[ 3 ] ];
		}
		var r = rgba[ 0 ] / 255,
			g = rgba[ 1 ] / 255,
			b = rgba[ 2 ] / 255,
			a = rgba[ 3 ],
			max = Math.max( r, g, b ),
			min = Math.min( r, g, b ),
			diff = max - min,
			add = max + min,
			l = add * 0.5,
			h, s;

		if ( min === max ) {
			h = 0;
		} else if ( r === max ) {
			h = ( 60 * ( g - b ) / diff ) + 360;
		} else if ( g === max ) {
			h = ( 60 * ( b - r ) / diff ) + 120;
		} else {
			h = ( 60 * ( r - g ) / diff ) + 240;
		}

		// chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
		// otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
		if ( diff === 0 ) {
			s = 0;
		} else if ( l <= 0.5 ) {
			s = diff / add;
		} else {
			s = diff / ( 2 - add );
		}
		return [ Math.round( h ) % 360, s, l, a == null ? 1 : a ];
	};

	spaces.hsla.from = function( hsla ) {
		if ( hsla[ 0 ] == null || hsla[ 1 ] == null || hsla[ 2 ] == null ) {
			return [ null, null, null, hsla[ 3 ] ];
		}
		var h = hsla[ 0 ] / 360,
			s = hsla[ 1 ],
			l = hsla[ 2 ],
			a = hsla[ 3 ],
			q = l <= 0.5 ? l * ( 1 + s ) : l + s - l * s,
			p = 2 * l - q;

		return [
			Math.round( hue2rgb( p, q, h + ( 1 / 3 ) ) * 255 ),
			Math.round( hue2rgb( p, q, h ) * 255 ),
			Math.round( hue2rgb( p, q, h - ( 1 / 3 ) ) * 255 ),
			a
		];
	};


	each( spaces, function( spaceName, space ) {
		var props = space.props,
			cache = space.cache,
			to = space.to,
			from = space.from;

		// makes rgba() and hsla()
		color.fn[ spaceName ] = function( value ) {

			// generate a cache for this space if it doesn't exist
			if ( to && !this[ cache ] ) {
				this[ cache ] = to( this._rgba );
			}
			if ( value === undefined ) {
				return this[ cache ].slice();
			}

			var ret,
				type = getType( value ),
				arr = ( type === "array" || type === "object" ) ? value : arguments,
				local = this[ cache ].slice();

			each( props, function( key, prop ) {
				var val = arr[ type === "object" ? key : prop.idx ];
				if ( val == null ) {
					val = local[ prop.idx ];
				}
				local[ prop.idx ] = clamp( val, prop );
			} );

			if ( from ) {
				ret = color( from( local ) );
				ret[ cache ] = local;
				return ret;
			} else {
				return color( local );
			}
		};

		// makes red() green() blue() alpha() hue() saturation() lightness()
		each( props, function( key, prop ) {

			// alpha is included in more than one space
			if ( color.fn[ key ] ) {
				return;
			}
			color.fn[ key ] = function( value ) {
				var local, cur, match, fn,
					vtype = getType( value );

				if ( key === "alpha" ) {
					fn = this._hsla ? "hsla" : "rgba";
				} else {
					fn = spaceName;
				}
				local = this[ fn ]();
				cur = local[ prop.idx ];

				if ( vtype === "undefined" ) {
					return cur;
				}

				if ( vtype === "function" ) {
					value = value.call( this, cur );
					vtype = getType( value );
				}
				if ( value == null && prop.empty ) {
					return this;
				}
				if ( vtype === "string" ) {
					match = rplusequals.exec( value );
					if ( match ) {
						value = cur + parseFloat( match[ 2 ] ) * ( match[ 1 ] === "+" ? 1 : -1 );
					}
				}
				local[ prop.idx ] = value;
				return this[ fn ]( local );
			};
		} );
	} );

// add cssHook and .fx.step function for each named hook.
// accept a space separated string of properties
	color.hook = function( hook ) {
		var hooks = hook.split( " " );
		each( hooks, function( _i, hook ) {
			jQuery.cssHooks[ hook ] = {
				set: function( elem, value ) {
					var parsed, curElem,
						backgroundColor = "";

					if ( value !== "transparent" && ( getType( value ) !== "string" || ( parsed = stringParse( value ) ) ) ) {
						value = color( parsed || value );
						if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
							curElem = hook === "backgroundColor" ? elem.parentNode : elem;
							while (
								( backgroundColor === "" || backgroundColor === "transparent" ) &&
								curElem && curElem.style
								) {
								try {
									backgroundColor = jQuery.css( curElem, "backgroundColor" );
									curElem = curElem.parentNode;
								} catch ( e ) {
								}
							}

							value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
								backgroundColor :
								"_default" );
						}

						value = value.toRgbaString();
					}
					try {
						elem.style[ hook ] = value;
					} catch ( e ) {

						// wrapped to prevent IE from throwing errors on "invalid" values like 'auto' or 'inherit'
					}
				}
			};
			jQuery.fx.step[ hook ] = function( fx ) {
				if ( !fx.colorInit ) {
					fx.start = color( fx.elem, hook );
					fx.end = color( fx.end );
					fx.colorInit = true;
				}
				jQuery.cssHooks[ hook ].set( fx.elem, fx.start.transition( fx.end, fx.pos ) );
			};
		} );

	};

	color.hook( stepHooks );

	jQuery.cssHooks.borderColor = {
		expand: function( value ) {
			var expanded = {};

			each( [ "Top", "Right", "Bottom", "Left" ], function( _i, part ) {
				expanded[ "border" + part + "Color" ] = value;
			} );
			return expanded;
		}
	};

// Basic color names only.
// Usage of any of the other color names requires adding yourself or including
// jquery.color.svg-names.js.
	colors = jQuery.Color.names = {

		// 4.1. Basic color keywords
		aqua: "#00ffff",
		black: "#000000",
		blue: "#0000ff",
		fuchsia: "#ff00ff",
		gray: "#808080",
		green: "#008000",
		lime: "#00ff00",
		maroon: "#800000",
		navy: "#000080",
		olive: "#808000",
		purple: "#800080",
		red: "#ff0000",
		silver: "#c0c0c0",
		teal: "#008080",
		white: "#ffffff",
		yellow: "#ffff00",

		// 4.2.3. "transparent" color keyword
		transparent: [ null, null, null, 0 ],

		_default: "#ffffff"
	};


	/*!
 * jQuery UI Effects 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Effects Core
//>>group: Effects
	/* eslint-disable max-len */
//>>description: Extends the internal jQuery effects. Includes morphing and easing. Required by all other effects.
	/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/category/effects-core/
//>>demos: http://jqueryui.com/effect/


	var dataSpace = "ui-effects-",
		dataSpaceStyle = "ui-effects-style",
		dataSpaceAnimated = "ui-effects-animated";

	$.effects = {
		effect: {}
	};

	/******************************************************************************/
	/****************************** CLASS ANIMATIONS ******************************/
	/******************************************************************************/
	( function() {

		var classAnimationActions = [ "add", "remove", "toggle" ],
			shorthandStyles = {
				border: 1,
				borderBottom: 1,
				borderColor: 1,
				borderLeft: 1,
				borderRight: 1,
				borderTop: 1,
				borderWidth: 1,
				margin: 1,
				padding: 1
			};

		$.each(
			[ "borderLeftStyle", "borderRightStyle", "borderBottomStyle", "borderTopStyle" ],
			function( _, prop ) {
				$.fx.step[ prop ] = function( fx ) {
					if ( fx.end !== "none" && !fx.setAttr || fx.pos === 1 && !fx.setAttr ) {
						jQuery.style( fx.elem, prop, fx.end );
						fx.setAttr = true;
					}
				};
			}
		);

		function camelCase( string ) {
			return string.replace( /-([\da-z])/gi, function( all, letter ) {
				return letter.toUpperCase();
			} );
		}

		function getElementStyles( elem ) {
			var key, len,
				style = elem.ownerDocument.defaultView ?
					elem.ownerDocument.defaultView.getComputedStyle( elem, null ) :
					elem.currentStyle,
				styles = {};

			if ( style && style.length && style[ 0 ] && style[ style[ 0 ] ] ) {
				len = style.length;
				while ( len-- ) {
					key = style[ len ];
					if ( typeof style[ key ] === "string" ) {
						styles[ camelCase( key ) ] = style[ key ];
					}
				}

				// Support: Opera, IE <9
			} else {
				for ( key in style ) {
					if ( typeof style[ key ] === "string" ) {
						styles[ key ] = style[ key ];
					}
				}
			}

			return styles;
		}

		function styleDifference( oldStyle, newStyle ) {
			var diff = {},
				name, value;

			for ( name in newStyle ) {
				value = newStyle[ name ];
				if ( oldStyle[ name ] !== value ) {
					if ( !shorthandStyles[ name ] ) {
						if ( $.fx.step[ name ] || !isNaN( parseFloat( value ) ) ) {
							diff[ name ] = value;
						}
					}
				}
			}

			return diff;
		}

// Support: jQuery <1.8
		if ( !$.fn.addBack ) {
			$.fn.addBack = function( selector ) {
				return this.add( selector == null ?
					this.prevObject : this.prevObject.filter( selector )
				);
			};
		}

		$.effects.animateClass = function( value, duration, easing, callback ) {
			var o = $.speed( duration, easing, callback );

			return this.queue( function() {
				var animated = $( this ),
					baseClass = animated.attr( "class" ) || "",
					applyClassChange,
					allAnimations = o.children ? animated.find( "*" ).addBack() : animated;

				// Map the animated objects to store the original styles.
				allAnimations = allAnimations.map( function() {
					var el = $( this );
					return {
						el: el,
						start: getElementStyles( this )
					};
				} );

				// Apply class change
				applyClassChange = function() {
					$.each( classAnimationActions, function( i, action ) {
						if ( value[ action ] ) {
							animated[ action + "Class" ]( value[ action ] );
						}
					} );
				};
				applyClassChange();

				// Map all animated objects again - calculate new styles and diff
				allAnimations = allAnimations.map( function() {
					this.end = getElementStyles( this.el[ 0 ] );
					this.diff = styleDifference( this.start, this.end );
					return this;
				} );

				// Apply original class
				animated.attr( "class", baseClass );

				// Map all animated objects again - this time collecting a promise
				allAnimations = allAnimations.map( function() {
					var styleInfo = this,
						dfd = $.Deferred(),
						opts = $.extend( {}, o, {
							queue: false,
							complete: function() {
								dfd.resolve( styleInfo );
							}
						} );

					this.el.animate( this.diff, opts );
					return dfd.promise();
				} );

				// Once all animations have completed:
				$.when.apply( $, allAnimations.get() ).done( function() {

					// Set the final class
					applyClassChange();

					// For each animated element,
					// clear all css properties that were animated
					$.each( arguments, function() {
						var el = this.el;
						$.each( this.diff, function( key ) {
							el.css( key, "" );
						} );
					} );

					// This is guarnteed to be there if you use jQuery.speed()
					// it also handles dequeuing the next anim...
					o.complete.call( animated[ 0 ] );
				} );
			} );
		};

		$.fn.extend( {
			addClass: ( function( orig ) {
				return function( classNames, speed, easing, callback ) {
					return speed ?
						$.effects.animateClass.call( this,
							{ add: classNames }, speed, easing, callback ) :
						orig.apply( this, arguments );
				};
			} )( $.fn.addClass ),

			removeClass: ( function( orig ) {
				return function( classNames, speed, easing, callback ) {
					return arguments.length > 1 ?
						$.effects.animateClass.call( this,
							{ remove: classNames }, speed, easing, callback ) :
						orig.apply( this, arguments );
				};
			} )( $.fn.removeClass ),

			toggleClass: ( function( orig ) {
				return function( classNames, force, speed, easing, callback ) {
					if ( typeof force === "boolean" || force === undefined ) {
						if ( !speed ) {

							// Without speed parameter
							return orig.apply( this, arguments );
						} else {
							return $.effects.animateClass.call( this,
								( force ? { add: classNames } : { remove: classNames } ),
								speed, easing, callback );
						}
					} else {

						// Without force parameter
						return $.effects.animateClass.call( this,
							{ toggle: classNames }, force, speed, easing );
					}
				};
			} )( $.fn.toggleClass ),

			switchClass: function( remove, add, speed, easing, callback ) {
				return $.effects.animateClass.call( this, {
					add: add,
					remove: remove
				}, speed, easing, callback );
			}
		} );

	} )();

	/******************************************************************************/
	/*********************************** EFFECTS **********************************/
	/******************************************************************************/

	( function() {

		if ( $.expr && $.expr.pseudos && $.expr.pseudos.animated ) {
			$.expr.pseudos.animated = ( function( orig ) {
				return function( elem ) {
					return !!$( elem ).data( dataSpaceAnimated ) || orig( elem );
				};
			} )( $.expr.pseudos.animated );
		}

		if ( $.uiBackCompat !== false ) {
			$.extend( $.effects, {

				// Saves a set of properties in a data storage
				save: function( element, set ) {
					var i = 0, length = set.length;
					for ( ; i < length; i++ ) {
						if ( set[ i ] !== null ) {
							element.data( dataSpace + set[ i ], element[ 0 ].style[ set[ i ] ] );
						}
					}
				},

				// Restores a set of previously saved properties from a data storage
				restore: function( element, set ) {
					var val, i = 0, length = set.length;
					for ( ; i < length; i++ ) {
						if ( set[ i ] !== null ) {
							val = element.data( dataSpace + set[ i ] );
							element.css( set[ i ], val );
						}
					}
				},

				setMode: function( el, mode ) {
					if ( mode === "toggle" ) {
						mode = el.is( ":hidden" ) ? "show" : "hide";
					}
					return mode;
				},

				// Wraps the element around a wrapper that copies position properties
				createWrapper: function( element ) {

					// If the element is already wrapped, return it
					if ( element.parent().is( ".ui-effects-wrapper" ) ) {
						return element.parent();
					}

					// Wrap the element
					var props = {
							width: element.outerWidth( true ),
							height: element.outerHeight( true ),
							"float": element.css( "float" )
						},
						wrapper = $( "<div></div>" )
						.addClass( "ui-effects-wrapper" )
						.css( {
							fontSize: "100%",
							background: "transparent",
							border: "none",
							margin: 0,
							padding: 0
						} ),

						// Store the size in case width/height are defined in % - Fixes #5245
						size = {
							width: element.width(),
							height: element.height()
						},
						active = document.activeElement;

					// Support: Firefox
					// Firefox incorrectly exposes anonymous content
					// https://bugzilla.mozilla.org/show_bug.cgi?id=561664
					try {
						// eslint-disable-next-line no-unused-expressions
						active.id;
					} catch ( e ) {
						active = document.body;
					}

					element.wrap( wrapper );

					// Fixes #7595 - Elements lose focus when wrapped.
					if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
						$( active ).trigger( "focus" );
					}

					// Hotfix for jQuery 1.4 since some change in wrap() seems to actually
					// lose the reference to the wrapped element
					wrapper = element.parent();

					// Transfer positioning properties to the wrapper
					if ( element.css( "position" ) === "static" ) {
						wrapper.css( { position: "relative" } );
						element.css( { position: "relative" } );
					} else {
						$.extend( props, {
							position: element.css( "position" ),
							zIndex: element.css( "z-index" )
						} );
						$.each( [ "top", "left", "bottom", "right" ], function( i, pos ) {
							props[ pos ] = element.css( pos );
							if ( isNaN( parseInt( props[ pos ], 10 ) ) ) {
								props[ pos ] = "auto";
							}
						} );
						element.css( {
							position: "relative",
							top: 0,
							left: 0,
							right: "auto",
							bottom: "auto"
						} );
					}
					element.css( size );

					return wrapper.css( props ).show();
				},

				removeWrapper: function( element ) {
					var active = document.activeElement;

					if ( element.parent().is( ".ui-effects-wrapper" ) ) {
						element.parent().replaceWith( element );

						// Fixes #7595 - Elements lose focus when wrapped.
						if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
							$( active ).trigger( "focus" );
						}
					}

					return element;
				}
			} );
		}

		$.extend( $.effects, {
			version: "1.13.0",

			define: function( name, mode, effect ) {
				if ( !effect ) {
					effect = mode;
					mode = "effect";
				}

				$.effects.effect[ name ] = effect;
				$.effects.effect[ name ].mode = mode;

				return effect;
			},

			scaledDimensions: function( element, percent, direction ) {
				if ( percent === 0 ) {
					return {
						height: 0,
						width: 0,
						outerHeight: 0,
						outerWidth: 0
					};
				}

				var x = direction !== "horizontal" ? ( ( percent || 100 ) / 100 ) : 1,
					y = direction !== "vertical" ? ( ( percent || 100 ) / 100 ) : 1;

				return {
					height: element.height() * y,
					width: element.width() * x,
					outerHeight: element.outerHeight() * y,
					outerWidth: element.outerWidth() * x
				};

			},

			clipToBox: function( animation ) {
				return {
					width: animation.clip.right - animation.clip.left,
					height: animation.clip.bottom - animation.clip.top,
					left: animation.clip.left,
					top: animation.clip.top
				};
			},

			// Injects recently queued functions to be first in line (after "inprogress")
			unshift: function( element, queueLength, count ) {
				var queue = element.queue();

				if ( queueLength > 1 ) {
					queue.splice.apply( queue,
						[ 1, 0 ].concat( queue.splice( queueLength, count ) ) );
				}
				element.dequeue();
			},

			saveStyle: function( element ) {
				element.data( dataSpaceStyle, element[ 0 ].style.cssText );
			},

			restoreStyle: function( element ) {
				element[ 0 ].style.cssText = element.data( dataSpaceStyle ) || "";
				element.removeData( dataSpaceStyle );
			},

			mode: function( element, mode ) {
				var hidden = element.is( ":hidden" );

				if ( mode === "toggle" ) {
					mode = hidden ? "show" : "hide";
				}
				if ( hidden ? mode === "hide" : mode === "show" ) {
					mode = "none";
				}
				return mode;
			},

			// Translates a [top,left] array into a baseline value
			getBaseline: function( origin, original ) {
				var y, x;

				switch ( origin[ 0 ] ) {
					case "top":
						y = 0;
						break;
					case "middle":
						y = 0.5;
						break;
					case "bottom":
						y = 1;
						break;
					default:
						y = origin[ 0 ] / original.height;
				}

				switch ( origin[ 1 ] ) {
					case "left":
						x = 0;
						break;
					case "center":
						x = 0.5;
						break;
					case "right":
						x = 1;
						break;
					default:
						x = origin[ 1 ] / original.width;
				}

				return {
					x: x,
					y: y
				};
			},

			// Creates a placeholder element so that the original element can be made absolute
			createPlaceholder: function( element ) {
				var placeholder,
					cssPosition = element.css( "position" ),
					position = element.position();

				// Lock in margins first to account for form elements, which
				// will change margin if you explicitly set height
				// see: http://jsfiddle.net/JZSMt/3/ https://bugs.webkit.org/show_bug.cgi?id=107380
				// Support: Safari
				element.css( {
					marginTop: element.css( "marginTop" ),
					marginBottom: element.css( "marginBottom" ),
					marginLeft: element.css( "marginLeft" ),
					marginRight: element.css( "marginRight" )
				} )
				.outerWidth( element.outerWidth() )
				.outerHeight( element.outerHeight() );

				if ( /^(static|relative)/.test( cssPosition ) ) {
					cssPosition = "absolute";

					placeholder = $( "<" + element[ 0 ].nodeName + ">" ).insertAfter( element ).css( {

						// Convert inline to inline block to account for inline elements
						// that turn to inline block based on content (like img)
						display: /^(inline|ruby)/.test( element.css( "display" ) ) ?
							"inline-block" :
							"block",
						visibility: "hidden",

						// Margins need to be set to account for margin collapse
						marginTop: element.css( "marginTop" ),
						marginBottom: element.css( "marginBottom" ),
						marginLeft: element.css( "marginLeft" ),
						marginRight: element.css( "marginRight" ),
						"float": element.css( "float" )
					} )
					.outerWidth( element.outerWidth() )
					.outerHeight( element.outerHeight() )
					.addClass( "ui-effects-placeholder" );

					element.data( dataSpace + "placeholder", placeholder );
				}

				element.css( {
					position: cssPosition,
					left: position.left,
					top: position.top
				} );

				return placeholder;
			},

			removePlaceholder: function( element ) {
				var dataKey = dataSpace + "placeholder",
					placeholder = element.data( dataKey );

				if ( placeholder ) {
					placeholder.remove();
					element.removeData( dataKey );
				}
			},

			// Removes a placeholder if it exists and restores
			// properties that were modified during placeholder creation
			cleanUp: function( element ) {
				$.effects.restoreStyle( element );
				$.effects.removePlaceholder( element );
			},

			setTransition: function( element, list, factor, value ) {
				value = value || {};
				$.each( list, function( i, x ) {
					var unit = element.cssUnit( x );
					if ( unit[ 0 ] > 0 ) {
						value[ x ] = unit[ 0 ] * factor + unit[ 1 ];
					}
				} );
				return value;
			}
		} );

// Return an effect options object for the given parameters:
		function _normalizeArguments( effect, options, speed, callback ) {

			// Allow passing all options as the first parameter
			if ( $.isPlainObject( effect ) ) {
				options = effect;
				effect = effect.effect;
			}

			// Convert to an object
			effect = { effect: effect };

			// Catch (effect, null, ...)
			if ( options == null ) {
				options = {};
			}

			// Catch (effect, callback)
			if ( typeof options === "function" ) {
				callback = options;
				speed = null;
				options = {};
			}

			// Catch (effect, speed, ?)
			if ( typeof options === "number" || $.fx.speeds[ options ] ) {
				callback = speed;
				speed = options;
				options = {};
			}

			// Catch (effect, options, callback)
			if ( typeof speed === "function" ) {
				callback = speed;
				speed = null;
			}

			// Add options to effect
			if ( options ) {
				$.extend( effect, options );
			}

			speed = speed || options.duration;
			effect.duration = $.fx.off ? 0 :
				typeof speed === "number" ? speed :
					speed in $.fx.speeds ? $.fx.speeds[ speed ] :
						$.fx.speeds._default;

			effect.complete = callback || options.complete;

			return effect;
		}

		function standardAnimationOption( option ) {

			// Valid standard speeds (nothing, number, named speed)
			if ( !option || typeof option === "number" || $.fx.speeds[ option ] ) {
				return true;
			}

			// Invalid strings - treat as "normal" speed
			if ( typeof option === "string" && !$.effects.effect[ option ] ) {
				return true;
			}

			// Complete callback
			if ( typeof option === "function" ) {
				return true;
			}

			// Options hash (but not naming an effect)
			if ( typeof option === "object" && !option.effect ) {
				return true;
			}

			// Didn't match any standard API
			return false;
		}

		$.fn.extend( {
			effect: function( /* effect, options, speed, callback */ ) {
				var args = _normalizeArguments.apply( this, arguments ),
					effectMethod = $.effects.effect[ args.effect ],
					defaultMode = effectMethod.mode,
					queue = args.queue,
					queueName = queue || "fx",
					complete = args.complete,
					mode = args.mode,
					modes = [],
					prefilter = function( next ) {
						var el = $( this ),
							normalizedMode = $.effects.mode( el, mode ) || defaultMode;

						// Sentinel for duck-punching the :animated pseudo-selector
						el.data( dataSpaceAnimated, true );

						// Save effect mode for later use,
						// we can't just call $.effects.mode again later,
						// as the .show() below destroys the initial state
						modes.push( normalizedMode );

						// See $.uiBackCompat inside of run() for removal of defaultMode in 1.14
						if ( defaultMode && ( normalizedMode === "show" ||
							( normalizedMode === defaultMode && normalizedMode === "hide" ) ) ) {
							el.show();
						}

						if ( !defaultMode || normalizedMode !== "none" ) {
							$.effects.saveStyle( el );
						}

						if ( typeof next === "function" ) {
							next();
						}
					};

				if ( $.fx.off || !effectMethod ) {

					// Delegate to the original method (e.g., .show()) if possible
					if ( mode ) {
						return this[ mode ]( args.duration, complete );
					} else {
						return this.each( function() {
							if ( complete ) {
								complete.call( this );
							}
						} );
					}
				}

				function run( next ) {
					var elem = $( this );

					function cleanup() {
						elem.removeData( dataSpaceAnimated );

						$.effects.cleanUp( elem );

						if ( args.mode === "hide" ) {
							elem.hide();
						}

						done();
					}

					function done() {
						if ( typeof complete === "function" ) {
							complete.call( elem[ 0 ] );
						}

						if ( typeof next === "function" ) {
							next();
						}
					}

					// Override mode option on a per element basis,
					// as toggle can be either show or hide depending on element state
					args.mode = modes.shift();

					if ( $.uiBackCompat !== false && !defaultMode ) {
						if ( elem.is( ":hidden" ) ? mode === "hide" : mode === "show" ) {

							// Call the core method to track "olddisplay" properly
							elem[ mode ]();
							done();
						} else {
							effectMethod.call( elem[ 0 ], args, done );
						}
					} else {
						if ( args.mode === "none" ) {

							// Call the core method to track "olddisplay" properly
							elem[ mode ]();
							done();
						} else {
							effectMethod.call( elem[ 0 ], args, cleanup );
						}
					}
				}

				// Run prefilter on all elements first to ensure that
				// any showing or hiding happens before placeholder creation,
				// which ensures that any layout changes are correctly captured.
				return queue === false ?
					this.each( prefilter ).each( run ) :
					this.queue( queueName, prefilter ).queue( queueName, run );
			},

			show: ( function( orig ) {
				return function( option ) {
					if ( standardAnimationOption( option ) ) {
						return orig.apply( this, arguments );
					} else {
						var args = _normalizeArguments.apply( this, arguments );
						args.mode = "show";
						return this.effect.call( this, args );
					}
				};
			} )( $.fn.show ),

			hide: ( function( orig ) {
				return function( option ) {
					if ( standardAnimationOption( option ) ) {
						return orig.apply( this, arguments );
					} else {
						var args = _normalizeArguments.apply( this, arguments );
						args.mode = "hide";
						return this.effect.call( this, args );
					}
				};
			} )( $.fn.hide ),

			toggle: ( function( orig ) {
				return function( option ) {
					if ( standardAnimationOption( option ) || typeof option === "boolean" ) {
						return orig.apply( this, arguments );
					} else {
						var args = _normalizeArguments.apply( this, arguments );
						args.mode = "toggle";
						return this.effect.call( this, args );
					}
				};
			} )( $.fn.toggle ),

			cssUnit: function( key ) {
				var style = this.css( key ),
					val = [];

				$.each( [ "em", "px", "%", "pt" ], function( i, unit ) {
					if ( style.indexOf( unit ) > 0 ) {
						val = [ parseFloat( style ), unit ];
					}
				} );
				return val;
			},

			cssClip: function( clipObj ) {
				if ( clipObj ) {
					return this.css( "clip", "rect(" + clipObj.top + "px " + clipObj.right + "px " +
						clipObj.bottom + "px " + clipObj.left + "px)" );
				}
				return parseClip( this.css( "clip" ), this );
			},

			transfer: function( options, done ) {
				var element = $( this ),
					target = $( options.to ),
					targetFixed = target.css( "position" ) === "fixed",
					body = $( "body" ),
					fixTop = targetFixed ? body.scrollTop() : 0,
					fixLeft = targetFixed ? body.scrollLeft() : 0,
					endPosition = target.offset(),
					animation = {
						top: endPosition.top - fixTop,
						left: endPosition.left - fixLeft,
						height: target.innerHeight(),
						width: target.innerWidth()
					},
					startPosition = element.offset(),
					transfer = $( "<div class='ui-effects-transfer'></div>" );

				transfer
				.appendTo( "body" )
				.addClass( options.className )
				.css( {
					top: startPosition.top - fixTop,
					left: startPosition.left - fixLeft,
					height: element.innerHeight(),
					width: element.innerWidth(),
					position: targetFixed ? "fixed" : "absolute"
				} )
				.animate( animation, options.duration, options.easing, function() {
					transfer.remove();
					if ( typeof done === "function" ) {
						done();
					}
				} );
			}
		} );

		function parseClip( str, element ) {
			var outerWidth = element.outerWidth(),
				outerHeight = element.outerHeight(),
				clipRegex = /^rect\((-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto)\)$/,
				values = clipRegex.exec( str ) || [ "", 0, outerWidth, outerHeight, 0 ];

			return {
				top: parseFloat( values[ 1 ] ) || 0,
				right: values[ 2 ] === "auto" ? outerWidth : parseFloat( values[ 2 ] ),
				bottom: values[ 3 ] === "auto" ? outerHeight : parseFloat( values[ 3 ] ),
				left: parseFloat( values[ 4 ] ) || 0
			};
		}

		$.fx.step.clip = function( fx ) {
			if ( !fx.clipInit ) {
				fx.start = $( fx.elem ).cssClip();
				if ( typeof fx.end === "string" ) {
					fx.end = parseClip( fx.end, fx.elem );
				}
				fx.clipInit = true;
			}

			$( fx.elem ).cssClip( {
				top: fx.pos * ( fx.end.top - fx.start.top ) + fx.start.top,
				right: fx.pos * ( fx.end.right - fx.start.right ) + fx.start.right,
				bottom: fx.pos * ( fx.end.bottom - fx.start.bottom ) + fx.start.bottom,
				left: fx.pos * ( fx.end.left - fx.start.left ) + fx.start.left
			} );
		};

	} )();

	/******************************************************************************/
	/*********************************** EASING ***********************************/
	/******************************************************************************/

	( function() {

// Based on easing equations from Robert Penner (http://www.robertpenner.com/easing)

		var baseEasings = {};

		$.each( [ "Quad", "Cubic", "Quart", "Quint", "Expo" ], function( i, name ) {
			baseEasings[ name ] = function( p ) {
				return Math.pow( p, i + 2 );
			};
		} );

		$.extend( baseEasings, {
			Sine: function( p ) {
				return 1 - Math.cos( p * Math.PI / 2 );
			},
			Circ: function( p ) {
				return 1 - Math.sqrt( 1 - p * p );
			},
			Elastic: function( p ) {
				return p === 0 || p === 1 ? p :
					-Math.pow( 2, 8 * ( p - 1 ) ) * Math.sin( ( ( p - 1 ) * 80 - 7.5 ) * Math.PI / 15 );
			},
			Back: function( p ) {
				return p * p * ( 3 * p - 2 );
			},
			Bounce: function( p ) {
				var pow2,
					bounce = 4;

				while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
				return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
			}
		} );

		$.each( baseEasings, function( name, easeIn ) {
			$.easing[ "easeIn" + name ] = easeIn;
			$.easing[ "easeOut" + name ] = function( p ) {
				return 1 - easeIn( 1 - p );
			};
			$.easing[ "easeInOut" + name ] = function( p ) {
				return p < 0.5 ?
					easeIn( p * 2 ) / 2 :
					1 - easeIn( p * -2 + 2 ) / 2;
			};
		} );

	} )();

	var effect = $.effects;


	/*!
 * jQuery UI Effects Blind 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Blind Effect
//>>group: Effects
//>>description: Blinds the element.
//>>docs: http://api.jqueryui.com/blind-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectBlind = $.effects.define( "blind", "hide", function( options, done ) {
		var map = {
				up: [ "bottom", "top" ],
				vertical: [ "bottom", "top" ],
				down: [ "top", "bottom" ],
				left: [ "right", "left" ],
				horizontal: [ "right", "left" ],
				right: [ "left", "right" ]
			},
			element = $( this ),
			direction = options.direction || "up",
			start = element.cssClip(),
			animate = { clip: $.extend( {}, start ) },
			placeholder = $.effects.createPlaceholder( element );

		animate.clip[ map[ direction ][ 0 ] ] = animate.clip[ map[ direction ][ 1 ] ];

		if ( options.mode === "show" ) {
			element.cssClip( animate.clip );
			if ( placeholder ) {
				placeholder.css( $.effects.clipToBox( animate ) );
			}

			animate.clip = start;
		}

		if ( placeholder ) {
			placeholder.animate( $.effects.clipToBox( animate ), options.duration, options.easing );
		}

		element.animate( animate, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: done
		} );
	} );


	/*!
 * jQuery UI Effects Bounce 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Bounce Effect
//>>group: Effects
//>>description: Bounces an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/bounce-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectBounce = $.effects.define( "bounce", function( options, done ) {
		var upAnim, downAnim, refValue,
			element = $( this ),

			// Defaults:
			mode = options.mode,
			hide = mode === "hide",
			show = mode === "show",
			direction = options.direction || "up",
			distance = options.distance,
			times = options.times || 5,

			// Number of internal animations
			anims = times * 2 + ( show || hide ? 1 : 0 ),
			speed = options.duration / anims,
			easing = options.easing,

			// Utility:
			ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
			motion = ( direction === "up" || direction === "left" ),
			i = 0,

			queuelen = element.queue().length;

		$.effects.createPlaceholder( element );

		refValue = element.css( ref );

		// Default distance for the BIGGEST bounce is the outer Distance / 3
		if ( !distance ) {
			distance = element[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
		}

		if ( show ) {
			downAnim = { opacity: 1 };
			downAnim[ ref ] = refValue;

			// If we are showing, force opacity 0 and set the initial position
			// then do the "first" animation
			element
			.css( "opacity", 0 )
			.css( ref, motion ? -distance * 2 : distance * 2 )
			.animate( downAnim, speed, easing );
		}

		// Start at the smallest distance if we are hiding
		if ( hide ) {
			distance = distance / Math.pow( 2, times - 1 );
		}

		downAnim = {};
		downAnim[ ref ] = refValue;

		// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
		for ( ; i < times; i++ ) {
			upAnim = {};
			upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

			element
			.animate( upAnim, speed, easing )
			.animate( downAnim, speed, easing );

			distance = hide ? distance * 2 : distance / 2;
		}

		// Last Bounce when Hiding
		if ( hide ) {
			upAnim = { opacity: 0 };
			upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

			element.animate( upAnim, speed, easing );
		}

		element.queue( done );

		$.effects.unshift( element, queuelen, anims + 1 );
	} );


	/*!
 * jQuery UI Effects Clip 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Clip Effect
//>>group: Effects
//>>description: Clips the element on and off like an old TV.
//>>docs: http://api.jqueryui.com/clip-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectClip = $.effects.define( "clip", "hide", function( options, done ) {
		var start,
			animate = {},
			element = $( this ),
			direction = options.direction || "vertical",
			both = direction === "both",
			horizontal = both || direction === "horizontal",
			vertical = both || direction === "vertical";

		start = element.cssClip();
		animate.clip = {
			top: vertical ? ( start.bottom - start.top ) / 2 : start.top,
			right: horizontal ? ( start.right - start.left ) / 2 : start.right,
			bottom: vertical ? ( start.bottom - start.top ) / 2 : start.bottom,
			left: horizontal ? ( start.right - start.left ) / 2 : start.left
		};

		$.effects.createPlaceholder( element );

		if ( options.mode === "show" ) {
			element.cssClip( animate.clip );
			animate.clip = start;
		}

		element.animate( animate, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: done
		} );

	} );


	/*!
 * jQuery UI Effects Drop 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Drop Effect
//>>group: Effects
//>>description: Moves an element in one direction and hides it at the same time.
//>>docs: http://api.jqueryui.com/drop-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectDrop = $.effects.define( "drop", "hide", function( options, done ) {

		var distance,
			element = $( this ),
			mode = options.mode,
			show = mode === "show",
			direction = options.direction || "left",
			ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
			motion = ( direction === "up" || direction === "left" ) ? "-=" : "+=",
			oppositeMotion = ( motion === "+=" ) ? "-=" : "+=",
			animation = {
				opacity: 0
			};

		$.effects.createPlaceholder( element );

		distance = options.distance ||
			element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ) / 2;

		animation[ ref ] = motion + distance;

		if ( show ) {
			element.css( animation );

			animation[ ref ] = oppositeMotion + distance;
			animation.opacity = 1;
		}

		// Animate
		element.animate( animation, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: done
		} );
	} );


	/*!
 * jQuery UI Effects Explode 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Explode Effect
//>>group: Effects
	/* eslint-disable max-len */
//>>description: Explodes an element in all directions into n pieces. Implodes an element to its original wholeness.
	/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/explode-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectExplode = $.effects.define( "explode", "hide", function( options, done ) {

		var i, j, left, top, mx, my,
			rows = options.pieces ? Math.round( Math.sqrt( options.pieces ) ) : 3,
			cells = rows,
			element = $( this ),
			mode = options.mode,
			show = mode === "show",

			// Show and then visibility:hidden the element before calculating offset
			offset = element.show().css( "visibility", "hidden" ).offset(),

			// Width and height of a piece
			width = Math.ceil( element.outerWidth() / cells ),
			height = Math.ceil( element.outerHeight() / rows ),
			pieces = [];

		// Children animate complete:
		function childComplete() {
			pieces.push( this );
			if ( pieces.length === rows * cells ) {
				animComplete();
			}
		}

		// Clone the element for each row and cell.
		for ( i = 0; i < rows; i++ ) { // ===>
			top = offset.top + i * height;
			my = i - ( rows - 1 ) / 2;

			for ( j = 0; j < cells; j++ ) { // |||
				left = offset.left + j * width;
				mx = j - ( cells - 1 ) / 2;

				// Create a clone of the now hidden main element that will be absolute positioned
				// within a wrapper div off the -left and -top equal to size of our pieces
				element
				.clone()
				.appendTo( "body" )
				.wrap( "<div></div>" )
				.css( {
					position: "absolute",
					visibility: "visible",
					left: -j * width,
					top: -i * height
				} )

				// Select the wrapper - make it overflow: hidden and absolute positioned based on
				// where the original was located +left and +top equal to the size of pieces
				.parent()
				.addClass( "ui-effects-explode" )
				.css( {
					position: "absolute",
					overflow: "hidden",
					width: width,
					height: height,
					left: left + ( show ? mx * width : 0 ),
					top: top + ( show ? my * height : 0 ),
					opacity: show ? 0 : 1
				} )
				.animate( {
					left: left + ( show ? 0 : mx * width ),
					top: top + ( show ? 0 : my * height ),
					opacity: show ? 1 : 0
				}, options.duration || 500, options.easing, childComplete );
			}
		}

		function animComplete() {
			element.css( {
				visibility: "visible"
			} );
			$( pieces ).remove();
			done();
		}
	} );


	/*!
 * jQuery UI Effects Fade 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Fade Effect
//>>group: Effects
//>>description: Fades the element.
//>>docs: http://api.jqueryui.com/fade-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectFade = $.effects.define( "fade", "toggle", function( options, done ) {
		var show = options.mode === "show";

		$( this )
		.css( "opacity", show ? 0 : 1 )
		.animate( {
			opacity: show ? 1 : 0
		}, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: done
		} );
	} );


	/*!
 * jQuery UI Effects Fold 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Fold Effect
//>>group: Effects
//>>description: Folds an element first horizontally and then vertically.
//>>docs: http://api.jqueryui.com/fold-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectFold = $.effects.define( "fold", "hide", function( options, done ) {

		// Create element
		var element = $( this ),
			mode = options.mode,
			show = mode === "show",
			hide = mode === "hide",
			size = options.size || 15,
			percent = /([0-9]+)%/.exec( size ),
			horizFirst = !!options.horizFirst,
			ref = horizFirst ? [ "right", "bottom" ] : [ "bottom", "right" ],
			duration = options.duration / 2,

			placeholder = $.effects.createPlaceholder( element ),

			start = element.cssClip(),
			animation1 = { clip: $.extend( {}, start ) },
			animation2 = { clip: $.extend( {}, start ) },

			distance = [ start[ ref[ 0 ] ], start[ ref[ 1 ] ] ],

			queuelen = element.queue().length;

		if ( percent ) {
			size = parseInt( percent[ 1 ], 10 ) / 100 * distance[ hide ? 0 : 1 ];
		}
		animation1.clip[ ref[ 0 ] ] = size;
		animation2.clip[ ref[ 0 ] ] = size;
		animation2.clip[ ref[ 1 ] ] = 0;

		if ( show ) {
			element.cssClip( animation2.clip );
			if ( placeholder ) {
				placeholder.css( $.effects.clipToBox( animation2 ) );
			}

			animation2.clip = start;
		}

		// Animate
		element
		.queue( function( next ) {
			if ( placeholder ) {
				placeholder
				.animate( $.effects.clipToBox( animation1 ), duration, options.easing )
				.animate( $.effects.clipToBox( animation2 ), duration, options.easing );
			}

			next();
		} )
		.animate( animation1, duration, options.easing )
		.animate( animation2, duration, options.easing )
		.queue( done );

		$.effects.unshift( element, queuelen, 4 );
	} );


	/*!
 * jQuery UI Effects Highlight 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Highlight Effect
//>>group: Effects
//>>description: Highlights the background of an element in a defined color for a custom duration.
//>>docs: http://api.jqueryui.com/highlight-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectHighlight = $.effects.define( "highlight", "show", function( options, done ) {
		var element = $( this ),
			animation = {
				backgroundColor: element.css( "backgroundColor" )
			};

		if ( options.mode === "hide" ) {
			animation.opacity = 0;
		}

		$.effects.saveStyle( element );

		element
		.css( {
			backgroundImage: "none",
			backgroundColor: options.color || "#ffff99"
		} )
		.animate( animation, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: done
		} );
	} );


	/*!
 * jQuery UI Effects Size 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Size Effect
//>>group: Effects
//>>description: Resize an element to a specified width and height.
//>>docs: http://api.jqueryui.com/size-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectSize = $.effects.define( "size", function( options, done ) {

		// Create element
		var baseline, factor, temp,
			element = $( this ),

			// Copy for children
			cProps = [ "fontSize" ],
			vProps = [ "borderTopWidth", "borderBottomWidth", "paddingTop", "paddingBottom" ],
			hProps = [ "borderLeftWidth", "borderRightWidth", "paddingLeft", "paddingRight" ],

			// Set options
			mode = options.mode,
			restore = mode !== "effect",
			scale = options.scale || "both",
			origin = options.origin || [ "middle", "center" ],
			position = element.css( "position" ),
			pos = element.position(),
			original = $.effects.scaledDimensions( element ),
			from = options.from || original,
			to = options.to || $.effects.scaledDimensions( element, 0 );

		$.effects.createPlaceholder( element );

		if ( mode === "show" ) {
			temp = from;
			from = to;
			to = temp;
		}

		// Set scaling factor
		factor = {
			from: {
				y: from.height / original.height,
				x: from.width / original.width
			},
			to: {
				y: to.height / original.height,
				x: to.width / original.width
			}
		};

		// Scale the css box
		if ( scale === "box" || scale === "both" ) {

			// Vertical props scaling
			if ( factor.from.y !== factor.to.y ) {
				from = $.effects.setTransition( element, vProps, factor.from.y, from );
				to = $.effects.setTransition( element, vProps, factor.to.y, to );
			}

			// Horizontal props scaling
			if ( factor.from.x !== factor.to.x ) {
				from = $.effects.setTransition( element, hProps, factor.from.x, from );
				to = $.effects.setTransition( element, hProps, factor.to.x, to );
			}
		}

		// Scale the content
		if ( scale === "content" || scale === "both" ) {

			// Vertical props scaling
			if ( factor.from.y !== factor.to.y ) {
				from = $.effects.setTransition( element, cProps, factor.from.y, from );
				to = $.effects.setTransition( element, cProps, factor.to.y, to );
			}
		}

		// Adjust the position properties based on the provided origin points
		if ( origin ) {
			baseline = $.effects.getBaseline( origin, original );
			from.top = ( original.outerHeight - from.outerHeight ) * baseline.y + pos.top;
			from.left = ( original.outerWidth - from.outerWidth ) * baseline.x + pos.left;
			to.top = ( original.outerHeight - to.outerHeight ) * baseline.y + pos.top;
			to.left = ( original.outerWidth - to.outerWidth ) * baseline.x + pos.left;
		}
		delete from.outerHeight;
		delete from.outerWidth;
		element.css( from );

		// Animate the children if desired
		if ( scale === "content" || scale === "both" ) {

			vProps = vProps.concat( [ "marginTop", "marginBottom" ] ).concat( cProps );
			hProps = hProps.concat( [ "marginLeft", "marginRight" ] );

			// Only animate children with width attributes specified
			// TODO: is this right? should we include anything with css width specified as well
			element.find( "*[width]" ).each( function() {
				var child = $( this ),
					childOriginal = $.effects.scaledDimensions( child ),
					childFrom = {
						height: childOriginal.height * factor.from.y,
						width: childOriginal.width * factor.from.x,
						outerHeight: childOriginal.outerHeight * factor.from.y,
						outerWidth: childOriginal.outerWidth * factor.from.x
					},
					childTo = {
						height: childOriginal.height * factor.to.y,
						width: childOriginal.width * factor.to.x,
						outerHeight: childOriginal.height * factor.to.y,
						outerWidth: childOriginal.width * factor.to.x
					};

				// Vertical props scaling
				if ( factor.from.y !== factor.to.y ) {
					childFrom = $.effects.setTransition( child, vProps, factor.from.y, childFrom );
					childTo = $.effects.setTransition( child, vProps, factor.to.y, childTo );
				}

				// Horizontal props scaling
				if ( factor.from.x !== factor.to.x ) {
					childFrom = $.effects.setTransition( child, hProps, factor.from.x, childFrom );
					childTo = $.effects.setTransition( child, hProps, factor.to.x, childTo );
				}

				if ( restore ) {
					$.effects.saveStyle( child );
				}

				// Animate children
				child.css( childFrom );
				child.animate( childTo, options.duration, options.easing, function() {

					// Restore children
					if ( restore ) {
						$.effects.restoreStyle( child );
					}
				} );
			} );
		}

		// Animate
		element.animate( to, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: function() {

				var offset = element.offset();

				if ( to.opacity === 0 ) {
					element.css( "opacity", from.opacity );
				}

				if ( !restore ) {
					element
					.css( "position", position === "static" ? "relative" : position )
					.offset( offset );

					// Need to save style here so that automatic style restoration
					// doesn't restore to the original styles from before the animation.
					$.effects.saveStyle( element );
				}

				done();
			}
		} );

	} );


	/*!
 * jQuery UI Effects Scale 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Scale Effect
//>>group: Effects
//>>description: Grows or shrinks an element and its content.
//>>docs: http://api.jqueryui.com/scale-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectScale = $.effects.define( "scale", function( options, done ) {

		// Create element
		var el = $( this ),
			mode = options.mode,
			percent = parseInt( options.percent, 10 ) ||
				( parseInt( options.percent, 10 ) === 0 ? 0 : ( mode !== "effect" ? 0 : 100 ) ),

			newOptions = $.extend( true, {
				from: $.effects.scaledDimensions( el ),
				to: $.effects.scaledDimensions( el, percent, options.direction || "both" ),
				origin: options.origin || [ "middle", "center" ]
			}, options );

		// Fade option to support puff
		if ( options.fade ) {
			newOptions.from.opacity = 1;
			newOptions.to.opacity = 0;
		}

		$.effects.effect.size.call( this, newOptions, done );
	} );


	/*!
 * jQuery UI Effects Puff 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Puff Effect
//>>group: Effects
//>>description: Creates a puff effect by scaling the element up and hiding it at the same time.
//>>docs: http://api.jqueryui.com/puff-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectPuff = $.effects.define( "puff", "hide", function( options, done ) {
		var newOptions = $.extend( true, {}, options, {
			fade: true,
			percent: parseInt( options.percent, 10 ) || 150
		} );

		$.effects.effect.scale.call( this, newOptions, done );
	} );


	/*!
 * jQuery UI Effects Pulsate 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Pulsate Effect
//>>group: Effects
//>>description: Pulsates an element n times by changing the opacity to zero and back.
//>>docs: http://api.jqueryui.com/pulsate-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectPulsate = $.effects.define( "pulsate", "show", function( options, done ) {
		var element = $( this ),
			mode = options.mode,
			show = mode === "show",
			hide = mode === "hide",
			showhide = show || hide,

			// Showing or hiding leaves off the "last" animation
			anims = ( ( options.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
			duration = options.duration / anims,
			animateTo = 0,
			i = 1,
			queuelen = element.queue().length;

		if ( show || !element.is( ":visible" ) ) {
			element.css( "opacity", 0 ).show();
			animateTo = 1;
		}

		// Anims - 1 opacity "toggles"
		for ( ; i < anims; i++ ) {
			element.animate( { opacity: animateTo }, duration, options.easing );
			animateTo = 1 - animateTo;
		}

		element.animate( { opacity: animateTo }, duration, options.easing );

		element.queue( done );

		$.effects.unshift( element, queuelen, anims + 1 );
	} );


	/*!
 * jQuery UI Effects Shake 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Shake Effect
//>>group: Effects
//>>description: Shakes an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/shake-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectShake = $.effects.define( "shake", function( options, done ) {

		var i = 1,
			element = $( this ),
			direction = options.direction || "left",
			distance = options.distance || 20,
			times = options.times || 3,
			anims = times * 2 + 1,
			speed = Math.round( options.duration / anims ),
			ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
			positiveMotion = ( direction === "up" || direction === "left" ),
			animation = {},
			animation1 = {},
			animation2 = {},

			queuelen = element.queue().length;

		$.effects.createPlaceholder( element );

		// Animation
		animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
		animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
		animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;

		// Animate
		element.animate( animation, speed, options.easing );

		// Shakes
		for ( ; i < times; i++ ) {
			element
			.animate( animation1, speed, options.easing )
			.animate( animation2, speed, options.easing );
		}

		element
		.animate( animation1, speed, options.easing )
		.animate( animation, speed / 2, options.easing )
		.queue( done );

		$.effects.unshift( element, queuelen, anims + 1 );
	} );


	/*!
 * jQuery UI Effects Slide 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Slide Effect
//>>group: Effects
//>>description: Slides an element in and out of the viewport.
//>>docs: http://api.jqueryui.com/slide-effect/
//>>demos: http://jqueryui.com/effect/


	var effectsEffectSlide = $.effects.define( "slide", "show", function( options, done ) {
		var startClip, startRef,
			element = $( this ),
			map = {
				up: [ "bottom", "top" ],
				down: [ "top", "bottom" ],
				left: [ "right", "left" ],
				right: [ "left", "right" ]
			},
			mode = options.mode,
			direction = options.direction || "left",
			ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
			positiveMotion = ( direction === "up" || direction === "left" ),
			distance = options.distance ||
				element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ),
			animation = {};

		$.effects.createPlaceholder( element );

		startClip = element.cssClip();
		startRef = element.position()[ ref ];

		// Define hide animation
		animation[ ref ] = ( positiveMotion ? -1 : 1 ) * distance + startRef;
		animation.clip = element.cssClip();
		animation.clip[ map[ direction ][ 1 ] ] = animation.clip[ map[ direction ][ 0 ] ];

		// Reverse the animation if we're showing
		if ( mode === "show" ) {
			element.cssClip( animation.clip );
			element.css( ref, animation[ ref ] );
			animation.clip = startClip;
			animation[ ref ] = startRef;
		}

		// Actually animate
		element.animate( animation, {
			queue: false,
			duration: options.duration,
			easing: options.easing,
			complete: done
		} );
	} );


	/*!
 * jQuery UI Effects Transfer 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Transfer Effect
//>>group: Effects
//>>description: Displays a transfer effect from one element to another.
//>>docs: http://api.jqueryui.com/transfer-effect/
//>>demos: http://jqueryui.com/effect/


	var effect;
	if ( $.uiBackCompat !== false ) {
		effect = $.effects.define( "transfer", function( options, done ) {
			$( this ).transfer( options, done );
		} );
	}
	var effectsEffectTransfer = effect;


	/*!
 * jQuery UI Focusable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: :focusable Selector
//>>group: Core
//>>description: Selects elements which can be focused.
//>>docs: http://api.jqueryui.com/focusable-selector/


// Selectors
	$.ui.focusable = function( element, hasTabindex ) {
		var map, mapName, img, focusableIfVisible, fieldset,
			nodeName = element.nodeName.toLowerCase();

		if ( "area" === nodeName ) {
			map = element.parentNode;
			mapName = map.name;
			if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
				return false;
			}
			img = $( "img[usemap='#" + mapName + "']" );
			return img.length > 0 && img.is( ":visible" );
		}

		if ( /^(input|select|textarea|button|object)$/.test( nodeName ) ) {
			focusableIfVisible = !element.disabled;

			if ( focusableIfVisible ) {

				// Form controls within a disabled fieldset are disabled.
				// However, controls within the fieldset's legend do not get disabled.
				// Since controls generally aren't placed inside legends, we skip
				// this portion of the check.
				fieldset = $( element ).closest( "fieldset" )[ 0 ];
				if ( fieldset ) {
					focusableIfVisible = !fieldset.disabled;
				}
			}
		} else if ( "a" === nodeName ) {
			focusableIfVisible = element.href || hasTabindex;
		} else {
			focusableIfVisible = hasTabindex;
		}

		return focusableIfVisible && $( element ).is( ":visible" ) && visible( $( element ) );
	};

// Support: IE 8 only
// IE 8 doesn't resolve inherit to visible/hidden for computed values
	function visible( element ) {
		var visibility = element.css( "visibility" );
		while ( visibility === "inherit" ) {
			element = element.parent();
			visibility = element.css( "visibility" );
		}
		return visibility === "visible";
	}

	$.extend( $.expr.pseudos, {
		focusable: function( element ) {
			return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
		}
	} );

	var focusable = $.ui.focusable;



// Support: IE8 Only
// IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
// with a string, so we need to find the proper form.
	var form = $.fn._form = function() {
		return typeof this[ 0 ].form === "string" ? this.closest( "form" ) : $( this[ 0 ].form );
	};


	/*!
 * jQuery UI Form Reset Mixin 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Form Reset Mixin
//>>group: Core
//>>description: Refresh input widgets when their form is reset
//>>docs: http://api.jqueryui.com/form-reset-mixin/


	var formResetMixin = $.ui.formResetMixin = {
		_formResetHandler: function() {
			var form = $( this );

			// Wait for the form reset to actually happen before refreshing
			setTimeout( function() {
				var instances = form.data( "ui-form-reset-instances" );
				$.each( instances, function() {
					this.refresh();
				} );
			} );
		},

		_bindFormResetHandler: function() {
			this.form = this.element._form();
			if ( !this.form.length ) {
				return;
			}

			var instances = this.form.data( "ui-form-reset-instances" ) || [];
			if ( !instances.length ) {

				// We don't use _on() here because we use a single event handler per form
				this.form.on( "reset.ui-form-reset", this._formResetHandler );
			}
			instances.push( this );
			this.form.data( "ui-form-reset-instances", instances );
		},

		_unbindFormResetHandler: function() {
			if ( !this.form.length ) {
				return;
			}

			var instances = this.form.data( "ui-form-reset-instances" );
			instances.splice( $.inArray( this, instances ), 1 );
			if ( instances.length ) {
				this.form.data( "ui-form-reset-instances", instances );
			} else {
				this.form
				.removeData( "ui-form-reset-instances" )
				.off( "reset.ui-form-reset" );
			}
		}
	};


	/*!
 * jQuery UI Support for jQuery core 1.8.x and newer 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 */

//>>label: jQuery 1.8+ Support
//>>group: Core
//>>description: Support version 1.8.x and newer of jQuery core


// Support: jQuery 1.9.x or older
// $.expr[ ":" ] is deprecated.
	if ( !$.expr.pseudos ) {
		$.expr.pseudos = $.expr[ ":" ];
	}

// Support: jQuery 1.11.x or older
// $.unique has been renamed to $.uniqueSort
	if ( !$.uniqueSort ) {
		$.uniqueSort = $.unique;
	}

// Support: jQuery 2.2.x or older.
// This method has been defined in jQuery 3.0.0.
// Code from https://github.com/jquery/jquery/blob/e539bac79e666bba95bba86d690b4e609dca2286/src/selector/escapeSelector.js
	if ( !$.escapeSelector ) {

		// CSS string/identifier serialization
		// https://drafts.csswg.org/cssom/#common-serializing-idioms
		var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;

		var fcssescape = function( ch, asCodePoint ) {
			if ( asCodePoint ) {

				// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
				if ( ch === "\0" ) {
					return "\uFFFD";
				}

				// Control characters and (dependent upon position) numbers get escaped as code points
				return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
			}

			// Other potentially-special ASCII characters get backslash-escaped
			return "\\" + ch;
		};

		$.escapeSelector = function( sel ) {
			return ( sel + "" ).replace( rcssescape, fcssescape );
		};
	}

// Support: jQuery 3.4.x or older
// These methods have been defined in jQuery 3.5.0.
	if ( !$.fn.even || !$.fn.odd ) {
		$.fn.extend( {
			even: function() {
				return this.filter( function( i ) {
					return i % 2 === 0;
				} );
			},
			odd: function() {
				return this.filter( function( i ) {
					return i % 2 === 1;
				} );
			}
		} );
	}

	;
	/*!
 * jQuery UI Keycode 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Keycode
//>>group: Core
//>>description: Provide keycodes as keynames
//>>docs: http://api.jqueryui.com/jQuery.ui.keyCode/


	var keycode = $.ui.keyCode = {
		BACKSPACE: 8,
		COMMA: 188,
		DELETE: 46,
		DOWN: 40,
		END: 35,
		ENTER: 13,
		ESCAPE: 27,
		HOME: 36,
		LEFT: 37,
		PAGE_DOWN: 34,
		PAGE_UP: 33,
		PERIOD: 190,
		RIGHT: 39,
		SPACE: 32,
		TAB: 9,
		UP: 38
	};


	/*!
 * jQuery UI Labels 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: labels
//>>group: Core
//>>description: Find all the labels associated with a given input
//>>docs: http://api.jqueryui.com/labels/


	var labels = $.fn.labels = function() {
		var ancestor, selector, id, labels, ancestors;

		if ( !this.length ) {
			return this.pushStack( [] );
		}

		// Check control.labels first
		if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
			return this.pushStack( this[ 0 ].labels );
		}

		// Support: IE <= 11, FF <= 37, Android <= 2.3 only
		// Above browsers do not support control.labels. Everything below is to support them
		// as well as document fragments. control.labels does not work on document fragments
		labels = this.eq( 0 ).parents( "label" );

		// Look for the label based on the id
		id = this.attr( "id" );
		if ( id ) {

			// We don't search against the document in case the element
			// is disconnected from the DOM
			ancestor = this.eq( 0 ).parents().last();

			// Get a full set of top level ancestors
			ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );

			// Create a selector for the label based on the id
			selector = "label[for='" + $.escapeSelector( id ) + "']";

			labels = labels.add( ancestors.find( selector ).addBack( selector ) );

		}

		// Return whatever we have found for labels
		return this.pushStack( labels );
	};


	/*!
 * jQuery UI Scroll Parent 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: scrollParent
//>>group: Core
//>>description: Get the closest ancestor element that is scrollable.
//>>docs: http://api.jqueryui.com/scrollParent/


	var scrollParent = $.fn.scrollParent = function( includeHidden ) {
		var position = this.css( "position" ),
			excludeStaticParent = position === "absolute",
			overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
			scrollParent = this.parents().filter( function() {
				var parent = $( this );
				if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
					return false;
				}
				return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
					parent.css( "overflow-x" ) );
			} ).eq( 0 );

		return position === "fixed" || !scrollParent.length ?
			$( this[ 0 ].ownerDocument || document ) :
			scrollParent;
	};


	/*!
 * jQuery UI Tabbable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: :tabbable Selector
//>>group: Core
//>>description: Selects elements which can be tabbed to.
//>>docs: http://api.jqueryui.com/tabbable-selector/


	var tabbable = $.extend( $.expr.pseudos, {
		tabbable: function( element ) {
			var tabIndex = $.attr( element, "tabindex" ),
				hasTabindex = tabIndex != null;
			return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
		}
	} );


	/*!
 * jQuery UI Unique ID 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: uniqueId
//>>group: Core
//>>description: Functions to generate and remove uniqueId's
//>>docs: http://api.jqueryui.com/uniqueId/


	var uniqueId = $.fn.extend( {
		uniqueId: ( function() {
			var uuid = 0;

			return function() {
				return this.each( function() {
					if ( !this.id ) {
						this.id = "ui-id-" + ( ++uuid );
					}
				} );
			};
		} )(),

		removeUniqueId: function() {
			return this.each( function() {
				if ( /^ui-id-\d+$/.test( this.id ) ) {
					$( this ).removeAttr( "id" );
				}
			} );
		}
	} );


	/*!
 * jQuery UI Accordion 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Accordion
//>>group: Widgets
	/* eslint-disable max-len */
//>>description: Displays collapsible content panels for presenting information in a limited amount of space.
	/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/accordion/
//>>demos: http://jqueryui.com/accordion/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/accordion.css
//>>css.theme: ../../themes/base/theme.css


	var widgetsAccordion = $.widget( "ui.accordion", {
		version: "1.13.0",
		options: {
			active: 0,
			animate: {},
			classes: {
				"ui-accordion-header": "ui-corner-top",
				"ui-accordion-header-collapsed": "ui-corner-all",
				"ui-accordion-content": "ui-corner-bottom"
			},
			collapsible: false,
			event: "click",
			header: function( elem ) {
				return elem.find( "> li > :first-child" ).add( elem.find( "> :not(li)" ).even() );
			},
			heightStyle: "auto",
			icons: {
				activeHeader: "ui-icon-triangle-1-s",
				header: "ui-icon-triangle-1-e"
			},

			// Callbacks
			activate: null,
			beforeActivate: null
		},

		hideProps: {
			borderTopWidth: "hide",
			borderBottomWidth: "hide",
			paddingTop: "hide",
			paddingBottom: "hide",
			height: "hide"
		},

		showProps: {
			borderTopWidth: "show",
			borderBottomWidth: "show",
			paddingTop: "show",
			paddingBottom: "show",
			height: "show"
		},

		_create: function() {
			var options = this.options;

			this.prevShow = this.prevHide = $();
			this._addClass( "ui-accordion", "ui-widget ui-helper-reset" );
			this.element.attr( "role", "tablist" );

			// Don't allow collapsible: false and active: false / null
			if ( !options.collapsible && ( options.active === false || options.active == null ) ) {
				options.active = 0;
			}

			this._processPanels();

			// handle negative values
			if ( options.active < 0 ) {
				options.active += this.headers.length;
			}
			this._refresh();
		},

		_getCreateEventData: function() {
			return {
				header: this.active,
				panel: !this.active.length ? $() : this.active.next()
			};
		},

		_createIcons: function() {
			var icon, children,
				icons = this.options.icons;

			if ( icons ) {
				icon = $( "<span>" );
				this._addClass( icon, "ui-accordion-header-icon", "ui-icon " + icons.header );
				icon.prependTo( this.headers );
				children = this.active.children( ".ui-accordion-header-icon" );
				this._removeClass( children, icons.header )
				._addClass( children, null, icons.activeHeader )
				._addClass( this.headers, "ui-accordion-icons" );
			}
		},

		_destroyIcons: function() {
			this._removeClass( this.headers, "ui-accordion-icons" );
			this.headers.children( ".ui-accordion-header-icon" ).remove();
		},

		_destroy: function() {
			var contents;

			// Clean up main element
			this.element.removeAttr( "role" );

			// Clean up headers
			this.headers
			.removeAttr( "role aria-expanded aria-selected aria-controls tabIndex" )
			.removeUniqueId();

			this._destroyIcons();

			// Clean up content panels
			contents = this.headers.next()
			.css( "display", "" )
			.removeAttr( "role aria-hidden aria-labelledby" )
			.removeUniqueId();

			if ( this.options.heightStyle !== "content" ) {
				contents.css( "height", "" );
			}
		},

		_setOption: function( key, value ) {
			if ( key === "active" ) {

				// _activate() will handle invalid values and update this.options
				this._activate( value );
				return;
			}

			if ( key === "event" ) {
				if ( this.options.event ) {
					this._off( this.headers, this.options.event );
				}
				this._setupEvents( value );
			}

			this._super( key, value );

			// Setting collapsible: false while collapsed; open first panel
			if ( key === "collapsible" && !value && this.options.active === false ) {
				this._activate( 0 );
			}

			if ( key === "icons" ) {
				this._destroyIcons();
				if ( value ) {
					this._createIcons();
				}
			}
		},

		_setOptionDisabled: function( value ) {
			this._super( value );

			this.element.attr( "aria-disabled", value );

			// Support: IE8 Only
			// #5332 / #6059 - opacity doesn't cascade to positioned elements in IE
			// so we need to add the disabled class to the headers and panels
			this._toggleClass( null, "ui-state-disabled", !!value );
			this._toggleClass( this.headers.add( this.headers.next() ), null, "ui-state-disabled",
				!!value );
		},

		_keydown: function( event ) {
			if ( event.altKey || event.ctrlKey ) {
				return;
			}

			var keyCode = $.ui.keyCode,
				length = this.headers.length,
				currentIndex = this.headers.index( event.target ),
				toFocus = false;

			switch ( event.keyCode ) {
				case keyCode.RIGHT:
				case keyCode.DOWN:
					toFocus = this.headers[ ( currentIndex + 1 ) % length ];
					break;
				case keyCode.LEFT:
				case keyCode.UP:
					toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
					break;
				case keyCode.SPACE:
				case keyCode.ENTER:
					this._eventHandler( event );
					break;
				case keyCode.HOME:
					toFocus = this.headers[ 0 ];
					break;
				case keyCode.END:
					toFocus = this.headers[ length - 1 ];
					break;
			}

			if ( toFocus ) {
				$( event.target ).attr( "tabIndex", -1 );
				$( toFocus ).attr( "tabIndex", 0 );
				$( toFocus ).trigger( "focus" );
				event.preventDefault();
			}
		},

		_panelKeyDown: function( event ) {
			if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
				$( event.currentTarget ).prev().trigger( "focus" );
			}
		},

		refresh: function() {
			var options = this.options;
			this._processPanels();

			// Was collapsed or no panel
			if ( ( options.active === false && options.collapsible === true ) ||
				!this.headers.length ) {
				options.active = false;
				this.active = $();

				// active false only when collapsible is true
			} else if ( options.active === false ) {
				this._activate( 0 );

				// was active, but active panel is gone
			} else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {

				// all remaining panel are disabled
				if ( this.headers.length === this.headers.find( ".ui-state-disabled" ).length ) {
					options.active = false;
					this.active = $();

					// activate previous panel
				} else {
					this._activate( Math.max( 0, options.active - 1 ) );
				}

				// was active, active panel still exists
			} else {

				// make sure active index is correct
				options.active = this.headers.index( this.active );
			}

			this._destroyIcons();

			this._refresh();
		},

		_processPanels: function() {
			var prevHeaders = this.headers,
				prevPanels = this.panels;

			if ( typeof this.options.header === "function" ) {
				this.headers = this.options.header( this.element );
			} else {
				this.headers = this.element.find( this.options.header );
			}
			this._addClass( this.headers, "ui-accordion-header ui-accordion-header-collapsed",
				"ui-state-default" );

			this.panels = this.headers.next().filter( ":not(.ui-accordion-content-active)" ).hide();
			this._addClass( this.panels, "ui-accordion-content", "ui-helper-reset ui-widget-content" );

			// Avoid memory leaks (#10056)
			if ( prevPanels ) {
				this._off( prevHeaders.not( this.headers ) );
				this._off( prevPanels.not( this.panels ) );
			}
		},

		_refresh: function() {
			var maxHeight,
				options = this.options,
				heightStyle = options.heightStyle,
				parent = this.element.parent();

			this.active = this._findActive( options.active );
			this._addClass( this.active, "ui-accordion-header-active", "ui-state-active" )
			._removeClass( this.active, "ui-accordion-header-collapsed" );
			this._addClass( this.active.next(), "ui-accordion-content-active" );
			this.active.next().show();

			this.headers
			.attr( "role", "tab" )
			.each( function() {
				var header = $( this ),
					headerId = header.uniqueId().attr( "id" ),
					panel = header.next(),
					panelId = panel.uniqueId().attr( "id" );
				header.attr( "aria-controls", panelId );
				panel.attr( "aria-labelledby", headerId );
			} )
			.next()
			.attr( "role", "tabpanel" );

			this.headers
			.not( this.active )
			.attr( {
				"aria-selected": "false",
				"aria-expanded": "false",
				tabIndex: -1
			} )
			.next()
			.attr( {
				"aria-hidden": "true"
			} )
			.hide();

			// Make sure at least one header is in the tab order
			if ( !this.active.length ) {
				this.headers.eq( 0 ).attr( "tabIndex", 0 );
			} else {
				this.active.attr( {
					"aria-selected": "true",
					"aria-expanded": "true",
					tabIndex: 0
				} )
				.next()
				.attr( {
					"aria-hidden": "false"
				} );
			}

			this._createIcons();

			this._setupEvents( options.event );

			if ( heightStyle === "fill" ) {
				maxHeight = parent.height();
				this.element.siblings( ":visible" ).each( function() {
					var elem = $( this ),
						position = elem.css( "position" );

					if ( position === "absolute" || position === "fixed" ) {
						return;
					}
					maxHeight -= elem.outerHeight( true );
				} );

				this.headers.each( function() {
					maxHeight -= $( this ).outerHeight( true );
				} );

				this.headers.next()
				.each( function() {
					$( this ).height( Math.max( 0, maxHeight -
						$( this ).innerHeight() + $( this ).height() ) );
				} )
				.css( "overflow", "auto" );
			} else if ( heightStyle === "auto" ) {
				maxHeight = 0;
				this.headers.next()
				.each( function() {
					var isVisible = $( this ).is( ":visible" );
					if ( !isVisible ) {
						$( this ).show();
					}
					maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
					if ( !isVisible ) {
						$( this ).hide();
					}
				} )
				.height( maxHeight );
			}
		},

		_activate: function( index ) {
			var active = this._findActive( index )[ 0 ];

			// Trying to activate the already active panel
			if ( active === this.active[ 0 ] ) {
				return;
			}

			// Trying to collapse, simulate a click on the currently active header
			active = active || this.active[ 0 ];

			this._eventHandler( {
				target: active,
				currentTarget: active,
				preventDefault: $.noop
			} );
		},

		_findActive: function( selector ) {
			return typeof selector === "number" ? this.headers.eq( selector ) : $();
		},

		_setupEvents: function( event ) {
			var events = {
				keydown: "_keydown"
			};
			if ( event ) {
				$.each( event.split( " " ), function( index, eventName ) {
					events[ eventName ] = "_eventHandler";
				} );
			}

			this._off( this.headers.add( this.headers.next() ) );
			this._on( this.headers, events );
			this._on( this.headers.next(), { keydown: "_panelKeyDown" } );
			this._hoverable( this.headers );
			this._focusable( this.headers );
		},

		_eventHandler: function( event ) {
			var activeChildren, clickedChildren,
				options = this.options,
				active = this.active,
				clicked = $( event.currentTarget ),
				clickedIsActive = clicked[ 0 ] === active[ 0 ],
				collapsing = clickedIsActive && options.collapsible,
				toShow = collapsing ? $() : clicked.next(),
				toHide = active.next(),
				eventData = {
					oldHeader: active,
					oldPanel: toHide,
					newHeader: collapsing ? $() : clicked,
					newPanel: toShow
				};

			event.preventDefault();

			if (

				// click on active header, but not collapsible
				( clickedIsActive && !options.collapsible ) ||

				// allow canceling activation
				( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
				return;
			}

			options.active = collapsing ? false : this.headers.index( clicked );

			// When the call to ._toggle() comes after the class changes
			// it causes a very odd bug in IE 8 (see #6720)
			this.active = clickedIsActive ? $() : clicked;
			this._toggle( eventData );

			// Switch classes
			// corner classes on the previously active header stay after the animation
			this._removeClass( active, "ui-accordion-header-active", "ui-state-active" );
			if ( options.icons ) {
				activeChildren = active.children( ".ui-accordion-header-icon" );
				this._removeClass( activeChildren, null, options.icons.activeHeader )
				._addClass( activeChildren, null, options.icons.header );
			}

			if ( !clickedIsActive ) {
				this._removeClass( clicked, "ui-accordion-header-collapsed" )
				._addClass( clicked, "ui-accordion-header-active", "ui-state-active" );
				if ( options.icons ) {
					clickedChildren = clicked.children( ".ui-accordion-header-icon" );
					this._removeClass( clickedChildren, null, options.icons.header )
					._addClass( clickedChildren, null, options.icons.activeHeader );
				}

				this._addClass( clicked.next(), "ui-accordion-content-active" );
			}
		},

		_toggle: function( data ) {
			var toShow = data.newPanel,
				toHide = this.prevShow.length ? this.prevShow : data.oldPanel;

			// Handle activating a panel during the animation for another activation
			this.prevShow.add( this.prevHide ).stop( true, true );
			this.prevShow = toShow;
			this.prevHide = toHide;

			if ( this.options.animate ) {
				this._animate( toShow, toHide, data );
			} else {
				toHide.hide();
				toShow.show();
				this._toggleComplete( data );
			}

			toHide.attr( {
				"aria-hidden": "true"
			} );
			toHide.prev().attr( {
				"aria-selected": "false",
				"aria-expanded": "false"
			} );

			// if we're switching panels, remove the old header from the tab order
			// if we're opening from collapsed state, remove the previous header from the tab order
			// if we're collapsing, then keep the collapsing header in the tab order
			if ( toShow.length && toHide.length ) {
				toHide.prev().attr( {
					"tabIndex": -1,
					"aria-expanded": "false"
				} );
			} else if ( toShow.length ) {
				this.headers.filter( function() {
					return parseInt( $( this ).attr( "tabIndex" ), 10 ) === 0;
				} )
				.attr( "tabIndex", -1 );
			}

			toShow
			.attr( "aria-hidden", "false" )
			.prev()
			.attr( {
				"aria-selected": "true",
				"aria-expanded": "true",
				tabIndex: 0
			} );
		},

		_animate: function( toShow, toHide, data ) {
			var total, easing, duration,
				that = this,
				adjust = 0,
				boxSizing = toShow.css( "box-sizing" ),
				down = toShow.length &&
					( !toHide.length || ( toShow.index() < toHide.index() ) ),
				animate = this.options.animate || {},
				options = down && animate.down || animate,
				complete = function() {
					that._toggleComplete( data );
				};

			if ( typeof options === "number" ) {
				duration = options;
			}
			if ( typeof options === "string" ) {
				easing = options;
			}

			// fall back from options to animation in case of partial down settings
			easing = easing || options.easing || animate.easing;
			duration = duration || options.duration || animate.duration;

			if ( !toHide.length ) {
				return toShow.animate( this.showProps, duration, easing, complete );
			}
			if ( !toShow.length ) {
				return toHide.animate( this.hideProps, duration, easing, complete );
			}

			total = toShow.show().outerHeight();
			toHide.animate( this.hideProps, {
				duration: duration,
				easing: easing,
				step: function( now, fx ) {
					fx.now = Math.round( now );
				}
			} );
			toShow
			.hide()
			.animate( this.showProps, {
				duration: duration,
				easing: easing,
				complete: complete,
				step: function( now, fx ) {
					fx.now = Math.round( now );
					if ( fx.prop !== "height" ) {
						if ( boxSizing === "content-box" ) {
							adjust += fx.now;
						}
					} else if ( that.options.heightStyle !== "content" ) {
						fx.now = Math.round( total - toHide.outerHeight() - adjust );
						adjust = 0;
					}
				}
			} );
		},

		_toggleComplete: function( data ) {
			var toHide = data.oldPanel,
				prev = toHide.prev();

			this._removeClass( toHide, "ui-accordion-content-active" );
			this._removeClass( prev, "ui-accordion-header-active" )
			._addClass( prev, "ui-accordion-header-collapsed" );

			// Work around for rendering bug in IE (#5421)
			if ( toHide.length ) {
				toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className;
			}
			this._trigger( "activate", null, data );
		}
	} );



	var safeActiveElement = $.ui.safeActiveElement = function( document ) {
		var activeElement;

		// Support: IE 9 only
		// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
		try {
			activeElement = document.activeElement;
		} catch ( error ) {
			activeElement = document.body;
		}

		// Support: IE 9 - 11 only
		// IE may return null instead of an element
		// Interestingly, this only seems to occur when NOT in an iframe
		if ( !activeElement ) {
			activeElement = document.body;
		}

		// Support: IE 11 only
		// IE11 returns a seemingly empty object in some cases when accessing
		// document.activeElement from an <iframe>
		if ( !activeElement.nodeName ) {
			activeElement = document.body;
		}

		return activeElement;
	};


	/*!
 * jQuery UI Menu 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Menu
//>>group: Widgets
//>>description: Creates nestable menus.
//>>docs: http://api.jqueryui.com/menu/
//>>demos: http://jqueryui.com/menu/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/menu.css
//>>css.theme: ../../themes/base/theme.css


	var widgetsMenu = $.widget( "ui.menu", {
		version: "1.13.0",
		defaultElement: "<ul>",
		delay: 300,
		options: {
			icons: {
				submenu: "ui-icon-caret-1-e"
			},
			items: "> *",
			menus: "ul",
			position: {
				my: "left top",
				at: "right top"
			},
			role: "menu",

			// Callbacks
			blur: null,
			focus: null,
			select: null
		},

		_create: function() {
			this.activeMenu = this.element;

			// Flag used to prevent firing of the click handler
			// as the event bubbles up through nested menus
			this.mouseHandled = false;
			this.lastMousePosition = { x: null, y: null };
			this.element
			.uniqueId()
			.attr( {
				role: this.options.role,
				tabIndex: 0
			} );

			this._addClass( "ui-menu", "ui-widget ui-widget-content" );
			this._on( {

				// Prevent focus from sticking to links inside menu after clicking
				// them (focus should always stay on UL during navigation).
				"mousedown .ui-menu-item": function( event ) {
					event.preventDefault();

					this._activateItem( event );
				},
				"click .ui-menu-item": function( event ) {
					var target = $( event.target );
					var active = $( $.ui.safeActiveElement( this.document[ 0 ] ) );
					if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
						this.select( event );

						// Only set the mouseHandled flag if the event will bubble, see #9469.
						if ( !event.isPropagationStopped() ) {
							this.mouseHandled = true;
						}

						// Open submenu on click
						if ( target.has( ".ui-menu" ).length ) {
							this.expand( event );
						} else if ( !this.element.is( ":focus" ) &&
							active.closest( ".ui-menu" ).length ) {

							// Redirect focus to the menu
							this.element.trigger( "focus", [ true ] );

							// If the active item is on the top level, let it stay active.
							// Otherwise, blur the active item since it is no longer visible.
							if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
								clearTimeout( this.timer );
							}
						}
					}
				},
				"mouseenter .ui-menu-item": "_activateItem",
				"mousemove .ui-menu-item": "_activateItem",
				mouseleave: "collapseAll",
				"mouseleave .ui-menu": "collapseAll",
				focus: function( event, keepActiveItem ) {

					// If there's already an active item, keep it active
					// If not, activate the first item
					var item = this.active || this._menuItems().first();

					if ( !keepActiveItem ) {
						this.focus( event, item );
					}
				},
				blur: function( event ) {
					this._delay( function() {
						var notContained = !$.contains(
							this.element[ 0 ],
							$.ui.safeActiveElement( this.document[ 0 ] )
						);
						if ( notContained ) {
							this.collapseAll( event );
						}
					} );
				},
				keydown: "_keydown"
			} );

			this.refresh();

			// Clicks outside of a menu collapse any open menus
			this._on( this.document, {
				click: function( event ) {
					if ( this._closeOnDocumentClick( event ) ) {
						this.collapseAll( event, true );
					}

					// Reset the mouseHandled flag
					this.mouseHandled = false;
				}
			} );
		},

		_activateItem: function( event ) {

			// Ignore mouse events while typeahead is active, see #10458.
			// Prevents focusing the wrong item when typeahead causes a scroll while the mouse
			// is over an item in the menu
			if ( this.previousFilter ) {
				return;
			}

			// If the mouse didn't actually move, but the page was scrolled, ignore the event (#9356)
			if ( event.clientX === this.lastMousePosition.x &&
				event.clientY === this.lastMousePosition.y ) {
				return;
			}

			this.lastMousePosition = {
				x: event.clientX,
				y: event.clientY
			};

			var actualTarget = $( event.target ).closest( ".ui-menu-item" ),
				target = $( event.currentTarget );

			// Ignore bubbled events on parent items, see #11641
			if ( actualTarget[ 0 ] !== target[ 0 ] ) {
				return;
			}

			// If the item is already active, there's nothing to do
			if ( target.is( ".ui-state-active" ) ) {
				return;
			}

			// Remove ui-state-active class from siblings of the newly focused menu item
			// to avoid a jump caused by adjacent elements both having a class with a border
			this._removeClass( target.siblings().children( ".ui-state-active" ),
				null, "ui-state-active" );
			this.focus( event, target );
		},

		_destroy: function() {
			var items = this.element.find( ".ui-menu-item" )
				.removeAttr( "role aria-disabled" ),
				submenus = items.children( ".ui-menu-item-wrapper" )
				.removeUniqueId()
				.removeAttr( "tabIndex role aria-haspopup" );

			// Destroy (sub)menus
			this.element
			.removeAttr( "aria-activedescendant" )
			.find( ".ui-menu" ).addBack()
			.removeAttr( "role aria-labelledby aria-expanded aria-hidden aria-disabled " +
				"tabIndex" )
			.removeUniqueId()
			.show();

			submenus.children().each( function() {
				var elem = $( this );
				if ( elem.data( "ui-menu-submenu-caret" ) ) {
					elem.remove();
				}
			} );
		},

		_keydown: function( event ) {
			var match, prev, character, skip,
				preventDefault = true;

			switch ( event.keyCode ) {
				case $.ui.keyCode.PAGE_UP:
					this.previousPage( event );
					break;
				case $.ui.keyCode.PAGE_DOWN:
					this.nextPage( event );
					break;
				case $.ui.keyCode.HOME:
					this._move( "first", "first", event );
					break;
				case $.ui.keyCode.END:
					this._move( "last", "last", event );
					break;
				case $.ui.keyCode.UP:
					this.previous( event );
					break;
				case $.ui.keyCode.DOWN:
					this.next( event );
					break;
				case $.ui.keyCode.LEFT:
					this.collapse( event );
					break;
				case $.ui.keyCode.RIGHT:
					if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
						this.expand( event );
					}
					break;
				case $.ui.keyCode.ENTER:
				case $.ui.keyCode.SPACE:
					this._activate( event );
					break;
				case $.ui.keyCode.ESCAPE:
					this.collapse( event );
					break;
				default:
					preventDefault = false;
					prev = this.previousFilter || "";
					skip = false;

					// Support number pad values
					character = event.keyCode >= 96 && event.keyCode <= 105 ?
						( event.keyCode - 96 ).toString() : String.fromCharCode( event.keyCode );

					clearTimeout( this.filterTimer );

					if ( character === prev ) {
						skip = true;
					} else {
						character = prev + character;
					}

					match = this._filterMenuItems( character );
					match = skip && match.index( this.active.next() ) !== -1 ?
						this.active.nextAll( ".ui-menu-item" ) :
						match;

					// If no matches on the current filter, reset to the last character pressed
					// to move down the menu to the first item that starts with that character
					if ( !match.length ) {
						character = String.fromCharCode( event.keyCode );
						match = this._filterMenuItems( character );
					}

					if ( match.length ) {
						this.focus( event, match );
						this.previousFilter = character;
						this.filterTimer = this._delay( function() {
							delete this.previousFilter;
						}, 1000 );
					} else {
						delete this.previousFilter;
					}
			}

			if ( preventDefault ) {
				event.preventDefault();
			}
		},

		_activate: function( event ) {
			if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
				if ( this.active.children( "[aria-haspopup='true']" ).length ) {
					this.expand( event );
				} else {
					this.select( event );
				}
			}
		},

		refresh: function() {
			var menus, items, newSubmenus, newItems, newWrappers,
				that = this,
				icon = this.options.icons.submenu,
				submenus = this.element.find( this.options.menus );

			this._toggleClass( "ui-menu-icons", null, !!this.element.find( ".ui-icon" ).length );

			// Initialize nested menus
			newSubmenus = submenus.filter( ":not(.ui-menu)" )
			.hide()
			.attr( {
				role: this.options.role,
				"aria-hidden": "true",
				"aria-expanded": "false"
			} )
			.each( function() {
				var menu = $( this ),
					item = menu.prev(),
					submenuCaret = $( "<span>" ).data( "ui-menu-submenu-caret", true );

				that._addClass( submenuCaret, "ui-menu-icon", "ui-icon " + icon );
				item
				.attr( "aria-haspopup", "true" )
				.prepend( submenuCaret );
				menu.attr( "aria-labelledby", item.attr( "id" ) );
			} );

			this._addClass( newSubmenus, "ui-menu", "ui-widget ui-widget-content ui-front" );

			menus = submenus.add( this.element );
			items = menus.find( this.options.items );

			// Initialize menu-items containing spaces and/or dashes only as dividers
			items.not( ".ui-menu-item" ).each( function() {
				var item = $( this );
				if ( that._isDivider( item ) ) {
					that._addClass( item, "ui-menu-divider", "ui-widget-content" );
				}
			} );

			// Don't refresh list items that are already adapted
			newItems = items.not( ".ui-menu-item, .ui-menu-divider" );
			newWrappers = newItems.children()
			.not( ".ui-menu" )
			.uniqueId()
			.attr( {
				tabIndex: -1,
				role: this._itemRole()
			} );
			this._addClass( newItems, "ui-menu-item" )
			._addClass( newWrappers, "ui-menu-item-wrapper" );

			// Add aria-disabled attribute to any disabled menu item
			items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" );

			// If the active item has been removed, blur the menu
			if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
				this.blur();
			}
		},

		_itemRole: function() {
			return {
				menu: "menuitem",
				listbox: "option"
			}[ this.options.role ];
		},

		_setOption: function( key, value ) {
			if ( key === "icons" ) {
				var icons = this.element.find( ".ui-menu-icon" );
				this._removeClass( icons, null, this.options.icons.submenu )
				._addClass( icons, null, value.submenu );
			}
			this._super( key, value );
		},

		_setOptionDisabled: function( value ) {
			this._super( value );

			this.element.attr( "aria-disabled", String( value ) );
			this._toggleClass( null, "ui-state-disabled", !!value );
		},

		focus: function( event, item ) {
			var nested, focused, activeParent;
			this.blur( event, event && event.type === "focus" );

			this._scrollIntoView( item );

			this.active = item.first();

			focused = this.active.children( ".ui-menu-item-wrapper" );
			this._addClass( focused, null, "ui-state-active" );

			// Only update aria-activedescendant if there's a role
			// otherwise we assume focus is managed elsewhere
			if ( this.options.role ) {
				this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
			}

			// Highlight active parent menu item, if any
			activeParent = this.active
			.parent()
			.closest( ".ui-menu-item" )
			.children( ".ui-menu-item-wrapper" );
			this._addClass( activeParent, null, "ui-state-active" );

			if ( event && event.type === "keydown" ) {
				this._close();
			} else {
				this.timer = this._delay( function() {
					this._close();
				}, this.delay );
			}

			nested = item.children( ".ui-menu" );
			if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) {
				this._startOpening( nested );
			}
			this.activeMenu = item.parent();

			this._trigger( "focus", event, { item: item } );
		},

		_scrollIntoView: function( item ) {
			var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
			if ( this._hasScroll() ) {
				borderTop = parseFloat( $.css( this.activeMenu[ 0 ], "borderTopWidth" ) ) || 0;
				paddingTop = parseFloat( $.css( this.activeMenu[ 0 ], "paddingTop" ) ) || 0;
				offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
				scroll = this.activeMenu.scrollTop();
				elementHeight = this.activeMenu.height();
				itemHeight = item.outerHeight();

				if ( offset < 0 ) {
					this.activeMenu.scrollTop( scroll + offset );
				} else if ( offset + itemHeight > elementHeight ) {
					this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
				}
			}
		},

		blur: function( event, fromFocus ) {
			if ( !fromFocus ) {
				clearTimeout( this.timer );
			}

			if ( !this.active ) {
				return;
			}

			this._removeClass( this.active.children( ".ui-menu-item-wrapper" ),
				null, "ui-state-active" );

			this._trigger( "blur", event, { item: this.active } );
			this.active = null;
		},

		_startOpening: function( submenu ) {
			clearTimeout( this.timer );

			// Don't open if already open fixes a Firefox bug that caused a .5 pixel
			// shift in the submenu position when mousing over the caret icon
			if ( submenu.attr( "aria-hidden" ) !== "true" ) {
				return;
			}

			this.timer = this._delay( function() {
				this._close();
				this._open( submenu );
			}, this.delay );
		},

		_open: function( submenu ) {
			var position = $.extend( {
				of: this.active
			}, this.options.position );

			clearTimeout( this.timer );
			this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
			.hide()
			.attr( "aria-hidden", "true" );

			submenu
			.show()
			.removeAttr( "aria-hidden" )
			.attr( "aria-expanded", "true" )
			.position( position );
		},

		collapseAll: function( event, all ) {
			clearTimeout( this.timer );
			this.timer = this._delay( function() {

				// If we were passed an event, look for the submenu that contains the event
				var currentMenu = all ? this.element :
					$( event && event.target ).closest( this.element.find( ".ui-menu" ) );

				// If we found no valid submenu ancestor, use the main menu to close all
				// sub menus anyway
				if ( !currentMenu.length ) {
					currentMenu = this.element;
				}

				this._close( currentMenu );

				this.blur( event );

				// Work around active item staying active after menu is blurred
				this._removeClass( currentMenu.find( ".ui-state-active" ), null, "ui-state-active" );

				this.activeMenu = currentMenu;
			}, all ? 0 : this.delay );
		},

		// With no arguments, closes the currently active menu - if nothing is active
		// it closes all menus.  If passed an argument, it will search for menus BELOW
		_close: function( startMenu ) {
			if ( !startMenu ) {
				startMenu = this.active ? this.active.parent() : this.element;
			}

			startMenu.find( ".ui-menu" )
			.hide()
			.attr( "aria-hidden", "true" )
			.attr( "aria-expanded", "false" );
		},

		_closeOnDocumentClick: function( event ) {
			return !$( event.target ).closest( ".ui-menu" ).length;
		},

		_isDivider: function( item ) {

			// Match hyphen, em dash, en dash
			return !/[^\-\u2014\u2013\s]/.test( item.text() );
		},

		collapse: function( event ) {
			var newItem = this.active &&
				this.active.parent().closest( ".ui-menu-item", this.element );
			if ( newItem && newItem.length ) {
				this._close();
				this.focus( event, newItem );
			}
		},

		expand: function( event ) {
			var newItem = this.active && this._menuItems( this.active.children( ".ui-menu" ) ).first();

			if ( newItem && newItem.length ) {
				this._open( newItem.parent() );

				// Delay so Firefox will not hide activedescendant change in expanding submenu from AT
				this._delay( function() {
					this.focus( event, newItem );
				} );
			}
		},

		next: function( event ) {
			this._move( "next", "first", event );
		},

		previous: function( event ) {
			this._move( "prev", "last", event );
		},

		isFirstItem: function() {
			return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
		},

		isLastItem: function() {
			return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
		},

		_menuItems: function( menu ) {
			return ( menu || this.element )
			.find( this.options.items )
			.filter( ".ui-menu-item" );
		},

		_move: function( direction, filter, event ) {
			var next;
			if ( this.active ) {
				if ( direction === "first" || direction === "last" ) {
					next = this.active
						[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
					.last();
				} else {
					next = this.active
						[ direction + "All" ]( ".ui-menu-item" )
					.first();
				}
			}
			if ( !next || !next.length || !this.active ) {
				next = this._menuItems( this.activeMenu )[ filter ]();
			}

			this.focus( event, next );
		},

		nextPage: function( event ) {
			var item, base, height;

			if ( !this.active ) {
				this.next( event );
				return;
			}
			if ( this.isLastItem() ) {
				return;
			}
			if ( this._hasScroll() ) {
				base = this.active.offset().top;
				height = this.element.innerHeight();

				// jQuery 3.2 doesn't include scrollbars in innerHeight, add it back.
				if ( $.fn.jquery.indexOf( "3.2." ) === 0 ) {
					height += this.element[ 0 ].offsetHeight - this.element.outerHeight();
				}

				this.active.nextAll( ".ui-menu-item" ).each( function() {
					item = $( this );
					return item.offset().top - base - height < 0;
				} );

				this.focus( event, item );
			} else {
				this.focus( event, this._menuItems( this.activeMenu )
					[ !this.active ? "first" : "last" ]() );
			}
		},

		previousPage: function( event ) {
			var item, base, height;
			if ( !this.active ) {
				this.next( event );
				return;
			}
			if ( this.isFirstItem() ) {
				return;
			}
			if ( this._hasScroll() ) {
				base = this.active.offset().top;
				height = this.element.innerHeight();

				// jQuery 3.2 doesn't include scrollbars in innerHeight, add it back.
				if ( $.fn.jquery.indexOf( "3.2." ) === 0 ) {
					height += this.element[ 0 ].offsetHeight - this.element.outerHeight();
				}

				this.active.prevAll( ".ui-menu-item" ).each( function() {
					item = $( this );
					return item.offset().top - base + height > 0;
				} );

				this.focus( event, item );
			} else {
				this.focus( event, this._menuItems( this.activeMenu ).first() );
			}
		},

		_hasScroll: function() {
			return this.element.outerHeight() < this.element.prop( "scrollHeight" );
		},

		select: function( event ) {

			// TODO: It should never be possible to not have an active item at this
			// point, but the tests don't trigger mouseenter before click.
			this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
			var ui = { item: this.active };
			if ( !this.active.has( ".ui-menu" ).length ) {
				this.collapseAll( event, true );
			}
			this._trigger( "select", event, ui );
		},

		_filterMenuItems: function( character ) {
			var escapedCharacter = character.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ),
				regex = new RegExp( "^" + escapedCharacter, "i" );

			return this.activeMenu
			.find( this.options.items )

			// Only match on items, not dividers or other content (#10571)
			.filter( ".ui-menu-item" )
			.filter( function() {
				return regex.test(
					String.prototype.trim.call(
						$( this ).children( ".ui-menu-item-wrapper" ).text() ) );
			} );
		}
	} );


	/*!
 * jQuery UI Autocomplete 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Autocomplete
//>>group: Widgets
//>>description: Lists suggested words as the user is typing.
//>>docs: http://api.jqueryui.com/autocomplete/
//>>demos: http://jqueryui.com/autocomplete/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/autocomplete.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.autocomplete", {
		version: "1.13.0",
		defaultElement: "<input>",
		options: {
			appendTo: null,
			autoFocus: false,
			delay: 300,
			minLength: 1,
			position: {
				my: "left top",
				at: "left bottom",
				collision: "none"
			},
			source: null,

			// Callbacks
			change: null,
			close: null,
			focus: null,
			open: null,
			response: null,
			search: null,
			select: null
		},

		requestIndex: 0,
		pending: 0,

		_create: function() {

			// Some browsers only repeat keydown events, not keypress events,
			// so we use the suppressKeyPress flag to determine if we've already
			// handled the keydown event. #7269
			// Unfortunately the code for & in keypress is the same as the up arrow,
			// so we use the suppressKeyPressRepeat flag to avoid handling keypress
			// events when we know the keydown event was used to modify the
			// search term. #7799
			var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
				nodeName = this.element[ 0 ].nodeName.toLowerCase(),
				isTextarea = nodeName === "textarea",
				isInput = nodeName === "input";

			// Textareas are always multi-line
			// Inputs are always single-line, even if inside a contentEditable element
			// IE also treats inputs as contentEditable
			// All other element types are determined by whether or not they're contentEditable
			this.isMultiLine = isTextarea || !isInput && this._isContentEditable( this.element );

			this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
			this.isNewMenu = true;

			this._addClass( "ui-autocomplete-input" );
			this.element.attr( "autocomplete", "off" );

			this._on( this.element, {
				keydown: function( event ) {
					if ( this.element.prop( "readOnly" ) ) {
						suppressKeyPress = true;
						suppressInput = true;
						suppressKeyPressRepeat = true;
						return;
					}

					suppressKeyPress = false;
					suppressInput = false;
					suppressKeyPressRepeat = false;
					var keyCode = $.ui.keyCode;
					switch ( event.keyCode ) {
						case keyCode.PAGE_UP:
							suppressKeyPress = true;
							this._move( "previousPage", event );
							break;
						case keyCode.PAGE_DOWN:
							suppressKeyPress = true;
							this._move( "nextPage", event );
							break;
						case keyCode.UP:
							suppressKeyPress = true;
							this._keyEvent( "previous", event );
							break;
						case keyCode.DOWN:
							suppressKeyPress = true;
							this._keyEvent( "next", event );
							break;
						case keyCode.ENTER:

							// when menu is open and has focus
							if ( this.menu.active ) {

								// #6055 - Opera still allows the keypress to occur
								// which causes forms to submit
								suppressKeyPress = true;
								event.preventDefault();
								this.menu.select( event );
							}
							break;
						case keyCode.TAB:
							if ( this.menu.active ) {
								this.menu.select( event );
							}
							break;
						case keyCode.ESCAPE:
							if ( this.menu.element.is( ":visible" ) ) {
								if ( !this.isMultiLine ) {
									this._value( this.term );
								}
								this.close( event );

								// Different browsers have different default behavior for escape
								// Single press can mean undo or clear
								// Double press in IE means clear the whole form
								event.preventDefault();
							}
							break;
						default:
							suppressKeyPressRepeat = true;

							// search timeout should be triggered before the input value is changed
							this._searchTimeout( event );
							break;
					}
				},
				keypress: function( event ) {
					if ( suppressKeyPress ) {
						suppressKeyPress = false;
						if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
							event.preventDefault();
						}
						return;
					}
					if ( suppressKeyPressRepeat ) {
						return;
					}

					// Replicate some key handlers to allow them to repeat in Firefox and Opera
					var keyCode = $.ui.keyCode;
					switch ( event.keyCode ) {
						case keyCode.PAGE_UP:
							this._move( "previousPage", event );
							break;
						case keyCode.PAGE_DOWN:
							this._move( "nextPage", event );
							break;
						case keyCode.UP:
							this._keyEvent( "previous", event );
							break;
						case keyCode.DOWN:
							this._keyEvent( "next", event );
							break;
					}
				},
				input: function( event ) {
					if ( suppressInput ) {
						suppressInput = false;
						event.preventDefault();
						return;
					}
					this._searchTimeout( event );
				},
				focus: function() {
					this.selectedItem = null;
					this.previous = this._value();
				},
				blur: function( event ) {
					clearTimeout( this.searching );
					this.close( event );
					this._change( event );
				}
			} );

			this._initSource();
			this.menu = $( "<ul>" )
			.appendTo( this._appendTo() )
			.menu( {

				// disable ARIA support, the live region takes care of that
				role: null
			} )
			.hide()

			// Support: IE 11 only, Edge <= 14
			// For other browsers, we preventDefault() on the mousedown event
			// to keep the dropdown from taking focus from the input. This doesn't
			// work for IE/Edge, causing problems with selection and scrolling (#9638)
			// Happily, IE and Edge support an "unselectable" attribute that
			// prevents an element from receiving focus, exactly what we want here.
			.attr( {
				"unselectable": "on"
			} )
			.menu( "instance" );

			this._addClass( this.menu.element, "ui-autocomplete", "ui-front" );
			this._on( this.menu.element, {
				mousedown: function( event ) {

					// Prevent moving focus out of the text field
					event.preventDefault();
				},
				menufocus: function( event, ui ) {
					var label, item;

					// support: Firefox
					// Prevent accidental activation of menu items in Firefox (#7024 #9118)
					if ( this.isNewMenu ) {
						this.isNewMenu = false;
						if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
							this.menu.blur();

							this.document.one( "mousemove", function() {
								$( event.target ).trigger( event.originalEvent );
							} );

							return;
						}
					}

					item = ui.item.data( "ui-autocomplete-item" );
					if ( false !== this._trigger( "focus", event, { item: item } ) ) {

						// use value to match what will end up in the input, if it was a key event
						if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
							this._value( item.value );
						}
					}

					// Announce the value in the liveRegion
					label = ui.item.attr( "aria-label" ) || item.value;
					if ( label && String.prototype.trim.call( label ).length ) {
						this.liveRegion.children().hide();
						$( "<div>" ).text( label ).appendTo( this.liveRegion );
					}
				},
				menuselect: function( event, ui ) {
					var item = ui.item.data( "ui-autocomplete-item" ),
						previous = this.previous;

					// Only trigger when focus was lost (click on menu)
					if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
						this.element.trigger( "focus" );
						this.previous = previous;

						// #6109 - IE triggers two focus events and the second
						// is asynchronous, so we need to reset the previous
						// term synchronously and asynchronously :-(
						this._delay( function() {
							this.previous = previous;
							this.selectedItem = item;
						} );
					}

					if ( false !== this._trigger( "select", event, { item: item } ) ) {
						this._value( item.value );
					}

					// reset the term after the select event
					// this allows custom select handling to work properly
					this.term = this._value();

					this.close( event );
					this.selectedItem = item;
				}
			} );

			this.liveRegion = $( "<div>", {
				role: "status",
				"aria-live": "assertive",
				"aria-relevant": "additions"
			} )
			.appendTo( this.document[ 0 ].body );

			this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );

			// Turning off autocomplete prevents the browser from remembering the
			// value when navigating through history, so we re-enable autocomplete
			// if the page is unloaded before the widget is destroyed. #7790
			this._on( this.window, {
				beforeunload: function() {
					this.element.removeAttr( "autocomplete" );
				}
			} );
		},

		_destroy: function() {
			clearTimeout( this.searching );
			this.element.removeAttr( "autocomplete" );
			this.menu.element.remove();
			this.liveRegion.remove();
		},

		_setOption: function( key, value ) {
			this._super( key, value );
			if ( key === "source" ) {
				this._initSource();
			}
			if ( key === "appendTo" ) {
				this.menu.element.appendTo( this._appendTo() );
			}
			if ( key === "disabled" && value && this.xhr ) {
				this.xhr.abort();
			}
		},

		_isEventTargetInWidget: function( event ) {
			var menuElement = this.menu.element[ 0 ];

			return event.target === this.element[ 0 ] ||
				event.target === menuElement ||
				$.contains( menuElement, event.target );
		},

		_closeOnClickOutside: function( event ) {
			if ( !this._isEventTargetInWidget( event ) ) {
				this.close();
			}
		},

		_appendTo: function() {
			var element = this.options.appendTo;

			if ( element ) {
				element = element.jquery || element.nodeType ?
					$( element ) :
					this.document.find( element ).eq( 0 );
			}

			if ( !element || !element[ 0 ] ) {
				element = this.element.closest( ".ui-front, dialog" );
			}

			if ( !element.length ) {
				element = this.document[ 0 ].body;
			}

			return element;
		},

		_initSource: function() {
			var array, url,
				that = this;
			if ( Array.isArray( this.options.source ) ) {
				array = this.options.source;
				this.source = function( request, response ) {
					response( $.ui.autocomplete.filter( array, request.term ) );
				};
			} else if ( typeof this.options.source === "string" ) {
				url = this.options.source;
				this.source = function( request, response ) {
					if ( that.xhr ) {
						that.xhr.abort();
					}
					that.xhr = $.ajax( {
						url: url,
						data: request,
						dataType: "json",
						success: function( data ) {
							response( data );
						},
						error: function() {
							response( [] );
						}
					} );
				};
			} else {
				this.source = this.options.source;
			}
		},

		_searchTimeout: function( event ) {
			clearTimeout( this.searching );
			this.searching = this._delay( function() {

				// Search if the value has changed, or if the user retypes the same value (see #7434)
				var equalValues = this.term === this._value(),
					menuVisible = this.menu.element.is( ":visible" ),
					modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;

				if ( !equalValues || ( equalValues && !menuVisible && !modifierKey ) ) {
					this.selectedItem = null;
					this.search( null, event );
				}
			}, this.options.delay );
		},

		search: function( value, event ) {
			value = value != null ? value : this._value();

			// Always save the actual value, not the one passed as an argument
			this.term = this._value();

			if ( value.length < this.options.minLength ) {
				return this.close( event );
			}

			if ( this._trigger( "search", event ) === false ) {
				return;
			}

			return this._search( value );
		},

		_search: function( value ) {
			this.pending++;
			this._addClass( "ui-autocomplete-loading" );
			this.cancelSearch = false;

			this.source( { term: value }, this._response() );
		},

		_response: function() {
			var index = ++this.requestIndex;

			return function( content ) {
				if ( index === this.requestIndex ) {
					this.__response( content );
				}

				this.pending--;
				if ( !this.pending ) {
					this._removeClass( "ui-autocomplete-loading" );
				}
			}.bind( this );
		},

		__response: function( content ) {
			if ( content ) {
				content = this._normalize( content );
			}
			this._trigger( "response", null, { content: content } );
			if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
				this._suggest( content );
				this._trigger( "open" );
			} else {

				// use ._close() instead of .close() so we don't cancel future searches
				this._close();
			}
		},

		close: function( event ) {
			this.cancelSearch = true;
			this._close( event );
		},

		_close: function( event ) {

			// Remove the handler that closes the menu on outside clicks
			this._off( this.document, "mousedown" );

			if ( this.menu.element.is( ":visible" ) ) {
				this.menu.element.hide();
				this.menu.blur();
				this.isNewMenu = true;
				this._trigger( "close", event );
			}
		},

		_change: function( event ) {
			if ( this.previous !== this._value() ) {
				this._trigger( "change", event, { item: this.selectedItem } );
			}
		},

		_normalize: function( items ) {

			// assume all items have the right format when the first item is complete
			if ( items.length && items[ 0 ].label && items[ 0 ].value ) {
				return items;
			}
			return $.map( items, function( item ) {
				if ( typeof item === "string" ) {
					return {
						label: item,
						value: item
					};
				}
				return $.extend( {}, item, {
					label: item.label || item.value,
					value: item.value || item.label
				} );
			} );
		},

		_suggest: function( items ) {
			var ul = this.menu.element.empty();
			this._renderMenu( ul, items );
			this.isNewMenu = true;
			this.menu.refresh();

			// Size and position menu
			ul.show();
			this._resizeMenu();
			ul.position( $.extend( {
				of: this.element
			}, this.options.position ) );

			if ( this.options.autoFocus ) {
				this.menu.next();
			}

			// Listen for interactions outside of the widget (#6642)
			this._on( this.document, {
				mousedown: "_closeOnClickOutside"
			} );
		},

		_resizeMenu: function() {
			var ul = this.menu.element;
			ul.outerWidth( Math.max(

				// Firefox wraps long text (possibly a rounding bug)
				// so we add 1px to avoid the wrapping (#7513)
				ul.width( "" ).outerWidth() + 1,
				this.element.outerWidth()
			) );
		},

		_renderMenu: function( ul, items ) {
			var that = this;
			$.each( items, function( index, item ) {
				that._renderItemData( ul, item );
			} );
		},

		_renderItemData: function( ul, item ) {
			return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
		},

		_renderItem: function( ul, item ) {
			return $( "<li>" )
			.append( $( "<div>" ).text( item.label ) )
			.appendTo( ul );
		},

		_move: function( direction, event ) {
			if ( !this.menu.element.is( ":visible" ) ) {
				this.search( null, event );
				return;
			}
			if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
				this.menu.isLastItem() && /^next/.test( direction ) ) {

				if ( !this.isMultiLine ) {
					this._value( this.term );
				}

				this.menu.blur();
				return;
			}
			this.menu[ direction ]( event );
		},

		widget: function() {
			return this.menu.element;
		},

		_value: function() {
			return this.valueMethod.apply( this.element, arguments );
		},

		_keyEvent: function( keyEvent, event ) {
			if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
				this._move( keyEvent, event );

				// Prevents moving cursor to beginning/end of the text field in some browsers
				event.preventDefault();
			}
		},

		// Support: Chrome <=50
		// We should be able to just use this.element.prop( "isContentEditable" )
		// but hidden elements always report false in Chrome.
		// https://code.google.com/p/chromium/issues/detail?id=313082
		_isContentEditable: function( element ) {
			if ( !element.length ) {
				return false;
			}

			var editable = element.prop( "contentEditable" );

			if ( editable === "inherit" ) {
				return this._isContentEditable( element.parent() );
			}

			return editable === "true";
		}
	} );

	$.extend( $.ui.autocomplete, {
		escapeRegex: function( value ) {
			return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
		},
		filter: function( array, term ) {
			var matcher = new RegExp( $.ui.autocomplete.escapeRegex( term ), "i" );
			return $.grep( array, function( value ) {
				return matcher.test( value.label || value.value || value );
			} );
		}
	} );

// Live region extension, adding a `messages` option
// NOTE: This is an experimental API. We are still investigating
// a full solution for string manipulation and internationalization.
	$.widget( "ui.autocomplete", $.ui.autocomplete, {
		options: {
			messages: {
				noResults: "No search results.",
				results: function( amount ) {
					return amount + ( amount > 1 ? " results are" : " result is" ) +
						" available, use up and down arrow keys to navigate.";
				}
			}
		},

		__response: function( content ) {
			var message;
			this._superApply( arguments );
			if ( this.options.disabled || this.cancelSearch ) {
				return;
			}
			if ( content && content.length ) {
				message = this.options.messages.results( content.length );
			} else {
				message = this.options.messages.noResults;
			}
			this.liveRegion.children().hide();
			$( "<div>" ).text( message ).appendTo( this.liveRegion );
		}
	} );

	var widgetsAutocomplete = $.ui.autocomplete;


	/*!
 * jQuery UI Controlgroup 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Controlgroup
//>>group: Widgets
//>>description: Visually groups form control widgets
//>>docs: http://api.jqueryui.com/controlgroup/
//>>demos: http://jqueryui.com/controlgroup/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/controlgroup.css
//>>css.theme: ../../themes/base/theme.css


	var controlgroupCornerRegex = /ui-corner-([a-z]){2,6}/g;

	var widgetsControlgroup = $.widget( "ui.controlgroup", {
		version: "1.13.0",
		defaultElement: "<div>",
		options: {
			direction: "horizontal",
			disabled: null,
			onlyVisible: true,
			items: {
				"button": "input[type=button], input[type=submit], input[type=reset], button, a",
				"controlgroupLabel": ".ui-controlgroup-label",
				"checkboxradio": "input[type='checkbox'], input[type='radio']",
				"selectmenu": "select",
				"spinner": ".ui-spinner-input"
			}
		},

		_create: function() {
			this._enhance();
		},

		// To support the enhanced option in jQuery Mobile, we isolate DOM manipulation
		_enhance: function() {
			this.element.attr( "role", "toolbar" );
			this.refresh();
		},

		_destroy: function() {
			this._callChildMethod( "destroy" );
			this.childWidgets.removeData( "ui-controlgroup-data" );
			this.element.removeAttr( "role" );
			if ( this.options.items.controlgroupLabel ) {
				this.element
				.find( this.options.items.controlgroupLabel )
				.find( ".ui-controlgroup-label-contents" )
				.contents().unwrap();
			}
		},

		_initWidgets: function() {
			var that = this,
				childWidgets = [];

			// First we iterate over each of the items options
			$.each( this.options.items, function( widget, selector ) {
				var labels;
				var options = {};

				// Make sure the widget has a selector set
				if ( !selector ) {
					return;
				}

				if ( widget === "controlgroupLabel" ) {
					labels = that.element.find( selector );
					labels.each( function() {
						var element = $( this );

						if ( element.children( ".ui-controlgroup-label-contents" ).length ) {
							return;
						}
						element.contents()
						.wrapAll( "<span class='ui-controlgroup-label-contents'></span>" );
					} );
					that._addClass( labels, null, "ui-widget ui-widget-content ui-state-default" );
					childWidgets = childWidgets.concat( labels.get() );
					return;
				}

				// Make sure the widget actually exists
				if ( !$.fn[ widget ] ) {
					return;
				}

				// We assume everything is in the middle to start because we can't determine
				// first / last elements until all enhancments are done.
				if ( that[ "_" + widget + "Options" ] ) {
					options = that[ "_" + widget + "Options" ]( "middle" );
				} else {
					options = { classes: {} };
				}

				// Find instances of this widget inside controlgroup and init them
				that.element
				.find( selector )
				.each( function() {
					var element = $( this );
					var instance = element[ widget ]( "instance" );

					// We need to clone the default options for this type of widget to avoid
					// polluting the variable options which has a wider scope than a single widget.
					var instanceOptions = $.widget.extend( {}, options );

					// If the button is the child of a spinner ignore it
					// TODO: Find a more generic solution
					if ( widget === "button" && element.parent( ".ui-spinner" ).length ) {
						return;
					}

					// Create the widget if it doesn't exist
					if ( !instance ) {
						instance = element[ widget ]()[ widget ]( "instance" );
					}
					if ( instance ) {
						instanceOptions.classes =
							that._resolveClassesValues( instanceOptions.classes, instance );
					}
					element[ widget ]( instanceOptions );

					// Store an instance of the controlgroup to be able to reference
					// from the outermost element for changing options and refresh
					var widgetElement = element[ widget ]( "widget" );
					$.data( widgetElement[ 0 ], "ui-controlgroup-data",
						instance ? instance : element[ widget ]( "instance" ) );

					childWidgets.push( widgetElement[ 0 ] );
				} );
			} );

			this.childWidgets = $( $.uniqueSort( childWidgets ) );
			this._addClass( this.childWidgets, "ui-controlgroup-item" );
		},

		_callChildMethod: function( method ) {
			this.childWidgets.each( function() {
				var element = $( this ),
					data = element.data( "ui-controlgroup-data" );
				if ( data && data[ method ] ) {
					data[ method ]();
				}
			} );
		},

		_updateCornerClass: function( element, position ) {
			var remove = "ui-corner-top ui-corner-bottom ui-corner-left ui-corner-right ui-corner-all";
			var add = this._buildSimpleOptions( position, "label" ).classes.label;

			this._removeClass( element, null, remove );
			this._addClass( element, null, add );
		},

		_buildSimpleOptions: function( position, key ) {
			var direction = this.options.direction === "vertical";
			var result = {
				classes: {}
			};
			result.classes[ key ] = {
				"middle": "",
				"first": "ui-corner-" + ( direction ? "top" : "left" ),
				"last": "ui-corner-" + ( direction ? "bottom" : "right" ),
				"only": "ui-corner-all"
			}[ position ];

			return result;
		},

		_spinnerOptions: function( position ) {
			var options = this._buildSimpleOptions( position, "ui-spinner" );

			options.classes[ "ui-spinner-up" ] = "";
			options.classes[ "ui-spinner-down" ] = "";

			return options;
		},

		_buttonOptions: function( position ) {
			return this._buildSimpleOptions( position, "ui-button" );
		},

		_checkboxradioOptions: function( position ) {
			return this._buildSimpleOptions( position, "ui-checkboxradio-label" );
		},

		_selectmenuOptions: function( position ) {
			var direction = this.options.direction === "vertical";
			return {
				width: direction ? "auto" : false,
				classes: {
					middle: {
						"ui-selectmenu-button-open": "",
						"ui-selectmenu-button-closed": ""
					},
					first: {
						"ui-selectmenu-button-open": "ui-corner-" + ( direction ? "top" : "tl" ),
						"ui-selectmenu-button-closed": "ui-corner-" + ( direction ? "top" : "left" )
					},
					last: {
						"ui-selectmenu-button-open": direction ? "" : "ui-corner-tr",
						"ui-selectmenu-button-closed": "ui-corner-" + ( direction ? "bottom" : "right" )
					},
					only: {
						"ui-selectmenu-button-open": "ui-corner-top",
						"ui-selectmenu-button-closed": "ui-corner-all"
					}

				}[ position ]
			};
		},

		_resolveClassesValues: function( classes, instance ) {
			var result = {};
			$.each( classes, function( key ) {
				var current = instance.options.classes[ key ] || "";
				current = String.prototype.trim.call( current.replace( controlgroupCornerRegex, "" ) );
				result[ key ] = ( current + " " + classes[ key ] ).replace( /\s+/g, " " );
			} );
			return result;
		},

		_setOption: function( key, value ) {
			if ( key === "direction" ) {
				this._removeClass( "ui-controlgroup-" + this.options.direction );
			}

			this._super( key, value );
			if ( key === "disabled" ) {
				this._callChildMethod( value ? "disable" : "enable" );
				return;
			}

			this.refresh();
		},

		refresh: function() {
			var children,
				that = this;

			this._addClass( "ui-controlgroup ui-controlgroup-" + this.options.direction );

			if ( this.options.direction === "horizontal" ) {
				this._addClass( null, "ui-helper-clearfix" );
			}
			this._initWidgets();

			children = this.childWidgets;

			// We filter here because we need to track all childWidgets not just the visible ones
			if ( this.options.onlyVisible ) {
				children = children.filter( ":visible" );
			}

			if ( children.length ) {

				// We do this last because we need to make sure all enhancment is done
				// before determining first and last
				$.each( [ "first", "last" ], function( index, value ) {
					var instance = children[ value ]().data( "ui-controlgroup-data" );

					if ( instance && that[ "_" + instance.widgetName + "Options" ] ) {
						var options = that[ "_" + instance.widgetName + "Options" ](
							children.length === 1 ? "only" : value
						);
						options.classes = that._resolveClassesValues( options.classes, instance );
						instance.element[ instance.widgetName ]( options );
					} else {
						that._updateCornerClass( children[ value ](), value );
					}
				} );

				// Finally call the refresh method on each of the child widgets.
				this._callChildMethod( "refresh" );
			}
		}
	} );

	/*!
 * jQuery UI Checkboxradio 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Checkboxradio
//>>group: Widgets
//>>description: Enhances a form with multiple themeable checkboxes or radio buttons.
//>>docs: http://api.jqueryui.com/checkboxradio/
//>>demos: http://jqueryui.com/checkboxradio/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/button.css
//>>css.structure: ../../themes/base/checkboxradio.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.checkboxradio", [ $.ui.formResetMixin, {
		version: "1.13.0",
		options: {
			disabled: null,
			label: null,
			icon: true,
			classes: {
				"ui-checkboxradio-label": "ui-corner-all",
				"ui-checkboxradio-icon": "ui-corner-all"
			}
		},

		_getCreateOptions: function() {
			var disabled, labels;
			var that = this;
			var options = this._super() || {};

			// We read the type here, because it makes more sense to throw a element type error first,
			// rather then the error for lack of a label. Often if its the wrong type, it
			// won't have a label (e.g. calling on a div, btn, etc)
			this._readType();

			labels = this.element.labels();

			// If there are multiple labels, use the last one
			this.label = $( labels[ labels.length - 1 ] );
			if ( !this.label.length ) {
				$.error( "No label found for checkboxradio widget" );
			}

			this.originalLabel = "";

			// We need to get the label text but this may also need to make sure it does not contain the
			// input itself.
			this.label.contents().not( this.element[ 0 ] ).each( function() {

				// The label contents could be text, html, or a mix. We concat each element to get a
				// string representation of the label, without the input as part of it.
				that.originalLabel += this.nodeType === 3 ? $( this ).text() : this.outerHTML;
			} );

			// Set the label option if we found label text
			if ( this.originalLabel ) {
				options.label = this.originalLabel;
			}

			disabled = this.element[ 0 ].disabled;
			if ( disabled != null ) {
				options.disabled = disabled;
			}
			return options;
		},

		_create: function() {
			var checked = this.element[ 0 ].checked;

			this._bindFormResetHandler();

			if ( this.options.disabled == null ) {
				this.options.disabled = this.element[ 0 ].disabled;
			}

			this._setOption( "disabled", this.options.disabled );
			this._addClass( "ui-checkboxradio", "ui-helper-hidden-accessible" );
			this._addClass( this.label, "ui-checkboxradio-label", "ui-button ui-widget" );

			if ( this.type === "radio" ) {
				this._addClass( this.label, "ui-checkboxradio-radio-label" );
			}

			if ( this.options.label && this.options.label !== this.originalLabel ) {
				this._updateLabel();
			} else if ( this.originalLabel ) {
				this.options.label = this.originalLabel;
			}

			this._enhance();

			if ( checked ) {
				this._addClass( this.label, "ui-checkboxradio-checked", "ui-state-active" );
			}

			this._on( {
				change: "_toggleClasses",
				focus: function() {
					this._addClass( this.label, null, "ui-state-focus ui-visual-focus" );
				},
				blur: function() {
					this._removeClass( this.label, null, "ui-state-focus ui-visual-focus" );
				}
			} );
		},

		_readType: function() {
			var nodeName = this.element[ 0 ].nodeName.toLowerCase();
			this.type = this.element[ 0 ].type;
			if ( nodeName !== "input" || !/radio|checkbox/.test( this.type ) ) {
				$.error( "Can't create checkboxradio on element.nodeName=" + nodeName +
					" and element.type=" + this.type );
			}
		},

		// Support jQuery Mobile enhanced option
		_enhance: function() {
			this._updateIcon( this.element[ 0 ].checked );
		},

		widget: function() {
			return this.label;
		},

		_getRadioGroup: function() {
			var group;
			var name = this.element[ 0 ].name;
			var nameSelector = "input[name='" + $.escapeSelector( name ) + "']";

			if ( !name ) {
				return $( [] );
			}

			if ( this.form.length ) {
				group = $( this.form[ 0 ].elements ).filter( nameSelector );
			} else {

				// Not inside a form, check all inputs that also are not inside a form
				group = $( nameSelector ).filter( function() {
					return $( this )._form().length === 0;
				} );
			}

			return group.not( this.element );
		},

		_toggleClasses: function() {
			var checked = this.element[ 0 ].checked;
			this._toggleClass( this.label, "ui-checkboxradio-checked", "ui-state-active", checked );

			if ( this.options.icon && this.type === "checkbox" ) {
				this._toggleClass( this.icon, null, "ui-icon-check ui-state-checked", checked )
				._toggleClass( this.icon, null, "ui-icon-blank", !checked );
			}

			if ( this.type === "radio" ) {
				this._getRadioGroup()
				.each( function() {
					var instance = $( this ).checkboxradio( "instance" );

					if ( instance ) {
						instance._removeClass( instance.label,
							"ui-checkboxradio-checked", "ui-state-active" );
					}
				} );
			}
		},

		_destroy: function() {
			this._unbindFormResetHandler();

			if ( this.icon ) {
				this.icon.remove();
				this.iconSpace.remove();
			}
		},

		_setOption: function( key, value ) {

			// We don't allow the value to be set to nothing
			if ( key === "label" && !value ) {
				return;
			}

			this._super( key, value );

			if ( key === "disabled" ) {
				this._toggleClass( this.label, null, "ui-state-disabled", value );
				this.element[ 0 ].disabled = value;

				// Don't refresh when setting disabled
				return;
			}
			this.refresh();
		},

		_updateIcon: function( checked ) {
			var toAdd = "ui-icon ui-icon-background ";

			if ( this.options.icon ) {
				if ( !this.icon ) {
					this.icon = $( "<span>" );
					this.iconSpace = $( "<span> </span>" );
					this._addClass( this.iconSpace, "ui-checkboxradio-icon-space" );
				}

				if ( this.type === "checkbox" ) {
					toAdd += checked ? "ui-icon-check ui-state-checked" : "ui-icon-blank";
					this._removeClass( this.icon, null, checked ? "ui-icon-blank" : "ui-icon-check" );
				} else {
					toAdd += "ui-icon-blank";
				}
				this._addClass( this.icon, "ui-checkboxradio-icon", toAdd );
				if ( !checked ) {
					this._removeClass( this.icon, null, "ui-icon-check ui-state-checked" );
				}
				this.icon.prependTo( this.label ).after( this.iconSpace );
			} else if ( this.icon !== undefined ) {
				this.icon.remove();
				this.iconSpace.remove();
				delete this.icon;
			}
		},

		_updateLabel: function() {

			// Remove the contents of the label ( minus the icon, icon space, and input )
			var contents = this.label.contents().not( this.element[ 0 ] );
			if ( this.icon ) {
				contents = contents.not( this.icon[ 0 ] );
			}
			if ( this.iconSpace ) {
				contents = contents.not( this.iconSpace[ 0 ] );
			}
			contents.remove();

			this.label.append( this.options.label );
		},

		refresh: function() {
			var checked = this.element[ 0 ].checked,
				isDisabled = this.element[ 0 ].disabled;

			this._updateIcon( checked );
			this._toggleClass( this.label, "ui-checkboxradio-checked", "ui-state-active", checked );
			if ( this.options.label !== null ) {
				this._updateLabel();
			}

			if ( isDisabled !== this.options.disabled ) {
				this._setOptions( { "disabled": isDisabled } );
			}
		}

	} ] );

	var widgetsCheckboxradio = $.ui.checkboxradio;


	/*!
 * jQuery UI Button 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Button
//>>group: Widgets
//>>description: Enhances a form with themeable buttons.
//>>docs: http://api.jqueryui.com/button/
//>>demos: http://jqueryui.com/button/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/button.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.button", {
		version: "1.13.0",
		defaultElement: "<button>",
		options: {
			classes: {
				"ui-button": "ui-corner-all"
			},
			disabled: null,
			icon: null,
			iconPosition: "beginning",
			label: null,
			showLabel: true
		},

		_getCreateOptions: function() {
			var disabled,

				// This is to support cases like in jQuery Mobile where the base widget does have
				// an implementation of _getCreateOptions
				options = this._super() || {};

			this.isInput = this.element.is( "input" );

			disabled = this.element[ 0 ].disabled;
			if ( disabled != null ) {
				options.disabled = disabled;
			}

			this.originalLabel = this.isInput ? this.element.val() : this.element.html();
			if ( this.originalLabel ) {
				options.label = this.originalLabel;
			}

			return options;
		},

		_create: function() {
			if ( !this.option.showLabel & !this.options.icon ) {
				this.options.showLabel = true;
			}

			// We have to check the option again here even though we did in _getCreateOptions,
			// because null may have been passed on init which would override what was set in
			// _getCreateOptions
			if ( this.options.disabled == null ) {
				this.options.disabled = this.element[ 0 ].disabled || false;
			}

			this.hasTitle = !!this.element.attr( "title" );

			// Check to see if the label needs to be set or if its already correct
			if ( this.options.label && this.options.label !== this.originalLabel ) {
				if ( this.isInput ) {
					this.element.val( this.options.label );
				} else {
					this.element.html( this.options.label );
				}
			}
			this._addClass( "ui-button", "ui-widget" );
			this._setOption( "disabled", this.options.disabled );
			this._enhance();

			if ( this.element.is( "a" ) ) {
				this._on( {
					"keyup": function( event ) {
						if ( event.keyCode === $.ui.keyCode.SPACE ) {
							event.preventDefault();

							// Support: PhantomJS <= 1.9, IE 8 Only
							// If a native click is available use it so we actually cause navigation
							// otherwise just trigger a click event
							if ( this.element[ 0 ].click ) {
								this.element[ 0 ].click();
							} else {
								this.element.trigger( "click" );
							}
						}
					}
				} );
			}
		},

		_enhance: function() {
			if ( !this.element.is( "button" ) ) {
				this.element.attr( "role", "button" );
			}

			if ( this.options.icon ) {
				this._updateIcon( "icon", this.options.icon );
				this._updateTooltip();
			}
		},

		_updateTooltip: function() {
			this.title = this.element.attr( "title" );

			if ( !this.options.showLabel && !this.title ) {
				this.element.attr( "title", this.options.label );
			}
		},

		_updateIcon: function( option, value ) {
			var icon = option !== "iconPosition",
				position = icon ? this.options.iconPosition : value,
				displayBlock = position === "top" || position === "bottom";

			// Create icon
			if ( !this.icon ) {
				this.icon = $( "<span>" );

				this._addClass( this.icon, "ui-button-icon", "ui-icon" );

				if ( !this.options.showLabel ) {
					this._addClass( "ui-button-icon-only" );
				}
			} else if ( icon ) {

				// If we are updating the icon remove the old icon class
				this._removeClass( this.icon, null, this.options.icon );
			}

			// If we are updating the icon add the new icon class
			if ( icon ) {
				this._addClass( this.icon, null, value );
			}

			this._attachIcon( position );

			// If the icon is on top or bottom we need to add the ui-widget-icon-block class and remove
			// the iconSpace if there is one.
			if ( displayBlock ) {
				this._addClass( this.icon, null, "ui-widget-icon-block" );
				if ( this.iconSpace ) {
					this.iconSpace.remove();
				}
			} else {

				// Position is beginning or end so remove the ui-widget-icon-block class and add the
				// space if it does not exist
				if ( !this.iconSpace ) {
					this.iconSpace = $( "<span> </span>" );
					this._addClass( this.iconSpace, "ui-button-icon-space" );
				}
				this._removeClass( this.icon, null, "ui-wiget-icon-block" );
				this._attachIconSpace( position );
			}
		},

		_destroy: function() {
			this.element.removeAttr( "role" );

			if ( this.icon ) {
				this.icon.remove();
			}
			if ( this.iconSpace ) {
				this.iconSpace.remove();
			}
			if ( !this.hasTitle ) {
				this.element.removeAttr( "title" );
			}
		},

		_attachIconSpace: function( iconPosition ) {
			this.icon[ /^(?:end|bottom)/.test( iconPosition ) ? "before" : "after" ]( this.iconSpace );
		},

		_attachIcon: function( iconPosition ) {
			this.element[ /^(?:end|bottom)/.test( iconPosition ) ? "append" : "prepend" ]( this.icon );
		},

		_setOptions: function( options ) {
			var newShowLabel = options.showLabel === undefined ?
					this.options.showLabel :
					options.showLabel,
				newIcon = options.icon === undefined ? this.options.icon : options.icon;

			if ( !newShowLabel && !newIcon ) {
				options.showLabel = true;
			}
			this._super( options );
		},

		_setOption: function( key, value ) {
			if ( key === "icon" ) {
				if ( value ) {
					this._updateIcon( key, value );
				} else if ( this.icon ) {
					this.icon.remove();
					if ( this.iconSpace ) {
						this.iconSpace.remove();
					}
				}
			}

			if ( key === "iconPosition" ) {
				this._updateIcon( key, value );
			}

			// Make sure we can't end up with a button that has neither text nor icon
			if ( key === "showLabel" ) {
				this._toggleClass( "ui-button-icon-only", null, !value );
				this._updateTooltip();
			}

			if ( key === "label" ) {
				if ( this.isInput ) {
					this.element.val( value );
				} else {

					// If there is an icon, append it, else nothing then append the value
					// this avoids removal of the icon when setting label text
					this.element.html( value );
					if ( this.icon ) {
						this._attachIcon( this.options.iconPosition );
						this._attachIconSpace( this.options.iconPosition );
					}
				}
			}

			this._super( key, value );

			if ( key === "disabled" ) {
				this._toggleClass( null, "ui-state-disabled", value );
				this.element[ 0 ].disabled = value;
				if ( value ) {
					this.element.trigger( "blur" );
				}
			}
		},

		refresh: function() {

			// Make sure to only check disabled if its an element that supports this otherwise
			// check for the disabled class to determine state
			var isDisabled = this.element.is( "input, button" ) ?
				this.element[ 0 ].disabled : this.element.hasClass( "ui-button-disabled" );

			if ( isDisabled !== this.options.disabled ) {
				this._setOptions( { disabled: isDisabled } );
			}

			this._updateTooltip();
		}
	} );

// DEPRECATED
	if ( $.uiBackCompat !== false ) {

		// Text and Icons options
		$.widget( "ui.button", $.ui.button, {
			options: {
				text: true,
				icons: {
					primary: null,
					secondary: null
				}
			},

			_create: function() {
				if ( this.options.showLabel && !this.options.text ) {
					this.options.showLabel = this.options.text;
				}
				if ( !this.options.showLabel && this.options.text ) {
					this.options.text = this.options.showLabel;
				}
				if ( !this.options.icon && ( this.options.icons.primary ||
					this.options.icons.secondary ) ) {
					if ( this.options.icons.primary ) {
						this.options.icon = this.options.icons.primary;
					} else {
						this.options.icon = this.options.icons.secondary;
						this.options.iconPosition = "end";
					}
				} else if ( this.options.icon ) {
					this.options.icons.primary = this.options.icon;
				}
				this._super();
			},

			_setOption: function( key, value ) {
				if ( key === "text" ) {
					this._super( "showLabel", value );
					return;
				}
				if ( key === "showLabel" ) {
					this.options.text = value;
				}
				if ( key === "icon" ) {
					this.options.icons.primary = value;
				}
				if ( key === "icons" ) {
					if ( value.primary ) {
						this._super( "icon", value.primary );
						this._super( "iconPosition", "beginning" );
					} else if ( value.secondary ) {
						this._super( "icon", value.secondary );
						this._super( "iconPosition", "end" );
					}
				}
				this._superApply( arguments );
			}
		} );

		$.fn.button = ( function( orig ) {
			return function( options ) {
				var isMethodCall = typeof options === "string";
				var args = Array.prototype.slice.call( arguments, 1 );
				var returnValue = this;

				if ( isMethodCall ) {

					// If this is an empty collection, we need to have the instance method
					// return undefined instead of the jQuery instance
					if ( !this.length && options === "instance" ) {
						returnValue = undefined;
					} else {
						this.each( function() {
							var methodValue;
							var type = $( this ).attr( "type" );
							var name = type !== "checkbox" && type !== "radio" ?
								"button" :
								"checkboxradio";
							var instance = $.data( this, "ui-" + name );

							if ( options === "instance" ) {
								returnValue = instance;
								return false;
							}

							if ( !instance ) {
								return $.error( "cannot call methods on button" +
									" prior to initialization; " +
									"attempted to call method '" + options + "'" );
							}

							if ( typeof instance[ options ] !== "function" ||
								options.charAt( 0 ) === "_" ) {
								return $.error( "no such method '" + options + "' for button" +
									" widget instance" );
							}

							methodValue = instance[ options ].apply( instance, args );

							if ( methodValue !== instance && methodValue !== undefined ) {
								returnValue = methodValue && methodValue.jquery ?
									returnValue.pushStack( methodValue.get() ) :
									methodValue;
								return false;
							}
						} );
					}
				} else {

					// Allow multiple hashes to be passed on init
					if ( args.length ) {
						options = $.widget.extend.apply( null, [ options ].concat( args ) );
					}

					this.each( function() {
						var type = $( this ).attr( "type" );
						var name = type !== "checkbox" && type !== "radio" ? "button" : "checkboxradio";
						var instance = $.data( this, "ui-" + name );

						if ( instance ) {
							instance.option( options || {} );
							if ( instance._init ) {
								instance._init();
							}
						} else {
							if ( name === "button" ) {
								orig.call( $( this ), options );
								return;
							}

							$( this ).checkboxradio( $.extend( { icon: false }, options ) );
						}
					} );
				}

				return returnValue;
			};
		} )( $.fn.button );

		$.fn.buttonset = function() {
			if ( !$.ui.controlgroup ) {
				$.error( "Controlgroup widget missing" );
			}
			if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" && arguments[ 2 ] ) {
				return this.controlgroup.apply( this,
					[ arguments[ 0 ], "items.button", arguments[ 2 ] ] );
			}
			if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" ) {
				return this.controlgroup.apply( this, [ arguments[ 0 ], "items.button" ] );
			}
			if ( typeof arguments[ 0 ] === "object" && arguments[ 0 ].items ) {
				arguments[ 0 ].items = {
					button: arguments[ 0 ].items
				};
			}
			return this.controlgroup.apply( this, arguments );
		};
	}

	var widgetsButton = $.ui.button;


	/* eslint-disable max-len, camelcase */
	/*!
 * jQuery UI Datepicker 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Datepicker
//>>group: Widgets
//>>description: Displays a calendar from an input or inline for selecting dates.
//>>docs: http://api.jqueryui.com/datepicker/
//>>demos: http://jqueryui.com/datepicker/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/datepicker.css
//>>css.theme: ../../themes/base/theme.css


	$.extend( $.ui, { datepicker: { version: "1.13.0" } } );

	var datepicker_instActive;

	function datepicker_getZindex( elem ) {
		var position, value;
		while ( elem.length && elem[ 0 ] !== document ) {

			// Ignore z-index if position is set to a value where z-index is ignored by the browser
			// This makes behavior of this function consistent across browsers
			// WebKit always returns auto if the element is positioned
			position = elem.css( "position" );
			if ( position === "absolute" || position === "relative" || position === "fixed" ) {

				// IE returns 0 when zIndex is not specified
				// other browsers return a string
				// we ignore the case of nested elements with an explicit value of 0
				// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
				value = parseInt( elem.css( "zIndex" ), 10 );
				if ( !isNaN( value ) && value !== 0 ) {
					return value;
				}
			}
			elem = elem.parent();
		}

		return 0;
	}

	/* Date picker manager.
   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
   Settings for (groups of) date pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

	function Datepicker() {
		this._curInst = null; // The current instance in use
		this._keyEvent = false; // If the last event was a key event
		this._disabledInputs = []; // List of date picker inputs that have been disabled
		this._datepickerShowing = false; // True if the popup picker is showing , false if not
		this._inDialog = false; // True if showing within a "dialog", false if not
		this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division
		this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class
		this._appendClass = "ui-datepicker-append"; // The name of the append marker class
		this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class
		this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class
		this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class
		this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class
		this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class
		this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
		this.regional = []; // Available regional settings, indexed by language code
		this.regional[ "" ] = { // Default regional settings
			closeText: "Done", // Display text for close link
			prevText: "Prev", // Display text for previous month link
			nextText: "Next", // Display text for next month link
			currentText: "Today", // Display text for current month link
			monthNames: [ "January", "February", "March", "April", "May", "June",
				"July", "August", "September", "October", "November", "December" ], // Names of months for drop-down and formatting
			monthNamesShort: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ], // For formatting
			dayNames: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], // For formatting
			dayNamesShort: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], // For formatting
			dayNamesMin: [ "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa" ], // Column headings for days starting at Sunday
			weekHeader: "Wk", // Column header for week of the year
			dateFormat: "mm/dd/yy", // See format options on parseDate
			firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
			isRTL: false, // True if right-to-left language, false if left-to-right
			showMonthAfterYear: false, // True if the year select precedes month, false for month then year
			yearSuffix: "", // Additional text to append to the year in the month headers,
			selectMonthLabel: "Select month", // Invisible label for month selector
			selectYearLabel: "Select year" // Invisible label for year selector
		};
		this._defaults = { // Global defaults for all the date picker instances
			showOn: "focus", // "focus" for popup on focus,
			// "button" for trigger button, or "both" for either
			showAnim: "fadeIn", // Name of jQuery animation for popup
			showOptions: {}, // Options for enhanced animations
			defaultDate: null, // Used when field is blank: actual date,
			// +/-number for offset from today, null for today
			appendText: "", // Display text following the input box, e.g. showing the format
			buttonText: "...", // Text for trigger button
			buttonImage: "", // URL for trigger button image
			buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
			hideIfNoPrevNext: false, // True to hide next/previous month links
			// if not applicable, false to just disable them
			navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
			gotoCurrent: false, // True if today link goes back to current selection instead
			changeMonth: false, // True if month can be selected directly, false if only prev/next
			changeYear: false, // True if year can be selected directly, false if only prev/next
			yearRange: "c-10:c+10", // Range of years to display in drop-down,
			// either relative to today's year (-nn:+nn), relative to currently displayed year
			// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
			showOtherMonths: false, // True to show dates in other months, false to leave blank
			selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
			showWeek: false, // True to show week of the year, false to not show it
			calculateWeek: this.iso8601Week, // How to calculate the week of the year,
			// takes a Date and returns the number of the week for it
			shortYearCutoff: "+10", // Short year values < this are in the current century,
			// > this are in the previous century,
			// string value starting with "+" for current year + value
			minDate: null, // The earliest selectable date, or null for no limit
			maxDate: null, // The latest selectable date, or null for no limit
			duration: "fast", // Duration of display/closure
			beforeShowDay: null, // Function that takes a date and returns an array with
			// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
			// [2] = cell title (optional), e.g. $.datepicker.noWeekends
			beforeShow: null, // Function that takes an input field and
			// returns a set of custom settings for the date picker
			onSelect: null, // Define a callback function when a date is selected
			onChangeMonthYear: null, // Define a callback function when the month or year is changed
			onClose: null, // Define a callback function when the datepicker is closed
			onUpdateDatepicker: null, // Define a callback function when the datepicker is updated
			numberOfMonths: 1, // Number of months to show at a time
			showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
			stepMonths: 1, // Number of months to step back/forward
			stepBigMonths: 12, // Number of months to step back/forward for the big links
			altField: "", // Selector for an alternate field to store selected dates into
			altFormat: "", // The date format to use for the alternate field
			constrainInput: true, // The input is constrained by the current date format
			showButtonPanel: false, // True to show button panel, false to not show it
			autoSize: false, // True to size the input for the date format, false to leave as is
			disabled: false // The initial disabled state
		};
		$.extend( this._defaults, this.regional[ "" ] );
		this.regional.en = $.extend( true, {}, this.regional[ "" ] );
		this.regional[ "en-US" ] = $.extend( true, {}, this.regional.en );
		this.dpDiv = datepicker_bindHover( $( "<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>" ) );
	}

	$.extend( Datepicker.prototype, {

		/* Class name added to elements to indicate already configured with a date picker. */
		markerClassName: "hasDatepicker",

		//Keep track of the maximum number of rows displayed (see #7043)
		maxRows: 4,

		// TODO rename to "widget" when switching to widget factory
		_widgetDatepicker: function() {
			return this.dpDiv;
		},

		/* Override the default settings for all instances of the date picker.
	 * @param  settings  object - the new settings to use as defaults (anonymous object)
	 * @return the manager object
	 */
		setDefaults: function( settings ) {
			datepicker_extendRemove( this._defaults, settings || {} );
			return this;
		},

		/* Attach the date picker to a jQuery selection.
	 * @param  target	element - the target input field or division or span
	 * @param  settings  object - the new settings to use for this date picker instance (anonymous)
	 */
		_attachDatepicker: function( target, settings ) {
			var nodeName, inline, inst;
			nodeName = target.nodeName.toLowerCase();
			inline = ( nodeName === "div" || nodeName === "span" );
			if ( !target.id ) {
				this.uuid += 1;
				target.id = "dp" + this.uuid;
			}
			inst = this._newInst( $( target ), inline );
			inst.settings = $.extend( {}, settings || {} );
			if ( nodeName === "input" ) {
				this._connectDatepicker( target, inst );
			} else if ( inline ) {
				this._inlineDatepicker( target, inst );
			}
		},

		/* Create a new instance object. */
		_newInst: function( target, inline ) {
			var id = target[ 0 ].id.replace( /([^A-Za-z0-9_\-])/g, "\\\\$1" ); // escape jQuery meta chars
			return { id: id, input: target, // associated target
				selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
				drawMonth: 0, drawYear: 0, // month being drawn
				inline: inline, // is datepicker inline or not
				dpDiv: ( !inline ? this.dpDiv : // presentation div
					datepicker_bindHover( $( "<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>" ) ) ) };
		},

		/* Attach the date picker to an input field. */
		_connectDatepicker: function( target, inst ) {
			var input = $( target );
			inst.append = $( [] );
			inst.trigger = $( [] );
			if ( input.hasClass( this.markerClassName ) ) {
				return;
			}
			this._attachments( input, inst );
			input.addClass( this.markerClassName ).on( "keydown", this._doKeyDown ).
			on( "keypress", this._doKeyPress ).on( "keyup", this._doKeyUp );
			this._autoSize( inst );
			$.data( target, "datepicker", inst );

			//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
			if ( inst.settings.disabled ) {
				this._disableDatepicker( target );
			}
		},

		/* Make attachments based on settings. */
		_attachments: function( input, inst ) {
			var showOn, buttonText, buttonImage,
				appendText = this._get( inst, "appendText" ),
				isRTL = this._get( inst, "isRTL" );

			if ( inst.append ) {
				inst.append.remove();
			}
			if ( appendText ) {
				inst.append = $( "<span>" )
				.addClass( this._appendClass )
				.text( appendText );
				input[ isRTL ? "before" : "after" ]( inst.append );
			}

			input.off( "focus", this._showDatepicker );

			if ( inst.trigger ) {
				inst.trigger.remove();
			}

			showOn = this._get( inst, "showOn" );
			if ( showOn === "focus" || showOn === "both" ) { // pop-up date picker when in the marked field
				input.on( "focus", this._showDatepicker );
			}
			if ( showOn === "button" || showOn === "both" ) { // pop-up date picker when button clicked
				buttonText = this._get( inst, "buttonText" );
				buttonImage = this._get( inst, "buttonImage" );

				if ( this._get( inst, "buttonImageOnly" ) ) {
					inst.trigger = $( "<img>" )
					.addClass( this._triggerClass )
					.attr( {
						src: buttonImage,
						alt: buttonText,
						title: buttonText
					} );
				} else {
					inst.trigger = $( "<button type='button'>" )
					.addClass( this._triggerClass );
					if ( buttonImage ) {
						inst.trigger.html(
							$( "<img>" )
							.attr( {
								src: buttonImage,
								alt: buttonText,
								title: buttonText
							} )
						);
					} else {
						inst.trigger.text( buttonText );
					}
				}

				input[ isRTL ? "before" : "after" ]( inst.trigger );
				inst.trigger.on( "click", function() {
					if ( $.datepicker._datepickerShowing && $.datepicker._lastInput === input[ 0 ] ) {
						$.datepicker._hideDatepicker();
					} else if ( $.datepicker._datepickerShowing && $.datepicker._lastInput !== input[ 0 ] ) {
						$.datepicker._hideDatepicker();
						$.datepicker._showDatepicker( input[ 0 ] );
					} else {
						$.datepicker._showDatepicker( input[ 0 ] );
					}
					return false;
				} );
			}
		},

		/* Apply the maximum length for the date format. */
		_autoSize: function( inst ) {
			if ( this._get( inst, "autoSize" ) && !inst.inline ) {
				var findMax, max, maxI, i,
					date = new Date( 2009, 12 - 1, 20 ), // Ensure double digits
					dateFormat = this._get( inst, "dateFormat" );

				if ( dateFormat.match( /[DM]/ ) ) {
					findMax = function( names ) {
						max = 0;
						maxI = 0;
						for ( i = 0; i < names.length; i++ ) {
							if ( names[ i ].length > max ) {
								max = names[ i ].length;
								maxI = i;
							}
						}
						return maxI;
					};
					date.setMonth( findMax( this._get( inst, ( dateFormat.match( /MM/ ) ?
						"monthNames" : "monthNamesShort" ) ) ) );
					date.setDate( findMax( this._get( inst, ( dateFormat.match( /DD/ ) ?
						"dayNames" : "dayNamesShort" ) ) ) + 20 - date.getDay() );
				}
				inst.input.attr( "size", this._formatDate( inst, date ).length );
			}
		},

		/* Attach an inline date picker to a div. */
		_inlineDatepicker: function( target, inst ) {
			var divSpan = $( target );
			if ( divSpan.hasClass( this.markerClassName ) ) {
				return;
			}
			divSpan.addClass( this.markerClassName ).append( inst.dpDiv );
			$.data( target, "datepicker", inst );
			this._setDate( inst, this._getDefaultDate( inst ), true );
			this._updateDatepicker( inst );
			this._updateAlternate( inst );

			//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
			if ( inst.settings.disabled ) {
				this._disableDatepicker( target );
			}

			// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
			// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
			inst.dpDiv.css( "display", "block" );
		},

		/* Pop-up the date picker in a "dialog" box.
	 * @param  input element - ignored
	 * @param  date	string or Date - the initial date to display
	 * @param  onSelect  function - the function to call when a date is selected
	 * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
	 * @param  pos int[2] - coordinates for the dialog's position within the screen or
	 *					event - with x/y coordinates or
	 *					leave empty for default (screen centre)
	 * @return the manager object
	 */
		_dialogDatepicker: function( input, date, onSelect, settings, pos ) {
			var id, browserWidth, browserHeight, scrollX, scrollY,
				inst = this._dialogInst; // internal instance

			if ( !inst ) {
				this.uuid += 1;
				id = "dp" + this.uuid;
				this._dialogInput = $( "<input type='text' id='" + id +
					"' style='position: absolute; top: -100px; width: 0px;'/>" );
				this._dialogInput.on( "keydown", this._doKeyDown );
				$( "body" ).append( this._dialogInput );
				inst = this._dialogInst = this._newInst( this._dialogInput, false );
				inst.settings = {};
				$.data( this._dialogInput[ 0 ], "datepicker", inst );
			}
			datepicker_extendRemove( inst.settings, settings || {} );
			date = ( date && date.constructor === Date ? this._formatDate( inst, date ) : date );
			this._dialogInput.val( date );

			this._pos = ( pos ? ( pos.length ? pos : [ pos.pageX, pos.pageY ] ) : null );
			if ( !this._pos ) {
				browserWidth = document.documentElement.clientWidth;
				browserHeight = document.documentElement.clientHeight;
				scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
				scrollY = document.documentElement.scrollTop || document.body.scrollTop;
				this._pos = // should use actual width/height below
					[ ( browserWidth / 2 ) - 100 + scrollX, ( browserHeight / 2 ) - 150 + scrollY ];
			}

			// Move input on screen for focus, but hidden behind dialog
			this._dialogInput.css( "left", ( this._pos[ 0 ] + 20 ) + "px" ).css( "top", this._pos[ 1 ] + "px" );
			inst.settings.onSelect = onSelect;
			this._inDialog = true;
			this.dpDiv.addClass( this._dialogClass );
			this._showDatepicker( this._dialogInput[ 0 ] );
			if ( $.blockUI ) {
				$.blockUI( this.dpDiv );
			}
			$.data( this._dialogInput[ 0 ], "datepicker", inst );
			return this;
		},

		/* Detach a datepicker from its control.
	 * @param  target	element - the target input field or division or span
	 */
		_destroyDatepicker: function( target ) {
			var nodeName,
				$target = $( target ),
				inst = $.data( target, "datepicker" );

			if ( !$target.hasClass( this.markerClassName ) ) {
				return;
			}

			nodeName = target.nodeName.toLowerCase();
			$.removeData( target, "datepicker" );
			if ( nodeName === "input" ) {
				inst.append.remove();
				inst.trigger.remove();
				$target.removeClass( this.markerClassName ).
				off( "focus", this._showDatepicker ).
				off( "keydown", this._doKeyDown ).
				off( "keypress", this._doKeyPress ).
				off( "keyup", this._doKeyUp );
			} else if ( nodeName === "div" || nodeName === "span" ) {
				$target.removeClass( this.markerClassName ).empty();
			}

			if ( datepicker_instActive === inst ) {
				datepicker_instActive = null;
				this._curInst = null;
			}
		},

		/* Enable the date picker to a jQuery selection.
	 * @param  target	element - the target input field or division or span
	 */
		_enableDatepicker: function( target ) {
			var nodeName, inline,
				$target = $( target ),
				inst = $.data( target, "datepicker" );

			if ( !$target.hasClass( this.markerClassName ) ) {
				return;
			}

			nodeName = target.nodeName.toLowerCase();
			if ( nodeName === "input" ) {
				target.disabled = false;
				inst.trigger.filter( "button" ).
				each( function() {
					this.disabled = false;
				} ).end().
				filter( "img" ).css( { opacity: "1.0", cursor: "" } );
			} else if ( nodeName === "div" || nodeName === "span" ) {
				inline = $target.children( "." + this._inlineClass );
				inline.children().removeClass( "ui-state-disabled" );
				inline.find( "select.ui-datepicker-month, select.ui-datepicker-year" ).
				prop( "disabled", false );
			}
			this._disabledInputs = $.map( this._disabledInputs,

				// Delete entry
				function( value ) {
					return ( value === target ? null : value );
				} );
		},

		/* Disable the date picker to a jQuery selection.
	 * @param  target	element - the target input field or division or span
	 */
		_disableDatepicker: function( target ) {
			var nodeName, inline,
				$target = $( target ),
				inst = $.data( target, "datepicker" );

			if ( !$target.hasClass( this.markerClassName ) ) {
				return;
			}

			nodeName = target.nodeName.toLowerCase();
			if ( nodeName === "input" ) {
				target.disabled = true;
				inst.trigger.filter( "button" ).
				each( function() {
					this.disabled = true;
				} ).end().
				filter( "img" ).css( { opacity: "0.5", cursor: "default" } );
			} else if ( nodeName === "div" || nodeName === "span" ) {
				inline = $target.children( "." + this._inlineClass );
				inline.children().addClass( "ui-state-disabled" );
				inline.find( "select.ui-datepicker-month, select.ui-datepicker-year" ).
				prop( "disabled", true );
			}
			this._disabledInputs = $.map( this._disabledInputs,

				// Delete entry
				function( value ) {
					return ( value === target ? null : value );
				} );
			this._disabledInputs[ this._disabledInputs.length ] = target;
		},

		/* Is the first field in a jQuery collection disabled as a datepicker?
	 * @param  target	element - the target input field or division or span
	 * @return boolean - true if disabled, false if enabled
	 */
		_isDisabledDatepicker: function( target ) {
			if ( !target ) {
				return false;
			}
			for ( var i = 0; i < this._disabledInputs.length; i++ ) {
				if ( this._disabledInputs[ i ] === target ) {
					return true;
				}
			}
			return false;
		},

		/* Retrieve the instance data for the target control.
	 * @param  target  element - the target input field or division or span
	 * @return  object - the associated instance data
	 * @throws  error if a jQuery problem getting data
	 */
		_getInst: function( target ) {
			try {
				return $.data( target, "datepicker" );
			} catch ( err ) {
				throw "Missing instance data for this datepicker";
			}
		},

		/* Update or retrieve the settings for a date picker attached to an input field or division.
	 * @param  target  element - the target input field or division or span
	 * @param  name	object - the new settings to update or
	 *				string - the name of the setting to change or retrieve,
	 *				when retrieving also "all" for all instance settings or
	 *				"defaults" for all global defaults
	 * @param  value   any - the new value for the setting
	 *				(omit if above is an object or to retrieve a value)
	 */
		_optionDatepicker: function( target, name, value ) {
			var settings, date, minDate, maxDate,
				inst = this._getInst( target );

			if ( arguments.length === 2 && typeof name === "string" ) {
				return ( name === "defaults" ? $.extend( {}, $.datepicker._defaults ) :
					( inst ? ( name === "all" ? $.extend( {}, inst.settings ) :
						this._get( inst, name ) ) : null ) );
			}

			settings = name || {};
			if ( typeof name === "string" ) {
				settings = {};
				settings[ name ] = value;
			}

			if ( inst ) {
				if ( this._curInst === inst ) {
					this._hideDatepicker();
				}

				date = this._getDateDatepicker( target, true );
				minDate = this._getMinMaxDate( inst, "min" );
				maxDate = this._getMinMaxDate( inst, "max" );
				datepicker_extendRemove( inst.settings, settings );

				// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
				if ( minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined ) {
					inst.settings.minDate = this._formatDate( inst, minDate );
				}
				if ( maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined ) {
					inst.settings.maxDate = this._formatDate( inst, maxDate );
				}
				if ( "disabled" in settings ) {
					if ( settings.disabled ) {
						this._disableDatepicker( target );
					} else {
						this._enableDatepicker( target );
					}
				}
				this._attachments( $( target ), inst );
				this._autoSize( inst );
				this._setDate( inst, date );
				this._updateAlternate( inst );
				this._updateDatepicker( inst );
			}
		},

		// Change method deprecated
		_changeDatepicker: function( target, name, value ) {
			this._optionDatepicker( target, name, value );
		},

		/* Redraw the date picker attached to an input field or division.
	 * @param  target  element - the target input field or division or span
	 */
		_refreshDatepicker: function( target ) {
			var inst = this._getInst( target );
			if ( inst ) {
				this._updateDatepicker( inst );
			}
		},

		/* Set the dates for a jQuery selection.
	 * @param  target element - the target input field or division or span
	 * @param  date	Date - the new date
	 */
		_setDateDatepicker: function( target, date ) {
			var inst = this._getInst( target );
			if ( inst ) {
				this._setDate( inst, date );
				this._updateDatepicker( inst );
				this._updateAlternate( inst );
			}
		},

		/* Get the date(s) for the first entry in a jQuery selection.
	 * @param  target element - the target input field or division or span
	 * @param  noDefault boolean - true if no default date is to be used
	 * @return Date - the current date
	 */
		_getDateDatepicker: function( target, noDefault ) {
			var inst = this._getInst( target );
			if ( inst && !inst.inline ) {
				this._setDateFromField( inst, noDefault );
			}
			return ( inst ? this._getDate( inst ) : null );
		},

		/* Handle keystrokes. */
		_doKeyDown: function( event ) {
			var onSelect, dateStr, sel,
				inst = $.datepicker._getInst( event.target ),
				handled = true,
				isRTL = inst.dpDiv.is( ".ui-datepicker-rtl" );

			inst._keyEvent = true;
			if ( $.datepicker._datepickerShowing ) {
				switch ( event.keyCode ) {
					case 9: $.datepicker._hideDatepicker();
						handled = false;
						break; // hide on tab out
					case 13: sel = $( "td." + $.datepicker._dayOverClass + ":not(." +
						$.datepicker._currentClass + ")", inst.dpDiv );
						if ( sel[ 0 ] ) {
							$.datepicker._selectDay( event.target, inst.selectedMonth, inst.selectedYear, sel[ 0 ] );
						}

						onSelect = $.datepicker._get( inst, "onSelect" );
						if ( onSelect ) {
							dateStr = $.datepicker._formatDate( inst );

							// Trigger custom callback
							onSelect.apply( ( inst.input ? inst.input[ 0 ] : null ), [ dateStr, inst ] );
						} else {
							$.datepicker._hideDatepicker();
						}

						return false; // don't submit the form
					case 27: $.datepicker._hideDatepicker();
						break; // hide on escape
					case 33: $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
						-$.datepicker._get( inst, "stepBigMonths" ) :
						-$.datepicker._get( inst, "stepMonths" ) ), "M" );
						break; // previous month/year on page up/+ ctrl
					case 34: $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
						+$.datepicker._get( inst, "stepBigMonths" ) :
						+$.datepicker._get( inst, "stepMonths" ) ), "M" );
						break; // next month/year on page down/+ ctrl
					case 35: if ( event.ctrlKey || event.metaKey ) {
						$.datepicker._clearDate( event.target );
					}
						handled = event.ctrlKey || event.metaKey;
						break; // clear on ctrl or command +end
					case 36: if ( event.ctrlKey || event.metaKey ) {
						$.datepicker._gotoToday( event.target );
					}
						handled = event.ctrlKey || event.metaKey;
						break; // current on ctrl or command +home
					case 37: if ( event.ctrlKey || event.metaKey ) {
						$.datepicker._adjustDate( event.target, ( isRTL ? +1 : -1 ), "D" );
					}
						handled = event.ctrlKey || event.metaKey;

						// -1 day on ctrl or command +left
						if ( event.originalEvent.altKey ) {
							$.datepicker._adjustDate( event.target, ( event.ctrlKey ?
								-$.datepicker._get( inst, "stepBigMonths" ) :
								-$.datepicker._get( inst, "stepMonths" ) ), "M" );
						}

						// next month/year on alt +left on Mac
						break;
					case 38: if ( event.ctrlKey || event.metaKey ) {
						$.datepicker._adjustDate( event.target, -7, "D" );
					}
						handled = event.ctrlKey || event.metaKey;
						break; // -1 week on ctrl or command +up
					case 39: if ( event.ctrlKey || event.metaKey ) {
						$.datepicker._adjustDate( event.target, ( isRTL ? -1 : +1 ), "D" );
					}
						handled = event.ctrlKey || event.metaKey;

						// +1 day on ctrl or command +right
						if ( event.originalEvent.altKey ) {
							$.datepicker._adjustDate( event.target, ( event.ctrlKey ?
								+$.datepicker._get( inst, "stepBigMonths" ) :
								+$.datepicker._get( inst, "stepMonths" ) ), "M" );
						}

						// next month/year on alt +right
						break;
					case 40: if ( event.ctrlKey || event.metaKey ) {
						$.datepicker._adjustDate( event.target, +7, "D" );
					}
						handled = event.ctrlKey || event.metaKey;
						break; // +1 week on ctrl or command +down
					default: handled = false;
				}
			} else if ( event.keyCode === 36 && event.ctrlKey ) { // display the date picker on ctrl+home
				$.datepicker._showDatepicker( this );
			} else {
				handled = false;
			}

			if ( handled ) {
				event.preventDefault();
				event.stopPropagation();
			}
		},

		/* Filter entered characters - based on date format. */
		_doKeyPress: function( event ) {
			var chars, chr,
				inst = $.datepicker._getInst( event.target );

			if ( $.datepicker._get( inst, "constrainInput" ) ) {
				chars = $.datepicker._possibleChars( $.datepicker._get( inst, "dateFormat" ) );
				chr = String.fromCharCode( event.charCode == null ? event.keyCode : event.charCode );
				return event.ctrlKey || event.metaKey || ( chr < " " || !chars || chars.indexOf( chr ) > -1 );
			}
		},

		/* Synchronise manual entry and field/alternate field. */
		_doKeyUp: function( event ) {
			var date,
				inst = $.datepicker._getInst( event.target );

			if ( inst.input.val() !== inst.lastVal ) {
				try {
					date = $.datepicker.parseDate( $.datepicker._get( inst, "dateFormat" ),
						( inst.input ? inst.input.val() : null ),
						$.datepicker._getFormatConfig( inst ) );

					if ( date ) { // only if valid
						$.datepicker._setDateFromField( inst );
						$.datepicker._updateAlternate( inst );
						$.datepicker._updateDatepicker( inst );
					}
				} catch ( err ) {
				}
			}
			return true;
		},

		/* Pop-up the date picker for a given input field.
	 * If false returned from beforeShow event handler do not show.
	 * @param  input  element - the input field attached to the date picker or
	 *					event - if triggered by focus
	 */
		_showDatepicker: function( input ) {
			input = input.target || input;
			if ( input.nodeName.toLowerCase() !== "input" ) { // find from button/image trigger
				input = $( "input", input.parentNode )[ 0 ];
			}

			if ( $.datepicker._isDisabledDatepicker( input ) || $.datepicker._lastInput === input ) { // already here
				return;
			}

			var inst, beforeShow, beforeShowSettings, isFixed,
				offset, showAnim, duration;

			inst = $.datepicker._getInst( input );
			if ( $.datepicker._curInst && $.datepicker._curInst !== inst ) {
				$.datepicker._curInst.dpDiv.stop( true, true );
				if ( inst && $.datepicker._datepickerShowing ) {
					$.datepicker._hideDatepicker( $.datepicker._curInst.input[ 0 ] );
				}
			}

			beforeShow = $.datepicker._get( inst, "beforeShow" );
			beforeShowSettings = beforeShow ? beforeShow.apply( input, [ input, inst ] ) : {};
			if ( beforeShowSettings === false ) {
				return;
			}
			datepicker_extendRemove( inst.settings, beforeShowSettings );

			inst.lastVal = null;
			$.datepicker._lastInput = input;
			$.datepicker._setDateFromField( inst );

			if ( $.datepicker._inDialog ) { // hide cursor
				input.value = "";
			}
			if ( !$.datepicker._pos ) { // position below input
				$.datepicker._pos = $.datepicker._findPos( input );
				$.datepicker._pos[ 1 ] += input.offsetHeight; // add the height
			}

			isFixed = false;
			$( input ).parents().each( function() {
				isFixed |= $( this ).css( "position" ) === "fixed";
				return !isFixed;
			} );

			offset = { left: $.datepicker._pos[ 0 ], top: $.datepicker._pos[ 1 ] };
			$.datepicker._pos = null;

			//to avoid flashes on Firefox
			inst.dpDiv.empty();

			// determine sizing offscreen
			inst.dpDiv.css( { position: "absolute", display: "block", top: "-1000px" } );
			$.datepicker._updateDatepicker( inst );

			// fix width for dynamic number of date pickers
			// and adjust position before showing
			offset = $.datepicker._checkOffset( inst, offset, isFixed );
			inst.dpDiv.css( { position: ( $.datepicker._inDialog && $.blockUI ?
					"static" : ( isFixed ? "fixed" : "absolute" ) ), display: "none",
				left: offset.left + "px", top: offset.top + "px" } );

			if ( !inst.inline ) {
				showAnim = $.datepicker._get( inst, "showAnim" );
				duration = $.datepicker._get( inst, "duration" );
				inst.dpDiv.css( "z-index", datepicker_getZindex( $( input ) ) + 1 );
				$.datepicker._datepickerShowing = true;

				if ( $.effects && $.effects.effect[ showAnim ] ) {
					inst.dpDiv.show( showAnim, $.datepicker._get( inst, "showOptions" ), duration );
				} else {
					inst.dpDiv[ showAnim || "show" ]( showAnim ? duration : null );
				}

				if ( $.datepicker._shouldFocusInput( inst ) ) {
					inst.input.trigger( "focus" );
				}

				$.datepicker._curInst = inst;
			}
		},

		/* Generate the date picker content. */
		_updateDatepicker: function( inst ) {
			this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
			datepicker_instActive = inst; // for delegate hover events
			inst.dpDiv.empty().append( this._generateHTML( inst ) );
			this._attachHandlers( inst );

			var origyearshtml,
				numMonths = this._getNumberOfMonths( inst ),
				cols = numMonths[ 1 ],
				width = 17,
				activeCell = inst.dpDiv.find( "." + this._dayOverClass + " a" ),
				onUpdateDatepicker = $.datepicker._get( inst, "onUpdateDatepicker" );

			if ( activeCell.length > 0 ) {
				datepicker_handleMouseover.apply( activeCell.get( 0 ) );
			}

			inst.dpDiv.removeClass( "ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4" ).width( "" );
			if ( cols > 1 ) {
				inst.dpDiv.addClass( "ui-datepicker-multi-" + cols ).css( "width", ( width * cols ) + "em" );
			}
			inst.dpDiv[ ( numMonths[ 0 ] !== 1 || numMonths[ 1 ] !== 1 ? "add" : "remove" ) +
			"Class" ]( "ui-datepicker-multi" );
			inst.dpDiv[ ( this._get( inst, "isRTL" ) ? "add" : "remove" ) +
			"Class" ]( "ui-datepicker-rtl" );

			if ( inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {
				inst.input.trigger( "focus" );
			}

			// Deffered render of the years select (to avoid flashes on Firefox)
			if ( inst.yearshtml ) {
				origyearshtml = inst.yearshtml;
				setTimeout( function() {

					//assure that inst.yearshtml didn't change.
					if ( origyearshtml === inst.yearshtml && inst.yearshtml ) {
						inst.dpDiv.find( "select.ui-datepicker-year" ).first().replaceWith( inst.yearshtml );
					}
					origyearshtml = inst.yearshtml = null;
				}, 0 );
			}

			if ( onUpdateDatepicker ) {
				onUpdateDatepicker.apply( ( inst.input ? inst.input[ 0 ] : null ), [ inst ] );
			}
		},

		// #6694 - don't focus the input if it's already focused
		// this breaks the change event in IE
		// Support: IE and jQuery <1.9
		_shouldFocusInput: function( inst ) {
			return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );
		},

		/* Check positioning to remain on screen. */
		_checkOffset: function( inst, offset, isFixed ) {
			var dpWidth = inst.dpDiv.outerWidth(),
				dpHeight = inst.dpDiv.outerHeight(),
				inputWidth = inst.input ? inst.input.outerWidth() : 0,
				inputHeight = inst.input ? inst.input.outerHeight() : 0,
				viewWidth = document.documentElement.clientWidth + ( isFixed ? 0 : $( document ).scrollLeft() ),
				viewHeight = document.documentElement.clientHeight + ( isFixed ? 0 : $( document ).scrollTop() );

			offset.left -= ( this._get( inst, "isRTL" ) ? ( dpWidth - inputWidth ) : 0 );
			offset.left -= ( isFixed && offset.left === inst.input.offset().left ) ? $( document ).scrollLeft() : 0;
			offset.top -= ( isFixed && offset.top === ( inst.input.offset().top + inputHeight ) ) ? $( document ).scrollTop() : 0;

			// Now check if datepicker is showing outside window viewport - move to a better place if so.
			offset.left -= Math.min( offset.left, ( offset.left + dpWidth > viewWidth && viewWidth > dpWidth ) ?
				Math.abs( offset.left + dpWidth - viewWidth ) : 0 );
			offset.top -= Math.min( offset.top, ( offset.top + dpHeight > viewHeight && viewHeight > dpHeight ) ?
				Math.abs( dpHeight + inputHeight ) : 0 );

			return offset;
		},

		/* Find an object's position on the screen. */
		_findPos: function( obj ) {
			var position,
				inst = this._getInst( obj ),
				isRTL = this._get( inst, "isRTL" );

			while ( obj && ( obj.type === "hidden" || obj.nodeType !== 1 || $.expr.pseudos.hidden( obj ) ) ) {
				obj = obj[ isRTL ? "previousSibling" : "nextSibling" ];
			}

			position = $( obj ).offset();
			return [ position.left, position.top ];
		},

		/* Hide the date picker from view.
	 * @param  input  element - the input field attached to the date picker
	 */
		_hideDatepicker: function( input ) {
			var showAnim, duration, postProcess, onClose,
				inst = this._curInst;

			if ( !inst || ( input && inst !== $.data( input, "datepicker" ) ) ) {
				return;
			}

			if ( this._datepickerShowing ) {
				showAnim = this._get( inst, "showAnim" );
				duration = this._get( inst, "duration" );
				postProcess = function() {
					$.datepicker._tidyDialog( inst );
				};

				// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
				if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
					inst.dpDiv.hide( showAnim, $.datepicker._get( inst, "showOptions" ), duration, postProcess );
				} else {
					inst.dpDiv[ ( showAnim === "slideDown" ? "slideUp" :
						( showAnim === "fadeIn" ? "fadeOut" : "hide" ) ) ]( ( showAnim ? duration : null ), postProcess );
				}

				if ( !showAnim ) {
					postProcess();
				}
				this._datepickerShowing = false;

				onClose = this._get( inst, "onClose" );
				if ( onClose ) {
					onClose.apply( ( inst.input ? inst.input[ 0 ] : null ), [ ( inst.input ? inst.input.val() : "" ), inst ] );
				}

				this._lastInput = null;
				if ( this._inDialog ) {
					this._dialogInput.css( { position: "absolute", left: "0", top: "-100px" } );
					if ( $.blockUI ) {
						$.unblockUI();
						$( "body" ).append( this.dpDiv );
					}
				}
				this._inDialog = false;
			}
		},

		/* Tidy up after a dialog display. */
		_tidyDialog: function( inst ) {
			inst.dpDiv.removeClass( this._dialogClass ).off( ".ui-datepicker-calendar" );
		},

		/* Close date picker if clicked elsewhere. */
		_checkExternalClick: function( event ) {
			if ( !$.datepicker._curInst ) {
				return;
			}

			var $target = $( event.target ),
				inst = $.datepicker._getInst( $target[ 0 ] );

			if ( ( ( $target[ 0 ].id !== $.datepicker._mainDivId &&
					$target.parents( "#" + $.datepicker._mainDivId ).length === 0 &&
					!$target.hasClass( $.datepicker.markerClassName ) &&
					!$target.closest( "." + $.datepicker._triggerClass ).length &&
					$.datepicker._datepickerShowing && !( $.datepicker._inDialog && $.blockUI ) ) ) ||
				( $target.hasClass( $.datepicker.markerClassName ) && $.datepicker._curInst !== inst ) ) {
				$.datepicker._hideDatepicker();
			}
		},

		/* Adjust one of the date sub-fields. */
		_adjustDate: function( id, offset, period ) {
			var target = $( id ),
				inst = this._getInst( target[ 0 ] );

			if ( this._isDisabledDatepicker( target[ 0 ] ) ) {
				return;
			}
			this._adjustInstDate( inst, offset, period );
			this._updateDatepicker( inst );
		},

		/* Action for current link. */
		_gotoToday: function( id ) {
			var date,
				target = $( id ),
				inst = this._getInst( target[ 0 ] );

			if ( this._get( inst, "gotoCurrent" ) && inst.currentDay ) {
				inst.selectedDay = inst.currentDay;
				inst.drawMonth = inst.selectedMonth = inst.currentMonth;
				inst.drawYear = inst.selectedYear = inst.currentYear;
			} else {
				date = new Date();
				inst.selectedDay = date.getDate();
				inst.drawMonth = inst.selectedMonth = date.getMonth();
				inst.drawYear = inst.selectedYear = date.getFullYear();
			}
			this._notifyChange( inst );
			this._adjustDate( target );
		},

		/* Action for selecting a new month/year. */
		_selectMonthYear: function( id, select, period ) {
			var target = $( id ),
				inst = this._getInst( target[ 0 ] );

			inst[ "selected" + ( period === "M" ? "Month" : "Year" ) ] =
				inst[ "draw" + ( period === "M" ? "Month" : "Year" ) ] =
					parseInt( select.options[ select.selectedIndex ].value, 10 );

			this._notifyChange( inst );
			this._adjustDate( target );
		},

		/* Action for selecting a day. */
		_selectDay: function( id, month, year, td ) {
			var inst,
				target = $( id );

			if ( $( td ).hasClass( this._unselectableClass ) || this._isDisabledDatepicker( target[ 0 ] ) ) {
				return;
			}

			inst = this._getInst( target[ 0 ] );
			inst.selectedDay = inst.currentDay = parseInt( $( "a", td ).attr( "data-date" ) );
			inst.selectedMonth = inst.currentMonth = month;
			inst.selectedYear = inst.currentYear = year;
			this._selectDate( id, this._formatDate( inst,
				inst.currentDay, inst.currentMonth, inst.currentYear ) );
		},

		/* Erase the input field and hide the date picker. */
		_clearDate: function( id ) {
			var target = $( id );
			this._selectDate( target, "" );
		},

		/* Update the input field with the selected date. */
		_selectDate: function( id, dateStr ) {
			var onSelect,
				target = $( id ),
				inst = this._getInst( target[ 0 ] );

			dateStr = ( dateStr != null ? dateStr : this._formatDate( inst ) );
			if ( inst.input ) {
				inst.input.val( dateStr );
			}
			this._updateAlternate( inst );

			onSelect = this._get( inst, "onSelect" );
			if ( onSelect ) {
				onSelect.apply( ( inst.input ? inst.input[ 0 ] : null ), [ dateStr, inst ] );  // trigger custom callback
			} else if ( inst.input ) {
				inst.input.trigger( "change" ); // fire the change event
			}

			if ( inst.inline ) {
				this._updateDatepicker( inst );
			} else {
				this._hideDatepicker();
				this._lastInput = inst.input[ 0 ];
				if ( typeof( inst.input[ 0 ] ) !== "object" ) {
					inst.input.trigger( "focus" ); // restore focus
				}
				this._lastInput = null;
			}
		},

		/* Update any alternate field to synchronise with the main field. */
		_updateAlternate: function( inst ) {
			var altFormat, date, dateStr,
				altField = this._get( inst, "altField" );

			if ( altField ) { // update alternate field too
				altFormat = this._get( inst, "altFormat" ) || this._get( inst, "dateFormat" );
				date = this._getDate( inst );
				dateStr = this.formatDate( altFormat, date, this._getFormatConfig( inst ) );
				$( document ).find( altField ).val( dateStr );
			}
		},

		/* Set as beforeShowDay function to prevent selection of weekends.
	 * @param  date  Date - the date to customise
	 * @return [boolean, string] - is this date selectable?, what is its CSS class?
	 */
		noWeekends: function( date ) {
			var day = date.getDay();
			return [ ( day > 0 && day < 6 ), "" ];
		},

		/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
	 * @param  date  Date - the date to get the week for
	 * @return  number - the number of the week within the year that contains this date
	 */
		iso8601Week: function( date ) {
			var time,
				checkDate = new Date( date.getTime() );

			// Find Thursday of this week starting on Monday
			checkDate.setDate( checkDate.getDate() + 4 - ( checkDate.getDay() || 7 ) );

			time = checkDate.getTime();
			checkDate.setMonth( 0 ); // Compare with Jan 1
			checkDate.setDate( 1 );
			return Math.floor( Math.round( ( time - checkDate ) / 86400000 ) / 7 ) + 1;
		},

		/* Parse a string value into a date object.
	 * See formatDate below for the possible formats.
	 *
	 * @param  format string - the expected format of the date
	 * @param  value string - the date in the above format
	 * @param  settings Object - attributes include:
	 *					shortYearCutoff  number - the cutoff year for determining the century (optional)
	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
	 *					dayNames		string[7] - names of the days from Sunday (optional)
	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
	 *					monthNames		string[12] - names of the months (optional)
	 * @return  Date - the extracted date value or null if value is blank
	 */
		parseDate: function( format, value, settings ) {
			if ( format == null || value == null ) {
				throw "Invalid arguments";
			}

			value = ( typeof value === "object" ? value.toString() : value + "" );
			if ( value === "" ) {
				return null;
			}

			var iFormat, dim, extra,
				iValue = 0,
				shortYearCutoffTemp = ( settings ? settings.shortYearCutoff : null ) || this._defaults.shortYearCutoff,
				shortYearCutoff = ( typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp :
					new Date().getFullYear() % 100 + parseInt( shortYearCutoffTemp, 10 ) ),
				dayNamesShort = ( settings ? settings.dayNamesShort : null ) || this._defaults.dayNamesShort,
				dayNames = ( settings ? settings.dayNames : null ) || this._defaults.dayNames,
				monthNamesShort = ( settings ? settings.monthNamesShort : null ) || this._defaults.monthNamesShort,
				monthNames = ( settings ? settings.monthNames : null ) || this._defaults.monthNames,
				year = -1,
				month = -1,
				day = -1,
				doy = -1,
				literal = false,
				date,

				// Check whether a format character is doubled
				lookAhead = function( match ) {
					var matches = ( iFormat + 1 < format.length && format.charAt( iFormat + 1 ) === match );
					if ( matches ) {
						iFormat++;
					}
					return matches;
				},

				// Extract a number from the string value
				getNumber = function( match ) {
					var isDoubled = lookAhead( match ),
						size = ( match === "@" ? 14 : ( match === "!" ? 20 :
							( match === "y" && isDoubled ? 4 : ( match === "o" ? 3 : 2 ) ) ) ),
						minSize = ( match === "y" ? size : 1 ),
						digits = new RegExp( "^\\d{" + minSize + "," + size + "}" ),
						num = value.substring( iValue ).match( digits );
					if ( !num ) {
						throw "Missing number at position " + iValue;
					}
					iValue += num[ 0 ].length;
					return parseInt( num[ 0 ], 10 );
				},

				// Extract a name from the string value and convert to an index
				getName = function( match, shortNames, longNames ) {
					var index = -1,
						names = $.map( lookAhead( match ) ? longNames : shortNames, function( v, k ) {
							return [ [ k, v ] ];
						} ).sort( function( a, b ) {
							return -( a[ 1 ].length - b[ 1 ].length );
						} );

					$.each( names, function( i, pair ) {
						var name = pair[ 1 ];
						if ( value.substr( iValue, name.length ).toLowerCase() === name.toLowerCase() ) {
							index = pair[ 0 ];
							iValue += name.length;
							return false;
						}
					} );
					if ( index !== -1 ) {
						return index + 1;
					} else {
						throw "Unknown name at position " + iValue;
					}
				},

				// Confirm that a literal character matches the string value
				checkLiteral = function() {
					if ( value.charAt( iValue ) !== format.charAt( iFormat ) ) {
						throw "Unexpected literal at position " + iValue;
					}
					iValue++;
				};

			for ( iFormat = 0; iFormat < format.length; iFormat++ ) {
				if ( literal ) {
					if ( format.charAt( iFormat ) === "'" && !lookAhead( "'" ) ) {
						literal = false;
					} else {
						checkLiteral();
					}
				} else {
					switch ( format.charAt( iFormat ) ) {
						case "d":
							day = getNumber( "d" );
							break;
						case "D":
							getName( "D", dayNamesShort, dayNames );
							break;
						case "o":
							doy = getNumber( "o" );
							break;
						case "m":
							month = getNumber( "m" );
							break;
						case "M":
							month = getName( "M", monthNamesShort, monthNames );
							break;
						case "y":
							year = getNumber( "y" );
							break;
						case "@":
							date = new Date( getNumber( "@" ) );
							year = date.getFullYear();
							month = date.getMonth() + 1;
							day = date.getDate();
							break;
						case "!":
							date = new Date( ( getNumber( "!" ) - this._ticksTo1970 ) / 10000 );
							year = date.getFullYear();
							month = date.getMonth() + 1;
							day = date.getDate();
							break;
						case "'":
							if ( lookAhead( "'" ) ) {
								checkLiteral();
							} else {
								literal = true;
							}
							break;
						default:
							checkLiteral();
					}
				}
			}

			if ( iValue < value.length ) {
				extra = value.substr( iValue );
				if ( !/^\s+/.test( extra ) ) {
					throw "Extra/unparsed characters found in date: " + extra;
				}
			}

			if ( year === -1 ) {
				year = new Date().getFullYear();
			} else if ( year < 100 ) {
				year += new Date().getFullYear() - new Date().getFullYear() % 100 +
					( year <= shortYearCutoff ? 0 : -100 );
			}

			if ( doy > -1 ) {
				month = 1;
				day = doy;
				do {
					dim = this._getDaysInMonth( year, month - 1 );
					if ( day <= dim ) {
						break;
					}
					month++;
					day -= dim;
				} while ( true );
			}

			date = this._daylightSavingAdjust( new Date( year, month - 1, day ) );
			if ( date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day ) {
				throw "Invalid date"; // E.g. 31/02/00
			}
			return date;
		},

		/* Standard date formats. */
		ATOM: "yy-mm-dd", // RFC 3339 (ISO 8601)
		COOKIE: "D, dd M yy",
		ISO_8601: "yy-mm-dd",
		RFC_822: "D, d M y",
		RFC_850: "DD, dd-M-y",
		RFC_1036: "D, d M y",
		RFC_1123: "D, d M yy",
		RFC_2822: "D, d M yy",
		RSS: "D, d M y", // RFC 822
		TICKS: "!",
		TIMESTAMP: "@",
		W3C: "yy-mm-dd", // ISO 8601

		_ticksTo1970: ( ( ( 1970 - 1 ) * 365 + Math.floor( 1970 / 4 ) - Math.floor( 1970 / 100 ) +
			Math.floor( 1970 / 400 ) ) * 24 * 60 * 60 * 10000000 ),

		/* Format a date object into a string value.
	 * The format can be combinations of the following:
	 * d  - day of month (no leading zero)
	 * dd - day of month (two digit)
	 * o  - day of year (no leading zeros)
	 * oo - day of year (three digit)
	 * D  - day name short
	 * DD - day name long
	 * m  - month of year (no leading zero)
	 * mm - month of year (two digit)
	 * M  - month name short
	 * MM - month name long
	 * y  - year (two digit)
	 * yy - year (four digit)
	 * @ - Unix timestamp (ms since 01/01/1970)
	 * ! - Windows ticks (100ns since 01/01/0001)
	 * "..." - literal text
	 * '' - single quote
	 *
	 * @param  format string - the desired format of the date
	 * @param  date Date - the date value to format
	 * @param  settings Object - attributes include:
	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
	 *					dayNames		string[7] - names of the days from Sunday (optional)
	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
	 *					monthNames		string[12] - names of the months (optional)
	 * @return  string - the date in the above format
	 */
		formatDate: function( format, date, settings ) {
			if ( !date ) {
				return "";
			}

			var iFormat,
				dayNamesShort = ( settings ? settings.dayNamesShort : null ) || this._defaults.dayNamesShort,
				dayNames = ( settings ? settings.dayNames : null ) || this._defaults.dayNames,
				monthNamesShort = ( settings ? settings.monthNamesShort : null ) || this._defaults.monthNamesShort,
				monthNames = ( settings ? settings.monthNames : null ) || this._defaults.monthNames,

				// Check whether a format character is doubled
				lookAhead = function( match ) {
					var matches = ( iFormat + 1 < format.length && format.charAt( iFormat + 1 ) === match );
					if ( matches ) {
						iFormat++;
					}
					return matches;
				},

				// Format a number, with leading zero if necessary
				formatNumber = function( match, value, len ) {
					var num = "" + value;
					if ( lookAhead( match ) ) {
						while ( num.length < len ) {
							num = "0" + num;
						}
					}
					return num;
				},

				// Format a name, short or long as requested
				formatName = function( match, value, shortNames, longNames ) {
					return ( lookAhead( match ) ? longNames[ value ] : shortNames[ value ] );
				},
				output = "",
				literal = false;

			if ( date ) {
				for ( iFormat = 0; iFormat < format.length; iFormat++ ) {
					if ( literal ) {
						if ( format.charAt( iFormat ) === "'" && !lookAhead( "'" ) ) {
							literal = false;
						} else {
							output += format.charAt( iFormat );
						}
					} else {
						switch ( format.charAt( iFormat ) ) {
							case "d":
								output += formatNumber( "d", date.getDate(), 2 );
								break;
							case "D":
								output += formatName( "D", date.getDay(), dayNamesShort, dayNames );
								break;
							case "o":
								output += formatNumber( "o",
									Math.round( ( new Date( date.getFullYear(), date.getMonth(), date.getDate() ).getTime() - new Date( date.getFullYear(), 0, 0 ).getTime() ) / 86400000 ), 3 );
								break;
							case "m":
								output += formatNumber( "m", date.getMonth() + 1, 2 );
								break;
							case "M":
								output += formatName( "M", date.getMonth(), monthNamesShort, monthNames );
								break;
							case "y":
								output += ( lookAhead( "y" ) ? date.getFullYear() :
									( date.getFullYear() % 100 < 10 ? "0" : "" ) + date.getFullYear() % 100 );
								break;
							case "@":
								output += date.getTime();
								break;
							case "!":
								output += date.getTime() * 10000 + this._ticksTo1970;
								break;
							case "'":
								if ( lookAhead( "'" ) ) {
									output += "'";
								} else {
									literal = true;
								}
								break;
							default:
								output += format.charAt( iFormat );
						}
					}
				}
			}
			return output;
		},

		/* Extract all possible characters from the date format. */
		_possibleChars: function( format ) {
			var iFormat,
				chars = "",
				literal = false,

				// Check whether a format character is doubled
				lookAhead = function( match ) {
					var matches = ( iFormat + 1 < format.length && format.charAt( iFormat + 1 ) === match );
					if ( matches ) {
						iFormat++;
					}
					return matches;
				};

			for ( iFormat = 0; iFormat < format.length; iFormat++ ) {
				if ( literal ) {
					if ( format.charAt( iFormat ) === "'" && !lookAhead( "'" ) ) {
						literal = false;
					} else {
						chars += format.charAt( iFormat );
					}
				} else {
					switch ( format.charAt( iFormat ) ) {
						case "d": case "m": case "y": case "@":
							chars += "0123456789";
							break;
						case "D": case "M":
							return null; // Accept anything
						case "'":
							if ( lookAhead( "'" ) ) {
								chars += "'";
							} else {
								literal = true;
							}
							break;
						default:
							chars += format.charAt( iFormat );
					}
				}
			}
			return chars;
		},

		/* Get a setting value, defaulting if necessary. */
		_get: function( inst, name ) {
			return inst.settings[ name ] !== undefined ?
				inst.settings[ name ] : this._defaults[ name ];
		},

		/* Parse existing date and initialise date picker. */
		_setDateFromField: function( inst, noDefault ) {
			if ( inst.input.val() === inst.lastVal ) {
				return;
			}

			var dateFormat = this._get( inst, "dateFormat" ),
				dates = inst.lastVal = inst.input ? inst.input.val() : null,
				defaultDate = this._getDefaultDate( inst ),
				date = defaultDate,
				settings = this._getFormatConfig( inst );

			try {
				date = this.parseDate( dateFormat, dates, settings ) || defaultDate;
			} catch ( event ) {
				dates = ( noDefault ? "" : dates );
			}
			inst.selectedDay = date.getDate();
			inst.drawMonth = inst.selectedMonth = date.getMonth();
			inst.drawYear = inst.selectedYear = date.getFullYear();
			inst.currentDay = ( dates ? date.getDate() : 0 );
			inst.currentMonth = ( dates ? date.getMonth() : 0 );
			inst.currentYear = ( dates ? date.getFullYear() : 0 );
			this._adjustInstDate( inst );
		},

		/* Retrieve the default date shown on opening. */
		_getDefaultDate: function( inst ) {
			return this._restrictMinMax( inst,
				this._determineDate( inst, this._get( inst, "defaultDate" ), new Date() ) );
		},

		/* A date may be specified as an exact value or a relative one. */
		_determineDate: function( inst, date, defaultDate ) {
			var offsetNumeric = function( offset ) {
					var date = new Date();
					date.setDate( date.getDate() + offset );
					return date;
				},
				offsetString = function( offset ) {
					try {
						return $.datepicker.parseDate( $.datepicker._get( inst, "dateFormat" ),
							offset, $.datepicker._getFormatConfig( inst ) );
					} catch ( e ) {

						// Ignore
					}

					var date = ( offset.toLowerCase().match( /^c/ ) ?
							$.datepicker._getDate( inst ) : null ) || new Date(),
						year = date.getFullYear(),
						month = date.getMonth(),
						day = date.getDate(),
						pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
						matches = pattern.exec( offset );

					while ( matches ) {
						switch ( matches[ 2 ] || "d" ) {
							case "d" : case "D" :
								day += parseInt( matches[ 1 ], 10 ); break;
							case "w" : case "W" :
								day += parseInt( matches[ 1 ], 10 ) * 7; break;
							case "m" : case "M" :
								month += parseInt( matches[ 1 ], 10 );
								day = Math.min( day, $.datepicker._getDaysInMonth( year, month ) );
								break;
							case "y": case "Y" :
								year += parseInt( matches[ 1 ], 10 );
								day = Math.min( day, $.datepicker._getDaysInMonth( year, month ) );
								break;
						}
						matches = pattern.exec( offset );
					}
					return new Date( year, month, day );
				},
				newDate = ( date == null || date === "" ? defaultDate : ( typeof date === "string" ? offsetString( date ) :
					( typeof date === "number" ? ( isNaN( date ) ? defaultDate : offsetNumeric( date ) ) : new Date( date.getTime() ) ) ) );

			newDate = ( newDate && newDate.toString() === "Invalid Date" ? defaultDate : newDate );
			if ( newDate ) {
				newDate.setHours( 0 );
				newDate.setMinutes( 0 );
				newDate.setSeconds( 0 );
				newDate.setMilliseconds( 0 );
			}
			return this._daylightSavingAdjust( newDate );
		},

		/* Handle switch to/from daylight saving.
	 * Hours may be non-zero on daylight saving cut-over:
	 * > 12 when midnight changeover, but then cannot generate
	 * midnight datetime, so jump to 1AM, otherwise reset.
	 * @param  date  (Date) the date to check
	 * @return  (Date) the corrected date
	 */
		_daylightSavingAdjust: function( date ) {
			if ( !date ) {
				return null;
			}
			date.setHours( date.getHours() > 12 ? date.getHours() + 2 : 0 );
			return date;
		},

		/* Set the date(s) directly. */
		_setDate: function( inst, date, noChange ) {
			var clear = !date,
				origMonth = inst.selectedMonth,
				origYear = inst.selectedYear,
				newDate = this._restrictMinMax( inst, this._determineDate( inst, date, new Date() ) );

			inst.selectedDay = inst.currentDay = newDate.getDate();
			inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
			inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
			if ( ( origMonth !== inst.selectedMonth || origYear !== inst.selectedYear ) && !noChange ) {
				this._notifyChange( inst );
			}
			this._adjustInstDate( inst );
			if ( inst.input ) {
				inst.input.val( clear ? "" : this._formatDate( inst ) );
			}
		},

		/* Retrieve the date(s) directly. */
		_getDate: function( inst ) {
			var startDate = ( !inst.currentYear || ( inst.input && inst.input.val() === "" ) ? null :
				this._daylightSavingAdjust( new Date(
					inst.currentYear, inst.currentMonth, inst.currentDay ) ) );
			return startDate;
		},

		/* Attach the onxxx handlers.  These are declared statically so
	 * they work with static code transformers like Caja.
	 */
		_attachHandlers: function( inst ) {
			var stepMonths = this._get( inst, "stepMonths" ),
				id = "#" + inst.id.replace( /\\\\/g, "\\" );
			inst.dpDiv.find( "[data-handler]" ).map( function() {
				var handler = {
					prev: function() {
						$.datepicker._adjustDate( id, -stepMonths, "M" );
					},
					next: function() {
						$.datepicker._adjustDate( id, +stepMonths, "M" );
					},
					hide: function() {
						$.datepicker._hideDatepicker();
					},
					today: function() {
						$.datepicker._gotoToday( id );
					},
					selectDay: function() {
						$.datepicker._selectDay( id, +this.getAttribute( "data-month" ), +this.getAttribute( "data-year" ), this );
						return false;
					},
					selectMonth: function() {
						$.datepicker._selectMonthYear( id, this, "M" );
						return false;
					},
					selectYear: function() {
						$.datepicker._selectMonthYear( id, this, "Y" );
						return false;
					}
				};
				$( this ).on( this.getAttribute( "data-event" ), handler[ this.getAttribute( "data-handler" ) ] );
			} );
		},

		/* Generate the HTML for the current state of the date picker. */
		_generateHTML: function( inst ) {
			var maxDraw, prevText, prev, nextText, next, currentText, gotoDate,
				controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin,
				monthNames, monthNamesShort, beforeShowDay, showOtherMonths,
				selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate,
				cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows,
				printDate, dRow, tbody, daySettings, otherMonth, unselectable,
				tempDate = new Date(),
				today = this._daylightSavingAdjust(
					new Date( tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate() ) ), // clear time
				isRTL = this._get( inst, "isRTL" ),
				showButtonPanel = this._get( inst, "showButtonPanel" ),
				hideIfNoPrevNext = this._get( inst, "hideIfNoPrevNext" ),
				navigationAsDateFormat = this._get( inst, "navigationAsDateFormat" ),
				numMonths = this._getNumberOfMonths( inst ),
				showCurrentAtPos = this._get( inst, "showCurrentAtPos" ),
				stepMonths = this._get( inst, "stepMonths" ),
				isMultiMonth = ( numMonths[ 0 ] !== 1 || numMonths[ 1 ] !== 1 ),
				currentDate = this._daylightSavingAdjust( ( !inst.currentDay ? new Date( 9999, 9, 9 ) :
					new Date( inst.currentYear, inst.currentMonth, inst.currentDay ) ) ),
				minDate = this._getMinMaxDate( inst, "min" ),
				maxDate = this._getMinMaxDate( inst, "max" ),
				drawMonth = inst.drawMonth - showCurrentAtPos,
				drawYear = inst.drawYear;

			if ( drawMonth < 0 ) {
				drawMonth += 12;
				drawYear--;
			}
			if ( maxDate ) {
				maxDraw = this._daylightSavingAdjust( new Date( maxDate.getFullYear(),
					maxDate.getMonth() - ( numMonths[ 0 ] * numMonths[ 1 ] ) + 1, maxDate.getDate() ) );
				maxDraw = ( minDate && maxDraw < minDate ? minDate : maxDraw );
				while ( this._daylightSavingAdjust( new Date( drawYear, drawMonth, 1 ) ) > maxDraw ) {
					drawMonth--;
					if ( drawMonth < 0 ) {
						drawMonth = 11;
						drawYear--;
					}
				}
			}
			inst.drawMonth = drawMonth;
			inst.drawYear = drawYear;

			prevText = this._get( inst, "prevText" );
			prevText = ( !navigationAsDateFormat ? prevText : this.formatDate( prevText,
				this._daylightSavingAdjust( new Date( drawYear, drawMonth - stepMonths, 1 ) ),
				this._getFormatConfig( inst ) ) );

			if ( this._canAdjustMonth( inst, -1, drawYear, drawMonth ) ) {
				prev = $( "<a>" )
				.attr( {
					"class": "ui-datepicker-prev ui-corner-all",
					"data-handler": "prev",
					"data-event": "click",
					title: prevText
				} )
				.append(
					$( "<span>" )
					.addClass( "ui-icon ui-icon-circle-triangle-" +
						( isRTL ? "e" : "w" ) )
					.text( prevText )
				)[ 0 ].outerHTML;
			} else if ( hideIfNoPrevNext ) {
				prev = "";
			} else {
				prev = $( "<a>" )
				.attr( {
					"class": "ui-datepicker-prev ui-corner-all ui-state-disabled",
					title: prevText
				} )
				.append(
					$( "<span>" )
					.addClass( "ui-icon ui-icon-circle-triangle-" +
						( isRTL ? "e" : "w" ) )
					.text( prevText )
				)[ 0 ].outerHTML;
			}

			nextText = this._get( inst, "nextText" );
			nextText = ( !navigationAsDateFormat ? nextText : this.formatDate( nextText,
				this._daylightSavingAdjust( new Date( drawYear, drawMonth + stepMonths, 1 ) ),
				this._getFormatConfig( inst ) ) );

			if ( this._canAdjustMonth( inst, +1, drawYear, drawMonth ) ) {
				next = $( "<a>" )
				.attr( {
					"class": "ui-datepicker-next ui-corner-all",
					"data-handler": "next",
					"data-event": "click",
					title: nextText
				} )
				.append(
					$( "<span>" )
					.addClass( "ui-icon ui-icon-circle-triangle-" +
						( isRTL ? "w" : "e" ) )
					.text( nextText )
				)[ 0 ].outerHTML;
			} else if ( hideIfNoPrevNext ) {
				next = "";
			} else {
				next = $( "<a>" )
				.attr( {
					"class": "ui-datepicker-next ui-corner-all ui-state-disabled",
					title: nextText
				} )
				.append(
					$( "<span>" )
					.attr( "class", "ui-icon ui-icon-circle-triangle-" +
						( isRTL ? "w" : "e" ) )
					.text( nextText )
				)[ 0 ].outerHTML;
			}

			currentText = this._get( inst, "currentText" );
			gotoDate = ( this._get( inst, "gotoCurrent" ) && inst.currentDay ? currentDate : today );
			currentText = ( !navigationAsDateFormat ? currentText :
				this.formatDate( currentText, gotoDate, this._getFormatConfig( inst ) ) );

			controls = "";
			if ( !inst.inline ) {
				controls = $( "<button>" )
				.attr( {
					type: "button",
					"class": "ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all",
					"data-handler": "hide",
					"data-event": "click"
				} )
				.text( this._get( inst, "closeText" ) )[ 0 ].outerHTML;
			}

			buttonPanel = "";
			if ( showButtonPanel ) {
				buttonPanel = $( "<div class='ui-datepicker-buttonpane ui-widget-content'>" )
				.append( isRTL ? controls : "" )
				.append( this._isInRange( inst, gotoDate ) ?
					$( "<button>" )
					.attr( {
						type: "button",
						"class": "ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all",
						"data-handler": "today",
						"data-event": "click"
					} )
					.text( currentText ) :
					"" )
				.append( isRTL ? "" : controls )[ 0 ].outerHTML;
			}

			firstDay = parseInt( this._get( inst, "firstDay" ), 10 );
			firstDay = ( isNaN( firstDay ) ? 0 : firstDay );

			showWeek = this._get( inst, "showWeek" );
			dayNames = this._get( inst, "dayNames" );
			dayNamesMin = this._get( inst, "dayNamesMin" );
			monthNames = this._get( inst, "monthNames" );
			monthNamesShort = this._get( inst, "monthNamesShort" );
			beforeShowDay = this._get( inst, "beforeShowDay" );
			showOtherMonths = this._get( inst, "showOtherMonths" );
			selectOtherMonths = this._get( inst, "selectOtherMonths" );
			defaultDate = this._getDefaultDate( inst );
			html = "";

			for ( row = 0; row < numMonths[ 0 ]; row++ ) {
				group = "";
				this.maxRows = 4;
				for ( col = 0; col < numMonths[ 1 ]; col++ ) {
					selectedDate = this._daylightSavingAdjust( new Date( drawYear, drawMonth, inst.selectedDay ) );
					cornerClass = " ui-corner-all";
					calender = "";
					if ( isMultiMonth ) {
						calender += "<div class='ui-datepicker-group";
						if ( numMonths[ 1 ] > 1 ) {
							switch ( col ) {
								case 0: calender += " ui-datepicker-group-first";
									cornerClass = " ui-corner-" + ( isRTL ? "right" : "left" ); break;
								case numMonths[ 1 ] - 1: calender += " ui-datepicker-group-last";
									cornerClass = " ui-corner-" + ( isRTL ? "left" : "right" ); break;
								default: calender += " ui-datepicker-group-middle"; cornerClass = ""; break;
							}
						}
						calender += "'>";
					}
					calender += "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" + cornerClass + "'>" +
						( /all|left/.test( cornerClass ) && row === 0 ? ( isRTL ? next : prev ) : "" ) +
						( /all|right/.test( cornerClass ) && row === 0 ? ( isRTL ? prev : next ) : "" ) +
						this._generateMonthYearHeader( inst, drawMonth, drawYear, minDate, maxDate,
							row > 0 || col > 0, monthNames, monthNamesShort ) + // draw month headers
						"</div><table class='ui-datepicker-calendar'><thead>" +
						"<tr>";
					thead = ( showWeek ? "<th class='ui-datepicker-week-col'>" + this._get( inst, "weekHeader" ) + "</th>" : "" );
					for ( dow = 0; dow < 7; dow++ ) { // days of the week
						day = ( dow + firstDay ) % 7;
						thead += "<th scope='col'" + ( ( dow + firstDay + 6 ) % 7 >= 5 ? " class='ui-datepicker-week-end'" : "" ) + ">" +
							"<span title='" + dayNames[ day ] + "'>" + dayNamesMin[ day ] + "</span></th>";
					}
					calender += thead + "</tr></thead><tbody>";
					daysInMonth = this._getDaysInMonth( drawYear, drawMonth );
					if ( drawYear === inst.selectedYear && drawMonth === inst.selectedMonth ) {
						inst.selectedDay = Math.min( inst.selectedDay, daysInMonth );
					}
					leadDays = ( this._getFirstDayOfMonth( drawYear, drawMonth ) - firstDay + 7 ) % 7;
					curRows = Math.ceil( ( leadDays + daysInMonth ) / 7 ); // calculate the number of rows to generate
					numRows = ( isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows ); //If multiple months, use the higher number of rows (see #7043)
					this.maxRows = numRows;
					printDate = this._daylightSavingAdjust( new Date( drawYear, drawMonth, 1 - leadDays ) );
					for ( dRow = 0; dRow < numRows; dRow++ ) { // create date picker rows
						calender += "<tr>";
						tbody = ( !showWeek ? "" : "<td class='ui-datepicker-week-col'>" +
							this._get( inst, "calculateWeek" )( printDate ) + "</td>" );
						for ( dow = 0; dow < 7; dow++ ) { // create date picker days
							daySettings = ( beforeShowDay ?
								beforeShowDay.apply( ( inst.input ? inst.input[ 0 ] : null ), [ printDate ] ) : [ true, "" ] );
							otherMonth = ( printDate.getMonth() !== drawMonth );
							unselectable = ( otherMonth && !selectOtherMonths ) || !daySettings[ 0 ] ||
								( minDate && printDate < minDate ) || ( maxDate && printDate > maxDate );
							tbody += "<td class='" +
								( ( dow + firstDay + 6 ) % 7 >= 5 ? " ui-datepicker-week-end" : "" ) + // highlight weekends
								( otherMonth ? " ui-datepicker-other-month" : "" ) + // highlight days from other months
								( ( printDate.getTime() === selectedDate.getTime() && drawMonth === inst.selectedMonth && inst._keyEvent ) || // user pressed key
								( defaultDate.getTime() === printDate.getTime() && defaultDate.getTime() === selectedDate.getTime() ) ?

									// or defaultDate is current printedDate and defaultDate is selectedDate
									" " + this._dayOverClass : "" ) + // highlight selected day
								( unselectable ? " " + this._unselectableClass + " ui-state-disabled" : "" ) +  // highlight unselectable days
								( otherMonth && !showOtherMonths ? "" : " " + daySettings[ 1 ] + // highlight custom dates
									( printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "" ) + // highlight selected day
									( printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "" ) ) + "'" + // highlight today (if different)
								( ( !otherMonth || showOtherMonths ) && daySettings[ 2 ] ? " title='" + daySettings[ 2 ].replace( /'/g, "&#39;" ) + "'" : "" ) + // cell title
								( unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'" ) + ">" + // actions
								( otherMonth && !showOtherMonths ? "&#xa0;" : // display for other months
									( unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" +
										( printDate.getTime() === today.getTime() ? " ui-state-highlight" : "" ) +
										( printDate.getTime() === currentDate.getTime() ? " ui-state-active" : "" ) + // highlight selected day
										( otherMonth ? " ui-priority-secondary" : "" ) + // distinguish dates from other months
										"' href='#' aria-current='" + ( printDate.getTime() === currentDate.getTime() ? "true" : "false" ) + // mark date as selected for screen reader
										"' data-date='" + printDate.getDate() + // store date as data
										"'>" + printDate.getDate() + "</a>" ) ) + "</td>"; // display selectable date
							printDate.setDate( printDate.getDate() + 1 );
							printDate = this._daylightSavingAdjust( printDate );
						}
						calender += tbody + "</tr>";
					}
					drawMonth++;
					if ( drawMonth > 11 ) {
						drawMonth = 0;
						drawYear++;
					}
					calender += "</tbody></table>" + ( isMultiMonth ? "</div>" +
						( ( numMonths[ 0 ] > 0 && col === numMonths[ 1 ] - 1 ) ? "<div class='ui-datepicker-row-break'></div>" : "" ) : "" );
					group += calender;
				}
				html += group;
			}
			html += buttonPanel;
			inst._keyEvent = false;
			return html;
		},

		/* Generate the month and year header. */
		_generateMonthYearHeader: function( inst, drawMonth, drawYear, minDate, maxDate,
																				secondary, monthNames, monthNamesShort ) {

			var inMinYear, inMaxYear, month, years, thisYear, determineYear, year, endYear,
				changeMonth = this._get( inst, "changeMonth" ),
				changeYear = this._get( inst, "changeYear" ),
				showMonthAfterYear = this._get( inst, "showMonthAfterYear" ),
				selectMonthLabel = this._get( inst, "selectMonthLabel" ),
				selectYearLabel = this._get( inst, "selectYearLabel" ),
				html = "<div class='ui-datepicker-title'>",
				monthHtml = "";

			// Month selection
			if ( secondary || !changeMonth ) {
				monthHtml += "<span class='ui-datepicker-month'>" + monthNames[ drawMonth ] + "</span>";
			} else {
				inMinYear = ( minDate && minDate.getFullYear() === drawYear );
				inMaxYear = ( maxDate && maxDate.getFullYear() === drawYear );
				monthHtml += "<select class='ui-datepicker-month' aria-label='" + selectMonthLabel + "' data-handler='selectMonth' data-event='change'>";
				for ( month = 0; month < 12; month++ ) {
					if ( ( !inMinYear || month >= minDate.getMonth() ) && ( !inMaxYear || month <= maxDate.getMonth() ) ) {
						monthHtml += "<option value='" + month + "'" +
							( month === drawMonth ? " selected='selected'" : "" ) +
							">" + monthNamesShort[ month ] + "</option>";
					}
				}
				monthHtml += "</select>";
			}

			if ( !showMonthAfterYear ) {
				html += monthHtml + ( secondary || !( changeMonth && changeYear ) ? "&#xa0;" : "" );
			}

			// Year selection
			if ( !inst.yearshtml ) {
				inst.yearshtml = "";
				if ( secondary || !changeYear ) {
					html += "<span class='ui-datepicker-year'>" + drawYear + "</span>";
				} else {

					// determine range of years to display
					years = this._get( inst, "yearRange" ).split( ":" );
					thisYear = new Date().getFullYear();
					determineYear = function( value ) {
						var year = ( value.match( /c[+\-].*/ ) ? drawYear + parseInt( value.substring( 1 ), 10 ) :
							( value.match( /[+\-].*/ ) ? thisYear + parseInt( value, 10 ) :
								parseInt( value, 10 ) ) );
						return ( isNaN( year ) ? thisYear : year );
					};
					year = determineYear( years[ 0 ] );
					endYear = Math.max( year, determineYear( years[ 1 ] || "" ) );
					year = ( minDate ? Math.max( year, minDate.getFullYear() ) : year );
					endYear = ( maxDate ? Math.min( endYear, maxDate.getFullYear() ) : endYear );
					inst.yearshtml += "<select class='ui-datepicker-year' aria-label='" + selectYearLabel + "' data-handler='selectYear' data-event='change'>";
					for ( ; year <= endYear; year++ ) {
						inst.yearshtml += "<option value='" + year + "'" +
							( year === drawYear ? " selected='selected'" : "" ) +
							">" + year + "</option>";
					}
					inst.yearshtml += "</select>";

					html += inst.yearshtml;
					inst.yearshtml = null;
				}
			}

			html += this._get( inst, "yearSuffix" );
			if ( showMonthAfterYear ) {
				html += ( secondary || !( changeMonth && changeYear ) ? "&#xa0;" : "" ) + monthHtml;
			}
			html += "</div>"; // Close datepicker_header
			return html;
		},

		/* Adjust one of the date sub-fields. */
		_adjustInstDate: function( inst, offset, period ) {
			var year = inst.selectedYear + ( period === "Y" ? offset : 0 ),
				month = inst.selectedMonth + ( period === "M" ? offset : 0 ),
				day = Math.min( inst.selectedDay, this._getDaysInMonth( year, month ) ) + ( period === "D" ? offset : 0 ),
				date = this._restrictMinMax( inst, this._daylightSavingAdjust( new Date( year, month, day ) ) );

			inst.selectedDay = date.getDate();
			inst.drawMonth = inst.selectedMonth = date.getMonth();
			inst.drawYear = inst.selectedYear = date.getFullYear();
			if ( period === "M" || period === "Y" ) {
				this._notifyChange( inst );
			}
		},

		/* Ensure a date is within any min/max bounds. */
		_restrictMinMax: function( inst, date ) {
			var minDate = this._getMinMaxDate( inst, "min" ),
				maxDate = this._getMinMaxDate( inst, "max" ),
				newDate = ( minDate && date < minDate ? minDate : date );
			return ( maxDate && newDate > maxDate ? maxDate : newDate );
		},

		/* Notify change of month/year. */
		_notifyChange: function( inst ) {
			var onChange = this._get( inst, "onChangeMonthYear" );
			if ( onChange ) {
				onChange.apply( ( inst.input ? inst.input[ 0 ] : null ),
					[ inst.selectedYear, inst.selectedMonth + 1, inst ] );
			}
		},

		/* Determine the number of months to show. */
		_getNumberOfMonths: function( inst ) {
			var numMonths = this._get( inst, "numberOfMonths" );
			return ( numMonths == null ? [ 1, 1 ] : ( typeof numMonths === "number" ? [ 1, numMonths ] : numMonths ) );
		},

		/* Determine the current maximum date - ensure no time components are set. */
		_getMinMaxDate: function( inst, minMax ) {
			return this._determineDate( inst, this._get( inst, minMax + "Date" ), null );
		},

		/* Find the number of days in a given month. */
		_getDaysInMonth: function( year, month ) {
			return 32 - this._daylightSavingAdjust( new Date( year, month, 32 ) ).getDate();
		},

		/* Find the day of the week of the first of a month. */
		_getFirstDayOfMonth: function( year, month ) {
			return new Date( year, month, 1 ).getDay();
		},

		/* Determines if we should allow a "next/prev" month display change. */
		_canAdjustMonth: function( inst, offset, curYear, curMonth ) {
			var numMonths = this._getNumberOfMonths( inst ),
				date = this._daylightSavingAdjust( new Date( curYear,
					curMonth + ( offset < 0 ? offset : numMonths[ 0 ] * numMonths[ 1 ] ), 1 ) );

			if ( offset < 0 ) {
				date.setDate( this._getDaysInMonth( date.getFullYear(), date.getMonth() ) );
			}
			return this._isInRange( inst, date );
		},

		/* Is the given date in the accepted range? */
		_isInRange: function( inst, date ) {
			var yearSplit, currentYear,
				minDate = this._getMinMaxDate( inst, "min" ),
				maxDate = this._getMinMaxDate( inst, "max" ),
				minYear = null,
				maxYear = null,
				years = this._get( inst, "yearRange" );
			if ( years ) {
				yearSplit = years.split( ":" );
				currentYear = new Date().getFullYear();
				minYear = parseInt( yearSplit[ 0 ], 10 );
				maxYear = parseInt( yearSplit[ 1 ], 10 );
				if ( yearSplit[ 0 ].match( /[+\-].*/ ) ) {
					minYear += currentYear;
				}
				if ( yearSplit[ 1 ].match( /[+\-].*/ ) ) {
					maxYear += currentYear;
				}
			}

			return ( ( !minDate || date.getTime() >= minDate.getTime() ) &&
				( !maxDate || date.getTime() <= maxDate.getTime() ) &&
				( !minYear || date.getFullYear() >= minYear ) &&
				( !maxYear || date.getFullYear() <= maxYear ) );
		},

		/* Provide the configuration settings for formatting/parsing. */
		_getFormatConfig: function( inst ) {
			var shortYearCutoff = this._get( inst, "shortYearCutoff" );
			shortYearCutoff = ( typeof shortYearCutoff !== "string" ? shortYearCutoff :
				new Date().getFullYear() % 100 + parseInt( shortYearCutoff, 10 ) );
			return { shortYearCutoff: shortYearCutoff,
				dayNamesShort: this._get( inst, "dayNamesShort" ), dayNames: this._get( inst, "dayNames" ),
				monthNamesShort: this._get( inst, "monthNamesShort" ), monthNames: this._get( inst, "monthNames" ) };
		},

		/* Format the given date for display. */
		_formatDate: function( inst, day, month, year ) {
			if ( !day ) {
				inst.currentDay = inst.selectedDay;
				inst.currentMonth = inst.selectedMonth;
				inst.currentYear = inst.selectedYear;
			}
			var date = ( day ? ( typeof day === "object" ? day :
					this._daylightSavingAdjust( new Date( year, month, day ) ) ) :
				this._daylightSavingAdjust( new Date( inst.currentYear, inst.currentMonth, inst.currentDay ) ) );
			return this.formatDate( this._get( inst, "dateFormat" ), date, this._getFormatConfig( inst ) );
		}
	} );

	/*
 * Bind hover events for datepicker elements.
 * Done via delegate so the binding only occurs once in the lifetime of the parent div.
 * Global datepicker_instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
 */
	function datepicker_bindHover( dpDiv ) {
		var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
		return dpDiv.on( "mouseout", selector, function() {
			$( this ).removeClass( "ui-state-hover" );
			if ( this.className.indexOf( "ui-datepicker-prev" ) !== -1 ) {
				$( this ).removeClass( "ui-datepicker-prev-hover" );
			}
			if ( this.className.indexOf( "ui-datepicker-next" ) !== -1 ) {
				$( this ).removeClass( "ui-datepicker-next-hover" );
			}
		} )
		.on( "mouseover", selector, datepicker_handleMouseover );
	}

	function datepicker_handleMouseover() {
		if ( !$.datepicker._isDisabledDatepicker( datepicker_instActive.inline ? datepicker_instActive.dpDiv.parent()[ 0 ] : datepicker_instActive.input[ 0 ] ) ) {
			$( this ).parents( ".ui-datepicker-calendar" ).find( "a" ).removeClass( "ui-state-hover" );
			$( this ).addClass( "ui-state-hover" );
			if ( this.className.indexOf( "ui-datepicker-prev" ) !== -1 ) {
				$( this ).addClass( "ui-datepicker-prev-hover" );
			}
			if ( this.className.indexOf( "ui-datepicker-next" ) !== -1 ) {
				$( this ).addClass( "ui-datepicker-next-hover" );
			}
		}
	}

	/* jQuery extend now ignores nulls! */
	function datepicker_extendRemove( target, props ) {
		$.extend( target, props );
		for ( var name in props ) {
			if ( props[ name ] == null ) {
				target[ name ] = props[ name ];
			}
		}
		return target;
	}

	/* Invoke the datepicker functionality.
   @param  options  string - a command, optionally followed by additional parameters or
					Object - settings for attaching new datepicker functionality
   @return  jQuery object */
	$.fn.datepicker = function( options ) {

		/* Verify an empty collection wasn't passed - Fixes #6976 */
		if ( !this.length ) {
			return this;
		}

		/* Initialise the date picker. */
		if ( !$.datepicker.initialized ) {
			$( document ).on( "mousedown", $.datepicker._checkExternalClick );
			$.datepicker.initialized = true;
		}

		/* Append datepicker main container to body if not exist. */
		if ( $( "#" + $.datepicker._mainDivId ).length === 0 ) {
			$( "body" ).append( $.datepicker.dpDiv );
		}

		var otherArgs = Array.prototype.slice.call( arguments, 1 );
		if ( typeof options === "string" && ( options === "isDisabled" || options === "getDate" || options === "widget" ) ) {
			return $.datepicker[ "_" + options + "Datepicker" ].
			apply( $.datepicker, [ this[ 0 ] ].concat( otherArgs ) );
		}
		if ( options === "option" && arguments.length === 2 && typeof arguments[ 1 ] === "string" ) {
			return $.datepicker[ "_" + options + "Datepicker" ].
			apply( $.datepicker, [ this[ 0 ] ].concat( otherArgs ) );
		}
		return this.each( function() {
			if ( typeof options === "string" ) {
				$.datepicker[ "_" + options + "Datepicker" ]
				.apply( $.datepicker, [ this ].concat( otherArgs ) );
			} else {
				$.datepicker._attachDatepicker( this, options );
			}
		} );
	};

	$.datepicker = new Datepicker(); // singleton instance
	$.datepicker.initialized = false;
	$.datepicker.uuid = new Date().getTime();
	$.datepicker.version = "1.13.0";

	var widgetsDatepicker = $.datepicker;



// This file is deprecated
	var ie = $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );

	/*!
 * jQuery UI Mouse 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Mouse
//>>group: Widgets
//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
//>>docs: http://api.jqueryui.com/mouse/


	var mouseHandled = false;
	$( document ).on( "mouseup", function() {
		mouseHandled = false;
	} );

	var widgetsMouse = $.widget( "ui.mouse", {
		version: "1.13.0",
		options: {
			cancel: "input, textarea, button, select, option",
			distance: 1,
			delay: 0
		},
		_mouseInit: function() {
			var that = this;

			this.element
			.on( "mousedown." + this.widgetName, function( event ) {
				return that._mouseDown( event );
			} )
			.on( "click." + this.widgetName, function( event ) {
				if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
					$.removeData( event.target, that.widgetName + ".preventClickEvent" );
					event.stopImmediatePropagation();
					return false;
				}
			} );

			this.started = false;
		},

		// TODO: make sure destroying one instance of mouse doesn't mess with
		// other instances of mouse
		_mouseDestroy: function() {
			this.element.off( "." + this.widgetName );
			if ( this._mouseMoveDelegate ) {
				this.document
				.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
				.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
			}
		},

		_mouseDown: function( event ) {

			// don't let more than one widget handle mouseStart
			if ( mouseHandled ) {
				return;
			}

			this._mouseMoved = false;

			// We may have missed mouseup (out of window)
			if ( this._mouseStarted ) {
				this._mouseUp( event );
			}

			this._mouseDownEvent = event;

			var that = this,
				btnIsLeft = ( event.which === 1 ),

				// event.target.nodeName works around a bug in IE 8 with
				// disabled inputs (#7620)
				elIsCancel = ( typeof this.options.cancel === "string" && event.target.nodeName ?
					$( event.target ).closest( this.options.cancel ).length : false );
			if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
				return true;
			}

			this.mouseDelayMet = !this.options.delay;
			if ( !this.mouseDelayMet ) {
				this._mouseDelayTimer = setTimeout( function() {
					that.mouseDelayMet = true;
				}, this.options.delay );
			}

			if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
				this._mouseStarted = ( this._mouseStart( event ) !== false );
				if ( !this._mouseStarted ) {
					event.preventDefault();
					return true;
				}
			}

			// Click event may never have fired (Gecko & Opera)
			if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
				$.removeData( event.target, this.widgetName + ".preventClickEvent" );
			}

			// These delegates are required to keep context
			this._mouseMoveDelegate = function( event ) {
				return that._mouseMove( event );
			};
			this._mouseUpDelegate = function( event ) {
				return that._mouseUp( event );
			};

			this.document
			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
			.on( "mouseup." + this.widgetName, this._mouseUpDelegate );

			if (this.widgetName === 'slider') {
				// Prevent tragging of slider handle(anchor) in Firefox
				event.preventDefault();
			}

			mouseHandled = true;
			return true;
		},

		_mouseMove: function( event ) {

			// Only check for mouseups outside the document if you've moved inside the document
			// at least once. This prevents the firing of mouseup in the case of IE<9, which will
			// fire a mousemove event if content is placed under the cursor. See #7778
			// Support: IE <9
			if ( this._mouseMoved ) {

				// IE mouseup check - mouseup happened when mouse was out of window
				if ( $.ui.ie && ( !document.documentMode || document.documentMode < 9 ) &&
					!event.button ) {
					return this._mouseUp( event );

					// Iframe mouseup check - mouseup occurred in another document
				} else if ( !event.which ) {

					// Support: Safari <=8 - 9
					// Safari sets which to 0 if you press any of the following keys
					// during a drag (#14461)
					if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
						event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
						this.ignoreMissingWhich = true;
					} else if ( !this.ignoreMissingWhich ) {
						return this._mouseUp( event );
					}
				}
			}

			if ( event.which || event.button ) {
				this._mouseMoved = true;
			}

			if ( this._mouseStarted ) {
				this._mouseDrag( event );
				return event.preventDefault();
			}

			if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
				this._mouseStarted =
					( this._mouseStart( this._mouseDownEvent, event ) !== false );
				if ( this._mouseStarted ) {
					this._mouseDrag( event );
				} else {
					this._mouseUp( event );
				}
			}

			return !this._mouseStarted;
		},

		_mouseUp: function( event ) {
			this.document
			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
			.off( "mouseup." + this.widgetName, this._mouseUpDelegate );

			if ( this._mouseStarted ) {
				this._mouseStarted = false;

				if ( event.target === this._mouseDownEvent.target ) {
					$.data( event.target, this.widgetName + ".preventClickEvent", true );
				}

				this._mouseStop( event );
			}

			if ( this._mouseDelayTimer ) {
				clearTimeout( this._mouseDelayTimer );
				delete this._mouseDelayTimer;
			}

			this.ignoreMissingWhich = false;
			mouseHandled = false;
			event.preventDefault();
		},

		_mouseDistanceMet: function( event ) {
			return ( Math.max(
					Math.abs( this._mouseDownEvent.pageX - event.pageX ),
					Math.abs( this._mouseDownEvent.pageY - event.pageY )
				) >= this.options.distance
			);
		},

		_mouseDelayMet: function( /* event */ ) {
			return this.mouseDelayMet;
		},

		// These are placeholder methods, to be overriden by extending plugin
		_mouseStart: function( /* event */ ) {},
		_mouseDrag: function( /* event */ ) {},
		_mouseStop: function( /* event */ ) {},
		_mouseCapture: function( /* event */ ) {
			return true;
		}
	} );



// $.ui.plugin is deprecated. Use $.widget() extensions instead.
	var plugin = $.ui.plugin = {
		add: function( module, option, set ) {
			var i,
				proto = $.ui[ module ].prototype;
			for ( i in set ) {
				proto.plugins[ i ] = proto.plugins[ i ] || [];
				proto.plugins[ i ].push( [ option, set[ i ] ] );
			}
		},
		call: function( instance, name, args, allowDisconnected ) {
			var i,
				set = instance.plugins[ name ];

			if ( !set ) {
				return;
			}

			if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode ||
				instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
				return;
			}

			for ( i = 0; i < set.length; i++ ) {
				if ( instance.options[ set[ i ][ 0 ] ] ) {
					set[ i ][ 1 ].apply( instance.element, args );
				}
			}
		}
	};



	var safeBlur = $.ui.safeBlur = function( element ) {

		// Support: IE9 - 10 only
		// If the <body> is blurred, IE will switch windows, see #9420
		if ( element && element.nodeName.toLowerCase() !== "body" ) {
			$( element ).trigger( "blur" );
		}
	};


	/*!
 * jQuery UI Draggable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Draggable
//>>group: Interactions
//>>description: Enables dragging functionality for any element.
//>>docs: http://api.jqueryui.com/draggable/
//>>demos: http://jqueryui.com/draggable/
//>>css.structure: ../../themes/base/draggable.css


	$.widget( "ui.draggable", $.ui.mouse, {
		version: "1.13.0",
		widgetEventPrefix: "drag",
		options: {
			addClasses: true,
			appendTo: "parent",
			axis: false,
			connectToSortable: false,
			containment: false,
			cursor: "auto",
			cursorAt: false,
			grid: false,
			handle: false,
			helper: "original",
			iframeFix: false,
			opacity: false,
			refreshPositions: false,
			revert: false,
			revertDuration: 500,
			scope: "default",
			scroll: true,
			scrollSensitivity: 20,
			scrollSpeed: 20,
			snap: false,
			snapMode: "both",
			snapTolerance: 20,
			stack: false,
			zIndex: false,

			// Callbacks
			drag: null,
			start: null,
			stop: null
		},
		_create: function() {

			if ( this.options.helper === "original" ) {
				this._setPositionRelative();
			}
			if ( this.options.addClasses ) {
				this._addClass( "ui-draggable" );
			}
			this._setHandleClassName();

			this._mouseInit();
		},

		_setOption: function( key, value ) {
			this._super( key, value );
			if ( key === "handle" ) {
				this._removeHandleClassName();
				this._setHandleClassName();
			}
		},

		_destroy: function() {
			if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
				this.destroyOnClear = true;
				return;
			}
			this._removeHandleClassName();
			this._mouseDestroy();
		},

		_mouseCapture: function( event ) {
			var o = this.options;

			// Among others, prevent a drag on a resizable-handle
			if ( this.helper || o.disabled ||
				$( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
				return false;
			}

			//Quit if we're not on a valid handle
			this.handle = this._getHandle( event );
			if ( !this.handle ) {
				return false;
			}

			this._blurActiveElement( event );

			this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );

			return true;

		},

		_blockFrames: function( selector ) {
			this.iframeBlocks = this.document.find( selector ).map( function() {
				var iframe = $( this );

				return $( "<div>" )
				.css( "position", "absolute" )
				.appendTo( iframe.parent() )
				.outerWidth( iframe.outerWidth() )
				.outerHeight( iframe.outerHeight() )
				.offset( iframe.offset() )[ 0 ];
			} );
		},

		_unblockFrames: function() {
			if ( this.iframeBlocks ) {
				this.iframeBlocks.remove();
				delete this.iframeBlocks;
			}
		},

		_blurActiveElement: function( event ) {
			var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
				target = $( event.target );

			// Don't blur if the event occurred on an element that is within
			// the currently focused element
			// See #10527, #12472
			if ( target.closest( activeElement ).length ) {
				return;
			}

			// Blur any element that currently has focus, see #4261
			$.ui.safeBlur( activeElement );
		},

		_mouseStart: function( event ) {

			var o = this.options;

			//Create and append the visible helper
			this.helper = this._createHelper( event );

			this._addClass( this.helper, "ui-draggable-dragging" );

			//Cache the helper size
			this._cacheHelperProportions();

			//If ddmanager is used for droppables, set the global draggable
			if ( $.ui.ddmanager ) {
				$.ui.ddmanager.current = this;
			}

			/*
		 * - Position generation -
		 * This block generates everything position related - it's the core of draggables.
		 */

			//Cache the margins of the original element
			this._cacheMargins();

			//Store the helper's css position
			this.cssPosition = this.helper.css( "position" );
			this.scrollParent = this.helper.scrollParent( true );
			this.offsetParent = this.helper.offsetParent();
			this.hasFixedAncestor = this.helper.parents().filter( function() {
				return $( this ).css( "position" ) === "fixed";
			} ).length > 0;

			//The element's absolute position on the page minus margins
			this.positionAbs = this.element.offset();
			this._refreshOffsets( event );

			//Generate the original position
			this.originalPosition = this.position = this._generatePosition( event, false );
			this.originalPageX = event.pageX;
			this.originalPageY = event.pageY;

			//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
			if ( o.cursorAt ) {
				this._adjustOffsetFromHelper( o.cursorAt );
			}

			//Set a containment if given in the options
			this._setContainment();

			//Trigger event + callbacks
			if ( this._trigger( "start", event ) === false ) {
				this._clear();
				return false;
			}

			//Recache the helper size
			this._cacheHelperProportions();

			//Prepare the droppable offsets
			if ( $.ui.ddmanager && !o.dropBehaviour ) {
				$.ui.ddmanager.prepareOffsets( this, event );
			}

			// Execute the drag once - this causes the helper not to be visible before getting its
			// correct position
			this._mouseDrag( event, true );

			// If the ddmanager is used for droppables, inform the manager that dragging has started
			// (see #5003)
			if ( $.ui.ddmanager ) {
				$.ui.ddmanager.dragStart( this, event );
			}

			return true;
		},

		_refreshOffsets: function( event ) {
			this.offset = {
				top: this.positionAbs.top - this.margins.top,
				left: this.positionAbs.left - this.margins.left,
				scroll: false,
				parent: this._getParentOffset(),
				relative: this._getRelativeOffset()
			};

			this.offset.click = {
				left: event.pageX - this.offset.left,
				top: event.pageY - this.offset.top
			};
		},

		_mouseDrag: function( event, noPropagation ) {

			// reset any necessary cached properties (see #5009)
			if ( this.hasFixedAncestor ) {
				this.offset.parent = this._getParentOffset();
			}

			//Compute the helpers position
			this.position = this._generatePosition( event, true );
			this.positionAbs = this._convertPositionTo( "absolute" );

			//Call plugins and callbacks and use the resulting position if something is returned
			if ( !noPropagation ) {
				var ui = this._uiHash();
				if ( this._trigger( "drag", event, ui ) === false ) {
					this._mouseUp( new $.Event( "mouseup", event ) );
					return false;
				}
				this.position = ui.position;
			}

			this.helper[ 0 ].style.left = this.position.left + "px";
			this.helper[ 0 ].style.top = this.position.top + "px";

			if ( $.ui.ddmanager ) {
				$.ui.ddmanager.drag( this, event );
			}

			return false;
		},

		_mouseStop: function( event ) {

			//If we are using droppables, inform the manager about the drop
			var that = this,
				dropped = false;
			if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
				dropped = $.ui.ddmanager.drop( this, event );
			}

			//if a drop comes from outside (a sortable)
			if ( this.dropped ) {
				dropped = this.dropped;
				this.dropped = false;
			}

			if ( ( this.options.revert === "invalid" && !dropped ) ||
				( this.options.revert === "valid" && dropped ) ||
				this.options.revert === true || ( typeof this.options.revert === "function" &&
					this.options.revert.call( this.element, dropped ) )
			) {
				$( this.helper ).animate(
					this.originalPosition,
					parseInt( this.options.revertDuration, 10 ),
					function() {
						if ( that._trigger( "stop", event ) !== false ) {
							that._clear();
						}
					}
				);
			} else {
				if ( this._trigger( "stop", event ) !== false ) {
					this._clear();
				}
			}

			return false;
		},

		_mouseUp: function( event ) {
			this._unblockFrames();

			// If the ddmanager is used for droppables, inform the manager that dragging has stopped
			// (see #5003)
			if ( $.ui.ddmanager ) {
				$.ui.ddmanager.dragStop( this, event );
			}

			// Only need to focus if the event occurred on the draggable itself, see #10527
			if ( this.handleElement.is( event.target ) ) {

				// The interaction is over; whether or not the click resulted in a drag,
				// focus the element
				this.element.trigger( "focus" );
			}

			return $.ui.mouse.prototype._mouseUp.call( this, event );
		},

		cancel: function() {

			if ( this.helper.is( ".ui-draggable-dragging" ) ) {
				this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
			} else {
				this._clear();
			}

			return this;

		},

		_getHandle: function( event ) {
			return this.options.handle ?
				!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
				true;
		},

		_setHandleClassName: function() {
			this.handleElement = this.options.handle ?
				this.element.find( this.options.handle ) : this.element;
			this._addClass( this.handleElement, "ui-draggable-handle" );
		},

		_removeHandleClassName: function() {
			this._removeClass( this.handleElement, "ui-draggable-handle" );
		},

		_createHelper: function( event ) {

			var o = this.options,
				helperIsFunction = typeof o.helper === "function",
				helper = helperIsFunction ?
					$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
					( o.helper === "clone" ?
						this.element.clone().removeAttr( "id" ) :
						this.element );

			if ( !helper.parents( "body" ).length ) {
				helper.appendTo( ( o.appendTo === "parent" ?
					this.element[ 0 ].parentNode :
					o.appendTo ) );
			}

			// Http://bugs.jqueryui.com/ticket/9446
			// a helper function can return the original element
			// which wouldn't have been set to relative in _create
			if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
				this._setPositionRelative();
			}

			if ( helper[ 0 ] !== this.element[ 0 ] &&
				!( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
				helper.css( "position", "absolute" );
			}

			return helper;

		},

		_setPositionRelative: function() {
			if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
				this.element[ 0 ].style.position = "relative";
			}
		},

		_adjustOffsetFromHelper: function( obj ) {
			if ( typeof obj === "string" ) {
				obj = obj.split( " " );
			}
			if ( Array.isArray( obj ) ) {
				obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
			}
			if ( "left" in obj ) {
				this.offset.click.left = obj.left + this.margins.left;
			}
			if ( "right" in obj ) {
				this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
			}
			if ( "top" in obj ) {
				this.offset.click.top = obj.top + this.margins.top;
			}
			if ( "bottom" in obj ) {
				this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
			}
		},

		_isRootNode: function( element ) {
			return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
		},

		_getParentOffset: function() {

			//Get the offsetParent and cache its position
			var po = this.offsetParent.offset(),
				document = this.document[ 0 ];

			// This is a special case where we need to modify a offset calculated on start, since the
			// following happened:
			// 1. The position of the helper is absolute, so it's position is calculated based on the
			// next positioned parent
			// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
			// the document, which means that the scroll is included in the initial calculation of the
			// offset of the parent, and never recalculated upon drag
			if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== document &&
				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
				po.left += this.scrollParent.scrollLeft();
				po.top += this.scrollParent.scrollTop();
			}

			if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
				po = { top: 0, left: 0 };
			}

			return {
				top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
				left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
			};

		},

		_getRelativeOffset: function() {
			if ( this.cssPosition !== "relative" ) {
				return { top: 0, left: 0 };
			}

			var p = this.element.position(),
				scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );

			return {
				top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
					( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
				left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
					( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
			};

		},

		_cacheMargins: function() {
			this.margins = {
				left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
				top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
				right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
				bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
			};
		},

		_cacheHelperProportions: function() {
			this.helperProportions = {
				width: this.helper.outerWidth(),
				height: this.helper.outerHeight()
			};
		},

		_setContainment: function() {

			var isUserScrollable, c, ce,
				o = this.options,
				document = this.document[ 0 ];

			this.relativeContainer = null;

			if ( !o.containment ) {
				this.containment = null;
				return;
			}

			if ( o.containment === "window" ) {
				this.containment = [
					$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
					$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
					$( window ).scrollLeft() + $( window ).width() -
					this.helperProportions.width - this.margins.left,
					$( window ).scrollTop() +
					( $( window ).height() || document.body.parentNode.scrollHeight ) -
					this.helperProportions.height - this.margins.top
				];
				return;
			}

			if ( o.containment === "document" ) {
				this.containment = [
					0,
					0,
					$( document ).width() - this.helperProportions.width - this.margins.left,
					( $( document ).height() || document.body.parentNode.scrollHeight ) -
					this.helperProportions.height - this.margins.top
				];
				return;
			}

			if ( o.containment.constructor === Array ) {
				this.containment = o.containment;
				return;
			}

			if ( o.containment === "parent" ) {
				o.containment = this.helper[ 0 ].parentNode;
			}

			c = $( o.containment );
			ce = c[ 0 ];

			if ( !ce ) {
				return;
			}

			isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );

			this.containment = [
				( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
				( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
				( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
				( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
				( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
				this.helperProportions.width -
				this.margins.left -
				this.margins.right,
				( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
				this.helperProportions.height -
				this.margins.top -
				this.margins.bottom
			];
			this.relativeContainer = c;
		},

		_convertPositionTo: function( d, pos ) {

			if ( !pos ) {
				pos = this.position;
			}

			var mod = d === "absolute" ? 1 : -1,
				scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );

			return {
				top: (

					// The absolute mouse position
					pos.top	+

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.top * mod +

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.top * mod -
					( ( this.cssPosition === "fixed" ?
						-this.offset.scroll.top :
						( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
				),
				left: (

					// The absolute mouse position
					pos.left +

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.left * mod +

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.left * mod	-
					( ( this.cssPosition === "fixed" ?
						-this.offset.scroll.left :
						( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
				)
			};

		},

		_generatePosition: function( event, constrainPosition ) {

			var containment, co, top, left,
				o = this.options,
				scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
				pageX = event.pageX,
				pageY = event.pageY;

			// Cache the scroll
			if ( !scrollIsRootNode || !this.offset.scroll ) {
				this.offset.scroll = {
					top: this.scrollParent.scrollTop(),
					left: this.scrollParent.scrollLeft()
				};
			}

			/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */

			// If we are not dragging yet, we won't check for options
			if ( constrainPosition ) {
				if ( this.containment ) {
					if ( this.relativeContainer ) {
						co = this.relativeContainer.offset();
						containment = [
							this.containment[ 0 ] + co.left,
							this.containment[ 1 ] + co.top,
							this.containment[ 2 ] + co.left,
							this.containment[ 3 ] + co.top
						];
					} else {
						containment = this.containment;
					}

					if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
						pageX = containment[ 0 ] + this.offset.click.left;
					}
					if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
						pageY = containment[ 1 ] + this.offset.click.top;
					}
					if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
						pageX = containment[ 2 ] + this.offset.click.left;
					}
					if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
						pageY = containment[ 3 ] + this.offset.click.top;
					}
				}

				if ( o.grid ) {

					//Check for grid elements set to 0 to prevent divide by 0 error causing invalid
					// argument errors in IE (see ticket #6950)
					top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
						this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
					pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
						top - this.offset.click.top > containment[ 3 ] ) ?
						top :
						( ( top - this.offset.click.top >= containment[ 1 ] ) ?
							top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;

					left = o.grid[ 0 ] ? this.originalPageX +
						Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
						this.originalPageX;
					pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
						left - this.offset.click.left > containment[ 2 ] ) ?
						left :
						( ( left - this.offset.click.left >= containment[ 0 ] ) ?
							left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
				}

				if ( o.axis === "y" ) {
					pageX = this.originalPageX;
				}

				if ( o.axis === "x" ) {
					pageY = this.originalPageY;
				}
			}

			return {
				top: (

					// The absolute mouse position
					pageY -

					// Click offset (relative to the element)
					this.offset.click.top -

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.top -

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.top +
					( this.cssPosition === "fixed" ?
						-this.offset.scroll.top :
						( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
				),
				left: (

					// The absolute mouse position
					pageX -

					// Click offset (relative to the element)
					this.offset.click.left -

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.left -

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.left +
					( this.cssPosition === "fixed" ?
						-this.offset.scroll.left :
						( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
				)
			};

		},

		_clear: function() {
			this._removeClass( this.helper, "ui-draggable-dragging" );
			if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
				this.helper.remove();
			}
			this.helper = null;
			this.cancelHelperRemoval = false;
			if ( this.destroyOnClear ) {
				this.destroy();
			}
		},

		// From now on bulk stuff - mainly helpers

		_trigger: function( type, event, ui ) {
			ui = ui || this._uiHash();
			$.ui.plugin.call( this, type, [ event, ui, this ], true );

			// Absolute position and offset (see #6884 ) have to be recalculated after plugins
			if ( /^(drag|start|stop)/.test( type ) ) {
				this.positionAbs = this._convertPositionTo( "absolute" );
				ui.offset = this.positionAbs;
			}
			return $.Widget.prototype._trigger.call( this, type, event, ui );
		},

		plugins: {},

		_uiHash: function() {
			return {
				helper: this.helper,
				position: this.position,
				originalPosition: this.originalPosition,
				offset: this.positionAbs
			};
		}

	} );

	$.ui.plugin.add( "draggable", "connectToSortable", {
		start: function( event, ui, draggable ) {
			var uiSortable = $.extend( {}, ui, {
				item: draggable.element
			} );

			draggable.sortables = [];
			$( draggable.options.connectToSortable ).each( function() {
				var sortable = $( this ).sortable( "instance" );

				if ( sortable && !sortable.options.disabled ) {
					draggable.sortables.push( sortable );

					// RefreshPositions is called at drag start to refresh the containerCache
					// which is used in drag. This ensures it's initialized and synchronized
					// with any changes that might have happened on the page since initialization.
					sortable.refreshPositions();
					sortable._trigger( "activate", event, uiSortable );
				}
			} );
		},
		stop: function( event, ui, draggable ) {
			var uiSortable = $.extend( {}, ui, {
				item: draggable.element
			} );

			draggable.cancelHelperRemoval = false;

			$.each( draggable.sortables, function() {
				var sortable = this;

				if ( sortable.isOver ) {
					sortable.isOver = 0;

					// Allow this sortable to handle removing the helper
					draggable.cancelHelperRemoval = true;
					sortable.cancelHelperRemoval = false;

					// Use _storedCSS To restore properties in the sortable,
					// as this also handles revert (#9675) since the draggable
					// may have modified them in unexpected ways (#8809)
					sortable._storedCSS = {
						position: sortable.placeholder.css( "position" ),
						top: sortable.placeholder.css( "top" ),
						left: sortable.placeholder.css( "left" )
					};

					sortable._mouseStop( event );

					// Once drag has ended, the sortable should return to using
					// its original helper, not the shared helper from draggable
					sortable.options.helper = sortable.options._helper;
				} else {

					// Prevent this Sortable from removing the helper.
					// However, don't set the draggable to remove the helper
					// either as another connected Sortable may yet handle the removal.
					sortable.cancelHelperRemoval = true;

					sortable._trigger( "deactivate", event, uiSortable );
				}
			} );
		},
		drag: function( event, ui, draggable ) {
			$.each( draggable.sortables, function() {
				var innermostIntersecting = false,
					sortable = this;

				// Copy over variables that sortable's _intersectsWith uses
				sortable.positionAbs = draggable.positionAbs;
				sortable.helperProportions = draggable.helperProportions;
				sortable.offset.click = draggable.offset.click;

				if ( sortable._intersectsWith( sortable.containerCache ) ) {
					innermostIntersecting = true;

					$.each( draggable.sortables, function() {

						// Copy over variables that sortable's _intersectsWith uses
						this.positionAbs = draggable.positionAbs;
						this.helperProportions = draggable.helperProportions;
						this.offset.click = draggable.offset.click;

						if ( this !== sortable &&
							this._intersectsWith( this.containerCache ) &&
							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
							innermostIntersecting = false;
						}

						return innermostIntersecting;
					} );
				}

				if ( innermostIntersecting ) {

					// If it intersects, we use a little isOver variable and set it once,
					// so that the move-in stuff gets fired only once.
					if ( !sortable.isOver ) {
						sortable.isOver = 1;

						// Store draggable's parent in case we need to reappend to it later.
						draggable._parent = ui.helper.parent();

						sortable.currentItem = ui.helper
						.appendTo( sortable.element )
						.data( "ui-sortable-item", true );

						// Store helper option to later restore it
						sortable.options._helper = sortable.options.helper;

						sortable.options.helper = function() {
							return ui.helper[ 0 ];
						};

						// Fire the start events of the sortable with our passed browser event,
						// and our own helper (so it doesn't create a new one)
						event.target = sortable.currentItem[ 0 ];
						sortable._mouseCapture( event, true );
						sortable._mouseStart( event, true, true );

						// Because the browser event is way off the new appended portlet,
						// modify necessary variables to reflect the changes
						sortable.offset.click.top = draggable.offset.click.top;
						sortable.offset.click.left = draggable.offset.click.left;
						sortable.offset.parent.left -= draggable.offset.parent.left -
							sortable.offset.parent.left;
						sortable.offset.parent.top -= draggable.offset.parent.top -
							sortable.offset.parent.top;

						draggable._trigger( "toSortable", event );

						// Inform draggable that the helper is in a valid drop zone,
						// used solely in the revert option to handle "valid/invalid".
						draggable.dropped = sortable.element;

						// Need to refreshPositions of all sortables in the case that
						// adding to one sortable changes the location of the other sortables (#9675)
						$.each( draggable.sortables, function() {
							this.refreshPositions();
						} );

						// Hack so receive/update callbacks work (mostly)
						draggable.currentItem = draggable.element;
						sortable.fromOutside = draggable;
					}

					if ( sortable.currentItem ) {
						sortable._mouseDrag( event );

						// Copy the sortable's position because the draggable's can potentially reflect
						// a relative position, while sortable is always absolute, which the dragged
						// element has now become. (#8809)
						ui.position = sortable.position;
					}
				} else {

					// If it doesn't intersect with the sortable, and it intersected before,
					// we fake the drag stop of the sortable, but make sure it doesn't remove
					// the helper by using cancelHelperRemoval.
					if ( sortable.isOver ) {

						sortable.isOver = 0;
						sortable.cancelHelperRemoval = true;

						// Calling sortable's mouseStop would trigger a revert,
						// so revert must be temporarily false until after mouseStop is called.
						sortable.options._revert = sortable.options.revert;
						sortable.options.revert = false;

						sortable._trigger( "out", event, sortable._uiHash( sortable ) );
						sortable._mouseStop( event, true );

						// Restore sortable behaviors that were modfied
						// when the draggable entered the sortable area (#9481)
						sortable.options.revert = sortable.options._revert;
						sortable.options.helper = sortable.options._helper;

						if ( sortable.placeholder ) {
							sortable.placeholder.remove();
						}

						// Restore and recalculate the draggable's offset considering the sortable
						// may have modified them in unexpected ways. (#8809, #10669)
						ui.helper.appendTo( draggable._parent );
						draggable._refreshOffsets( event );
						ui.position = draggable._generatePosition( event, true );

						draggable._trigger( "fromSortable", event );

						// Inform draggable that the helper is no longer in a valid drop zone
						draggable.dropped = false;

						// Need to refreshPositions of all sortables just in case removing
						// from one sortable changes the location of other sortables (#9675)
						$.each( draggable.sortables, function() {
							this.refreshPositions();
						} );
					}
				}
			} );
		}
	} );

	$.ui.plugin.add( "draggable", "cursor", {
		start: function( event, ui, instance ) {
			var t = $( "body" ),
				o = instance.options;

			if ( t.css( "cursor" ) ) {
				o._cursor = t.css( "cursor" );
			}
			t.css( "cursor", o.cursor );
		},
		stop: function( event, ui, instance ) {
			var o = instance.options;
			if ( o._cursor ) {
				$( "body" ).css( "cursor", o._cursor );
			}
		}
	} );

	$.ui.plugin.add( "draggable", "opacity", {
		start: function( event, ui, instance ) {
			var t = $( ui.helper ),
				o = instance.options;
			if ( t.css( "opacity" ) ) {
				o._opacity = t.css( "opacity" );
			}
			t.css( "opacity", o.opacity );
		},
		stop: function( event, ui, instance ) {
			var o = instance.options;
			if ( o._opacity ) {
				$( ui.helper ).css( "opacity", o._opacity );
			}
		}
	} );

	$.ui.plugin.add( "draggable", "scroll", {
		start: function( event, ui, i ) {
			if ( !i.scrollParentNotHidden ) {
				i.scrollParentNotHidden = i.helper.scrollParent( false );
			}

			if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] &&
				i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
				i.overflowOffset = i.scrollParentNotHidden.offset();
			}
		},
		drag: function( event, ui, i  ) {

			var o = i.options,
				scrolled = false,
				scrollParent = i.scrollParentNotHidden[ 0 ],
				document = i.document[ 0 ];

			if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
				if ( !o.axis || o.axis !== "x" ) {
					if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY <
						o.scrollSensitivity ) {
						scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
					} else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
						scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
					}
				}

				if ( !o.axis || o.axis !== "y" ) {
					if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX <
						o.scrollSensitivity ) {
						scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
					} else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
						scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
					}
				}

			} else {

				if ( !o.axis || o.axis !== "x" ) {
					if ( event.pageY - $( document ).scrollTop() < o.scrollSensitivity ) {
						scrolled = $( document ).scrollTop( $( document ).scrollTop() - o.scrollSpeed );
					} else if ( $( window ).height() - ( event.pageY - $( document ).scrollTop() ) <
						o.scrollSensitivity ) {
						scrolled = $( document ).scrollTop( $( document ).scrollTop() + o.scrollSpeed );
					}
				}

				if ( !o.axis || o.axis !== "y" ) {
					if ( event.pageX - $( document ).scrollLeft() < o.scrollSensitivity ) {
						scrolled = $( document ).scrollLeft(
							$( document ).scrollLeft() - o.scrollSpeed
						);
					} else if ( $( window ).width() - ( event.pageX - $( document ).scrollLeft() ) <
						o.scrollSensitivity ) {
						scrolled = $( document ).scrollLeft(
							$( document ).scrollLeft() + o.scrollSpeed
						);
					}
				}

			}

			if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
				$.ui.ddmanager.prepareOffsets( i, event );
			}

		}
	} );

	$.ui.plugin.add( "draggable", "snap", {
		start: function( event, ui, i ) {

			var o = i.options;

			i.snapElements = [];

			$( o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap )
			.each( function() {
				var $t = $( this ),
					$o = $t.offset();
				if ( this !== i.element[ 0 ] ) {
					i.snapElements.push( {
						item: this,
						width: $t.outerWidth(), height: $t.outerHeight(),
						top: $o.top, left: $o.left
					} );
				}
			} );

		},
		drag: function( event, ui, inst ) {

			var ts, bs, ls, rs, l, r, t, b, i, first,
				o = inst.options,
				d = o.snapTolerance,
				x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
				y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;

			for ( i = inst.snapElements.length - 1; i >= 0; i-- ) {

				l = inst.snapElements[ i ].left - inst.margins.left;
				r = l + inst.snapElements[ i ].width;
				t = inst.snapElements[ i ].top - inst.margins.top;
				b = t + inst.snapElements[ i ].height;

				if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d ||
					!$.contains( inst.snapElements[ i ].item.ownerDocument,
						inst.snapElements[ i ].item ) ) {
					if ( inst.snapElements[ i ].snapping ) {
						if ( inst.options.snap.release ) {
							inst.options.snap.release.call(
								inst.element,
								event,
								$.extend( inst._uiHash(), { snapItem: inst.snapElements[ i ].item } )
							);
						}
					}
					inst.snapElements[ i ].snapping = false;
					continue;
				}

				if ( o.snapMode !== "inner" ) {
					ts = Math.abs( t - y2 ) <= d;
					bs = Math.abs( b - y1 ) <= d;
					ls = Math.abs( l - x2 ) <= d;
					rs = Math.abs( r - x1 ) <= d;
					if ( ts ) {
						ui.position.top = inst._convertPositionTo( "relative", {
							top: t - inst.helperProportions.height,
							left: 0
						} ).top;
					}
					if ( bs ) {
						ui.position.top = inst._convertPositionTo( "relative", {
							top: b,
							left: 0
						} ).top;
					}
					if ( ls ) {
						ui.position.left = inst._convertPositionTo( "relative", {
							top: 0,
							left: l - inst.helperProportions.width
						} ).left;
					}
					if ( rs ) {
						ui.position.left = inst._convertPositionTo( "relative", {
							top: 0,
							left: r
						} ).left;
					}
				}

				first = ( ts || bs || ls || rs );

				if ( o.snapMode !== "outer" ) {
					ts = Math.abs( t - y1 ) <= d;
					bs = Math.abs( b - y2 ) <= d;
					ls = Math.abs( l - x1 ) <= d;
					rs = Math.abs( r - x2 ) <= d;
					if ( ts ) {
						ui.position.top = inst._convertPositionTo( "relative", {
							top: t,
							left: 0
						} ).top;
					}
					if ( bs ) {
						ui.position.top = inst._convertPositionTo( "relative", {
							top: b - inst.helperProportions.height,
							left: 0
						} ).top;
					}
					if ( ls ) {
						ui.position.left = inst._convertPositionTo( "relative", {
							top: 0,
							left: l
						} ).left;
					}
					if ( rs ) {
						ui.position.left = inst._convertPositionTo( "relative", {
							top: 0,
							left: r - inst.helperProportions.width
						} ).left;
					}
				}

				if ( !inst.snapElements[ i ].snapping && ( ts || bs || ls || rs || first ) ) {
					if ( inst.options.snap.snap ) {
						inst.options.snap.snap.call(
							inst.element,
							event,
							$.extend( inst._uiHash(), {
								snapItem: inst.snapElements[ i ].item
							} ) );
					}
				}
				inst.snapElements[ i ].snapping = ( ts || bs || ls || rs || first );

			}

		}
	} );

	$.ui.plugin.add( "draggable", "stack", {
		start: function( event, ui, instance ) {
			var min,
				o = instance.options,
				group = $.makeArray( $( o.stack ) ).sort( function( a, b ) {
					return ( parseInt( $( a ).css( "zIndex" ), 10 ) || 0 ) -
						( parseInt( $( b ).css( "zIndex" ), 10 ) || 0 );
				} );

			if ( !group.length ) {
				return;
			}

			min = parseInt( $( group[ 0 ] ).css( "zIndex" ), 10 ) || 0;
			$( group ).each( function( i ) {
				$( this ).css( "zIndex", min + i );
			} );
			this.css( "zIndex", ( min + group.length ) );
		}
	} );

	$.ui.plugin.add( "draggable", "zIndex", {
		start: function( event, ui, instance ) {
			var t = $( ui.helper ),
				o = instance.options;

			if ( t.css( "zIndex" ) ) {
				o._zIndex = t.css( "zIndex" );
			}
			t.css( "zIndex", o.zIndex );
		},
		stop: function( event, ui, instance ) {
			var o = instance.options;

			if ( o._zIndex ) {
				$( ui.helper ).css( "zIndex", o._zIndex );
			}
		}
	} );

	var widgetsDraggable = $.ui.draggable;


	/*!
 * jQuery UI Resizable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Resizable
//>>group: Interactions
//>>description: Enables resize functionality for any element.
//>>docs: http://api.jqueryui.com/resizable/
//>>demos: http://jqueryui.com/resizable/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/resizable.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.resizable", $.ui.mouse, {
		version: "1.13.0",
		widgetEventPrefix: "resize",
		options: {
			alsoResize: false,
			animate: false,
			animateDuration: "slow",
			animateEasing: "swing",
			aspectRatio: false,
			autoHide: false,
			classes: {
				"ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se"
			},
			containment: false,
			ghost: false,
			grid: false,
			handles: "e,s,se",
			helper: false,
			maxHeight: null,
			maxWidth: null,
			minHeight: 10,
			minWidth: 10,

			// See #7960
			zIndex: 90,

			// Callbacks
			resize: null,
			start: null,
			stop: null
		},

		_num: function( value ) {
			return parseFloat( value ) || 0;
		},

		_isNumber: function( value ) {
			return !isNaN( parseFloat( value ) );
		},

		_hasScroll: function( el, a ) {

			if ( $( el ).css( "overflow" ) === "hidden" ) {
				return false;
			}

			var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
				has = false;

			if ( el[ scroll ] > 0 ) {
				return true;
			}

			// TODO: determine which cases actually cause this to happen
			// if the element doesn't have the scroll set, see if it's possible to
			// set the scroll
			try {
				el[ scroll ] = 1;
				has = ( el[ scroll ] > 0 );
				el[ scroll ] = 0;
			} catch ( e ) {

				// `el` might be a string, then setting `scroll` will throw
				// an error in strict mode; ignore it.
			}
			return has;
		},

		_create: function() {

			var margins,
				o = this.options,
				that = this;
			this._addClass( "ui-resizable" );

			$.extend( this, {
				_aspectRatio: !!( o.aspectRatio ),
				aspectRatio: o.aspectRatio,
				originalElement: this.element,
				_proportionallyResizeElements: [],
				_helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null
			} );

			// Wrap the element if it cannot hold child nodes
			if ( this.element[ 0 ].nodeName.match( /^(canvas|textarea|input|select|button|img)$/i ) ) {

				this.element.wrap(
					$( "<div class='ui-wrapper'></div>" ).css( {
						overflow: "hidden",
						position: this.element.css( "position" ),
						width: this.element.outerWidth(),
						height: this.element.outerHeight(),
						top: this.element.css( "top" ),
						left: this.element.css( "left" )
					} )
				);

				this.element = this.element.parent().data(
					"ui-resizable", this.element.resizable( "instance" )
				);

				this.elementIsWrapper = true;

				margins = {
					marginTop: this.originalElement.css( "marginTop" ),
					marginRight: this.originalElement.css( "marginRight" ),
					marginBottom: this.originalElement.css( "marginBottom" ),
					marginLeft: this.originalElement.css( "marginLeft" )
				};

				this.element.css( margins );
				this.originalElement.css( "margin", 0 );

				// support: Safari
				// Prevent Safari textarea resize
				this.originalResizeStyle = this.originalElement.css( "resize" );
				this.originalElement.css( "resize", "none" );

				this._proportionallyResizeElements.push( this.originalElement.css( {
					position: "static",
					zoom: 1,
					display: "block"
				} ) );

				// Support: IE9
				// avoid IE jump (hard set the margin)
				this.originalElement.css( margins );

				this._proportionallyResize();
			}

			this._setupHandles();

			if ( o.autoHide ) {
				$( this.element )
				.on( "mouseenter", function() {
					if ( o.disabled ) {
						return;
					}
					that._removeClass( "ui-resizable-autohide" );
					that._handles.show();
				} )
				.on( "mouseleave", function() {
					if ( o.disabled ) {
						return;
					}
					if ( !that.resizing ) {
						that._addClass( "ui-resizable-autohide" );
						that._handles.hide();
					}
				} );
			}

			this._mouseInit();
		},

		_destroy: function() {

			this._mouseDestroy();
			this._addedHandles.remove();

			var wrapper,
				_destroy = function( exp ) {
					$( exp )
					.removeData( "resizable" )
					.removeData( "ui-resizable" )
					.off( ".resizable" );
				};

			// TODO: Unwrap at same DOM position
			if ( this.elementIsWrapper ) {
				_destroy( this.element );
				wrapper = this.element;
				this.originalElement.css( {
					position: wrapper.css( "position" ),
					width: wrapper.outerWidth(),
					height: wrapper.outerHeight(),
					top: wrapper.css( "top" ),
					left: wrapper.css( "left" )
				} ).insertAfter( wrapper );
				wrapper.remove();
			}

			this.originalElement.css( "resize", this.originalResizeStyle );
			_destroy( this.originalElement );

			return this;
		},

		_setOption: function( key, value ) {
			this._super( key, value );

			switch ( key ) {
				case "handles":
					this._removeHandles();
					this._setupHandles();
					break;
				case "aspectRatio":
					this._aspectRatio = !!value;
					break;
				default:
					break;
			}
		},

		_setupHandles: function() {
			var o = this.options, handle, i, n, hname, axis, that = this;
			this.handles = o.handles ||
				( !$( ".ui-resizable-handle", this.element ).length ?
					"e,s,se" : {
						n: ".ui-resizable-n",
						e: ".ui-resizable-e",
						s: ".ui-resizable-s",
						w: ".ui-resizable-w",
						se: ".ui-resizable-se",
						sw: ".ui-resizable-sw",
						ne: ".ui-resizable-ne",
						nw: ".ui-resizable-nw"
					} );

			this._handles = $();
			this._addedHandles = $();
			if ( this.handles.constructor === String ) {

				if ( this.handles === "all" ) {
					this.handles = "n,e,s,w,se,sw,ne,nw";
				}

				n = this.handles.split( "," );
				this.handles = {};

				for ( i = 0; i < n.length; i++ ) {

					handle = String.prototype.trim.call( n[ i ] );
					hname = "ui-resizable-" + handle;
					axis = $( "<div>" );
					this._addClass( axis, "ui-resizable-handle " + hname );

					axis.css( { zIndex: o.zIndex } );

					this.handles[ handle ] = ".ui-resizable-" + handle;
					if ( !this.element.children( this.handles[ handle ] ).length ) {
						this.element.append( axis );
						this._addedHandles = this._addedHandles.add( axis );
					}
				}

			}

			this._renderAxis = function( target ) {

				var i, axis, padPos, padWrapper;

				target = target || this.element;

				for ( i in this.handles ) {

					if ( this.handles[ i ].constructor === String ) {
						this.handles[ i ] = this.element.children( this.handles[ i ] ).first().show();
					} else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) {
						this.handles[ i ] = $( this.handles[ i ] );
						this._on( this.handles[ i ], { "mousedown": that._mouseDown } );
					}

					if ( this.elementIsWrapper &&
						this.originalElement[ 0 ]
						.nodeName
						.match( /^(textarea|input|select|button)$/i ) ) {
						axis = $( this.handles[ i ], this.element );

						padWrapper = /sw|ne|nw|se|n|s/.test( i ) ?
							axis.outerHeight() :
							axis.outerWidth();

						padPos = [ "padding",
							/ne|nw|n/.test( i ) ? "Top" :
								/se|sw|s/.test( i ) ? "Bottom" :
									/^e$/.test( i ) ? "Right" : "Left" ].join( "" );

						target.css( padPos, padWrapper );

						this._proportionallyResize();
					}

					this._handles = this._handles.add( this.handles[ i ] );
				}
			};

			// TODO: make renderAxis a prototype function
			this._renderAxis( this.element );

			this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) );
			this._handles.disableSelection();

			this._handles.on( "mouseover", function() {
				if ( !that.resizing ) {
					if ( this.className ) {
						axis = this.className.match( /ui-resizable-(se|sw|ne|nw|n|e|s|w)/i );
					}
					that.axis = axis && axis[ 1 ] ? axis[ 1 ] : "se";
				}
			} );

			if ( o.autoHide ) {
				this._handles.hide();
				this._addClass( "ui-resizable-autohide" );
			}
		},

		_removeHandles: function() {
			this._addedHandles.remove();
		},

		_mouseCapture: function( event ) {
			var i, handle,
				capture = false;

			for ( i in this.handles ) {
				handle = $( this.handles[ i ] )[ 0 ];
				if ( handle === event.target || $.contains( handle, event.target ) ) {
					capture = true;
				}
			}

			return !this.options.disabled && capture;
		},

		_mouseStart: function( event ) {

			var curleft, curtop, cursor,
				o = this.options,
				el = this.element;

			this.resizing = true;

			this._renderProxy();

			curleft = this._num( this.helper.css( "left" ) );
			curtop = this._num( this.helper.css( "top" ) );

			if ( o.containment ) {
				curleft += $( o.containment ).scrollLeft() || 0;
				curtop += $( o.containment ).scrollTop() || 0;
			}

			this.offset = this.helper.offset();
			this.position = { left: curleft, top: curtop };

			this.size = this._helper ? {
				width: this.helper.width(),
				height: this.helper.height()
			} : {
				width: el.width(),
				height: el.height()
			};

			this.originalSize = this._helper ? {
				width: el.outerWidth(),
				height: el.outerHeight()
			} : {
				width: el.width(),
				height: el.height()
			};

			this.sizeDiff = {
				width: el.outerWidth() - el.width(),
				height: el.outerHeight() - el.height()
			};

			this.originalPosition = { left: curleft, top: curtop };
			this.originalMousePosition = { left: event.pageX, top: event.pageY };

			this.aspectRatio = ( typeof o.aspectRatio === "number" ) ?
				o.aspectRatio :
				( ( this.originalSize.width / this.originalSize.height ) || 1 );

			cursor = $( ".ui-resizable-" + this.axis ).css( "cursor" );
			$( "body" ).css( "cursor", cursor === "auto" ? this.axis + "-resize" : cursor );

			this._addClass( "ui-resizable-resizing" );
			this._propagate( "start", event );
			return true;
		},

		_mouseDrag: function( event ) {

			var data, props,
				smp = this.originalMousePosition,
				a = this.axis,
				dx = ( event.pageX - smp.left ) || 0,
				dy = ( event.pageY - smp.top ) || 0,
				trigger = this._change[ a ];

			this._updatePrevProperties();

			if ( !trigger ) {
				return false;
			}

			data = trigger.apply( this, [ event, dx, dy ] );

			this._updateVirtualBoundaries( event.shiftKey );
			if ( this._aspectRatio || event.shiftKey ) {
				data = this._updateRatio( data, event );
			}

			data = this._respectSize( data, event );

			this._updateCache( data );

			this._propagate( "resize", event );

			props = this._applyChanges();

			if ( !this._helper && this._proportionallyResizeElements.length ) {
				this._proportionallyResize();
			}

			if ( !$.isEmptyObject( props ) ) {
				this._updatePrevProperties();
				this._trigger( "resize", event, this.ui() );
				this._applyChanges();
			}

			return false;
		},

		_mouseStop: function( event ) {

			this.resizing = false;
			var pr, ista, soffseth, soffsetw, s, left, top,
				o = this.options, that = this;

			if ( this._helper ) {

				pr = this._proportionallyResizeElements;
				ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName );
				soffseth = ista && this._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height;
				soffsetw = ista ? 0 : that.sizeDiff.width;

				s = {
					width: ( that.helper.width()  - soffsetw ),
					height: ( that.helper.height() - soffseth )
				};
				left = ( parseFloat( that.element.css( "left" ) ) +
					( that.position.left - that.originalPosition.left ) ) || null;
				top = ( parseFloat( that.element.css( "top" ) ) +
					( that.position.top - that.originalPosition.top ) ) || null;

				if ( !o.animate ) {
					this.element.css( $.extend( s, { top: top, left: left } ) );
				}

				that.helper.height( that.size.height );
				that.helper.width( that.size.width );

				if ( this._helper && !o.animate ) {
					this._proportionallyResize();
				}
			}

			$( "body" ).css( "cursor", "auto" );

			this._removeClass( "ui-resizable-resizing" );

			this._propagate( "stop", event );

			if ( this._helper ) {
				this.helper.remove();
			}

			return false;

		},

		_updatePrevProperties: function() {
			this.prevPosition = {
				top: this.position.top,
				left: this.position.left
			};
			this.prevSize = {
				width: this.size.width,
				height: this.size.height
			};
		},

		_applyChanges: function() {
			var props = {};

			if ( this.position.top !== this.prevPosition.top ) {
				props.top = this.position.top + "px";
			}
			if ( this.position.left !== this.prevPosition.left ) {
				props.left = this.position.left + "px";
			}
			if ( this.size.width !== this.prevSize.width ) {
				props.width = this.size.width + "px";
			}
			if ( this.size.height !== this.prevSize.height ) {
				props.height = this.size.height + "px";
			}

			this.helper.css( props );

			return props;
		},

		_updateVirtualBoundaries: function( forceAspectRatio ) {
			var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b,
				o = this.options;

			b = {
				minWidth: this._isNumber( o.minWidth ) ? o.minWidth : 0,
				maxWidth: this._isNumber( o.maxWidth ) ? o.maxWidth : Infinity,
				minHeight: this._isNumber( o.minHeight ) ? o.minHeight : 0,
				maxHeight: this._isNumber( o.maxHeight ) ? o.maxHeight : Infinity
			};

			if ( this._aspectRatio || forceAspectRatio ) {
				pMinWidth = b.minHeight * this.aspectRatio;
				pMinHeight = b.minWidth / this.aspectRatio;
				pMaxWidth = b.maxHeight * this.aspectRatio;
				pMaxHeight = b.maxWidth / this.aspectRatio;

				if ( pMinWidth > b.minWidth ) {
					b.minWidth = pMinWidth;
				}
				if ( pMinHeight > b.minHeight ) {
					b.minHeight = pMinHeight;
				}
				if ( pMaxWidth < b.maxWidth ) {
					b.maxWidth = pMaxWidth;
				}
				if ( pMaxHeight < b.maxHeight ) {
					b.maxHeight = pMaxHeight;
				}
			}
			this._vBoundaries = b;
		},

		_updateCache: function( data ) {
			this.offset = this.helper.offset();
			if ( this._isNumber( data.left ) ) {
				this.position.left = data.left;
			}
			if ( this._isNumber( data.top ) ) {
				this.position.top = data.top;
			}
			if ( this._isNumber( data.height ) ) {
				this.size.height = data.height;
			}
			if ( this._isNumber( data.width ) ) {
				this.size.width = data.width;
			}
		},

		_updateRatio: function( data ) {

			var cpos = this.position,
				csize = this.size,
				a = this.axis;

			if ( this._isNumber( data.height ) ) {
				data.width = ( data.height * this.aspectRatio );
			} else if ( this._isNumber( data.width ) ) {
				data.height = ( data.width / this.aspectRatio );
			}

			if ( a === "sw" ) {
				data.left = cpos.left + ( csize.width - data.width );
				data.top = null;
			}
			if ( a === "nw" ) {
				data.top = cpos.top + ( csize.height - data.height );
				data.left = cpos.left + ( csize.width - data.width );
			}

			return data;
		},

		_respectSize: function( data ) {

			var o = this._vBoundaries,
				a = this.axis,
				ismaxw = this._isNumber( data.width ) && o.maxWidth && ( o.maxWidth < data.width ),
				ismaxh = this._isNumber( data.height ) && o.maxHeight && ( o.maxHeight < data.height ),
				isminw = this._isNumber( data.width ) && o.minWidth && ( o.minWidth > data.width ),
				isminh = this._isNumber( data.height ) && o.minHeight && ( o.minHeight > data.height ),
				dw = this.originalPosition.left + this.originalSize.width,
				dh = this.originalPosition.top + this.originalSize.height,
				cw = /sw|nw|w/.test( a ), ch = /nw|ne|n/.test( a );
			if ( isminw ) {
				data.width = o.minWidth;
			}
			if ( isminh ) {
				data.height = o.minHeight;
			}
			if ( ismaxw ) {
				data.width = o.maxWidth;
			}
			if ( ismaxh ) {
				data.height = o.maxHeight;
			}

			if ( isminw && cw ) {
				data.left = dw - o.minWidth;
			}
			if ( ismaxw && cw ) {
				data.left = dw - o.maxWidth;
			}
			if ( isminh && ch ) {
				data.top = dh - o.minHeight;
			}
			if ( ismaxh && ch ) {
				data.top = dh - o.maxHeight;
			}

			// Fixing jump error on top/left - bug #2330
			if ( !data.width && !data.height && !data.left && data.top ) {
				data.top = null;
			} else if ( !data.width && !data.height && !data.top && data.left ) {
				data.left = null;
			}

			return data;
		},

		_getPaddingPlusBorderDimensions: function( element ) {
			var i = 0,
				widths = [],
				borders = [
					element.css( "borderTopWidth" ),
					element.css( "borderRightWidth" ),
					element.css( "borderBottomWidth" ),
					element.css( "borderLeftWidth" )
				],
				paddings = [
					element.css( "paddingTop" ),
					element.css( "paddingRight" ),
					element.css( "paddingBottom" ),
					element.css( "paddingLeft" )
				];

			for ( ; i < 4; i++ ) {
				widths[ i ] = ( parseFloat( borders[ i ] ) || 0 );
				widths[ i ] += ( parseFloat( paddings[ i ] ) || 0 );
			}

			return {
				height: widths[ 0 ] + widths[ 2 ],
				width: widths[ 1 ] + widths[ 3 ]
			};
		},

		_proportionallyResize: function() {

			if ( !this._proportionallyResizeElements.length ) {
				return;
			}

			var prel,
				i = 0,
				element = this.helper || this.element;

			for ( ; i < this._proportionallyResizeElements.length; i++ ) {

				prel = this._proportionallyResizeElements[ i ];

				// TODO: Seems like a bug to cache this.outerDimensions
				// considering that we are in a loop.
				if ( !this.outerDimensions ) {
					this.outerDimensions = this._getPaddingPlusBorderDimensions( prel );
				}

				prel.css( {
					height: ( element.height() - this.outerDimensions.height ) || 0,
					width: ( element.width() - this.outerDimensions.width ) || 0
				} );

			}

		},

		_renderProxy: function() {

			var el = this.element, o = this.options;
			this.elementOffset = el.offset();

			if ( this._helper ) {

				this.helper = this.helper || $( "<div></div>" ).css( { overflow: "hidden" } );

				this._addClass( this.helper, this._helper );
				this.helper.css( {
					width: this.element.outerWidth(),
					height: this.element.outerHeight(),
					position: "absolute",
					left: this.elementOffset.left + "px",
					top: this.elementOffset.top + "px",
					zIndex: ++o.zIndex //TODO: Don't modify option
				} );

				this.helper
				.appendTo( "body" )
				.disableSelection();

			} else {
				this.helper = this.element;
			}

		},

		_change: {
			e: function( event, dx ) {
				return { width: this.originalSize.width + dx };
			},
			w: function( event, dx ) {
				var cs = this.originalSize, sp = this.originalPosition;
				return { left: sp.left + dx, width: cs.width - dx };
			},
			n: function( event, dx, dy ) {
				var cs = this.originalSize, sp = this.originalPosition;
				return { top: sp.top + dy, height: cs.height - dy };
			},
			s: function( event, dx, dy ) {
				return { height: this.originalSize.height + dy };
			},
			se: function( event, dx, dy ) {
				return $.extend( this._change.s.apply( this, arguments ),
					this._change.e.apply( this, [ event, dx, dy ] ) );
			},
			sw: function( event, dx, dy ) {
				return $.extend( this._change.s.apply( this, arguments ),
					this._change.w.apply( this, [ event, dx, dy ] ) );
			},
			ne: function( event, dx, dy ) {
				return $.extend( this._change.n.apply( this, arguments ),
					this._change.e.apply( this, [ event, dx, dy ] ) );
			},
			nw: function( event, dx, dy ) {
				return $.extend( this._change.n.apply( this, arguments ),
					this._change.w.apply( this, [ event, dx, dy ] ) );
			}
		},

		_propagate: function( n, event ) {
			$.ui.plugin.call( this, n, [ event, this.ui() ] );
			if ( n !== "resize" ) {
				this._trigger( n, event, this.ui() );
			}
		},

		plugins: {},

		ui: function() {
			return {
				originalElement: this.originalElement,
				element: this.element,
				helper: this.helper,
				position: this.position,
				size: this.size,
				originalSize: this.originalSize,
				originalPosition: this.originalPosition
			};
		}

	} );

	/*
 * Resizable Extensions
 */

	$.ui.plugin.add( "resizable", "animate", {

		stop: function( event ) {
			var that = $( this ).resizable( "instance" ),
				o = that.options,
				pr = that._proportionallyResizeElements,
				ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ),
				soffseth = ista && that._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height,
				soffsetw = ista ? 0 : that.sizeDiff.width,
				style = {
					width: ( that.size.width - soffsetw ),
					height: ( that.size.height - soffseth )
				},
				left = ( parseFloat( that.element.css( "left" ) ) +
					( that.position.left - that.originalPosition.left ) ) || null,
				top = ( parseFloat( that.element.css( "top" ) ) +
					( that.position.top - that.originalPosition.top ) ) || null;

			that.element.animate(
				$.extend( style, top && left ? { top: top, left: left } : {} ), {
					duration: o.animateDuration,
					easing: o.animateEasing,
					step: function() {

						var data = {
							width: parseFloat( that.element.css( "width" ) ),
							height: parseFloat( that.element.css( "height" ) ),
							top: parseFloat( that.element.css( "top" ) ),
							left: parseFloat( that.element.css( "left" ) )
						};

						if ( pr && pr.length ) {
							$( pr[ 0 ] ).css( { width: data.width, height: data.height } );
						}

						// Propagating resize, and updating values for each animation step
						that._updateCache( data );
						that._propagate( "resize", event );

					}
				}
			);
		}

	} );

	$.ui.plugin.add( "resizable", "containment", {

		start: function() {
			var element, p, co, ch, cw, width, height,
				that = $( this ).resizable( "instance" ),
				o = that.options,
				el = that.element,
				oc = o.containment,
				ce = ( oc instanceof $ ) ?
					oc.get( 0 ) :
					( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc;

			if ( !ce ) {
				return;
			}

			that.containerElement = $( ce );

			if ( /document/.test( oc ) || oc === document ) {
				that.containerOffset = {
					left: 0,
					top: 0
				};
				that.containerPosition = {
					left: 0,
					top: 0
				};

				that.parentData = {
					element: $( document ),
					left: 0,
					top: 0,
					width: $( document ).width(),
					height: $( document ).height() || document.body.parentNode.scrollHeight
				};
			} else {
				element = $( ce );
				p = [];
				$( [ "Top", "Right", "Left", "Bottom" ] ).each( function( i, name ) {
					p[ i ] = that._num( element.css( "padding" + name ) );
				} );

				that.containerOffset = element.offset();
				that.containerPosition = element.position();
				that.containerSize = {
					height: ( element.innerHeight() - p[ 3 ] ),
					width: ( element.innerWidth() - p[ 1 ] )
				};

				co = that.containerOffset;
				ch = that.containerSize.height;
				cw = that.containerSize.width;
				width = ( that._hasScroll( ce, "left" ) ? ce.scrollWidth : cw );
				height = ( that._hasScroll( ce ) ? ce.scrollHeight : ch );

				that.parentData = {
					element: ce,
					left: co.left,
					top: co.top,
					width: width,
					height: height
				};
			}
		},

		resize: function( event ) {
			var woset, hoset, isParent, isOffsetRelative,
				that = $( this ).resizable( "instance" ),
				o = that.options,
				co = that.containerOffset,
				cp = that.position,
				pRatio = that._aspectRatio || event.shiftKey,
				cop = {
					top: 0,
					left: 0
				},
				ce = that.containerElement,
				continueResize = true;

			if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) {
				cop = co;
			}

			if ( cp.left < ( that._helper ? co.left : 0 ) ) {
				that.size.width = that.size.width +
					( that._helper ?
						( that.position.left - co.left ) :
						( that.position.left - cop.left ) );

				if ( pRatio ) {
					that.size.height = that.size.width / that.aspectRatio;
					continueResize = false;
				}
				that.position.left = o.helper ? co.left : 0;
			}

			if ( cp.top < ( that._helper ? co.top : 0 ) ) {
				that.size.height = that.size.height +
					( that._helper ?
						( that.position.top - co.top ) :
						that.position.top );

				if ( pRatio ) {
					that.size.width = that.size.height * that.aspectRatio;
					continueResize = false;
				}
				that.position.top = that._helper ? co.top : 0;
			}

			isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 );
			isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) );

			if ( isParent && isOffsetRelative ) {
				that.offset.left = that.parentData.left + that.position.left;
				that.offset.top = that.parentData.top + that.position.top;
			} else {
				that.offset.left = that.element.offset().left;
				that.offset.top = that.element.offset().top;
			}

			woset = Math.abs( that.sizeDiff.width +
				( that._helper ?
					that.offset.left - cop.left :
					( that.offset.left - co.left ) ) );

			hoset = Math.abs( that.sizeDiff.height +
				( that._helper ?
					that.offset.top - cop.top :
					( that.offset.top - co.top ) ) );

			if ( woset + that.size.width >= that.parentData.width ) {
				that.size.width = that.parentData.width - woset;
				if ( pRatio ) {
					that.size.height = that.size.width / that.aspectRatio;
					continueResize = false;
				}
			}

			if ( hoset + that.size.height >= that.parentData.height ) {
				that.size.height = that.parentData.height - hoset;
				if ( pRatio ) {
					that.size.width = that.size.height * that.aspectRatio;
					continueResize = false;
				}
			}

			if ( !continueResize ) {
				that.position.left = that.prevPosition.left;
				that.position.top = that.prevPosition.top;
				that.size.width = that.prevSize.width;
				that.size.height = that.prevSize.height;
			}
		},

		stop: function() {
			var that = $( this ).resizable( "instance" ),
				o = that.options,
				co = that.containerOffset,
				cop = that.containerPosition,
				ce = that.containerElement,
				helper = $( that.helper ),
				ho = helper.offset(),
				w = helper.outerWidth() - that.sizeDiff.width,
				h = helper.outerHeight() - that.sizeDiff.height;

			if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) {
				$( this ).css( {
					left: ho.left - cop.left - co.left,
					width: w,
					height: h
				} );
			}

			if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) {
				$( this ).css( {
					left: ho.left - cop.left - co.left,
					width: w,
					height: h
				} );
			}
		}
	} );

	$.ui.plugin.add( "resizable", "alsoResize", {

		start: function() {
			var that = $( this ).resizable( "instance" ),
				o = that.options;

			$( o.alsoResize ).each( function() {
				var el = $( this );
				el.data( "ui-resizable-alsoresize", {
					width: parseFloat( el.width() ), height: parseFloat( el.height() ),
					left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) )
				} );
			} );
		},

		resize: function( event, ui ) {
			var that = $( this ).resizable( "instance" ),
				o = that.options,
				os = that.originalSize,
				op = that.originalPosition,
				delta = {
					height: ( that.size.height - os.height ) || 0,
					width: ( that.size.width - os.width ) || 0,
					top: ( that.position.top - op.top ) || 0,
					left: ( that.position.left - op.left ) || 0
				};

			$( o.alsoResize ).each( function() {
				var el = $( this ), start = $( this ).data( "ui-resizable-alsoresize" ), style = {},
					css = el.parents( ui.originalElement[ 0 ] ).length ?
						[ "width", "height" ] :
						[ "width", "height", "top", "left" ];

				$.each( css, function( i, prop ) {
					var sum = ( start[ prop ] || 0 ) + ( delta[ prop ] || 0 );
					if ( sum && sum >= 0 ) {
						style[ prop ] = sum || null;
					}
				} );

				el.css( style );
			} );
		},

		stop: function() {
			$( this ).removeData( "ui-resizable-alsoresize" );
		}
	} );

	$.ui.plugin.add( "resizable", "ghost", {

		start: function() {

			var that = $( this ).resizable( "instance" ), cs = that.size;

			that.ghost = that.originalElement.clone();
			that.ghost.css( {
				opacity: 0.25,
				display: "block",
				position: "relative",
				height: cs.height,
				width: cs.width,
				margin: 0,
				left: 0,
				top: 0
			} );

			that._addClass( that.ghost, "ui-resizable-ghost" );

			// DEPRECATED
			// TODO: remove after 1.12
			if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) {

				// Ghost option
				that.ghost.addClass( this.options.ghost );
			}

			that.ghost.appendTo( that.helper );

		},

		resize: function() {
			var that = $( this ).resizable( "instance" );
			if ( that.ghost ) {
				that.ghost.css( {
					position: "relative",
					height: that.size.height,
					width: that.size.width
				} );
			}
		},

		stop: function() {
			var that = $( this ).resizable( "instance" );
			if ( that.ghost && that.helper ) {
				that.helper.get( 0 ).removeChild( that.ghost.get( 0 ) );
			}
		}

	} );

	$.ui.plugin.add( "resizable", "grid", {

		resize: function() {
			var outerDimensions,
				that = $( this ).resizable( "instance" ),
				o = that.options,
				cs = that.size,
				os = that.originalSize,
				op = that.originalPosition,
				a = that.axis,
				grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid,
				gridX = ( grid[ 0 ] || 1 ),
				gridY = ( grid[ 1 ] || 1 ),
				ox = Math.round( ( cs.width - os.width ) / gridX ) * gridX,
				oy = Math.round( ( cs.height - os.height ) / gridY ) * gridY,
				newWidth = os.width + ox,
				newHeight = os.height + oy,
				isMaxWidth = o.maxWidth && ( o.maxWidth < newWidth ),
				isMaxHeight = o.maxHeight && ( o.maxHeight < newHeight ),
				isMinWidth = o.minWidth && ( o.minWidth > newWidth ),
				isMinHeight = o.minHeight && ( o.minHeight > newHeight );

			o.grid = grid;

			if ( isMinWidth ) {
				newWidth += gridX;
			}
			if ( isMinHeight ) {
				newHeight += gridY;
			}
			if ( isMaxWidth ) {
				newWidth -= gridX;
			}
			if ( isMaxHeight ) {
				newHeight -= gridY;
			}

			if ( /^(se|s|e)$/.test( a ) ) {
				that.size.width = newWidth;
				that.size.height = newHeight;
			} else if ( /^(ne)$/.test( a ) ) {
				that.size.width = newWidth;
				that.size.height = newHeight;
				that.position.top = op.top - oy;
			} else if ( /^(sw)$/.test( a ) ) {
				that.size.width = newWidth;
				that.size.height = newHeight;
				that.position.left = op.left - ox;
			} else {
				if ( newHeight - gridY <= 0 || newWidth - gridX <= 0 ) {
					outerDimensions = that._getPaddingPlusBorderDimensions( this );
				}

				if ( newHeight - gridY > 0 ) {
					that.size.height = newHeight;
					that.position.top = op.top - oy;
				} else {
					newHeight = gridY - outerDimensions.height;
					that.size.height = newHeight;
					that.position.top = op.top + os.height - newHeight;
				}
				if ( newWidth - gridX > 0 ) {
					that.size.width = newWidth;
					that.position.left = op.left - ox;
				} else {
					newWidth = gridX - outerDimensions.width;
					that.size.width = newWidth;
					that.position.left = op.left + os.width - newWidth;
				}
			}
		}

	} );

	var widgetsResizable = $.ui.resizable;


	/*!
 * jQuery UI Dialog 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Dialog
//>>group: Widgets
//>>description: Displays customizable dialog windows.
//>>docs: http://api.jqueryui.com/dialog/
//>>demos: http://jqueryui.com/dialog/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/dialog.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.dialog", {
		version: "1.13.0",
		options: {
			appendTo: "body",
			autoOpen: true,
			buttons: [],
			classes: {
				"ui-dialog": "ui-corner-all",
				"ui-dialog-titlebar": "ui-corner-all"
			},
			closeOnEscape: true,
			closeText: "Close",
			draggable: true,
			hide: null,
			height: "auto",
			maxHeight: null,
			maxWidth: null,
			minHeight: 150,
			minWidth: 150,
			modal: false,
			position: {
				my: "center",
				at: "center",
				of: window,
				collision: "fit",

				// Ensure the titlebar is always visible
				using: function( pos ) {
					var topOffset = $( this ).css( pos ).offset().top;
					if ( topOffset < 0 ) {
						$( this ).css( "top", pos.top - topOffset );
					}
				}
			},
			resizable: true,
			show: null,
			title: null,
			width: 300,

			// Callbacks
			beforeClose: null,
			close: null,
			drag: null,
			dragStart: null,
			dragStop: null,
			focus: null,
			open: null,
			resize: null,
			resizeStart: null,
			resizeStop: null
		},

		sizeRelatedOptions: {
			buttons: true,
			height: true,
			maxHeight: true,
			maxWidth: true,
			minHeight: true,
			minWidth: true,
			width: true
		},

		resizableRelatedOptions: {
			maxHeight: true,
			maxWidth: true,
			minHeight: true,
			minWidth: true
		},

		_create: function() {
			this.originalCss = {
				display: this.element[ 0 ].style.display,
				width: this.element[ 0 ].style.width,
				minHeight: this.element[ 0 ].style.minHeight,
				maxHeight: this.element[ 0 ].style.maxHeight,
				height: this.element[ 0 ].style.height
			};
			this.originalPosition = {
				parent: this.element.parent(),
				index: this.element.parent().children().index( this.element )
			};
			this.originalTitle = this.element.attr( "title" );
			if ( this.options.title == null && this.originalTitle != null ) {
				this.options.title = this.originalTitle;
			}

			// Dialogs can't be disabled
			if ( this.options.disabled ) {
				this.options.disabled = false;
			}

			this._createWrapper();

			this.element
			.show()
			.removeAttr( "title" )
			.appendTo( this.uiDialog );

			this._addClass( "ui-dialog-content", "ui-widget-content" );

			this._createTitlebar();
			this._createButtonPane();

			if ( this.options.draggable && $.fn.draggable ) {
				this._makeDraggable();
			}
			if ( this.options.resizable && $.fn.resizable ) {
				this._makeResizable();
			}

			this._isOpen = false;

			this._trackFocus();
		},

		_init: function() {
			if ( this.options.autoOpen ) {
				this.open();
			}
		},

		_appendTo: function() {
			var element = this.options.appendTo;
			if ( element && ( element.jquery || element.nodeType ) ) {
				return $( element );
			}
			return this.document.find( element || "body" ).eq( 0 );
		},

		_destroy: function() {
			var next,
				originalPosition = this.originalPosition;

			this._untrackInstance();
			this._destroyOverlay();

			this.element
			.removeUniqueId()
			.css( this.originalCss )

			// Without detaching first, the following becomes really slow
			.detach();

			this.uiDialog.remove();

			if ( this.originalTitle ) {
				this.element.attr( "title", this.originalTitle );
			}

			next = originalPosition.parent.children().eq( originalPosition.index );

			// Don't try to place the dialog next to itself (#8613)
			if ( next.length && next[ 0 ] !== this.element[ 0 ] ) {
				next.before( this.element );
			} else {
				originalPosition.parent.append( this.element );
			}
		},

		widget: function() {
			return this.uiDialog;
		},

		disable: $.noop,
		enable: $.noop,

		close: function( event ) {
			var that = this;

			if ( !this._isOpen || this._trigger( "beforeClose", event ) === false ) {
				return;
			}

			this._isOpen = false;
			this._focusedElement = null;
			this._destroyOverlay();
			this._untrackInstance();

			if ( !this.opener.filter( ":focusable" ).trigger( "focus" ).length ) {

				// Hiding a focused element doesn't trigger blur in WebKit
				// so in case we have nothing to focus on, explicitly blur the active element
				// https://bugs.webkit.org/show_bug.cgi?id=47182
				$.ui.safeBlur( $.ui.safeActiveElement( this.document[ 0 ] ) );
			}

			this._hide( this.uiDialog, this.options.hide, function() {
				that._trigger( "close", event );
			} );
		},

		isOpen: function() {
			return this._isOpen;
		},

		moveToTop: function() {
			this._moveToTop();
		},

		_moveToTop: function( event, silent ) {
			var moved = false,
				zIndices = this.uiDialog.siblings( ".ui-front:visible" ).map( function() {
					return +$( this ).css( "z-index" );
				} ).get(),
				zIndexMax = Math.max.apply( null, zIndices );

			if ( zIndexMax >= +this.uiDialog.css( "z-index" ) ) {
				this.uiDialog.css( "z-index", zIndexMax + 1 );
				moved = true;
			}

			if ( moved && !silent ) {
				this._trigger( "focus", event );
			}
			return moved;
		},

		open: function() {
			var that = this;
			if ( this._isOpen ) {
				if ( this._moveToTop() ) {
					this._focusTabbable();
				}
				return;
			}

			this._isOpen = true;
			this.opener = $( $.ui.safeActiveElement( this.document[ 0 ] ) );

			this._size();
			this._position();
			this._createOverlay();
			this._moveToTop( null, true );

			// Ensure the overlay is moved to the top with the dialog, but only when
			// opening. The overlay shouldn't move after the dialog is open so that
			// modeless dialogs opened after the modal dialog stack properly.
			if ( this.overlay ) {
				this.overlay.css( "z-index", this.uiDialog.css( "z-index" ) - 1 );
			}

			this._show( this.uiDialog, this.options.show, function() {
				that._focusTabbable();
				that._trigger( "focus" );
			} );

			// Track the dialog immediately upon opening in case a focus event
			// somehow occurs outside of the dialog before an element inside the
			// dialog is focused (#10152)
			this._makeFocusTarget();

			this._trigger( "open" );
		},

		_focusTabbable: function() {

			// Set focus to the first match:
			// 1. An element that was focused previously
			// 2. First element inside the dialog matching [autofocus]
			// 3. Tabbable element inside the content element
			// 4. Tabbable element inside the buttonpane
			// 5. The close button
			// 6. The dialog itself
			var hasFocus = this._focusedElement;
			if ( !hasFocus ) {
				hasFocus = this.element.find( "[autofocus]" );
			}
			if ( !hasFocus.length ) {
				hasFocus = this.element.find( ":tabbable" );
			}
			if ( !hasFocus.length ) {
				hasFocus = this.uiDialogButtonPane.find( ":tabbable" );
			}
			if ( !hasFocus.length ) {
				hasFocus = this.uiDialogTitlebarClose.filter( ":tabbable" );
			}
			if ( !hasFocus.length ) {
				hasFocus = this.uiDialog;
			}
			hasFocus.eq( 0 ).trigger( "focus" );
		},

		_restoreTabbableFocus: function() {
			var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
				isActive = this.uiDialog[ 0 ] === activeElement ||
					$.contains( this.uiDialog[ 0 ], activeElement );
			if ( !isActive ) {
				this._focusTabbable();
			}
		},

		_keepFocus: function( event ) {
			event.preventDefault();
			this._restoreTabbableFocus();

			// support: IE
			// IE <= 8 doesn't prevent moving focus even with event.preventDefault()
			// so we check again later
			this._delay( this._restoreTabbableFocus );
		},

		_createWrapper: function() {
			this.uiDialog = $( "<div>" )
			.hide()
			.attr( {

				// Setting tabIndex makes the div focusable
				tabIndex: -1,
				role: "dialog"
			} )
			.appendTo( this._appendTo() );

			this._addClass( this.uiDialog, "ui-dialog", "ui-widget ui-widget-content ui-front" );
			this._on( this.uiDialog, {
				keydown: function( event ) {
					if ( this.options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
						event.keyCode === $.ui.keyCode.ESCAPE ) {
						event.preventDefault();
						this.close( event );
						return;
					}

					// Prevent tabbing out of dialogs
					if ( event.keyCode !== $.ui.keyCode.TAB || event.isDefaultPrevented() ) {
						return;
					}
					var tabbables = this.uiDialog.find( ":tabbable" ),
						first = tabbables.first(),
						last = tabbables.last();

					if ( ( event.target === last[ 0 ] || event.target === this.uiDialog[ 0 ] ) &&
						!event.shiftKey ) {
						this._delay( function() {
							first.trigger( "focus" );
						} );
						event.preventDefault();
					} else if ( ( event.target === first[ 0 ] ||
						event.target === this.uiDialog[ 0 ] ) && event.shiftKey ) {
						this._delay( function() {
							last.trigger( "focus" );
						} );
						event.preventDefault();
					}
				},
				mousedown: function( event ) {
					if ( this._moveToTop( event ) ) {
						this._focusTabbable();
					}
				}
			} );

			// We assume that any existing aria-describedby attribute means
			// that the dialog content is marked up properly
			// otherwise we brute force the content as the description
			if ( !this.element.find( "[aria-describedby]" ).length ) {
				this.uiDialog.attr( {
					"aria-describedby": this.element.uniqueId().attr( "id" )
				} );
			}
		},

		_createTitlebar: function() {
			var uiDialogTitle;

			this.uiDialogTitlebar = $( "<div>" );
			this._addClass( this.uiDialogTitlebar,
				"ui-dialog-titlebar", "ui-widget-header ui-helper-clearfix" );
			this._on( this.uiDialogTitlebar, {
				mousedown: function( event ) {

					// Don't prevent click on close button (#8838)
					// Focusing a dialog that is partially scrolled out of view
					// causes the browser to scroll it into view, preventing the click event
					if ( !$( event.target ).closest( ".ui-dialog-titlebar-close" ) ) {

						// Dialog isn't getting focus when dragging (#8063)
						this.uiDialog.trigger( "focus" );
					}
				}
			} );

			// Support: IE
			// Use type="button" to prevent enter keypresses in textboxes from closing the
			// dialog in IE (#9312)
			this.uiDialogTitlebarClose = $( "<button type='button'></button>" )
			.button( {
				label: $( "<a>" ).text( this.options.closeText ).html(),
				icon: "ui-icon-closethick",
				showLabel: false
			} )
			.appendTo( this.uiDialogTitlebar );

			this._addClass( this.uiDialogTitlebarClose, "ui-dialog-titlebar-close" );
			this._on( this.uiDialogTitlebarClose, {
				click: function( event ) {
					event.preventDefault();
					this.close( event );
				}
			} );

			uiDialogTitle = $( "<span>" ).uniqueId().prependTo( this.uiDialogTitlebar );
			this._addClass( uiDialogTitle, "ui-dialog-title" );
			this._title( uiDialogTitle );

			this.uiDialogTitlebar.prependTo( this.uiDialog );

			this.uiDialog.attr( {
				"aria-labelledby": uiDialogTitle.attr( "id" )
			} );
		},

		_title: function( title ) {
			if ( this.options.title ) {
				title.text( this.options.title );
			} else {
				title.html( "&#160;" );
			}
		},

		_createButtonPane: function() {
			this.uiDialogButtonPane = $( "<div>" );
			this._addClass( this.uiDialogButtonPane, "ui-dialog-buttonpane",
				"ui-widget-content ui-helper-clearfix" );

			this.uiButtonSet = $( "<div>" )
			.appendTo( this.uiDialogButtonPane );
			this._addClass( this.uiButtonSet, "ui-dialog-buttonset" );

			this._createButtons();
		},

		_createButtons: function() {
			var that = this,
				buttons = this.options.buttons;

			// If we already have a button pane, remove it
			this.uiDialogButtonPane.remove();
			this.uiButtonSet.empty();

			if ( $.isEmptyObject( buttons ) || ( Array.isArray( buttons ) && !buttons.length ) ) {
				this._removeClass( this.uiDialog, "ui-dialog-buttons" );
				return;
			}

			$.each( buttons, function( name, props ) {
				var click, buttonOptions;
				props = typeof props === "function" ?
					{ click: props, text: name } :
					props;

				// Default to a non-submitting button
				props = $.extend( { type: "button" }, props );

				// Change the context for the click callback to be the main element
				click = props.click;
				buttonOptions = {
					icon: props.icon,
					iconPosition: props.iconPosition,
					showLabel: props.showLabel,

					// Deprecated options
					icons: props.icons,
					text: props.text
				};

				delete props.click;
				delete props.icon;
				delete props.iconPosition;
				delete props.showLabel;

				// Deprecated options
				delete props.icons;
				if ( typeof props.text === "boolean" ) {
					delete props.text;
				}

				$( "<button></button>", props )
				.button( buttonOptions )
				.appendTo( that.uiButtonSet )
				.on( "click", function() {
					click.apply( that.element[ 0 ], arguments );
				} );
			} );
			this._addClass( this.uiDialog, "ui-dialog-buttons" );
			this.uiDialogButtonPane.appendTo( this.uiDialog );
		},

		_makeDraggable: function() {
			var that = this,
				options = this.options;

			function filteredUi( ui ) {
				return {
					position: ui.position,
					offset: ui.offset
				};
			}

			this.uiDialog.draggable( {
				cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
				handle: ".ui-dialog-titlebar",
				containment: "document",
				start: function( event, ui ) {
					that._addClass( $( this ), "ui-dialog-dragging" );
					that._blockFrames();
					that._trigger( "dragStart", event, filteredUi( ui ) );
				},
				drag: function( event, ui ) {
					that._trigger( "drag", event, filteredUi( ui ) );
				},
				stop: function( event, ui ) {
					var left = ui.offset.left - that.document.scrollLeft(),
						top = ui.offset.top - that.document.scrollTop();

					options.position = {
						my: "left top",
						at: "left" + ( left >= 0 ? "+" : "" ) + left + " " +
							"top" + ( top >= 0 ? "+" : "" ) + top,
						of: that.window
					};
					that._removeClass( $( this ), "ui-dialog-dragging" );
					that._unblockFrames();
					that._trigger( "dragStop", event, filteredUi( ui ) );
				}
			} );
		},

		_makeResizable: function() {
			var that = this,
				options = this.options,
				handles = options.resizable,

				// .ui-resizable has position: relative defined in the stylesheet
				// but dialogs have to use absolute or fixed positioning
				position = this.uiDialog.css( "position" ),
				resizeHandles = typeof handles === "string" ?
					handles :
					"n,e,s,w,se,sw,ne,nw";

			function filteredUi( ui ) {
				return {
					originalPosition: ui.originalPosition,
					originalSize: ui.originalSize,
					position: ui.position,
					size: ui.size
				};
			}

			this.uiDialog.resizable( {
				cancel: ".ui-dialog-content",
				containment: "document",
				alsoResize: this.element,
				maxWidth: options.maxWidth,
				maxHeight: options.maxHeight,
				minWidth: options.minWidth,
				minHeight: this._minHeight(),
				handles: resizeHandles,
				start: function( event, ui ) {
					that._addClass( $( this ), "ui-dialog-resizing" );
					that._blockFrames();
					that._trigger( "resizeStart", event, filteredUi( ui ) );
				},
				resize: function( event, ui ) {
					that._trigger( "resize", event, filteredUi( ui ) );
				},
				stop: function( event, ui ) {
					var offset = that.uiDialog.offset(),
						left = offset.left - that.document.scrollLeft(),
						top = offset.top - that.document.scrollTop();

					options.height = that.uiDialog.height();
					options.width = that.uiDialog.width();
					options.position = {
						my: "left top",
						at: "left" + ( left >= 0 ? "+" : "" ) + left + " " +
							"top" + ( top >= 0 ? "+" : "" ) + top,
						of: that.window
					};
					that._removeClass( $( this ), "ui-dialog-resizing" );
					that._unblockFrames();
					that._trigger( "resizeStop", event, filteredUi( ui ) );
				}
			} )
			.css( "position", position );
		},

		_trackFocus: function() {
			this._on( this.widget(), {
				focusin: function( event ) {
					this._makeFocusTarget();
					this._focusedElement = $( event.target );
				}
			} );
		},

		_makeFocusTarget: function() {
			this._untrackInstance();
			this._trackingInstances().unshift( this );
		},

		_untrackInstance: function() {
			var instances = this._trackingInstances(),
				exists = $.inArray( this, instances );
			if ( exists !== -1 ) {
				instances.splice( exists, 1 );
			}
		},

		_trackingInstances: function() {
			var instances = this.document.data( "ui-dialog-instances" );
			if ( !instances ) {
				instances = [];
				this.document.data( "ui-dialog-instances", instances );
			}
			return instances;
		},

		_minHeight: function() {
			var options = this.options;

			return options.height === "auto" ?
				options.minHeight :
				Math.min( options.minHeight, options.height );
		},

		_position: function() {

			// Need to show the dialog to get the actual offset in the position plugin
			var isVisible = this.uiDialog.is( ":visible" );
			if ( !isVisible ) {
				this.uiDialog.show();
			}
			this.uiDialog.position( this.options.position );
			if ( !isVisible ) {
				this.uiDialog.hide();
			}
		},

		_setOptions: function( options ) {
			var that = this,
				resize = false,
				resizableOptions = {};

			$.each( options, function( key, value ) {
				that._setOption( key, value );

				if ( key in that.sizeRelatedOptions ) {
					resize = true;
				}
				if ( key in that.resizableRelatedOptions ) {
					resizableOptions[ key ] = value;
				}
			} );

			if ( resize ) {
				this._size();
				this._position();
			}
			if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
				this.uiDialog.resizable( "option", resizableOptions );
			}
		},

		_setOption: function( key, value ) {
			var isDraggable, isResizable,
				uiDialog = this.uiDialog;

			if ( key === "disabled" ) {
				return;
			}

			this._super( key, value );

			if ( key === "appendTo" ) {
				this.uiDialog.appendTo( this._appendTo() );
			}

			if ( key === "buttons" ) {
				this._createButtons();
			}

			if ( key === "closeText" ) {
				this.uiDialogTitlebarClose.button( {

					// Ensure that we always pass a string
					label: $( "<a>" ).text( "" + this.options.closeText ).html()
				} );
			}

			if ( key === "draggable" ) {
				isDraggable = uiDialog.is( ":data(ui-draggable)" );
				if ( isDraggable && !value ) {
					uiDialog.draggable( "destroy" );
				}

				if ( !isDraggable && value ) {
					this._makeDraggable();
				}
			}

			if ( key === "position" ) {
				this._position();
			}

			if ( key === "resizable" ) {

				// currently resizable, becoming non-resizable
				isResizable = uiDialog.is( ":data(ui-resizable)" );
				if ( isResizable && !value ) {
					uiDialog.resizable( "destroy" );
				}

				// Currently resizable, changing handles
				if ( isResizable && typeof value === "string" ) {
					uiDialog.resizable( "option", "handles", value );
				}

				// Currently non-resizable, becoming resizable
				if ( !isResizable && value !== false ) {
					this._makeResizable();
				}
			}

			if ( key === "title" ) {
				this._title( this.uiDialogTitlebar.find( ".ui-dialog-title" ) );
			}
		},

		_size: function() {

			// If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
			// divs will both have width and height set, so we need to reset them
			var nonContentHeight, minContentHeight, maxContentHeight,
				options = this.options;

			// Reset content sizing
			this.element.show().css( {
				width: "auto",
				minHeight: 0,
				maxHeight: "none",
				height: 0
			} );

			if ( options.minWidth > options.width ) {
				options.width = options.minWidth;
			}

			// Reset wrapper sizing
			// determine the height of all the non-content elements
			nonContentHeight = this.uiDialog.css( {
				height: "auto",
				width: options.width
			} )
			.outerHeight();
			minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
			maxContentHeight = typeof options.maxHeight === "number" ?
				Math.max( 0, options.maxHeight - nonContentHeight ) :
				"none";

			if ( options.height === "auto" ) {
				this.element.css( {
					minHeight: minContentHeight,
					maxHeight: maxContentHeight,
					height: "auto"
				} );
			} else {
				this.element.height( Math.max( 0, options.height - nonContentHeight ) );
			}

			if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
				this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
			}
		},

		_blockFrames: function() {
			this.iframeBlocks = this.document.find( "iframe" ).map( function() {
				var iframe = $( this );

				return $( "<div>" )
				.css( {
					position: "absolute",
					width: iframe.outerWidth(),
					height: iframe.outerHeight()
				} )
				.appendTo( iframe.parent() )
				.offset( iframe.offset() )[ 0 ];
			} );
		},

		_unblockFrames: function() {
			if ( this.iframeBlocks ) {
				this.iframeBlocks.remove();
				delete this.iframeBlocks;
			}
		},

		_allowInteraction: function( event ) {
			if ( $( event.target ).closest( ".ui-dialog" ).length ) {
				return true;
			}

			// TODO: Remove hack when datepicker implements
			// the .ui-front logic (#8989)
			return !!$( event.target ).closest( ".ui-datepicker" ).length;
		},

		_createOverlay: function() {
			if ( !this.options.modal ) {
				return;
			}

			var jqMinor = $.fn.jquery.substring( 0, 4 );

			// We use a delay in case the overlay is created from an
			// event that we're going to be cancelling (#2804)
			var isOpening = true;
			this._delay( function() {
				isOpening = false;
			} );

			if ( !this.document.data( "ui-dialog-overlays" ) ) {

				// Prevent use of anchors and inputs
				// This doesn't use `_on()` because it is a shared event handler
				// across all open modal dialogs.
				this.document.on( "focusin.ui-dialog", function( event ) {
					if ( isOpening ) {
						return;
					}

					var instance = this._trackingInstances()[ 0 ];
					if ( !instance._allowInteraction( event ) ) {
						event.preventDefault();
						instance._focusTabbable();

						// Support: jQuery >=3.4 <3.6 only
						// Focus re-triggering in jQuery 3.4/3.5 makes the original element
						// have its focus event propagated last, breaking the re-targeting.
						// Trigger focus in a delay in addition if needed to avoid the issue
						// See https://github.com/jquery/jquery/issues/4382
						if ( jqMinor === "3.4." || jqMinor === "3.5." ) {
							instance._delay( instance._restoreTabbableFocus );
						}
					}
				}.bind( this ) );
			}

			this.overlay = $( "<div>" )
			.appendTo( this._appendTo() );

			this._addClass( this.overlay, null, "ui-widget-overlay ui-front" );
			this._on( this.overlay, {
				mousedown: "_keepFocus"
			} );
			this.document.data( "ui-dialog-overlays",
				( this.document.data( "ui-dialog-overlays" ) || 0 ) + 1 );
		},

		_destroyOverlay: function() {
			if ( !this.options.modal ) {
				return;
			}

			if ( this.overlay ) {
				var overlays = this.document.data( "ui-dialog-overlays" ) - 1;

				if ( !overlays ) {
					this.document.off( "focusin.ui-dialog" );
					this.document.removeData( "ui-dialog-overlays" );
				} else {
					this.document.data( "ui-dialog-overlays", overlays );
				}

				this.overlay.remove();
				this.overlay = null;
			}
		}
	} );

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
	if ( $.uiBackCompat !== false ) {

		// Backcompat for dialogClass option
		$.widget( "ui.dialog", $.ui.dialog, {
			options: {
				dialogClass: ""
			},
			_createWrapper: function() {
				this._super();
				this.uiDialog.addClass( this.options.dialogClass );
			},
			_setOption: function( key, value ) {
				if ( key === "dialogClass" ) {
					this.uiDialog
					.removeClass( this.options.dialogClass )
					.addClass( value );
				}
				this._superApply( arguments );
			}
		} );
	}

	var widgetsDialog = $.ui.dialog;


	/*!
 * jQuery UI Droppable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Droppable
//>>group: Interactions
//>>description: Enables drop targets for draggable elements.
//>>docs: http://api.jqueryui.com/droppable/
//>>demos: http://jqueryui.com/droppable/


	$.widget( "ui.droppable", {
		version: "1.13.0",
		widgetEventPrefix: "drop",
		options: {
			accept: "*",
			addClasses: true,
			greedy: false,
			scope: "default",
			tolerance: "intersect",

			// Callbacks
			activate: null,
			deactivate: null,
			drop: null,
			out: null,
			over: null
		},
		_create: function() {

			var proportions,
				o = this.options,
				accept = o.accept;

			this.isover = false;
			this.isout = true;

			this.accept = typeof accept === "function" ? accept : function( d ) {
				return d.is( accept );
			};

			this.proportions = function( /* valueToWrite */ ) {
				if ( arguments.length ) {

					// Store the droppable's proportions
					proportions = arguments[ 0 ];
				} else {

					// Retrieve or derive the droppable's proportions
					return proportions ?
						proportions :
						proportions = {
							width: this.element[ 0 ].offsetWidth,
							height: this.element[ 0 ].offsetHeight
						};
				}
			};

			this._addToManager( o.scope );

			if ( o.addClasses ) {
				this._addClass( "ui-droppable" );
			}

		},

		_addToManager: function( scope ) {

			// Add the reference and positions to the manager
			$.ui.ddmanager.droppables[ scope ] = $.ui.ddmanager.droppables[ scope ] || [];
			$.ui.ddmanager.droppables[ scope ].push( this );
		},

		_splice: function( drop ) {
			var i = 0;
			for ( ; i < drop.length; i++ ) {
				if ( drop[ i ] === this ) {
					drop.splice( i, 1 );
				}
			}
		},

		_destroy: function() {
			var drop = $.ui.ddmanager.droppables[ this.options.scope ];

			this._splice( drop );
		},

		_setOption: function( key, value ) {

			if ( key === "accept" ) {
				this.accept = typeof value === "function" ? value : function( d ) {
					return d.is( value );
				};
			} else if ( key === "scope" ) {
				var drop = $.ui.ddmanager.droppables[ this.options.scope ];

				this._splice( drop );
				this._addToManager( value );
			}

			this._super( key, value );
		},

		_activate: function( event ) {
			var draggable = $.ui.ddmanager.current;

			this._addActiveClass();
			if ( draggable ) {
				this._trigger( "activate", event, this.ui( draggable ) );
			}
		},

		_deactivate: function( event ) {
			var draggable = $.ui.ddmanager.current;

			this._removeActiveClass();
			if ( draggable ) {
				this._trigger( "deactivate", event, this.ui( draggable ) );
			}
		},

		_over: function( event ) {

			var draggable = $.ui.ddmanager.current;

			// Bail if draggable and droppable are same element
			if ( !draggable || ( draggable.currentItem ||
				draggable.element )[ 0 ] === this.element[ 0 ] ) {
				return;
			}

			if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
				draggable.element ) ) ) {
				this._addHoverClass();
				this._trigger( "over", event, this.ui( draggable ) );
			}

		},

		_out: function( event ) {

			var draggable = $.ui.ddmanager.current;

			// Bail if draggable and droppable are same element
			if ( !draggable || ( draggable.currentItem ||
				draggable.element )[ 0 ] === this.element[ 0 ] ) {
				return;
			}

			if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
				draggable.element ) ) ) {
				this._removeHoverClass();
				this._trigger( "out", event, this.ui( draggable ) );
			}

		},

		_drop: function( event, custom ) {

			var draggable = custom || $.ui.ddmanager.current,
				childrenIntersection = false;

			// Bail if draggable and droppable are same element
			if ( !draggable || ( draggable.currentItem ||
				draggable.element )[ 0 ] === this.element[ 0 ] ) {
				return false;
			}

			this.element
			.find( ":data(ui-droppable)" )
			.not( ".ui-draggable-dragging" )
			.each( function() {
				var inst = $( this ).droppable( "instance" );
				if (
					inst.options.greedy &&
					!inst.options.disabled &&
					inst.options.scope === draggable.options.scope &&
					inst.accept.call(
						inst.element[ 0 ], ( draggable.currentItem || draggable.element )
					) &&
					$.ui.intersect(
						draggable,
						$.extend( inst, { offset: inst.element.offset() } ),
						inst.options.tolerance, event
					)
				) {
					childrenIntersection = true;
					return false;
				}
			} );
			if ( childrenIntersection ) {
				return false;
			}

			if ( this.accept.call( this.element[ 0 ],
				( draggable.currentItem || draggable.element ) ) ) {
				this._removeActiveClass();
				this._removeHoverClass();

				this._trigger( "drop", event, this.ui( draggable ) );
				return this.element;
			}

			return false;

		},

		ui: function( c ) {
			return {
				draggable: ( c.currentItem || c.element ),
				helper: c.helper,
				position: c.position,
				offset: c.positionAbs
			};
		},

		// Extension points just to make backcompat sane and avoid duplicating logic
		// TODO: Remove in 1.14 along with call to it below
		_addHoverClass: function() {
			this._addClass( "ui-droppable-hover" );
		},

		_removeHoverClass: function() {
			this._removeClass( "ui-droppable-hover" );
		},

		_addActiveClass: function() {
			this._addClass( "ui-droppable-active" );
		},

		_removeActiveClass: function() {
			this._removeClass( "ui-droppable-active" );
		}
	} );

	$.ui.intersect = ( function() {
		function isOverAxis( x, reference, size ) {
			return ( x >= reference ) && ( x < ( reference + size ) );
		}

		return function( draggable, droppable, toleranceMode, event ) {

			if ( !droppable.offset ) {
				return false;
			}

			var x1 = ( draggable.positionAbs ||
					draggable.position.absolute ).left + draggable.margins.left,
				y1 = ( draggable.positionAbs ||
					draggable.position.absolute ).top + draggable.margins.top,
				x2 = x1 + draggable.helperProportions.width,
				y2 = y1 + draggable.helperProportions.height,
				l = droppable.offset.left,
				t = droppable.offset.top,
				r = l + droppable.proportions().width,
				b = t + droppable.proportions().height;

			switch ( toleranceMode ) {
				case "fit":
					return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
				case "intersect":
					return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
						x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
						t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
						y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
				case "pointer":
					return isOverAxis( event.pageY, t, droppable.proportions().height ) &&
						isOverAxis( event.pageX, l, droppable.proportions().width );
				case "touch":
					return (
						( y1 >= t && y1 <= b ) || // Top edge touching
						( y2 >= t && y2 <= b ) || // Bottom edge touching
						( y1 < t && y2 > b ) // Surrounded vertically
					) && (
						( x1 >= l && x1 <= r ) || // Left edge touching
						( x2 >= l && x2 <= r ) || // Right edge touching
						( x1 < l && x2 > r ) // Surrounded horizontally
					);
				default:
					return false;
			}
		};
	} )();

	/*
	This manager tracks offsets of draggables and droppables
*/
	$.ui.ddmanager = {
		current: null,
		droppables: { "default": [] },
		prepareOffsets: function( t, event ) {

			var i, j,
				m = $.ui.ddmanager.droppables[ t.options.scope ] || [],
				type = event ? event.type : null, // workaround for #2317
				list = ( t.currentItem || t.element ).find( ":data(ui-droppable)" ).addBack();

			droppablesLoop: for ( i = 0; i < m.length; i++ ) {

				// No disabled and non-accepted
				if ( m[ i ].options.disabled || ( t && !m[ i ].accept.call( m[ i ].element[ 0 ],
					( t.currentItem || t.element ) ) ) ) {
					continue;
				}

				// Filter out elements in the current dragged item
				for ( j = 0; j < list.length; j++ ) {
					if ( list[ j ] === m[ i ].element[ 0 ] ) {
						m[ i ].proportions().height = 0;
						continue droppablesLoop;
					}
				}

				m[ i ].visible = m[ i ].element.css( "display" ) !== "none";
				if ( !m[ i ].visible ) {
					continue;
				}

				// Activate the droppable if used directly from draggables
				if ( type === "mousedown" ) {
					m[ i ]._activate.call( m[ i ], event );
				}

				m[ i ].offset = m[ i ].element.offset();
				m[ i ].proportions( {
					width: m[ i ].element[ 0 ].offsetWidth,
					height: m[ i ].element[ 0 ].offsetHeight
				} );

			}

		},
		drop: function( draggable, event ) {

			var dropped = false;

			// Create a copy of the droppables in case the list changes during the drop (#9116)
			$.each( ( $.ui.ddmanager.droppables[ draggable.options.scope ] || [] ).slice(), function() {

				if ( !this.options ) {
					return;
				}
				if ( !this.options.disabled && this.visible &&
					$.ui.intersect( draggable, this, this.options.tolerance, event ) ) {
					dropped = this._drop.call( this, event ) || dropped;
				}

				if ( !this.options.disabled && this.visible && this.accept.call( this.element[ 0 ],
					( draggable.currentItem || draggable.element ) ) ) {
					this.isout = true;
					this.isover = false;
					this._deactivate.call( this, event );
				}

			} );
			return dropped;

		},
		dragStart: function( draggable, event ) {

			// Listen for scrolling so that if the dragging causes scrolling the position of the
			// droppables can be recalculated (see #5003)
			draggable.element.parentsUntil( "body" ).on( "scroll.droppable", function() {
				if ( !draggable.options.refreshPositions ) {
					$.ui.ddmanager.prepareOffsets( draggable, event );
				}
			} );
		},
		drag: function( draggable, event ) {

			// If you have a highly dynamic page, you might try this option. It renders positions
			// every time you move the mouse.
			if ( draggable.options.refreshPositions ) {
				$.ui.ddmanager.prepareOffsets( draggable, event );
			}

			// Run through all droppables and check their positions based on specific tolerance options
			$.each( $.ui.ddmanager.droppables[ draggable.options.scope ] || [], function() {

				if ( this.options.disabled || this.greedyChild || !this.visible ) {
					return;
				}

				var parentInstance, scope, parent,
					intersects = $.ui.intersect( draggable, this, this.options.tolerance, event ),
					c = !intersects && this.isover ?
						"isout" :
						( intersects && !this.isover ? "isover" : null );
				if ( !c ) {
					return;
				}

				if ( this.options.greedy ) {

					// find droppable parents with same scope
					scope = this.options.scope;
					parent = this.element.parents( ":data(ui-droppable)" ).filter( function() {
						return $( this ).droppable( "instance" ).options.scope === scope;
					} );

					if ( parent.length ) {
						parentInstance = $( parent[ 0 ] ).droppable( "instance" );
						parentInstance.greedyChild = ( c === "isover" );
					}
				}

				// We just moved into a greedy child
				if ( parentInstance && c === "isover" ) {
					parentInstance.isover = false;
					parentInstance.isout = true;
					parentInstance._out.call( parentInstance, event );
				}

				this[ c ] = true;
				this[ c === "isout" ? "isover" : "isout" ] = false;
				this[ c === "isover" ? "_over" : "_out" ].call( this, event );

				// We just moved out of a greedy child
				if ( parentInstance && c === "isout" ) {
					parentInstance.isout = false;
					parentInstance.isover = true;
					parentInstance._over.call( parentInstance, event );
				}
			} );

		},
		dragStop: function( draggable, event ) {
			draggable.element.parentsUntil( "body" ).off( "scroll.droppable" );

			// Call prepareOffsets one final time since IE does not fire return scroll events when
			// overflow was caused by drag (see #5003)
			if ( !draggable.options.refreshPositions ) {
				$.ui.ddmanager.prepareOffsets( draggable, event );
			}
		}
	};

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
	if ( $.uiBackCompat !== false ) {

		// Backcompat for activeClass and hoverClass options
		$.widget( "ui.droppable", $.ui.droppable, {
			options: {
				hoverClass: false,
				activeClass: false
			},
			_addActiveClass: function() {
				this._super();
				if ( this.options.activeClass ) {
					this.element.addClass( this.options.activeClass );
				}
			},
			_removeActiveClass: function() {
				this._super();
				if ( this.options.activeClass ) {
					this.element.removeClass( this.options.activeClass );
				}
			},
			_addHoverClass: function() {
				this._super();
				if ( this.options.hoverClass ) {
					this.element.addClass( this.options.hoverClass );
				}
			},
			_removeHoverClass: function() {
				this._super();
				if ( this.options.hoverClass ) {
					this.element.removeClass( this.options.hoverClass );
				}
			}
		} );
	}

	var widgetsDroppable = $.ui.droppable;


	/*!
 * jQuery UI Progressbar 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Progressbar
//>>group: Widgets
	/* eslint-disable max-len */
//>>description: Displays a status indicator for loading state, standard percentage, and other progress indicators.
	/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/progressbar/
//>>demos: http://jqueryui.com/progressbar/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/progressbar.css
//>>css.theme: ../../themes/base/theme.css


	var widgetsProgressbar = $.widget( "ui.progressbar", {
		version: "1.13.0",
		options: {
			classes: {
				"ui-progressbar": "ui-corner-all",
				"ui-progressbar-value": "ui-corner-left",
				"ui-progressbar-complete": "ui-corner-right"
			},
			max: 100,
			value: 0,

			change: null,
			complete: null
		},

		min: 0,

		_create: function() {

			// Constrain initial value
			this.oldValue = this.options.value = this._constrainedValue();

			this.element.attr( {

				// Only set static values; aria-valuenow and aria-valuemax are
				// set inside _refreshValue()
				role: "progressbar",
				"aria-valuemin": this.min
			} );
			this._addClass( "ui-progressbar", "ui-widget ui-widget-content" );

			this.valueDiv = $( "<div>" ).appendTo( this.element );
			this._addClass( this.valueDiv, "ui-progressbar-value", "ui-widget-header" );
			this._refreshValue();
		},

		_destroy: function() {
			this.element.removeAttr( "role aria-valuemin aria-valuemax aria-valuenow" );

			this.valueDiv.remove();
		},

		value: function( newValue ) {
			if ( newValue === undefined ) {
				return this.options.value;
			}

			this.options.value = this._constrainedValue( newValue );
			this._refreshValue();
		},

		_constrainedValue: function( newValue ) {
			if ( newValue === undefined ) {
				newValue = this.options.value;
			}

			this.indeterminate = newValue === false;

			// Sanitize value
			if ( typeof newValue !== "number" ) {
				newValue = 0;
			}

			return this.indeterminate ? false :
				Math.min( this.options.max, Math.max( this.min, newValue ) );
		},

		_setOptions: function( options ) {

			// Ensure "value" option is set after other values (like max)
			var value = options.value;
			delete options.value;

			this._super( options );

			this.options.value = this._constrainedValue( value );
			this._refreshValue();
		},

		_setOption: function( key, value ) {
			if ( key === "max" ) {

				// Don't allow a max less than min
				value = Math.max( this.min, value );
			}
			this._super( key, value );
		},

		_setOptionDisabled: function( value ) {
			this._super( value );

			this.element.attr( "aria-disabled", value );
			this._toggleClass( null, "ui-state-disabled", !!value );
		},

		_percentage: function() {
			return this.indeterminate ?
				100 :
				100 * ( this.options.value - this.min ) / ( this.options.max - this.min );
		},

		_refreshValue: function() {
			var value = this.options.value,
				percentage = this._percentage();

			this.valueDiv
			.toggle( this.indeterminate || value > this.min )
			.width( percentage.toFixed( 0 ) + "%" );

			this
			._toggleClass( this.valueDiv, "ui-progressbar-complete", null,
				value === this.options.max )
			._toggleClass( "ui-progressbar-indeterminate", null, this.indeterminate );

			if ( this.indeterminate ) {
				this.element.removeAttr( "aria-valuenow" );
				if ( !this.overlayDiv ) {
					this.overlayDiv = $( "<div>" ).appendTo( this.valueDiv );
					this._addClass( this.overlayDiv, "ui-progressbar-overlay" );
				}
			} else {
				this.element.attr( {
					"aria-valuemax": this.options.max,
					"aria-valuenow": value
				} );
				if ( this.overlayDiv ) {
					this.overlayDiv.remove();
					this.overlayDiv = null;
				}
			}

			if ( this.oldValue !== value ) {
				this.oldValue = value;
				this._trigger( "change" );
			}
			if ( value === this.options.max ) {
				this._trigger( "complete" );
			}
		}
	} );


	/*!
 * jQuery UI Selectable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Selectable
//>>group: Interactions
//>>description: Allows groups of elements to be selected with the mouse.
//>>docs: http://api.jqueryui.com/selectable/
//>>demos: http://jqueryui.com/selectable/
//>>css.structure: ../../themes/base/selectable.css


	var widgetsSelectable = $.widget( "ui.selectable", $.ui.mouse, {
		version: "1.13.0",
		options: {
			appendTo: "body",
			autoRefresh: true,
			distance: 0,
			filter: "*",
			tolerance: "touch",

			// Callbacks
			selected: null,
			selecting: null,
			start: null,
			stop: null,
			unselected: null,
			unselecting: null
		},
		_create: function() {
			var that = this;

			this._addClass( "ui-selectable" );

			this.dragged = false;

			// Cache selectee children based on filter
			this.refresh = function() {
				that.elementPos = $( that.element[ 0 ] ).offset();
				that.selectees = $( that.options.filter, that.element[ 0 ] );
				that._addClass( that.selectees, "ui-selectee" );
				that.selectees.each( function() {
					var $this = $( this ),
						selecteeOffset = $this.offset(),
						pos = {
							left: selecteeOffset.left - that.elementPos.left,
							top: selecteeOffset.top - that.elementPos.top
						};
					$.data( this, "selectable-item", {
						element: this,
						$element: $this,
						left: pos.left,
						top: pos.top,
						right: pos.left + $this.outerWidth(),
						bottom: pos.top + $this.outerHeight(),
						startselected: false,
						selected: $this.hasClass( "ui-selected" ),
						selecting: $this.hasClass( "ui-selecting" ),
						unselecting: $this.hasClass( "ui-unselecting" )
					} );
				} );
			};
			this.refresh();

			this._mouseInit();

			this.helper = $( "<div>" );
			this._addClass( this.helper, "ui-selectable-helper" );
		},

		_destroy: function() {
			this.selectees.removeData( "selectable-item" );
			this._mouseDestroy();
		},

		_mouseStart: function( event ) {
			var that = this,
				options = this.options;

			this.opos = [ event.pageX, event.pageY ];
			this.elementPos = $( this.element[ 0 ] ).offset();

			if ( this.options.disabled ) {
				return;
			}

			this.selectees = $( options.filter, this.element[ 0 ] );

			this._trigger( "start", event );

			$( options.appendTo ).append( this.helper );

			// position helper (lasso)
			this.helper.css( {
				"left": event.pageX,
				"top": event.pageY,
				"width": 0,
				"height": 0
			} );

			if ( options.autoRefresh ) {
				this.refresh();
			}

			this.selectees.filter( ".ui-selected" ).each( function() {
				var selectee = $.data( this, "selectable-item" );
				selectee.startselected = true;
				if ( !event.metaKey && !event.ctrlKey ) {
					that._removeClass( selectee.$element, "ui-selected" );
					selectee.selected = false;
					that._addClass( selectee.$element, "ui-unselecting" );
					selectee.unselecting = true;

					// selectable UNSELECTING callback
					that._trigger( "unselecting", event, {
						unselecting: selectee.element
					} );
				}
			} );

			$( event.target ).parents().addBack().each( function() {
				var doSelect,
					selectee = $.data( this, "selectable-item" );
				if ( selectee ) {
					doSelect = ( !event.metaKey && !event.ctrlKey ) ||
						!selectee.$element.hasClass( "ui-selected" );
					that._removeClass( selectee.$element, doSelect ? "ui-unselecting" : "ui-selected" )
					._addClass( selectee.$element, doSelect ? "ui-selecting" : "ui-unselecting" );
					selectee.unselecting = !doSelect;
					selectee.selecting = doSelect;
					selectee.selected = doSelect;

					// selectable (UN)SELECTING callback
					if ( doSelect ) {
						that._trigger( "selecting", event, {
							selecting: selectee.element
						} );
					} else {
						that._trigger( "unselecting", event, {
							unselecting: selectee.element
						} );
					}
					return false;
				}
			} );

		},

		_mouseDrag: function( event ) {

			this.dragged = true;

			if ( this.options.disabled ) {
				return;
			}

			var tmp,
				that = this,
				options = this.options,
				x1 = this.opos[ 0 ],
				y1 = this.opos[ 1 ],
				x2 = event.pageX,
				y2 = event.pageY;

			if ( x1 > x2 ) {
				tmp = x2; x2 = x1; x1 = tmp;
			}
			if ( y1 > y2 ) {
				tmp = y2; y2 = y1; y1 = tmp;
			}
			this.helper.css( { left: x1, top: y1, width: x2 - x1, height: y2 - y1 } );

			this.selectees.each( function() {
				var selectee = $.data( this, "selectable-item" ),
					hit = false,
					offset = {};

				//prevent helper from being selected if appendTo: selectable
				if ( !selectee || selectee.element === that.element[ 0 ] ) {
					return;
				}

				offset.left   = selectee.left   + that.elementPos.left;
				offset.right  = selectee.right  + that.elementPos.left;
				offset.top    = selectee.top    + that.elementPos.top;
				offset.bottom = selectee.bottom + that.elementPos.top;

				if ( options.tolerance === "touch" ) {
					hit = ( !( offset.left > x2 || offset.right < x1 || offset.top > y2 ||
						offset.bottom < y1 ) );
				} else if ( options.tolerance === "fit" ) {
					hit = ( offset.left > x1 && offset.right < x2 && offset.top > y1 &&
						offset.bottom < y2 );
				}

				if ( hit ) {

					// SELECT
					if ( selectee.selected ) {
						that._removeClass( selectee.$element, "ui-selected" );
						selectee.selected = false;
					}
					if ( selectee.unselecting ) {
						that._removeClass( selectee.$element, "ui-unselecting" );
						selectee.unselecting = false;
					}
					if ( !selectee.selecting ) {
						that._addClass( selectee.$element, "ui-selecting" );
						selectee.selecting = true;

						// selectable SELECTING callback
						that._trigger( "selecting", event, {
							selecting: selectee.element
						} );
					}
				} else {

					// UNSELECT
					if ( selectee.selecting ) {
						if ( ( event.metaKey || event.ctrlKey ) && selectee.startselected ) {
							that._removeClass( selectee.$element, "ui-selecting" );
							selectee.selecting = false;
							that._addClass( selectee.$element, "ui-selected" );
							selectee.selected = true;
						} else {
							that._removeClass( selectee.$element, "ui-selecting" );
							selectee.selecting = false;
							if ( selectee.startselected ) {
								that._addClass( selectee.$element, "ui-unselecting" );
								selectee.unselecting = true;
							}

							// selectable UNSELECTING callback
							that._trigger( "unselecting", event, {
								unselecting: selectee.element
							} );
						}
					}
					if ( selectee.selected ) {
						if ( !event.metaKey && !event.ctrlKey && !selectee.startselected ) {
							that._removeClass( selectee.$element, "ui-selected" );
							selectee.selected = false;

							that._addClass( selectee.$element, "ui-unselecting" );
							selectee.unselecting = true;

							// selectable UNSELECTING callback
							that._trigger( "unselecting", event, {
								unselecting: selectee.element
							} );
						}
					}
				}
			} );

			return false;
		},

		_mouseStop: function( event ) {
			var that = this;

			this.dragged = false;

			$( ".ui-unselecting", this.element[ 0 ] ).each( function() {
				var selectee = $.data( this, "selectable-item" );
				that._removeClass( selectee.$element, "ui-unselecting" );
				selectee.unselecting = false;
				selectee.startselected = false;
				that._trigger( "unselected", event, {
					unselected: selectee.element
				} );
			} );
			$( ".ui-selecting", this.element[ 0 ] ).each( function() {
				var selectee = $.data( this, "selectable-item" );
				that._removeClass( selectee.$element, "ui-selecting" )
				._addClass( selectee.$element, "ui-selected" );
				selectee.selecting = false;
				selectee.selected = true;
				selectee.startselected = true;
				that._trigger( "selected", event, {
					selected: selectee.element
				} );
			} );
			this._trigger( "stop", event );

			this.helper.remove();

			return false;
		}

	} );


	/*!
 * jQuery UI Selectmenu 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Selectmenu
//>>group: Widgets
	/* eslint-disable max-len */
//>>description: Duplicates and extends the functionality of a native HTML select element, allowing it to be customizable in behavior and appearance far beyond the limitations of a native select.
	/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/selectmenu/
//>>demos: http://jqueryui.com/selectmenu/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/selectmenu.css, ../../themes/base/button.css
//>>css.theme: ../../themes/base/theme.css


	var widgetsSelectmenu = $.widget( "ui.selectmenu", [ $.ui.formResetMixin, {
		version: "1.13.0",
		defaultElement: "<select>",
		options: {
			appendTo: null,
			classes: {
				"ui-selectmenu-button-open": "ui-corner-top",
				"ui-selectmenu-button-closed": "ui-corner-all"
			},
			disabled: null,
			icons: {
				button: "ui-icon-triangle-1-s"
			},
			position: {
				my: "left top",
				at: "left bottom",
				collision: "none"
			},
			width: false,

			// Callbacks
			change: null,
			close: null,
			focus: null,
			open: null,
			select: null
		},

		_create: function() {
			var selectmenuId = this.element.uniqueId().attr( "id" );
			this.ids = {
				element: selectmenuId,
				button: selectmenuId + "-button",
				menu: selectmenuId + "-menu"
			};

			this._drawButton();
			this._drawMenu();
			this._bindFormResetHandler();

			this._rendered = false;
			this.menuItems = $();
		},

		_drawButton: function() {
			var icon,
				that = this,
				item = this._parseOption(
					this.element.find( "option:selected" ),
					this.element[ 0 ].selectedIndex
				);

			// Associate existing label with the new button
			this.labels = this.element.labels().attr( "for", this.ids.button );
			this._on( this.labels, {
				click: function( event ) {
					this.button.trigger( "focus" );
					event.preventDefault();
				}
			} );

			// Hide original select element
			this.element.hide();

			// Create button
			this.button = $( "<span>", {
				tabindex: this.options.disabled ? -1 : 0,
				id: this.ids.button,
				role: "combobox",
				"aria-expanded": "false",
				"aria-autocomplete": "list",
				"aria-owns": this.ids.menu,
				"aria-haspopup": "true",
				title: this.element.attr( "title" )
			} )
			.insertAfter( this.element );

			this._addClass( this.button, "ui-selectmenu-button ui-selectmenu-button-closed",
				"ui-button ui-widget" );

			icon = $( "<span>" ).appendTo( this.button );
			this._addClass( icon, "ui-selectmenu-icon", "ui-icon " + this.options.icons.button );
			this.buttonItem = this._renderButtonItem( item )
			.appendTo( this.button );

			if ( this.options.width !== false ) {
				this._resizeButton();
			}

			this._on( this.button, this._buttonEvents );
			this.button.one( "focusin", function() {

				// Delay rendering the menu items until the button receives focus.
				// The menu may have already been rendered via a programmatic open.
				if ( !that._rendered ) {
					that._refreshMenu();
				}
			} );
		},

		_drawMenu: function() {
			var that = this;

			// Create menu
			this.menu = $( "<ul>", {
				"aria-hidden": "true",
				"aria-labelledby": this.ids.button,
				id: this.ids.menu
			} );

			// Wrap menu
			this.menuWrap = $( "<div>" ).append( this.menu );
			this._addClass( this.menuWrap, "ui-selectmenu-menu", "ui-front" );
			this.menuWrap.appendTo( this._appendTo() );

			// Initialize menu widget
			this.menuInstance = this.menu
			.menu( {
				classes: {
					"ui-menu": "ui-corner-bottom"
				},
				role: "listbox",
				select: function( event, ui ) {
					event.preventDefault();

					// Support: IE8
					// If the item was selected via a click, the text selection
					// will be destroyed in IE
					that._setSelection();

					that._select( ui.item.data( "ui-selectmenu-item" ), event );
				},
				focus: function( event, ui ) {
					var item = ui.item.data( "ui-selectmenu-item" );

					// Prevent inital focus from firing and check if its a newly focused item
					if ( that.focusIndex != null && item.index !== that.focusIndex ) {
						that._trigger( "focus", event, { item: item } );
						if ( !that.isOpen ) {
							that._select( item, event );
						}
					}
					that.focusIndex = item.index;

					that.button.attr( "aria-activedescendant",
						that.menuItems.eq( item.index ).attr( "id" ) );
				}
			} )
			.menu( "instance" );

			// Don't close the menu on mouseleave
			this.menuInstance._off( this.menu, "mouseleave" );

			// Cancel the menu's collapseAll on document click
			this.menuInstance._closeOnDocumentClick = function() {
				return false;
			};

			// Selects often contain empty items, but never contain dividers
			this.menuInstance._isDivider = function() {
				return false;
			};
		},

		refresh: function() {
			this._refreshMenu();
			this.buttonItem.replaceWith(
				this.buttonItem = this._renderButtonItem(

					// Fall back to an empty object in case there are no options
					this._getSelectedItem().data( "ui-selectmenu-item" ) || {}
				)
			);
			if ( this.options.width === null ) {
				this._resizeButton();
			}
		},

		_refreshMenu: function() {
			var item,
				options = this.element.find( "option" );

			this.menu.empty();

			this._parseOptions( options );
			this._renderMenu( this.menu, this.items );

			this.menuInstance.refresh();
			this.menuItems = this.menu.find( "li" )
			.not( ".ui-selectmenu-optgroup" )
			.find( ".ui-menu-item-wrapper" );

			this._rendered = true;

			if ( !options.length ) {
				return;
			}

			item = this._getSelectedItem();

			// Update the menu to have the correct item focused
			this.menuInstance.focus( null, item );
			this._setAria( item.data( "ui-selectmenu-item" ) );

			// Set disabled state
			this._setOption( "disabled", this.element.prop( "disabled" ) );
		},

		open: function( event ) {
			if ( this.options.disabled ) {
				return;
			}

			// If this is the first time the menu is being opened, render the items
			if ( !this._rendered ) {
				this._refreshMenu();
			} else {

				// Menu clears focus on close, reset focus to selected item
				this._removeClass( this.menu.find( ".ui-state-active" ), null, "ui-state-active" );
				this.menuInstance.focus( null, this._getSelectedItem() );
			}

			// If there are no options, don't open the menu
			if ( !this.menuItems.length ) {
				return;
			}

			this.isOpen = true;
			this._toggleAttr();
			this._resizeMenu();
			this._position();

			this._on( this.document, this._documentClick );

			this._trigger( "open", event );
		},

		_position: function() {
			this.menuWrap.position( $.extend( { of: this.button }, this.options.position ) );
		},

		close: function( event ) {
			if ( !this.isOpen ) {
				return;
			}

			this.isOpen = false;
			this._toggleAttr();

			this.range = null;
			this._off( this.document );

			this._trigger( "close", event );
		},

		widget: function() {
			return this.button;
		},

		menuWidget: function() {
			return this.menu;
		},

		_renderButtonItem: function( item ) {
			var buttonItem = $( "<span>" );

			this._setText( buttonItem, item.label );
			this._addClass( buttonItem, "ui-selectmenu-text" );

			return buttonItem;
		},

		_renderMenu: function( ul, items ) {
			var that = this,
				currentOptgroup = "";

			$.each( items, function( index, item ) {
				var li;

				if ( item.optgroup !== currentOptgroup ) {
					li = $( "<li>", {
						text: item.optgroup
					} );
					that._addClass( li, "ui-selectmenu-optgroup", "ui-menu-divider" +
						( item.element.parent( "optgroup" ).prop( "disabled" ) ?
							" ui-state-disabled" :
							"" ) );

					li.appendTo( ul );

					currentOptgroup = item.optgroup;
				}

				that._renderItemData( ul, item );
			} );
		},

		_renderItemData: function( ul, item ) {
			return this._renderItem( ul, item ).data( "ui-selectmenu-item", item );
		},

		_renderItem: function( ul, item ) {
			var li = $( "<li>" ),
				wrapper = $( "<div>", {
					title: item.element.attr( "title" )
				} );

			if ( item.disabled ) {
				this._addClass( li, null, "ui-state-disabled" );
			}
			this._setText( wrapper, item.label );

			return li.append( wrapper ).appendTo( ul );
		},

		_setText: function( element, value ) {
			if ( value ) {
				element.text( value );
			} else {
				element.html( "&#160;" );
			}
		},

		_move: function( direction, event ) {
			var item, next,
				filter = ".ui-menu-item";

			if ( this.isOpen ) {
				item = this.menuItems.eq( this.focusIndex ).parent( "li" );
			} else {
				item = this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" );
				filter += ":not(.ui-state-disabled)";
			}

			if ( direction === "first" || direction === "last" ) {
				next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 );
			} else {
				next = item[ direction + "All" ]( filter ).eq( 0 );
			}

			if ( next.length ) {
				this.menuInstance.focus( event, next );
			}
		},

		_getSelectedItem: function() {
			return this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" );
		},

		_toggle: function( event ) {
			this[ this.isOpen ? "close" : "open" ]( event );
		},

		_setSelection: function() {
			var selection;

			if ( !this.range ) {
				return;
			}

			if ( window.getSelection ) {
				selection = window.getSelection();
				selection.removeAllRanges();
				selection.addRange( this.range );

				// Support: IE8
			} else {
				this.range.select();
			}

			// Support: IE
			// Setting the text selection kills the button focus in IE, but
			// restoring the focus doesn't kill the selection.
			this.button.focus();
		},

		_documentClick: {
			mousedown: function( event ) {
				if ( !this.isOpen ) {
					return;
				}

				if ( !$( event.target ).closest( ".ui-selectmenu-menu, #" +
					$.escapeSelector( this.ids.button ) ).length ) {
					this.close( event );
				}
			}
		},

		_buttonEvents: {

			// Prevent text selection from being reset when interacting with the selectmenu (#10144)
			mousedown: function() {
				var selection;

				if ( window.getSelection ) {
					selection = window.getSelection();
					if ( selection.rangeCount ) {
						this.range = selection.getRangeAt( 0 );
					}

					// Support: IE8
				} else {
					this.range = document.selection.createRange();
				}
			},

			click: function( event ) {
				this._setSelection();
				this._toggle( event );
			},

			keydown: function( event ) {
				var preventDefault = true;
				switch ( event.keyCode ) {
					case $.ui.keyCode.TAB:
					case $.ui.keyCode.ESCAPE:
						this.close( event );
						preventDefault = false;
						break;
					case $.ui.keyCode.ENTER:
						if ( this.isOpen ) {
							this._selectFocusedItem( event );
						}
						break;
					case $.ui.keyCode.UP:
						if ( event.altKey ) {
							this._toggle( event );
						} else {
							this._move( "prev", event );
						}
						break;
					case $.ui.keyCode.DOWN:
						if ( event.altKey ) {
							this._toggle( event );
						} else {
							this._move( "next", event );
						}
						break;
					case $.ui.keyCode.SPACE:
						if ( this.isOpen ) {
							this._selectFocusedItem( event );
						} else {
							this._toggle( event );
						}
						break;
					case $.ui.keyCode.LEFT:
						this._move( "prev", event );
						break;
					case $.ui.keyCode.RIGHT:
						this._move( "next", event );
						break;
					case $.ui.keyCode.HOME:
					case $.ui.keyCode.PAGE_UP:
						this._move( "first", event );
						break;
					case $.ui.keyCode.END:
					case $.ui.keyCode.PAGE_DOWN:
						this._move( "last", event );
						break;
					default:
						this.menu.trigger( event );
						preventDefault = false;
				}

				if ( preventDefault ) {
					event.preventDefault();
				}
			}
		},

		_selectFocusedItem: function( event ) {
			var item = this.menuItems.eq( this.focusIndex ).parent( "li" );
			if ( !item.hasClass( "ui-state-disabled" ) ) {
				this._select( item.data( "ui-selectmenu-item" ), event );
			}
		},

		_select: function( item, event ) {
			var oldIndex = this.element[ 0 ].selectedIndex;

			// Change native select element
			this.element[ 0 ].selectedIndex = item.index;
			this.buttonItem.replaceWith( this.buttonItem = this._renderButtonItem( item ) );
			this._setAria( item );
			this._trigger( "select", event, { item: item } );

			if ( item.index !== oldIndex ) {
				this._trigger( "change", event, { item: item } );
			}

			this.close( event );
		},

		_setAria: function( item ) {
			var id = this.menuItems.eq( item.index ).attr( "id" );

			this.button.attr( {
				"aria-labelledby": id,
				"aria-activedescendant": id
			} );
			this.menu.attr( "aria-activedescendant", id );
		},

		_setOption: function( key, value ) {
			if ( key === "icons" ) {
				var icon = this.button.find( "span.ui-icon" );
				this._removeClass( icon, null, this.options.icons.button )
				._addClass( icon, null, value.button );
			}

			this._super( key, value );

			if ( key === "appendTo" ) {
				this.menuWrap.appendTo( this._appendTo() );
			}

			if ( key === "width" ) {
				this._resizeButton();
			}
		},

		_setOptionDisabled: function( value ) {
			this._super( value );

			this.menuInstance.option( "disabled", value );
			this.button.attr( "aria-disabled", value );
			this._toggleClass( this.button, null, "ui-state-disabled", value );

			this.element.prop( "disabled", value );
			if ( value ) {
				this.button.attr( "tabindex", -1 );
				this.close();
			} else {
				this.button.attr( "tabindex", 0 );
			}
		},

		_appendTo: function() {
			var element = this.options.appendTo;

			if ( element ) {
				element = element.jquery || element.nodeType ?
					$( element ) :
					this.document.find( element ).eq( 0 );
			}

			if ( !element || !element[ 0 ] ) {
				element = this.element.closest( ".ui-front, dialog" );
			}

			if ( !element.length ) {
				element = this.document[ 0 ].body;
			}

			return element;
		},

		_toggleAttr: function() {
			this.button.attr( "aria-expanded", this.isOpen );

			// We can't use two _toggleClass() calls here, because we need to make sure
			// we always remove classes first and add them second, otherwise if both classes have the
			// same theme class, it will be removed after we add it.
			this._removeClass( this.button, "ui-selectmenu-button-" +
				( this.isOpen ? "closed" : "open" ) )
			._addClass( this.button, "ui-selectmenu-button-" +
				( this.isOpen ? "open" : "closed" ) )
			._toggleClass( this.menuWrap, "ui-selectmenu-open", null, this.isOpen );

			this.menu.attr( "aria-hidden", !this.isOpen );
		},

		_resizeButton: function() {
			var width = this.options.width;

			// For `width: false`, just remove inline style and stop
			if ( width === false ) {
				this.button.css( "width", "" );
				return;
			}

			// For `width: null`, match the width of the original element
			if ( width === null ) {
				width = this.element.show().outerWidth();
				this.element.hide();
			}

			this.button.outerWidth( width );
		},

		_resizeMenu: function() {
			this.menu.outerWidth( Math.max(
				this.button.outerWidth(),

				// Support: IE10
				// IE10 wraps long text (possibly a rounding bug)
				// so we add 1px to avoid the wrapping
				this.menu.width( "" ).outerWidth() + 1
			) );
		},

		_getCreateOptions: function() {
			var options = this._super();

			options.disabled = this.element.prop( "disabled" );

			return options;
		},

		_parseOptions: function( options ) {
			var that = this,
				data = [];
			options.each( function( index, item ) {
				if ( item.hidden ) {
					return;
				}

				data.push( that._parseOption( $( item ), index ) );
			} );
			this.items = data;
		},

		_parseOption: function( option, index ) {
			var optgroup = option.parent( "optgroup" );

			return {
				element: option,
				index: index,
				value: option.val(),
				label: option.text(),
				optgroup: optgroup.attr( "label" ) || "",
				disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" )
			};
		},

		_destroy: function() {
			this._unbindFormResetHandler();
			this.menuWrap.remove();
			this.button.remove();
			this.element.show();
			this.element.removeUniqueId();
			this.labels.attr( "for", this.ids.element );
		}
	} ] );


	/*!
 * jQuery UI Slider 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Slider
//>>group: Widgets
//>>description: Displays a flexible slider with ranges and accessibility via keyboard.
//>>docs: http://api.jqueryui.com/slider/
//>>demos: http://jqueryui.com/slider/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/slider.css
//>>css.theme: ../../themes/base/theme.css


	var widgetsSlider = $.widget( "ui.slider", $.ui.mouse, {
		version: "1.13.0",
		widgetEventPrefix: "slide",

		options: {
			animate: false,
			classes: {
				"ui-slider": "ui-corner-all",
				"ui-slider-handle": "ui-corner-all",

				// Note: ui-widget-header isn't the most fittingly semantic framework class for this
				// element, but worked best visually with a variety of themes
				"ui-slider-range": "ui-corner-all ui-widget-header"
			},
			distance: 0,
			max: 100,
			min: 0,
			orientation: "horizontal",
			range: false,
			step: 1,
			value: 0,
			values: null,

			// Callbacks
			change: null,
			slide: null,
			start: null,
			stop: null
		},

		// Number of pages in a slider
		// (how many times can you page up/down to go through the whole range)
		numPages: 5,

		_create: function() {
			this._keySliding = false;
			this._mouseSliding = false;
			this._animateOff = true;
			this._handleIndex = null;
			this._detectOrientation();
			this._mouseInit();
			this._calculateNewMax();

			this._addClass( "ui-slider ui-slider-" + this.orientation,
				"ui-widget ui-widget-content" );

			this._refresh();

			this._animateOff = false;
		},

		_refresh: function() {
			this._createRange();
			this._createHandles();
			this._setupEvents();
			this._refreshValue();
		},

		_createHandles: function() {
			var i, handleCount,
				options = this.options,
				existingHandles = this.element.find( ".ui-slider-handle" ),
				handle = "<span tabindex='0'></span>",
				handles = [];

			handleCount = ( options.values && options.values.length ) || 1;

			if ( existingHandles.length > handleCount ) {
				existingHandles.slice( handleCount ).remove();
				existingHandles = existingHandles.slice( 0, handleCount );
			}

			for ( i = existingHandles.length; i < handleCount; i++ ) {
				handles.push( handle );
			}

			this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );

			this._addClass( this.handles, "ui-slider-handle", "ui-state-default" );

			this.handle = this.handles.eq( 0 );

			this.handles.each( function( i ) {
				$( this )
				.data( "ui-slider-handle-index", i )
				.attr( "tabIndex", 0 );
			} );
		},

		_createRange: function() {
			var options = this.options;

			if ( options.range ) {
				if ( options.range === true ) {
					if ( !options.values ) {
						options.values = [ this._valueMin(), this._valueMin() ];
					} else if ( options.values.length && options.values.length !== 2 ) {
						options.values = [ options.values[ 0 ], options.values[ 0 ] ];
					} else if ( Array.isArray( options.values ) ) {
						options.values = options.values.slice( 0 );
					}
				}

				if ( !this.range || !this.range.length ) {
					this.range = $( "<div>" )
					.appendTo( this.element );

					this._addClass( this.range, "ui-slider-range" );
				} else {
					this._removeClass( this.range, "ui-slider-range-min ui-slider-range-max" );

					// Handle range switching from true to min/max
					this.range.css( {
						"left": "",
						"bottom": ""
					} );
				}
				if ( options.range === "min" || options.range === "max" ) {
					this._addClass( this.range, "ui-slider-range-" + options.range );
				}
			} else {
				if ( this.range ) {
					this.range.remove();
				}
				this.range = null;
			}
		},

		_setupEvents: function() {
			this._off( this.handles );
			this._on( this.handles, this._handleEvents );
			this._hoverable( this.handles );
			this._focusable( this.handles );
		},

		_destroy: function() {
			this.handles.remove();
			if ( this.range ) {
				this.range.remove();
			}

			this._mouseDestroy();
		},

		_mouseCapture: function( event ) {
			var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
				that = this,
				o = this.options;

			if ( o.disabled ) {
				return false;
			}

			this.elementSize = {
				width: this.element.outerWidth(),
				height: this.element.outerHeight()
			};
			this.elementOffset = this.element.offset();

			position = { x: event.pageX, y: event.pageY };
			normValue = this._normValueFromMouse( position );
			distance = this._valueMax() - this._valueMin() + 1;
			this.handles.each( function( i ) {
				var thisDistance = Math.abs( normValue - that.values( i ) );
				if ( ( distance > thisDistance ) ||
					( distance === thisDistance &&
						( i === that._lastChangedValue || that.values( i ) === o.min ) ) ) {
					distance = thisDistance;
					closestHandle = $( this );
					index = i;
				}
			} );

			allowed = this._start( event, index );
			if ( allowed === false ) {
				return false;
			}
			this._mouseSliding = true;

			this._handleIndex = index;

			this._addClass( closestHandle, null, "ui-state-active" );
			closestHandle.trigger( "focus" );

			offset = closestHandle.offset();
			mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
			this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
				left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
				top: event.pageY - offset.top -
					( closestHandle.height() / 2 ) -
					( parseInt( closestHandle.css( "borderTopWidth" ), 10 ) || 0 ) -
					( parseInt( closestHandle.css( "borderBottomWidth" ), 10 ) || 0 ) +
					( parseInt( closestHandle.css( "marginTop" ), 10 ) || 0 )
			};

			if ( !this.handles.hasClass( "ui-state-hover" ) ) {
				this._slide( event, index, normValue );
			}
			this._animateOff = true;
			return true;
		},

		_mouseStart: function() {
			return true;
		},

		_mouseDrag: function( event ) {
			var position = { x: event.pageX, y: event.pageY },
				normValue = this._normValueFromMouse( position );

			this._slide( event, this._handleIndex, normValue );

			return false;
		},

		_mouseStop: function( event ) {
			this._removeClass( this.handles, null, "ui-state-active" );
			this._mouseSliding = false;

			this._stop( event, this._handleIndex );
			this._change( event, this._handleIndex );

			this._handleIndex = null;
			this._clickOffset = null;
			this._animateOff = false;

			return false;
		},

		_detectOrientation: function() {
			this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
		},

		_normValueFromMouse: function( position ) {
			var pixelTotal,
				pixelMouse,
				percentMouse,
				valueTotal,
				valueMouse;

			if ( this.orientation === "horizontal" ) {
				pixelTotal = this.elementSize.width;
				pixelMouse = position.x - this.elementOffset.left -
					( this._clickOffset ? this._clickOffset.left : 0 );
			} else {
				pixelTotal = this.elementSize.height;
				pixelMouse = position.y - this.elementOffset.top -
					( this._clickOffset ? this._clickOffset.top : 0 );
			}

			percentMouse = ( pixelMouse / pixelTotal );
			if ( percentMouse > 1 ) {
				percentMouse = 1;
			}
			if ( percentMouse < 0 ) {
				percentMouse = 0;
			}
			if ( this.orientation === "vertical" ) {
				percentMouse = 1 - percentMouse;
			}

			valueTotal = this._valueMax() - this._valueMin();
			valueMouse = this._valueMin() + percentMouse * valueTotal;

			return this._trimAlignValue( valueMouse );
		},

		_uiHash: function( index, value, values ) {
			var uiHash = {
				handle: this.handles[ index ],
				handleIndex: index,
				value: value !== undefined ? value : this.value()
			};

			if ( this._hasMultipleValues() ) {
				uiHash.value = value !== undefined ? value : this.values( index );
				uiHash.values = values || this.values();
			}

			return uiHash;
		},

		_hasMultipleValues: function() {
			return this.options.values && this.options.values.length;
		},

		_start: function( event, index ) {
			return this._trigger( "start", event, this._uiHash( index ) );
		},

		_slide: function( event, index, newVal ) {
			var allowed, otherVal,
				currentValue = this.value(),
				newValues = this.values();

			if ( this._hasMultipleValues() ) {
				otherVal = this.values( index ? 0 : 1 );
				currentValue = this.values( index );

				if ( this.options.values.length === 2 && this.options.range === true ) {
					newVal =  index === 0 ? Math.min( otherVal, newVal ) : Math.max( otherVal, newVal );
				}

				newValues[ index ] = newVal;
			}

			if ( newVal === currentValue ) {
				return;
			}

			allowed = this._trigger( "slide", event, this._uiHash( index, newVal, newValues ) );

			// A slide can be canceled by returning false from the slide callback
			if ( allowed === false ) {
				return;
			}

			if ( this._hasMultipleValues() ) {
				this.values( index, newVal );
			} else {
				this.value( newVal );
			}
		},

		_stop: function( event, index ) {
			this._trigger( "stop", event, this._uiHash( index ) );
		},

		_change: function( event, index ) {
			if ( !this._keySliding && !this._mouseSliding ) {

				//store the last changed value index for reference when handles overlap
				this._lastChangedValue = index;
				this._trigger( "change", event, this._uiHash( index ) );
			}
		},

		value: function( newValue ) {
			if ( arguments.length ) {
				this.options.value = this._trimAlignValue( newValue );
				this._refreshValue();
				this._change( null, 0 );
				return;
			}

			return this._value();
		},

		values: function( index, newValue ) {
			var vals,
				newValues,
				i;

			if ( arguments.length > 1 ) {
				this.options.values[ index ] = this._trimAlignValue( newValue );
				this._refreshValue();
				this._change( null, index );
				return;
			}

			if ( arguments.length ) {
				if ( Array.isArray( arguments[ 0 ] ) ) {
					vals = this.options.values;
					newValues = arguments[ 0 ];
					for ( i = 0; i < vals.length; i += 1 ) {
						vals[ i ] = this._trimAlignValue( newValues[ i ] );
						this._change( null, i );
					}
					this._refreshValue();
				} else {
					if ( this._hasMultipleValues() ) {
						return this._values( index );
					} else {
						return this.value();
					}
				}
			} else {
				return this._values();
			}
		},

		_setOption: function( key, value ) {
			var i,
				valsLength = 0;

			if ( key === "range" && this.options.range === true ) {
				if ( value === "min" ) {
					this.options.value = this._values( 0 );
					this.options.values = null;
				} else if ( value === "max" ) {
					this.options.value = this._values( this.options.values.length - 1 );
					this.options.values = null;
				}
			}

			if ( Array.isArray( this.options.values ) ) {
				valsLength = this.options.values.length;
			}

			this._super( key, value );

			switch ( key ) {
				case "orientation":
					this._detectOrientation();
					this._removeClass( "ui-slider-horizontal ui-slider-vertical" )
					._addClass( "ui-slider-" + this.orientation );
					this._refreshValue();
					if ( this.options.range ) {
						this._refreshRange( value );
					}

					// Reset positioning from previous orientation
					this.handles.css( value === "horizontal" ? "bottom" : "left", "" );
					break;
				case "value":
					this._animateOff = true;
					this._refreshValue();
					this._change( null, 0 );
					this._animateOff = false;
					break;
				case "values":
					this._animateOff = true;
					this._refreshValue();

					// Start from the last handle to prevent unreachable handles (#9046)
					for ( i = valsLength - 1; i >= 0; i-- ) {
						this._change( null, i );
					}
					this._animateOff = false;
					break;
				case "step":
				case "min":
				case "max":
					this._animateOff = true;
					this._calculateNewMax();
					this._refreshValue();
					this._animateOff = false;
					break;
				case "range":
					this._animateOff = true;
					this._refresh();
					this._animateOff = false;
					break;
			}
		},

		_setOptionDisabled: function( value ) {
			this._super( value );

			this._toggleClass( null, "ui-state-disabled", !!value );
		},

		//internal value getter
		// _value() returns value trimmed by min and max, aligned by step
		_value: function() {
			var val = this.options.value;
			val = this._trimAlignValue( val );

			return val;
		},

		//internal values getter
		// _values() returns array of values trimmed by min and max, aligned by step
		// _values( index ) returns single value trimmed by min and max, aligned by step
		_values: function( index ) {
			var val,
				vals,
				i;

			if ( arguments.length ) {
				val = this.options.values[ index ];
				val = this._trimAlignValue( val );

				return val;
			} else if ( this._hasMultipleValues() ) {

				// .slice() creates a copy of the array
				// this copy gets trimmed by min and max and then returned
				vals = this.options.values.slice();
				for ( i = 0; i < vals.length; i += 1 ) {
					vals[ i ] = this._trimAlignValue( vals[ i ] );
				}

				return vals;
			} else {
				return [];
			}
		},

		// Returns the step-aligned value that val is closest to, between (inclusive) min and max
		_trimAlignValue: function( val ) {
			if ( val <= this._valueMin() ) {
				return this._valueMin();
			}
			if ( val >= this._valueMax() ) {
				return this._valueMax();
			}
			var step = ( this.options.step > 0 ) ? this.options.step : 1,
				valModStep = ( val - this._valueMin() ) % step,
				alignValue = val - valModStep;

			if ( Math.abs( valModStep ) * 2 >= step ) {
				alignValue += ( valModStep > 0 ) ? step : ( -step );
			}

			// Since JavaScript has problems with large floats, round
			// the final value to 5 digits after the decimal point (see #4124)
			return parseFloat( alignValue.toFixed( 5 ) );
		},

		_calculateNewMax: function() {
			var max = this.options.max,
				min = this._valueMin(),
				step = this.options.step,
				aboveMin = Math.round( ( max - min ) / step ) * step;
			max = aboveMin + min;
			if ( max > this.options.max ) {

				//If max is not divisible by step, rounding off may increase its value
				max -= step;
			}
			this.max = parseFloat( max.toFixed( this._precision() ) );
		},

		_precision: function() {
			var precision = this._precisionOf( this.options.step );
			if ( this.options.min !== null ) {
				precision = Math.max( precision, this._precisionOf( this.options.min ) );
			}
			return precision;
		},

		_precisionOf: function( num ) {
			var str = num.toString(),
				decimal = str.indexOf( "." );
			return decimal === -1 ? 0 : str.length - decimal - 1;
		},

		_valueMin: function() {
			return this.options.min;
		},

		_valueMax: function() {
			return this.max;
		},

		_refreshRange: function( orientation ) {
			if ( orientation === "vertical" ) {
				this.range.css( { "width": "", "left": "" } );
			}
			if ( orientation === "horizontal" ) {
				this.range.css( { "height": "", "bottom": "" } );
			}
		},

		_refreshValue: function() {
			var lastValPercent, valPercent, value, valueMin, valueMax,
				oRange = this.options.range,
				o = this.options,
				that = this,
				animate = ( !this._animateOff ) ? o.animate : false,
				_set = {};

			if ( this._hasMultipleValues() ) {
				this.handles.each( function( i ) {
					valPercent = ( that.values( i ) - that._valueMin() ) / ( that._valueMax() -
						that._valueMin() ) * 100;
					_set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
					$( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
					if ( that.options.range === true ) {
						if ( that.orientation === "horizontal" ) {
							if ( i === 0 ) {
								that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
									left: valPercent + "%"
								}, o.animate );
							}
							if ( i === 1 ) {
								that.range[ animate ? "animate" : "css" ]( {
									width: ( valPercent - lastValPercent ) + "%"
								}, {
									queue: false,
									duration: o.animate
								} );
							}
						} else {
							if ( i === 0 ) {
								that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
									bottom: ( valPercent ) + "%"
								}, o.animate );
							}
							if ( i === 1 ) {
								that.range[ animate ? "animate" : "css" ]( {
									height: ( valPercent - lastValPercent ) + "%"
								}, {
									queue: false,
									duration: o.animate
								} );
							}
						}
					}
					lastValPercent = valPercent;
				} );
			} else {
				value = this.value();
				valueMin = this._valueMin();
				valueMax = this._valueMax();
				valPercent = ( valueMax !== valueMin ) ?
					( value - valueMin ) / ( valueMax - valueMin ) * 100 :
					0;
				_set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
				this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );

				if ( oRange === "min" && this.orientation === "horizontal" ) {
					this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
						width: valPercent + "%"
					}, o.animate );
				}
				if ( oRange === "max" && this.orientation === "horizontal" ) {
					this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
						width: ( 100 - valPercent ) + "%"
					}, o.animate );
				}
				if ( oRange === "min" && this.orientation === "vertical" ) {
					this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
						height: valPercent + "%"
					}, o.animate );
				}
				if ( oRange === "max" && this.orientation === "vertical" ) {
					this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
						height: ( 100 - valPercent ) + "%"
					}, o.animate );
				}
			}
		},

		_handleEvents: {
			keydown: function( event ) {
				var allowed, curVal, newVal, step,
					index = $( event.target ).data( "ui-slider-handle-index" );

				switch ( event.keyCode ) {
					case $.ui.keyCode.HOME:
					case $.ui.keyCode.END:
					case $.ui.keyCode.PAGE_UP:
					case $.ui.keyCode.PAGE_DOWN:
					case $.ui.keyCode.UP:
					case $.ui.keyCode.RIGHT:
					case $.ui.keyCode.DOWN:
					case $.ui.keyCode.LEFT:
						event.preventDefault();
						if ( !this._keySliding ) {
							this._keySliding = true;
							this._addClass( $( event.target ), null, "ui-state-active" );
							allowed = this._start( event, index );
							if ( allowed === false ) {
								return;
							}
						}
						break;
				}

				step = this.options.step;
				if ( this._hasMultipleValues() ) {
					curVal = newVal = this.values( index );
				} else {
					curVal = newVal = this.value();
				}

				switch ( event.keyCode ) {
					case $.ui.keyCode.HOME:
						newVal = this._valueMin();
						break;
					case $.ui.keyCode.END:
						newVal = this._valueMax();
						break;
					case $.ui.keyCode.PAGE_UP:
						newVal = this._trimAlignValue(
							curVal + ( ( this._valueMax() - this._valueMin() ) / this.numPages )
						);
						break;
					case $.ui.keyCode.PAGE_DOWN:
						newVal = this._trimAlignValue(
							curVal - ( ( this._valueMax() - this._valueMin() ) / this.numPages ) );
						break;
					case $.ui.keyCode.UP:
					case $.ui.keyCode.RIGHT:
						if ( curVal === this._valueMax() ) {
							return;
						}
						newVal = this._trimAlignValue( curVal + step );
						break;
					case $.ui.keyCode.DOWN:
					case $.ui.keyCode.LEFT:
						if ( curVal === this._valueMin() ) {
							return;
						}
						newVal = this._trimAlignValue( curVal - step );
						break;
				}

				this._slide( event, index, newVal );
			},
			keyup: function( event ) {
				var index = $( event.target ).data( "ui-slider-handle-index" );

				if ( this._keySliding ) {
					this._keySliding = false;
					this._stop( event, index );
					this._change( event, index );
					this._removeClass( $( event.target ), null, "ui-state-active" );
				}
			}
		}
	} );


	/*!
 * jQuery UI Sortable 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Sortable
//>>group: Interactions
//>>description: Enables items in a list to be sorted using the mouse.
//>>docs: http://api.jqueryui.com/sortable/
//>>demos: http://jqueryui.com/sortable/
//>>css.structure: ../../themes/base/sortable.css


	var widgetsSortable = $.widget( "ui.sortable", $.ui.mouse, {
		version: "1.13.0",
		widgetEventPrefix: "sort",
		ready: false,
		options: {
			appendTo: "parent",
			axis: false,
			connectWith: false,
			containment: false,
			cursor: "auto",
			cursorAt: false,
			dropOnEmpty: true,
			forcePlaceholderSize: false,
			forceHelperSize: false,
			grid: false,
			handle: false,
			helper: "original",
			items: "> *",
			opacity: false,
			placeholder: false,
			revert: false,
			scroll: true,
			scrollSensitivity: 20,
			scrollSpeed: 20,
			scope: "default",
			tolerance: "intersect",
			zIndex: 1000,

			// Callbacks
			activate: null,
			beforeStop: null,
			change: null,
			deactivate: null,
			out: null,
			over: null,
			receive: null,
			remove: null,
			sort: null,
			start: null,
			stop: null,
			update: null
		},

		_isOverAxis: function( x, reference, size ) {
			return ( x >= reference ) && ( x < ( reference + size ) );
		},

		_isFloating: function( item ) {
			return ( /left|right/ ).test( item.css( "float" ) ) ||
				( /inline|table-cell/ ).test( item.css( "display" ) );
		},

		_create: function() {
			this.containerCache = {};
			this._addClass( "ui-sortable" );

			//Get the items
			this.refresh();

			//Let's determine the parent's offset
			this.offset = this.element.offset();

			//Initialize mouse events for interaction
			this._mouseInit();

			this._setHandleClassName();

			//We're ready to go
			this.ready = true;

		},

		_setOption: function( key, value ) {
			this._super( key, value );

			if ( key === "handle" ) {
				this._setHandleClassName();
			}
		},

		_setHandleClassName: function() {
			var that = this;
			this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" );
			$.each( this.items, function() {
				that._addClass(
					this.instance.options.handle ?
						this.item.find( this.instance.options.handle ) :
						this.item,
					"ui-sortable-handle"
				);
			} );
		},

		_destroy: function() {
			this._mouseDestroy();

			for ( var i = this.items.length - 1; i >= 0; i-- ) {
				this.items[ i ].item.removeData( this.widgetName + "-item" );
			}

			return this;
		},

		_mouseCapture: function( event, overrideHandle ) {
			var currentItem = null,
				validHandle = false,
				that = this;

			if ( this.reverting ) {
				return false;
			}

			if ( this.options.disabled || this.options.type === "static" ) {
				return false;
			}

			//We have to refresh the items data once first
			this._refreshItems( event );

			//Find out if the clicked node (or one of its parents) is a actual item in this.items
			$( event.target ).parents().each( function() {
				if ( $.data( this, that.widgetName + "-item" ) === that ) {
					currentItem = $( this );
					return false;
				}
			} );
			if ( $.data( event.target, that.widgetName + "-item" ) === that ) {
				currentItem = $( event.target );
			}

			if ( !currentItem ) {
				return false;
			}
			if ( this.options.handle && !overrideHandle ) {
				$( this.options.handle, currentItem ).find( "*" ).addBack().each( function() {
					if ( this === event.target ) {
						validHandle = true;
					}
				} );
				if ( !validHandle ) {
					return false;
				}
			}

			this.currentItem = currentItem;
			this._removeCurrentsFromItems();
			return true;

		},

		_mouseStart: function( event, overrideHandle, noActivation ) {

			var i, body,
				o = this.options;

			this.currentContainer = this;

			//We only need to call refreshPositions, because the refreshItems call has been moved to
			// mouseCapture
			this.refreshPositions();

			//Prepare the dragged items parent
			this.appendTo = $( o.appendTo !== "parent" ?
				o.appendTo :
				this.currentItem.parent() );

			//Create and append the visible helper
			this.helper = this._createHelper( event );

			//Cache the helper size
			this._cacheHelperProportions();

			/*
		 * - Position generation -
		 * This block generates everything position related - it's the core of draggables.
		 */

			//Cache the margins of the original element
			this._cacheMargins();

			//The element's absolute position on the page minus margins
			this.offset = this.currentItem.offset();
			this.offset = {
				top: this.offset.top - this.margins.top,
				left: this.offset.left - this.margins.left
			};

			$.extend( this.offset, {
				click: { //Where the click happened, relative to the element
					left: event.pageX - this.offset.left,
					top: event.pageY - this.offset.top
				},

				// This is a relative to absolute position minus the actual position calculation -
				// only used for relative positioned helper
				relative: this._getRelativeOffset()
			} );

			// After we get the helper offset, but before we get the parent offset we can
			// change the helper's position to absolute
			// TODO: Still need to figure out a way to make relative sorting possible
			this.helper.css( "position", "absolute" );
			this.cssPosition = this.helper.css( "position" );

			//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
			if ( o.cursorAt ) {
				this._adjustOffsetFromHelper( o.cursorAt );
			}

			//Cache the former DOM position
			this.domPosition = {
				prev: this.currentItem.prev()[ 0 ],
				parent: this.currentItem.parent()[ 0 ]
			};

			// If the helper is not the original, hide the original so it's not playing any role during
			// the drag, won't cause anything bad this way
			if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
				this.currentItem.hide();
			}

			//Create the placeholder
			this._createPlaceholder();

			//Get the next scrolling parent
			this.scrollParent = this.placeholder.scrollParent();

			$.extend( this.offset, {
				parent: this._getParentOffset()
			} );

			//Set a containment if given in the options
			if ( o.containment ) {
				this._setContainment();
			}

			if ( o.cursor && o.cursor !== "auto" ) { // cursor option
				body = this.document.find( "body" );

				// Support: IE
				this.storedCursor = body.css( "cursor" );
				body.css( "cursor", o.cursor );

				this.storedStylesheet =
					$( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body );
			}

			// We need to make sure to grab the zIndex before setting the
			// opacity, because setting the opacity to anything lower than 1
			// causes the zIndex to change from "auto" to 0.
			if ( o.zIndex ) { // zIndex option
				if ( this.helper.css( "zIndex" ) ) {
					this._storedZIndex = this.helper.css( "zIndex" );
				}
				this.helper.css( "zIndex", o.zIndex );
			}

			if ( o.opacity ) { // opacity option
				if ( this.helper.css( "opacity" ) ) {
					this._storedOpacity = this.helper.css( "opacity" );
				}
				this.helper.css( "opacity", o.opacity );
			}

			//Prepare scrolling
			if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
				this.scrollParent[ 0 ].tagName !== "HTML" ) {
				this.overflowOffset = this.scrollParent.offset();
			}

			//Call callbacks
			this._trigger( "start", event, this._uiHash() );

			//Recache the helper size
			if ( !this._preserveHelperProportions ) {
				this._cacheHelperProportions();
			}

			//Post "activate" events to possible containers
			if ( !noActivation ) {
				for ( i = this.containers.length - 1; i >= 0; i-- ) {
					this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
				}
			}

			//Prepare possible droppables
			if ( $.ui.ddmanager ) {
				$.ui.ddmanager.current = this;
			}

			if ( $.ui.ddmanager && !o.dropBehaviour ) {
				$.ui.ddmanager.prepareOffsets( this, event );
			}

			this.dragging = true;

			this._addClass( this.helper, "ui-sortable-helper" );

			//Move the helper, if needed
			if ( !this.helper.parent().is( this.appendTo ) ) {
				this.helper.detach().appendTo( this.appendTo );

				//Update position
				this.offset.parent = this._getParentOffset();
			}

			//Generate the original position
			this.position = this.originalPosition = this._generatePosition( event );
			this.originalPageX = event.pageX;
			this.originalPageY = event.pageY;
			this.lastPositionAbs = this.positionAbs = this._convertPositionTo( "absolute" );

			this._mouseDrag( event );

			return true;

		},

		_scroll: function( event ) {
			var o = this.options,
				scrolled = false;

			if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
				this.scrollParent[ 0 ].tagName !== "HTML" ) {

				if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -
					event.pageY < o.scrollSensitivity ) {
					this.scrollParent[ 0 ].scrollTop =
						scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;
				} else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {
					this.scrollParent[ 0 ].scrollTop =
						scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;
				}

				if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -
					event.pageX < o.scrollSensitivity ) {
					this.scrollParent[ 0 ].scrollLeft = scrolled =
						this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;
				} else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {
					this.scrollParent[ 0 ].scrollLeft = scrolled =
						this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;
				}

			} else {

				if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {
					scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
				} else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
					o.scrollSensitivity ) {
					scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
				}

				if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
					scrolled = this.document.scrollLeft(
						this.document.scrollLeft() - o.scrollSpeed
					);
				} else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
					o.scrollSensitivity ) {
					scrolled = this.document.scrollLeft(
						this.document.scrollLeft() + o.scrollSpeed
					);
				}

			}

			return scrolled;
		},

		_mouseDrag: function( event ) {
			var i, item, itemElement, intersection,
				o = this.options;

			//Compute the helpers position
			this.position = this._generatePosition( event );
			this.positionAbs = this._convertPositionTo( "absolute" );

			//Set the helper position
			if ( !this.options.axis || this.options.axis !== "y" ) {
				this.helper[ 0 ].style.left = this.position.left + "px";
			}
			if ( !this.options.axis || this.options.axis !== "x" ) {
				this.helper[ 0 ].style.top = this.position.top + "px";
			}

			//Post events to containers
			this._contactContainers( event );

			if ( this.innermostContainer !== null ) {

				//Do scrolling
				if ( o.scroll ) {
					if ( this._scroll( event ) !== false ) {

						//Update item positions used in position checks
						this._refreshItemPositions( true );

						if ( $.ui.ddmanager && !o.dropBehaviour ) {
							$.ui.ddmanager.prepareOffsets( this, event );
						}
					}
				}

				this.dragDirection = {
					vertical: this._getDragVerticalDirection(),
					horizontal: this._getDragHorizontalDirection()
				};

				//Rearrange
				for ( i = this.items.length - 1; i >= 0; i-- ) {

					//Cache variables and intersection, continue if no intersection
					item = this.items[ i ];
					itemElement = item.item[ 0 ];
					intersection = this._intersectsWithPointer( item );
					if ( !intersection ) {
						continue;
					}

					// Only put the placeholder inside the current Container, skip all
					// items from other containers. This works because when moving
					// an item from one container to another the
					// currentContainer is switched before the placeholder is moved.
					//
					// Without this, moving items in "sub-sortables" can cause
					// the placeholder to jitter between the outer and inner container.
					if ( item.instance !== this.currentContainer ) {
						continue;
					}

					// Cannot intersect with itself
					// no useless actions that have been done before
					// no action if the item moved is the parent of the item checked
					if ( itemElement !== this.currentItem[ 0 ] &&
						this.placeholder[ intersection === 1 ?
							"next" : "prev" ]()[ 0 ] !== itemElement &&
						!$.contains( this.placeholder[ 0 ], itemElement ) &&
						( this.options.type === "semi-dynamic" ?
								!$.contains( this.element[ 0 ], itemElement ) :
								true
						)
					) {

						this.direction = intersection === 1 ? "down" : "up";

						if ( this.options.tolerance === "pointer" ||
							this._intersectsWithSides( item ) ) {
							this._rearrange( event, item );
						} else {
							break;
						}

						this._trigger( "change", event, this._uiHash() );
						break;
					}
				}
			}

			//Interconnect with droppables
			if ( $.ui.ddmanager ) {
				$.ui.ddmanager.drag( this, event );
			}

			//Call callbacks
			this._trigger( "sort", event, this._uiHash() );

			this.lastPositionAbs = this.positionAbs;
			return false;

		},

		_mouseStop: function( event, noPropagation ) {

			if ( !event ) {
				return;
			}

			//If we are using droppables, inform the manager about the drop
			if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
				$.ui.ddmanager.drop( this, event );
			}

			if ( this.options.revert ) {
				var that = this,
					cur = this.placeholder.offset(),
					axis = this.options.axis,
					animation = {};

				if ( !axis || axis === "x" ) {
					animation.left = cur.left - this.offset.parent.left - this.margins.left +
						( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
								0 :
								this.offsetParent[ 0 ].scrollLeft
						);
				}
				if ( !axis || axis === "y" ) {
					animation.top = cur.top - this.offset.parent.top - this.margins.top +
						( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
								0 :
								this.offsetParent[ 0 ].scrollTop
						);
				}
				this.reverting = true;
				$( this.helper ).animate(
					animation,
					parseInt( this.options.revert, 10 ) || 500,
					function() {
						that._clear( event );
					}
				);
			} else {
				this._clear( event, noPropagation );
			}

			return false;

		},

		cancel: function() {

			if ( this.dragging ) {

				this._mouseUp( new $.Event( "mouseup", { target: null } ) );

				if ( this.options.helper === "original" ) {
					this.currentItem.css( this._storedCSS );
					this._removeClass( this.currentItem, "ui-sortable-helper" );
				} else {
					this.currentItem.show();
				}

				//Post deactivating events to containers
				for ( var i = this.containers.length - 1; i >= 0; i-- ) {
					this.containers[ i ]._trigger( "deactivate", null, this._uiHash( this ) );
					if ( this.containers[ i ].containerCache.over ) {
						this.containers[ i ]._trigger( "out", null, this._uiHash( this ) );
						this.containers[ i ].containerCache.over = 0;
					}
				}

			}

			if ( this.placeholder ) {

				//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
				// it unbinds ALL events from the original node!
				if ( this.placeholder[ 0 ].parentNode ) {
					this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );
				}
				if ( this.options.helper !== "original" && this.helper &&
					this.helper[ 0 ].parentNode ) {
					this.helper.remove();
				}

				$.extend( this, {
					helper: null,
					dragging: false,
					reverting: false,
					_noFinalSort: null
				} );

				if ( this.domPosition.prev ) {
					$( this.domPosition.prev ).after( this.currentItem );
				} else {
					$( this.domPosition.parent ).prepend( this.currentItem );
				}
			}

			return this;

		},

		serialize: function( o ) {

			var items = this._getItemsAsjQuery( o && o.connected ),
				str = [];
			o = o || {};

			$( items ).each( function() {
				var res = ( $( o.item || this ).attr( o.attribute || "id" ) || "" )
				.match( o.expression || ( /(.+)[\-=_](.+)/ ) );
				if ( res ) {
					str.push(
						( o.key || res[ 1 ] + "[]" ) +
						"=" + ( o.key && o.expression ? res[ 1 ] : res[ 2 ] ) );
				}
			} );

			if ( !str.length && o.key ) {
				str.push( o.key + "=" );
			}

			return str.join( "&" );

		},

		toArray: function( o ) {

			var items = this._getItemsAsjQuery( o && o.connected ),
				ret = [];

			o = o || {};

			items.each( function() {
				ret.push( $( o.item || this ).attr( o.attribute || "id" ) || "" );
			} );
			return ret;

		},

		/* Be careful with the following core functions */
		_intersectsWith: function( item ) {

			var x1 = this.positionAbs.left,
				x2 = x1 + this.helperProportions.width,
				y1 = this.positionAbs.top,
				y2 = y1 + this.helperProportions.height,
				l = item.left,
				r = l + item.width,
				t = item.top,
				b = t + item.height,
				dyClick = this.offset.click.top,
				dxClick = this.offset.click.left,
				isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t &&
					( y1 + dyClick ) < b ),
				isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l &&
					( x1 + dxClick ) < r ),
				isOverElement = isOverElementHeight && isOverElementWidth;

			if ( this.options.tolerance === "pointer" ||
				this.options.forcePointerForContainers ||
				( this.options.tolerance !== "pointer" &&
					this.helperProportions[ this.floating ? "width" : "height" ] >
					item[ this.floating ? "width" : "height" ] )
			) {
				return isOverElement;
			} else {

				return ( l < x1 + ( this.helperProportions.width / 2 ) && // Right Half
					x2 - ( this.helperProportions.width / 2 ) < r && // Left Half
					t < y1 + ( this.helperProportions.height / 2 ) && // Bottom Half
					y2 - ( this.helperProportions.height / 2 ) < b ); // Top Half

			}
		},

		_intersectsWithPointer: function( item ) {
			var verticalDirection, horizontalDirection,
				isOverElementHeight = ( this.options.axis === "x" ) ||
					this._isOverAxis(
						this.positionAbs.top + this.offset.click.top, item.top, item.height ),
				isOverElementWidth = ( this.options.axis === "y" ) ||
					this._isOverAxis(
						this.positionAbs.left + this.offset.click.left, item.left, item.width ),
				isOverElement = isOverElementHeight && isOverElementWidth;

			if ( !isOverElement ) {
				return false;
			}

			verticalDirection = this.dragDirection.vertical;
			horizontalDirection = this.dragDirection.horizontal;

			return this.floating ?
				( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 ) :
				( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) );

		},

		_intersectsWithSides: function( item ) {

			var isOverBottomHalf = this._isOverAxis( this.positionAbs.top +
					this.offset.click.top, item.top + ( item.height / 2 ), item.height ),
				isOverRightHalf = this._isOverAxis( this.positionAbs.left +
					this.offset.click.left, item.left + ( item.width / 2 ), item.width ),
				verticalDirection = this.dragDirection.vertical,
				horizontalDirection = this.dragDirection.horizontal;

			if ( this.floating && horizontalDirection ) {
				return ( ( horizontalDirection === "right" && isOverRightHalf ) ||
					( horizontalDirection === "left" && !isOverRightHalf ) );
			} else {
				return verticalDirection && ( ( verticalDirection === "down" && isOverBottomHalf ) ||
					( verticalDirection === "up" && !isOverBottomHalf ) );
			}

		},

		_getDragVerticalDirection: function() {
			var delta = this.positionAbs.top - this.lastPositionAbs.top;
			return delta !== 0 && ( delta > 0 ? "down" : "up" );
		},

		_getDragHorizontalDirection: function() {
			var delta = this.positionAbs.left - this.lastPositionAbs.left;
			return delta !== 0 && ( delta > 0 ? "right" : "left" );
		},

		refresh: function( event ) {
			this._refreshItems( event );
			this._setHandleClassName();
			this.refreshPositions();
			return this;
		},

		_connectWith: function() {
			var options = this.options;
			return options.connectWith.constructor === String ?
				[ options.connectWith ] :
				options.connectWith;
		},

		_getItemsAsjQuery: function( connected ) {

			var i, j, cur, inst,
				items = [],
				queries = [],
				connectWith = this._connectWith();

			if ( connectWith && connected ) {
				for ( i = connectWith.length - 1; i >= 0; i-- ) {
					cur = $( connectWith[ i ], this.document[ 0 ] );
					for ( j = cur.length - 1; j >= 0; j-- ) {
						inst = $.data( cur[ j ], this.widgetFullName );
						if ( inst && inst !== this && !inst.options.disabled ) {
							queries.push( [ typeof inst.options.items === "function" ?
								inst.options.items.call( inst.element ) :
								$( inst.options.items, inst.element )
								.not( ".ui-sortable-helper" )
								.not( ".ui-sortable-placeholder" ), inst ] );
						}
					}
				}
			}

			queries.push( [ typeof this.options.items === "function" ?
				this.options.items
				.call( this.element, null, { options: this.options, item: this.currentItem } ) :
				$( this.options.items, this.element )
				.not( ".ui-sortable-helper" )
				.not( ".ui-sortable-placeholder" ), this ] );

			function addItems() {
				items.push( this );
			}
			for ( i = queries.length - 1; i >= 0; i-- ) {
				queries[ i ][ 0 ].each( addItems );
			}

			return $( items );

		},

		_removeCurrentsFromItems: function() {

			var list = this.currentItem.find( ":data(" + this.widgetName + "-item)" );

			this.items = $.grep( this.items, function( item ) {
				for ( var j = 0; j < list.length; j++ ) {
					if ( list[ j ] === item.item[ 0 ] ) {
						return false;
					}
				}
				return true;
			} );

		},

		_refreshItems: function( event ) {

			this.items = [];
			this.containers = [ this ];

			var i, j, cur, inst, targetData, _queries, item, queriesLength,
				items = this.items,
				queries = [ [ typeof this.options.items === "function" ?
					this.options.items.call( this.element[ 0 ], event, { item: this.currentItem } ) :
					$( this.options.items, this.element ), this ] ],
				connectWith = this._connectWith();

			//Shouldn't be run the first time through due to massive slow-down
			if ( connectWith && this.ready ) {
				for ( i = connectWith.length - 1; i >= 0; i-- ) {
					cur = $( connectWith[ i ], this.document[ 0 ] );
					for ( j = cur.length - 1; j >= 0; j-- ) {
						inst = $.data( cur[ j ], this.widgetFullName );
						if ( inst && inst !== this && !inst.options.disabled ) {
							queries.push( [ typeof inst.options.items === "function" ?
								inst.options.items
								.call( inst.element[ 0 ], event, { item: this.currentItem } ) :
								$( inst.options.items, inst.element ), inst ] );
							this.containers.push( inst );
						}
					}
				}
			}

			for ( i = queries.length - 1; i >= 0; i-- ) {
				targetData = queries[ i ][ 1 ];
				_queries = queries[ i ][ 0 ];

				for ( j = 0, queriesLength = _queries.length; j < queriesLength; j++ ) {
					item = $( _queries[ j ] );

					// Data for target checking (mouse manager)
					item.data( this.widgetName + "-item", targetData );

					items.push( {
						item: item,
						instance: targetData,
						width: 0, height: 0,
						left: 0, top: 0
					} );
				}
			}

		},

		_refreshItemPositions: function( fast ) {
			var i, item, t, p;

			for ( i = this.items.length - 1; i >= 0; i-- ) {
				item = this.items[ i ];

				//We ignore calculating positions of all connected containers when we're not over them
				if ( this.currentContainer && item.instance !== this.currentContainer &&
					item.item[ 0 ] !== this.currentItem[ 0 ] ) {
					continue;
				}

				t = this.options.toleranceElement ?
					$( this.options.toleranceElement, item.item ) :
					item.item;

				if ( !fast ) {
					item.width = t.outerWidth();
					item.height = t.outerHeight();
				}

				p = t.offset();
				item.left = p.left;
				item.top = p.top;
			}
		},

		refreshPositions: function( fast ) {

			// Determine whether items are being displayed horizontally
			this.floating = this.items.length ?
				this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
				false;

			if ( this.innermostContainer !== null ) {
				this._refreshItemPositions( fast );
			}

			var i, p;

			if ( this.options.custom && this.options.custom.refreshContainers ) {
				this.options.custom.refreshContainers.call( this );
			} else {
				for ( i = this.containers.length - 1; i >= 0; i-- ) {
					p = this.containers[ i ].element.offset();
					this.containers[ i ].containerCache.left = p.left;
					this.containers[ i ].containerCache.top = p.top;
					this.containers[ i ].containerCache.width =
						this.containers[ i ].element.outerWidth();
					this.containers[ i ].containerCache.height =
						this.containers[ i ].element.outerHeight();
				}
			}

			return this;
		},

		_createPlaceholder: function( that ) {
			that = that || this;
			var className, nodeName,
				o = that.options;

			if ( !o.placeholder || o.placeholder.constructor === String ) {
				className = o.placeholder;
				nodeName = that.currentItem[ 0 ].nodeName.toLowerCase();
				o.placeholder = {
					element: function() {

						var element = $( "<" + nodeName + ">", that.document[ 0 ] );

						that._addClass( element, "ui-sortable-placeholder",
							className || that.currentItem[ 0 ].className )
						._removeClass( element, "ui-sortable-helper" );

						if ( nodeName === "tbody" ) {
							that._createTrPlaceholder(
								that.currentItem.find( "tr" ).eq( 0 ),
								$( "<tr>", that.document[ 0 ] ).appendTo( element )
							);
						} else if ( nodeName === "tr" ) {
							that._createTrPlaceholder( that.currentItem, element );
						} else if ( nodeName === "img" ) {
							element.attr( "src", that.currentItem.attr( "src" ) );
						}

						if ( !className ) {
							element.css( "visibility", "hidden" );
						}

						return element;
					},
					update: function( container, p ) {

						// 1. If a className is set as 'placeholder option, we don't force sizes -
						// the class is responsible for that
						// 2. The option 'forcePlaceholderSize can be enabled to force it even if a
						// class name is specified
						if ( className && !o.forcePlaceholderSize ) {
							return;
						}

						// If the element doesn't have a actual height or width by itself (without
						// styles coming from a stylesheet), it receives the inline height and width
						// from the dragged item. Or, if it's a tbody or tr, it's going to have a height
						// anyway since we're populating them with <td>s above, but they're unlikely to
						// be the correct height on their own if the row heights are dynamic, so we'll
						// always assign the height of the dragged item given forcePlaceholderSize
						// is true.
						if ( !p.height() || ( o.forcePlaceholderSize &&
							( nodeName === "tbody" || nodeName === "tr" ) ) ) {
							p.height(
								that.currentItem.innerHeight() -
								parseInt( that.currentItem.css( "paddingTop" ) || 0, 10 ) -
								parseInt( that.currentItem.css( "paddingBottom" ) || 0, 10 ) );
						}
						if ( !p.width() ) {
							p.width(
								that.currentItem.innerWidth() -
								parseInt( that.currentItem.css( "paddingLeft" ) || 0, 10 ) -
								parseInt( that.currentItem.css( "paddingRight" ) || 0, 10 ) );
						}
					}
				};
			}

			//Create the placeholder
			that.placeholder = $( o.placeholder.element.call( that.element, that.currentItem ) );

			//Append it after the actual current item
			that.currentItem.after( that.placeholder );

			//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
			o.placeholder.update( that, that.placeholder );

		},

		_createTrPlaceholder: function( sourceTr, targetTr ) {
			var that = this;

			sourceTr.children().each( function() {
				$( "<td>&#160;</td>", that.document[ 0 ] )
				.attr( "colspan", $( this ).attr( "colspan" ) || 1 )
				.appendTo( targetTr );
			} );
		},

		_contactContainers: function( event ) {
			var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom,
				floating, axis,
				innermostContainer = null,
				innermostIndex = null;

			// Get innermost container that intersects with item
			for ( i = this.containers.length - 1; i >= 0; i-- ) {

				// Never consider a container that's located within the item itself
				if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) {
					continue;
				}

				if ( this._intersectsWith( this.containers[ i ].containerCache ) ) {

					// If we've already found a container and it's more "inner" than this, then continue
					if ( innermostContainer &&
						$.contains(
							this.containers[ i ].element[ 0 ],
							innermostContainer.element[ 0 ] ) ) {
						continue;
					}

					innermostContainer = this.containers[ i ];
					innermostIndex = i;

				} else {

					// container doesn't intersect. trigger "out" event if necessary
					if ( this.containers[ i ].containerCache.over ) {
						this.containers[ i ]._trigger( "out", event, this._uiHash( this ) );
						this.containers[ i ].containerCache.over = 0;
					}
				}

			}

			this.innermostContainer = innermostContainer;

			// If no intersecting containers found, return
			if ( !innermostContainer ) {
				return;
			}

			// Move the item into the container if it's not there already
			if ( this.containers.length === 1 ) {
				if ( !this.containers[ innermostIndex ].containerCache.over ) {
					this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
					this.containers[ innermostIndex ].containerCache.over = 1;
				}
			} else {

				// When entering a new container, we will find the item with the least distance and
				// append our item near it
				dist = 10000;
				itemWithLeastDistance = null;
				floating = innermostContainer.floating || this._isFloating( this.currentItem );
				posProperty = floating ? "left" : "top";
				sizeProperty = floating ? "width" : "height";
				axis = floating ? "pageX" : "pageY";

				for ( j = this.items.length - 1; j >= 0; j-- ) {
					if ( !$.contains(
						this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] )
					) {
						continue;
					}
					if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) {
						continue;
					}

					cur = this.items[ j ].item.offset()[ posProperty ];
					nearBottom = false;
					if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
						nearBottom = true;
					}

					if ( Math.abs( event[ axis ] - cur ) < dist ) {
						dist = Math.abs( event[ axis ] - cur );
						itemWithLeastDistance = this.items[ j ];
						this.direction = nearBottom ? "up" : "down";
					}
				}

				//Check if dropOnEmpty is enabled
				if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) {
					return;
				}

				if ( this.currentContainer === this.containers[ innermostIndex ] ) {
					if ( !this.currentContainer.containerCache.over ) {
						this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
						this.currentContainer.containerCache.over = 1;
					}
					return;
				}

				if ( itemWithLeastDistance ) {
					this._rearrange( event, itemWithLeastDistance, null, true );
				} else {
					this._rearrange( event, null, this.containers[ innermostIndex ].element, true );
				}
				this._trigger( "change", event, this._uiHash() );
				this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) );
				this.currentContainer = this.containers[ innermostIndex ];

				//Update the placeholder
				this.options.placeholder.update( this.currentContainer, this.placeholder );

				//Update scrollParent
				this.scrollParent = this.placeholder.scrollParent();

				//Update overflowOffset
				if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
					this.scrollParent[ 0 ].tagName !== "HTML" ) {
					this.overflowOffset = this.scrollParent.offset();
				}

				this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
				this.containers[ innermostIndex ].containerCache.over = 1;
			}

		},

		_createHelper: function( event ) {

			var o = this.options,
				helper = typeof o.helper === "function" ?
					$( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) :
					( o.helper === "clone" ? this.currentItem.clone() : this.currentItem );

			//Add the helper to the DOM if that didn't happen already
			if ( !helper.parents( "body" ).length ) {
				this.appendTo[ 0 ].appendChild( helper[ 0 ] );
			}

			if ( helper[ 0 ] === this.currentItem[ 0 ] ) {
				this._storedCSS = {
					width: this.currentItem[ 0 ].style.width,
					height: this.currentItem[ 0 ].style.height,
					position: this.currentItem.css( "position" ),
					top: this.currentItem.css( "top" ),
					left: this.currentItem.css( "left" )
				};
			}

			if ( !helper[ 0 ].style.width || o.forceHelperSize ) {
				helper.width( this.currentItem.width() );
			}
			if ( !helper[ 0 ].style.height || o.forceHelperSize ) {
				helper.height( this.currentItem.height() );
			}

			return helper;

		},

		_adjustOffsetFromHelper: function( obj ) {
			if ( typeof obj === "string" ) {
				obj = obj.split( " " );
			}
			if ( Array.isArray( obj ) ) {
				obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
			}
			if ( "left" in obj ) {
				this.offset.click.left = obj.left + this.margins.left;
			}
			if ( "right" in obj ) {
				this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
			}
			if ( "top" in obj ) {
				this.offset.click.top = obj.top + this.margins.top;
			}
			if ( "bottom" in obj ) {
				this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
			}
		},

		_getParentOffset: function() {

			//Get the offsetParent and cache its position
			this.offsetParent = this.helper.offsetParent();
			var po = this.offsetParent.offset();

			// This is a special case where we need to modify a offset calculated on start, since the
			// following happened:
			// 1. The position of the helper is absolute, so it's position is calculated based on the
			// next positioned parent
			// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
			// the document, which means that the scroll is included in the initial calculation of the
			// offset of the parent, and never recalculated upon drag
			if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== this.document[ 0 ] &&
				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
				po.left += this.scrollParent.scrollLeft();
				po.top += this.scrollParent.scrollTop();
			}

			// This needs to be actually done for all browsers, since pageX/pageY includes this
			// information with an ugly IE fix
			if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ||
				( this.offsetParent[ 0 ].tagName &&
					this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) {
				po = { top: 0, left: 0 };
			}

			return {
				top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
				left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
			};

		},

		_getRelativeOffset: function() {

			if ( this.cssPosition === "relative" ) {
				var p = this.currentItem.position();
				return {
					top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
						this.scrollParent.scrollTop(),
					left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
						this.scrollParent.scrollLeft()
				};
			} else {
				return { top: 0, left: 0 };
			}

		},

		_cacheMargins: function() {
			this.margins = {
				left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ),
				top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 )
			};
		},

		_cacheHelperProportions: function() {
			this.helperProportions = {
				width: this.helper.outerWidth(),
				height: this.helper.outerHeight()
			};
		},

		_setContainment: function() {

			var ce, co, over,
				o = this.options;
			if ( o.containment === "parent" ) {
				o.containment = this.helper[ 0 ].parentNode;
			}
			if ( o.containment === "document" || o.containment === "window" ) {
				this.containment = [
					0 - this.offset.relative.left - this.offset.parent.left,
					0 - this.offset.relative.top - this.offset.parent.top,
					o.containment === "document" ?
						this.document.width() :
						this.window.width() - this.helperProportions.width - this.margins.left,
					( o.containment === "document" ?
							( this.document.height() || document.body.parentNode.scrollHeight ) :
							this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight
					) - this.helperProportions.height - this.margins.top
				];
			}

			if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) {
				ce = $( o.containment )[ 0 ];
				co = $( o.containment ).offset();
				over = ( $( ce ).css( "overflow" ) !== "hidden" );

				this.containment = [
					co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) +
					( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left,
					co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) +
					( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top,
					co.left + ( over ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
					( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) -
					( parseInt( $( ce ).css( "paddingRight" ), 10 ) || 0 ) -
					this.helperProportions.width - this.margins.left,
					co.top + ( over ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
					( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) -
					( parseInt( $( ce ).css( "paddingBottom" ), 10 ) || 0 ) -
					this.helperProportions.height - this.margins.top
				];
			}

		},

		_convertPositionTo: function( d, pos ) {

			if ( !pos ) {
				pos = this.position;
			}
			var mod = d === "absolute" ? 1 : -1,
				scroll = this.cssPosition === "absolute" &&
				!( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
					$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
					this.offsetParent :
					this.scrollParent,
				scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );

			return {
				top: (

					// The absolute mouse position
					pos.top	+

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.top * mod +

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.top * mod -
					( ( this.cssPosition === "fixed" ?
						-this.scrollParent.scrollTop() :
						( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod )
				),
				left: (

					// The absolute mouse position
					pos.left +

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.left * mod +

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.left * mod	-
					( ( this.cssPosition === "fixed" ?
						-this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 :
							scroll.scrollLeft() ) * mod )
				)
			};

		},

		_generatePosition: function( event ) {

			var top, left,
				o = this.options,
				pageX = event.pageX,
				pageY = event.pageY,
				scroll = this.cssPosition === "absolute" &&
				!( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
					$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
					this.offsetParent :
					this.scrollParent,
				scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );

			// This is another very weird special case that only happens for relative elements:
			// 1. If the css position is relative
			// 2. and the scroll parent is the document or similar to the offset parent
			// we have to refresh the relative offset during the scroll so there are no jumps
			if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
				this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) {
				this.offset.relative = this._getRelativeOffset();
			}

			/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */

			if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options

				if ( this.containment ) {
					if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) {
						pageX = this.containment[ 0 ] + this.offset.click.left;
					}
					if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) {
						pageY = this.containment[ 1 ] + this.offset.click.top;
					}
					if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) {
						pageX = this.containment[ 2 ] + this.offset.click.left;
					}
					if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) {
						pageY = this.containment[ 3 ] + this.offset.click.top;
					}
				}

				if ( o.grid ) {
					top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) /
						o.grid[ 1 ] ) * o.grid[ 1 ];
					pageY = this.containment ?
						( ( top - this.offset.click.top >= this.containment[ 1 ] &&
							top - this.offset.click.top <= this.containment[ 3 ] ) ?
							top :
							( ( top - this.offset.click.top >= this.containment[ 1 ] ) ?
								top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) :
						top;

					left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) /
						o.grid[ 0 ] ) * o.grid[ 0 ];
					pageX = this.containment ?
						( ( left - this.offset.click.left >= this.containment[ 0 ] &&
							left - this.offset.click.left <= this.containment[ 2 ] ) ?
							left :
							( ( left - this.offset.click.left >= this.containment[ 0 ] ) ?
								left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) :
						left;
				}

			}

			return {
				top: (

					// The absolute mouse position
					pageY -

					// Click offset (relative to the element)
					this.offset.click.top -

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.top -

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.top +
					( ( this.cssPosition === "fixed" ?
						-this.scrollParent.scrollTop() :
						( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) )
				),
				left: (

					// The absolute mouse position
					pageX -

					// Click offset (relative to the element)
					this.offset.click.left -

					// Only for relative positioned nodes: Relative offset from element to offset parent
					this.offset.relative.left -

					// The offsetParent's offset without borders (offset + border)
					this.offset.parent.left +
					( ( this.cssPosition === "fixed" ?
						-this.scrollParent.scrollLeft() :
						scrollIsRootNode ? 0 : scroll.scrollLeft() ) )
				)
			};

		},

		_rearrange: function( event, i, a, hardRefresh ) {

			if ( a ) {
				a[ 0 ].appendChild( this.placeholder[ 0 ] );
			} else {
				i.item[ 0 ].parentNode.insertBefore( this.placeholder[ 0 ],
					( this.direction === "down" ? i.item[ 0 ] : i.item[ 0 ].nextSibling ) );
			}

			//Various things done here to improve the performance:
			// 1. we create a setTimeout, that calls refreshPositions
			// 2. on the instance, we have a counter variable, that get's higher after every append
			// 3. on the local scope, we copy the counter variable, and check in the timeout,
			// if it's still the same
			// 4. this lets only the last addition to the timeout stack through
			this.counter = this.counter ? ++this.counter : 1;
			var counter = this.counter;

			this._delay( function() {
				if ( counter === this.counter ) {

					//Precompute after each DOM insertion, NOT on mousemove
					this.refreshPositions( !hardRefresh );
				}
			} );

		},

		_clear: function( event, noPropagation ) {

			this.reverting = false;

			// We delay all events that have to be triggered to after the point where the placeholder
			// has been removed and everything else normalized again
			var i,
				delayedTriggers = [];

			// We first have to update the dom position of the actual currentItem
			// Note: don't do it if the current item is already removed (by a user), or it gets
			// reappended (see #4088)
			if ( !this._noFinalSort && this.currentItem.parent().length ) {
				this.placeholder.before( this.currentItem );
			}
			this._noFinalSort = null;

			if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) {
				for ( i in this._storedCSS ) {
					if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) {
						this._storedCSS[ i ] = "";
					}
				}
				this.currentItem.css( this._storedCSS );
				this._removeClass( this.currentItem, "ui-sortable-helper" );
			} else {
				this.currentItem.show();
			}

			if ( this.fromOutside && !noPropagation ) {
				delayedTriggers.push( function( event ) {
					this._trigger( "receive", event, this._uiHash( this.fromOutside ) );
				} );
			}
			if ( ( this.fromOutside ||
				this.domPosition.prev !==
				this.currentItem.prev().not( ".ui-sortable-helper" )[ 0 ] ||
				this.domPosition.parent !== this.currentItem.parent()[ 0 ] ) && !noPropagation ) {

				// Trigger update callback if the DOM position has changed
				delayedTriggers.push( function( event ) {
					this._trigger( "update", event, this._uiHash() );
				} );
			}

			// Check if the items Container has Changed and trigger appropriate
			// events.
			if ( this !== this.currentContainer ) {
				if ( !noPropagation ) {
					delayedTriggers.push( function( event ) {
						this._trigger( "remove", event, this._uiHash() );
					} );
					delayedTriggers.push( ( function( c ) {
						return function( event ) {
							c._trigger( "receive", event, this._uiHash( this ) );
						};
					} ).call( this, this.currentContainer ) );
					delayedTriggers.push( ( function( c ) {
						return function( event ) {
							c._trigger( "update", event, this._uiHash( this ) );
						};
					} ).call( this, this.currentContainer ) );
				}
			}

			//Post events to containers
			function delayEvent( type, instance, container ) {
				return function( event ) {
					container._trigger( type, event, instance._uiHash( instance ) );
				};
			}
			for ( i = this.containers.length - 1; i >= 0; i-- ) {
				if ( !noPropagation ) {
					delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
				}
				if ( this.containers[ i ].containerCache.over ) {
					delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
					this.containers[ i ].containerCache.over = 0;
				}
			}

			//Do what was originally in plugins
			if ( this.storedCursor ) {
				this.document.find( "body" ).css( "cursor", this.storedCursor );
				this.storedStylesheet.remove();
			}
			if ( this._storedOpacity ) {
				this.helper.css( "opacity", this._storedOpacity );
			}
			if ( this._storedZIndex ) {
				this.helper.css( "zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex );
			}

			this.dragging = false;

			if ( !noPropagation ) {
				this._trigger( "beforeStop", event, this._uiHash() );
			}

			//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
			// it unbinds ALL events from the original node!
			this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );

			if ( !this.cancelHelperRemoval ) {
				if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
					this.helper.remove();
				}
				this.helper = null;
			}

			if ( !noPropagation ) {
				for ( i = 0; i < delayedTriggers.length; i++ ) {

					// Trigger all delayed events
					delayedTriggers[ i ].call( this, event );
				}
				this._trigger( "stop", event, this._uiHash() );
			}

			this.fromOutside = false;
			return !this.cancelHelperRemoval;

		},

		_trigger: function() {
			if ( $.Widget.prototype._trigger.apply( this, arguments ) === false ) {
				this.cancel();
			}
		},

		_uiHash: function( _inst ) {
			var inst = _inst || this;
			return {
				helper: inst.helper,
				placeholder: inst.placeholder || $( [] ),
				position: inst.position,
				originalPosition: inst.originalPosition,
				offset: inst.positionAbs,
				item: inst.currentItem,
				sender: _inst ? _inst.element : null
			};
		}

	} );


	/*!
 * jQuery UI Spinner 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Spinner
//>>group: Widgets
//>>description: Displays buttons to easily input numbers via the keyboard or mouse.
//>>docs: http://api.jqueryui.com/spinner/
//>>demos: http://jqueryui.com/spinner/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/spinner.css
//>>css.theme: ../../themes/base/theme.css


	function spinnerModifier( fn ) {
		return function() {
			var previous = this.element.val();
			fn.apply( this, arguments );
			this._refresh();
			if ( previous !== this.element.val() ) {
				this._trigger( "change" );
			}
		};
	}

	$.widget( "ui.spinner", {
		version: "1.13.0",
		defaultElement: "<input>",
		widgetEventPrefix: "spin",
		options: {
			classes: {
				"ui-spinner": "ui-corner-all",
				"ui-spinner-down": "ui-corner-br",
				"ui-spinner-up": "ui-corner-tr"
			},
			culture: null,
			icons: {
				down: "ui-icon-triangle-1-s",
				up: "ui-icon-triangle-1-n"
			},
			incremental: true,
			max: null,
			min: null,
			numberFormat: null,
			page: 10,
			step: 1,

			change: null,
			spin: null,
			start: null,
			stop: null
		},

		_create: function() {

			// handle string values that need to be parsed
			this._setOption( "max", this.options.max );
			this._setOption( "min", this.options.min );
			this._setOption( "step", this.options.step );

			// Only format if there is a value, prevents the field from being marked
			// as invalid in Firefox, see #9573.
			if ( this.value() !== "" ) {

				// Format the value, but don't constrain.
				this._value( this.element.val(), true );
			}

			this._draw();
			this._on( this._events );
			this._refresh();

			// Turning off autocomplete prevents the browser from remembering the
			// value when navigating through history, so we re-enable autocomplete
			// if the page is unloaded before the widget is destroyed. #7790
			this._on( this.window, {
				beforeunload: function() {
					this.element.removeAttr( "autocomplete" );
				}
			} );
		},

		_getCreateOptions: function() {
			var options = this._super();
			var element = this.element;

			$.each( [ "min", "max", "step" ], function( i, option ) {
				var value = element.attr( option );
				if ( value != null && value.length ) {
					options[ option ] = value;
				}
			} );

			return options;
		},

		_events: {
			keydown: function( event ) {
				if ( this._start( event ) && this._keydown( event ) ) {
					event.preventDefault();
				}
			},
			keyup: "_stop",
			focus: function() {
				this.previous = this.element.val();
			},
			blur: function( event ) {
				if ( this.cancelBlur ) {
					delete this.cancelBlur;
					return;
				}

				this._stop();
				this._refresh();
				if ( this.previous !== this.element.val() ) {
					this._trigger( "change", event );
				}
			},
			mousewheel: function( event, delta ) {
				var activeElement = $.ui.safeActiveElement( this.document[ 0 ] );
				var isActive = this.element[ 0 ] === activeElement;

				if ( !isActive || !delta ) {
					return;
				}

				if ( !this.spinning && !this._start( event ) ) {
					return false;
				}

				this._spin( ( delta > 0 ? 1 : -1 ) * this.options.step, event );
				clearTimeout( this.mousewheelTimer );
				this.mousewheelTimer = this._delay( function() {
					if ( this.spinning ) {
						this._stop( event );
					}
				}, 100 );
				event.preventDefault();
			},
			"mousedown .ui-spinner-button": function( event ) {
				var previous;

				// We never want the buttons to have focus; whenever the user is
				// interacting with the spinner, the focus should be on the input.
				// If the input is focused then this.previous is properly set from
				// when the input first received focus. If the input is not focused
				// then we need to set this.previous based on the value before spinning.
				previous = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] ) ?
					this.previous : this.element.val();
				function checkFocus() {
					var isActive = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] );
					if ( !isActive ) {
						this.element.trigger( "focus" );
						this.previous = previous;

						// support: IE
						// IE sets focus asynchronously, so we need to check if focus
						// moved off of the input because the user clicked on the button.
						this._delay( function() {
							this.previous = previous;
						} );
					}
				}

				// Ensure focus is on (or stays on) the text field
				event.preventDefault();
				checkFocus.call( this );

				// Support: IE
				// IE doesn't prevent moving focus even with event.preventDefault()
				// so we set a flag to know when we should ignore the blur event
				// and check (again) if focus moved off of the input.
				this.cancelBlur = true;
				this._delay( function() {
					delete this.cancelBlur;
					checkFocus.call( this );
				} );

				if ( this._start( event ) === false ) {
					return;
				}

				this._repeat( null, $( event.currentTarget )
				.hasClass( "ui-spinner-up" ) ? 1 : -1, event );
			},
			"mouseup .ui-spinner-button": "_stop",
			"mouseenter .ui-spinner-button": function( event ) {

				// button will add ui-state-active if mouse was down while mouseleave and kept down
				if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
					return;
				}

				if ( this._start( event ) === false ) {
					return false;
				}
				this._repeat( null, $( event.currentTarget )
				.hasClass( "ui-spinner-up" ) ? 1 : -1, event );
			},

			// TODO: do we really want to consider this a stop?
			// shouldn't we just stop the repeater and wait until mouseup before
			// we trigger the stop event?
			"mouseleave .ui-spinner-button": "_stop"
		},

		// Support mobile enhanced option and make backcompat more sane
		_enhance: function() {
			this.uiSpinner = this.element
			.attr( "autocomplete", "off" )
			.wrap( "<span>" )
			.parent()

			// Add buttons
			.append(
				"<a></a><a></a>"
			);
		},

		_draw: function() {
			this._enhance();

			this._addClass( this.uiSpinner, "ui-spinner", "ui-widget ui-widget-content" );
			this._addClass( "ui-spinner-input" );

			this.element.attr( "role", "spinbutton" );

			// Button bindings
			this.buttons = this.uiSpinner.children( "a" )
			.attr( "tabIndex", -1 )
			.attr( "aria-hidden", true )
			.button( {
				classes: {
					"ui-button": ""
				}
			} );

			// TODO: Right now button does not support classes this is already updated in button PR
			this._removeClass( this.buttons, "ui-corner-all" );

			this._addClass( this.buttons.first(), "ui-spinner-button ui-spinner-up" );
			this._addClass( this.buttons.last(), "ui-spinner-button ui-spinner-down" );
			this.buttons.first().button( {
				"icon": this.options.icons.up,
				"showLabel": false
			} );
			this.buttons.last().button( {
				"icon": this.options.icons.down,
				"showLabel": false
			} );

			// IE 6 doesn't understand height: 50% for the buttons
			// unless the wrapper has an explicit height
			if ( this.buttons.height() > Math.ceil( this.uiSpinner.height() * 0.5 ) &&
				this.uiSpinner.height() > 0 ) {
				this.uiSpinner.height( this.uiSpinner.height() );
			}
		},

		_keydown: function( event ) {
			var options = this.options,
				keyCode = $.ui.keyCode;

			switch ( event.keyCode ) {
				case keyCode.UP:
					this._repeat( null, 1, event );
					return true;
				case keyCode.DOWN:
					this._repeat( null, -1, event );
					return true;
				case keyCode.PAGE_UP:
					this._repeat( null, options.page, event );
					return true;
				case keyCode.PAGE_DOWN:
					this._repeat( null, -options.page, event );
					return true;
			}

			return false;
		},

		_start: function( event ) {
			if ( !this.spinning && this._trigger( "start", event ) === false ) {
				return false;
			}

			if ( !this.counter ) {
				this.counter = 1;
			}
			this.spinning = true;
			return true;
		},

		_repeat: function( i, steps, event ) {
			i = i || 500;

			clearTimeout( this.timer );
			this.timer = this._delay( function() {
				this._repeat( 40, steps, event );
			}, i );

			this._spin( steps * this.options.step, event );
		},

		_spin: function( step, event ) {
			var value = this.value() || 0;

			if ( !this.counter ) {
				this.counter = 1;
			}

			value = this._adjustValue( value + step * this._increment( this.counter ) );

			if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false ) {
				this._value( value );
				this.counter++;
			}
		},

		_increment: function( i ) {
			var incremental = this.options.incremental;

			if ( incremental ) {
				return typeof incremental === "function" ?
					incremental( i ) :
					Math.floor( i * i * i / 50000 - i * i / 500 + 17 * i / 200 + 1 );
			}

			return 1;
		},

		_precision: function() {
			var precision = this._precisionOf( this.options.step );
			if ( this.options.min !== null ) {
				precision = Math.max( precision, this._precisionOf( this.options.min ) );
			}
			return precision;
		},

		_precisionOf: function( num ) {
			var str = num.toString(),
				decimal = str.indexOf( "." );
			return decimal === -1 ? 0 : str.length - decimal - 1;
		},

		_adjustValue: function( value ) {
			var base, aboveMin,
				options = this.options;

			// Make sure we're at a valid step
			// - find out where we are relative to the base (min or 0)
			base = options.min !== null ? options.min : 0;
			aboveMin = value - base;

			// - round to the nearest step
			aboveMin = Math.round( aboveMin / options.step ) * options.step;

			// - rounding is based on 0, so adjust back to our base
			value = base + aboveMin;

			// Fix precision from bad JS floating point math
			value = parseFloat( value.toFixed( this._precision() ) );

			// Clamp the value
			if ( options.max !== null && value > options.max ) {
				return options.max;
			}
			if ( options.min !== null && value < options.min ) {
				return options.min;
			}

			return value;
		},

		_stop: function( event ) {
			if ( !this.spinning ) {
				return;
			}

			clearTimeout( this.timer );
			clearTimeout( this.mousewheelTimer );
			this.counter = 0;
			this.spinning = false;
			this._trigger( "stop", event );
		},

		_setOption: function( key, value ) {
			var prevValue, first, last;

			if ( key === "culture" || key === "numberFormat" ) {
				prevValue = this._parse( this.element.val() );
				this.options[ key ] = value;
				this.element.val( this._format( prevValue ) );
				return;
			}

			if ( key === "max" || key === "min" || key === "step" ) {
				if ( typeof value === "string" ) {
					value = this._parse( value );
				}
			}
			if ( key === "icons" ) {
				first = this.buttons.first().find( ".ui-icon" );
				this._removeClass( first, null, this.options.icons.up );
				this._addClass( first, null, value.up );
				last = this.buttons.last().find( ".ui-icon" );
				this._removeClass( last, null, this.options.icons.down );
				this._addClass( last, null, value.down );
			}

			this._super( key, value );
		},

		_setOptionDisabled: function( value ) {
			this._super( value );

			this._toggleClass( this.uiSpinner, null, "ui-state-disabled", !!value );
			this.element.prop( "disabled", !!value );
			this.buttons.button( value ? "disable" : "enable" );
		},

		_setOptions: spinnerModifier( function( options ) {
			this._super( options );
		} ),

		_parse: function( val ) {
			if ( typeof val === "string" && val !== "" ) {
				val = window.Globalize && this.options.numberFormat ?
					Globalize.parseFloat( val, 10, this.options.culture ) : +val;
			}
			return val === "" || isNaN( val ) ? null : val;
		},

		_format: function( value ) {
			if ( value === "" ) {
				return "";
			}
			return window.Globalize && this.options.numberFormat ?
				Globalize.format( value, this.options.numberFormat, this.options.culture ) :
				value;
		},

		_refresh: function() {
			this.element.attr( {
				"aria-valuemin": this.options.min,
				"aria-valuemax": this.options.max,

				// TODO: what should we do with values that can't be parsed?
				"aria-valuenow": this._parse( this.element.val() )
			} );
		},

		isValid: function() {
			var value = this.value();

			// Null is invalid
			if ( value === null ) {
				return false;
			}

			// If value gets adjusted, it's invalid
			return value === this._adjustValue( value );
		},

		// Update the value without triggering change
		_value: function( value, allowAny ) {
			var parsed;
			if ( value !== "" ) {
				parsed = this._parse( value );
				if ( parsed !== null ) {
					if ( !allowAny ) {
						parsed = this._adjustValue( parsed );
					}
					value = this._format( parsed );
				}
			}
			this.element.val( value );
			this._refresh();
		},

		_destroy: function() {
			this.element
			.prop( "disabled", false )
			.removeAttr( "autocomplete role aria-valuemin aria-valuemax aria-valuenow" );

			this.uiSpinner.replaceWith( this.element );
		},

		stepUp: spinnerModifier( function( steps ) {
			this._stepUp( steps );
		} ),
		_stepUp: function( steps ) {
			if ( this._start() ) {
				this._spin( ( steps || 1 ) * this.options.step );
				this._stop();
			}
		},

		stepDown: spinnerModifier( function( steps ) {
			this._stepDown( steps );
		} ),
		_stepDown: function( steps ) {
			if ( this._start() ) {
				this._spin( ( steps || 1 ) * -this.options.step );
				this._stop();
			}
		},

		pageUp: spinnerModifier( function( pages ) {
			this._stepUp( ( pages || 1 ) * this.options.page );
		} ),

		pageDown: spinnerModifier( function( pages ) {
			this._stepDown( ( pages || 1 ) * this.options.page );
		} ),

		value: function( newVal ) {
			if ( !arguments.length ) {
				return this._parse( this.element.val() );
			}
			spinnerModifier( this._value ).call( this, newVal );
		},

		widget: function() {
			return this.uiSpinner;
		}
	} );

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
	if ( $.uiBackCompat !== false ) {

		// Backcompat for spinner html extension points
		$.widget( "ui.spinner", $.ui.spinner, {
			_enhance: function() {
				this.uiSpinner = this.element
				.attr( "autocomplete", "off" )
				.wrap( this._uiSpinnerHtml() )
				.parent()

				// Add buttons
				.append( this._buttonHtml() );
			},
			_uiSpinnerHtml: function() {
				return "<span>";
			},

			_buttonHtml: function() {
				return "<a></a><a></a>";
			}
		} );
	}

	var widgetsSpinner = $.ui.spinner;


	/*!
 * jQuery UI Tabs 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Tabs
//>>group: Widgets
//>>description: Transforms a set of container elements into a tab structure.
//>>docs: http://api.jqueryui.com/tabs/
//>>demos: http://jqueryui.com/tabs/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/tabs.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.tabs", {
		version: "1.13.0",
		delay: 300,
		options: {
			active: null,
			classes: {
				"ui-tabs": "ui-corner-all",
				"ui-tabs-nav": "ui-corner-all",
				"ui-tabs-panel": "ui-corner-bottom",
				"ui-tabs-tab": "ui-corner-top"
			},
			collapsible: false,
			event: "click",
			heightStyle: "content",
			hide: null,
			show: null,

			// Callbacks
			activate: null,
			beforeActivate: null,
			beforeLoad: null,
			load: null
		},

		_isLocal: ( function() {
			var rhash = /#.*$/;

			return function( anchor ) {
				var anchorUrl, locationUrl;

				anchorUrl = anchor.href.replace( rhash, "" );
				locationUrl = location.href.replace( rhash, "" );

				// Decoding may throw an error if the URL isn't UTF-8 (#9518)
				try {
					anchorUrl = decodeURIComponent( anchorUrl );
				} catch ( error ) {}
				try {
					locationUrl = decodeURIComponent( locationUrl );
				} catch ( error ) {}

				return anchor.hash.length > 1 && anchorUrl === locationUrl;
			};
		} )(),

		_create: function() {
			var that = this,
				options = this.options;

			this.running = false;

			this._addClass( "ui-tabs", "ui-widget ui-widget-content" );
			this._toggleClass( "ui-tabs-collapsible", null, options.collapsible );

			this._processTabs();
			options.active = this._initialActive();

			// Take disabling tabs via class attribute from HTML
			// into account and update option properly.
			if ( Array.isArray( options.disabled ) ) {
				options.disabled = $.uniqueSort( options.disabled.concat(
					$.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
						return that.tabs.index( li );
					} )
				) ).sort();
			}

			// Check for length avoids error when initializing empty list
			if ( this.options.active !== false && this.anchors.length ) {
				this.active = this._findActive( options.active );
			} else {
				this.active = $();
			}

			this._refresh();

			if ( this.active.length ) {
				this.load( options.active );
			}
		},

		_initialActive: function() {
			var active = this.options.active,
				collapsible = this.options.collapsible,
				locationHash = location.hash.substring( 1 );

			if ( active === null ) {

				// check the fragment identifier in the URL
				if ( locationHash ) {
					this.tabs.each( function( i, tab ) {
						if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
							active = i;
							return false;
						}
					} );
				}

				// Check for a tab marked active via a class
				if ( active === null ) {
					active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
				}

				// No active tab, set to false
				if ( active === null || active === -1 ) {
					active = this.tabs.length ? 0 : false;
				}
			}

			// Handle numbers: negative, out of range
			if ( active !== false ) {
				active = this.tabs.index( this.tabs.eq( active ) );
				if ( active === -1 ) {
					active = collapsible ? false : 0;
				}
			}

			// Don't allow collapsible: false and active: false
			if ( !collapsible && active === false && this.anchors.length ) {
				active = 0;
			}

			return active;
		},

		_getCreateEventData: function() {
			return {
				tab: this.active,
				panel: !this.active.length ? $() : this._getPanelForTab( this.active )
			};
		},

		_tabKeydown: function( event ) {
			var focusedTab = $( $.ui.safeActiveElement( this.document[ 0 ] ) ).closest( "li" ),
				selectedIndex = this.tabs.index( focusedTab ),
				goingForward = true;

			if ( this._handlePageNav( event ) ) {
				return;
			}

			switch ( event.keyCode ) {
				case $.ui.keyCode.RIGHT:
				case $.ui.keyCode.DOWN:
					selectedIndex++;
					break;
				case $.ui.keyCode.UP:
				case $.ui.keyCode.LEFT:
					goingForward = false;
					selectedIndex--;
					break;
				case $.ui.keyCode.END:
					selectedIndex = this.anchors.length - 1;
					break;
				case $.ui.keyCode.HOME:
					selectedIndex = 0;
					break;
				case $.ui.keyCode.SPACE:

					// Activate only, no collapsing
					event.preventDefault();
					clearTimeout( this.activating );
					this._activate( selectedIndex );
					return;
				case $.ui.keyCode.ENTER:

					// Toggle (cancel delayed activation, allow collapsing)
					event.preventDefault();
					clearTimeout( this.activating );

					// Determine if we should collapse or activate
					this._activate( selectedIndex === this.options.active ? false : selectedIndex );
					return;
				default:
					return;
			}

			// Focus the appropriate tab, based on which key was pressed
			event.preventDefault();
			clearTimeout( this.activating );
			selectedIndex = this._focusNextTab( selectedIndex, goingForward );

			// Navigating with control/command key will prevent automatic activation
			if ( !event.ctrlKey && !event.metaKey ) {

				// Update aria-selected immediately so that AT think the tab is already selected.
				// Otherwise AT may confuse the user by stating that they need to activate the tab,
				// but the tab will already be activated by the time the announcement finishes.
				focusedTab.attr( "aria-selected", "false" );
				this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );

				this.activating = this._delay( function() {
					this.option( "active", selectedIndex );
				}, this.delay );
			}
		},

		_panelKeydown: function( event ) {
			if ( this._handlePageNav( event ) ) {
				return;
			}

			// Ctrl+up moves focus to the current tab
			if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
				event.preventDefault();
				this.active.trigger( "focus" );
			}
		},

		// Alt+page up/down moves focus to the previous/next tab (and activates)
		_handlePageNav: function( event ) {
			if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
				this._activate( this._focusNextTab( this.options.active - 1, false ) );
				return true;
			}
			if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
				this._activate( this._focusNextTab( this.options.active + 1, true ) );
				return true;
			}
		},

		_findNextTab: function( index, goingForward ) {
			var lastTabIndex = this.tabs.length - 1;

			function constrain() {
				if ( index > lastTabIndex ) {
					index = 0;
				}
				if ( index < 0 ) {
					index = lastTabIndex;
				}
				return index;
			}

			while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
				index = goingForward ? index + 1 : index - 1;
			}

			return index;
		},

		_focusNextTab: function( index, goingForward ) {
			index = this._findNextTab( index, goingForward );
			this.tabs.eq( index ).trigger( "focus" );
			return index;
		},

		_setOption: function( key, value ) {
			if ( key === "active" ) {

				// _activate() will handle invalid values and update this.options
				this._activate( value );
				return;
			}

			this._super( key, value );

			if ( key === "collapsible" ) {
				this._toggleClass( "ui-tabs-collapsible", null, value );

				// Setting collapsible: false while collapsed; open first panel
				if ( !value && this.options.active === false ) {
					this._activate( 0 );
				}
			}

			if ( key === "event" ) {
				this._setupEvents( value );
			}

			if ( key === "heightStyle" ) {
				this._setupHeightStyle( value );
			}
		},

		_sanitizeSelector: function( hash ) {
			return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
		},

		refresh: function() {
			var options = this.options,
				lis = this.tablist.children( ":has(a[href])" );

			// Get disabled tabs from class attribute from HTML
			// this will get converted to a boolean if needed in _refresh()
			options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
				return lis.index( tab );
			} );

			this._processTabs();

			// Was collapsed or no tabs
			if ( options.active === false || !this.anchors.length ) {
				options.active = false;
				this.active = $();

				// was active, but active tab is gone
			} else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {

				// all remaining tabs are disabled
				if ( this.tabs.length === options.disabled.length ) {
					options.active = false;
					this.active = $();

					// activate previous tab
				} else {
					this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
				}

				// was active, active tab still exists
			} else {

				// make sure active index is correct
				options.active = this.tabs.index( this.active );
			}

			this._refresh();
		},

		_refresh: function() {
			this._setOptionDisabled( this.options.disabled );
			this._setupEvents( this.options.event );
			this._setupHeightStyle( this.options.heightStyle );

			this.tabs.not( this.active ).attr( {
				"aria-selected": "false",
				"aria-expanded": "false",
				tabIndex: -1
			} );
			this.panels.not( this._getPanelForTab( this.active ) )
			.hide()
			.attr( {
				"aria-hidden": "true"
			} );

			// Make sure one tab is in the tab order
			if ( !this.active.length ) {
				this.tabs.eq( 0 ).attr( "tabIndex", 0 );
			} else {
				this.active
				.attr( {
					"aria-selected": "true",
					"aria-expanded": "true",
					tabIndex: 0
				} );
				this._addClass( this.active, "ui-tabs-active", "ui-state-active" );
				this._getPanelForTab( this.active )
				.show()
				.attr( {
					"aria-hidden": "false"
				} );
			}
		},

		_processTabs: function() {
			var that = this,
				prevTabs = this.tabs,
				prevAnchors = this.anchors,
				prevPanels = this.panels;

			this.tablist = this._getList().attr( "role", "tablist" );
			this._addClass( this.tablist, "ui-tabs-nav",
				"ui-helper-reset ui-helper-clearfix ui-widget-header" );

			// Prevent users from focusing disabled tabs via click
			this.tablist
			.on( "mousedown" + this.eventNamespace, "> li", function( event ) {
				if ( $( this ).is( ".ui-state-disabled" ) ) {
					event.preventDefault();
				}
			} )

			// Support: IE <9
			// Preventing the default action in mousedown doesn't prevent IE
			// from focusing the element, so if the anchor gets focused, blur.
			// We don't have to worry about focusing the previously focused
			// element since clicking on a non-focusable element should focus
			// the body anyway.
			.on( "focus" + this.eventNamespace, ".ui-tabs-anchor", function() {
				if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
					this.blur();
				}
			} );

			this.tabs = this.tablist.find( "> li:has(a[href])" )
			.attr( {
				role: "tab",
				tabIndex: -1
			} );
			this._addClass( this.tabs, "ui-tabs-tab", "ui-state-default" );

			this.anchors = this.tabs.map( function() {
				return $( "a", this )[ 0 ];
			} )
			.attr( {
				tabIndex: -1
			} );
			this._addClass( this.anchors, "ui-tabs-anchor" );

			this.panels = $();

			this.anchors.each( function( i, anchor ) {
				var selector, panel, panelId,
					anchorId = $( anchor ).uniqueId().attr( "id" ),
					tab = $( anchor ).closest( "li" ),
					originalAriaControls = tab.attr( "aria-controls" );

				// Inline tab
				if ( that._isLocal( anchor ) ) {
					selector = anchor.hash;
					panelId = selector.substring( 1 );
					panel = that.element.find( that._sanitizeSelector( selector ) );

					// remote tab
				} else {

					// If the tab doesn't already have aria-controls,
					// generate an id by using a throw-away element
					panelId = tab.attr( "aria-controls" ) || $( {} ).uniqueId()[ 0 ].id;
					selector = "#" + panelId;
					panel = that.element.find( selector );
					if ( !panel.length ) {
						panel = that._createPanel( panelId );
						panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
					}
					panel.attr( "aria-live", "polite" );
				}

				if ( panel.length ) {
					that.panels = that.panels.add( panel );
				}
				if ( originalAriaControls ) {
					tab.data( "ui-tabs-aria-controls", originalAriaControls );
				}
				tab.attr( {
					"aria-controls": panelId,
					"aria-labelledby": anchorId
				} );
				panel.attr( "aria-labelledby", anchorId );
			} );

			this.panels.attr( "role", "tabpanel" );
			this._addClass( this.panels, "ui-tabs-panel", "ui-widget-content" );

			// Avoid memory leaks (#10056)
			if ( prevTabs ) {
				this._off( prevTabs.not( this.tabs ) );
				this._off( prevAnchors.not( this.anchors ) );
				this._off( prevPanels.not( this.panels ) );
			}
		},

		// Allow overriding how to find the list for rare usage scenarios (#7715)
		_getList: function() {
			return this.tablist || this.element.find( "ol, ul" ).eq( 0 );
		},

		_createPanel: function( id ) {
			return $( "<div>" )
			.attr( "id", id )
			.data( "ui-tabs-destroy", true );
		},

		_setOptionDisabled: function( disabled ) {
			var currentItem, li, i;

			if ( Array.isArray( disabled ) ) {
				if ( !disabled.length ) {
					disabled = false;
				} else if ( disabled.length === this.anchors.length ) {
					disabled = true;
				}
			}

			// Disable tabs
			for ( i = 0; ( li = this.tabs[ i ] ); i++ ) {
				currentItem = $( li );
				if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
					currentItem.attr( "aria-disabled", "true" );
					this._addClass( currentItem, null, "ui-state-disabled" );
				} else {
					currentItem.removeAttr( "aria-disabled" );
					this._removeClass( currentItem, null, "ui-state-disabled" );
				}
			}

			this.options.disabled = disabled;

			this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null,
				disabled === true );
		},

		_setupEvents: function( event ) {
			var events = {};
			if ( event ) {
				$.each( event.split( " " ), function( index, eventName ) {
					events[ eventName ] = "_eventHandler";
				} );
			}

			this._off( this.anchors.add( this.tabs ).add( this.panels ) );

			// Always prevent the default action, even when disabled
			this._on( true, this.anchors, {
				click: function( event ) {
					event.preventDefault();
				}
			} );
			this._on( this.anchors, events );
			this._on( this.tabs, { keydown: "_tabKeydown" } );
			this._on( this.panels, { keydown: "_panelKeydown" } );

			this._focusable( this.tabs );
			this._hoverable( this.tabs );
		},

		_setupHeightStyle: function( heightStyle ) {
			var maxHeight,
				parent = this.element.parent();

			if ( heightStyle === "fill" ) {
				maxHeight = parent.height();
				maxHeight -= this.element.outerHeight() - this.element.height();

				this.element.siblings( ":visible" ).each( function() {
					var elem = $( this ),
						position = elem.css( "position" );

					if ( position === "absolute" || position === "fixed" ) {
						return;
					}
					maxHeight -= elem.outerHeight( true );
				} );

				this.element.children().not( this.panels ).each( function() {
					maxHeight -= $( this ).outerHeight( true );
				} );

				this.panels.each( function() {
					$( this ).height( Math.max( 0, maxHeight -
						$( this ).innerHeight() + $( this ).height() ) );
				} )
				.css( "overflow", "auto" );
			} else if ( heightStyle === "auto" ) {
				maxHeight = 0;
				this.panels.each( function() {
					maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
				} ).height( maxHeight );
			}
		},

		_eventHandler: function( event ) {
			var options = this.options,
				active = this.active,
				anchor = $( event.currentTarget ),
				tab = anchor.closest( "li" ),
				clickedIsActive = tab[ 0 ] === active[ 0 ],
				collapsing = clickedIsActive && options.collapsible,
				toShow = collapsing ? $() : this._getPanelForTab( tab ),
				toHide = !active.length ? $() : this._getPanelForTab( active ),
				eventData = {
					oldTab: active,
					oldPanel: toHide,
					newTab: collapsing ? $() : tab,
					newPanel: toShow
				};

			event.preventDefault();

			if ( tab.hasClass( "ui-state-disabled" ) ||

				// tab is already loading
				tab.hasClass( "ui-tabs-loading" ) ||

				// can't switch durning an animation
				this.running ||

				// click on active header, but not collapsible
				( clickedIsActive && !options.collapsible ) ||

				// allow canceling activation
				( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
				return;
			}

			options.active = collapsing ? false : this.tabs.index( tab );

			this.active = clickedIsActive ? $() : tab;
			if ( this.xhr ) {
				this.xhr.abort();
			}

			if ( !toHide.length && !toShow.length ) {
				$.error( "jQuery UI Tabs: Mismatching fragment identifier." );
			}

			if ( toShow.length ) {
				this.load( this.tabs.index( tab ), event );
			}
			this._toggle( event, eventData );
		},

		// Handles show/hide for selecting tabs
		_toggle: function( event, eventData ) {
			var that = this,
				toShow = eventData.newPanel,
				toHide = eventData.oldPanel;

			this.running = true;

			function complete() {
				that.running = false;
				that._trigger( "activate", event, eventData );
			}

			function show() {
				that._addClass( eventData.newTab.closest( "li" ), "ui-tabs-active", "ui-state-active" );

				if ( toShow.length && that.options.show ) {
					that._show( toShow, that.options.show, complete );
				} else {
					toShow.show();
					complete();
				}
			}

			// Start out by hiding, then showing, then completing
			if ( toHide.length && this.options.hide ) {
				this._hide( toHide, this.options.hide, function() {
					that._removeClass( eventData.oldTab.closest( "li" ),
						"ui-tabs-active", "ui-state-active" );
					show();
				} );
			} else {
				this._removeClass( eventData.oldTab.closest( "li" ),
					"ui-tabs-active", "ui-state-active" );
				toHide.hide();
				show();
			}

			toHide.attr( "aria-hidden", "true" );
			eventData.oldTab.attr( {
				"aria-selected": "false",
				"aria-expanded": "false"
			} );

			// If we're switching tabs, remove the old tab from the tab order.
			// If we're opening from collapsed state, remove the previous tab from the tab order.
			// If we're collapsing, then keep the collapsing tab in the tab order.
			if ( toShow.length && toHide.length ) {
				eventData.oldTab.attr( "tabIndex", -1 );
			} else if ( toShow.length ) {
				this.tabs.filter( function() {
					return $( this ).attr( "tabIndex" ) === 0;
				} )
				.attr( "tabIndex", -1 );
			}

			toShow.attr( "aria-hidden", "false" );
			eventData.newTab.attr( {
				"aria-selected": "true",
				"aria-expanded": "true",
				tabIndex: 0
			} );
		},

		_activate: function( index ) {
			var anchor,
				active = this._findActive( index );

			// Trying to activate the already active panel
			if ( active[ 0 ] === this.active[ 0 ] ) {
				return;
			}

			// Trying to collapse, simulate a click on the current active header
			if ( !active.length ) {
				active = this.active;
			}

			anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
			this._eventHandler( {
				target: anchor,
				currentTarget: anchor,
				preventDefault: $.noop
			} );
		},

		_findActive: function( index ) {
			return index === false ? $() : this.tabs.eq( index );
		},

		_getIndex: function( index ) {

			// meta-function to give users option to provide a href string instead of a numerical index.
			if ( typeof index === "string" ) {
				index = this.anchors.index( this.anchors.filter( "[href$='" +
					$.escapeSelector( index ) + "']" ) );
			}

			return index;
		},

		_destroy: function() {
			if ( this.xhr ) {
				this.xhr.abort();
			}

			this.tablist
			.removeAttr( "role" )
			.off( this.eventNamespace );

			this.anchors
			.removeAttr( "role tabIndex" )
			.removeUniqueId();

			this.tabs.add( this.panels ).each( function() {
				if ( $.data( this, "ui-tabs-destroy" ) ) {
					$( this ).remove();
				} else {
					$( this ).removeAttr( "role tabIndex " +
						"aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded" );
				}
			} );

			this.tabs.each( function() {
				var li = $( this ),
					prev = li.data( "ui-tabs-aria-controls" );
				if ( prev ) {
					li
					.attr( "aria-controls", prev )
					.removeData( "ui-tabs-aria-controls" );
				} else {
					li.removeAttr( "aria-controls" );
				}
			} );

			this.panels.show();

			if ( this.options.heightStyle !== "content" ) {
				this.panels.css( "height", "" );
			}
		},

		enable: function( index ) {
			var disabled = this.options.disabled;
			if ( disabled === false ) {
				return;
			}

			if ( index === undefined ) {
				disabled = false;
			} else {
				index = this._getIndex( index );
				if ( Array.isArray( disabled ) ) {
					disabled = $.map( disabled, function( num ) {
						return num !== index ? num : null;
					} );
				} else {
					disabled = $.map( this.tabs, function( li, num ) {
						return num !== index ? num : null;
					} );
				}
			}
			this._setOptionDisabled( disabled );
		},

		disable: function( index ) {
			var disabled = this.options.disabled;
			if ( disabled === true ) {
				return;
			}

			if ( index === undefined ) {
				disabled = true;
			} else {
				index = this._getIndex( index );
				if ( $.inArray( index, disabled ) !== -1 ) {
					return;
				}
				if ( Array.isArray( disabled ) ) {
					disabled = $.merge( [ index ], disabled ).sort();
				} else {
					disabled = [ index ];
				}
			}
			this._setOptionDisabled( disabled );
		},

		load: function( index, event ) {
			index = this._getIndex( index );
			var that = this,
				tab = this.tabs.eq( index ),
				anchor = tab.find( ".ui-tabs-anchor" ),
				panel = this._getPanelForTab( tab ),
				eventData = {
					tab: tab,
					panel: panel
				},
				complete = function( jqXHR, status ) {
					if ( status === "abort" ) {
						that.panels.stop( false, true );
					}

					that._removeClass( tab, "ui-tabs-loading" );
					panel.removeAttr( "aria-busy" );

					if ( jqXHR === that.xhr ) {
						delete that.xhr;
					}
				};

			// Not remote
			if ( this._isLocal( anchor[ 0 ] ) ) {
				return;
			}

			this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );

			// Support: jQuery <1.8
			// jQuery <1.8 returns false if the request is canceled in beforeSend,
			// but as of 1.8, $.ajax() always returns a jqXHR object.
			if ( this.xhr && this.xhr.statusText !== "canceled" ) {
				this._addClass( tab, "ui-tabs-loading" );
				panel.attr( "aria-busy", "true" );

				this.xhr
				.done( function( response, status, jqXHR ) {

					// support: jQuery <1.8
					// http://bugs.jquery.com/ticket/11778
					setTimeout( function() {
						panel.html( response );
						that._trigger( "load", event, eventData );

						complete( jqXHR, status );
					}, 1 );
				} )
				.fail( function( jqXHR, status ) {

					// support: jQuery <1.8
					// http://bugs.jquery.com/ticket/11778
					setTimeout( function() {
						complete( jqXHR, status );
					}, 1 );
				} );
			}
		},

		_ajaxSettings: function( anchor, event, eventData ) {
			var that = this;
			return {

				// Support: IE <11 only
				// Strip any hash that exists to prevent errors with the Ajax request
				url: anchor.attr( "href" ).replace( /#.*$/, "" ),
				beforeSend: function( jqXHR, settings ) {
					return that._trigger( "beforeLoad", event,
						$.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) );
				}
			};
		},

		_getPanelForTab: function( tab ) {
			var id = $( tab ).attr( "aria-controls" );
			return this.element.find( this._sanitizeSelector( "#" + id ) );
		}
	} );

// DEPRECATED
// TODO: Switch return back to widget declaration at top of file when this is removed
	if ( $.uiBackCompat !== false ) {

		// Backcompat for ui-tab class (now ui-tabs-tab)
		$.widget( "ui.tabs", $.ui.tabs, {
			_processTabs: function() {
				this._superApply( arguments );
				this._addClass( this.tabs, "ui-tab" );
			}
		} );
	}

	var widgetsTabs = $.ui.tabs;


	/*!
 * jQuery UI Tooltip 1.13.0
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Tooltip
//>>group: Widgets
//>>description: Shows additional information for any element on hover or focus.
//>>docs: http://api.jqueryui.com/tooltip/
//>>demos: http://jqueryui.com/tooltip/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/tooltip.css
//>>css.theme: ../../themes/base/theme.css


	$.widget( "ui.tooltip", {
		version: "1.13.0",
		options: {
			classes: {
				"ui-tooltip": "ui-corner-all ui-widget-shadow"
			},
			content: function() {
				var title = $( this ).attr( "title" );

				// Escape title, since we're going from an attribute to raw HTML
				return $( "<a>" ).text( title ).html();
			},
			hide: true,

			// Disabled elements have inconsistent behavior across browsers (#8661)
			items: "[title]:not([disabled])",
			position: {
				my: "left top+15",
				at: "left bottom",
				collision: "flipfit flip"
			},
			show: true,
			track: false,

			// Callbacks
			close: null,
			open: null
		},

		_addDescribedBy: function( elem, id ) {
			var describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ );
			describedby.push( id );
			elem
			.data( "ui-tooltip-id", id )
			.attr( "aria-describedby", String.prototype.trim.call( describedby.join( " " ) ) );
		},

		_removeDescribedBy: function( elem ) {
			var id = elem.data( "ui-tooltip-id" ),
				describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ ),
				index = $.inArray( id, describedby );

			if ( index !== -1 ) {
				describedby.splice( index, 1 );
			}

			elem.removeData( "ui-tooltip-id" );
			describedby = String.prototype.trim.call( describedby.join( " " ) );
			if ( describedby ) {
				elem.attr( "aria-describedby", describedby );
			} else {
				elem.removeAttr( "aria-describedby" );
			}
		},

		_create: function() {
			this._on( {
				mouseover: "open",
				focusin: "open"
			} );

			// IDs of generated tooltips, needed for destroy
			this.tooltips = {};

			// IDs of parent tooltips where we removed the title attribute
			this.parents = {};

			// Append the aria-live region so tooltips announce correctly
			this.liveRegion = $( "<div>" )
			.attr( {
				role: "log",
				"aria-live": "assertive",
				"aria-relevant": "additions"
			} )
			.appendTo( this.document[ 0 ].body );
			this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );

			this.disabledTitles = $( [] );
		},

		_setOption: function( key, value ) {
			var that = this;

			this._super( key, value );

			if ( key === "content" ) {
				$.each( this.tooltips, function( id, tooltipData ) {
					that._updateContent( tooltipData.element );
				} );
			}
		},

		_setOptionDisabled: function( value ) {
			this[ value ? "_disable" : "_enable" ]();
		},

		_disable: function() {
			var that = this;

			// Close open tooltips
			$.each( this.tooltips, function( id, tooltipData ) {
				var event = $.Event( "blur" );
				event.target = event.currentTarget = tooltipData.element[ 0 ];
				that.close( event, true );
			} );

			// Remove title attributes to prevent native tooltips
			this.disabledTitles = this.disabledTitles.add(
				this.element.find( this.options.items ).addBack()
				.filter( function() {
					var element = $( this );
					if ( element.is( "[title]" ) ) {
						return element
						.data( "ui-tooltip-title", element.attr( "title" ) )
						.removeAttr( "title" );
					}
				} )
			);
		},

		_enable: function() {

			// restore title attributes
			this.disabledTitles.each( function() {
				var element = $( this );
				if ( element.data( "ui-tooltip-title" ) ) {
					element.attr( "title", element.data( "ui-tooltip-title" ) );
				}
			} );
			this.disabledTitles = $( [] );
		},

		open: function( event ) {
			var that = this,
				target = $( event ? event.target : this.element )

				// we need closest here due to mouseover bubbling,
				// but always pointing at the same event target
				.closest( this.options.items );

			// No element to show a tooltip for or the tooltip is already open
			if ( !target.length || target.data( "ui-tooltip-id" ) ) {
				return;
			}

			if ( target.attr( "title" ) ) {
				target.data( "ui-tooltip-title", target.attr( "title" ) );
			}

			target.data( "ui-tooltip-open", true );

			// Kill parent tooltips, custom or native, for hover
			if ( event && event.type === "mouseover" ) {
				target.parents().each( function() {
					var parent = $( this ),
						blurEvent;
					if ( parent.data( "ui-tooltip-open" ) ) {
						blurEvent = $.Event( "blur" );
						blurEvent.target = blurEvent.currentTarget = this;
						that.close( blurEvent, true );
					}
					if ( parent.attr( "title" ) ) {
						parent.uniqueId();
						that.parents[ this.id ] = {
							element: this,
							title: parent.attr( "title" )
						};
						parent.attr( "title", "" );
					}
				} );
			}

			this._registerCloseHandlers( event, target );
			this._updateContent( target, event );
		},

		_updateContent: function( target, event ) {
			var content,
				contentOption = this.options.content,
				that = this,
				eventType = event ? event.type : null;

			if ( typeof contentOption === "string" || contentOption.nodeType ||
				contentOption.jquery ) {
				return this._open( event, target, contentOption );
			}

			content = contentOption.call( target[ 0 ], function( response ) {

				// IE may instantly serve a cached response for ajax requests
				// delay this call to _open so the other call to _open runs first
				that._delay( function() {

					// Ignore async response if tooltip was closed already
					if ( !target.data( "ui-tooltip-open" ) ) {
						return;
					}

					// JQuery creates a special event for focusin when it doesn't
					// exist natively. To improve performance, the native event
					// object is reused and the type is changed. Therefore, we can't
					// rely on the type being correct after the event finished
					// bubbling, so we set it back to the previous value. (#8740)
					if ( event ) {
						event.type = eventType;
					}
					this._open( event, target, response );
				} );
			} );
			if ( content ) {
				this._open( event, target, content );
			}
		},

		_open: function( event, target, content ) {
			var tooltipData, tooltip, delayedShow, a11yContent,
				positionOption = $.extend( {}, this.options.position );

			if ( !content ) {
				return;
			}

			// Content can be updated multiple times. If the tooltip already
			// exists, then just update the content and bail.
			tooltipData = this._find( target );
			if ( tooltipData ) {
				tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
				return;
			}

			// If we have a title, clear it to prevent the native tooltip
			// we have to check first to avoid defining a title if none exists
			// (we don't want to cause an element to start matching [title])
			//
			// We use removeAttr only for key events, to allow IE to export the correct
			// accessible attributes. For mouse events, set to empty string to avoid
			// native tooltip showing up (happens only when removing inside mouseover).
			if ( target.is( "[title]" ) ) {
				if ( event && event.type === "mouseover" ) {
					target.attr( "title", "" );
				} else {
					target.removeAttr( "title" );
				}
			}

			tooltipData = this._tooltip( target );
			tooltip = tooltipData.tooltip;
			this._addDescribedBy( target, tooltip.attr( "id" ) );
			tooltip.find( ".ui-tooltip-content" ).html( content );

			// Support: Voiceover on OS X, JAWS on IE <= 9
			// JAWS announces deletions even when aria-relevant="additions"
			// Voiceover will sometimes re-read the entire log region's contents from the beginning
			this.liveRegion.children().hide();
			a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
			a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
			a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
			a11yContent.appendTo( this.liveRegion );

			function position( event ) {
				positionOption.of = event;
				if ( tooltip.is( ":hidden" ) ) {
					return;
				}
				tooltip.position( positionOption );
			}
			if ( this.options.track && event && /^mouse/.test( event.type ) ) {
				this._on( this.document, {
					mousemove: position
				} );

				// trigger once to override element-relative positioning
				position( event );
			} else {
				tooltip.position( $.extend( {
					of: target
				}, this.options.position ) );
			}

			tooltip.hide();

			this._show( tooltip, this.options.show );

			// Handle tracking tooltips that are shown with a delay (#8644). As soon
			// as the tooltip is visible, position the tooltip using the most recent
			// event.
			// Adds the check to add the timers only when both delay and track options are set (#14682)
			if ( this.options.track && this.options.show && this.options.show.delay ) {
				delayedShow = this.delayedShow = setInterval( function() {
					if ( tooltip.is( ":visible" ) ) {
						position( positionOption.of );
						clearInterval( delayedShow );
					}
				}, 13 );
			}

			this._trigger( "open", event, { tooltip: tooltip } );
		},

		_registerCloseHandlers: function( event, target ) {
			var events = {
				keyup: function( event ) {
					if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
						var fakeEvent = $.Event( event );
						fakeEvent.currentTarget = target[ 0 ];
						this.close( fakeEvent, true );
					}
				}
			};

			// Only bind remove handler for delegated targets. Non-delegated
			// tooltips will handle this in destroy.
			if ( target[ 0 ] !== this.element[ 0 ] ) {
				events.remove = function() {
					this._removeTooltip( this._find( target ).tooltip );
				};
			}

			if ( !event || event.type === "mouseover" ) {
				events.mouseleave = "close";
			}
			if ( !event || event.type === "focusin" ) {
				events.focusout = "close";
			}
			this._on( true, target, events );
		},

		close: function( event ) {
			var tooltip,
				that = this,
				target = $( event ? event.currentTarget : this.element ),
				tooltipData = this._find( target );

			// The tooltip may already be closed
			if ( !tooltipData ) {

				// We set ui-tooltip-open immediately upon open (in open()), but only set the
				// additional data once there's actually content to show (in _open()). So even if the
				// tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
				// the period between open() and _open().
				target.removeData( "ui-tooltip-open" );
				return;
			}

			tooltip = tooltipData.tooltip;

			// Disabling closes the tooltip, so we need to track when we're closing
			// to avoid an infinite loop in case the tooltip becomes disabled on close
			if ( tooltipData.closing ) {
				return;
			}

			// Clear the interval for delayed tracking tooltips
			clearInterval( this.delayedShow );

			// Only set title if we had one before (see comment in _open())
			// If the title attribute has changed since open(), don't restore
			if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
				target.attr( "title", target.data( "ui-tooltip-title" ) );
			}

			this._removeDescribedBy( target );

			tooltipData.hiding = true;
			tooltip.stop( true );
			this._hide( tooltip, this.options.hide, function() {
				that._removeTooltip( $( this ) );
			} );

			target.removeData( "ui-tooltip-open" );
			this._off( target, "mouseleave focusout keyup" );

			// Remove 'remove' binding only on delegated targets
			if ( target[ 0 ] !== this.element[ 0 ] ) {
				this._off( target, "remove" );
			}
			this._off( this.document, "mousemove" );

			if ( event && event.type === "mouseleave" ) {
				$.each( this.parents, function( id, parent ) {
					$( parent.element ).attr( "title", parent.title );
					delete that.parents[ id ];
				} );
			}

			tooltipData.closing = true;
			this._trigger( "close", event, { tooltip: tooltip } );
			if ( !tooltipData.hiding ) {
				tooltipData.closing = false;
			}
		},

		_tooltip: function( element ) {
			var tooltip = $( "<div>" ).attr( "role", "tooltip" ),
				content = $( "<div>" ).appendTo( tooltip ),
				id = tooltip.uniqueId().attr( "id" );

			this._addClass( content, "ui-tooltip-content" );
			this._addClass( tooltip, "ui-tooltip", "ui-widget ui-widget-content" );

			tooltip.appendTo( this._appendTo( element ) );

			return this.tooltips[ id ] = {
				element: element,
				tooltip: tooltip
			};
		},

		_find: function( target ) {
			var id = target.data( "ui-tooltip-id" );
			return id ? this.tooltips[ id ] : null;
		},

		_removeTooltip: function( tooltip ) {

			// Clear the interval for delayed tracking tooltips
			clearInterval( this.delayedShow );

			tooltip.remove();
			delete this.tooltips[ tooltip.attr( "id" ) ];
		},

		_appendTo: function( target ) {
			var element = target.closest( ".ui-front, dialog" );

			if ( !element.length ) {
				element = this.document[ 0 ].body;
			}

			return element;
		},

		_destroy: function() {
			var that = this;

			// Close open tooltips
			$.each( this.tooltips, function( id, tooltipData ) {

				// Delegate to close method to handle common cleanup
				var event = $.Event( "blur" ),
					element = tooltipData.element;
				event.target = event.currentTarget = element[ 0 ];
				that.close( event, true );

				// Remove immediately; destroying an open tooltip doesn't use the
				// hide animation
				$( "#" + id ).remove();

				// Restore the title
				if ( element.data( "ui-tooltip-title" ) ) {

					// If the title attribute has changed since open(), don't restore
					if ( !element.attr( "title" ) ) {
						element.attr( "title", element.data( "ui-tooltip-title" ) );
					}
					element.removeData( "ui-tooltip-title" );
				}
			} );
			this.liveRegion.remove();
		}
	});

// DEPRECATED
// TODO: Switch return back to widget declaration at top of file when this is removed
	if ( $.uiBackCompat !== false ) {

		// Backcompat for tooltipClass option
		$.widget( "ui.tooltip", $.ui.tooltip, {
			options: {
				tooltipClass: null
			},
			_tooltip: function() {
				var tooltipData = this._superApply( arguments );
				if ( this.options.tooltipClass ) {
					tooltipData.tooltip.addClass( this.options.tooltipClass );
				}
				return tooltipData;
			}
		} );
	}

	var widgetsTooltip = $.ui.tooltip;
});

/*!
 * jQuery UI Touch Punch 0.2.2
 *
 * Copyright 2011, Dave Furfero
 * Dual licensed under the MIT or GPL Version 2 licenses.
 *
 * Depends:
 *  jquery.ui.widget.js
 *  jquery.ui.mouse.js
 */
(function ($) {

	// Detect touch support
	$.support.touch = ('ontouchend' in document || navigator.maxTouchPoints > 0);

	// Ignore browsers without touch support
	if (!$.support.touch) {
		return;
	}

	var mouseProto = $.ui.mouse.prototype,
		_mouseInit = mouseProto._mouseInit,
		touchHandled;

	/**
	 * Simulate a mouse event based on a corresponding touch event
	 * @param {Object} event A touch event
	 * @param {String} simulatedType The corresponding mouse event
	 */
	function simulateMouseEvent (event, simulatedType) {

		// Ignore multi-touch events
		if (event.originalEvent.touches.length > 1) {
			return;
		}

		event.preventDefault();

		var touch = event.originalEvent.changedTouches[0],
			simulatedEvent = document.createEvent('MouseEvents');

		// Initialize the simulated mouse event using the touch event's coordinates
		simulatedEvent.initMouseEvent(
			simulatedType,    // type
			true,             // bubbles
			true,             // cancelable
			window,           // view
			1,                // detail
			touch.screenX,    // screenX
			touch.screenY,    // screenY
			touch.clientX,    // clientX
			touch.clientY,    // clientY
			false,            // ctrlKey
			false,            // altKey
			false,            // shiftKey
			false,            // metaKey
			0,                // button
			null              // relatedTarget
		);

		// Dispatch the simulated event to the target element
		event.target.dispatchEvent(simulatedEvent);
	}

	/**
	 * Handle the jQuery UI widget's touchstart events
	 * @param {Object} event The widget element's touchstart event
	 */
	mouseProto._touchStart = function (event) {
		var self = this;

		// Ignore the event if another widget is already being handled
		if (touchHandled || !self._mouseCapture(event.originalEvent.changedTouches[0])) {
			return;
		}

		// Set the flag to prevent other widgets from inheriting the touch event
		touchHandled = true;

		// Track movement to determine if interaction was a click
		self._touchMoved = false;

		// Simulate the mouseover event
		simulateMouseEvent(event, 'mouseover');

		// Simulate the mousemove event
		simulateMouseEvent(event, 'mousemove');

		// Simulate the mousedown event
		simulateMouseEvent(event, 'mousedown');
	};

	/**
	 * Handle the jQuery UI widget's touchmove events
	 * @param {Object} event The document's touchmove event
	 */
	mouseProto._touchMove = function (event) {

		// Ignore event if not handled
		if (!touchHandled) {
			return;
		}

		// Interaction was not a click
		this._touchMoved = true;

		// Simulate the mousemove event
		simulateMouseEvent(event, 'mousemove');
	};

	/**
	 * Handle the jQuery UI widget's touchend events
	 * @param {Object} event The document's touchend event
	 */
	mouseProto._touchEnd = function (event) {

		// Ignore event if not handled
		if (!touchHandled) {
			return;
		}

		// Simulate the mouseup event
		simulateMouseEvent(event, 'mouseup');

		// Simulate the mouseout event
		simulateMouseEvent(event, 'mouseout');

		// If the touch interaction did not move, it should trigger a click
		if (!this._touchMoved) {

			// Simulate the click event
			simulateMouseEvent(event, 'click');
		}

		// Unset the flag to allow other widgets to inherit the touch event
		touchHandled = false;
	};

	/**
	 * A duck punch of the $.ui.mouse _mouseInit method to support touch events.
	 * This method extends the widget with bound touch event handlers that
	 * translate touch events to mouse events and pass them to the widget's
	 * original mouse event handling methods.
	 */
	mouseProto._mouseInit = function () {

		var self = this;

		// Delegate the touch handlers to the widget's element
		self.element
		.bind('touchstart', $.proxy(self, '_touchStart'))
		.bind('touchmove', $.proxy(self, '_touchMove'))
		.bind('touchend', $.proxy(self, '_touchEnd'));

		// Call the original $.ui.mouse init method
		_mouseInit.call(self);
	};

})(jQuery);

(function (jQuery) {
	// This is a hack to make ckeditor work inside modal dialogs. Since ckeditor dialogs are placed on body and not in the ui.dialog's DOM. See http://bugs.jqueryui.com/ticket/9087
	jQuery.widget("ui.dialog", jQuery.ui.dialog, {
		_allowInteraction: function (event) {
			return true;
		}
	});

	jQuery.ui.dialog.prototype._focusTabbable = function () {};
})(jQuery);

jQuery = oldJQuery;
;/** @namespace H5P */
H5P.VideoVimeo = (function ($) {

  let numInstances = 0;

  /**
   * Vimeo video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function VimeoPlayer(sources, options, l10n) {
    const self = this;

    let player;

    // Since all the methods of the Vimeo Player SDK are promise-based, we keep
    // track of all relevant state variables so that we can implement the
    // H5P.Video API where all methods return synchronously.
    let buffered = 0;
    let currentQuality;
    let currentTextTrack;
    let currentTime = 0;
    let duration = 0;
    let isMuted = 0;
    let volume = 0;
    let playbackRate = 1;
    let qualities = [];
    let loadingFailedTimeout;
    let failedLoading = false;
    let ratio = 9/16;
    let isLoaded = false;

    const LOADING_TIMEOUT_IN_SECONDS = 8;

    const id = `h5p-vimeo-${++numInstances}`;
    const $wrapper = $('<div/>');
    const $placeholder = $('<div/>', {
      id: id,
      html: `<div class="h5p-video-loading" style="height: 100%; min-height: 200px; display: block; z-index: 100;" aria-label="${l10n.loading}"></div>`
    }).appendTo($wrapper);

    /**
     * Create a new player with the Vimeo Player SDK.
     *
     * @private
     */
    const createVimeoPlayer = async () => {
      if (!$placeholder.is(':visible') || player !== undefined) {
        return;
      }

      // Since the SDK is loaded asynchronously below, explicitly set player to
      // null (unlike undefined) which indicates that creation has begun. This
      // allows the guard statement above to be hit if this function is called
      // more than once.
      player = null;

      const Vimeo = await loadVimeoPlayerSDK();

      const MIN_WIDTH = 200;
      const width = Math.max($wrapper.width(), MIN_WIDTH);

      const canHasControls = options.controls || self.pressToPlay;
      const embedOptions = {
        url: sources[0].path,
        controls: canHasControls,
        responsive: true,
        dnt: true,
        // Hardcoded autoplay to false to avoid playing videos on init
        autoplay: false,
        loop: options.loop ? true : false,
        playsinline: true,
        quality: 'auto',
        width: width,
        muted: false,
        keyboard: canHasControls,
      };

      // Create a new player
      player = new Vimeo.Player(id, embedOptions);

      registerVimeoPlayerEventListeneners(player);

      // Failsafe timeout to handle failed loading of videos.
      // This seems to happen for private videos even though the SDK docs
      // suggests to catch PrivacyError when attempting play()
      loadingFailedTimeout = setTimeout(() => {
        failedLoading = true;
        removeLoadingIndicator();
        $wrapper.html(`<p class="vimeo-failed-loading">${l10n.vimeoLoadingError}</p>`);
        $wrapper.css({
          width: null,
          height: null
        });
        self.trigger('resize');
        self.trigger('error', l10n.vimeoLoadingError);
      }, LOADING_TIMEOUT_IN_SECONDS * 1000);
    }

    const removeLoadingIndicator = () => {
      $placeholder.find('div.h5p-video-loading').remove();
    };

    /**
     * Register event listeners on the given Vimeo player.
     *
     * @private
     * @param {Vimeo.Player} player
     */
    const registerVimeoPlayerEventListeneners = (player) => {
      let isFirstPlay, tracks;
      player.on('loaded', async () => {
        isFirstPlay = true;
        isLoaded = true;
        clearTimeout(loadingFailedTimeout);

        const videoDetails = await getVimeoVideoMetadata(player);
        tracks = videoDetails.tracks.options;
        currentTextTrack = tracks.current;
        duration = videoDetails.duration;
        qualities = videoDetails.qualities;
        currentQuality = 'auto';
        try {
          ratio = videoDetails.dimensions.height / videoDetails.dimensions.width;
        }
        catch (e) { /* Intentionally ignore this, and fallback on the default ratio */ }

        removeLoadingIndicator();

        if (options.startAt) {
          // Vimeo.Player doesn't have an option for setting start time upon
          // instantiation, so we instead perform an initial seek here.
          currentTime = await self.seek(options.startAt);
        }

        self.trigger('ready');
        self.trigger('loaded');
        self.trigger('qualityChange', currentQuality);
        self.trigger('resize');
      });

      player.on('play', () => {
        if (isFirstPlay) {
          isFirstPlay = false;
          if (tracks.length) {
            self.trigger('captions', tracks);
          }
        }
      });

      // Handle playback state changes.
      player.on('playing', () => self.trigger('stateChange', H5P.Video.PLAYING));
      player.on('pause', () => self.trigger('stateChange', H5P.Video.PAUSED));
      player.on('ended', () => self.trigger('stateChange', H5P.Video.ENDED));

      // Track the percentage of video that has finished loading (buffered).
      player.on('progress', (data) => {
        buffered = data.percent * 100;
      });

      // Track the current time. The update frequency may be browser-dependent,
      // according to the official docs:
      // https://developer.vimeo.com/player/sdk/reference#timeupdate
      player.on('timeupdate', (time) => {
        currentTime = time.seconds;
      });
    };

    /**
     * Get metadata about the video loaded in the given Vimeo player.
     *
     * Example resolved value:
     *
     * ```
     * {
     *   "duration": 39,
     *   "qualities": [
     *     {
     *       "name": "auto",
     *       "label": "Auto"
     *     },
     *     {
     *       "name": "1080p",
     *       "label": "1080p"
     *     },
     *     {
     *       "name": "720p",
     *       "label": "720p"
     *     }
     *   ],
     *   "dimensions": {
     *     "width": 1920,
     *     "height": 1080
     *   },
     *   "tracks": {
     *     "current": {
     *       "label": "English",
     *       "value": "en"
     *     },
     *     "options": [
     *       {
     *         "label": "English",
     *         "value": "en"
     *       },
     *       {
     *         "label": "Norsk bokmål",
     *         "value": "nb"
     *       }
     *     ]
     *   }
     * }
     * ```
     *
     * @private
     * @param {Vimeo.Player} player
     * @returns {Promise}
     */
    const getVimeoVideoMetadata = (player) => {
      // Create an object for easy lookup of relevant metadata
      const massageVideoMetadata = (data) => {
        const duration = data[0];
        const qualities = data[1].map(q => ({
          name: q.id,
          label: q.label
        }));
        const tracks = data[2].reduce((tracks, current) => {
          const h5pVideoTrack = new H5P.Video.LabelValue(current.label, current.language);
          tracks.options.push(h5pVideoTrack);
          if (current.mode === 'showing') {
            tracks.current = h5pVideoTrack;
          }
          return tracks;
        }, { current: undefined, options: [] });
        const dimensions = { width: data[3], height: data[4] };

        return {
          duration,
          qualities,
          tracks,
          dimensions
        };
      };

      return Promise.all([
        player.getDuration(),
        player.getQualities(),
        player.getTextTracks(),
        player.getVideoWidth(),
        player.getVideoHeight(),
      ]).then(data => massageVideoMetadata(data));
    }

    try {
      if (document.featurePolicy.allowsFeature('autoplay') === false) {
        self.pressToPlay = true;
      }
    }
    catch (err) {}

    /**
     * Appends the video player to the DOM.
     *
     * @public
     * @param {jQuery} $container
     */
    self.appendTo = ($container) => {
      $container.addClass('h5p-vimeo').append($wrapper);
      createVimeoPlayer();
    };

    /**
     * Get list of available qualities.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = () => {
      return qualities;
    };

    /**
     * Get the current quality.
     *
     * @returns {String} Current quality identifier
     */
    self.getQuality = () => {
      return currentQuality;
    };

    /**
     * Set the playback quality.
     *
     * @public
     * @param {String} quality
     */
    self.setQuality = async (quality) => {
      currentQuality = await player.setQuality(quality);
      self.trigger('qualityChange', currentQuality);
    };

    /**
     * Start the video.
     *
     * @public
     */
    self.play = async () => {
      if (!player) {
        self.on('ready', self.play);
        return;
      }

      try {
        await player.play();
      }
      catch (error) {
        switch (error.name) {
          case 'PasswordError': // The video is password-protected
            self.trigger('error', l10n.vimeoPasswordError);
            break;

          case 'PrivacyError': // The video is private
            self.trigger('error', l10n.vimeoPrivacyError);
            break;

          default:
            self.trigger('error', l10n.unknownError);
            break;
        }
      }
    };

    /**
     * Pause the video.
     *
     * @public
     */
    self.pause = () => {
      if (player) {
        player.pause();
      }
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = async (time) => {
      if (!player) {
        return;
      }

      currentTime = time;
      await player.setCurrentTime(time);
    };

    /**
     * @public
     * @returns {Number} Seconds elapsed since beginning of video
     */
    self.getCurrentTime = () => {
      return currentTime;
    };

    /**
     * @public
     * @returns {Number} Video duration in seconds
     */
    self.getDuration = () => {
      return duration;
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = () => {
      return buffered;
    };

    /**
     * Mute the video.
     *
     * @public
     */
    self.mute = async () => {
      isMuted = await player.setMuted(true);
    };

    /**
     * Unmute the video.
     *
     * @public
     */
    self.unMute = async () => {
      isMuted = await player.setMuted(false);
    };

    /**
     * Whether the video is muted.
     *
     * @public
     * @returns {Boolean} True if the video is muted, false otherwise
     */
    self.isMuted = () => {
      return isMuted;
    };

    /**
     * Whether the video is loaded.
     *
     * @public
     * @returns {Boolean} True if the video is muted, false otherwise
     */
    self.isLoaded = () => {
      return isLoaded;
    };

    /**
     * Get the video player's current sound volume.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = () => {
      return volume;
    };

    /**
     * Set the video player's sound volume.
     *
     * @public
     * @param {Number} level
     */
    self.setVolume = async (level) => {
      volume = await player.setVolume(level);
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} Available playback rates
     */
    self.getPlaybackRates = () => {
      return [0.5, 1, 1.5, 2];
    };

    /**
     * Get the current playback rate.
     *
     * @public
     * @returns {Number} e.g. 0.5, 1, 1.5 or 2
     */
    self.getPlaybackRate = () => {
      return playbackRate;
    };

    /**
     * Set the current playback rate.
     *
     * @public
     * @param {Number} rate Must be one of available rates from getPlaybackRates
     */
    self.setPlaybackRate = async (rate) => {
      playbackRate = await player.setPlaybackRate(rate);
      self.trigger('playbackRateChange', rate);
    };

    /**
     * Set current captions track.
     *
     * @public
     * @param {H5P.Video.LabelValue} track Captions to display
     */
    self.setCaptionsTrack = (track) => {
      if (!track) {
        return player.disableTextTrack().then(() => {
          currentTextTrack = null;
        });
      }

      player.enableTextTrack(track.value).then(() => {
        currentTextTrack = track;
      });
    };

    /**
     * Get current captions track.
     *
     * @public
     * @returns {H5P.Video.LabelValue}
     */
    self.getCaptionsTrack = () => {
      return currentTextTrack;
    };

    self.on('resize', () => {
      if (failedLoading || !$wrapper.is(':visible')) {
        return;
      }

      if (player === undefined) {
        // Player isn't created yet. Try again.
        createVimeoPlayer();
        return;
      }

      // Use as much space as possible
      $wrapper.css({
        width: '100%',
        height: 'auto'
      });

      const width = $wrapper[0].clientWidth;
      const height = options.fit ? $wrapper[0].clientHeight : (width * (ratio));

      // Validate height before setting
      if (height > 0) {
        // Set size
        $wrapper.css({
          width: width + 'px',
          height: height + 'px'
        });
      }
    });
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  VimeoPlayer.canPlay = (sources) => {
    return getId(sources[0].path);
  };

  /**
   * Find id of Vimeo video from given URL.
   *
   * @private
   * @param {String} url
   * @returns {String} Vimeo video ID
   */
  const getId = (url) => {
    // https://stackoverflow.com/a/11660798
    const matches = url.match(/^.*(vimeo\.com\/)((channels\/[A-z]+\/)|(groups\/[A-z]+\/videos\/))?([0-9]+)/);
    if (matches && matches[5]) {
      return matches[5];
    }
  };

  /**
   * Load the Vimeo Player SDK asynchronously.
   *
   * @private
   * @returns {Promise} Vimeo Player SDK object
   */
  const loadVimeoPlayerSDK = async () => {
    if (window.Vimeo) {
      return await Promise.resolve(window.Vimeo);
    }

    return await new Promise((resolve, reject) => {
      const tag = document.createElement('script');
      tag.src = 'https://player.vimeo.com/api/player.js';
      tag.onload = () => resolve(window.Vimeo);
      tag.onerror = reject;
      document.querySelector('script').before(tag);
    });
  };

  return VimeoPlayer;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoVimeo);
;/** @namespace H5P */
H5P.VideoYouTube = (function ($) {

  /**
   * YouTube video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function YouTube(sources, options, l10n) {
    var self = this;

    var player;
    var playbackRate = 1;
    var id = 'h5p-youtube-' + numInstances;
    numInstances++;
    var ratio = 9/16;
    var $wrapper = $('<div/>');
    var $placeholder = $('<div />', {
      text: l10n.loading,
      html: `<div style="position: relative; padding: ${ratio*100}% 0 0 0;"><div id="${id}"></div></div>`
    }).appendTo($wrapper);

    // Optional placeholder
    // var $placeholder = $('<iframe id="' + id + '" type="text/html" width="640" height="360" src="https://www.youtube.com/embed/' + getId(sources[0].path) + '?enablejsapi=1&origin=' + encodeURIComponent(ORIGIN) + '&autoplay=' + (options.autoplay ? 1 : 0) + '&controls=' + (options.controls ? 1 : 0) + '&disabledkb=' + (options.controls ? 0 : 1) + '&fs=0&loop=' + (options.loop ? 1 : 0) + '&rel=0&showinfo=0&iv_load_policy=3" frameborder="0"></iframe>').appendTo($wrapper);

    /**
     * Use the YouTube API to create a new player
     *
     * @private
     */
    var create = function () {
      if (!$placeholder.is(':visible') || player !== undefined) {
        return;
      }

      if (window.YT === undefined) {
        // Load API first
        loadAPI(create);
        return;
      }
      if (YT.Player === undefined) {
        return;
      }

      var width = $wrapper.width();
      if (width < 200) {
        width = 200;
      }

      var loadCaptionsModule = true;

      var videoId = getId(sources[0].path);

      player = new YT.Player(id, {
        width: width,
        height: width * (9/16),
        videoId: videoId,
        playerVars: {
          origin: ORIGIN,
          // Hardcoded autoplay to false to avoid playing videos on init
          autoplay: 0,
          controls: options.controls ? 1 : 0,
          disablekb: options.controls ? 0 : 1,
          fs: 0,
          loop: options.loop ? 1 : 0,
          playlist: options.loop ? videoId : undefined,
          rel: 0,
          showinfo: 0,
          iv_load_policy: 3,
          wmode: "opaque",
          start: Math.floor(options.startAt),
          playsinline: 1
        },
        events: {
          onReady: function () {
            self.trigger('ready');
            self.trigger('loaded');

            if (!options.autoplay) {
              self.toPause = true;
            }
            
            if (options.deactivateSound) {
              self.mute();
            }
          },
          onApiChange: function () {
            if (loadCaptionsModule) {
              loadCaptionsModule = false;

              // Always load captions
              player.loadModule('captions');
            }

            var trackList;
            try {
              // Grab tracklist from player
              trackList = player.getOption('captions', 'tracklist');
            }
            catch (err) {}
            if (trackList && trackList.length) {

              // Format track list into valid track options
              var trackOptions = [];
              for (var i = 0; i < trackList.length; i++) {
                trackOptions.push(new H5P.Video.LabelValue(trackList[i].displayName, trackList[i].languageCode));
              }

              // Captions are ready for loading
              self.trigger('captions', trackOptions);
            }
          },
          onStateChange: function (state) {
            if (state.data > -1 && state.data < 4) {
              if (self.toPause) {
                // if video buffering, was likely paused already - skip
                if (state.data === H5P.Video.BUFFERING) {
                  delete self.toPause;
                }
                else {
                  self.pause();
                }
              }

              // Fix for keeping playback rate in IE11
              if (H5P.Video.IE11_PLAYBACK_RATE_FIX && state.data === H5P.Video.PLAYING && playbackRate !== 1) {
                // YT doesn't know that IE11 changed the rate so it must be reset before it's set to the correct value
                player.setPlaybackRate(1);
                player.setPlaybackRate(playbackRate);
              }
              // End IE11 fix

              self.trigger('stateChange', state.data);
            }
          },
          onPlaybackQualityChange: function (quality) {
            self.trigger('qualityChange', quality.data);
          },
          onPlaybackRateChange: function (playbackRate) {
            self.trigger('playbackRateChange', playbackRate.data);
          },
          onError: function (error) {
            var message;
            switch (error.data) {
              case 2:
                message = l10n.invalidYtId;
                break;

              case 100:
                message = l10n.unknownYtId;
                break;

              case 101:
              case 150:
                message = l10n.restrictedYt;
                break;

              default:
                message = l10n.unknownError + ' ' + error.data;
                break;
            }
            self.trigger('error', message);
          }
        }
      });
      player.g.style = "position:absolute;top:0;left:0;width:100%;height:100%;";
    };

    /**
     * Indicates if the video must be clicked for it to start playing.
     * For instance YouTube videos on iPad must be pressed to start playing.
     *
     * @public
     */
    if (navigator.userAgent.match(/iPad/i)) {
      self.pressToPlay = true;
    }
    else {
      try {
        if (document.featurePolicy.allowsFeature('autoplay') === false) {
          self.pressToPlay = true;
        }
      }
      catch (err) {}
    }

    /**
    * Appends the video player to the DOM.
    *
    * @public
    * @param {jQuery} $container
    */
    self.appendTo = function ($container) {
      $container.addClass('h5p-youtube').append($wrapper);
      create();
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      if (!player || !player.getAvailableQualityLevels) {
        return;
      }

      var qualities = player.getAvailableQualityLevels();
      if (!qualities.length) {
        return; // No qualities
      }

      // Add labels
      for (var i = 0; i < qualities.length; i++) {
        var quality = qualities[i];
        var label = (LABELS[quality] !== undefined ? LABELS[quality] : 'Unknown'); // TODO: l10n
        qualities[i] = {
          name: quality,
          label: LABELS[quality]
        };
      }

      return qualities;
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      if (!player || !player.getPlaybackQuality) {
        return;
      }

      var quality = player.getPlaybackQuality();
      return quality === 'unknown' ? undefined : quality;
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      if (!player || !player.setPlaybackQuality) {
        return;
      }

      player.setPlaybackQuality(quality);
    };

    /**
     * Start the video.
     *
     * @public
     */
    self.play = function () {
      if (!player || !player.playVideo) {
        self.on('ready', self.play);
        return;
      }
      player.playVideo();
    };

    /**
     * Pause the video.
     *
     * @public
     */
    self.pause = function () {
      delete self.toPause;
      self.off('ready', self.play);
      if (!player || !player.pauseVideo) {
        return;
      }
      player.pauseVideo();
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      if (!player || !player.seekTo) {
        return;
      }

      player.seekTo(time, true);
    };

    /**
     * Recreate player with initial time
     *
     * @public
     * @param {Number} time
     */
    self.resetPlayback = function (time) {
      options.startAt = time;

      if (player) {
        if (player.getPlayerState() === H5P.Video.PLAYING) {
          player.pauseVideo();
          self.trigger('stateChange', H5P.Video.PAUSED);
        }
        player.destroy();
        player = undefined;
      }

      create();
    }
    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      if (!player || !player.getCurrentTime) {
        return;
      }

      return player.getCurrentTime();
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      if (!player || !player.getDuration) {
        return;
      }

      return player.getDuration();
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      if (!player || !player.getVideoLoadedFraction) {
        return;
      }

      return player.getVideoLoadedFraction() * 100;
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      if (!player || !player.mute) {
        return;
      }

      player.mute();
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      if (!player || !player.unMute) {
        return;
      }

      player.unMute();
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      if (!player || !player.isMuted) {
        return;
      }

      return player.isMuted();
    };

    /**
     * Check if video is loaded and ready to play.
     *
     * @public
     * @returns {Boolean}
     */
    self.isLoaded = function () {
      if (!player || !player.getPlayerState) {
        return;
      }

      return player.getPlayerState() === 5;
    };

    /**
     * Return the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      if (!player || !player.getVolume) {
        return;
      }

      return player.getVolume();
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} level Between 0 and 100.
     */
    self.setVolume = function (level) {
      if (!player || !player.setVolume) {
        return;
      }

      player.setVolume(level);
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} available playback rates
     */
    self.getPlaybackRates = function () {
      if (!player || !player.getAvailablePlaybackRates) {
        return;
      }

      var playbackRates = player.getAvailablePlaybackRates();
      if (!playbackRates.length) {
        return; // No rates, but the array should contain at least 1
      }

      return playbackRates;
    };

    /**
     * Get current playback rate.
     *
     * @public
     * @returns {Number} such as 0.25, 0.5, 1, 1.25, 1.5 and 2
     */
    self.getPlaybackRate = function () {
      if (!player || !player.getPlaybackRate) {
        return;
      }

      return player.getPlaybackRate();
    };

    /**
     * Set current playback rate.
     * Listen to event "playbackRateChange" to check if successful.
     *
     * @public
     * @params {Number} suggested rate that may be rounded to supported values
     */
    self.setPlaybackRate = function (newPlaybackRate) {
      if (!player || !player.setPlaybackRate) {
        return;
      }

      playbackRate = Number(newPlaybackRate);
      player.setPlaybackRate(playbackRate);
    };

    /**
     * Set current captions track.
     *
     * @param {H5P.Video.LabelValue} Captions track to show during playback
     */
    self.setCaptionsTrack = function (track) {
      player.setOption('captions', 'track', track ? {languageCode: track.value} : {});
    };

    /**
     * Figure out which captions track is currently used.
     *
     * @return {H5P.Video.LabelValue} Captions track
     */
    self.getCaptionsTrack = function () {
      var track = player.getOption('captions', 'track');
      return (track.languageCode ? new H5P.Video.LabelValue(track.displayName, track.languageCode) : null);
    };

    // Respond to resize events by setting the YT player size.
    self.on('resize', function () {
      if (!$wrapper.is(':visible')) {
        return;
      }

      if (!player) {
        // Player isn't created yet. Try again.
        create();
        return;
      }

      // Use as much space as possible
      $wrapper.css({
        width: '100%',
        height: 'auto'
      });

      var width = $wrapper[0].clientWidth;
      var height = options.fit ? $wrapper[0].clientHeight : (width * (9/16));

      // Validate height before setting
      if (height > 0) {
        // Set size
        $wrapper.css({
          width: width + 'px',
          height: height + 'px'
        });

        player.setSize(width, height);
      }
    });
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  YouTube.canPlay = function (sources) {
    return getId(sources[0].path);
  };

  /**
   * Find id of YouTube video from given URL.
   *
   * @private
   * @param {String} url
   * @returns {String} YouTube video identifier
   */

  var getId = function (url) {
    // Has some false positives, but should cover all regular URLs that people can find
    var matches = url.match(/(?:(?:youtube.com\/(?:attribution_link\?(?:\S+))?(?:v\/|embed\/|watch\/|(?:user\/(?:\S+)\/)?watch(?:\S+)v\=))|(?:youtu.be\/|y2u.be\/))([A-Za-z0-9_-]{11})/i);
    if (matches && matches[1]) {
      return matches[1];
    }
  };

  /**
   * Load the IFrame Player API asynchronously.
   */
  var loadAPI = function (loaded) {
    if (window.onYouTubeIframeAPIReady !== undefined) {
      // Someone else is loading, hook in
      var original = window.onYouTubeIframeAPIReady;
      window.onYouTubeIframeAPIReady = function (id) {
        loaded(id);
        original(id);
      };
    }
    else {
      // Load the API our self
      var tag = document.createElement('script');
      tag.src = "https://www.youtube.com/iframe_api";
      var firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
      window.onYouTubeIframeAPIReady = loaded;
    }
  };

  /** @constant {Object} */
  var LABELS = {
    highres: '2160p', // Old API support
    hd2160: '2160p', // (New API)
    hd1440: '1440p',
    hd1080: '1080p',
    hd720: '720p',
    large: '480p',
    medium: '360p',
    small: '240p',
    tiny: '144p',
    auto: 'Auto'
  };

  /** @private */
  var numInstances = 0;

  // Extract the current origin (used for security)
  var ORIGIN = window.location.href.match(/http[s]?:\/\/[^\/]+/);
  ORIGIN = !ORIGIN || ORIGIN[0] === undefined ? undefined : ORIGIN[0];
  // ORIGIN = undefined is needed to support fetching file from device local storage

  return YouTube;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoYouTube);
;/** @namespace H5P */
H5P.VideoPanopto = (function ($) {

  /**
   * Panopto video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function Panopto(sources, options, l10n) {
    var self = this;

    self.volume = 100;
    self.toSeek = undefined;

    var player;
    var playbackRate = 1;
    let canHasAutoplay;
    var id = 'h5p-panopto-' + numInstances;
    numInstances++;
    let isLoaded = false;
    let isPlayerReady = false;

    var $wrapper = $('<div/>');
    var $placeholder = $('<div/>', {
      id: id,
      html: '<div>' + l10n.loading + '</div>'
    }).appendTo($wrapper);

    // Determine autoplay/play.
    try {
      if (document.featurePolicy.allowsFeature('autoplay') !== false) {
        canHasAutoplay = true;
      }
    }
    catch (err) {}

    /**
     * Use the Panopto API to create a new player
     *
     * @private
     */
    var create = function () {
      if (!$placeholder.is(':visible') || player !== undefined) {
        return;
      }

      if (window.EmbedApi === undefined) {
        // Load API first
        loadAPI(create);
        return;
      }

      var width = $wrapper.width();
      if (width < 200) {
        width = 200;
      }

      const videoId = getId(sources[0].path);
      player = new EmbedApi(id, {
        width: width,
        height: width * (9/16),
        serverName: videoId[0],
        sessionId: videoId[1],
        videoParams: { // Optional
          interactivity: 'none',
          showtitle: false,
          autohide: true,
          offerviewer: false,
          autoplay: false,
          showbrand: false,
          start: 0,
          hideoverlay: !options.controls,
        },
        events: {
          onIframeReady: function () {
            isPlayerReady = true;
            $placeholder.children(0).text('');
            if (options.autoplay && canHasAutoplay) {
              player.loadVideo();
              isLoaded = true;
            }

            self.trigger('containerLoaded');
            self.trigger('resize'); // Avoid black iframe if loading is slow
          },
          onReady: function () {
            self.videoLoaded = true;
            self.trigger('loaded');

            if (typeof self.oldTime === 'number') {
              self.seek(self.oldTime);
            }
            else if (typeof self.startAt === 'number' && self.startAt > 0) {
              self.seek(self.startAt);
            }
            if (player.hasCaptions()) {
              const captions = [];

              const captionTracks = player.getCaptionTracks();
              for (trackIndex in captionTracks) {
                captions.push(new H5P.Video.LabelValue(captionTracks[trackIndex], trackIndex));
              }

              // Select active track
              currentTrack = player.getSelectedCaptionTrack();
              currentTrack = captions[currentTrack] ? captions[currentTrack] : null;

              self.trigger('captions', captions);
            }
          },
          onStateChange: function (state) {
            if ([H5P.Video.PLAYING, H5P.Video.PAUSED].includes(state) && typeof self.seekToTime === 'number') {
              player.seekTo(self.seekToTime);
              delete self.seekToTime;
            }
            // since panopto has different load sequence in IV, need additional condition here
            if (self.WAS_RESET) {
              self.WAS_RESET = false;
            }

            // TODO: Playback rate fix for IE11?
            if (state > -1 && state < 4) {
              self.trigger('stateChange', state);
            }
          },
          onPlaybackRateChange: function () {
            self.trigger('playbackRateChange', self.getPlaybackRate());
          },
          onError: function (error) {
            if (error === ApiError.PlayWithSoundNotAllowed) {
              // pause and allow user to handle playing
              self.pause();

              self.unMute(); // because player is automuted on this error
            }
            else {
              self.trigger('error', l10n.unknownError);
            }
          },
          onLoginShown: function () {
            $placeholder.children().first().remove(); // Remove loading message
            self.trigger('loaded'); // Resize parent
          }
        }
      });
    };

    /**
     * Indicates if the video must be clicked for it to start playing.
     * This is always true for Panopto since all videos auto play.
     *
     * @public
     */
    self.pressToPlay = true;

    /**
    * Appends the video player to the DOM.
    *
    * @public
    * @param {jQuery} $container
    */
    self.appendTo = function ($container) {
      $container.addClass('h5p-panopto').append($wrapper);
      create();
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      // Not available for Panopto
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      // Not available for Panopto
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      // Not available for Panopto
    };

    /**
     * Start the video.
     *
     * @public
     */
    self.play = function () {
      if (!player || !player.playVideo || !isPlayerReady) {
        return;
      }
      if (isLoaded || self.videoLoaded) {
        player.playVideo();
      }
      else {
        player.loadVideo(); // Loads and starts playing
        isLoaded = true;
      }
    };

    /**
     * Pause the video.
     *
     * @public
     */
    self.pause = function () {
      if (!player || !player.pauseVideo) {
        return;
      }
      try {
        player.pauseVideo();
      }
      catch (err) {
        // Swallow Panopto throwing an error. This has been seen in the authoring
        // tool if Panopto has been used inside Iv inside CP
      }
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      if (!player || !player.seekTo || !self.videoLoaded) {
        return;
      }
      if (!player.isReady) {
        self.seekToTime = time;
        return;
      }

      player.seekTo(time);

      if (self.WAS_RESET) {
        // need to check just to be sure, since state === 1 is unusable
        delete self.seekToTime;
        self.WAS_RESET = false;
      }
    };

    /**
     * Recreate player with initial time
     *
     * @public
     * @param {Number} time
     */
    self.resetPlayback = function (time) {
      if (player && player.isReady && self.videoLoaded) {
        self.seek(time);
        self.pause();
      }
      else {
        self.seekToTime = time;
      }
    }

    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      if (!player || !player.getCurrentTime) {
        return;
      }

      return player.getCurrentTime();
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      if (!player || !player.getDuration) {
        return;
      }

      return player.getDuration();
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      // Not available for Panopto
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      if (!player || !player.muteVideo) {
        return;
      }

      player.muteVideo();
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      if (!player || !player.unmuteVideo) {
        return;
      }

      player.unmuteVideo();

      // The volume is set to 0 when the browser prevents autoplay,
      // causing there to be no sound despite unmuting
      self.setVolume(self.volume);
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      if (!player || !player.isMuted) {
        return;
      }

      return player.isMuted();
    };

    /**
     * Check video is loaded and ready to play
     *
     * @public
     * @returns {Boolean}
     */
    self.isLoaded = function () {
      return isPlayerReady;
    };

    /**
     * Return the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      if (!player || !player.getVolume) {
        return;
      }

      return player.getVolume() * 100;
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} level Between 0 and 100.
     */
    self.setVolume = function (level) {
      if (!player || !player.setVolume) {
        return;
      }

      player.setVolume(level/100);
      self.volume = level;
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} available playback rates
     */
    self.getPlaybackRates = function () {
      return [0.25, 0.5, 1, 1.25, 1.5, 2];
    };

    /**
     * Get current playback rate.
     *
     * @public
     * @returns {Number} such as 0.25, 0.5, 1, 1.25, 1.5 and 2
     */
    self.getPlaybackRate = function () {
      if (!player || !player.getPlaybackRate) {
        return;
      }

      return player.getPlaybackRate();
    };

    /**
     * Set current playback rate.
     * Listen to event "playbackRateChange" to check if successful.
     *
     * @public
     * @params {Number} suggested rate that may be rounded to supported values
     */
    self.setPlaybackRate = function (newPlaybackRate) {
      if (!player || !player.setPlaybackRate) {
        return;
      }

      player.setPlaybackRate(newPlaybackRate);
    };

    /**
     * Set current captions track.
     *
     * @param {H5P.Video.LabelValue} Captions track to show during playback
     */
    self.setCaptionsTrack = function (track) {
      if (!track) {
        player.disableCaptions();
        currentTrack = null;
      }
      else {
        player.enableCaptions(track.value + '');
        currentTrack = track;
      }
    };

    /**
     * Figure out which captions track is currently used.
     *
     * @return {H5P.Video.LabelValue} Captions track
     */
    self.getCaptionsTrack = function () {
      return currentTrack; // No function for getting active caption track?
    };

    // Respond to resize events by setting the player size.
    self.on('resize', function () {
      if (!$wrapper.is(':visible')) {
        return;
      }

      if (!player) {
        // Player isn't created yet. Try again.
        create();
        return;
      }
      
      $wrapper.removeAttr('font-size');

      let width = $wrapper[0].clientWidth;
      let height = options.fit ? $wrapper[0].clientHeight : (width * (9/16));
      
      const $iframe = $placeholder.children('iframe');
      if ($iframe.length) {
        $iframe.attr('width', width);
        $iframe.attr('height', height);
      }
      
      $wrapper.css({
        'font-size': 0
      });
    });

    let currentTrack;
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  Panopto.canPlay = function (sources) {
    return getId(sources[0].path);
  };

  /**
   * Find id of YouTube video from given URL.
   *
   * @private
   * @param {String} url
   * @returns {String} Panopto video identifier
   */
  var getId = function (url) {
    const matches = url.match(/^[^\/]+:\/\/([^\/]*panopto\.[^\/]+)\/Panopto\/.+\?id=(.+)$/);
    if (matches && matches.length === 3) {
      return [matches[1], matches[2]];
    }
  };

  /**
   * Load the IFrame Player API asynchronously.
   */
  var loadAPI = function (loaded) {
    if (window.onPanoptoEmbedApiReady !== undefined) {
      // Someone else is loading, hook in
      var original = window.onPanoptoEmbedApiReady;
      window.onPanoptoEmbedApiReady = function (id) {
        loaded(id);
        original(id);
      };
    }
    else {
      // Load the API our self
      var tag = document.createElement('script');
      tag.src = 'https://developers.panopto.com/scripts/embedapi.min.js';
      var firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
      window.onPanoptoEmbedApiReady = loaded;
    }
  };

  /** @private */
  var numInstances = 0;

  return Panopto;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoPanopto);
;/** @namespace Echo */
H5P.VideoEchoVideo = (() => {

  let numInstances = 0;

  const CONTROLS_HEIGHT = 100;

  /**
   * EchoVideo video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function EchoPlayer(sources, options, l10n) {
    // State variables for the Player.
    let player = undefined;
    let buffered = 0;
    let currentQuality;
    let trackOptions = [];
    let currentTime = 0;
    let duration = 0;
    let isMuted = false;
    let loadingComplete = false;
    let volume = 1;
    let playbackRate = 1;
    let qualities = [];
    let loadingFailedTimeout;
    let failedLoading = false;
    let ratio = 9 / 16;
    let currentState = H5P.Video.VIDEO_CUED;
    // Echo360 server doesn't sync seek time with regular play time fast enough
    let timelineUpdatesToSkip = 0;
    let timeUpdateTimeout;

    /*
     * Echo360 player does send time updates ~ 0.25 seconds by default and
     * ends playing the video without sending a final time update or an
     * Video Ended event. We take care of determining reaching the video end
     * ourselves.
     */
    const echoMinUncertaintyCompensationS = 0.3;
    const timelineUpdateDeltaSlackMS = 50;
    let echoUncertaintyCompensationS = echoMinUncertaintyCompensationS;
    let previousTickMS;

    // Player specific immutable variables.
    const LOADING_TIMEOUT_IN_SECONDS = 30;
    const id = `h5p-echo-${++numInstances}`;
    const instanceId = H5P.createUUID();
    const wrapperElement = document.createElement('div');

    const placeholderElement = document.createElement('div');
    placeholderElement.classList.add('h5p-video-loading');
    placeholderElement.setAttribute('style', 'height: 100%; min-height: 200px; display: block; z-index: 100; border: none;');
    placeholderElement.setAttribute('aria-label', l10n.loading);

    wrapperElement.setAttribute('id', id);
    wrapperElement.append(placeholderElement);

    /**
     * Remove all elements from the placeholder dom element.
     *
     * @private
     */
    const removeLoadingIndicator = () => {
      placeholderElement.replaceChildren();
    };

    /**
     * Generate an array of objects for use in a dropdown from the list of resolutions.
     * @private
     * @param {Array} qualityLevels - list of objects with supported qualities for the media
     * @returns {Array} list of objects with label and name properties
     */
    const mapQualityLevels = (qualityLevels) => {
      const qualities = qualityLevels.map((quality) => {
        return { label: quality.label.toLowerCase(), name: quality.value };
      });
      return qualities;
    };

    /**
     * Register event listeners on the given Echo player.
     *
     * @private
     * @param {HTMLElement} player
     */
    const registerEchoPlayerEventListeneners = (player) => {
      player.resolveLoading = null;
      player.loadingPromise = new Promise((resolve) => {
        player.resolveLoading = resolve;
      });
      player.onload = async () => {
        clearTimeout(loadingFailedTimeout);
        player.loadingPromise.then(async () => {
          this.trigger('ready');
          this.trigger('loaded');
          this.loadingComplete = true;
          this.trigger('resize');
          if (trackOptions.length) {
            this.trigger('captions', trackOptions);
          }

          const autoplayIsAllowed = !window.H5PEditor &&
            await H5P.Video.isAutoplayAllowed();
          if (options.autoplay && autoplayIsAllowed) {
            this.play();
          }

          return true;
        });
      };
      window.addEventListener('message', (event) => {
        let message = '';

        try {
          message = JSON.parse(event.data);
        }
        catch (e) {
          return;
        }
        if (
          message.context !== 'Echo360' || message.instanceId !== instanceId
        ) {
          return;
        }

        if (message.event === 'init') {
          // Set ratio if width and height is received from Echo360
          if (message.data.width && message.data.height) {
            // If controls are displayed we have to add a magic height to make it visible :(
            ratio = ((message.data.height + (options.controls ? CONTROLS_HEIGHT : 0)) / message.data.width);
          }

          duration = message.data.duration;
          this.setCurrentTime(message.data.currentTime ?? 0);

          textTracks = message.data.textTracks ?? [];
          if (message.data.captions) {
            trackOptions = textTracks.map((track) =>
              new H5P.Video.LabelValue(track.label, track.value)
            );
          }
          player.resolveLoading();

          // Player sends `init` event after rebuffering, unfortunately.
          if (!this.wasInitialized) {
            qualities = mapQualityLevels(message.data.qualityOptions);
            currentQuality = qualities[0].name;
            this.trigger('qualityChange', currentQuality);
          }

          this.trigger('resize');
          if (message.data.playing) {
            changeState(H5P.Video.PLAYING);
          }

          this.wasInitialized = true;
        }
        else if (message.event === 'timeline') {
          updateUncertaintyCompensation();

          duration = message.data.duration ?? this.getDuration();

          if (timelineUpdatesToSkip === 0) {
            this.setCurrentTime(message.data.currentTime ?? 0);
          }
          else {
            timelineUpdatesToSkip--;
          }

          /*
           * Should work, but it was better if the player itself clearly sent
           * the state (playing, paused, ended) instead of us having to infer.
           */
          const compensatedTime = this.getCurrentTime() +
            echoUncertaintyCompensationS * this.getPlaybackRate()

          if (
            currentState === H5P.Video.PLAYING &&
              Math.ceil(compensatedTime) >= duration
          ) {
            changeState(H5P.Video.ENDED);

            if (options.loop) {
              this.seek(0);
              this.play();
            }
            return;
          }

          if (message.data.playing) {
            timeUpdate(currentTime);
            changeState(H5P.Video.PLAYING);
          }
          else if (currentState === H5P.Video.PLAYING) {
            // Condition prevents video to be paused on startup
            changeState(H5P.Video.PAUSED);
            window.clearTimeout(timeUpdateTimeout);
          }
        }
      });
    };

    /**
     * Update the uncertainty compensation value.
     * Computes the delta time between the last two timeline events sent by the
     * Echo360 player and updates the compensation value.
     */
    const updateUncertaintyCompensation = () => {
      if (currentState === H5P.Video.PLAYING) {
        const time = Date.now();

        if (previousTickMS) {
          echoUncertaintyCompensationS = Math.max(
            echoMinUncertaintyCompensationS,
            (time - previousTickMS + timelineUpdateDeltaSlackMS) /
              1000
          )
        } else {
          echoUncertaintyCompensationS = echoMinUncertaintyCompensationS;
        }

        previousTickMS = time;
      }
      else {
        delete previousTickMS;
      }
    }

    /**
     * Change state of the player.
     * @param {number} state State id (H5P.Video[statename]).
     */
    const changeState = (state) => {
      if (state !== currentState) {
        currentState = state;
        this.trigger('stateChange', state);
      }
    };

    /**
     * Determine if the element is visible by computing the styles.
     *
     * @private
     * @param {HTMLElement} node - the element to check.
     * @returns {Boolean} true if it is visible.
     */
    const isNodeVisible = (node) => {
      let style = window.getComputedStyle(node);

      if (node.offsetWidth === 0) {
        return false;
      }

      return ((style.display !== 'none') && (style.visibility !== 'hidden'));
    };

    const timeUpdate = (time) => {
      window.clearTimeout(timeUpdateTimeout);

      this.lastTimeUpdate = Date.now();

      timeUpdateTimeout = window.setTimeout(() => {
        if (currentState !== H5P.Video.PLAYING) {
          return;
        }

        const delta = (Date.now() - this.lastTimeUpdate) * this.getPlaybackRate();
        this.setCurrentTime(currentTime + delta / 1000);
        timeUpdate(currentTime);
      }, 40); // 25 fps
    }

    /**
     * Create a new player by embedding an iframe.
     *
     * @private
     * @returns {Promise}
     */
    const createEchoPlayer = async () => {
      if (!isNodeVisible(placeholderElement) || player !== undefined) {
        return;
      }
      // Since the SDK is loaded asynchronously below, explicitly set player to
      // null (unlike undefined) which indicates that creation has begun. This
      // allows the guard statement above to be hit if this function is called
      // more than once.
      player = null;
      let queryString = '?';

      queryString += `instanceId=${instanceId}&`;

      if (options.controls) {
        queryString += 'controls=true&';
      }
      if (options.disableFullscreen) {
        queryString += 'disableFullscreen=true&';
      }
      if (options.deactivateSound) {
        queryString += 'deactivateSound=true&';
      }
      if (options.startAt) {
        queryString += `startTimeMillis=${Math.round(options.startAt * 1000)}&`;
      }

      wrapperElement.innerHTML = `<iframe src="${sources[0].path}${queryString}" style="display: inline-block; width: 100%; height: 100%;" allow="autoplay; fullscreen" frameborder="0" scrolling="no"></iframe>`;
      player = wrapperElement.firstChild;
      // Create a new player
      registerEchoPlayerEventListeneners(player);
      loadingFailedTimeout = setTimeout(() => {
        failedLoading = true;
        removeLoadingIndicator();
        wrapperElement.innerHTML = `<p class="echo-failed-loading">${l10n.unknownError}</p>`;
        wrapperElement.style.cssText = 'width: null; height: null;';
        this.trigger('resize');
        this.trigger('error', l10n.unknownError);
      }, LOADING_TIMEOUT_IN_SECONDS * 1000);
    };

    /**
     * Appends the video player to the DOM.
     *
     * @public
     * @param {jQuery} $container
     */
    this.appendTo = ($container) => {
      $container.addClass('h5p-echo').append(wrapperElement);
      createEchoPlayer();
    };

    /**
     * Determine if the video has loaded.
     *
     * @public
     * @returns {Boolean}
     */
    this.isLoaded = () => {
      return loadingComplete;
    };

    /**
     * Get list of available qualities.
     *
     * @public
     * @returns {Array}
     */
    this.getQualities = () => {
      return qualities;
    };

    /**
     * Get the current quality.
     *
     * @public
     * @returns {String} Current quality identifier
     */
    this.getQuality = () => {
      return currentQuality;
    };

    /**
     * Set the playback quality.
     *
     * @public
     * @param {String} quality
     */
    this.setQuality = async (quality) => {
      this.post('quality', quality);
      currentQuality = quality;
      this.trigger('qualityChange', currentQuality);
    };

    /**
     * Start the video.
     *
     * @public
     */
    this.play = () => {
      if (!player) {
        this.on('ready', this.play);
        return;
      }
      this.post('play', 0);
    };

    /**
     * Pause the video.
     *
     * @public
     */
    this.pause = () => {
      // Compensate for Echo360's delayed time updates
      timelineUpdatesToSkip = 1;
      this.post('pause', 0);
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    this.seek = (time) => {
      this.post('seek', time);
      this.setCurrentTime(time);
      // Compensate for Echo360's delayed time updates
      timelineUpdatesToSkip = 1;
    };

    /**
     * Post a window message to the iframe.
     *
     * @public
     * @param event
     * @param data
     */
    this.post = (event, data) => {
      player?.contentWindow?.postMessage(
        JSON.stringify({
          event: event,
          context: 'Echo360',
          instanceId: instanceId,
          data: data
        }),
        '*'
      );
    };

    /**
     * Return the current play position.
     *
     * @public
     * @returns {Number} Seconds elapsed since beginning of video
     */
    this.getCurrentTime = () => {
      return currentTime;
    };

    /**
     * Set current time.
     * @param {number} timeS Time in seconds.
     */
    this.setCurrentTime = (timeS) => {
      currentTime = timeS;
    }

    /**
     * Return the video duration.
     *
     * @public
     * @returns {?Number} Video duration in seconds
     */
    this.getDuration = () => {
      if (duration > 0) {
        return duration;
      }
      return null;
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    this.getBuffered = () => {
      return buffered;
    };

    /**
     * Mute the video.
     *
     * @public
     */
    this.mute = () => {
      this.post('mute', 0);
      isMuted = true;
    };

    /**
     * Unmute the video.
     *
     * @public
     */
    this.unMute = () => {
      this.post('unmute', 0);
      isMuted = false;
    };

    /**
     * Whether the video is muted.
     *
     * @public
     * @returns {Boolean} True if the video is muted, false otherwise
     */
    this.isMuted = () => {
      return isMuted;
    };

    /**
     * Get the video player's current sound volume.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    this.getVolume = () => {
      return volume;
    };

    /**
     * Set the video player's sound volume.
     *
     * @public
     * @param {Number} level
     */
    this.setVolume = (level) => {
      this.post('volume', level);
      volume = level;
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} Available playback rates
     */
    this.getPlaybackRates = () => {
      return [0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2];
    };

    /**
     * Get the current playback rate.
     *
     * @public
     * @returns {Number} e.g. 0.5, 1, 1.5 or 2
     */
    this.getPlaybackRate = () => {
      return playbackRate;
    };

    /**
     * Set the current playback rate.
     *
     * @public
     * @param {Number} rate Must be one of available rates from getPlaybackRates
     */
    this.setPlaybackRate = async (rate) => {
      const echoRate = parseFloat(rate);
      this.post('playbackrate', echoRate);
      playbackRate = rate;
      this.trigger('playbackRateChange', rate);
    };

    /**
     * Set current captions track.
     *
     * @public
     * @param {H5P.Video.LabelValue} track Captions to display
     */
    this.setCaptionsTrack = (track) => {
      const echoCaption = trackOptions.find(
        (trackItem) => track?.value === trackItem.value
      );

      trackOptions.forEach(trackItem => {
        trackItem.mode = (trackItem === echoCaption) ? 'showing' : 'disabled';
      });

      this.post('captions', echoCaption ? echoCaption.value : 'off');
    };

    /**
     * Get current captions track.
     *
     * @public
     * @returns {H5P.Video.LabelValue|null} Current captions track.
     */
    this.getCaptionsTrack = () => {
      return trackOptions.find(
        (trackItem) => trackItem.mode === 'showing'
      ) ?? null;
    };

    this.on('resize', () => {
      if (failedLoading || !isNodeVisible(wrapperElement)) {
        return;
      }
      if (player === undefined) {
        // Player isn't created yet. Try again.
        createEchoPlayer();
        return;
      }
      // Use as much space as possible
      wrapperElement.style.cssText = 'width: 100%; height: 100%;';
      const width = wrapperElement.clientWidth;
      const height = options.fit ? wrapperElement.clientHeight : (width * (ratio));
      // Validate height before setting
      if (height > 0) {
        // Set size
        wrapperElement.style.cssText = 'width: ' + width + 'px; height: ' + height + 'px;';
      }
    });
  }

  /**
   * Find id of video from given URL.
   *
   * @private
   * @param {String} url
   * @returns {String} Echo video identifier
   */
  const getId = (url) => {
    const matches = url.match(/^[^/]+:\/\/(echo360[^/]+)\/media\/([^/]+)\/h5p.*$/i);
    if (matches && matches.length === 3) {
      return [matches[2], matches[2]];
    }
  };

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  EchoPlayer.canPlay = (sources) => {
    return getId(sources[0].path);
  };
  return EchoPlayer;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoEchoVideo);
;/** @namespace H5P */
H5P.VideoHtml5 = (function ($) {

  /**
   * HTML5 video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function Html5(sources, options, l10n) {
    var self = this;

    /**
     * Small helper to ensure all video sources get the same cache buster.
     *
     * @private
     * @param {Object} source
     * @return {string}
     */
    const getCrossOriginPath = function (source) {
      let path = H5P.getPath(source.path, self.contentId);
      if (video.crossOrigin !== null && H5P.addQueryParameter && H5PIntegration.crossoriginCacheBuster) {
        path = H5P.addQueryParameter(path, H5PIntegration.crossoriginCacheBuster);
      }
      return path
    };


    /**
     * Register track to video
     *
     * @param {Object} trackData Track object
     * @param {string} trackData.kind Kind of track
     * @param {Object} trackData.track Source path
     * @param {string} [trackData.label] Label of track
     * @param {string} [trackData.srcLang] Language code
     */
    const addTrack = function (trackData) {
      // Skip invalid tracks
      if (!trackData.kind || !trackData.track.path) {
        return;
      }

      var track = document.createElement('track');
      track.kind = trackData.kind;
      track.src = getCrossOriginPath(trackData.track); // Uses same crossOrigin as parent. You cannot mix.
      if (trackData.label) {
        track.label = trackData.label;
      }

      if (trackData.srcLang) {
        track.srcLang = trackData.srcLang;
      }

      return track;
    };

    /**
     * Small helper to set the inital video source.
     * Useful if some of the loading happens asynchronously.
     * NOTE: Setting the crossOrigin must happen before any of the
     * sources(poster, tracks etc.) are loaded
     *
     * @private
     */
    const setInitialSource = function () {
      if (qualities[currentQuality] === undefined) {
        return;
      }

      if (H5P.setSource !== undefined) {
        H5P.setSource(video, qualities[currentQuality].source, self.contentId)
      }
      else {
        // Backwards compatibility (H5P < v1.22)
        const srcPath = H5P.getPath(qualities[currentQuality].source.path, self.contentId);
        if (H5P.getCrossOrigin !== undefined) {
          var crossOrigin = H5P.getCrossOrigin(srcPath);
          video.setAttribute('crossorigin', crossOrigin !== null ? crossOrigin : 'anonymous');
        }
        video.src = srcPath;
      }

      // Add poster if provided
      if (options.poster) {
        video.poster = getCrossOriginPath(options.poster); // Uses same crossOrigin as parent. You cannot mix.
      }

      // Register tracks
      options.tracks.forEach(function (track, i) {
        var trackElement = addTrack(track);
        if (i === 0) {
          trackElement.default = true;
        }
        if (trackElement) {
          video.appendChild(trackElement);
        }
      });
    };

    /**
     * Displayed when the video is buffering
     * @private
     */
    var $throbber = $('<div/>', {
      'class': 'h5p-video-loading'
    });

    /**
     * Used to display error messages
     * @private
     */
    var $error = $('<div/>', {
      'class': 'h5p-video-error'
    });

    /**
     * Keep track of current state when changing quality.
     * @private
     */
    var stateBeforeChangingQuality;
    var currentTimeBeforeChangingQuality;

    /**
     * Avoids firing the same event twice.
     * @private
     */
    var lastState;

    /**
     * Keeps track whether or not the video has been loaded.
     * @private
     */
    var isLoaded = false;

    /**
     *
     * @private
     */
    var playbackRate = 1;
    var skipRateChange = false;

    // Create player
    var video = document.createElement('video');

    // Sort sources into qualities
    var qualities = getQualities(sources, video);
    var currentQuality;

    numQualities = 0;
    for (let quality in qualities) {
      numQualities++;
    }

    if (numQualities > 1 && H5P.VideoHtml5.getExternalQuality !== undefined) {
      H5P.VideoHtml5.getExternalQuality(sources, function (chosenQuality) {
        if (qualities[chosenQuality] !== undefined) {
          currentQuality = chosenQuality;
        }
        setInitialSource();
      });
    }
    else {
      // Select quality and source
      currentQuality = getPreferredQuality();
      if (currentQuality === undefined || qualities[currentQuality] === undefined) {
        // No preferred quality, pick the first.
        for (currentQuality in qualities) {
          if (qualities.hasOwnProperty(currentQuality)) {
            break;
          }
        }
      }
      setInitialSource();
    }

    // Setting webkit-playsinline, which makes iOS 10 beeing able to play video
    // inside browser.
    video.setAttribute('webkit-playsinline', '');
    video.setAttribute('playsinline', '');
    video.setAttribute('preload', 'metadata');

    // Remove buttons in Chrome's video player:
    let controlsList = 'nodownload';
    if (options.disableFullscreen) {
      controlsList += ' nofullscreen';
    }
    if (options.disableRemotePlayback) {
      controlsList += ' noremoteplayback';
    }
    video.setAttribute('controlsList', controlsList);

    // Remove picture in picture as it interfers with other video players
    video.disablePictureInPicture = true;

    // Set options
    video.disableRemotePlayback = (options.disableRemotePlayback ? true : false);
    video.controls = (options.controls ? true : false);
    // Hardcoded autoplay to false to avoid playing videos on init
    video.autoplay = false;
    video.loop = (options.loop ? true : false);
    video.className = 'h5p-video';
    video.style.display = 'block';

    if (options.fit) {
      // Style is used since attributes with relative sizes aren't supported by IE9.
      video.style.width = '100%';
      video.style.height = '100%';
    }

    /**
     * Helps registering events.
     *
     * @private
     * @param {String} native Event name
     * @param {String} h5p Event name
     * @param {String} [arg] Optional argument
     */
    var mapEvent = function (native, h5p, arg) {
      video.addEventListener(native, function () {
        switch (h5p) {
          case 'loaded':
            isLoaded = true;

            if (stateBeforeChangingQuality !== undefined) {
              return; // Avoid loaded event when changing quality.
            }

            // Remove any errors
            if ($error.is(':visible')) {
              $error.remove();
            }

            if (OLD_ANDROID_FIX) {
              var andLoaded = function () {
                video.removeEventListener('durationchange', andLoaded, false);
                // On Android seeking isn't ready until after play.
                self.trigger(h5p);
              };
              video.addEventListener('durationchange', andLoaded, false);
              return;
            }

            if (video.poster) {
              $(video).one('play', function () {
                self.seek(self.getCurrentTime() || options.startAt);
              });
            }
            else {
              self.seek(options.startAt);
            }

            break;

          case 'error':
            // Handle error and get message.
            arg = error(arguments[0], arguments[1]);
            break;

          case 'playbackRateChange':

            // Fix for keeping playback rate in IE11
            if (skipRateChange) {
              skipRateChange = false;
              return; // Avoid firing event when changing back
            }
            if (H5P.Video.IE11_PLAYBACK_RATE_FIX && playbackRate != video.playbackRate) { // Intentional
              // Prevent change in playback rate not triggered by the user
              video.playbackRate = playbackRate;
              skipRateChange = true;
              return;
            }
            // End IE11 fix

            arg = self.getPlaybackRate();
            break;
        }
        self.trigger(h5p, arg);
      }, false);
    };

    /**
     * Handle errors from the video player.
     *
     * @private
     * @param {Object} code Error
     * @param {String} [message]
     * @returns {String} Human readable error message.
     */
    var error = function (code, message) {
      if (code instanceof Event) {

        // No error code
        if (!code.target.error) {
          return '';
        }

        switch (code.target.error.code) {
          case MediaError.MEDIA_ERR_ABORTED:
            message = l10n.aborted;
            break;
          case MediaError.MEDIA_ERR_NETWORK:
            message = l10n.networkFailure;
            break;
          case MediaError.MEDIA_ERR_DECODE:
            message = l10n.cannotDecode;
            break;
          case MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED:
            message = l10n.formatNotSupported;
            break;
          case MediaError.MEDIA_ERR_ENCRYPTED:
            message = l10n.mediaEncrypted;
            break;
        }
      }
      if (!message) {
        message = l10n.unknownError;
      }

      // Hide throbber
      $throbber.remove();

      // Display error message to user
      $error.text(message).insertAfter(video);

      // Pass message to our error event
      return message;
    };

    /**
     * Appends the video player to the DOM.
     *
     * @public
     * @param {jQuery} $container
     */
    self.appendTo = function ($container) {
      $container.append(video);
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      // Create reverse list
      var options = [];
      for (var q in qualities) {
        if (qualities.hasOwnProperty(q)) {
          options.splice(0, 0, {
            name: q,
            label: qualities[q].label
          });
        }
      }

      if (options.length < 2) {
        // Do not return if only one quality.
        return;
      }

      return options;
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      return currentQuality;
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      if (qualities[quality] === undefined || quality === currentQuality) {
        return; // Invalid quality
      }

      // Keep track of last choice
      setPreferredQuality(quality);

      // Avoid multiple loaded events if changing quality multiple times.
      if (!stateBeforeChangingQuality) {
        // Keep track of last state
        stateBeforeChangingQuality = lastState;

        // Keep track of current time
        currentTimeBeforeChangingQuality = video.currentTime;

        // Seek and start video again after loading.
        var loaded = function () {
          video.removeEventListener('loadedmetadata', loaded, false);
          if (OLD_ANDROID_FIX) {
            var andLoaded = function () {
              video.removeEventListener('durationchange', andLoaded, false);
              // On Android seeking isn't ready until after play.
              self.seek(currentTimeBeforeChangingQuality);
            };
            video.addEventListener('durationchange', andLoaded, false);
          }
          else {
            // Seek to current time.
            self.seek(currentTimeBeforeChangingQuality);
          }

          // Always play to get image.
          video.play();

          if (stateBeforeChangingQuality !== H5P.Video.PLAYING) {
            // Do not resume playing
            video.pause();
          }

          // Done changing quality
          stateBeforeChangingQuality = undefined;

          // Remove any errors
          if ($error.is(':visible')) {
            $error.remove();
          }
        };
        video.addEventListener('loadedmetadata', loaded, false);
      }

      // Keep track of current quality
      currentQuality = quality;
      self.trigger('qualityChange', currentQuality);

      // Display throbber
      self.trigger('stateChange', H5P.Video.BUFFERING);

      // Change source
      video.src = getCrossOriginPath(qualities[quality].source); // (iPad does not support #t=).
      // Note: Optional tracks use same crossOrigin as the original. You cannot mix.

      // Remove poster so it will not show during quality change
      video.removeAttribute('poster');
    };

    /**
     * Starts the video.
     *
     * @public
     * @return {Promise|undefined} May return a Promise that resolves when
     * play has been processed.
     */
    self.play = function () {
      if ($error.is(':visible')) {
        return;
      }

      if (!isLoaded) {
        // Make sure video is loaded before playing
        video.load();

        video.addEventListener('loadeddata', function() {
          video.play();
        }, false);
      }
      else {
        return video.play();
      }
    };

    /**
     * Pauses the video.
     *
     * @public
     */
    self.pause = function () {
      video.pause();
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      video.currentTime = time;
      // Use canplaythrough for IOs devices
      // Use loadedmetadata for all other devices.
      const eventName = navigator.userAgent.match(/iPad|iPod|iPhone/i) ? "canplaythrough" : "loadedmetadata";
      function seekTo() {
        video.currentTime = time;
        video.removeEventListener(eventName, seekTo);
      };

      if (video.readyState === 4) {
        seekTo();
      }
      else {
        video.addEventListener(eventName, seekTo);
      }
    };

    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      return video.currentTime;
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      if (isNaN(video.duration)) {
        return;
      }

      return video.duration;
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      // Find buffer currently playing from
      var buffered = 0;
      for (var i = 0; i < video.buffered.length; i++) {
        var from = video.buffered.start(i);
        var to = video.buffered.end(i);

        if (video.currentTime > from && video.currentTime < to) {
          buffered = to;
          break;
        }
      }

      // To percentage
      return buffered ? (buffered / video.duration) * 100 : 0;
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      video.muted = true;
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      video.muted = false;
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      return video.muted;
    };

    /**
     * Returns the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      return video.volume * 100;
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} level Between 0 and 100.
     */
    self.setVolume = function (level) {
      video.volume = level / 100;
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} available playback rates
     */
    self.getPlaybackRates = function () {
      /*
       * not sure if there's a common rule about determining good speeds
       * using Google's standard options via a constant for setting
       */
      var playbackRates = PLAYBACK_RATES;

      return playbackRates;
    };

    /**
     * Get current playback rate.
     *
     * @public
     * @returns {Number} such as 0.25, 0.5, 1, 1.25, 1.5 and 2
     */
    self.getPlaybackRate = function () {
      return video.playbackRate;
    };

    /**
     * Set current playback rate.
     * Listen to event "playbackRateChange" to check if successful.
     *
     * @public
     * @params {Number} suggested rate that may be rounded to supported values
     */
    self.setPlaybackRate = function (newPlaybackRate) {
      playbackRate = newPlaybackRate;
      video.playbackRate = newPlaybackRate;
    };

    /**
     * Set current captions track.
     *
     * @param {H5P.Video.LabelValue} Captions track to show during playback
     */
    self.setCaptionsTrack = function (track) {
      for (var i = 0; i < video.textTracks.length; i++) {
        video.textTracks[i].mode = (track && track.value === i ? 'showing' : 'disabled');
      }
    };

    /**
     * Figure out which captions track is currently used.
     *
     * @return {H5P.Video.LabelValue} Captions track
     */
    self.getCaptionsTrack = function () {
      for (var i = 0; i < video.textTracks.length; i++) {
        if (video.textTracks[i].mode === 'showing') {
          return new H5P.Video.LabelValue(video.textTracks[i].label, i);
        }
      }

      return null;
    };

    // Register event listeners
    mapEvent('ended', 'stateChange', H5P.Video.ENDED);
    mapEvent('playing', 'stateChange', H5P.Video.PLAYING);
    mapEvent('pause', 'stateChange', H5P.Video.PAUSED);
    mapEvent('waiting', 'stateChange', H5P.Video.BUFFERING);
    mapEvent('loadedmetadata', 'loaded');
    mapEvent('canplay', 'canplay');
    mapEvent('error', 'error');
    mapEvent('ratechange', 'playbackRateChange');

    if (!video.controls) {
      // Disable context menu(right click) to prevent controls.
      video.addEventListener('contextmenu', function (event) {
        event.preventDefault();
      }, false);
    }

    // Display throbber when buffering/loading video.
    self.on('stateChange', function (event) {
      var state = event.data;
      lastState = state;
      if (state === H5P.Video.BUFFERING) {
        $throbber.insertAfter(video);
      }
      else {
        $throbber.remove();
      }
    });

    // Load captions after the video is loaded
    self.on('loaded', function () {
      nextTick(function () {
        var textTracks = [];
        for (var i = 0; i < video.textTracks.length; i++) {
          textTracks.push(new H5P.Video.LabelValue(video.textTracks[i].label, i));
        }
        if (textTracks.length) {
          self.trigger('captions', textTracks);
        }
      });
    });

    // Alternative to 'canplay' event
    /*self.on('resize', function () {
      if (video.offsetParent === null) {
        return;
      }

      video.style.width = '100%';
      video.style.height = '100%';

      var width = video.clientWidth;
      var height = options.fit ? video.clientHeight : (width * (video.videoHeight / video.videoWidth));

      video.style.width = width + 'px';
      video.style.height = height + 'px';
    });*/

    // Video controls are ready
    nextTick(function () {
      self.trigger('ready');
    });

    /**
     * Check video is loaded and ready play.
     *
     * @public
     * @param {Boolean}
     */
    self.isLoaded = function () {
      return isLoaded;
    };
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  Html5.canPlay = function (sources) {
    var video = document.createElement('video');
    if (video.canPlayType === undefined) {
      return false; // Not supported
    }

    // Cycle through sources
    for (var i = 0; i < sources.length; i++) {
      var type = getType(sources[i]);
      if (type && video.canPlayType(type) !== '') {
        // We should be able to play this
        return true;
      }
    }

    return false;
  };

  /**
   * Find source type.
   *
   * @private
   * @param {Object} source
   * @returns {String}
   */
  var getType = function (source) {
    var type = source.mime;
    if (!type) {
      // Try to get type from URL
      var matches = source.path.match(/\.(\w+)$/);
      if (matches && matches[1]) {
        type = 'video/' + matches[1];
      }
    }

    if (type && source.codecs) {
      // Add codecs
      type += '; codecs="' + source.codecs + '"';
    }

    return type;
  };

  /**
   * Sort sources into qualities.
   *
   * @private
   * @static
   * @param {Array} sources
   * @param {Object} video
   * @returns {Object} Quality mapping
   */
  var getQualities = function (sources, video) {
    var qualities = {};
    var qualityIndex = 1;
    var lastQuality;

    // Cycle through sources
    for (var i = 0; i < sources.length; i++) {
      var source = sources[i];

      // Find and update type.
      var type = source.type = getType(source);

      // Check if we support this type
      var isPlayable = type && (type === 'video/unknown' || video.canPlayType(type) !== '');
      if (!isPlayable) {
        continue; // We cannot play this source
      }

      if (source.quality === undefined) {
        /**
         * No quality metadata. Create a quality tag to separate multiple sources of the same type,
         * e.g. if two mp4 files with different quality has been uploaded
         */

        if (lastQuality === undefined || qualities[lastQuality].source.type === type) {
          // Create a new quality tag
          source.quality = {
            name: 'q' + qualityIndex,
            label: (source.metadata && source.metadata.qualityName) ? source.metadata.qualityName : 'Quality ' + qualityIndex // TODO: l10n
          };
          qualityIndex++;
        }
        else {
          /**
           * Assumes quality already exists in a different format.
           * Uses existing label for this quality.
           */
          source.quality = qualities[lastQuality].source.quality;
        }
      }

      // Log last quality
      lastQuality = source.quality.name;

      // Look to see if quality exists
      var quality = qualities[lastQuality];
      if (quality) {
        // We have a source with this quality. Check if we have a better format.
        if (source.mime.split('/')[1] === PREFERRED_FORMAT) {
          quality.source = source;
        }
      }
      else {
        // Add new source with quality.
        qualities[source.quality.name] = {
          label: source.quality.label,
          source: source
        };
      }
    }

    return qualities;
  };

  /**
   * Set preferred video quality.
   *
   * @private
   * @static
   * @param {String} quality Index of preferred quality
   */
  var setPreferredQuality = function (quality) {
    try {
      localStorage.setItem('h5pVideoQuality', quality);
    }
    catch (err) {
      console.warn('Unable to set preferred video quality, localStorage is not available.');
    }
  };

  /**
   * Get preferred video quality.
   *
   * @private
   * @static
   * @returns {String} Index of preferred quality
   */
  var getPreferredQuality = function () {
    // First check localStorage
    let quality;
    try {
      quality = localStorage.getItem('h5pVideoQuality');
    }
    catch (err) {
      console.warn('Unable to retrieve preferred video quality from localStorage.');
    }
    if (!quality) {
      try {
        // The fallback to old cookie solution
        var settings = document.cookie.split(';');
        for (var i = 0; i < settings.length; i++) {
          var setting = settings[i].split('=');
          if (setting[0] === 'H5PVideoQuality') {
            quality = setting[1];
            break;
          }
        }
      }
      catch (err) {
        console.warn('Unable to retrieve preferred video quality from cookie.');
      }
    }
    return quality;
  };

  /**
   * Helps schedule a task for the next tick.
   * @param {function} task
   */
  var nextTick = function (task) {
    setTimeout(task, 0);
  };

  /** @constant {Boolean} */
  var OLD_ANDROID_FIX = false;

  /** @constant {Boolean} */
  var PREFERRED_FORMAT = 'mp4';

  /** @constant {Object} */
  var PLAYBACK_RATES = [0.25, 0.5, 1, 1.25, 1.5, 2];

  if (navigator.userAgent.indexOf('Android') !== -1) {
    // We have Android, check version.
    var version = navigator.userAgent.match(/AppleWebKit\/(\d+\.?\d*)/);
    if (version && version[1] && Number(version[1]) <= 534.30) {
      // Include fix for devices running the native Android browser.
      // (We don't know when video was fixed, so the number is just the lastest
      // native android browser we found.)
      OLD_ANDROID_FIX = true;
    }
  }
  else {
    if (navigator.userAgent.indexOf('Chrome') !== -1) {
      // If we're using chrome on a device that isn't Android, prefer the webm
      // format. This is because Chrome has trouble with some mp4 codecs.
      PREFERRED_FORMAT = 'webm';
    }
  }

  return Html5;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoHtml5);
;/** @namespace H5P */
H5P.Video = (function ($, ContentCopyrights, MediaCopyright, handlers) {

  /**
   * The ultimate H5P video player!
   *
   * @class
   * @param {Object} parameters Options for this library.
   * @param {Object} parameters.visuals Visual options
   * @param {Object} parameters.playback Playback options
   * @param {Object} parameters.a11y Accessibility options
   * @param {Boolean} [parameters.startAt] Start time of video
   * @param {Number} id Content identifier
   * @param {Object} [extras] Extra parameters.
   */
  function Video(parameters, id, extras = {}) {
    var self = this;
    self.oldTime = extras.previousState?.time;
    self.contentId = id;
    self.WAS_RESET = false;
    self.startAt = parameters.startAt || 0;

    // Ref youtube.js - ipad & youtube - issue
    self.pressToPlay = false;

    // Reference to the handler
    var handlerName = '';

    // Initialize event inheritance
    H5P.EventDispatcher.call(self);

    // Default language localization
    parameters = $.extend(true, parameters, {
      l10n: {
        name: 'Video',
        loading: 'Video player loading...',
        noPlayers: 'Found no video players that supports the given video format.',
        noSources: 'Video source is missing.',
        aborted: 'Media playback has been aborted.',
        networkFailure: 'Network failure.',
        cannotDecode: 'Unable to decode media.',
        formatNotSupported: 'Video format not supported.',
        mediaEncrypted: 'Media encrypted.',
        unknownError: 'Unknown error.',
        vimeoPasswordError: 'Password-protected Vimeo videos are not supported.',
        vimeoPrivacyError: 'The Vimeo video cannot be used due to its privacy settings.',
        vimeoLoadingError: 'The Vimeo video could not be loaded.',
        invalidYtId: 'Invalid YouTube ID.',
        unknownYtId: 'Unable to find video with the given YouTube ID.',
        restrictedYt: 'The owner of this video does not allow it to be embedded.'
      }
    });

    parameters.a11y = parameters.a11y || [];
    parameters.playback = parameters.playback || {};
    parameters.visuals = $.extend(
      true, { disableFullscreen: false }, parameters.visuals
    );

    /** @private */
    var sources = [];
    if (parameters.sources) {
      for (var i = 0; i < parameters.sources.length; i++) {
        // Clone to avoid changing of parameters.
        var source = $.extend(true, {}, parameters.sources[i]);

        // Create working URL without html entities.
        source.path = $cleaner.html(source.path).text();
        sources.push(source);
      }
    }

    /** @private */
    var tracks = [];
    parameters.a11y.forEach(function (track) {
      // Clone to avoid changing of parameters.
      var clone = $.extend(true, {}, track);

      // Create working URL without html entities
      if (clone.track && clone.track.path) {
        clone.track.path = $cleaner.html(clone.track.path).text();
        tracks.push(clone);
      }
    });

    /**
     * Handle autoplay. If autoplay is disabled, it will still autopause when
     * video is not visible.
     *
     * @param {*} $container
     */
    const handleAutoPlayPause = function ($container) {
      // Keep the current state
      let state;
      self.on('stateChange', function(event) {
        state = event.data;
      });

      // Keep record of autopauses.
      // I.e: we don't wanna autoplay if the user has excplicitly paused.
      self.autoPaused = !self.pressToPlay;

      new IntersectionObserver(function (entries) {
        const entry = entries[0];

        // This video element became visible
        if (entry.isIntersecting) {
          // Autoplay if autoplay is enabled and it was not explicitly
          // paused by a user
          if (parameters.playback.autoplay && self.autoPaused) {
            self.autoPaused = false;
            self.play();
          }
        }
        else if (state !== Video.PAUSED && state !== Video.ENDED) {
          self.autoPaused = true;
          self.pause();
        }
      }, {
        root: null,
        threshold: [0, 1] // Get events when it is shown and hidden
      }).observe($container.get(0));
    };

    /**
     * Attaches the video handler to the given container.
     * Inserts text if no handler is found.
     *
     * @public
     * @param {jQuery} $container
     */
    self.attach = function ($container) {
      $container.addClass('h5p-video').html('');

      if (self.appendTo !== undefined) {
        self.appendTo($container);

        // Avoid autoplaying in authoring tool
        if (window.H5PEditor === undefined) {
          handleAutoPlayPause($container);
        }
      }
      else if (sources.length) {
        $container.text(parameters.l10n.noPlayers);
      }
      else {
        $container.text(parameters.l10n.noSources);
      }
    };

    /**
     * Get name of the video handler
     *
     * @public
     * @returns {string}
     */
    self.getHandlerName = function() {
      return handlerName;
    };

    /**
    * @public
    * Get current state for resume support.
    *
    * @returns {object} Current state.
    */
    self.getCurrentState = function () {
      if (self.getCurrentTime) {
        return {
          time: self.getCurrentTime() || self.oldTime,
        };
      }
    };

    /**
     * The two functions below needs to be defined in this base class,
     * since it is used in this class even if no handler was found.
     */
    self.seek = () => {};
    self.pause = () => {};

    /**
    * @public
    * Reset current state (time).
    *
    */
    self.resetTask = function () {
      delete self.oldTime;
      self.resetPlayback(parameters.startAt || 0);
    };

    /**
     * Default implementation of resetPlayback. May be overridden by sub classes.
     *
     * @param {*} startAt
     */
    self.resetPlayback = startAt => {
      self.seek(startAt);
      self.pause();
      self.WAS_RESET = true;
    };

    // Resize the video when we know its aspect ratio
    self.on('loaded', function () {
      self.trigger('resize');

      // reset time if wasn't done immediately
      if (self.WAS_RESET) {
        self.seek(parameters.startAt || 0);
        if (!parameters.playback.autoplay) {
          self.pause();
        }
        self.WAS_RESET = false;
      }

    });

    // Find player for video sources
    if (sources.length) {
      const options = {
        controls: parameters.visuals.controls,
        autoplay: parameters.playback.autoplay,
        loop: parameters.playback.loop,
        fit: parameters.visuals.fit,
        poster: parameters.visuals.poster === undefined ? undefined : parameters.visuals.poster,
        tracks: tracks,
        disableRemotePlayback: parameters.visuals.disableRemotePlayback === true,
        disableFullscreen: parameters.visuals.disableFullscreen === true,
        deactivateSound: parameters.playback.deactivateSound,
      }
      if (!self.WAS_RESET) {
        options.startAt = self.oldTime !== undefined ? self.oldTime : (parameters.startAt || 0);
      }

      var html5Handler;
      for (var i = 0; i < handlers.length; i++) {
        var handler = handlers[i];
        if (handler.canPlay !== undefined && handler.canPlay(sources)) {
          handler.call(self, sources, options, parameters.l10n);
          handlerName = handler.name;
          return;
        }

        if (handler === H5P.VideoHtml5) {
          html5Handler = handler;
          handlerName = handler.name;
        }
      }

      // Fallback to trying HTML5 player
      if (html5Handler) {
        html5Handler.call(self, sources, options, parameters.l10n);
      }
    }
  }

  // Extends the event dispatcher
  Video.prototype = Object.create(H5P.EventDispatcher.prototype);
  Video.prototype.constructor = Video;

  // Player states
  /** @constant {Number} */
  Video.ENDED = 0;
  /** @constant {Number} */
  Video.PLAYING = 1;
  /** @constant {Number} */
  Video.PAUSED = 2;
  /** @constant {Number} */
  Video.BUFFERING = 3;
  /**
   * When video is queued to start
   * @constant {Number}
   */
  Video.VIDEO_CUED = 5;


  // Used to convert between html and text, since URLs have html entities.
  var $cleaner = H5P.jQuery('<div/>');

  /**
   * Help keep track of key value pairs used by the UI.
   *
   * @class
   * @param {string} label
   * @param {string} value
   */
  Video.LabelValue = function (label, value) {
    this.label = label;
    this.value = value;
  };

 /**
  * Determine whether video can be autoplayed.
  * @returns {Promise<boolean>} Whether autoplay is allowed.
  */
  Video.isAutoplayAllowed = async () => {
   if (document.featurePolicy?.allowsFeature('autoplay')) {
     return true; // Browser supports `featurePolicy` and can tell directly
   }

   const video = document.createElement('video');

   /*
    * Without a video source, the play Promise will be rejected with an error
    * if it cannot be autoplayed, but not resolve at all if it can be
    * autoplayed. Using a timeout to detect the latter case here.
    */
   const timeoutMs = 50; // If play promise rejects, then within few ms

   const timeoutPromise = new Promise((resolve) => {
     window.setTimeout(() => {
       resolve(true); // Timeout reached, autoplay is allowed
     }, timeoutMs);
   });

   let result;
   try {
     result = (await Promise.race([video.play(), timeoutPromise])) ?? true;
   } catch (error) {
     result = false;
   }

   return result;
 };

  /** @constant {Boolean} */
  Video.IE11_PLAYBACK_RATE_FIX = (navigator.userAgent.match(/Trident.*rv[ :]*11\./) ? true : false);

  return Video;
})(H5P.jQuery, H5P.ContentCopyrights, H5P.MediaCopyright, H5P.videoHandlers || []);
;var H5P = H5P || {};

/**
 * A class that easily helps your create awesome drag and drop.
 *
 * @param {H5P.DragNBar} DnB
 * @param {jQuery} $container
 * @returns {undefined}
 */
H5P.DragNDrop = function (dnb, $container) {
  H5P.EventDispatcher.call(this);
  this.dnb = dnb;
  this.$container = $container;
  this.scrollLeft = 0;
  this.scrollTop = 0;
};

// Inherit support for events
H5P.DragNDrop.prototype = Object.create(H5P.EventDispatcher.prototype);
H5P.DragNDrop.prototype.constructor = H5P.DragNDrop;

/**
 * Set the current element
 * 
 * @method setElement
 * @param  {j@uery} $element
 */
H5P.DragNDrop.prototype.setElement = function ($element) {
  this.$element = $element;
};

/**
 * Start tracking the mouse.
 *
 * @param {jQuery} $element
 * @param {Number} x Start X coordinate
 * @param {Number} y Start Y coordinate
 * @returns {undefined}
 */
H5P.DragNDrop.prototype.press = function ($element, x, y) {
  var that = this;
  var eventData = {
    instance: this
  };

  H5P.$window
    .mousemove(eventData, H5P.DragNDrop.moveHandler)
    .bind('mouseup', eventData, H5P.DragNDrop.release);

  H5P.$body
    // With user-select: none uncommented, after moving a drag and drop element, if I hover over something that changes transparancy on hover IE10 on WIN7 crashes
    // TODO: Add user-select and -ms-user-select later if IE10 stops bugging
    .css({'-moz-user-select': 'none', '-webkit-user-select': 'none'/*, 'user-select': 'none', '-ms-user-select': 'none'*/})
    .attr('unselectable', 'on')[0]
    .onselectstart = H5P.$body[0].ondragstart = function () {
      return false;
    };

  that.containerOffset = $element.offsetParent().offset();

  this.$element = $element;
  this.moving = false;
  this.startX = x;
  this.startY = y;

  this.containerWidth = this.$container[0].getBoundingClientRect().width;
  this.containerHeight = this.$container[0].getBoundingClientRect().height;

  this.marginX = parseInt($element.css('marginLeft')) + parseInt($element.css('marginRight'));
  this.marginY = parseInt($element.css('marginTop')) + parseInt($element.css('marginBottom'));

  var offset = $element.offset();
  this.adjust = {
    x: x - offset.left + this.marginX,
    y: y - offset.top - this.marginY
  };

  if (that.dnb && that.dnb.newElement) {
    this.move(x, y);
  }
};

/**
 * Handles mouse move events.
 *
 * @param {Event} event
 */
H5P.DragNDrop.moveHandler = function (event) {
  event.stopPropagation();
  event.data.instance.move(event.pageX, event.pageY);
};

/**
 * Handles mouse movements.
 *
 * @param {number} x
 * @param {number} y
 */
H5P.DragNDrop.prototype.move = function (x, y) {  
  if (!this.moving) {
    if (this.startMovingCallback !== undefined && !this.startMovingCallback(x, y)) {
      return;
    }

    // Start moving
    this.moving = true;
    this.$element.addClass('h5p-moving');
  }
  
  let angle = 0;
  let setAngle = false;

  // Finding angle on element in the css-transform
  if(!setAngle) {
    const styleElement = window.getComputedStyle(this.$element[0]);
    const matrix = styleElement.getPropertyValue("transform");
    if (matrix !== "none") {
      const values = matrix.split("(")[1].split(")")[0].split(",");
      const a = values[0];
      const b = values[1];
      angle = Math.round(Math.atan2(b, a) * (180 / Math.PI));
    }
    setAngle = true;
  }

  // Finding corner positions to ensure the element is never outside the container borders
  // *************************************************************************************
  const theElement = this.$element[0];

  let left;
  let top;
  let width;
  let height;
  
  // When scaling the element by dragging on the 'dots', the transform-value is changing, not left and top, as it is when 'moving'/'dragging' the element.
  // So we find the values 'translate x and y' and add them to left and top.
  const transformCSSTranslateXYArray = theElement.style.transform.split("px");
  let transformCSSTranslateX = 0;
  let transformCSSTranslateY = 0;
  if(transformCSSTranslateXYArray[0] != "") {
    transformCSSTranslateX = (parseInt(transformCSSTranslateXYArray[0].match(/-?\d+/g)));
    transformCSSTranslateY = (parseInt(transformCSSTranslateXYArray[1].match(/-?\d+/g)));
  }

  if(theElement.style.left.includes("%")) {
    left = this.containerWidth * parseInt(theElement.style.left) / 100 + transformCSSTranslateX;
  } else {
    left = parseInt(theElement.style.left) + transformCSSTranslateX;
  }
  if(theElement.style.top.includes("%")) {
    top = this.containerHeight * parseInt(theElement.style.top) / 100 + transformCSSTranslateY;
  } else {
    top = parseInt(theElement.style.top) + transformCSSTranslateY;
  }
  if(theElement.style.width.includes("%")) {
    width = this.containerWidth * parseInt(theElement.style.width) / 100;
  } else if(theElement.style.width.includes("em")) {
    width = parseFloat(theElement.style.width) * 16;
  } 
  else {
    width = parseInt(theElement.style.width)
  }
  if(theElement.style.height.includes("%")) {
    height = this.containerHeight * parseInt(theElement.style.height) / 100;
  } else if(theElement.style.width.includes("em")) {
    height = parseFloat(theElement.style.height) * 16;
  }
  else {
    height = parseInt(theElement.style.height)
  }
  
  let origin = [left + 0.5 * width, top + 0.5 * height];

  const topRightCorner0DegreesPos = [origin[0] + 0.5 * width, origin[1] - 0.5 * height];
  const topLeftCorner0DegreesPos = [origin[0] - 0.5 * width, origin[1] - 0.5 * height];
  
  const angleTopRight0Degrees = Math.atan2(origin[1] - topRightCorner0DegreesPos[1], topRightCorner0DegreesPos[0] - origin[0]) * 180 / Math.PI;
  const angleTopLeft0Degrees = Math.atan2(origin[1] - topLeftCorner0DegreesPos[1], topLeftCorner0DegreesPos[0] - origin[0]) * 180 / Math.PI;
  const angleBottomRight0Degrees = -angleTopRight0Degrees;
  const angleBottomLeft0Degrees = -angleTopLeft0Degrees;

  const hypToCorners = Math.sqrt(Math.pow((width/2),2) + Math.pow((height/2),2));

  const newPosTopRightCorner = this.findNewPoint(origin[0], origin[1], (angleTopRight0Degrees - angle), hypToCorners);
  const newPosTopleftCorner = this.findNewPoint(origin[0], origin[1], (angleTopLeft0Degrees - angle), hypToCorners);
  const newPosBottomRightCorner = this.findNewPoint(origin[0], origin[1], (angleBottomRight0Degrees - angle), hypToCorners);
  const newPosBottomLeftCorner = this.findNewPoint(origin[0], origin[1], (angleBottomLeft0Degrees - angle), hypToCorners);

  const rightmostPoint = Math.max(newPosTopRightCorner[0], newPosTopleftCorner[0], newPosBottomLeftCorner[0], newPosBottomRightCorner[0]);
  const rightmostPointAdjust = rightmostPoint - (left + width);
  const leftmostPoint = Math.min(newPosTopRightCorner[0], newPosTopleftCorner[0], newPosBottomLeftCorner[0], newPosBottomRightCorner[0]);
  const leftmostPointAdjust = left - leftmostPoint;
  const topmostPoint = Math.min(newPosTopRightCorner[1], newPosTopleftCorner[1], newPosBottomLeftCorner[1], newPosBottomRightCorner[1]);
  const topmostPointAdjust = top - topmostPoint;
  const bottommostPoint = Math.max(newPosTopRightCorner[1], newPosTopleftCorner[1], newPosBottomLeftCorner[1], newPosBottomRightCorner[1]);
  const bottommostPointAdjust = bottommostPoint - (top + height);
  // Done finding corner positions
  // ***********************************************************************************

  x -= this.adjust.x;
  y -= this.adjust.y;

  // Adding leftmostPointAdjust and topmostPointAdjust to prevent rotated elements jumping when dragged.
  var posX = x - this.containerOffset.left + this.scrollLeft + leftmostPointAdjust;
  var posY = y - this.containerOffset.top + this.scrollTop + topmostPointAdjust;

  if (this.snap !== undefined) {
    posX = Math.round(posX / this.snap) * this.snap;
    posY = Math.round(posY / this.snap) * this.snap;
  }

  // Do not move outside of minimum values.
  // Adjusted values are added when the element is rotated.
  if (this.min !== undefined) {
    if ((posX - leftmostPointAdjust) < this.min.x) {
      posX = this.min.x + leftmostPointAdjust;
      x = this.min.x + this.containerOffset.left - this.scrollLeft;
    }
    if (posY - topmostPointAdjust < this.min.y) {
      posY = this.min.y + topmostPointAdjust;
      y = this.min.y + this.containerOffset.top - this.scrollTop;
    }
  }
  if (this.dnb && this.dnb.newElement && posY >= 0) {
    this.min.y = 0;
  }

  // Do not move outside of maximum values.
  if (this.max !== undefined) {
    if ((posX + width + rightmostPointAdjust) > (this.max.x + width)) {
      posX = this.max.x - rightmostPointAdjust;
      x = this.max.x + this.containerOffset.left - this.scrollLeft;
    }
    if (posY + height + bottommostPointAdjust > (this.max.y + height)) {
      posY = this.max.y - bottommostPointAdjust;
      y = this.max.y + this.containerOffset.top - this.scrollTop;
    }
  }

  // Show transform panel if element has moved
  var startX = this.startX - this.adjust.x - this.containerOffset.left + this.scrollLeft;
  var startY = this.startY - this.adjust.y - this.containerOffset.top + this.scrollTop;
  if (!this.snap && (posX !== startX || posY !== startY)) {
    this.trigger('showTransformPanel');
  }
  else if (this.snap) {
    var xChanged = (Math.round(posX / this.snap) * this.snap) !==
      (Math.round(startX / this.snap) * this.snap);
    var yChanged = (Math.round(posY / this.snap) * this.snap) !==
      (Math.round(startY / this.snap) * this.snap);
    if (xChanged || yChanged) {
      this.trigger('showTransformPanel');
    }
  }

  // Moving the element to the calculated position
  this.$element.css({left: posX - transformCSSTranslateX, top: posY - transformCSSTranslateY});

  if (this.dnb) {
    this.dnb.updateCoordinates();
  }

  if (this.moveCallback) {
    this.moveCallback(x, y, this.$element);
  }
};

// Find position relative to origin by knowing origin, angle and distance
H5P.DragNDrop.prototype.findNewPoint = function (originX, originY, angle, distance) {
  
  let result = [];
  result.push(Math.cos(angle * Math.PI / 180) * distance + originX);
  result.push(-Math.sin(angle * Math.PI / 180) * distance + originY);

  return result;
}

/**
 * Stop tracking the mouse.
 *
 * @param {Object} event
 * @returns {undefined}
 */
H5P.DragNDrop.release = function (event) {
  var that = event.data.instance;

  H5P.$window
    .unbind('mousemove', H5P.DragNDrop.moveHandler)
    .unbind('mouseup', H5P.DragNDrop.release);

  H5P.$body
    .css({'-moz-user-select': '', '-webkit-user-select': ''/*, 'user-select': '', '-ms-user-select': ''*/})
    .removeAttr('unselectable')[0]
    .onselectstart = H5P.$body[0].ondragstart = null;

  if (that.releaseCallback !== undefined) {
    that.releaseCallback();
  }

  if (that.moving) {
    that.$element.removeClass('h5p-moving');
    if (that.stopMovingCallback !== undefined) {
      that.stopMovingCallback(event);
    }
  }

  // trigger to hide the transform panel unless it was activated
  // through the context menu
  that.trigger('hideTransformPanel');
};
;/*global H5P*/
H5P.DragNResize = (function ($, EventDispatcher) {

  /**
   * Constructor!
   *
   * @class H5P.DragNResize
   * @param {H5P.jQuery} $container
   */
  function C($container) {
    var self = this;
    this.$container = $container;
    self.disabledModifiers = false;

    this.minSize = H5P.DragNResize.MIN_SIZE;

    EventDispatcher.call(this);

    // Override settings for snapping to grid, and locking aspect ratio.
    H5P.$body.keydown(function (event) {
      if (self.disabledModifiers) {
        return;
      }

      if (event.keyCode === 17) {
        // Ctrl
        self.revertSnap = true;
      }
      else if (event.keyCode === 16) {
        // Shift
        self.revertLock = true;
      }
    }).keyup(function (event) {
      if (self.disabledModifiers) {
        return;
      }

      if (event.keyCode === 17) {
        // Ctrl
        self.revertSnap = false;
      }
      else if (event.keyCode === 16) {
        // Shift
        self.revertLock = false;
      }
    });
  }

  // Inheritance
  C.prototype = Object.create(EventDispatcher.prototype);
  C.prototype.constructor = C;

  /**
   * Gives the given element a resize handle.
   *
   * @param {H5P.jQuery} $element
   * @param {Object} [options]
   * @param {boolean} [options.lock]
   * @param {boolean} [options.cornerLock]
   * @param {string} [options.directionLock]
   * @param {number} [options.minSize]
   */
  C.prototype.add = function ($element, options) {
    var that = this;

    // Array with position of handles
    var cornerPositions = ['nw', 'ne', 'sw', 'se'];
    var horizontalEdgePositions = ['w', 'e'];
    var verticalEdgePositions = ['n', 's'];

    var addResizeHandle = function (position, corner) {
      $('<div>', {
        'class': 'h5p-dragnresize-handle ' + position
      }).mousedown(function (event) {
        that.lock = (options && (options.lock || corner && options.cornerLock));
        if (options.cornerLock) {
          that.isImage = true;
        }
        that.$element = $element;
        that.press(event.clientX, event.clientY, position, options.minSize);
      }).data('position', position)
        .appendTo($element);
    };

    if (!options.directionLock) {
      cornerPositions.forEach(function (pos) {
        addResizeHandle(pos, true);
      });
    }

    // Add edge handles
    if (!options || !options.lock) {
      if (options.directionLock != "vertical") {
        horizontalEdgePositions.forEach(function (pos) {
          addResizeHandle(pos);
        });
      }
      if (options.directionLock != "horizontal") {
        verticalEdgePositions.forEach(function (pos) {
          addResizeHandle(pos);
        });
      }
    }

    if (options.minSize) {
      this.minSize = options.minSize;
    }
    else {
      this.minSize = H5P.DragNResize.MIN_SIZE;
    }
  };

  /**
   * Get paddings for the element
   */
  C.prototype.getElementPaddings = function () {
    return {
      horizontal: Number(this.$element.css('padding-left').replace("px", "")) + Number(this.$element.css('padding-right').replace("px", "")),
      vertical: Number(this.$element.css('padding-top').replace("px", "")) + Number(this.$element.css('padding-bottom').replace("px", ""))
    };
  };

  /**
   * Get borders for the element
   * @returns {{horizontal: number, vertical: number}}
   */
  C.prototype.getElementBorders = function () {
    return {
      horizontal: Number(this.$element.css('border-left-width').replace('px', '')) + Number(this.$element.css('border-right-width').replace('px', '')),
      vertical: Number(this.$element.css('border-top-width').replace('px', '')) + Number(this.$element.css('border-bottom-width').replace('px', ''))
    };
  };

  C.prototype.setContainerEm = function (containerEm) {
    this.containerEm = containerEm;
  };

  /**
   * Start resizing
   *
   * @param {number} x
   * @param {number} y
   * @param {String} [direction] Direction of resize
   * @param {number} minSize
   */
  C.prototype.press = function (x, y, direction, minSize) {
    this.active = true;
    var eventData = {
      instance: this,
      direction: direction
    };

    this.minSize = (minSize ? minSize : H5P.DragNResize.MIN_SIZE);

    H5P.$window
      .bind('mouseup', eventData, C.release)
      .mousemove(eventData, C.move);

    H5P.$body
      .css({
        '-moz-user-select': 'none',
        '-webkit-user-select': 'none',
        'user-select': 'none',
        '-ms-user-select': 'none'
      })
      .attr('unselectable', 'on')[0]
      .onselectstart = H5P.$body[0].ondragstart = function () {
        return false;
      };

    this.startX = x;
    this.startY = y;
    this.padding = this.getElementPaddings();
    this.borders = this.getElementBorders();
    this.startWidth = this.$element.outerWidth();
    this.startHeight = this.$element.outerHeight();
    this.ratio = (this.startWidth / this.startHeight);
    var position = this.$element.position();
    this.left = position.left;
    this.top = position.top;
    this.containerWidth = this.$container.width();
    this.containerHeight = this.$container.height();

    // Set default values
    this.newLeft = this.left;
    this.newTop = this.top;
    this.newWidth = this.startWidth;
    this.newHeight = this.startHeight;

    this.trigger('startResizing', eventData);

    // Show transform panel
    this.trigger('showTransformPanel');
  };

  /**
   * Resize events
   *
   * @param {Event} event
   */
  C.move = function (event) {
    var direction = (event.data.direction ? event.data.direction : 'se');
    var that = event.data.instance;
    var moveW = (direction === 'nw' || direction === 'sw' || direction === 'w');
    var moveN = (direction === 'nw' || direction === 'ne' || direction === 'n');
    var moveDiagonally = (direction === 'nw' || direction === 'ne' || direction === 'sw' || direction === 'se');
    var movesHorizontal = (direction === 'w' || direction === 'e');
    var movesVertical = (direction === 'n' || direction === 's');
    var deltaX = that.startX - event.clientX;
    var deltaY = that.startY - event.clientY;

    that.minLeft = that.left + that.startWidth - that.minSize;
    that.minTop = that.top + that.startHeight - that.minSize;

    // Moving west
    if (moveW) {
      that.newLeft = that.left - deltaX;
      that.newWidth = that.startWidth + deltaX;

      // Check edge cases
      if (that.newLeft < 0) {
        that.newLeft = 0;
        that.newWidth = that.left + that.startWidth;
      }
      else if (that.newLeft > that.minLeft) {
        that.newLeft = that.minLeft;
        that.newWidth = that.left - that.minLeft + that.startWidth;
      }

      // Snap west side
      if (that.snap && !that.revertSnap) {
        that.newLeft = Math.round(that.newLeft / that.snap) * that.snap;

        // Make sure element does not snap east
        if (that.newLeft > that.minLeft) {
          that.newLeft = Math.floor(that.minLeft / that.snap) * that.snap;
        }

        that.newWidth = (that.left - that.newLeft) + that.startWidth;
      }
    }
    else if (!movesVertical) {
      that.newWidth = that.startWidth - deltaX;

      // Snap width
      if (that.snap && !that.revertSnap) {
        that.newWidth = Math.round(that.newWidth / that.snap) * that.snap;
      }

      if (that.left + that.newWidth > that.containerWidth) {
        that.newWidth = that.containerWidth - that.left;
      }
    }

    // Moving north
    if (moveN) {
      that.newTop = that.top - deltaY;
      that.newHeight = that.startHeight + deltaY;

      // Check edge cases
      if (that.newTop < 0) {
        that.newTop = 0;
        that.newHeight = that.top + that.startHeight;
      }
      else if (that.newTop > that.minTop) {
        that.newTop = that.minTop;
        that.newHeight = that.top - that.minTop + that.startHeight;
      }

      // Snap north
      if (that.snap && !that.revertSnap) {
        that.newTop = Math.round(that.newTop / that.snap) * that.snap;

        // Make sure element does not snap south
        if (that.newTop > that.minTop) {
          that.newTop = Math.floor(that.minTop / that.snap) * that.snap;
        }

        that.newHeight = (that.top - that.newTop) + that.startHeight;
      }
    }
    else if (!movesHorizontal) {
      that.newHeight = that.startHeight - deltaY;

      // Snap height
      if (that.snap && !that.revertSnap) {
        that.newHeight = Math.round(that.newHeight / that.snap) * that.snap;
      }

      if (that.top + that.newHeight > that.containerHeight) {
        that.newHeight = that.containerHeight - that.top;
      }
    }

    // Set min size
    if (that.newWidth <= that.minSize) {
      that.newWidth = that.minSize;
    }

    if (that.newHeight <= that.minSize) {
      that.newHeight = that.minSize;
    }

    // Apply ratio lock for elements except images, they have a their own specific for corner cases
    var lock = (that.revertLock ? !that.lock : that.lock);
    if (lock && (moveDiagonally || !that.isImage)) {
      that.lockDimensions(moveW, moveN, movesVertical, movesHorizontal);
    }

    // Reduce size by padding and borders
    that.finalWidth = that.newWidth;
    that.finalHeight = that.newHeight;
    if (that.$element.css('boxSizing') !== 'border-box') {
      that.finalWidth -= (that.padding.horizontal + that.borders.horizontal);
      that.finalHeight -= (that.padding.vertical + that.borders.vertical);
    }

    that.$element.css({
      width: (that.finalWidth / that.containerEm) + 'em',
      height: (that.finalHeight / that.containerEm) + 'em',
      left: ((that.newLeft / that.containerWidth) * 100) + '%',
      top: ((that.newTop / that.containerHeight) * 100) + '%'
    });

    that.trigger('moveResizing');
  };

  /**
   * Changes element values depending on moving direction of the element
   * @param isMovingWest
   * @param isMovingNorth
   * @param movesVertical
   * @param movesHorizontal
   */
  C.prototype.lockDimensions = function (isMovingWest, isMovingNorth, movesVertical, movesHorizontal) {
    var self = this;

    // Cap movement at top
    var lockTop = function (isMovingNorth) {
      if (!isMovingNorth) {
        return;
      }

      self.newTop = self.top - (self.newHeight - self.startHeight);

      // Edge case
      if (self.newTop <= 0) {
        self.newTop = 0;
      }
    };

    // Expand to longest edge
    if (movesVertical) {
      this.newWidth = this.newHeight * this.ratio;

      // Make sure locked ratio does not cause size to go below min size
      if (this.newWidth < this.minSize) {
        this.newWidth = this.minSize;
        this.newHeight = this.minSize / this.ratio;
      }
    }
    else if (movesHorizontal) {
      this.newHeight = this.newWidth / this.ratio;

      // Make sure locked ratio does not cause size to go below min size
      if (this.newHeight < this.minSize) {
        this.newHeight = this.minSize;
        this.newWidth = this.minSize * this.ratio;
      }
    }
    else if (this.newWidth / this.startWidth > this.newHeight / this.startHeight) {
      // Expand to width
      this.newHeight = this.newWidth / this.ratio;
    }
    else {
      // Expand to height
      this.newWidth = this.newHeight * this.ratio;
    }

    // Change top to match new height
    if (isMovingNorth) {
      lockTop(isMovingNorth);

      if (self.newTop <= 0) {
        self.newHeight = self.top + self.startHeight;
        self.newWidth = self.newHeight * self.ratio;
      }
    }
    else {
      // Too high
      if (this.top + this.newHeight > this.containerHeight) {
        this.newHeight = this.containerHeight - this.top;
        this.newWidth = this.newHeight * this.ratio;
      }
    }

    // Change left to match new width
    if (isMovingWest) {
      this.newLeft = this.left - (this.newWidth - this.startWidth);
      // Edge case
      if (this.newLeft <= 0) {
        this.newLeft = 0;
        this.newWidth = this.left + this.startWidth;
        this.newHeight = this.newWidth / this.ratio;
      }
    }
    else {
      // Too wide
      if (this.left + this.newWidth > this.containerWidth) {
        this.newWidth = this.containerWidth - this.left;
        this.newHeight = this.newWidth / this.ratio;
      }
    }

    // Need to re-lock top in case height changed
    lockTop(isMovingNorth);
  };

  /**
   * Stop resizing
   *
   * @param {Event} event
   */
  C.release = function (event) {
    var that = event.data.instance;
    that.active = false;

    H5P.$window
      .unbind('mouseup', C.release)
      .unbind('mousemove', C.move);

    H5P.$body
      .css({
        '-moz-user-select': '',
        '-webkit-user-select': '',
        'user-select': '',
        '-ms-user-select': ''
      })
      .removeAttr('unselectable')[0]
      .onselectstart = H5P.$body[0].ondragstart = null;

    if (that.newWidth !== that.startWidth ||
        that.newHeight !== that.startHeight) {
      // Stopped resizing send width and height in Ems
      that.trigger('stoppedResizing', {
        left: that.newLeft,
        top: that.newTop,
        width: that.finalWidth / that.containerEm,
        height: that.finalHeight / that.containerEm
      });
    }

    // Refocus element after resizing it. Apply timeout since focus is lost at the end of mouse event.
    setTimeout(function () {
      that.$element.focus();
    }, 0);

    // trigger to hide the transform panel unless it was activated
    // through the context menu
    that.trigger('hideTransformPanel');
  };

  /**
   * Toggle modifiers when we are not interacting with drag objects.
   * @param {boolean} [enable]
   */
  C.prototype.toggleModifiers = function (enable) {
    this.disabledModifiers = enable === undefined ? !this.disabledModifiers : !enable;
  };

  C.MIN_SIZE = 24;

  return C;
})(H5P.jQuery, H5P.EventDispatcher);
;var H5P = H5P || {};

/**
 * Class responsible for creating a help text dialog
 */
H5P.JoubelHelpTextDialog = (function ($) {

  var numInstances = 0;
  /**
   * Display a pop-up containing a message.
   *
   * @param {H5P.jQuery}  $container  The container which message dialog will be appended to
   * @param {string}      message     The message
   * @param {string}      closeButtonTitle The title for the close button
   * @return {H5P.jQuery}
   */
  function JoubelHelpTextDialog(header, message, closeButtonTitle) {
    H5P.EventDispatcher.call(this);

    var self = this;

    numInstances++;
    var headerId = 'joubel-help-text-header-' + numInstances;
    var helpTextId = 'joubel-help-text-body-' + numInstances;

    var $helpTextDialogBox = $('<div>', {
      'class': 'joubel-help-text-dialog-box',
      'role': 'dialog',
      'aria-labelledby': headerId,
      'aria-describedby': helpTextId
    });

    $('<div>', {
      'class': 'joubel-help-text-dialog-background'
    }).appendTo($helpTextDialogBox);

    var $helpTextDialogContainer = $('<div>', {
      'class': 'joubel-help-text-dialog-container'
    }).appendTo($helpTextDialogBox);

    $('<div>', {
      'class': 'joubel-help-text-header',
      'id': headerId,
      'role': 'header',
      'html': header
    }).appendTo($helpTextDialogContainer);

    $('<div>', {
      'class': 'joubel-help-text-body',
      'id': helpTextId,
      'html': message,
      'role': 'document',
      'tabindex': 0
    }).appendTo($helpTextDialogContainer);

    var handleClose = function () {
      $helpTextDialogBox.remove();
      self.trigger('closed');
    };

    var $closeButton = $('<div>', {
      'class': 'joubel-help-text-remove',
      'role': 'button',
      'title': closeButtonTitle,
      'tabindex': 1,
      'click': handleClose,
      'keydown': function (event) {
        // 32 - space, 13 - enter
        if ([32, 13].indexOf(event.which) !== -1) {
          event.preventDefault();
          handleClose();
        }
      }
    }).appendTo($helpTextDialogContainer);

    /**
     * Get the DOM element
     * @return {HTMLElement}
     */
    self.getElement = function () {
      return $helpTextDialogBox;
    };

    self.focus = function () {
      $closeButton.focus();
    };
  }

  JoubelHelpTextDialog.prototype = Object.create(H5P.EventDispatcher.prototype);
  JoubelHelpTextDialog.prototype.constructor = JoubelHelpTextDialog;

  return JoubelHelpTextDialog;
}(H5P.jQuery));
;var H5P = H5P || {};

/**
 * Class responsible for creating auto-disappearing dialogs
 */
H5P.JoubelMessageDialog = (function ($) {

  /**
   * Display a pop-up containing a message.
   *
   * @param {H5P.jQuery} $container The container which message dialog will be appended to
   * @param {string} message The message
   * @return {H5P.jQuery}
   */
  function JoubelMessageDialog ($container, message) {
    var timeout;

    var removeDialog = function () {
      $warning.remove();
      clearTimeout(timeout);
      $container.off('click.messageDialog');
    };

    // Create warning popup:
    var $warning = $('<div/>', {
      'class': 'joubel-message-dialog',
      text: message
    }).appendTo($container);

    // Remove after 3 seconds or if user clicks anywhere in $container:
    timeout = setTimeout(removeDialog, 3000);
    $container.on('click.messageDialog', removeDialog);

    return $warning;
  }

  return JoubelMessageDialog;
})(H5P.jQuery);
;var H5P = H5P || {};

/**
 * Class responsible for creating a circular progress bar
 */

H5P.JoubelProgressCircle = (function ($) {

  /**
   * Constructor for the Progress Circle
   *
   * @param {Number} number The amount of progress to display
   * @param {string} progressColor Color for the progress meter
   * @param {string} backgroundColor Color behind the progress meter
   */
  function ProgressCircle(number, progressColor, fillColor, backgroundColor) {
    progressColor = progressColor || '#1a73d9';
    fillColor = fillColor || '#f0f0f0';
    backgroundColor = backgroundColor || '#ffffff';
    var progressColorRGB = this.hexToRgb(progressColor);

    //Verify number
    try {
      number = Number(number);
      if (number === '') {
        throw 'is empty';
      }
      if (isNaN(number)) {
        throw 'is not a number';
      }
    } catch (e) {
      number = 'err';
    }

    //Draw circle
    if (number > 100) {
      number = 100;
    }

    // We can not use rgba, since they will stack on top of each other.
    // Instead we create the equivalent of the rgba color
    // and applies this to the activeborder and background color.
    var progressColorString = 'rgb(' + parseInt(progressColorRGB.r, 10) +
      ',' + parseInt(progressColorRGB.g, 10) +
      ',' + parseInt(progressColorRGB.b, 10) + ')';

    // Circle wrapper
    var $wrapper = $('<div/>', {
      'class': "joubel-progress-circle-wrapper"
    });

    //Active border indicates progress
    var $activeBorder = $('<div/>', {
      'class': "joubel-progress-circle-active-border"
    }).appendTo($wrapper);

    //Background circle
    var $backgroundCircle = $('<div/>', {
      'class': "joubel-progress-circle-circle"
    }).appendTo($activeBorder);

    //Progress text/number
    $('<span/>', {
      'text': number + '%',
      'class': "joubel-progress-circle-percentage"
    }).appendTo($backgroundCircle);

    var deg = number * 3.6;
    if (deg <= 180) {
      $activeBorder.css('background-image',
        'linear-gradient(' + (90 + deg) + 'deg, transparent 50%, ' + fillColor + ' 50%),' +
        'linear-gradient(90deg, ' + fillColor + ' 50%, transparent 50%)')
        .css('border', '2px solid' + backgroundColor)
        .css('background-color', progressColorString);
    } else {
      $activeBorder.css('background-image',
        'linear-gradient(' + (deg - 90) + 'deg, transparent 50%, ' + progressColorString + ' 50%),' +
        'linear-gradient(90deg, ' + fillColor + ' 50%, transparent 50%)')
        .css('border', '2px solid' + backgroundColor)
        .css('background-color', progressColorString);
    }

    this.$activeBorder = $activeBorder;
    this.$backgroundCircle = $backgroundCircle;
    this.$wrapper = $wrapper;

    this.initResizeFunctionality();

    return $wrapper;
  }

  /**
   * Initializes resize functionality for the progress circle
   */
  ProgressCircle.prototype.initResizeFunctionality = function () {
    var self = this;

    $(window).resize(function () {
      // Queue resize
      setTimeout(function () {
        self.resize();
      });
    });

    // First resize
    setTimeout(function () {
      self.resize();
    }, 0);
  };

  /**
   * Resize function makes progress circle grow or shrink relative to parent container
   */
  ProgressCircle.prototype.resize = function () {
    var $parent = this.$wrapper.parent();

    if ($parent !== undefined && $parent) {

      // Measurements
      var fontSize = parseInt($parent.css('font-size'), 10);

      // Static sizes
      var fontSizeMultiplum = 3.75;
      var progressCircleWidthPx = parseInt((fontSize / 4.5), 10) % 2 === 0 ? parseInt((fontSize / 4.5), 10) + 4 : parseInt((fontSize / 4.5), 10) + 5;
      var progressCircleOffset = progressCircleWidthPx / 2;

      var width = fontSize * fontSizeMultiplum;
      var height = fontSize * fontSizeMultiplum;
      this.$activeBorder.css({
        'width': width,
        'height': height
      });

      this.$backgroundCircle.css({
        'width': width - progressCircleWidthPx,
        'height': height - progressCircleWidthPx,
        'top': progressCircleOffset,
        'left': progressCircleOffset
      });
    }
  };

  /**
   * Hex to RGB conversion
   * @param hex
   * @returns {{r: Number, g: Number, b: Number}}
   */
  ProgressCircle.prototype.hexToRgb = function (hex) {
    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result ? {
      r: parseInt(result[1], 16),
      g: parseInt(result[2], 16),
      b: parseInt(result[3], 16)
    } : null;
  };

  return ProgressCircle;

}(H5P.jQuery));
;var H5P = H5P || {};

H5P.SimpleRoundedButton = (function ($) {

  /**
   * Creates a new tip
   */
  function SimpleRoundedButton(text) {

    var $simpleRoundedButton = $('<div>', {
      'class': 'joubel-simple-rounded-button',
      'title': text,
      'role': 'button',
      'tabindex': '0'
    }).keydown(function (e) {
      // 32 - space, 13 - enter
      if ([32, 13].indexOf(e.which) !== -1) {
        $(this).click();
        e.preventDefault();
      }
    });

    $('<span>', {
      'class': 'joubel-simple-rounded-button-text',
      'html': text
    }).appendTo($simpleRoundedButton);

    return $simpleRoundedButton;
  }

  return SimpleRoundedButton;
}(H5P.jQuery));
;var H5P = H5P || {};

/**
 * Class responsible for creating speech bubbles
 */
H5P.JoubelSpeechBubble = (function ($) {

  var $currentSpeechBubble;
  var $currentContainer;  
  var $tail;
  var $innerTail;
  var removeSpeechBubbleTimeout;
  var currentMaxWidth;

  var DEFAULT_MAX_WIDTH = 400;

  var iDevice = navigator.userAgent.match(/iPod|iPhone|iPad/g) ? true : false;

  /**
   * Creates a new speech bubble
   *
   * @param {H5P.jQuery} $container The speaking object
   * @param {string} text The text to display
   * @param {number} maxWidth The maximum width of the bubble
   * @return {H5P.JoubelSpeechBubble}
   */
  function JoubelSpeechBubble($container, text, maxWidth) {
    maxWidth = maxWidth || DEFAULT_MAX_WIDTH;
    currentMaxWidth = maxWidth;
    $currentContainer = $container;

    this.isCurrent = function ($tip) {
      return $tip.is($currentContainer);
    };

    this.remove = function () {
      remove();
    };

    var fadeOutSpeechBubble = function ($speechBubble) {
      if (!$speechBubble) {
        return;
      }

      // Stop removing bubble
      clearTimeout(removeSpeechBubbleTimeout);

      $speechBubble.removeClass('show');
      setTimeout(function () {
        if ($speechBubble) {
          $speechBubble.remove();
          $speechBubble = undefined;
        }
      }, 500);
    };

    if ($currentSpeechBubble !== undefined) {
      remove();
    }

    var $h5pContainer = getH5PContainer($container);

    // Make sure we fade out old speech bubble
    fadeOutSpeechBubble($currentSpeechBubble);

    // Create bubble
    $tail = $('<div class="joubel-speech-bubble-tail"></div>');
    $innerTail = $('<div class="joubel-speech-bubble-inner-tail"></div>');
    var $innerBubble = $(
      '<div class="joubel-speech-bubble-inner">' +
      '<div class="joubel-speech-bubble-text">' + text + '</div>' +
      '</div>'
    ).prepend($innerTail);

    $currentSpeechBubble = $(
      '<div class="joubel-speech-bubble" aria-live="assertive">'
    ).append([$tail, $innerBubble])
      .appendTo($h5pContainer);

    // Show speech bubble with transition
    setTimeout(function () {
      $currentSpeechBubble.addClass('show');
    }, 0);

    position($currentSpeechBubble, $currentContainer, maxWidth, $tail, $innerTail);

    // Handle click to close
    H5P.$body.on('mousedown.speechBubble', handleOutsideClick);

    // Handle window resizing
    H5P.$window.on('resize', '', handleResize);

    // Handle clicks when inside IV which blocks bubbling.
    $container.parents('.h5p-dialog')
      .on('mousedown.speechBubble', handleOutsideClick);

    if (iDevice) {
      H5P.$body.css('cursor', 'pointer');
    }

    return this;
  }

  // Remove speechbubble if it belongs to a dom element that is about to be hidden
  H5P.externalDispatcher.on('domHidden', function (event) {
    if ($currentSpeechBubble !== undefined && event.data.$dom.find($currentContainer).length !== 0) {
      remove();
    }
  });

  /**
   * Returns the closest h5p container for the given DOM element.
   * 
   * @param {object} $container jquery element
   * @return {object} the h5p container (jquery element)
   */
  function getH5PContainer($container) {
    var $h5pContainer = $container.closest('.h5p-frame');

    // Check closest h5p frame first, then check for container in case there is no frame.
    if (!$h5pContainer.length) {
      $h5pContainer = $container.closest('.h5p-container');
    }

    return $h5pContainer;
  }

  /**
   * Event handler that is called when the window is resized.
   */
  function handleResize() {
    position($currentSpeechBubble, $currentContainer, currentMaxWidth, $tail, $innerTail);
  }

  /**
   * Repositions the speech bubble according to the position of the container.
   * 
   * @param {object} $currentSpeechbubble the speech bubble that should be positioned   
   * @param {object} $container the container to which the speech bubble should point 
   * @param {number} maxWidth the maximum width of the speech bubble
   * @param {object} $tail the tail (the triangle that points to the referenced container)
   * @param {object} $innerTail the inner tail (the triangle that points to the referenced container)
   */
  function position($currentSpeechBubble, $container, maxWidth, $tail, $innerTail) {
    var $h5pContainer = getH5PContainer($container);

    // Calculate offset between the button and the h5p frame
    var offset = getOffsetBetween($h5pContainer, $container);

    var direction = (offset.bottom > offset.top ? 'bottom' : 'top');
    var tipWidth = offset.outerWidth * 0.9; // Var needs to be renamed to make sense
    var bubbleWidth = tipWidth > maxWidth ? maxWidth : tipWidth;

    var bubblePosition = getBubblePosition(bubbleWidth, offset);
    var tailPosition = getTailPosition(bubbleWidth, bubblePosition, offset, $container.width());
    // Need to set font-size, since element is appended to body.
    // Using same font-size as parent. In that way it will grow accordingly
    // when resizing
    var fontSize = 16;//parseFloat($parent.css('font-size'));

    // Set width and position of speech bubble
    $currentSpeechBubble.css(bubbleCSS(
      direction,
      bubbleWidth,
      bubblePosition,
      fontSize
    ));

    var preparedTailCSS = tailCSS(direction, tailPosition);
    $tail.css(preparedTailCSS);
    $innerTail.css(preparedTailCSS);
  }

  /**
   * Static function for removing the speechbubble
   */
  var remove = function () {
    H5P.$body.off('mousedown.speechBubble');
    H5P.$window.off('resize', '', handleResize);
    $currentContainer.parents('.h5p-dialog').off('mousedown.speechBubble');
    if (iDevice) {
      H5P.$body.css('cursor', '');
    }
    if ($currentSpeechBubble !== undefined) {
      // Apply transition, then remove speech bubble
      $currentSpeechBubble.removeClass('show');

      // Make sure we remove any old timeout before reassignment
      clearTimeout(removeSpeechBubbleTimeout);
      removeSpeechBubbleTimeout = setTimeout(function () {
        $currentSpeechBubble.remove();
        $currentSpeechBubble = undefined;
      }, 500);
    }
    // Don't return false here. If the user e.g. clicks a button when the bubble is visible,
    // we want the bubble to disapear AND the button to receive the event
  };

  /**
   * Remove the speech bubble and container reference
   */
  function handleOutsideClick(event) {
    if (event.target === $currentContainer[0]) {
      return; // Button clicks are not outside clicks
    }

    remove();
    // There is no current container when a container isn't clicked
    $currentContainer = undefined;
  }

  /**
   * Calculate position for speech bubble
   *
   * @param {number} bubbleWidth The width of the speech bubble
   * @param {object} offset
   * @return {object} Return position for the speech bubble
   */
  function getBubblePosition(bubbleWidth, offset) {
    var bubblePosition = {};

    var tailOffset = 9;
    var widthOffset = bubbleWidth / 2;

    // Calculate top position
    bubblePosition.top = offset.top + offset.innerHeight;

    // Calculate bottom position
    bubblePosition.bottom = offset.bottom + offset.innerHeight + tailOffset;

    // Calculate left position
    if (offset.left < widthOffset) {
      bubblePosition.left = 3;
    }
    else if ((offset.left + widthOffset) > offset.outerWidth) {
      bubblePosition.left = offset.outerWidth - bubbleWidth - 3;
    }
    else {
      bubblePosition.left = offset.left - widthOffset + (offset.innerWidth / 2);
    }

    return bubblePosition;
  }

  /**
   * Calculate position for speech bubble tail
   *
   * @param {number} bubbleWidth The width of the speech bubble
   * @param {object} bubblePosition Speech bubble position
   * @param {object} offset
   * @param {number} iconWidth The width of the tip icon
   * @return {object} Return position for the tail
   */
  function getTailPosition(bubbleWidth, bubblePosition, offset, iconWidth) {
    var tailPosition = {};
    // Magic numbers. Tuned by hand so that the tail fits visually within
    // the bounds of the speech bubble.
    var leftBoundary = 9;
    var rightBoundary = bubbleWidth - 20;

    tailPosition.left = offset.left - bubblePosition.left + (iconWidth / 2) - 6;
    if (tailPosition.left < leftBoundary) {
      tailPosition.left = leftBoundary;
    }
    if (tailPosition.left > rightBoundary) {
      tailPosition.left = rightBoundary;
    }

    tailPosition.top = -6;
    tailPosition.bottom = -6;

    return tailPosition;
  }

  /**
   * Return bubble CSS for the desired growth direction
   *
   * @param {string} direction The direction the speech bubble will grow
   * @param {number} width The width of the speech bubble
   * @param {object} position Speech bubble position
   * @param {number} fontSize The size of the bubbles font
   * @return {object} Return CSS
   */
  function bubbleCSS(direction, width, position, fontSize) {
    if (direction === 'top') {
      return {
        width: width + 'px',
        bottom: position.bottom + 'px',
        left: position.left + 'px',
        fontSize: fontSize + 'px',
        top: ''
      };
    }
    else {
      return {
        width: width + 'px',
        top: position.top + 'px',
        left: position.left + 'px',
        fontSize: fontSize + 'px',
        bottom: ''
      };
    }
  }

  /**
   * Return tail CSS for the desired growth direction
   *
   * @param {string} direction The direction the speech bubble will grow
   * @param {object} position Tail position
   * @return {object} Return CSS
   */
  function tailCSS(direction, position) {
    if (direction === 'top') {
      return {
        bottom: position.bottom + 'px',
        left: position.left + 'px',
        top: ''
      };
    }
    else {
      return {
        top: position.top + 'px',
        left: position.left + 'px',
        bottom: ''
      };
    }
  }

  /**
   * Calculates the offset between an element inside a container and the
   * container. Only works if all the edges of the inner element are inside the
   * outer element.
   * Width/height of the elements is included as a convenience.
   *
   * @param {H5P.jQuery} $outer
   * @param {H5P.jQuery} $inner
   * @return {object} Position offset
   */
  function getOffsetBetween($outer, $inner) {
    var outer = $outer[0].getBoundingClientRect();
    var inner = $inner[0].getBoundingClientRect();

    return {
      top: inner.top - outer.top,
      right: outer.right - inner.right,
      bottom: outer.bottom - inner.bottom,
      left: inner.left - outer.left,
      innerWidth: inner.width,
      innerHeight: inner.height,
      outerWidth: outer.width,
      outerHeight: outer.height
    };
  }

  return JoubelSpeechBubble;
})(H5P.jQuery);
;var H5P = H5P || {};

H5P.JoubelThrobber = (function ($) {

  /**
   * Creates a new tip
   */
  function JoubelThrobber() {

    // h5p-throbber css is described in core
    var $throbber = $('<div/>', {
      'class': 'h5p-throbber'
    });

    return $throbber;
  }

  return JoubelThrobber;
}(H5P.jQuery));
;H5P.JoubelTip = (function ($) {
  var $conv = $('<div/>');

  /**
   * Creates a new tip element.
   *
   * NOTE that this may look like a class but it doesn't behave like one.
   * It returns a jQuery object.
   *
   * @param {string} tipHtml The text to display in the popup
   * @param {Object} [behaviour] Options
   * @param {string} [behaviour.tipLabel] Set to use a custom label for the tip button (you want this for good A11Y)
   * @param {boolean} [behaviour.helpIcon] Set to 'true' to Add help-icon classname to Tip button (changes the icon)
   * @param {boolean} [behaviour.showSpeechBubble] Set to 'false' to disable functionality (you may this in the editor)
   * @param {boolean} [behaviour.tabcontrol] Set to 'true' if you plan on controlling the tabindex in the parent (tabindex="-1")
   * @return {H5P.jQuery|undefined} Tip button jQuery element or 'undefined' if invalid tip
   */
  function JoubelTip(tipHtml, behaviour) {

    // Keep track of the popup that appears when you click the Tip button
    var speechBubble;

    // Parse tip html to determine text
    var tipText = $conv.html(tipHtml).text().trim();
    if (tipText === '') {
      return; // The tip has no textual content, i.e. it's invalid.
    }

    // Set default behaviour
    behaviour = $.extend({
      tipLabel: tipText,
      helpIcon: false,
      showSpeechBubble: true,
      tabcontrol: false
    }, behaviour);

    // Create Tip button
    var $tipButton = $('<div/>', {
      class: 'joubel-tip-container' + (behaviour.showSpeechBubble ? '' : ' be-quiet'),
      'aria-label': behaviour.tipLabel,
      'aria-expanded': false,
      role: 'button',
      tabindex: (behaviour.tabcontrol ? -1 : 0),
      click: function (event) {
        // Toggle show/hide popup
        toggleSpeechBubble();
        event.preventDefault();
      },
      keydown: function (event) {
        if (event.which === 32 || event.which === 13) { // Space & enter key
          // Toggle show/hide popup
          toggleSpeechBubble();
          event.stopPropagation();
          event.preventDefault();
        }
        else { // Any other key
          // Toggle hide popup
          toggleSpeechBubble(false);
        }
      },
      // Add markup to render icon
      html: '<span class="joubel-icon-tip-normal ' + (behaviour.helpIcon ? ' help-icon': '') + '">' +
              '<span class="h5p-icon-shadow"></span>' +
              '<span class="h5p-icon-speech-bubble"></span>' +
              '<span class="h5p-icon-info"></span>' +
            '</span>'
      // IMPORTANT: All of the markup elements must have 'pointer-events: none;'
    });

    const $tipAnnouncer = $('<div>', {
      'class': 'hidden-but-read',
      'aria-live': 'polite',
      appendTo: $tipButton,
    });

    /**
     * Tip button interaction handler.
     * Toggle show or hide the speech bubble popup when interacting with the
     * Tip button.
     *
     * @private
     * @param {boolean} [force] 'true' shows and 'false' hides.
     */
    var toggleSpeechBubble = function (force) {
      if (speechBubble !== undefined && speechBubble.isCurrent($tipButton)) {
        // Hide current popup
        speechBubble.remove();
        speechBubble = undefined;

        $tipButton.attr('aria-expanded', false);
        $tipAnnouncer.html('');
      }
      else if (force !== false && behaviour.showSpeechBubble) {
        // Create and show new popup
        speechBubble = H5P.JoubelSpeechBubble($tipButton, tipHtml);
        $tipButton.attr('aria-expanded', true);
        $tipAnnouncer.html(tipHtml);
      }
    };

    return $tipButton;
  }

  return JoubelTip;
})(H5P.jQuery);
;var H5P = H5P || {};

H5P.JoubelSlider = (function ($) {

  /**
   * Creates a new Slider
   *
   * @param {object} [params] Additional parameters
   */
  function JoubelSlider(params) {
    H5P.EventDispatcher.call(this);

    this.$slider = $('<div>', $.extend({
      'class': 'h5p-joubel-ui-slider'
    }, params));

    this.$slides = [];
    this.currentIndex = 0;
    this.numSlides = 0;
  }
  JoubelSlider.prototype = Object.create(H5P.EventDispatcher.prototype);
  JoubelSlider.prototype.constructor = JoubelSlider;

  JoubelSlider.prototype.addSlide = function ($content) {
    $content.addClass('h5p-joubel-ui-slide').css({
      'left': (this.numSlides*100) + '%'
    });
    this.$slider.append($content);
    this.$slides.push($content);

    this.numSlides++;

    if(this.numSlides === 1) {
      $content.addClass('current');
    }
  };

  JoubelSlider.prototype.attach = function ($container) {
    $container.append(this.$slider);
  };

  JoubelSlider.prototype.move = function (index) {
    var self = this;

    if(index === 0) {
      self.trigger('first-slide');
    }
    if(index+1 === self.numSlides) {
      self.trigger('last-slide');
    }
    self.trigger('move');

    var $previousSlide = self.$slides[this.currentIndex];
    H5P.Transition.onTransitionEnd(this.$slider, function () {
      $previousSlide.removeClass('current');
      self.trigger('moved');
    });
    this.$slides[index].addClass('current');

    var translateX = 'translateX(' + (-index*100) + '%)';
    this.$slider.css({
      '-webkit-transform': translateX,
      '-moz-transform': translateX,
      '-ms-transform': translateX,
      'transform': translateX
    });

    this.currentIndex = index;
  };

  JoubelSlider.prototype.remove = function () {
    this.$slider.remove();
  };

  JoubelSlider.prototype.next = function () {
    if(this.currentIndex+1 >= this.numSlides) {
      return;
    }

    this.move(this.currentIndex+1);
  };

  JoubelSlider.prototype.previous = function () {
    this.move(this.currentIndex-1);
  };

  JoubelSlider.prototype.first = function () {
    this.move(0);
  };

  JoubelSlider.prototype.last = function () {
    this.move(this.numSlides-1);
  };

  return JoubelSlider;
})(H5P.jQuery);
;var H5P = H5P || {};

/**
 * @module
 */
H5P.JoubelScoreBar = (function ($) {

  /* Need to use an id for the star SVG since that is the only way to reference
     SVG filters  */
  var idCounter = 0;

  /**
   * Creates a score bar
   * @class H5P.JoubelScoreBar
   * @param {number} maxScore  Maximum score
   * @param {string} [label] Makes it easier for readspeakers to identify the scorebar
   * @param {string} [helpText] Score explanation
   * @param {string} [scoreExplanationButtonLabel] Label for score explanation button
   */
  function JoubelScoreBar(maxScore, label, helpText, scoreExplanationButtonLabel) {
    var self = this;

    self.maxScore = maxScore;
    self.score = 0;
    idCounter++;

    /**
     * @const {string}
     */
    self.STAR_MARKUP = '<svg tabindex="-1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 63.77 53.87" aria-hidden="true" focusable="false">' +
        '<title>star</title>' +
        '<filter tabindex="-1" id="h5p-joubelui-score-bar-star-inner-shadow-' + idCounter + '" x0="-50%" y0="-50%" width="200%" height="200%">' +
          '<feGaussianBlur in="SourceAlpha" stdDeviation="3" result="blur"></feGaussianBlur>' +
          '<feOffset dy="2" dx="4"></feOffset>' +
          '<feComposite in2="SourceAlpha" operator="arithmetic" k2="-1" k3="1" result="shadowDiff"></feComposite>' +
          '<feFlood flood-color="#ffe95c" flood-opacity="1"></feFlood>' +
          '<feComposite in2="shadowDiff" operator="in"></feComposite>' +
          '<feComposite in2="SourceGraphic" operator="over" result="firstfilter"></feComposite>' +
          '<feGaussianBlur in="firstfilter" stdDeviation="3" result="blur2"></feGaussianBlur>' +
          '<feOffset dy="-2" dx="-4"></feOffset>' +
          '<feComposite in2="firstfilter" operator="arithmetic" k2="-1" k3="1" result="shadowDiff"></feComposite>' +
          '<feFlood flood-color="#ffe95c" flood-opacity="1"></feFlood>' +
          '<feComposite in2="shadowDiff" operator="in"></feComposite>' +
          '<feComposite in2="firstfilter" operator="over"></feComposite>' +
        '</filter>' +
        '<path tabindex="-1" class="h5p-joubelui-score-bar-star-shadow" d="M35.08,43.41V9.16H20.91v0L9.51,10.85,9,10.93C2.8,12.18,0,17,0,21.25a11.22,11.22,0,0,0,3,7.48l8.73,8.53-1.07,6.16Z"/>' +
        '<g tabindex="-1">' +
          '<path tabindex="-1" class="h5p-joubelui-score-bar-star-border" d="M61.36,22.8,49.72,34.11l2.78,16a2.6,2.6,0,0,1,.05.64c0,.85-.37,1.6-1.33,1.6A2.74,2.74,0,0,1,49.94,52L35.58,44.41,21.22,52a2.93,2.93,0,0,1-1.28.37c-.91,0-1.33-.75-1.33-1.6,0-.21.05-.43.05-.64l2.78-16L9.8,22.8A2.57,2.57,0,0,1,9,21.25c0-1,1-1.33,1.81-1.49l16.07-2.35L34.09,2.83c.27-.59.85-1.33,1.55-1.33s1.28.69,1.55,1.33l7.21,14.57,16.07,2.35c.75.11,1.81.53,1.81,1.49A3.07,3.07,0,0,1,61.36,22.8Z"/>' +
          '<path tabindex="-1" class="h5p-joubelui-score-bar-star-fill" d="M61.36,22.8,49.72,34.11l2.78,16a2.6,2.6,0,0,1,.05.64c0,.85-.37,1.6-1.33,1.6A2.74,2.74,0,0,1,49.94,52L35.58,44.41,21.22,52a2.93,2.93,0,0,1-1.28.37c-.91,0-1.33-.75-1.33-1.6,0-.21.05-.43.05-.64l2.78-16L9.8,22.8A2.57,2.57,0,0,1,9,21.25c0-1,1-1.33,1.81-1.49l16.07-2.35L34.09,2.83c.27-.59.85-1.33,1.55-1.33s1.28.69,1.55,1.33l7.21,14.57,16.07,2.35c.75.11,1.81.53,1.81,1.49A3.07,3.07,0,0,1,61.36,22.8Z"/>' +
          '<path tabindex="-1" filter="url(#h5p-joubelui-score-bar-star-inner-shadow-' + idCounter + ')" class="h5p-joubelui-score-bar-star-fill-full-score" d="M61.36,22.8,49.72,34.11l2.78,16a2.6,2.6,0,0,1,.05.64c0,.85-.37,1.6-1.33,1.6A2.74,2.74,0,0,1,49.94,52L35.58,44.41,21.22,52a2.93,2.93,0,0,1-1.28.37c-.91,0-1.33-.75-1.33-1.6,0-.21.05-.43.05-.64l2.78-16L9.8,22.8A2.57,2.57,0,0,1,9,21.25c0-1,1-1.33,1.81-1.49l16.07-2.35L34.09,2.83c.27-.59.85-1.33,1.55-1.33s1.28.69,1.55,1.33l7.21,14.57,16.07,2.35c.75.11,1.81.53,1.81,1.49A3.07,3.07,0,0,1,61.36,22.8Z"/>' +
        '</g>' +
      '</svg>';

    /**
     * @function appendTo
     * @memberOf H5P.JoubelScoreBar#
     * @param {H5P.jQuery}  $wrapper  Dom container
     */
    self.appendTo = function ($wrapper) {
      self.$scoreBar.appendTo($wrapper);
    };

    /**
     * Create the text representation of the scorebar .
     *
     * @private
     * @return {string}
     */
    var createLabel = function (score) {
      if (!label) {
        return '';
      }

      return label.replace(':num', score).replace(':total', self.maxScore);
    };

    /**
     * Creates the html for this widget
     *
     * @method createHtml
     * @private
     */
    var createHtml = function () {
      // Container div
      self.$scoreBar = $('<div>', {
        'class': 'h5p-joubelui-score-bar',
      });

      var $visuals = $('<div>', {
        'class': 'h5p-joubelui-score-bar-visuals',
        appendTo: self.$scoreBar
      });

      // The progress bar wrapper
      self.$progressWrapper = $('<div>', {
        'class': 'h5p-joubelui-score-bar-progress-wrapper',
        appendTo: $visuals
      });

      self.$progress = $('<div>', {
        'class': 'h5p-joubelui-score-bar-progress',
        'html': createLabel(self.score),
        appendTo: self.$progressWrapper
      });

      // The star
      $('<div>', {
        'class': 'h5p-joubelui-score-bar-star',
        html: self.STAR_MARKUP
      }).appendTo($visuals);

      // The score container
      var $numerics = $('<div>', {
        'class': 'h5p-joubelui-score-numeric',
        appendTo: self.$scoreBar,
        'aria-hidden': true
      });

      // The current score
      self.$scoreCounter = $('<span>', {
        'class': 'h5p-joubelui-score-number h5p-joubelui-score-number-counter',
        text: 0,
        appendTo: $numerics
      });

      // The separator
      $('<span>', {
        'class': 'h5p-joubelui-score-number-separator',
        text: '/',
        appendTo: $numerics
      });

      // Max score
      self.$maxScore = $('<span>', {
        'class': 'h5p-joubelui-score-number h5p-joubelui-score-max',
        text: self.maxScore,
        appendTo: $numerics
      });

      if (helpText) {
        H5P.JoubelUI.createTip(helpText, {
          tipLabel: scoreExplanationButtonLabel ? scoreExplanationButtonLabel : helpText,
          helpIcon: true
        }).appendTo(self.$scoreBar);
        self.$scoreBar.addClass('h5p-score-bar-has-help');
      }
    };

    /**
     * Set the current score
     * @method setScore
     * @memberOf H5P.JoubelScoreBar#
     * @param  {number} score
     */
    self.setScore = function (score) {
      // Do nothing if score hasn't changed
      if (score === self.score) {
        return;
      }
      self.score = score > self.maxScore ? self.maxScore : score;
      self.updateVisuals();
    };

    /**
     * Increment score
     * @method incrementScore
     * @memberOf H5P.JoubelScoreBar#
     * @param  {number=}        incrementBy Optional parameter, defaults to 1
     */
    self.incrementScore = function (incrementBy) {
      self.setScore(self.score + (incrementBy || 1));
    };

    /**
     * Set the max score
     * @method setMaxScore
     * @memberOf H5P.JoubelScoreBar#
     * @param  {number}    maxScore The max score
     */
    self.setMaxScore = function (maxScore) {
      self.maxScore = maxScore;
    };

    /**
     * Updates the progressbar visuals
     * @memberOf H5P.JoubelScoreBar#
     * @method updateVisuals
     */
    self.updateVisuals = function () {
      self.$progress.html(createLabel(self.score));
      self.$scoreCounter.text(self.score);
      self.$maxScore.text(self.maxScore);

      setTimeout(function () {
        // Start the progressbar animation
        self.$progress.css({
          width: ((self.score / self.maxScore) * 100) + '%'
        });

        H5P.Transition.onTransitionEnd(self.$progress, function () {
          // If fullscore fill the star and start the animation
          self.$scoreBar.toggleClass('h5p-joubelui-score-bar-full-score', self.score === self.maxScore);
          self.$scoreBar.toggleClass('h5p-joubelui-score-bar-animation-active', self.score === self.maxScore);

          // Only allow the star animation to run once
          self.$scoreBar.one("animationend", function() {
            self.$scoreBar.removeClass("h5p-joubelui-score-bar-animation-active");
          });
        }, 600);
      }, 300);
    };

    /**
     * Removes all classes
     * @method reset
     */
    self.reset = function () {
      self.$scoreBar.removeClass('h5p-joubelui-score-bar-full-score');
    };

    createHtml();
  }

  return JoubelScoreBar;
})(H5P.jQuery);
;var H5P = H5P || {};

H5P.JoubelProgressbar = (function ($) {

  /**
   * Joubel progressbar class
   * @method JoubelProgressbar
   * @constructor
   * @param  {number}          steps Number of steps
   * @param {Object} [options] Additional options
   * @param {boolean} [options.disableAria] Disable readspeaker assistance
   * @param {string} [options.progressText] A progress text for describing
   *  current progress out of total progress for readspeakers.
   *  e.g. "Slide :num of :total"
   */
  function JoubelProgressbar(steps, options) {
    H5P.EventDispatcher.call(this);
    var self = this;
    this.options = $.extend({
      progressText: 'Slide :num of :total'
    }, options);
    this.currentStep = 0;
    this.steps = steps;

    this.$progressbar = $('<div>', {
      'class': 'h5p-joubelui-progressbar'
    });
    this.$background = $('<div>', {
      'class': 'h5p-joubelui-progressbar-background'
    }).appendTo(this.$progressbar);
  }

  JoubelProgressbar.prototype = Object.create(H5P.EventDispatcher.prototype);
  JoubelProgressbar.prototype.constructor = JoubelProgressbar;

  JoubelProgressbar.prototype.updateAria = function () {
    var self = this;
    if (this.options.disableAria) {
      return;
    }

    if (!this.$currentStatus) {
      this.$currentStatus = $('<div>', {
        'class': 'h5p-joubelui-progressbar-slide-status-text',
        'aria-live': 'assertive'
      }).appendTo(this.$progressbar);
    }
    var interpolatedProgressText = self.options.progressText
      .replace(':num', self.currentStep)
      .replace(':total', self.steps);
    this.$currentStatus.html(interpolatedProgressText);
  };

  /**
   * Appends to a container
   * @method appendTo
   * @param  {H5P.jquery} $container
   */
  JoubelProgressbar.prototype.appendTo = function ($container) {
    this.$progressbar.appendTo($container);
  };

  /**
   * Update progress
   * @method setProgress
   * @param  {number}    step
   */
  JoubelProgressbar.prototype.setProgress = function (step) {
    // Check for valid value:
    if (step > this.steps || step < 0) {
      return;
    }
    this.currentStep = step;
    this.$background.css({
      width: ((this.currentStep/this.steps)*100) + '%'
    });

    this.updateAria();
  };

  /**
   * Increment progress with 1
   * @method next
   */
  JoubelProgressbar.prototype.next = function () {
    this.setProgress(this.currentStep+1);
  };

  /**
   * Reset progressbar
   * @method reset
   */
  JoubelProgressbar.prototype.reset = function () {
    this.setProgress(0);
  };

  /**
   * Check if last step is reached
   * @method isLastStep
   * @return {Boolean}
   */
  JoubelProgressbar.prototype.isLastStep = function () {
    return this.steps === this.currentStep;
  };

  return JoubelProgressbar;
})(H5P.jQuery);
;var H5P = H5P || {};

/**
 * H5P Joubel UI library.
 *
 * This is a utility library, which does not implement attach. I.e, it has to bee actively used by
 * other libraries
 * @module
 */
H5P.JoubelUI = (function ($) {

  /**
   * The internal object to return
   * @class H5P.JoubelUI
   * @static
   */
  function JoubelUI() {}

  /* Public static functions */

  /**
   * Create a tip icon
   * @method H5P.JoubelUI.createTip
   * @param  {string}  text   The textual tip
   * @param  {Object}  params Parameters
   * @return {H5P.JoubelTip}
   */
  JoubelUI.createTip = function (text, params) {
    return new H5P.JoubelTip(text, params);
  };

  /**
   * Create message dialog
   * @method H5P.JoubelUI.createMessageDialog
   * @param  {H5P.jQuery}               $container The dom container
   * @param  {string}                   message    The message
   * @return {H5P.JoubelMessageDialog}
   */
  JoubelUI.createMessageDialog = function ($container, message) {
    return new H5P.JoubelMessageDialog($container, message);
  };

  /**
   * Create help text dialog
   * @method H5P.JoubelUI.createHelpTextDialog
   * @param  {string}             header  The textual header
   * @param  {string}             message The textual message
   * @param  {string}             closeButtonTitle The title for the close button
   * @return {H5P.JoubelHelpTextDialog}
   */
  JoubelUI.createHelpTextDialog = function (header, message, closeButtonTitle) {
    return new H5P.JoubelHelpTextDialog(header, message, closeButtonTitle);
  };

  /**
   * Create progress circle
   * @method H5P.JoubelUI.createProgressCircle
   * @param  {number}             number          The progress (0 to 100)
   * @param  {string}             progressColor   The progress color in hex value
   * @param  {string}             fillColor       The fill color in hex value
   * @param  {string}             backgroundColor The background color in hex value
   * @return {H5P.JoubelProgressCircle}
   */
  JoubelUI.createProgressCircle = function (number, progressColor, fillColor, backgroundColor) {
    return new H5P.JoubelProgressCircle(number, progressColor, fillColor, backgroundColor);
  };

  /**
   * Create throbber for loading
   * @method H5P.JoubelUI.createThrobber
   * @return {H5P.JoubelThrobber}
   */
  JoubelUI.createThrobber = function () {
    return new H5P.JoubelThrobber();
  };

  /**
   * Create simple rounded button
   * @method H5P.JoubelUI.createSimpleRoundedButton
   * @param  {string}                  text The button label
   * @return {H5P.SimpleRoundedButton}
   */
  JoubelUI.createSimpleRoundedButton = function (text) {
    return new H5P.SimpleRoundedButton(text);
  };

  /**
   * Create Slider
   * @method H5P.JoubelUI.createSlider
   * @param  {Object} [params] Parameters
   * @return {H5P.JoubelSlider}
   */
  JoubelUI.createSlider = function (params) {
    return new H5P.JoubelSlider(params);
  };

  /**
   * Create Score Bar
   * @method H5P.JoubelUI.createScoreBar
   * @param  {number=}       maxScore The maximum score
   * @param {string} [label] Makes it easier for readspeakers to identify the scorebar
   * @return {H5P.JoubelScoreBar}
   */
  JoubelUI.createScoreBar = function (maxScore, label, helpText, scoreExplanationButtonLabel) {
    return new H5P.JoubelScoreBar(maxScore, label, helpText, scoreExplanationButtonLabel);
  };

  /**
   * Create Progressbar
   * @method H5P.JoubelUI.createProgressbar
   * @param  {number=}       numSteps The total numer of steps
   * @param {Object} [options] Additional options
   * @param {boolean} [options.disableAria] Disable readspeaker assistance
   * @param {string} [options.progressText] A progress text for describing
   *  current progress out of total progress for readspeakers.
   *  e.g. "Slide :num of :total"
   * @return {H5P.JoubelProgressbar}
   */
  JoubelUI.createProgressbar = function (numSteps, options) {
    return new H5P.JoubelProgressbar(numSteps, options);
  };

  /**
   * Create standard Joubel button
   *
   * @method H5P.JoubelUI.createButton
   * @param {object} params
   *  May hold any properties allowed by jQuery. If href is set, an A tag
   *  is used, if not a button tag is used.
   * @return {H5P.jQuery} The jquery element created
   */
  JoubelUI.createButton = function(params) {
    var type = 'button';
    if (params.href) {
      type = 'a';
    }
    else {
      params.type = 'button';
    }
    if (params.class) {
      params.class += ' h5p-joubelui-button';
    }
    else {
      params.class = 'h5p-joubelui-button';
    }
    return $('<' + type + '/>', params);
  };

  /**
   * Fix for iframe scoll bug in IOS. When focusing an element that doesn't have
   * focus support by default the iframe will scroll the parent frame so that
   * the focused element is out of view. This varies dependening on the elements
   * of the parent frame.
   */
  if (H5P.isFramed && !H5P.hasiOSiframeScrollFix &&
      /iPad|iPhone|iPod/.test(navigator.userAgent)) {
    H5P.hasiOSiframeScrollFix = true;

    // Keep track of original focus function
    var focus = HTMLElement.prototype.focus;

    // Override the original focus
    HTMLElement.prototype.focus = function () {
      // Only focus the element if it supports it natively
      if ( (this instanceof HTMLAnchorElement ||
            this instanceof HTMLInputElement ||
            this instanceof HTMLSelectElement ||
            this instanceof HTMLTextAreaElement ||
            this instanceof HTMLButtonElement ||
            this instanceof HTMLIFrameElement ||
            this instanceof HTMLAreaElement) && // HTMLAreaElement isn't supported by Safari yet.
          !this.getAttribute('role')) { // Focus breaks if a different role has been set
          // In theory this.isContentEditable should be able to recieve focus,
          // but it didn't work when tested.

        // Trigger the original focus with the proper context
        focus.call(this);
      }
    };
  }

  return JoubelUI;
})(H5P.jQuery);
;H5P.Tooltip = H5P.Tooltip || function() {};

H5P.Question = (function ($, EventDispatcher, JoubelUI) {

  /**
   * Extending this class make it alot easier to create tasks for other
   * content types.
   *
   * @class H5P.Question
   * @extends H5P.EventDispatcher
   * @param {string} type
   */
  function Question(type) {
    var self = this;

    // Inheritance
    EventDispatcher.call(self);

    // Register default section order
    self.order = ['video', 'image', 'audio', 'introduction', 'content', 'explanation', 'feedback', 'scorebar', 'buttons', 'read'];

    // Keep track of registered sections
    var sections = {};

    // Buttons
    var buttons = {};
    var buttonOrder = [];

    // Wrapper when attached
    var $wrapper;

    // Click element
    var clickElement;

    // ScoreBar
    var scoreBar;

    // Keep track of the feedback's visual status.
    var showFeedback;

    // Keep track of which buttons are scheduled for hiding.
    var buttonsToHide = [];

    // Keep track of which buttons are scheduled for showing.
    var buttonsToShow = [];

    // Keep track of the hiding and showing of buttons.
    var toggleButtonsTimer;
    var toggleButtonsTransitionTimer;
    var buttonTruncationTimer;

    // Keeps track of initialization of question
    var initialized = false;

    /**
     * @type {Object} behaviour Behaviour of Question
     * @property {Boolean} behaviour.disableFeedback Set to true to disable feedback section
     */
    var behaviour = {
      disableFeedback: false,
      disableReadSpeaker: false
    };

    // Keeps track of thumb state
    var imageThumb = true;

    // Keeps track of image transitions
    var imageTransitionTimer;

    // Keep track of whether sections is transitioning.
    var sectionsIsTransitioning = false;

    // Keep track of auto play state
    var disableAutoPlay = false;

    // Feedback transition timer
    var feedbackTransitionTimer;

    // Used when reading messages to the user
    var $read, readText;

    /**
     * Register section with given content.
     *
     * @private
     * @param {string} section ID of the section
     * @param {(string|H5P.jQuery)} [content]
     */
    var register = function (section, content) {
      sections[section] = {};
      var $e = sections[section].$element = $('<div/>', {
        'class': 'h5p-question-' + section,
      });
      if (content) {
        $e[content instanceof $ ? 'append' : 'html'](content);
      }
    };

    /**
     * Update registered section with content.
     *
     * @private
     * @param {string} section ID of the section
     * @param {(string|H5P.jQuery)} content
     */
    var update = function (section, content) {
      if (content instanceof $) {
        sections[section].$element.html('').append(content);
      }
      else {
        sections[section].$element.html(content);
      }
    };

    /**
     * Insert element with given ID into the DOM.
     *
     * @private
     * @param {array|Array|string[]} order
     * List with ordered element IDs
     * @param {string} id
     * ID of the element to be inserted
     * @param {Object} elements
     * Maps ID to the elements
     * @param {H5P.jQuery} $container
     * Parent container of the elements
     */
    var insert = function (order, id, elements, $container) {
      // Try to find an element id should be after
      for (var i = 0; i < order.length; i++) {
        if (order[i] === id) {
          // Found our pos
          while (i > 0 &&
          (elements[order[i - 1]] === undefined ||
          !elements[order[i - 1]].isVisible)) {
            i--;
          }
          if (i === 0) {
            // We are on top.
            elements[id].$element.prependTo($container);
          }
          else {
            // Add after element
            elements[id].$element.insertAfter(elements[order[i - 1]].$element);
          }
          elements[id].isVisible = true;
          break;
        }
      }
    };

    /**
     * Make feedback into a popup and position relative to click.
     *
     * @private
     * @param {string} [closeText] Text for the close button
     */
    var makeFeedbackPopup = function (closeText) {
      var $element = sections.feedback.$element;
      var $parent = sections.content.$element;
      var $click = (clickElement != null ? clickElement.$element : null);

      $element.appendTo($parent).addClass('h5p-question-popup');

      if (sections.scorebar) {
        sections.scorebar.$element.appendTo($element);
      }

      $parent.addClass('h5p-has-question-popup');

      // Draw the tail
      var $tail = $('<div/>', {
        'class': 'h5p-question-feedback-tail'
      }).hide()
        .appendTo($parent);

      // Draw the close button
      var $close = $('<div/>', {
        'class': 'h5p-question-feedback-close',
        'tabindex': 0,
        'title': closeText,
        on: {
          click: function (event) {
            $element.remove();
            $tail.remove();
            event.preventDefault();
          },
          keydown: function (event) {
            switch (event.which) {
              case 13: // Enter
              case 32: // Space
                $element.remove();
                $tail.remove();
                event.preventDefault();
            }
          }
        }
      }).hide().appendTo($element);

      if ($click != null) {
        if ($click.hasClass('correct')) {
          $element.addClass('h5p-question-feedback-correct');
          $close.show();
          sections.buttons.$element.hide();
        }
        else {
          sections.buttons.$element.appendTo(sections.feedback.$element);
        }
      }

      positionFeedbackPopup($element, $click);
    };

    /**
     * Position the feedback popup.
     *
     * @private
     * @param {H5P.jQuery} $element Feedback div
     * @param {H5P.jQuery} $click Visual click div
     */
    var positionFeedbackPopup = function ($element, $click) {
      var $container = $element.parent();
      var $tail = $element.siblings('.h5p-question-feedback-tail');
      var popupWidth = $element.outerWidth();
      var popupHeight = setElementHeight($element);
      var space = 15;
      var disableTail = false;
      var positionY = $container.height() / 2 - popupHeight / 2;
      var positionX = $container.width() / 2 - popupWidth / 2;
      var tailX = 0;
      var tailY = 0;
      var tailRotation = 0;

      if ($click != null) {
        // Edge detection for click, takes space into account
        var clickNearTop = ($click[0].offsetTop < space);
        var clickNearBottom = ($click[0].offsetTop + $click.height() > $container.height() - space);
        var clickNearLeft = ($click[0].offsetLeft < space);
        var clickNearRight = ($click[0].offsetLeft + $click.width() > $container.width() - space);

        // Click is not in a corner or close to edge, calculate position normally
        positionX = $click[0].offsetLeft - popupWidth / 2  + $click.width() / 2;
        positionY = $click[0].offsetTop - popupHeight - space;
        tailX = positionX + popupWidth / 2 - $tail.width() / 2;
        tailY = positionY + popupHeight - ($tail.height() / 2);
        tailRotation = 225;

        // If popup is outside top edge, position under click instead
        if (popupHeight + space > $click[0].offsetTop) {
          positionY = $click[0].offsetTop + $click.height() + space;
          tailY = positionY - $tail.height() / 2 ;
          tailRotation = 45;
        }

        // If popup is outside left edge, position left
        if (positionX < 0) {
          positionX = 0;
        }

        // If popup is outside right edge, position right
        if (positionX + popupWidth > $container.width()) {
          positionX = $container.width() - popupWidth;
        }

        // Special cases such as corner clicks, or close to an edge, they override X and Y positions if met
        if (clickNearTop && (clickNearLeft || clickNearRight)) {
          positionX = $click[0].offsetLeft + (clickNearLeft ? $click.width() : -popupWidth);
          positionY = $click[0].offsetTop + $click.height();
          disableTail = true;
        }
        else if (clickNearBottom && (clickNearLeft || clickNearRight)) {
          positionX = $click[0].offsetLeft + (clickNearLeft ? $click.width() : -popupWidth);
          positionY = $click[0].offsetTop - popupHeight;
          disableTail = true;
        }
        else if (!clickNearTop && !clickNearBottom) {
          if (clickNearLeft || clickNearRight) {
            positionY = $click[0].offsetTop - popupHeight / 2 + $click.width() / 2;
            positionX = $click[0].offsetLeft + (clickNearLeft ? $click.width() + space : -popupWidth + -space);
            // Make sure this does not position the popup off screen
            if (positionX < 0) {
              positionX = 0;
              disableTail = true;
            }
            else {
              tailX = positionX + (clickNearLeft ? - $tail.width() / 2 : popupWidth - $tail.width() / 2);
              tailY = positionY + popupHeight / 2 - $tail.height() / 2;
              tailRotation = (clickNearLeft ? 315 : 135);
            }
          }
        }

        // Contain popup from overflowing bottom edge
        if (positionY + popupHeight > $container.height()) {
          positionY = $container.height() - popupHeight;

          if (popupHeight > $container.height() - ($click[0].offsetTop + $click.height() + space)) {
            disableTail = true;
          }
        }
      }
      else {
        disableTail = true;
      }

      // Contain popup from ovreflowing top edge
      if (positionY < 0) {
        positionY = 0;
      }

      $element.css({top: positionY, left: positionX});
      $tail.css({top: tailY, left: tailX});

      if (!disableTail) {
        $tail.css({
          'left': tailX,
          'top': tailY,
          'transform': 'rotate(' + tailRotation + 'deg)'
        }).show();
      }
      else {
        $tail.hide();
      }
    };

    /**
     * Set element max height, used for animations.
     *
     * @param {H5P.jQuery} $element
     */
    var setElementHeight = function ($element) {
      if (!$element.is(':visible')) {
        // No animation
        $element.css('max-height', 'none');
        return;
      }

      // If this element is shown in the popup, we can't set width to 100%,
      // since it already has a width set in CSS
      var isFeedbackPopup = $element.hasClass('h5p-question-popup');

      // Get natural element height
      var $tmp = $element.clone()
        .css({
          'position': 'absolute',
          'max-height': 'none',
          'width': isFeedbackPopup ? '' : '100%'
        })
        .appendTo($element.parent());

      // Need to take margins into account when calculating available space
      var sideMargins = parseFloat($element.css('margin-left'))
        + parseFloat($element.css('margin-right'));
      var tmpElWidth = $tmp.css('width') ? $tmp.css('width') : '100%';
      $tmp.css('width', 'calc(' + tmpElWidth + ' - ' + sideMargins + 'px)');

      // Apply height to element
      var h = Math.round($tmp.get(0).getBoundingClientRect().height);
      var fontSize = parseFloat($element.css('fontSize'));
      var relativeH = h / fontSize;
      $element.css('max-height', relativeH + 'em');
      $tmp.remove();

      if (h > 0 && sections.buttons && sections.buttons.$element === $element) {
        // Make sure buttons section is visible
        showSection(sections.buttons);

        // Resize buttons after resizing button section
        setTimeout(resizeButtons, 150);
      }
      return h;
    };

    /**
     * Does the actual job of hiding the buttons scheduled for hiding.
     *
     * @private
     * @param {boolean} [relocateFocus] Find a new button to focus
     */
    var hideButtons = function (relocateFocus) {
      for (var i = 0; i < buttonsToHide.length; i++) {
        hideButton(buttonsToHide[i].id);
      }
      buttonsToHide = [];

      if (relocateFocus) {
        self.focusButton();
      }
    };

    /**
     * Does the actual hiding.
     * @private
     * @param {string} buttonId
     */
    var hideButton = function (buttonId) {
      // Using detach() vs hide() makes it harder to cheat.
      buttons[buttonId].$element.detach();
      buttons[buttonId].isVisible = false;
    };

    /**
     * Shows the buttons on the next tick. This is to avoid buttons flickering
     * If they're both added and removed on the same tick.
     *
     * @private
     */
    var toggleButtons = function () {
      // If no buttons section, return
      if (sections.buttons === undefined) {
        return;
      }

      // Clear transition timer, reevaluate if buttons will be detached
      clearTimeout(toggleButtonsTransitionTimer);

      // Show buttons
      for (var i = 0; i < buttonsToShow.length; i++) {
        insert(buttonOrder, buttonsToShow[i].id, buttons, sections.buttons.$element);
        buttons[buttonsToShow[i].id].isVisible = true;
      }
      buttonsToShow = [];

      // Hide buttons
      var numToHide = 0;
      var relocateFocus = false;
      for (var j = 0; j < buttonsToHide.length; j++) {
        var button = buttons[buttonsToHide[j].id];
        if (button.isVisible) {
          numToHide += 1;
        }
        if (button.$element.is(':focus')) {
          // Move focus to the first visible button.
          relocateFocus = true;
        }
      }

      var animationTimer = 150;
      if (sections.feedback && sections.feedback.$element.hasClass('h5p-question-popup')) {
        animationTimer = 0;
      }

      if (numToHide === sections.buttons.$element.children().length) {
        // All buttons are going to be hidden. Hide container using transition.
        hideSection(sections.buttons);
        // Detach buttons
        hideButtons(relocateFocus);
      }
      else {
        hideButtons(relocateFocus);

        // Show button section
        if (!sections.buttons.$element.is(':empty')) {
          showSection(sections.buttons);
          setElementHeight(sections.buttons.$element);

          // Trigger resize after animation
          toggleButtonsTransitionTimer = setTimeout(function () {
            self.trigger('resize');
          }, animationTimer);
        }

        // Resize buttons to fit container
        resizeButtons();
      }

      toggleButtonsTimer = undefined;
    };

    /**
     * Allows for scaling of the question image.
     */
    var scaleImage = function () {
      var $imgSection = sections.image.$element;
      clearTimeout(imageTransitionTimer);

      // Add this here to avoid initial transition of the image making
      // content overflow. Alternatively we need to trigger a resize.
      $imgSection.addClass('animatable');

      if (imageThumb) {

        // Expand image
        $(this).attr('aria-expanded', true);
        $imgSection.addClass('h5p-question-image-fill-width');
        imageThumb = false;

        imageTransitionTimer = setTimeout(function () {
          self.trigger('resize');
        }, 600);
      }
      else {

        // Scale down image
        $(this).attr('aria-expanded', false);
        $imgSection.removeClass('h5p-question-image-fill-width');
        imageThumb = true;

        imageTransitionTimer = setTimeout(function () {
          self.trigger('resize');
        }, 600);
      }
    };

    /**
     * Get scrollable ancestor of element
     *
     * @private
     * @param {H5P.jQuery} $element
     * @param {Number} [currDepth=0] Current recursive calls to ancestor, stop at maxDepth
     * @param {Number} [maxDepth=5] Maximum depth for finding ancestor.
     * @returns {H5P.jQuery} Parent element that is scrollable
     */
    var findScrollableAncestor = function ($element, currDepth, maxDepth) {
      if (!currDepth) {
        currDepth = 0;
      }
      if (!maxDepth) {
        maxDepth = 5;
      }
      // Check validation of element or if we have reached document root
      if (!$element || !($element instanceof $) || document === $element.get(0) || currDepth >= maxDepth) {
        return;
      }

      if ($element.css('overflow-y') === 'auto') {
        return $element;
      }
      else {
        return findScrollableAncestor($element.parent(), currDepth + 1, maxDepth);
      }
    };

    /**
     * Scroll to bottom of Question.
     *
     * @private
     */
    var scrollToBottom = function () {
      if (!$wrapper || ($wrapper.hasClass('h5p-standalone') && !H5P.isFullscreen)) {
        return; // No scroll
      }

      var scrollableAncestor = findScrollableAncestor($wrapper);

      // Scroll to bottom of scrollable ancestor
      if (scrollableAncestor) {
        scrollableAncestor.animate({
          scrollTop: $wrapper.css('height')
        }, "slow");
      }
    };

    /**
     * Resize buttons to fit container width
     *
     * @private
     */
    var resizeButtons = function () {
      if (!buttons || !sections.buttons) {
        return;
      }

      var go = function () {
        // Don't do anything if button elements are not visible yet
        if (!sections.buttons.$element.is(':visible')) {
          return;
        }

        // Width of all buttons
        var buttonsWidth = {
          max: 0,
          min: 0,
          current: 0
        };

        for (var i in buttons) {
          var button = buttons[i];
          if (button.isVisible) {
            setButtonWidth(buttons[i]);
            buttonsWidth.max += button.width.max;
            buttonsWidth.min += button.width.min;
            buttonsWidth.current += button.isTruncated ? button.width.min : button.width.max;
          }
        }

        var makeButtonsFit = function (availableWidth) {
          if (buttonsWidth.max < availableWidth) {
            // It is room for everyone on the right side of the score bar (without truncating)
            if (buttonsWidth.max !== buttonsWidth.current) {
              // Need to make everyone big
              restoreButtonLabels(buttonsWidth.current, availableWidth);
            }
            return true;
          }
          else if (buttonsWidth.min < availableWidth) {
            // Is it room for everyone on the right side of the score bar with truncating?
            if (buttonsWidth.current > availableWidth) {
              removeButtonLabels(buttonsWidth.current, availableWidth);
            }
            else {
              restoreButtonLabels(buttonsWidth.current, availableWidth);
            }
            return true;
          }
          return false;
        };

        toggleFullWidthScorebar(false);

        var buttonSectionWidth = Math.floor(sections.buttons.$element.width()) - 1;

        if (!makeButtonsFit(buttonSectionWidth)) {
          // If we get here we need to wrap:
          toggleFullWidthScorebar(true);
          buttonSectionWidth = Math.floor(sections.buttons.$element.width()) - 1;
          makeButtonsFit(buttonSectionWidth);
        }
      };

      // If visible, resize right away
      if (sections.buttons.$element.is(':visible')) {
        go();
      }
      else { // If not visible, try on the next tick
        // Clear button truncation timer if within a button truncation function
        if (buttonTruncationTimer) {
          clearTimeout(buttonTruncationTimer);
        }
        buttonTruncationTimer = setTimeout(function () {
          buttonTruncationTimer = undefined;
          go();
        }, 0);
      }
    };

    var toggleFullWidthScorebar = function (enabled) {
      if (sections.scorebar &&
          sections.scorebar.$element &&
          sections.scorebar.$element.hasClass('h5p-question-visible')) {
        sections.buttons.$element.addClass('has-scorebar');
        sections.buttons.$element.toggleClass('wrap', enabled);
        sections.scorebar.$element.toggleClass('full-width', enabled);
      }
      else {
        sections.buttons.$element.removeClass('has-scorebar');
      }
    };

    /**
     * Remove button labels until they use less than max width.
     *
     * @private
     * @param {Number} buttonsWidth Total width of all buttons
     * @param {Number} maxButtonsWidth Max width allowed for buttons
     */
    var removeButtonLabels = function (buttonsWidth, maxButtonsWidth) {
      // Reverse traversal
      for (var i = buttonOrder.length - 1; i >= 0; i--) {
        var buttonId = buttonOrder[i];
        var button = buttons[buttonId];
        if (!button.isTruncated && button.isVisible) {
          var $button = button.$element;
          buttonsWidth -= button.width.max - button.width.min;
          // Set tooltip (needed by H5P.Tooltip)
          let buttonText = $button.text();
          $button.attr('data-tooltip', buttonText);

          // Use button text as aria label if a specific one isn't provided
          if (!button.ariaLabel) {
            $button.attr('aria-label', buttonText);
          }
          // Remove label
          $button.html('').addClass('truncated');
          button.isTruncated = true;
          if (buttonsWidth <= maxButtonsWidth) {
            // Buttons are small enough.
            return;
          }
        }
      }
    };

    /**
     * Restore button labels until it fills maximum possible width without exceeding the max width.
     *
     * @private
     * @param {Number} buttonsWidth Total width of all buttons
     * @param {Number} maxButtonsWidth Max width allowed for buttons
     */
    var restoreButtonLabels = function (buttonsWidth, maxButtonsWidth) {
      for (var i = 0; i < buttonOrder.length; i++) {
        var buttonId = buttonOrder[i];
        var button = buttons[buttonId];
        if (button.isTruncated && button.isVisible) {
          // Calculate new total width of buttons with a static pixel for consistency cross-browser
          buttonsWidth += button.width.max - button.width.min + 1;

          if (buttonsWidth > maxButtonsWidth) {
            return;
          }
          // Restore label
          button.$element.html(button.text);

          // Remove tooltip (used by H5P.Tooltip)
          button.$element.removeAttr('data-tooltip');

          // Remove aria-label if a specific one isn't provided
          if (!button.ariaLabel) {
            button.$element.removeAttr('aria-label');
          }

          button.$element.removeClass('truncated');
          button.isTruncated = false;
        }
      }
    };

    /**
     * Helper function for finding index of keyValue in array
     *
     * @param {String} keyValue Value to be found
     * @param {String} key In key
     * @param {Array} array In array
     * @returns {number}
     */
    var existsInArray = function (keyValue, key, array) {
      var i;
      for (i = 0; i < array.length; i++) {
        if (array[i][key] === keyValue) {
          return i;
        }
      }
      return -1;
    };

    /**
     * Show a section
     * @param {Object} section
     */
    var showSection = function (section) {
      section.$element.addClass('h5p-question-visible');
      section.isVisible = true;
    };

    /**
     * Hide a section
     * @param {Object} section
     */
    var hideSection = function (section) {
      section.$element.css('max-height', '');
      section.isVisible = false;

      setTimeout(function () {
        // Only hide if section hasn't been set to visible in the meantime
        if (!section.isVisible) {
          section.$element.removeClass('h5p-question-visible');
        }
      }, 150);
    };

    /**
     * Set behaviour for question.
     *
     * @param {Object} options An object containing behaviour that will be extended by Question
     */
    self.setBehaviour = function (options) {
      $.extend(behaviour, options);
    };

    /**
     * A video to display above the task.
     *
     * @param {object} params
     */
    self.setVideo = function (params) {
      sections.video = {
        $element: $('<div/>', {
          'class': 'h5p-question-video'
        })
      };

      if (disableAutoPlay && params.params.playback) {
        params.params.playback.autoplay = false;
      }

      // Never fit to wrapper
      if (!params.params.visuals) {
        params.params.visuals = {};
      }
      params.params.visuals.fit = false;
      sections.video.instance = H5P.newRunnable(params, self.contentId, sections.video.$element, true);
      var fromVideo = false; // Hack to avoid never ending loop
      sections.video.instance.on('resize', function () {
        fromVideo = true;
        self.trigger('resize');
        fromVideo = false;
      });
      self.on('resize', function () {
        if (!fromVideo) {
          sections.video.instance.trigger('resize');
        }
      });

      return self;
    };

    /**
     * An audio player to display above the task.
     *
     * @param {object} params
     */
    self.setAudio = function (params) {
      params.params = params.params || {};

      sections.audio = {
        $element: $('<div/>', {
          'class': 'h5p-question-audio',
        })
      };

      if (disableAutoPlay) {
        params.params.autoplay = false;
      }
      else if (params.params.playerMode === 'transparent') {
        params.params.autoplay = true; // false doesn't make sense for transparent audio
      }

      sections.audio.instance = H5P.newRunnable(params, self.contentId, sections.audio.$element, true);
      // The height value that is set by H5P.Audio is counter-productive here.
      if (sections.audio.instance.audio) {
        sections.audio.instance.audio.style.height = '';
      }

      return self;
    };

    /**
     * Will stop any playback going on in the task.
     */
    self.pause = function () {
      if (sections.video && sections.video.isVisible) {
        sections.video.instance.pause();
      }
      if (sections.audio && sections.audio.isVisible) {
        sections.audio.instance.pause();
      }
    };

    /**
     * Start playback of video
     */
    self.play = function () {
      if (sections.video && sections.video.isVisible) {
        sections.video.instance.play();
      }
      if (sections.audio && sections.audio.isVisible) {
        sections.audio.instance.play();
      }
    };

    /**
     * Disable auto play, useful in editors.
     */
    self.disableAutoPlay = function () {
      disableAutoPlay = true;
    };

    /**
     * Process HTML escaped string for use as attribute value,
     * e.g. for alt text or title attributes.
     *
     * @param {string} value
     * @return {string} WARNING! Do NOT use for innerHTML.
     */
    self.massageAttributeOutput = function (value) {
      const dparser = new DOMParser().parseFromString(value, 'text/html');
      const div = document.createElement('div');
      div.innerHTML = dparser.documentElement.textContent;;
      return div.textContent || div.innerText || '';
    };

    /**
     * Add task image.
     *
     * @param {string} path Relative
     * @param {Object} [options] Options object
     * @param {string} [options.alt] Text representation
     * @param {string} [options.title] Hover text
     * @param {Boolean} [options.disableImageZooming] Set as true to disable image zooming
     * @param {string} [options.expandImage] Localization strings
     * @param {string} [options.minimizeImage] Localization string

     */
    self.setImage = function (path, options) {
      options = options ? options : {};
      sections.image = {};
      // Image container
      sections.image.$element = $('<div/>', {
        'class': 'h5p-question-image h5p-question-image-fill-width'
      });

      // Inner wrap
      var $imgWrap = $('<div/>', {
        'class': 'h5p-question-image-wrap',
        appendTo: sections.image.$element
      });

      // Image element
      var $img = $('<img/>', {
        src: H5P.getPath(path, self.contentId),
        alt: (options.alt === undefined ? '' : self.massageAttributeOutput(options.alt)),
        title: (options.title === undefined ? '' : self.massageAttributeOutput(options.title)),
        on: {
          load: function () {
            self.trigger('imageLoaded', this);
            self.trigger('resize');
          }
        },
        appendTo: $imgWrap
      });

      // Disable image zooming
      if (options.disableImageZooming) {
        $img.css('maxHeight', 'none');

        // Make sure we are using the correct amount of width at all times
        var determineImgWidth = function () {

          // Remove margins if natural image width is bigger than section width
          var imageSectionWidth = sections.image.$element.get(0).getBoundingClientRect().width;

          // Do not transition, for instant measurements
          $imgWrap.css({
            '-webkit-transition': 'none',
            'transition': 'none'
          });

          // Margin as translateX on both sides of image.
          var diffX = 2 * ($imgWrap.get(0).getBoundingClientRect().left -
            sections.image.$element.get(0).getBoundingClientRect().left);

          if ($img.get(0).naturalWidth >= imageSectionWidth - diffX) {
            sections.image.$element.addClass('h5p-question-image-fill-width');
          }
          else { // Use margin for small res images
            sections.image.$element.removeClass('h5p-question-image-fill-width');
          }

          // Reset transition rules
          $imgWrap.css({
            '-webkit-transition': '',
            'transition': ''
          });
        };

        // Determine image width
        if ($img.is(':visible')) {
          determineImgWidth();
        }
        else {
          $img.on('load', determineImgWidth);
        }

        // Skip adding zoom functionality
        return;
      }

      const setAriaLabel = () => {
        const ariaLabel = $imgWrap.attr('aria-expanded') === 'true'
          ? options.minimizeImage 
          : options.expandImage;
          
          $imgWrap.attr('aria-label', `${ariaLabel} ${options.alt}`);
        };

      var sizeDetermined = false;
      var determineSize = function () {
        if (sizeDetermined || !$img.is(':visible')) {
          return; // Try again next time.
        }

        $imgWrap.addClass('h5p-question-image-scalable')
          .attr('aria-expanded', false)
          .attr('role', 'button')
          .attr('tabIndex', '0')
          .on('click', function (event) {
            if (event.which === 1) {
              scaleImage.apply(this); // Left mouse button click
              setAriaLabel();
            }
          }).on('keypress', function (event) {
            if (event.which === 32) {
              event.preventDefault(); // Prevent default behaviour; page scroll down
              scaleImage.apply(this); // Space bar pressed
              setAriaLabel();
            }
          });

        setAriaLabel();

        sections.image.$element.removeClass('h5p-question-image-fill-width');

        sizeDetermined  = true; // Prevent any futher events
      };

      self.on('resize', determineSize);

      return self;
    };

    /**
     * Add the introduction section.
     *
     * @param {(string|H5P.jQuery)} content
     */
    self.setIntroduction = function (content) {
      register('introduction', content);

      return self;
    };

    /**
     * Add the content section.
     *
     * @param {(string|H5P.jQuery)} content
     * @param {Object} [options]
     * @param {string} [options.class]
     */
    self.setContent = function (content, options) {
      register('content', content);

      if (options && options.class) {
        sections.content.$element.addClass(options.class);
      }

      return self;
    };

    /**
     * Force readspeaker to read text. Useful when you have to use
     * setTimeout for animations.
     */
    self.read = function (content) {
      if (!$read) {
        return; // Not ready yet
      }

      if (readText) {
        // Combine texts if called multiple times
        readText += (readText.substr(-1, 1) === '.' ? ' ' : '. ') + content;
      }
      else {
        readText = content;
      }

      // Set text
      $read.html(readText);

      setTimeout(function () {
        // Stop combining when done reading
        readText = null;
        $read.html('');
      }, 100);
    };

    /**
     * Read feedback
     */
    self.readFeedback = function () {
      var invalidFeedback =
        behaviour.disableReadSpeaker ||
        !showFeedback ||
        !sections.feedback ||
        !sections.feedback.$element;

      if (invalidFeedback) {
        return;
      }

      var $feedbackText = $('.h5p-question-feedback-content-text', sections.feedback.$element);
      if ($feedbackText && $feedbackText.html() && $feedbackText.html().length) {
        self.read($feedbackText.html());
      }
    };

    /**
     * Remove feedback
     *
     * @return {H5P.Question}
     */
    self.removeFeedback = function () {

      clearTimeout(feedbackTransitionTimer);

      if (sections.feedback && showFeedback) {

        showFeedback = false;

        // Hide feedback & scorebar
        hideSection(sections.scorebar);
        hideSection(sections.feedback);

        sectionsIsTransitioning = true;

        // Detach after transition
        feedbackTransitionTimer = setTimeout(function () {
          // Avoiding Transition.onTransitionEnd since it will register multiple events, and there's no way to cancel it if the transition changes back to "show" while the animation is happening.
          if (!showFeedback) {
            sections.feedback.$element.children().detach();
            sections.scorebar.$element.children().detach();

            // Trigger resize after animation
            self.trigger('resize');
          }
          sectionsIsTransitioning = false;
          scoreBar.setScore(0);
        }, 150);

        if ($wrapper) {
          $wrapper.find('.h5p-question-feedback-tail').remove();
        }
      }

      return self;
    };

    /**
     * Set feedback message.
     *
     * @param {string} [content]
     * @param {number} score The score
     * @param {number} maxScore The maximum score for this question
     * @param {string} [scoreBarLabel] Makes it easier for readspeakers to identify the scorebar
     * @param {string} [helpText] Help text that describes the score inside a tip icon
     * @param {object} [popupSettings] Extra settings for popup feedback
     * @param {boolean} [popupSettings.showAsPopup] Should the feedback display as popup?
     * @param {string} [popupSettings.closeText] Translation for close button text
     * @param {object} [popupSettings.click] Element representing where user clicked on screen
     */
    self.setFeedback = function (content, score, maxScore, scoreBarLabel, helpText, popupSettings, scoreExplanationButtonLabel) {
      // Feedback is disabled
      if (behaviour.disableFeedback) {
        return self;
      }

      // Need to toggle buttons right away to avoid flickering/blinking
      // Note: This means content types should invoke hide/showButton before setFeedback
      toggleButtons();

      clickElement = (popupSettings != null && popupSettings.click != null ? popupSettings.click : null);
      clearTimeout(feedbackTransitionTimer);

      var $feedback = $('<div>', {
        'class': 'h5p-question-feedback-container'
      });

      var $feedbackContent = $('<div>', {
        'class': 'h5p-question-feedback-content'
      }).appendTo($feedback);

      // Feedback text
      $('<div>', {
        'class': 'h5p-question-feedback-content-text',
        'html': content
      }).appendTo($feedbackContent);

      var $scorebar = $('<div>', {
        'class': 'h5p-question-scorebar-container'
      });
      if (scoreBar === undefined) {
        scoreBar = JoubelUI.createScoreBar(maxScore, scoreBarLabel, helpText, scoreExplanationButtonLabel);
      }
      scoreBar.appendTo($scorebar);

      $feedbackContent.toggleClass('has-content', content !== undefined && content.length > 0);

      // Feedback for readspeakers
      if (!behaviour.disableReadSpeaker && scoreBarLabel) {
        self.read(scoreBarLabel.replace(':num', score).replace(':total', maxScore) + '. ' + (content ? content : ''));
      }

      showFeedback = true;
      if (sections.feedback) {
        // Update section
        update('feedback', $feedback);
        update('scorebar', $scorebar);
      }
      else {
        // Create section
        register('feedback', $feedback);
        register('scorebar', $scorebar);
        if (initialized && $wrapper) {
          insert(self.order, 'feedback', sections, $wrapper);
          insert(self.order, 'scorebar', sections, $wrapper);
        }
      }

      showSection(sections.feedback);
      showSection(sections.scorebar);

      resizeButtons();

      if (popupSettings != null && popupSettings.showAsPopup == true) {
        makeFeedbackPopup(popupSettings.closeText);
        scoreBar.setScore(score);
      }
      else {
        // Show feedback section
        feedbackTransitionTimer = setTimeout(function () {
          setElementHeight(sections.feedback.$element);
          setElementHeight(sections.scorebar.$element);
          sectionsIsTransitioning = true;

          // Scroll to bottom after showing feedback
          scrollToBottom();

          // Trigger resize after animation
          feedbackTransitionTimer = setTimeout(function () {
            sectionsIsTransitioning = false;
            self.trigger('resize');
            scoreBar.setScore(score);
          }, 150);
        }, 0);
      }

      return self;
    };

    /**
     * Set feedback content (no animation).
     *
     * @param {string} content
     * @param {boolean} [extendContent] True will extend content, instead of replacing it
     */
    self.updateFeedbackContent = function (content, extendContent) {
      if (sections.feedback && sections.feedback.$element) {

        if (extendContent) {
          content = $('.h5p-question-feedback-content', sections.feedback.$element).html() + ' ' + content;
        }

        // Update feedback content html
        $('.h5p-question-feedback-content', sections.feedback.$element).html(content).addClass('has-content');

        // Make sure the height is correct
        setElementHeight(sections.feedback.$element);

        // Need to trigger resize when feedback has finished transitioning
        setTimeout(self.trigger.bind(self, 'resize'), 150);
      }

      return self;
    };

    /**
     * Set the content of the explanation / feedback panel
     *
     * @param {Object} data
     * @param {string} data.correct
     * @param {string} data.wrong
     * @param {string} data.text
     * @param {string} title Title for explanation panel
     *
     * @return {H5P.Question}
     */
    self.setExplanation = function (data, title) {
      if (data) {
        var explainer = new H5P.Question.Explainer(title, data);

        if (sections.explanation) {
          // Update section
          update('explanation', explainer.getElement());
        }
        else {
          register('explanation', explainer.getElement());

          if (initialized && $wrapper) {
            insert(self.order, 'explanation', sections, $wrapper);
          }
        }
      }
      else if (sections.explanation) {
        // Hide explanation section
        sections.explanation.$element.children().detach();
      }

      return self;
    };

    /**
     * Checks to see if button is registered.
     *
     * @param {string} id
     * @returns {boolean}
     */
    self.hasButton = function (id) {
      return (buttons[id] !== undefined);
    };

    /**
     * @typedef {Object} ConfirmationDialog
     * @property {boolean} [enable] Must be true to show confirmation dialog
     * @property {Object} [instance] Instance that uses confirmation dialog
     * @property {jQuery} [$parentElement] Append to this element.
     * @property {Object} [l10n] Translatable fields
     * @property {string} [l10n.header] Header text
     * @property {string} [l10n.body] Body text
     * @property {string} [l10n.cancelLabel]
     * @property {string} [l10n.confirmLabel]
     */

    /**
     * Register buttons for the task.
     *
     * @param {string} id
     * @param {string} text label
     * @param {function} clicked
     * @param {boolean} [visible=true]
     * @param {Object} [options] Options for button
     * @param {Object} [extras] Extra options
     * @param {ConfirmationDialog} [extras.confirmationDialog] Confirmation dialog
     * @param {Object} [extras.contentData] Content data
     * @params {string} [extras.textIfSubmitting] Text to display if submitting
     */
    self.addButton = function (id, text, clicked, visible, options, extras) {
      if (buttons[id]) {
        return self; // Already registered
      }

      if (sections.buttons === undefined)  {
        // We have buttons, register wrapper
        register('buttons');
        if (initialized) {
          insert(self.order, 'buttons', sections, $wrapper);
        }
      }

      extras = extras || {};
      extras.confirmationDialog = extras.confirmationDialog || {};
      options = options || {};

      var confirmationDialog =
        self.addConfirmationDialogToButton(extras.confirmationDialog, clicked);

      /**
       * Handle button clicks through both mouse and keyboard
       * @private
       */
      var handleButtonClick = function () {
        if (extras.confirmationDialog.enable && confirmationDialog) {
          // Show popups section if used
          if (!extras.confirmationDialog.$parentElement) {
            sections.popups.$element.removeClass('hidden');
          }
          confirmationDialog.show($e.position().top);
        }
        else {
          clicked();
        }
      };

      const isSubmitting = extras.contentData && extras.contentData.standalone
        && (extras.contentData.isScoringEnabled || extras.contentData.isReportingEnabled);

      if (isSubmitting && extras.textIfSubmitting) {
        text = extras.textIfSubmitting;
      }

      buttons[id] = {
        isTruncated: false,
        text: text,
        isVisible: false,
        ariaLabel: options['aria-label']
      };

      // The button might be <button> or <a>
      // (dependent on options.href set or not)
      var isAnchorTag = (options.href !== undefined);
      var $e = buttons[id].$element = JoubelUI.createButton($.extend({
        'class': 'h5p-question-' + id,
        html: text,
        on: {
          click: function (event) {
            handleButtonClick();
            if (isAnchorTag) {
              event.preventDefault();
            }
          }
        }
      }, options));
      buttonOrder.push(id);

      H5P.Tooltip($e.get(0), {tooltipSource: 'data-tooltip'});

      // The button might be <button> or <a>. If <a>, the space key is not
      // triggering the click event, must therefore handle this here:
      if (isAnchorTag) {
        $e.on('keypress', function (event) {
          if (event.which === 32) { // Space
            handleButtonClick();
            event.preventDefault();
          }
        });
      }

      if (visible === undefined || visible) {
        // Button should be visible
        $e.appendTo(sections.buttons.$element);
        buttons[id].isVisible = true;
        showSection(sections.buttons);
      }

      return self;
    };

    var setButtonWidth = function (button) {
      var $button = button.$element;
      var $tmp = $button.clone()
        .css({
          'position': 'absolute',
          'white-space': 'nowrap',
          'max-width': 'none'
        }).removeClass('truncated')
        .html(button.text)
        .appendTo($button.parent());

      // Calculate max width (button including text)
      button.width = {
        max: Math.ceil($tmp.outerWidth() + parseFloat($tmp.css('margin-left')) + parseFloat($tmp.css('margin-right')))
      };

      // Calculate min width (truncated, icon only)
      $tmp.html('').addClass('truncated');
      button.width.min = Math.ceil($tmp.outerWidth() + parseFloat($tmp.css('margin-left')) + parseFloat($tmp.css('margin-right')));
      $tmp.remove();
    };

    /**
     * Add confirmation dialog to button
     * @param {ConfirmationDialog} options
     *  A confirmation dialog that will be shown before click handler of button
     *  is triggered
     * @param {function} clicked
     *  Click handler of button
     * @return {H5P.ConfirmationDialog|undefined}
     *  Confirmation dialog if enabled
     */
    self.addConfirmationDialogToButton = function (options, clicked) {
      options = options || {};

      if (!options.enable) {
        return;
      }

      // Confirmation dialog
      var confirmationDialog = new H5P.ConfirmationDialog({
        instance: options.instance,
        headerText: options.l10n.header,
        dialogText: options.l10n.body,
        cancelText: options.l10n.cancelLabel,
        confirmText: options.l10n.confirmLabel
      });

      // Determine parent element
      if (options.$parentElement) {
        const parentElement = options.$parentElement.get(0);
        let dialogParent;
        // If using h5p-content, dialog will not appear on embedded fullscreen
        if (parentElement.classList.contains('h5p-content')) {
          dialogParent = parentElement.querySelector('.h5p-container');
        }

        confirmationDialog.appendTo(dialogParent ?? parentElement);
      }
      else {

        // Create popup section and append to that
        if (sections.popups === undefined) {
          register('popups');
          if (initialized) {
            insert(self.order, 'popups', sections, $wrapper);
          }
          sections.popups.$element.addClass('hidden');
          self.order.push('popups');
        }
        confirmationDialog.appendTo(sections.popups.$element.get(0));
      }

      // Add event listeners
      confirmationDialog.on('confirmed', function () {
        if (!options.$parentElement) {
          sections.popups.$element.addClass('hidden');
        }
        clicked();

        // Trigger to content type
        self.trigger('confirmed');
      });

      confirmationDialog.on('canceled', function () {
        if (!options.$parentElement) {
          sections.popups.$element.addClass('hidden');
        }
        // Trigger to content type
        self.trigger('canceled');
      });

      return confirmationDialog;
    };

    /**
     * Show registered button with given identifier.
     *
     * @param {string} id
     * @param {Number} [priority]
     */
    self.showButton = function (id, priority) {
      var aboutToBeHidden = existsInArray(id, 'id', buttonsToHide) !== -1;
      if (buttons[id] === undefined || (buttons[id].isVisible === true && !aboutToBeHidden)) {
        return self;
      }

      priority = priority || 0;

      // Skip if already being shown
      var indexToShow = existsInArray(id, 'id', buttonsToShow);
      if (indexToShow !== -1) {

        // Update priority
        if (buttonsToShow[indexToShow].priority < priority) {
          buttonsToShow[indexToShow].priority = priority;
        }

        return self;
      }

      // Check if button is going to be hidden on next tick
      var exists = existsInArray(id, 'id', buttonsToHide);
      if (exists !== -1) {

        // Skip hiding if higher priority
        if (buttonsToHide[exists].priority <= priority) {
          buttonsToHide.splice(exists, 1);
          buttonsToShow.push({id: id, priority: priority});
        }

      } // If button is not shown
      else if (!buttons[id].$element.is(':visible')) {

        // Show button on next tick
        buttonsToShow.push({id: id, priority: priority});
      }

      if (!toggleButtonsTimer) {
        toggleButtonsTimer = setTimeout(toggleButtons, 0);
      }

      return self;
    };

    /**
     * Hide registered button with given identifier.
     *
     * @param {string} id
     * @param {number} [priority]
     */
    self.hideButton = function (id, priority) {
      var aboutToBeShown = existsInArray(id, 'id', buttonsToShow) !== -1;
      if (buttons[id] === undefined || (buttons[id].isVisible === false && !aboutToBeShown)) {
        return self;
      }

      priority = priority || 0;

      // Skip if already being hidden
      var indexToHide = existsInArray(id, 'id', buttonsToHide);
      if (indexToHide !== -1) {

        // Update priority
        if (buttonsToHide[indexToHide].priority < priority) {
          buttonsToHide[indexToHide].priority = priority;
        }

        return self;
      }

      // Check if buttons is going to be shown on next tick
      var exists = existsInArray(id, 'id', buttonsToShow);
      if (exists !== -1) {

        // Skip showing if higher priority
        if (buttonsToShow[exists].priority <= priority) {
          buttonsToShow.splice(exists, 1);
          buttonsToHide.push({id: id, priority: priority});
        }
      }
      else if (!buttons[id].$element.is(':visible')) {

        // Make sure it is detached in case the container is hidden.
        hideButton(id);
      }
      else {

        // Hide button on next tick.
        buttonsToHide.push({id: id, priority: priority});
      }

      if (!toggleButtonsTimer) {
        toggleButtonsTimer = setTimeout(toggleButtons, 0);
      }

      return self;
    };

    /**
     * Set focus to the given button. If no button is given the first visible
     * button gets focused. This is useful if you lose focus.
     *
     * @param {string} [id]
     */
    self.focusButton = function (id) {
      if (id === undefined) {
        // Find first button that is visible.
        for (var i = 0; i < buttonOrder.length; i++) {
          var button = buttons[buttonOrder[i]];
          if (button && button.isVisible) {
            // Give that button focus
            button.$element.focus();
            break;
          }
        }
      }
      else if (buttons[id] && buttons[id].$element.is(':visible')) {
        // Set focus to requested button
        buttons[id].$element.focus();
      }

      return self;
    };

    /**
     * Toggle readspeaker functionality
     * @param {boolean} [disable] True to disable, false to enable.
     */
    self.toggleReadSpeaker = function (disable) {
      behaviour.disableReadSpeaker = disable || !behaviour.disableReadSpeaker;
    };

    /**
     * Set new element for section.
     *
     * @param {String} id
     * @param {H5P.jQuery} $element
     */
    self.insertSectionAtElement = function (id, $element) {
      if (sections[id] === undefined) {
        register(id);
      }
      sections[id].parent = $element;

      // Insert section if question is not initialized
      if (!initialized) {
        insert([id], id, sections, $element);
      }

      return self;
    };

    /**
     * Attach content to given container.
     *
     * @param {H5P.jQuery} $container
     */
    self.attach = function ($container) {
      if (self.isRoot()) {
        self.setActivityStarted();
      }

      // The first time we attach we also create our DOM elements.
      if ($wrapper === undefined) {
        if (self.registerDomElements !== undefined &&
           (self.registerDomElements instanceof Function ||
           typeof self.registerDomElements === 'function')) {

          // Give the question type a chance to register before attaching
          self.registerDomElements();
        }

        // Create section for reading messages
        $read = $('<div/>', {
          'aria-live': 'polite',
          'class': 'h5p-hidden-read'
        });
        register('read', $read);
        self.trigger('registerDomElements');
      }

      // Prepare container
      $wrapper = $container;
      $container.html('')
        .addClass('h5p-question h5p-' + type);

      // Add sections in given order
      var $sections = [];
      for (var i = 0; i < self.order.length; i++) {
        var section = self.order[i];
        if (sections[section]) {
          if (sections[section].parent) {
            // Section has a different parent
            sections[section].$element.appendTo(sections[section].parent);
          }
          else {
            $sections.push(sections[section].$element);
          }
          sections[section].isVisible = true;
        }
      }

      // Only append once to DOM for optimal performance
      $container.append($sections);

      // Let others react to dom changes
      self.trigger('domChanged', {
        '$target': $container,
        'library': self.libraryInfo.machineName,
        'contentId': self.contentId,
        'key': 'newLibrary'
      }, {'bubbles': true, 'external': true});

      // ??
      initialized = true;

      return self;
    };

    /**
     * Detach all sections from their parents
     */
    self.detachSections = function () {
      // Deinit Question
      initialized = false;

      // Detach sections
      for (var section in sections) {
        sections[section].$element.detach();
      }

      return self;
    };

    // Listen for resize
    self.on('resize', function () {
      // Allow elements to attach and set their height before resizing
      if (!sectionsIsTransitioning && sections.feedback && showFeedback) {
        // Resize feedback to fit
        setElementHeight(sections.feedback.$element);
      }

      // Re-position feedback popup if in use
      var $element = sections.feedback;
      var $click = clickElement;

      if ($element != null && $element.$element != null && $click != null && $click.$element != null) {
        setTimeout(function () {
          positionFeedbackPopup($element.$element, $click.$element);
        }, 10);
      }

      resizeButtons();
    });
  }

  // Inheritance
  Question.prototype = Object.create(EventDispatcher.prototype);
  Question.prototype.constructor = Question;

  /**
   * Determine the overall feedback to display for the question.
   * Returns empty string if no matching range is found.
   *
   * @param {Object[]} feedbacks
   * @param {number} scoreRatio
   * @return {string}
   */
  Question.determineOverallFeedback = function (feedbacks, scoreRatio) {
    scoreRatio = Math.floor(scoreRatio * 100);

    for (var i = 0; i < feedbacks.length; i++) {
      var feedback = feedbacks[i];
      var hasFeedback = (feedback.feedback !== undefined && feedback.feedback.trim().length !== 0);

      if (feedback.from <= scoreRatio && feedback.to >= scoreRatio && hasFeedback) {
        return feedback.feedback;
      }
    }

    return '';
  };

  return Question;
})(H5P.jQuery, H5P.EventDispatcher, H5P.JoubelUI);
;H5P.Question.Explainer = (function ($) {
  /**
   * Constructor
   *
   * @class
   * @param {string} title
   * @param {array} explanations
   */
  function Explainer(title, explanations) {
    var self = this;

    /**
     * Create the DOM structure
     */
    var createHTML = function () {
      self.$explanation = $('<div>', {
        'class': 'h5p-question-explanation-container'
      });

      // Add title:
      $('<div>', {
        'class': 'h5p-question-explanation-title',
        role: 'heading',
        html: title,
        appendTo: self.$explanation
      });

      var $explanationList = $('<ul>', {
        'class': 'h5p-question-explanation-list',
        appendTo: self.$explanation
      });

      for (var i = 0; i < explanations.length; i++) {
        var feedback = explanations[i];
        var $explanationItem = $('<li>', {
          'class': 'h5p-question-explanation-item',
          appendTo: $explanationList
        });

        var $content = $('<div>', {
          'class': 'h5p-question-explanation-status'
        });

        if (feedback.correct) {
          $('<span>', {
            'class': 'h5p-question-explanation-correct',
            html: feedback.correct,
            appendTo: $content
          });
        }
        if (feedback.wrong) {
          $('<span>', {
            'class': 'h5p-question-explanation-wrong',
            html: feedback.wrong,
            appendTo: $content
          });
        }
        $content.appendTo($explanationItem);

        if (feedback.text) {
          $('<div>', {
            'class': 'h5p-question-explanation-text',
            html: feedback.text,
            appendTo: $explanationItem
          });
        }
      }
    };

    createHTML();

    /**
     * Return the container HTMLElement
     *
     * @return {HTMLElement}
     */
    self.getElement = function () {
      return self.$explanation;
    };
  }

  return Explainer;

})(H5P.jQuery);
;(function (Question) {

  /**
   * Makes it easy to add animated score points for your question type.
   *
   * @class H5P.Question.ScorePoints
   */
  Question.ScorePoints = function () {
    var self = this;

    var elements = [];
    var showElementsTimer;

    /**
     * Create the element that displays the score point element for questions.
     *
     * @param {boolean} isCorrect
     * @return {HTMLElement}
     */
    self.getElement = function (isCorrect) {
      var element = document.createElement('div');
      element.classList.add(isCorrect ? 'h5p-question-plus-one' : 'h5p-question-minus-one');
      element.classList.add('h5p-question-hidden-one');
      elements.push(element);

      // Schedule display animation of all added elements
      if (showElementsTimer) {
        clearTimeout(showElementsTimer);
      }
      showElementsTimer = setTimeout(showElements, 0);

      return element;
    };

    /**
     * @private
     */
    var showElements = function () {
      // Determine delay between triggering animations
      var delay = 0;
      var increment = 150;
      var maxTime = 1000;

      if (elements.length && elements.length > Math.ceil(maxTime / increment)) {
        // Animations will run for more than ~1 second, reduce it.
        increment = maxTime / elements.length;
      }

      for (var i = 0; i < elements.length; i++) {
        // Use timer to trigger show
        setTimeout(showElement(elements[i]), delay);

        // Increse delay for next element
        delay += increment;
      }
    };

    /**
     * Trigger transition animation for the given element
     *
     * @private
     * @param {HTMLElement} element
     * @return {function}
     */
    var showElement = function (element) {
      return function () {
        element.classList.remove('h5p-question-hidden-one');
      };
    };
  };

})(H5P.Question);
;H5P.TrueFalse = (function ($, Question) {
  'use strict';

  // Maximum score for True False
  var MAX_SCORE = 1;

  /**
   * Enum containing the different states this content type can exist in
   *
   * @enum
   */
  var State = Object.freeze({
    ONGOING: 1,
    FINISHED_WRONG: 2,
    FINISHED_CORRECT: 3,
    INTERNAL_SOLUTION: 4,
    EXTERNAL_SOLUTION: 5
  });

  /**
   * Button IDs
   */
  var Button = Object.freeze({
    CHECK: 'check-answer',
    TRYAGAIN: 'try-again',
    SHOW_SOLUTION: 'show-solution'
  });

  /**
   * Initialize module.
   *
   * @class H5P.TrueFalse
   * @extends H5P.Question
   * @param {Object} options
   * @param {number} id Content identification
   * @param {Object} contentData Task specific content data
   */
  function TrueFalse(options, id, contentData) {
    var self = this;

    // Inheritance
    Question.call(self, 'true-false');

    var params = $.extend(true, {
      question: 'No question text provided',
      correct: 'true',
      l10n: {
        trueText: 'True',
        falseText: 'False',
        score: 'You got @score of @total points',
        checkAnswer: 'Check',
        submitAnswer: 'Submit',
        showSolutionButton: 'Show solution',
        tryAgain: 'Retry',
        wrongAnswerMessage: 'Wrong answer',
        correctAnswerMessage: 'Correct answer',
        scoreBarLabel: 'You got :num out of :total points',
        a11yCheck: 'Check the answers. The responses will be marked as correct, incorrect, or unanswered.',
        a11yShowSolution: 'Show the solution. The task will be marked with its correct solution.',
        a11yRetry: 'Retry the task. Reset all responses and start the task over again.',
      },
      behaviour: {
        enableRetry: true,
        enableSolutionsButton: true,
        enableCheckButton: true,
        confirmCheckDialog: false,
        confirmRetryDialog: false,
        autoCheck: false
      }
    }, options);

    // Counter used to create unique id for this question
    TrueFalse.counter = (TrueFalse.counter === undefined ? 0 : TrueFalse.counter + 1);

    // A unique ID is needed for aria label
    var domId = 'h5p-tfq' + H5P.TrueFalse.counter;

    // saves the content id
    this.contentId = id;
    this.contentData = contentData;

    // The radio group
    var answerGroup = new H5P.TrueFalse.AnswerGroup(domId, params.correct, params.l10n);
    if (contentData.previousState !== undefined && contentData.previousState.answer !== undefined) {
      answerGroup.check(contentData.previousState.answer);
    }
    answerGroup.on('selected', function () {
      self.triggerXAPI('interacted');

      if (params.behaviour.autoCheck) {
        checkAnswer();
        triggerXAPIAnswered();
      }
    });


    /**
     * Create the answers
     *
     * @method createAnswers
     * @private
     * @return {H5P.jQuery}
     */
    var createAnswers = function () {
      return answerGroup.getDomElement();
    };

    /**
     * Register buttons
     *
     * @method registerButtons
     * @private
     */
    var registerButtons = function () {
      var $content = $('[data-content-id="' + self.contentId + '"].h5p-content');
      var $containerParents = $content.parents('.h5p-container');

      // select find container to attach dialogs to
      var $container;
      if($containerParents.length !== 0) {
        // use parent highest up if any
        $container = $containerParents.last();
      }
      else if($content.length !== 0){
        $container = $content;
      }
      else  {
        $container = $(document.body);
      }

      // Show solution button
      if (params.behaviour.enableSolutionsButton === true) {
        self.addButton(Button.SHOW_SOLUTION, params.l10n.showSolutionButton, function () {
          self.showSolutions(true);
        }, false, {
          'aria-label': params.l10n.a11yShowSolution,
        });
      }

      // Check button
      if (!params.behaviour.autoCheck && params.behaviour.enableCheckButton) {
        self.addButton(Button.CHECK, params.l10n.checkAnswer, function () {
          checkAnswer();
          triggerXAPIAnswered();
        }, true, {
          'aria-label': params.l10n.a11yCheck
        }, {
          confirmationDialog: {
            enable: params.behaviour.confirmCheckDialog,
            l10n: params.confirmCheck,
            instance: self,
            $parentElement: $container
          },
          contentData: self.contentData,
          textIfSubmitting: params.l10n.submitAnswer,
        });
      }

      // Try again button
      if (params.behaviour.enableRetry === true) {
        self.addButton(Button.TRYAGAIN, params.l10n.tryAgain, function () {
          self.resetTask();
        }, true, {
          'aria-label': params.l10n.a11yRetry,
        }, {
          confirmationDialog: {
            enable: params.behaviour.confirmRetryDialog,
            l10n: params.confirmRetry,
            instance: self,
            $parentElement: $container
          }
        });
      }

      toggleButtonState(State.ONGOING);
    };

    /**
     * Creates and triggers the xAPI answered event
     *
     * @method triggerXAPIAnswered
     * @private
     * @fires xAPIEvent
     */
    var triggerXAPIAnswered = function () {
      var xAPIEvent = self.createXAPIEventTemplate('answered');
      addQuestionToXAPI(xAPIEvent);
      addResponseToXAPI(xAPIEvent);
      self.trigger(xAPIEvent);
    };

    /**
     * Add the question itself to the definition part of an xAPIEvent
     *
     * @method addQuestionToXAPI
     * @param {XAPIEvent} xAPIEvent
     * @private
     */
    var addQuestionToXAPI = function(xAPIEvent) {
      var definition = xAPIEvent.getVerifiedStatementValue(['object', 'definition']);
      definition.description = {
        // Remove tags, must wrap in div tag because jQuery 1.9 will crash if the string isn't wrapped in a tag.
        'en-US': $('<div>' + params.question + '</div>').text()
      };
      definition.type = 'http://adlnet.gov/expapi/activities/cmi.interaction';
      definition.interactionType = 'true-false';
      definition.correctResponsesPattern = [getCorrectAnswer()];
    };

    /**
     * Returns the correct answer
     *
     * @method getCorrectAnswer
     * @private
     * @return {String}
     */
    var getCorrectAnswer = function () {
      return (params.correct === 'true' ? 'true' : 'false');
    };

    /**
     * Returns the wrong answer
     *
     * @method getWrongAnswer
     * @private
     * @return {String}
     */
    var getWrongAnswer = function () {
      return (params.correct === 'false' ? 'true' : 'false');
    };

    /**
     * Add the response part to an xAPI event
     *
     * @method addResponseToXAPI
     * @private
     * @param {H5P.XAPIEvent} xAPIEvent
     *  The xAPI event we will add a response to
     */
    var addResponseToXAPI = function(xAPIEvent) {
      var isCorrect = answerGroup.isCorrect();
      xAPIEvent.setScoredResult(isCorrect ? MAX_SCORE : 0, MAX_SCORE, self, true, isCorrect);
      xAPIEvent.data.statement.result.response = (isCorrect ? getCorrectAnswer() : getWrongAnswer());
    };

    /**
     * Toggles btton visibility dependent of current state
     *
     * @method toggleButtonVisibility
     * @private
     * @param  {String}    buttonId
     * @param  {Boolean}   visible
     */
    var toggleButtonVisibility = function (buttonId, visible) {
      if (visible === true) {
        self.showButton(buttonId);
      }
      else {
        self.hideButton(buttonId);
      }
    };

    /**
     * Toggles buttons state
     *
     * @method toggleButtonState
     * @private
     * @param  {String}          state
     */
    var toggleButtonState = function (state) {
      toggleButtonVisibility(Button.SHOW_SOLUTION, state === State.FINISHED_WRONG);
      toggleButtonVisibility(Button.CHECK, state === State.ONGOING);
      toggleButtonVisibility(Button.TRYAGAIN, state === State.FINISHED_WRONG || state === State.INTERNAL_SOLUTION);
    };

    /**
     * Check if answer is correct or wrong, and update visuals accordingly
     *
     * @method checkAnswer
     * @private
     */
    var checkAnswer = function () {
      // Create feedback widget
      var score = self.getScore();
      var scoreText;

      toggleButtonState(score === MAX_SCORE ? State.FINISHED_CORRECT : State.FINISHED_WRONG);

      if (score === MAX_SCORE && params.behaviour.feedbackOnCorrect) {
        scoreText = params.behaviour.feedbackOnCorrect;
      }
      else if (score === 0 && params.behaviour.feedbackOnWrong) {
        scoreText = params.behaviour.feedbackOnWrong;
      }
      else {
        scoreText = params.l10n.score;
      }
      // Replace relevant variables:
      scoreText = scoreText.replace('@score', score).replace('@total', MAX_SCORE);
      self.setFeedback(scoreText, score, MAX_SCORE, params.l10n.scoreBarLabel);
      answerGroup.reveal();
    };

    /**
     * Registers this question type's DOM elements before they are attached.
     * Called from H5P.Question.
     *
     * @method registerDomElements
     * @private
     */
    self.registerDomElements = function () {
      var self = this;

      // Check for task media
      var media = params.media;
      if (media && media.type && media.type.library) {
        media = media.type;
        var type = media.library.split(' ')[0];
        if (type === 'H5P.Image') {
          if (media.params.file) {
            // Register task image
            self.setImage(media.params.file.path, {
              disableImageZooming: params.media.disableImageZooming || false,
              alt: media.params.alt,
              title: media.params.title,
              expandImage: media.params.expandImage,
              minimizeImage: media.params.minimizeImage
            });
          }
        }
        else if (type === 'H5P.Video') {
          if (media.params.sources) {
            // Register task video
            self.setVideo(media);
          }
        }
        else if (type === 'H5P.Audio') {
          if (media.params.files) {
            // Register task audio
            self.setAudio(media);
          }
        }
      }

      // Add task question text
      self.setIntroduction('<div id="' + domId + '">' + params.question + '</div>');

      // Register task content area
      self.$content = createAnswers();
      self.setContent(self.$content);

      // ... and buttons
      registerButtons();
    };

    /**
     * Implements resume (save content state)
     *
     * @method getCurrentState
     * @public
     * @returns {object} object containing answer
     */
    self.getCurrentState = function () {
      return {answer: answerGroup.getAnswer()};
    };

    /**
     * Used for contracts.
     * Checks if the parent program can proceed. Always true.
     *
     * @method getAnswerGiven
     * @public
     * @returns {Boolean} true
     */
    self.getAnswerGiven = function () {
      return answerGroup.hasAnswered();
    };

    /**
     * Used for contracts.
     * Checks the current score for this task.
     *
     * @method getScore
     * @public
     * @returns {Number} The current score.
     */
    self.getScore = function () {
      return answerGroup.isCorrect() ? MAX_SCORE : 0;
    };

    /**
     * Used for contracts.
     * Checks the maximum score for this task.
     *
     * @method getMaxScore
     * @public
     * @returns {Number} The maximum score.
     */
    self.getMaxScore = function () {
      return MAX_SCORE;
    };

    /**
     * Get title of task
     *
     * @method getTitle
     * @public
     * @returns {string} title
     */
    self.getTitle = function () {
      return H5P.createTitle((self.contentData && self.contentData.metadata && self.contentData.metadata.title) ? self.contentData.metadata.title : 'True-False');
    };

    /**
     * Used for contracts.
     * Show the solution.
     *
     * @method showSolutions
     * @public
     */
    self.showSolutions = function (internal) {
      checkAnswer();
      answerGroup.showSolution();
      toggleButtonState(internal ? State.INTERNAL_SOLUTION : State.EXTERNAL_SOLUTION);
    };

    /**
     * Used for contracts.
     * Resets the complete task back to its' initial state.
     *
     * @method resetTask
     * @public
     */
    self.resetTask = function () {
      answerGroup.reset();
      self.removeFeedback();
      toggleButtonState(State.ONGOING);
    };

    /**
     * Get xAPI data.
     * Contract used by report rendering engine.
     *
     * @see contract at {@link https://h5p.org/documentation/developers/contracts#guides-header-6}
     */
    self.getXAPIData = function(){
      var xAPIEvent = this.createXAPIEventTemplate('answered');
      this.addQuestionToXAPI(xAPIEvent);
      this.addResponseToXAPI(xAPIEvent);
      return {
        statement: xAPIEvent.data.statement
      };
    };

    /**
     * Add the question itself to the definition part of an xAPIEvent
     */
    self.addQuestionToXAPI = function(xAPIEvent) {
      var definition = xAPIEvent.getVerifiedStatementValue(['object', 'definition']);
      $.extend(definition, this.getxAPIDefinition());
    };

    /**
     * Generate xAPI object definition used in xAPI statements.
     * @return {Object}
     */
    self.getxAPIDefinition = function () {
      var definition = {};
      definition.interactionType = 'true-false';
      definition.type = 'http://adlnet.gov/expapi/activities/cmi.interaction';
      definition.description = {
        'en-US': $('<div>' + params.question + '</div>').text()
      };
      definition.correctResponsesPattern = [getCorrectAnswer()];

      return definition;
    };

    /**
     * Add the response part to an xAPI event
     *
     * @param {H5P.XAPIEvent} xAPIEvent
     *  The xAPI event we will add a response to
     */
    self.addResponseToXAPI = function (xAPIEvent) {
      var isCorrect = answerGroup.isCorrect();
      var rawUserScore = isCorrect ? MAX_SCORE : 0;
      var currentResponse = '';

      xAPIEvent.setScoredResult(rawUserScore, MAX_SCORE, self, true, isCorrect);

      if(self.getCurrentState().answer !== undefined) {
        currentResponse += answerGroup.isCorrect() ? getCorrectAnswer() : getWrongAnswer();
      }
      xAPIEvent.data.statement.result.response = currentResponse;
    };
   }

  // Inheritance
  TrueFalse.prototype = Object.create(Question.prototype);
  TrueFalse.prototype.constructor = TrueFalse;

  return TrueFalse;
})(H5P.jQuery, H5P.Question);
;H5P.TrueFalse.AnswerGroup = (function ($, EventDispatcher) {
  'use strict';

  /**
   * Initialize module.
   *
   * @class H5P.TrueFalse.AnswerGroup
   * @extends H5P.EventDispatcher
   * @param {String} domId Id for label
   * @param {String} correctOption Correct option ('true' or 'false')
   * @param {Object} l10n Object containing all interface translations
   */
  function AnswerGroup(domId, correctOption, l10n) {
    var self = this;

    EventDispatcher.call(self);

    var $answers = $('<div>', {
      'class': 'h5p-true-false-answers',
      role: 'radiogroup',
      'aria-labelledby': domId
    });

    var answer;
    var trueAnswer = new H5P.TrueFalse.Answer(l10n.trueText, l10n.correctAnswerMessage, l10n.wrongAnswerMessage);
    var falseAnswer = new H5P.TrueFalse.Answer(l10n.falseText, l10n.correctAnswerMessage, l10n.wrongAnswerMessage);
    var correctAnswer = (correctOption === 'true' ? trueAnswer : falseAnswer);
    var wrongAnswer = (correctOption === 'false' ? trueAnswer : falseAnswer);

    // Handle checked
    var handleChecked = function (newAnswer, other) {
      return function () {
        answer = newAnswer;
        other.uncheck();
        self.trigger('selected');
      };
    };
    trueAnswer.on('checked', handleChecked(true, falseAnswer));
    falseAnswer.on('checked', handleChecked(false, trueAnswer));

    // Handle switches (using arrow keys)
    var handleInvert = function (newAnswer, other) {
      return function () {
        answer = newAnswer;
        other.check();
        self.trigger('selected');
      };
    };
    trueAnswer.on('invert', handleInvert(false, falseAnswer));
    falseAnswer.on('invert', handleInvert(true, trueAnswer));

    // Handle tabbing
    var handleTabable = function(other, tabable) {
      return function () {
        // If one of them are checked, that one should get tabfocus
        if (!tabable || !self.hasAnswered() || other.isChecked()) {
          other.tabable(tabable);
        }
      };
    };
    // Need to remove tabIndex on the other alternative on focus
    trueAnswer.on('focus', handleTabable(falseAnswer, false));
    falseAnswer.on('focus', handleTabable(trueAnswer, false));
    // Need to make both alternatives tabable on blur:
    trueAnswer.on('blur', handleTabable(falseAnswer, true));
    falseAnswer.on('blur', handleTabable(trueAnswer, true));

    $answers.append(trueAnswer.getDomElement());
    $answers.append(falseAnswer.getDomElement());

    /**
     * Get hold of the DOM element representing this thingy
     * @method getDomElement
     * @return {jQuery}
     */
    self.getDomElement = function () {
      return $answers;
    };

    /**
     * Programatic check
     * @method check
     * @param  {[type]} answer [description]
     */
    self.check = function (answer) {
      if (answer) {
        trueAnswer.check();
      }
      else {
        falseAnswer.check();
      }
    };

    /**
     * Return current answer
     * @method getAnswer
     * @return {Boolean} undefined if no answer if given
     */
    self.getAnswer = function () {
      return answer;
    };

    /**
     * Check if user has answered question yet
     * @method hasAnswered
     * @return {Boolean}
     */
    self.hasAnswered = function () {
      return answer !== undefined;
    };

    /**
     * Is answer correct?
     * @method isCorrect
     * @return {Boolean}
     */
    self.isCorrect = function () {
      return correctAnswer.isChecked();
    };

    /**
     * Enable user input
     *
     * @method enable
     */
    self.enable = function () {
      trueAnswer.enable().tabable(true);
      falseAnswer.enable();
    };

    /**
     * Disable user input
     *
     * @method disable
     */
    self.disable = function () {
      trueAnswer.disable();
      falseAnswer.disable();
    };

    /**
     * Reveal correct/wrong answer
     *
     * @method reveal
     */
    self.reveal = function () {
      if (self.hasAnswered()) {
        if (self.isCorrect()) {
          correctAnswer.markCorrect();
        }
        else {
          wrongAnswer.markWrong();
        }
      }

      self.disable();
    };

    /**
     * Reset task
     * @method reset
     */
    self.reset = function () {
      trueAnswer.reset();
      falseAnswer.reset();
      self.enable();
      answer = undefined;
    };

    /**
     * Show the solution
     * @method showSolution
     * @return {[type]}
     */
    self.showSolution = function () {
      correctAnswer.markCorrect();
      wrongAnswer.unmark();
    };
  }

  // Inheritance
  AnswerGroup.prototype = Object.create(EventDispatcher.prototype);
  AnswerGroup.prototype.constructor = AnswerGroup;

  return AnswerGroup;
})(H5P.jQuery, H5P.EventDispatcher);
;H5P.TrueFalse.Answer = (function ($, EventDispatcher) {
  'use strict';

  var Keys = {
    ENTER: 13,
    SPACE: 32,
    LEFT_ARROW: 37,
    UP_ARROW: 38,
    RIGHT_ARROW: 39,
    DOWN_ARROW: 40
  };

  /**
   * Initialize module.
   *
   * @class H5P.TrueFalse.Answer
   * @extends H5P.EventDispatcher
   * @param {String} text Label
   * @param {String} correctMessage Message read by readspeaker when correct alternative is chosen
   * @param {String} wrongMessage Message read by readspeaker when wrong alternative is chosen
   */
  function Answer (text, correctMessage, wrongMessage) {
    var self = this;

    EventDispatcher.call(self);

    var checked = false;
    var enabled = true;

    var $answer = $('<div>', {
      'class': 'h5p-true-false-answer',
      role: 'radio',
      'aria-checked': false,
      html: text + '<span class="aria-label"></span>',
      tabindex: 0, // Tabable by default
      click: function (event) {
        // Handle left mouse (or tap on touch devices)
        if (event.which === 1) {
          self.check();
        }
      },
      keydown: function (event) {
        if (!enabled) {
          return;
        }
        if ([Keys.SPACE, Keys.ENTER].indexOf(event.keyCode) !== -1) {
          event.preventDefault();
          self.check();
        }
        else if ([Keys.LEFT_ARROW, Keys.UP_ARROW, Keys.RIGHT_ARROW, Keys.DOWN_ARROW].indexOf(event.keyCode) !== -1) {
          event.preventDefault();
          self.uncheck();
          self.trigger('invert');
        }
      },
      focus: function () {
        self.trigger('focus');
      },
      blur: function () {
        self.trigger('blur');
      }
    });

    var $ariaLabel = $answer.find('.aria-label');

    // A bug in Chrome 54 makes the :after icons (V and X) not beeing rendered.
    // Doing this in a timeout solves this
    // Might be removed when Chrome 56 is out
    var chromeBugFixer = function (callback) {
      setTimeout(function () {
        callback();
      }, 0);
    };

    /**
     * Return the dom element representing the alternative
     *
     * @public
     * @method getDomElement
     * @return {H5P.jQuery}
     */
    self.getDomElement = function () {
      return $answer;
    };

    /**
     * Unchecks the alternative
     *
     * @public
     * @method uncheck
     * @return {H5P.TrueFalse.Answer}
     */
    self.uncheck = function () {
      if (enabled) {
        $answer.blur();
        checked = false;
        chromeBugFixer(function () {
          $answer.attr('aria-checked', checked);
        });
      }
      return self;
    };

    /**
     * Set tabable or not
     * @method tabable
     * @param  {Boolean} enabled
     * @return {H5P.TrueFalse.Answer}
     */
    self.tabable = function (enabled) {
      $answer.attr('tabIndex', enabled ? 0 : null);
      return self;
    };

    /**
     * Checks the alternative
     *
     * @method check
     * @return {H5P.TrueFalse.Answer}
     */
    self.check = function () {
      if (enabled) {
        checked = true;
        chromeBugFixer(function () {
          $answer.attr('aria-checked', checked);
        });
        self.trigger('checked');
        $answer.focus();
      }
      return self;
    };

    /**
     * Is this alternative checked?
     *
     * @method isChecked
     * @return {boolean}
     */
    self.isChecked = function () {
      return checked;
    };

    /**
     * Enable alternative
     *
     * @method enable
     * @return {H5P.TrueFalse.Answer}
     */
    self.enable = function () {
      $answer.attr({
        'aria-disabled': '',
        tabIndex: 0
      });
      enabled = true;

      return self;
    };

    /**
     * Disables alternative
     *
     * @method disable
     * @return {H5P.TrueFalse.Answer}
     */
    self.disable = function () {
      $answer.attr({
        'aria-disabled': true,
        tabIndex: null
      });
      enabled = false;

      return self;
    };

    /**
     * Reset alternative
     *
     * @method reset
     * @return {H5P.TrueFalse.Answer}
     */
    self.reset = function () {
      self.enable();
      self.uncheck();
      self.unmark();
      $ariaLabel.html('');

      return self;
    };

    /**
     * Marks this alternative as the wrong one
     *
     * @method markWrong
     * @return {H5P.TrueFalse.Answer}
     */
    self.markWrong = function () {
      chromeBugFixer(function () {
        $answer.addClass('wrong');
      });
      $ariaLabel.html('.' + wrongMessage);

      return self;
    };

    /**
     * Marks this alternative as the wrong one
     *
     * @method markCorrect
     * @return {H5P.TrueFalse.Answer}
     */
    self.markCorrect = function () {
      chromeBugFixer(function () {
        $answer.addClass('correct');
      });
      $ariaLabel.html('.' + correctMessage);

      return self;
    };

    self.unmark = function () {
      chromeBugFixer(function () {
        $answer.removeClass('wrong correct');
      });

      return self;
    };
  }

  // Inheritance
  Answer.prototype = Object.create(EventDispatcher.prototype);
  Answer.prototype.constructor = Answer;

  return Answer;

})(H5P.jQuery, H5P.EventDispatcher);
;var H5P = H5P || {};
H5P.Summary = H5P.Summary || {};

H5P.Summary.StopWatch = (function () {
  /**
   * @class {H5P.Summary.StopWatch}
   * @constructor
   */
  function StopWatch() {
    /**
     * @property {number} duration in ms
     */
    this.duration = 0;
  }

  /**
   * Starts the stop watch
   *
   * @public
   * @return {H5P.Summary.StopWatch}
   */
  StopWatch.prototype.start = function(){
    /**
     * @property {number}
     */
    this.startTime = Date.now();
    return this;
  };

  /**
   * Stops the stopwatch, and returns the duration in seconds.
   *
   * @public
   * @return {number}
   */
  StopWatch.prototype.stop = function(){
    this.duration = this.duration + Date.now() - this.startTime;
    return this.passedTime();
  };

  /**
   * Sets the duration to 0
   *
   * @public
   */
  StopWatch.prototype.reset = function(){
    this.duration = 0;
  };

  /**
   * Returns the passed time in seconds
   *
   * @public
   * @return {number}
   */
  StopWatch.prototype.passedTime = function(){
    return Math.round(this.duration / 10) / 100;
  };

  return StopWatch;
})();
;var H5P = H5P || {};
H5P.Summary = H5P.Summary || {};

H5P.Summary.XApiEventBuilder = (function ($, EventDispatcher) {
  /**
   * @typedef {object} LocalizedString
   * @property {string} en-US
   */

  /**
   * @class {H5P.Summary.XApiEventDefinitionBuilder}
   * @constructor
   */
  function XApiEventDefinitionBuilder(){
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.name
     * @property {string} attributes.description
     * @property {string} attributes.interactionType
     * @property {string} attributes.correctResponsesPattern
     * @property {object} attributes.optional
     */
    this.attributes = {};
  }

  XApiEventDefinitionBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventDefinitionBuilder.prototype.constructor = XApiEventDefinitionBuilder;


  /**
   * Sets name
   * @param {string} name
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.name = function (name) {
    this.attributes.name = name;
    return this;
  };

  /**
   * Question text and any additional information to generate the report.
   * @param {string} description
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.description = function (description) {
    this.attributes.description = description;
    return this;
  };

  /**
   * Type of the interaction.
   * @param {string} interactionType
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#interaction-types|xAPI Spec}
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.interactionType = function (interactionType) {
    this.attributes.interactionType = interactionType;
    return this;
  };

  /**
   * A pattern for determining the correct answers of the interaction
   * @param {string[]} correctResponsesPattern
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#response-patterns|xAPI Spec}
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.correctResponsesPattern = function (correctResponsesPattern) {
    this.attributes.correctResponsesPattern = correctResponsesPattern;
    return this;
  };

  /**
   * Sets optional attributes
   * @param {object} optional Can have one of the following configuration objects: choices, scale, source, target, steps
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.optional = function (optional) {
    this.attributes.optional = optional;
    return this;
  };

  /**
   * @return {object}
   */
  XApiEventDefinitionBuilder.prototype.build = function () {
    var definition = {};

    // sets attributes
    setAttribute(definition, 'name', localizeToEnUS(this.attributes.name));
    setAttribute(definition, 'description', localizeToEnUS(this.attributes.description));
    setAttribute(definition, 'interactionType', this.attributes.interactionType);
    setAttribute(definition, 'correctResponsesPattern', this.attributes.correctResponsesPattern);
    setAttribute(definition, 'type', 'http://adlnet.gov/expapi/activities/cmi.interaction');

    // adds the optional object to the definition
    if(this.attributes.optional){
      $.extend(definition, this.attributes.optional);
    }

    return definition;
  };

  // -----------------------------------------------------

  /**
   *
   * @constructor
   */
  function XApiEventResultBuilder(){
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.completion
     * @property {boolean} attributes.success
     * @property {boolean} attributes.response
     * @property {number} attributes.rawScore
     * @property {number} attributes.maxScore
     */
    this.attributes = {};
  }

  XApiEventResultBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventResultBuilder.prototype.constructor = XApiEventResultBuilder;

  /**
   * @param {boolean} completion
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.completion = function (completion) {
    this.attributes.completion = completion;
    return this;
  };

  /**
   * @param {boolean} success
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.success = function (success) {
    this.attributes.success = success;
    return this;
  };

  /**
   * @param {number} duration The duraction in seconds
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.duration = function (duration) {
    this.attributes.duration = duration;
    return this;
  };

  /**
   * Sets response
   * @param {string|string[]} response
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.response = function (response) {
    this.attributes.response = (typeof response === 'string') ? response : response.join('[,]');
    return this;
  };

  /**
   * Sets the score, and max score
   * @param {number} score
   * @param {number} maxScore
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.score = function (score, maxScore) {
    this.attributes.rawScore = score;
    this.attributes.maxScore = maxScore;
    return this;
  };

  /**
   * Builds the result object
   * @return {object}
   */
  XApiEventResultBuilder.prototype.build = function () {
    var result = {};

    setAttribute(result, 'response', this.attributes.response);
    setAttribute(result, 'completion', this.attributes.completion);
    setAttribute(result, 'success', this.attributes.success);

    if(isDefined(this.attributes.duration)){
      setAttribute(result, 'duration','PT' +  this.attributes.duration + 'S');
    }

    // sets score
    if (isDefined(this.attributes.rawScore)) {
      result.score = {};
      setAttribute(result.score, 'raw', this.attributes.rawScore);

      if (isDefined(this.attributes.maxScore) && this.attributes.maxScore > 0) {
        setAttribute(result.score, 'min', 0);
        setAttribute(result.score, 'max', this.attributes.maxScore);
        setAttribute(result.score, 'min', 0);
        setAttribute(result.score, 'scaled', Math.round(this.attributes.rawScore / this.attributes.maxScore * 10000) / 10000);
      }
    }

    return result;
  };

  // -----------------------------------------------------

  /**
   * @class {H5P.Summary.XApiEventBuilder}
   */
  function XApiEventBuilder() {
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.contentId
     * @property {string} attributes.subContentId
     */
    this.attributes = {};
  }

  XApiEventBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventBuilder.prototype.constructor = XApiEventBuilder;


  /**
   * @param {object} verb
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.verb = function (verb) {
    this.attributes.verb = verb;
    return this;
  };

  /**
   * @param {string} name
   * @param {string} mbox
   * @param {string} objectType
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.actor = function (name, mbox, objectType) {
    this.attributes.actor = {
      name: name,
      mbox: mbox,
      objectType: objectType
    };

    return this;
  };

  /**
   * Sets contentId
   * @param {string} contentId
   * @param {string} [subContentId]
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.contentId = function (contentId, subContentId) {
    this.attributes.contentId = contentId;
    this.attributes.subContentId = subContentId;
    return this;
  };

  /**
   * Sets parent in context
   * @param {string} parentContentId
   * @param {string} [parentSubContentId]
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.context = function (parentContentId, parentSubContentId) {
    this.attributes.parentContentId = parentContentId;
    this.attributes.parentSubContentId = parentSubContentId;
    return this;
  };

  /**
   * @param {object} result
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.result = function (result) {
    this.attributes.result = result;
    return this;
  };

  /**
   * @param {object} objectDefinition
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.objectDefinition = function (objectDefinition) {
    this.attributes.objectDefinition = objectDefinition;
    return this;
  };

  /**
   * Returns the buildt event
   * @public
   * @return {H5P.XAPIEvent}
   */
  XApiEventBuilder.prototype.build = function(){
    var event = new H5P.XAPIEvent();

    event.setActor();
    event.setVerb(this.attributes.verb);

    // sets context
    if(this.attributes.parentContentId || this.attributes.parentSubContentId){
      event.data.statement.context = {
        'contextActivities': {
          'parent': [
            {
              'id': getContentXAPIId(this.attributes.parentContentId, this.attributes.parentSubContentId),
              'objectType': "Activity"
            }
          ]
        }
      };

      if (H5P.xApiSessionId) {
        event.data.statement.context.extensions = {
          'https://h5p.com/xapi/session-id': H5P.xApiSessionId
        };
      }
    }

    event.data.statement.object = {
      'id': getContentXAPIId(this.attributes.contentId, this.attributes.subContentId),
      'objectType': 'Activity'
    };

    setAttribute(event.data, 'actor', this.attributes.actor);
    setAttribute(event.data.statement, 'result', this.attributes.result);
    setAttribute(event.data.statement.object, 'definition', this.attributes.objectDefinition);

    // sets h5p specific attributes
    if(event.data.statement.object.definition && (this.attributes.contentId || this.attributes.subContentId)) {
      var extensions = event.data.statement.object.definition.extensions = {};
      setAttribute(extensions, 'http://h5p.org/x-api/h5p-local-content-id', this.attributes.contentId);
      setAttribute(extensions, 'http://h5p.org/x-api/h5p-subContentId', this.attributes.subContentId);
    }

    return event;
  };

  /**
   * Creates a Localized String object for en-US
   *
   * @param str
   * @return {LocalizedString}
   */
  var localizeToEnUS = function(str){
    if(str != undefined){
      return {
        'en-US': cleanString(str)
      };
    }
  };

  /**
   * Generates an id for the content
   * @param {string} contentId
   * @param {string} [subContentId]
   *
   * @see {@link https://github.com/h5p/h5p-php-library/blob/master/js/h5p-x-api-event.js#L240-L249}
   * @return {string}
   */
  var getContentXAPIId = function (contentId, subContentId) {
    const cid = 'cid-' + contentId;
    if (contentId && H5PIntegration && H5PIntegration.contents && H5PIntegration.contents[cid]) {
      var id = H5PIntegration.contents[cid].url;

      if (subContentId) {
        id += '?subContentId=' +  subContentId;
      }

      return id;
    }
  };

  /**
   * Removes html elements from string
   *
   * @param {string} str
   * @return {string}
   */
  var cleanString = function (str) {
    return $('<div>' + str + '</div>').text().trim();
  };

  var isDefined = function(val){
    return typeof val !== 'undefined';
  };

  function setAttribute(obj, key, value, required){
    if(isDefined(value)){
      obj[key] = value;
    } else if (required) {
      console.error("xApiEventBuilder: No value for [" + key + "] in", obj);
    }
  }

  /**
   * Creates a new XApiEventBuilder
   *
   * @public
   * @static
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.create = function(){
    return new XApiEventBuilder();
  };

  /**
   * Creates a new XApiEventDefinitionBuilder
   *
   * @public
   * @static
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventBuilder.createDefinition = function(){
    return new XApiEventDefinitionBuilder();
  };

  /**
   * Creates a new XApiEventDefinitionBuilder
   *
   * @public
   * @static
   * @return {XApiEventResultBuilder}
   */
  XApiEventBuilder.createResult = function(){
    return new XApiEventResultBuilder();
  };

  /**
   * Returns choice to be used with 'cmi.interaction' for Activity of type 'choice'
   *
   * @param {string} id
   * @param {string} description
   *
   * @public
   * @static
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#choice|xAPI-Spec}
   * @return {object}
   */
  XApiEventBuilder.createChoice = function(id, description){
    return {
      id: id,
      description: localizeToEnUS(description)
    };
  };

  /**
   * Takes an array of correct ids, and joins them to a 'correct response pattern'
   *
   * @param {string[]} ids
   *
   * @public
   * @static
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#choice|xAPI-Spec}
   * @return {string}
   */
  XApiEventBuilder.createCorrectResponsePattern = function(ids){
    return ids.join('[,]');
  };

  /**
   * Interaction types
   *
   * @readonly
   * @enum {String}
   */
  XApiEventBuilder.interactionTypes = {
    CHOICE: 'choice',
    COMPOUND: 'compound',
    FILL_IN: 'fill-in',
    MATCHING: 'matching',
    TRUE_FALSE: 'true-false'
  };

  /**
   * Verbs
   *
   * @readonly
   * @enum {String}
   */
  XApiEventBuilder.verbs = {
    ANSWERED: 'answered'
  };

  return XApiEventBuilder;
})(H5P.jQuery, H5P.EventDispatcher);
;H5P.Summary = (function ($, Question, XApiEventBuilder, StopWatch) {

  var summaryId = 0;

  function Summary(options, contentId, contentData) {
    if (!(this instanceof H5P.Summary)) {
      return new H5P.Summary(options, contentId);
    }

    this.id = this.contentId = contentId;
    this.contentData = contentData;
    this.summaryId = summaryId;
    Question.call(this, 'summary');
    this.offset = 0;
    this.score = 0;
    this.progress = 0;
    this.answers = [];
    this.answer = [];
    this.errorCounts = [];

    summaryId += 1;

    /**
     * The key is panel index, returns an array of the answer indexes the user tried.
     *
     * @property {number[][]}
     */
    this.userResponses = [];

    /**
     * The first key is panel index, and the second key is data-bit, value is index in panel
     *
     * @property {number[][]}
     */
    this.dataBitMap = [];

    // Remove empty summary to avoid JS-errors
    if (options.summaries) {
      options.summaries = options.summaries.filter(function (element) {
        return element.summary !== undefined;
      });
    }

    if (contentData && contentData.previousState !== undefined &&
        contentData.previousState.progress !== undefined &&
        contentData.previousState.answers) {
      this.progress = contentData.previousState.progress || this.progress;
      this.answers = contentData.previousState.answers || this.answers;

      var currentProgress = this.progress;

      // Do not count score screen as an error
      if (this.progress >= options.summaries.length) {
        currentProgress = options.summaries.length - 1;
      }

      for (var i = 0; i <= currentProgress; i++) {
        if (this.errorCounts[i] === undefined) {
          this.errorCounts[i] = 0;
        }
        if (this.answers[i]) {
          this.score += this.answers[i].length;
          this.errorCounts[i]++;
        }
      }
    }
    var that = this;

    /**
     * @property {StopWatch[]} Stop watches for tracking duration of slides
     */
    this.stopWatches = [];
    this.startStopWatch(this.progress);

    this.options = H5P.jQuery.extend({}, {
      overallFeedback: [],
      resultLabel: "Your result:",
      intro: "Choose the correct statement.",
      solvedLabel: "Solved:",
      scoreLabel: "Wrong answers:",
      labelCorrect: "Correct.",
      labelIncorrect: 'Incorrect! Please try again.',
      labelCorrectAnswers: "List of correct answers.",
      alternativeIncorrectLabel: 'Incorrect',
      postUserStatistics: (H5P.postUserStatistics === true),
      tipButtonLabel: 'Show tip',
      scoreBarLabel: 'You got :num out of :total points',
      progressText: 'Progress :num of :total'
    }, options);

    this.summaries = that.options.summaries;

    // Prevent the score bar from interrupting the progress counter
    this.setBehaviour({disableReadSpeaker: true});

    // Required questiontype contract function
    this.showSolutions = function() {
      // intentionally left blank, no solution view exists
    };

    // Required questiontype contract function
    this.getMaxScore = function() {
      return this.summaries ? this.summaries.length : 0;
    };

    this.getScore = function() {
      var self = this;

      // count single correct answers
      return self.summaries ? self.summaries.reduce(function(result, panel, index){
        var userResponse = self.userResponses[index] || [];

        return result + (self.correctOnFirstTry(userResponse) ? 1 : 0);
      }, 0) : 0;
    };

    this.getTitle = function() {
      return H5P.createTitle((this.contentData && this.contentData.metadata && this.contentData.metadata.title) ? this.contentData.metadata.title: 'Summary');
    };

    this.getCurrentState = function () {
      return {
        progress: this.progress || null,
        answers: this.answers
      };
    };
  }

  Summary.prototype = Object.create(Question.prototype);
  Summary.prototype.constructor = Summary;

  /**
   * Registers DOM elements before they are attached.
   * Called from H5P.Question.
   */
  Summary.prototype.registerDomElements = function () {
    // Register task content area
    this.setContent(this.createQuestion());
  };

  // Function for attaching the multichoice to a DOM element.
  Summary.prototype.createQuestion = function() {
    var that = this;
    var id = 0; // element counter
    // variable to capture currently focused option.
    var currentFocusedOption;
    var elements = [];
    var $ = H5P.jQuery;
    this.$myDom = $('<div>', {
      'class': 'summary-content'
    });

    this.$answerAnnouncer = $('<div>', {
      'class': 'hidden-but-read',
      'aria-live': 'assertive',
      appendTo: this.$myDom,
    });

    if (that.summaries === undefined || that.summaries.length === 0) {
      return;
    }

    // Create array objects
    for (var panelIndex = 0; panelIndex < that.summaries.length; panelIndex++) {
      if (!(that.summaries[panelIndex].summary && that.summaries[panelIndex].summary.length)) {
        continue;
      }

      elements[panelIndex] = {
        tip: that.summaries[panelIndex].tip,
        summaries: []
      };

      for (var summaryIndex = 0; summaryIndex < that.summaries[panelIndex].summary.length; summaryIndex++) {
        var isAnswer = (summaryIndex === 0);
        that.answer[id] = isAnswer; // First claim is correct

        // create mapping from data-bit to index in panel
        that.dataBitMap[panelIndex] = this.dataBitMap[panelIndex] || [];
        that.dataBitMap[panelIndex][id] = summaryIndex;

        // checks the answer and updates the user response array
        if(that.answers[panelIndex] && (that.answers[panelIndex].indexOf(id) !== -1)){
          this.storeUserResponse(panelIndex, summaryIndex);
        }

        // adds to elements
        elements[panelIndex].summaries[summaryIndex] = {
          id: id++,
          text: that.summaries[panelIndex].summary[summaryIndex]
        };
      }

      // if we have progressed passed this point, the success pattern must also be saved
      if(panelIndex < that.progress){
        this.storeUserResponse(panelIndex, 0);
      }

      // Randomize elements
      for (var k = elements[panelIndex].summaries.length - 1; k > 0; k--) {
        var j = Math.floor(Math.random() * (k + 1));
        var temp = elements[panelIndex].summaries[k];
        elements[panelIndex].summaries[k] = elements[panelIndex].summaries[j];
        elements[panelIndex].summaries[j] = temp;
      }
    }

    // Create content panels
    var $summary_container = $('<div class="summary-container"></div>');
    var $summary_list = $('<ul role="list" aria-labelledby="answerListHeading-'+that.summaryId+'"></ul>');
    var $evaluation = $('<div class="summary-evaluation"></div>');
    var $evaluation_content = $('<div id="questionDesc-'+that.summaryId+'" class="summary-evaluation-content">' + that.options.intro + '</div>');
    var $score = $('<div class="summary-score" role="status"></div>');
    var $options = $('<div class="summary-options"></div>');
    var $progress = $('<div class="summary-progress" aria-live="polite" role="status"></div>');
    var $progressNumeric = $('<div class="summary-progress-numeric" aria-hidden="true"></div>');
    var options_padding = parseInt($options.css('paddingLeft'));
    // content div added for readspeaker that indicates list of correct answers.
    var $answersListHeading = $('<div id="answerListHeading-'+that.summaryId+'" class="h5p-hidden-read">' + that.options.labelCorrectAnswers + '</div>');

    $score
      .html(that.options.scoreLabel + ' ' + this.score)
      .toggleClass('visible', this.score > 0);

    // Insert content
    // aria-hidden = true added for readspeaker to avoid reading empty answers list.
    $summary_container.attr("aria-hidden", "true");
    $summary_container.html($answersListHeading);
    $summary_container.append($summary_list);
    this.$myDom.append($summary_container);
    this.$myDom.append($evaluation);
    this.$myDom.append($options);
    $evaluation.append($evaluation_content);
    $evaluation.append($evaluation);
    $evaluation.append($progress);
    $evaluation.append($progressNumeric);
    $evaluation.append($score);

    /**
     * Handle selected alternative
     *
     * @param {jQuery} $el Selected element
     * @param {boolean} [setFocus] Set focus on first element of next panel.
     *  Used when alt was selected with keyboard.
     */
    var selectedAlt = function ($el, setFocus) {
      var nodeId = Number($el.attr('data-bit'));
      var panelId = Number($el.parent().data('panel'));
      var isRadioClicked = $el.attr('aria-checked');
      if(isRadioClicked == 'true') return;

      if (that.errorCounts[panelId] === undefined) {
        that.errorCounts[panelId] = 0;
      }

      that.storeUserResponse(panelId, nodeId);

      // Correct answer?
      if (that.answer[nodeId]) {
        that.announceAnswer(true);
        that.stopStopWatch(panelId);

        that.progress++;
        var position = $el.position();
        var summary = $summary_list.position();
        var $answer = $('<li role="listitem">' + $el.html() + '</li>');

        $progressNumeric.html(that.options.solvedLabel + ' '  + (panelId + 1) + '/' + that.summaries.length);

        var interpolatedProgressText = that.options.progressText
          .replace(':num', panelId + 1)
          .replace(':total', that.summaries.length);
        $progress.html(interpolatedProgressText);

        $el.attr("aria-checked", "true");

        // Insert correct claim into summary list
        $summary_list.append($answer);
        $summary_container.addClass('has-results');
        // change aria-hidden property as when correct answer is added inside list at top
        $summary_container.attr("aria-hidden", "false");
        that.adjustTargetHeight($summary_container, $summary_list, $answer);


        // Move into position over clicked element
        $answer.css({display: 'block', width: $el.css('width'), height: $el.css('height')});
        $answer.css({position: 'absolute', top: position.top, left: position.left});
        $answer.css({backgroundColor: '#9dd8bb', border: ''});
        setTimeout(function () {
          $answer.css({backgroundColor: ''});
        }, 1);
        //$answer.animate({backgroundColor: '#eee'}, 'slow');

        var panel = parseInt($el.parent().attr('data-panel'));
        var $curr_panel = $('.h5p-panel:eq(' + panel + ')', that.$myDom);
        var $next_panel = $('.h5p-panel:eq(' + (panel + 1) + ')', that.$myDom);
        var finished = ($next_panel.length === 0);
        // Disable panel while waiting for animation
        $curr_panel.addClass('panel-disabled');

        // Update tip:
        $evaluation_content.find('.joubel-tip-container').remove();
        if (elements[that.progress] !== undefined &&
          elements[that.progress].tip !== undefined &&
          elements[that.progress].tip.trim().length > 0) {
          $evaluation_content.append(H5P.JoubelUI.createTip(elements[that.progress].tip, {
            tipLabel: that.options.tipButtonLabel
          }));
        }

        $answer.animate(
          {
            top: summary.top + that.offset,
            left: '-=' + options_padding + 'px',
            width: '+=' + (options_padding * 2) + 'px'
          },
          {
            complete: function() {
              // Remove position (becomes inline);
              $(this).css('position', '').css({
                width: '',
                height: '',
                top: '',
                left: ''
              });
              $summary_container.css('height', '');

              // Calculate offset for next summary item
              var tpadding = parseInt($answer.css('paddingTop')) * 2;
              var tmargin = parseInt($answer.css('marginBottom'));
              var theight = parseInt($answer.css('height'));
              that.offset += theight + tpadding + tmargin + 1;

              // Fade out current panel
              $curr_panel.fadeOut('fast', function () {
                $curr_panel.parent().css('height', 'auto');
                // Show next panel if present
                if (!finished) {
                  // start next timer
                  that.startStopWatch(that.progress);

                  $next_panel.fadeIn('fast');

                  // Focus first element of next panel
                  if (setFocus) {
                    $next_panel.children().get(0).focus();
                  }
                } else {
                  // Hide intermediate evaluation
                  $evaluation_content.html(that.options.resultLabel);

                  that.doFinalEvaluation();
                }
                that.trigger('resize');
              });
            }
          }
        );
      }
      else {
        that.announceAnswer(false);
        // Remove event handler (prevent repeated clicks) and mouseover effect
        $el.off('click');
        $el.addClass('summary-failed');
        const label = that.options.alternativeIncorrectLabel + '. '
          + $el.text();
        $el.attr('aria-label', label);
        $el.removeClass('summary-claim-unclicked');
        $el.attr("aria-checked", "true");
        $evaluation.children('.summary-score').toggleClass('visible', true);
        $score.html(that.options.scoreLabel + ' ' + (++that.score));
        that.errorCounts[panelId]++;
        if (that.answers[panelId] === undefined) {
          that.answers[panelId] = [];
        }
        that.answers[panelId].push(nodeId);
      }

      that.trigger('resize');
      that.triggerXAPI('interacted');

      // Trigger answered xAPI event on first try for the current
      // statement group
      if (that.userResponses[panelId].length === 1) {
        that.trigger(that.createXApiAnsweredEvent(
          that.summaries[panelId],
          that.userResponses[panelId] || [],
          panelId,
          that.timePassedInStopWatch(panelId)));
      }

      // Trigger overall answered xAPI event when finished
      if (finished) {
        that.triggerXAPIScored(that.getScore(), that.getMaxScore(), 'answered');
      }
    };

    // Initialize the visible and invisible progress counters
    $progressNumeric.html(that.options.solvedLabel + ' ' + this.progress + '/' + that.summaries.length);
    var interpolatedProgressText = that.options.progressText
      .replace(':num', that.progress)
      .replace(':total', that.summaries.length);
    $progress.html(interpolatedProgressText);

    // Add elements to content
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];

      if (i < that.progress) { // i is panelId
        for (var j = 0; j < element.summaries.length; j++) {
          var sum = element.summaries[j];
          if (that.answer[sum.id]) {
            $summary_list.append('<li style="display:block">' + sum.text + '</li>');
            $summary_container.addClass('has-results');
            break;
          }
        }
        // Cannot use continue; due to id/animation system
      }

      // added aria-labelledby property for readspeaker to read, when first option receive focus
      var $page = $('<ul aria-labelledby="questionDesc-'+that.summaryId+'" role="radiogroup" class="h5p-panel" data-panel="' + i + '"></ul>');


      // Create initial tip for first summary-list if tip is available
      if (i==0 && element.tip !== undefined && element.tip.trim().length > 0) {
        $evaluation_content.append(H5P.JoubelUI.createTip(element.tip, {
          tipLabel: that.options.tipButtonLabel
        }));
      }

      for (var j = 0; j < element.summaries.length; j++) {
        var summaryLineClass = 'summary-claim-unclicked';

        // If progress is at current task
        if (that.progress === i && that.answers[that.progress]) {
          // Check if there are any previous wrong answers.
          for (var k = 0; k < that.answers[that.progress].length; k++) {
            if (that.answers[that.progress][k] === element.summaries[j].id) {
              summaryLineClass = 'summary-failed';
              break;
            }
          }
        }

        var $node = $('' +
          '<li role="radio" aria-checked="false" data-name="'+j+'" data-bit="' + element.summaries[j].id + '" class="' + summaryLineClass + '">' +
            element.summaries[j].text +
          '</li>');
        // added tabindex = 0 for the first option to avoid accessing rest of the options via TAB
        (j == 0) ? $node.attr("tabindex", "0") : $node.attr("tabindex", "-1");

        $node.on('focus', function() {
          var ind = $(this).attr('data-name');
          setFocusIndex(ind);
        });

        // function captures the index of currently focused option
        var setFocusIndex = function(idx) {
          currentFocusedOption = idx;
        };

        // Do not add click event for failed nodes
        if (summaryLineClass === 'summary-failed') {
          $page.append($node);
          continue;
        }

        $node.click(function() {
          selectedAlt($(this));
        }).keydown(function (e) {
          switch (e.which) {
            case 13: // Enter
            case 32: // Space
              selectedAlt($(this), true);
              e.preventDefault();
              break;

            case 37: // Left Arrow
            case 38: // Up Arrow
              // Go to previous Option
              that.gotoPreviousOption(that, currentFocusedOption);
              e.preventDefault();
              break;

            case 39: // Right Arrow
            case 40: // Down Arrow
              // Go to next Option
              that.gotoNextOption(that, currentFocusedOption);
              e.preventDefault();
              break;
          }
        });

        $page.append($node);
      }

      $options.append($page);
    }

    if (that.progress === elements.length) {
      $evaluation_content.html(that.options.resultLabel);
      that.doFinalEvaluation();
    }
    else {
      // Show first panel
      $('.h5p-panel:eq(' + (that.progress) + ')', that.$myDom).css({display: 'block'});
      if (that.progress) {
        that.offset = ($('.summary-claim-unclicked:visible:first', that.$myDom).outerHeight() * that.errorCounts.length);
      }
    }

    that.trigger('resize');

    return this.$myDom;
  };

  /**
   * Announce if answered alternative was correct or wrong
   * @param isCorrect
   */
  Summary.prototype.announceAnswer = function (isCorrect) {
    const announcement = isCorrect
      ? this.options.labelCorrect
      : this.options.labelIncorrect;
    this.$answerAnnouncer.html(announcement);

    // Remove text so it can't be navigated to and read at a later point
    setTimeout(function () {
      this.$answerAnnouncer.html('');
    }.bind(this), 100);
  };

  /**
   * Returns true if answers have been given
   *
   * @return {boolean}
   */
  Summary.prototype.getAnswerGiven = function () {
    return this.errorCounts.length > 0;
  };

  /**
   * Handles moving the focus from the current option to the previous option and changes tabindex accorindgly
   *
   */
  Summary.prototype.gotoPreviousOption = function (that, currentFocusedOption) {
    this.currentFocusedOption = currentFocusedOption;
    var totOptions = that.summaries[that.progress].summary.length;
    var prevRadioEle = $("ul[data-panel="+that.progress+"] li[role='radio']", this.$myDom);

    //prevRadioEle.removeAttr("tabindex");
    prevRadioEle.attr("tabindex", "-1");
    this.currentFocusedOption--;

    if(this.currentFocusedOption < 0) {
        var num = totOptions - 1;
        prevRadioEle.eq(num).attr("tabindex", "0");
        prevRadioEle.eq(num).focus();
      }
      else {
        prevRadioEle.eq(this.currentFocusedOption).attr("tabindex", "0");
        prevRadioEle.eq(this.currentFocusedOption).focus();
      }
    };

  /**
   * Handles moving the focus from the current option to the next option and changes tabindex accorindgly
   *
   */
  Summary.prototype.gotoNextOption = function (that, currentFocusedOption) {
    this.currentFocusedOption = currentFocusedOption;
    var totOptions = that.summaries[that.progress].summary.length;
    var nextRadioEle = $("ul[data-panel="+that.progress+"] li[role='radio']", this.$myDom);

    //nextRadioEle.removeAttr("tabindex");
    nextRadioEle.attr("tabindex", "-1");
    this.currentFocusedOption++;

    if(this.currentFocusedOption == totOptions) {
      nextRadioEle.eq(0).attr("tabindex", "0");
      nextRadioEle.eq(0).focus();
    }
    else {
      nextRadioEle.eq(this.currentFocusedOption).attr("tabindex", "0");
      nextRadioEle.eq(this.currentFocusedOption).focus();
    }
  };

  /**
   * Calculate final score and display feedback.
   *
   * @param container
   * @param options_panel
   * @param list
   * @param score
   */
  Summary.prototype.doFinalEvaluation = function () {
    var that = this;
    var errorCount = this.countErrors();
    var maxScore = that.summaries.length;
    var score = maxScore - errorCount;

    // Calculate percentage
    var percent = 100 - (errorCount / that.errorCounts.length * 100);

    // Show final evaluation
    var summary = H5P.Question.determineOverallFeedback(that.options.overallFeedback, percent / 100)
      .replace('@score', score)
      .replace('@total', maxScore)
      .replace('@percent', Math.round(percent));

    $(".summary-evaluation-content", this.$myDom).removeAttr("tabindex");

    var scoreBarLabel = that.options.scoreBarLabel.replace(':num', score).replace(':total', maxScore);

    this.setFeedback(summary, score, maxScore, scoreBarLabel);

    // Only read out the score after the progress is read
    setTimeout(function() {
      that.setBehaviour({disableReadSpeaker: false});
      that.readFeedback();
      that.read(scoreBarLabel);
    }, 3000);

    that.trigger('resize');
  };

  /**
   * Resets the complete task back to its' initial state.
   * Used for contracts.
   */
  Summary.prototype.resetTask = function () {
    this.offset = 0;
    this.score = 0;
    this.progress = 0;
    this.answers = [];
    this.answer = [];
    this.errorCounts = [];
    this.userResponses = [];
    this.dataBitMap = [];

    if (this.$myDom) {
      const contentWrapper = this.$myDom[0].parentNode;
      contentWrapper.innerHTML = '';
      this.createQuestion();
      contentWrapper.appendChild(this.$myDom[0]);
      this.removeFeedback();
    }
  };

  /**
   * Adjust height of container.
   *
   * @param container
   * @param elements
   * @param el
   */
  Summary.prototype.adjustTargetHeight = function (container, elements, el) {
    var new_height = parseInt(elements.outerHeight()) + parseInt(el.outerHeight()) + parseInt(el.css('marginBottom')) + parseInt(el.css('marginTop'));
    if (new_height > parseInt(container.css('height'))) {
      container.animate({height: new_height});
    }
  };

  /**
   * Count amount of wrong answers
   *
   * @returns {number}
   */
  Summary.prototype.countErrors = function() {
    var error_count = 0;

    // Count boards without errors
    for (var i = 0; i < this.summaries.length; i++) {
      if (this.errorCounts[i] === undefined) {
        error_count++;
      }
      else {
        error_count += this.errorCounts[i] ? 1 : 0;
      }
    }

    return error_count;
  };

  /**
   * Returns the choices array for xApi statements
   *
   * @param {String[]} answers
   *
   * @return {{ choices: []}}
   */
  Summary.prototype.getXApiChoices = function (answers) {
    var choices = answers.map(function(answer, index){
      return XApiEventBuilder.createChoice(index.toString(), answer);
    });

    return {
      choices: choices
    };
  };

  /**
   * Saves the user response
   *
   * @param {number} questionIndex
   * @param {number} answerIndex
   */
  Summary.prototype.storeUserResponse = function (questionIndex, answerIndex) {
    var self = this;
    if(self.userResponses[questionIndex] === undefined){
      self.userResponses[questionIndex] = [];
    }

    self.userResponses[questionIndex].push(this.dataBitMap[questionIndex][answerIndex]);
  };

  /**
   * Starts a stopwatch for indexed slide
   *
   * @param {number} index
   */
  Summary.prototype.startStopWatch = function (index) {
    this.stopWatches[index] = this.stopWatches[index] || new StopWatch();
    this.stopWatches[index].start();
  };

  /**
   * Stops a stopwatch for indexed slide
   *
   * @param {number} [index]
   */
  Summary.prototype.stopStopWatch = function (index) {
    if(this.stopWatches[index]){
      this.stopWatches[index].stop();
    }
  };

  /**
   * Returns the passed time in seconds of a stopwatch on an indexed slide,
   * or 0 if not existing
   *
   * @param {number} index
   * @return {number}
   */
  Summary.prototype.timePassedInStopWatch = function (index) {
    if(this.stopWatches[index] !== undefined){
      return this.stopWatches[index].passedTime();
    }
    else {
      // if not created, return no passed time,
      return 0;
    }
  };

  /**
   * Returns the time the user has spent on all questions so far
   *
   * @return {number}
   */
  Summary.prototype.getTotalPassedTime = function () {
    return this.stopWatches
      .filter(function(watch){
        return watch !== undefined;
      })
      .reduce(function(sum, watch){
        return sum + watch.passedTime();
      }, 0);
  };

  /**
   * Creates an xAPI answered event for a single statement list
   *
   * @param {object} panel
   * @param {number[]} userAnswer
   * @param {number} panelIndex
   * @param {number} duration
   *
   * @return {H5P.XAPIEvent}
   */
  Summary.prototype.createXApiAnsweredEvent = function (panel, userAnswer, panelIndex, duration) {
    var self = this;

    // creates the definition object
    var definition = XApiEventBuilder.createDefinition()
      .name('Summary statement')
      .description(self.options.intro)
      .interactionType(XApiEventBuilder.interactionTypes.CHOICE)
      .correctResponsesPattern(['0'])
      .optional(self.getXApiChoices(panel.summary))
      .build();

    // create the result object
    var result = XApiEventBuilder.createResult()
      .response(userAnswer.join('[,]'))
      .duration(duration)
      .score((self.correctOnFirstTry(userAnswer) ? 1 : 0), 1)
      .build();

    return XApiEventBuilder.create()
      .verb(XApiEventBuilder.verbs.ANSWERED)
      .objectDefinition(definition)
      .context(self.contentId, self.subContentId)
      .contentId(self.contentId, panel.subContentId)
      .result(result)
      .build();
  };

  Summary.prototype.correctOnFirstTry = function(userAnswer){
    return (userAnswer.length === 1) && userAnswer[0] === 0;
  };

  /**
   * Retrieves the xAPI data necessary for generating result reports.
   *
   * @return {object}
   */
  Summary.prototype.getXAPIData = function(){
    var self = this;

    // create array with userAnswer
    var children = self.summaries.map(function(panel, index) {
        var userResponse = self.userResponses[index] || [];
        var duration = self.timePassedInStopWatch(index);
        var event = self.createXApiAnsweredEvent(panel, userResponse, index, duration);

        return {
          statement: event.data.statement
        };
    });

    var result = XApiEventBuilder.createResult()
      .score(self.getScore(), self.getMaxScore())
      .duration(self.getTotalPassedTime())
      .build();

    // creates the definition object
    var definition = XApiEventBuilder.createDefinition()
      .interactionType(XApiEventBuilder.interactionTypes.COMPOUND)
      .name(self.getTitle())
      .description(self.options.intro)
      .build();

    var xAPIEvent = XApiEventBuilder.create()
      .verb(XApiEventBuilder.verbs.ANSWERED)
      .contentId(self.contentId, self.subContentId)
      .context(self.getParentAttribute('contentId'), self.getParentAttribute('subContentId'))
      .objectDefinition(definition)
      .result(result)
      .build();

    return {
      statement: xAPIEvent.data.statement,
      children: children
    };
  };

  /**
   * Returns an attribute from this.parent if it exists
   *
   * @param {string} attributeName
   * @return {*|undefined}
   */
  Summary.prototype.getParentAttribute = function (attributeName) {
    var self = this;

    if(self.parent !== undefined){
      return self.parent[attributeName];
    }
  };

  return Summary;

})(H5P.jQuery, H5P.Question, H5P.Summary.XApiEventBuilder, H5P.Summary.StopWatch);
;
H5P.DragNBar = (function (EventDispatcher) {
  var nextInstanceIndex = 0;

  /**
   * Constructor. Initializes the drag and drop menu bar.
   *
   * @class
   * @param {Array} buttons
   * @param {H5P.jQuery} $container
   * @param {H5P.jQuery} $dialogContainer
   * @param {object} [options] Collection of options
   * @param {boolean} [options.disableEditor=false] Determines if DragNBar should be displayed in view or editor mode
   * @param {boolean} [options.enableCopyPaste=true] Determines if copy & paste is supported
   * @param {H5P.jQuery} [options.$blurHandlers] When clicking these element(s) dnb focus will be lost
   * @param {object} [options.libraries] Libraries to check against for paste notification
   */
  function DragNBar(buttons, $container, $dialogContainer, options) {
    var self = this;

    EventDispatcher.call(this);
    this.overflowThreshold = 13; // How many buttons to display before we add the more button.
    this.buttons = buttons;
    this.$container = $container;
    this.$dialogContainer = $dialogContainer;
    this.dnd = new H5P.DragNDrop(this, $container);
    this.dnd.snap = 10;
    this.newElement = false;
    this.enabled = true;
    var defaultOptions = {
      disableEditor: false,
      enableCopyPaste: true
    };
    options = H5P.jQuery.extend(defaultOptions, options);
    this.enableCopyPaste = options.enableCopyPaste;
    this.isEditor = !options.disableEditor;
    this.$blurHandlers = options.$blurHandlers ? options.$blurHandlers : undefined;
    this.libraries = options.libraries;
    this.instanceIndex = nextInstanceIndex++;

    /**
     * Keeps track of created DragNBar elements
     * @type {Array}
     */
    this.elements = [];

    // Create a popup dialog
    this.dialog = new H5P.DragNBarDialog($dialogContainer, $container);

    // Fix for forcing redraw on $container, to avoid "artifcats" on safari
    this.$container.addClass('hardware-accelerated');

    if (this.isEditor) {
      this.transformButtonActive = false;
      this.initEditor();
      this.initClickListeners();

      H5P.$window.resize(function () {
        self.resize();
      });
    }

    /**
     * Add button group.
     *
     * @private
     * @param {object[]} Buttons.
     * @param {H5P.jQuery} $button Button to add button group to.
     * @param {object} [options] Options.
     * @param {string} [options.title] Title for the group.
     */
    this.addButtonGroup = function (buttons, $button, options) {
      const $buttonGroup = H5P.jQuery('<li class="h5p-dragnbar-li h5p-dragnbar-button-group" data-label="Image"></li>');
      // Add optional title to the group
      if (options && options.title && options.title !=='') {
        H5P.jQuery('<div class="h5p-dragnbar-button-title">' + options.title + '</div>')
          .appendTo($buttonGroup);
      }

      // Container for buttons
      const $buttonGroupButtons = H5P.jQuery('<ul class="h5p-dragnbar-button-buttons h5p-dragnbar-ul"></ul>')
        .appendTo($buttonGroup);

      // Add buttons
      buttons.forEach(function (button) {
        self.addButton(button, $buttonGroupButtons);
      });

      $buttonGroup.insertAfter($button.parent());
      return $buttonGroup;
    };
  }

  // Inherit support for events
  DragNBar.prototype = Object.create(EventDispatcher.prototype);
  DragNBar.prototype.constructor = DragNBar;

  return DragNBar;
})(H5P.EventDispatcher);

/**
 * Initializes editor functionality of DragNBar
 */
H5P.DragNBar.prototype.initEditor = function () {
  var that = this;
  this.dnr = new H5P.DragNResize(this.$container);
  this.dnr.snap = 10;

  // Update coordinates when element is resized
  this.dnr.on('moveResizing', function () {
    var offset = that.$element.offset();
    var position = that.$element.position();
    that.updateCoordinates(offset.left, offset.top, position.left, position.top);
  });

  // Set pressed to not lose focus at the end of resize
  this.dnr.on('stoppedResizing', function () {
    that.pressed = true;

    // Delete pressed after dnbelement has been refocused so it will lose focus on single click.
    setTimeout(function () {
      delete that.pressed;
    }, 10);
  });

  /**
   * Show transform panel listeners
   */
  this.dnr.on('showTransformPanel', function () {
    TransformPanel(true);
  });
  this.dnd.on('showTransformPanel', function () {
    TransformPanel(true);
  });

  /**
   * Hide transform panel listeners
   */
  this.dnr.on('hideTransformPanel', function () {
    if (!that.transformButtonActive) {
      TransformPanel(false);
    }
  });
  this.dnd.on('hideTransformPanel', function () {
    if (!that.transformButtonActive) {
      TransformPanel(false);
    }
  });

  /**
   * Trigger a context menu transform to either show or hide
   * the transform panel.
   *
   * @param {boolean} show
   */
  function TransformPanel(show) {
    if (that.focusedElement) {
      that.focusedElement.contextMenu.trigger('contextMenuTransform', {showTransformPanel: show});
    }
  }

  this.dnd.startMovingCallback = function () {
    that.dnd.min = {x: 0, y: 0};
    that.dnd.max = {
      x: that.$container.width() - that.$element.outerWidth(),
      y: that.$container.height() - that.$element.outerHeight()
    };

    if (that.newElement) {
      that.dnd.adjust.x = 10;
      that.dnd.adjust.y = 10;
      that.dnd.min.y -= that.$list.height();
    }

    return true;
  };

  this.dnd.stopMovingCallback = function () {
    var pos = {};

    if (that.newElement) {
      that.$container.css('overflow', '');
      if (Math.round(parseFloat(that.$element.css('top'))) < 0) {
        // Try to center element, but avoid overlapping
        pos.x = (that.dnd.max.x / 2);
        pos.y = (that.dnd.max.y / 2);
        that.avoidOverlapping(pos, that.$element);
      }
    }

    if (pos.x === undefined || pos.y === undefined ) {
      pos.x = Math.round(parseFloat(that.$element.css('left')));
      pos.y = Math.round(parseFloat(that.$element.css('top')));
    }

    that.stopMoving(pos.x, pos.y);
    that.newElement = false;

    delete that.dnd.min;
    delete that.dnd.max;
  };
};

/**
 * Tries to position the given element close to the requested coordinates.
 * Element can be skipped to check if spot is available.
 *
 * @param {object} pos
 * @param {number} pos.x
 * @param {number} pos.y
 * @param {(H5P.jQuery|Object)} element object with width&height if ran before insertion.
 */
H5P.DragNBar.prototype.avoidOverlapping = function (pos, $element) {
  // Determine size of element
  var size = $element;
  if (size instanceof H5P.jQuery) {
    size = window.getComputedStyle(size[0]);
    size = {
      width: parseFloat(size.width),
      height: parseFloat(size.height)
    };
  }
  else {
    $element = undefined;
  }

  // Determine how much they can be manuvered
  var containerStyle = window.getComputedStyle(this.$container[0]);
  var manX = parseFloat(containerStyle.width) - size.width;
  var manY = parseFloat(containerStyle.height) - size.height;

  var limit = 16;
  var attempts = 0;

  while (attempts < limit && this.elementOverlaps(pos.x, pos.y, $element)) {
    // Try to place randomly inside container
    if (manX > 0) {
      pos.x = Math.floor(Math.random() * manX);
    }
    if (manY > 0) {
      pos.y = Math.floor(Math.random() * manY);
    }
    attempts++;
  }
};

/**
 * Determine if moving the given element to its new position will cause it to
 * cover another element. This can make new or pasted elements difficult to see.
 * Element can be skipped to check if spot is available.
 *
 * @param {number} x
 * @param {number} y
 * @param {H5P.jQuery} [$element]
 * @returns {boolean}
 */
H5P.DragNBar.prototype.elementOverlaps = function (x, y, $element) {
  var self = this;

  // Use snap grid
  x = Math.round(x / 10);
  y = Math.round(y / 10);

  for (var i = 0; i < self.elements.length; i++) {
    var element = self.elements[i];
    if ($element !== undefined && element.$element === $element) {
      continue;
    }

    if (x === Math.round(parseFloat(element.$element.css('left')) / 10) &&
        y === Math.round(parseFloat(element.$element.css('top')) / 10)) {
      return true; // Stop loop
    }
  }

  return false;
};

// Key coordinates
var SHIFT = 16;
var CTRL = 17;
var DELETE = 46;
var BACKSPACE = 8;
var C = 67;
var V = 86;
var LEFT = 37;
var UP = 38;
var RIGHT = 39;
var DOWN = 40;

// Keep track of key state
var ctrlDown = false;

// How many pixels to move
var snapAmount = 1;

/**
 * Handle keydown events for the entire frame
 */
H5P.DragNBar.keydownHandler = function (event) {
  var self = event.data.instance;
  var activeElement = document.activeElement;

  // Don't care about keys if parent editor is not in focus
  // This means all editors using drag-n-bar need to set a tabindex
  // (it's not done inside this library)
  if (self.$dialogContainer.find(activeElement).length === 0 && self.$dialogContainer.get(0) !== activeElement) {
    return;
  }

  if (event.which === CTRL) {
    ctrlDown = true;

    if (self.dnd.snap !== undefined) {
      // Disable snapping
      delete self.dnd.snap;
    }
  }

  if (event.which === SHIFT) {
    snapAmount = self.dnd.snap;
  }

  if (event.which === LEFT && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(-snapAmount, 0);
  }
  else if (event.which === UP && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(0, -snapAmount);
  }
  else if (event.which === RIGHT && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(snapAmount, 0);
  }
  else if (event.which === DOWN && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(0, snapAmount);
  }
  else if (event.which === C && ctrlDown && self.focusedElement && self.$container.is(':visible')) {
    self.copyHandler(event);
  }
  else if (event.which === V && ctrlDown && window.localStorage && self.$container.is(':visible')) {
    self.pasteHandler(event);
  }
  else if ((event.which === DELETE || event.which === BACKSPACE) && self.focusedElement && self.$container.is(':visible') && activeElement.tagName.toLowerCase() !== 'input') {
    if (self.pressed === undefined) {
      self.focusedElement.contextMenu.trigger('contextMenuRemove');
      event.preventDefault(); // Prevent browser navigating back
    }
  }
};

/**
 * Copy object.
 * @param {Event} event - Event to check for copyable content.
 */
H5P.DragNBar.prototype.copyHandler = function (event) {

  if (!this.enableCopyPaste) {
    return;
  }

  var self = event === undefined ? this : event.data.instance;
  // Copy element params to clipboard
  var elementSize = window.getComputedStyle(self.focusedElement.$element[0]);
  var width = parseFloat(elementSize.width);
  var height = parseFloat(elementSize.height) / width;
  width = width / (parseFloat(window.getComputedStyle(self.$container[0]).width) / 100);
  height *= width;

  self.focusedElement.toClipboard(width, height);
  H5P.externalDispatcher.trigger('datainclipboard', {reset: false});
};

/**
 * Paste object.
 * @param {Event} event - Event to check for pastable content.
 */
H5P.DragNBar.prototype.pasteHandler = function (event) {
  var self = event === undefined ? this : event.data.instance;
  var activeElement = document.activeElement;

  // Don't paste if parent editor is not in focus
  if (!this.enableCopyPaste || self.preventPaste || self.dialog.isOpen() ||
      activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
    return;
  }

  if (self.$pasteButton.hasClass('disabled')) {
    // Inform user why pasting is not possible
    const pasteCheck = H5PEditor.canPastePlus(H5P.getClipboard(), this.libraries);
    if (pasteCheck.canPaste !== true) {
      if (pasteCheck.reason === 'pasteTooOld' || pasteCheck.reason === 'pasteTooNew') {
        self.confirmPasteError(pasteCheck.description, 0, function () {});
      }
      else {
        H5PEditor.attachToastTo(
          self.$pasteButton.get(0),
          pasteCheck.description,
          {position: {horizontal: 'center', vertical: 'above', noOverflowX: true}}
        );
      }
      return;
    }
  }

  var clipboardData = localStorage.getItem('h5pClipboard');
  if (clipboardData) {
    // Parse
    try {
      clipboardData = JSON.parse(clipboardData);
    }
    catch (err) {
      console.error('Unable to parse JSON from clipboard.', err);
      return;
    }

    // Update file URLs
    H5P.DragNBar.updateFileUrls(clipboardData.specific, function (path) {
      var isTmpFile = (path.substr(-4,4) === '#tmp');
      if (!isTmpFile && clipboardData.contentId) {
        // Comes from existing content

        let prefix;
        if (H5PEditor.contentId) {
          // .. to existing content
          prefix = '../' + clipboardData.contentId + '/';
        }
        else {
          // .. to new content
          prefix = (H5PEditor.contentRelUrl ? H5PEditor.contentRelUrl : '../content/') + clipboardData.contentId + '/';
        }
        return path.substr(0, prefix.length) === prefix ? path : prefix + path;
      }

      return path; // Will automatically be looked for in tmp folder
    });

    if (clipboardData.generic) {
      // Use reference instead of key
      clipboardData.generic = clipboardData.specific[clipboardData.generic];

      // Avoid multiple content with same ID
      delete clipboardData.generic.subContentId;
    }

    self.trigger('paste', clipboardData);
  }
};

/**
 * Set state of paste button.
 * @param {boolean} canPaste - If true, button will be enabled
 */
H5P.DragNBar.prototype.setCanPaste = function (canPaste) {
  canPaste = canPaste || false;
  if (this.$pasteButton) {
    this.$pasteButton.toggleClass('disabled', !canPaste);
  }
};

/**
 * Confirm replace if there is content selected
 *
 * @param {number} top Offset
 * @param {function} next Next callback
 */
H5P.DragNBar.prototype.confirmPasteError = function (message, top, next) {
  // Confirm changing library
  var confirmReplace = new H5P.ConfirmationDialog({
    headerText: H5PEditor.t('core', 'pasteError'),
    dialogText: message,
    cancelText: ' ',
    confirmText: H5PEditor.t('core', 'ok')
  }).appendTo(document.body);
  confirmReplace.on('confirmed', next);
  confirmReplace.show(top);
};

/**
 * Handle keypress events for the entire frame
 */
H5P.DragNBar.keypressHandler = function (event) {
  var self = event.data.instance;
  if (event.which === BACKSPACE && self.focusedElement && self.$container.is(':visible') && document.activeElement.tagName.toLowerCase() !== 'input') {
    event.preventDefault(); // Prevent browser navigating back
  }
};

/**
 * Handle keyup events for the entire frame
 */
H5P.DragNBar.keyupHandler = function (event) {
  var self = event.data.instance;

  if (event.which === CTRL) {
    // Update key state
    ctrlDown = false;

    // Enable snapping
    self.dnd.snap = 10;
  }
  if (event.which === SHIFT) {
    snapAmount = 1;
  }

  if (self.focusedElement && (event.which === LEFT || event.which === UP || event.which === RIGHT || event.which === DOWN)) {
    // Store position of element after moving
    var position = self.getElementSizeNPosition();
    self.stopMoving(Math.round(position.left), Math.round(position.top));
  }
};

/**
 * Handle click events for the entire frame
 */
H5P.DragNBar.clickHandler = function (event) {
  var self = event.data.instance;

  // Remove pressed on click
  delete self.pressed;
};

/**
 * Initialize click listeners
 */
H5P.DragNBar.prototype.initClickListeners = function () {
  var self = this;
  var index = self.instanceIndex;

  // Register event listeners
  var eventData = {
    instance: self
  };
  H5P.$body.on('keydown.dnb' + index, eventData, H5P.DragNBar.keydownHandler)
    .on('keypress.dnb' + index, eventData, H5P.DragNBar.keypressHandler)
    .on('keyup.dnb' + index, eventData, H5P.DragNBar.keyupHandler)
    .on('click.dnb' + index, eventData, H5P.DragNBar.clickHandler);

  // Set blur handler element if option has been specified
  var $blurHandlers = this.$container;
  if (this.$blurHandlers) {
    $blurHandlers = this.$blurHandlers;
  }

  function handleBlur() {
    // Remove coordinates picker if we didn't press an element.
    if (self.pressed !== undefined) {
      delete self.pressed;
    }
    else {
      self.blurAll();
      if (self.focusedElement !== undefined) {
        delete self.focusedElement;
      }
    }
  }

  $blurHandlers
    .keydown(function (e) {
      if (e.which === 9) { // pressed tab
        handleBlur();
      }
    })
    .click(handleBlur);
};

/**
 * Update file URLs. Useful when copying between different contents.
 *
 * @param {object} params Reference
 * @param {function} handler Modifies the path to work when pasted
 */
H5P.DragNBar.updateFileUrls = function (params, handler) {
  for (var prop in params) {
    if (params.hasOwnProperty(prop) && params[prop] instanceof Object) {
      var obj = params[prop];
      if (obj.path !== undefined && obj.mime !== undefined) {
        obj.path = handler(obj.path);
      }
      else {
        H5P.DragNBar.updateFileUrls(obj, handler);
      }
    }
  }
};

/**
 * Attaches the menu bar to the given wrapper.
 *
 * @param {jQuery} $wrapper
 * @returns {undefined}
 */
H5P.DragNBar.prototype.attach = function ($wrapper) {
  var self = this;
  $wrapper.html('');
  $wrapper.addClass('h5peditor-dragnbar');

  var $list = H5P.jQuery('<ul class="h5p-dragnbar-ul"></ul>').appendTo($wrapper);
  this.$list = $list;

  for (var i = 0; i < this.buttons.length; i++) {
    var button = this.buttons[i];

    if (i === this.overflowThreshold) {
      const $buttonMore = H5P.jQuery('<li class="h5p-dragnbar-li"><a href="#" title="' + H5PEditor.t('H5P.DragNBar', 'moreElements') + '" class="h5p-dragnbar-a h5p-dragnbar-more-button"></a><ul class="h5p-dragnbar-li-ul"></ul></li>');
      $list = $buttonMore
        .appendTo($list)
        .click(function (e) {
          $list.stop().slideToggle(300);
          e.preventDefault();
        })
        .children(':first')
        .next();

      // Close "more" on click somewhere else
      H5P.jQuery(document).click(function (event) {
        if (!H5P.jQuery(event.target).is($buttonMore.find('.h5p-dragnbar-more-button')) && $list.css('display') !== 'none') {
          $list.stop().slideToggle(300);
        }
      });
    }

    this.addButton(button, $list);
  }

  if (this.enableCopyPaste) {
    // Paste button
    this.$pasteButton = H5P.jQuery(
      '<li class="h5p-dragnbar-li paste-button disabled">' +
        '<a href="#" class="h5p-dragnbar-a h5p-dragnbar-paste-button" />' +
      '</li>'
    );

    H5P.jQuery('<span>', {
      'class': 'h5p-dragnbar-tooltip',
      'text': H5PEditor.t('H5P.DragNBar', 'paste')
    }).appendTo(this.$pasteButton);

    this.$pasteButton.find('.h5p-dragnbar-paste-button').click(function (event) {
      event.preventDefault(); // Avoid anchor click making window scroll
      self.pasteHandler();
    });
    if (this.buttons.length > this.overflowThreshold) {
      this.$pasteButton.insertAfter($list.parent());
    }
    else {
      this.$pasteButton.appendTo($list);
    }
  }

  this.containTooltips();
};

/**
 * Add button.
 *
 * @param {type} button
 * @param {Function} button.createElement Function for creating element
 * @param {type} $list
 * @returns {undefined}
 */
H5P.DragNBar.prototype.addButton = function (button, $list) {
  var that = this;

  const hasTitle = (button.title && button.title !== '');
  const ariaLabel = hasTitle ? ' aria-label="' + button.title + '"' : '';
  var $button = H5P.jQuery(
    '<li class="h5p-dragnbar-li" data-label="Image">' +
      '<a href="#" class="h5p-dragnbar-a h5p-dragnbar-' + button.id + '-button"' + ariaLabel + '></a>' +
    '</li>'
  ).appendTo($list);

  // Prevent empty tooltips (would show on Firefox)
  if (hasTitle) {
    H5P.jQuery('<span/>', {
      'class': 'h5p-dragnbar-tooltip',
      'text': button.title
    }).appendTo($button);
  }

  let $buttonGroup;
  if (button.type === 'group') {
    // Create dropdown button group
    $buttonGroup = this.addButtonGroup(button.buttons, $button, {title: button.titleGroup});
    $buttonGroup.addClass('h5peditor-dragnbar-gone');

    // Close group on click somewhere else
    H5P.jQuery(document).click(function (event) {
      const hitButton = H5P.jQuery(event.target).is($button); // Closing handled by button itself
      const hitButtonGroup = H5P.jQuery(event.target).closest('.h5p-dragnbar-button-group').length === 1;
      if (!hitButton && !hitButtonGroup) {
        $buttonGroup.toggleClass('h5peditor-dragnbar-gone', true);
        $button.find('.h5p-dragnbar-tooltip').toggleClass('h5peditor-dragnbar-gone', false);
      }
    });
  }

  $button
    .hover(function () {
      that.containTooltips();
    })
    .children()
    .click(function () {
      return false;
    }).mousedown(function (event) {
      if (event.which !== 1 || !that.enabled) {
        return;
      }

      // Switch between normal button and dropdown button group
      if (button.type === 'group') {
        if ($buttonGroup !== undefined) {
          // Set position here, because content types might add buttons out of order
          const offset = parseFloat($button.closest('.h5p-dragnbar').css('padding-left'));
          const position = $button.position().left - $buttonGroup.position().left - offset;
          if (position > 0) {
            $buttonGroup.css('left', position);
          }

          // Show dropdown and hide buttons tooltip
          $buttonGroup.toggleClass('h5peditor-dragnbar-gone');
          $button.find('.h5p-dragnbar-tooltip').toggleClass('h5peditor-dragnbar-gone');
        }
      }
      else {
        that.newElement = true;
        that.pressed = true;
        var createdElement = button.createElement();
        that.$element = createdElement;
        that.$container.css('overflow', 'visible');
        // y = 0 will make sure this press is regarded as outside of canvas to place element correctly
        that.dnd.press(that.$element, event.pageX, 0);
        that.focus(that.$element);
      }
    });
};

/**
 * Contain tooltips.
 *
 * @returns {undefined}
 */
H5P.DragNBar.prototype.containTooltips = function () {
  var that = this;

  var containerWidth = that.$container.outerWidth();

  this.$list.find('.h5p-dragnbar-tooltip').each(function () {
    // Get correct offset even if element is a child
    var width = H5P.jQuery(this).outerWidth();
    var parentWidth = H5P.jQuery(this).parents('.h5p-dragnbar-li').last().outerWidth();

    // Center the tooltip
    H5P.jQuery(this).css('left', -(width / 2) + (parentWidth / 2) + 'px');

    var offsetLeft = H5P.jQuery(this).position().left += H5P.jQuery(this).parents('.h5p-dragnbar-li').last().position().left;

    // If outside left edge
    if (offsetLeft <= 0) {
      H5P.jQuery(this).css('left', 0);
    }

    // If outside right edge
    if (offsetLeft + width > containerWidth) {
      H5P.jQuery(this).css('left', -(width - parentWidth));
    }
  });
};

/**
 * Change container.
 *
 * @param {jQuery} $container
 * @returns {undefined}
 */
H5P.DragNBar.prototype.setContainer = function ($container) {
  this.$container = $container;
  if (this.dnd) {
    this.dnd.$container = $container;
  }
  if (this.dnr) {
    this.dnr.$container = $container;
  }
};

/**
 * Handler for when the dragging stops. Makes sure the element is inside its container.
 *
 * @param {Number} left
 * @param {Number} top
 * @returns {undefined}
 */
H5P.DragNBar.prototype.stopMoving = function (left, top) {
  // Calculate percentage
  top = top / (this.$container.height() / 100);
  left = left / (this.$container.width() / 100);
  this.$element.css({top: top + '%', left: left + '%'});

  // Give others the result
  if (this.stopMovingCallback !== undefined) {
    this.stopMovingCallback(left, top);
  }
};

/**
 * @typedef SizeNPosition
 * @type Object
 * @property {number} width Outer width of the element
 * @property {number} height Outer height of the element
 * @property {number} left The X Coordinate
 * @property {number} top The Y Coordinate
 * @property {number} containerWidth Inner width of the container
 * @property {number} containerHeight Inner height of the container
 */

/**
 *
 * Only works when element is inside this.$container. This is assumed and no
 * are done.
 *
 * @param {H5P.jQuery} [$element] Defaults to focused element.
 * @throws 'No element given' if $element is missing
 * @return {SizeNPosition}
 */
H5P.DragNBar.prototype.getElementSizeNPosition = function ($element) {
  $element = $element || this.focusedElement.$element;
  if (!$element || !$element.length) {
    throw 'No element given';
  }

  // Always use outer size for element
  var size = $element[0].getBoundingClientRect();

  // Always use position relative to container for element
  var position = window.getComputedStyle($element[0]);

  // We include container inner size as well
  var containerSize = window.getComputedStyle(this.$container[0]);

  // Start preparing return value
  var sizeNPosition = {
    width: parseFloat(size.width),
    height: parseFloat(size.height),
    left: parseFloat(position.left),
    top: parseFloat(position.top),
    containerWidth: parseFloat(containerSize.width),
    containerHeight: parseFloat(containerSize.height)
  };

  if (position.left.substr(-1, 1) === '%' || position.top.substr(-1, 1) === '%') {
    // Some browsers(Safari) gets percentage value instead of pixel value.
    // Container inner size must be used to calculate such values.
    sizeNPosition.left *= (sizeNPosition.containerWidth / 100);
    sizeNPosition.top *= (sizeNPosition.containerHeight / 100);
  }

  return sizeNPosition;
};

/**
 * Makes it possible to move dnb elements by adding to it's x and y
 *
 * @param {number} x Amount to move on x-axis.
 * @param {number} y Amount to move on y-axis.
 */
H5P.DragNBar.prototype.moveWithKeys = function (x, y) {

  /**
   * Ensure that the given value is within the given boundaries.
   *
   * @private
   * @param {number} value
   * @param {number} min
   * @param {number} max
   * @return {number}
   */
  var withinBoundaries = function (value, min, max) {
    if (value < min) {
      value = min;
    }
    if (value > max) {
      value = max;
    }

    return value;
  };

  // Get size and position of current elemet in focus
  var sizeNPosition = this.getElementSizeNPosition();

  // Change position
  sizeNPosition.left += x;
  sizeNPosition.top += y;

  // Check that values are within boundaries
  sizeNPosition.left = withinBoundaries(sizeNPosition.left, 0, sizeNPosition.containerWidth - sizeNPosition.width);
  sizeNPosition.top = withinBoundaries(sizeNPosition.top, 0, sizeNPosition.containerHeight - sizeNPosition.height);

  // Determine new position style
  this.$element.css({
    left: sizeNPosition.left + 'px',
    top: sizeNPosition.top + 'px',
  });

  this.dnd.trigger('showTransformPanel');

  // Update position of context menu
  this.updateCoordinates(sizeNPosition.left, sizeNPosition.top, sizeNPosition.left, sizeNPosition.top);
};

/**
 * Makes it possible to focus and move the element around.
 * Must be inside $container.
 *
 * @param {H5P.jQuery} $element
 * @param {Object} [options]
 * @param {H5P.DragNBarElement} [options.dnbElement] Register new element with dnbelement
 * @param {boolean} [options.disableResize] Resize disabled
 * @param {boolean} [options.lock] Lock ratio during resize
 * @param {string} [clipboardData]
 * @returns {H5P.DragNBarElement} Reference to added dnbelement
 */
H5P.DragNBar.prototype.add = function ($element, clipboardData, options) {
  var self = this;
  options = options || {};
  if (this.isEditor && !options.disableResize) {
    this.dnr.add($element, options);
  }
  var newElement = null;

  // Check if element already exist
  if (options.dnbElement) {
    // Set element as added element
    options.dnbElement.setElement($element);
    newElement = options.dnbElement;
  }
  else {
    options.element = $element;
    options.disableCopy = !this.enableCopyPaste;
    newElement = new H5P.DragNBarElement(this, clipboardData, options);
    this.elements.push(newElement);
  }

  $element.addClass('h5p-dragnbar-element');

  if (this.isEditor) {
    if (newElement.contextMenu) {
      newElement.contextMenu.on('contextMenuCopy', function () {
        self.copyHandler();
      });
    }

    if ($element.attr('tabindex') === undefined) {
      // Make it possible to tab between elements.
      $element.attr('tabindex', '0');
    }

    $element.mousedown(function (event) {
      if (event.which !== 1) {
        return;
      }

      self.pressed = true;
      self.focus($element);
      if (self.dnr.active !== true) { // Moving can be stopped if the mousedown is doing something else
        self.dnd.press($element, event.pageX, event.pageY);
      }
    });
  }

  $element.focus(function () {
    self.focus($element);
  });

  return newElement;
};

/**
 * Remove given element in the UI.
 *
 * @param {H5P.DragNBarElement} dnbElement
 */
H5P.DragNBar.prototype.removeElement = function (dnbElement) {
  dnbElement.removeElement();
};

/**
 * Select the given element in the UI.
 *
 * @param {jQuery} $element
 * @returns {undefined}
 */
H5P.DragNBar.prototype.focus = function ($element) {
  var self = this;

  // Blur last focused
  if (this.focusedElement && this.focusedElement.$element !== $element) {
    this.focusedElement.blur();
    this.focusedElement.hideContextMenu();
  }

  if (!$element.is(':visible')) {
    return; // Do not focus invisible items (fixes FF refocus issue)
  }

  // Keep track of the element we have in focus
  self.$element = $element;
  this.dnd.setElement($element);

  // Show and update coordinates picker
  this.focusedElement = this.getDragNBarElement($element);

  if (this.focusedElement) {
    this.focusedElement.showContextMenu();
    this.focusedElement.focus();
    self.updateCoordinates();
  }

  // Wait for potential recreation of element
  setTimeout(function () {
    self.updateCoordinates();
    if (self.focusedElement && self.focusedElement.contextMenu && self.focusedElement.contextMenu.canResize) {
      self.focusedElement.contextMenu.updateDimensions();
    }
  }, 0);
};

/**
 * Get dnbElement from $element
 * @param {jQuery} $element
 * @returns {H5P.DragNBarElement} dnbElement with matching $element
 */
H5P.DragNBar.prototype.getDragNBarElement = function ($element) {
  var foundElement;
  // Find object with matching element
  this.elements.forEach(function (element) {
    if (element.getElement().is($element)) {
      foundElement = element;
    }
  });
  return foundElement;
};

/**
 * Deselect all elements in the UI.
 *
 * @returns {undefined}
 */
H5P.DragNBar.prototype.blurAll = function () {
  this.elements.forEach(function (element) {
    element.blur();
  });
  delete this.focusedElement;
};

/**
 * Resize DnB, make sure context menu is positioned correctly.
 */
H5P.DragNBar.prototype.resize = function () {
  var self = this;
  this.updateCoordinates();

  if (self.focusedElement) {
    self.focusedElement.resizeContextMenu(self.$element.offset().left - self.$element.parent().offset().left);
  }
};

/**
 * Update the coordinates of context menu.
 *
 * @param {Number} [left]
 * @param {Number} [top]
 * @param {Number} [x]
 * @param {Number} [y]
 * @returns {undefined}
 */
H5P.DragNBar.prototype.updateCoordinates = function (left, top, x, y) {
  if (!this.focusedElement) {
    return;
  }

  var containerPosition = this.$container.position();

  if (left && top && x && y) {
    left = x + containerPosition.left;
    top = y + containerPosition.top;
    this.focusedElement.updateCoordinates(left, top, x, y);
  }
  else {
    var position = this.$element.position();
    this.focusedElement.updateCoordinates(position.left + containerPosition.left, position.top + containerPosition.top, position.left, position.top);
  }
};

/**
 * Creates element data to store in the clipboard.
 *
 * @param {string} from Source of the element
 * @param {object} params Element options
 * @param {string} [generic] Which part of the parameters can be used by other libraries
 * @returns {string} JSON
 */
H5P.DragNBar.clipboardify = function (from, params, generic) {
  var clipboardData = {
    from: from,
    specific: params
  };

  if (H5PEditor.contentId) {
    clipboardData.contentId = H5PEditor.contentId;
  }

  // Add the generic part
  if (params[generic]) {
    clipboardData.generic = generic;
  }

  return clipboardData;
};

/**
 * Make sure the given element is inside the container.
 *
 * @param {SizeNPosition} sizeNPosition For the element
 * @returns {SizeNPosition} Only the properties which require change
 */
H5P.DragNBar.fitElementInside = function (sizeNPosition) {
  var style = {};

  if (sizeNPosition.left < 0) {
    // Element sticks out of the left side
    style.left = sizeNPosition.left = 0;
  }

  if (sizeNPosition.width + sizeNPosition.left > sizeNPosition.containerWidth) {
    // Element sticks out of the right side
    style.left = sizeNPosition.containerWidth - sizeNPosition.width;
    if (style.left < 0) {
      // Element is wider than the container
      style.left = 0;
      style.width = sizeNPosition.containerWidth;
    }
  }

  if (sizeNPosition.top < 0) {
    // Element sticks out of the top side
    style.top = sizeNPosition.top = 0;
  }

  if (sizeNPosition.height + sizeNPosition.top > sizeNPosition.containerHeight) {
    // Element sticks out of the bottom side
    style.top = sizeNPosition.containerHeight - sizeNPosition.height;
    if (style.top < 0) {
      // Element is higher than the container
      style.top = 0;
      style.height = sizeNPosition.containerHeight;
    }
  }

  return style;
};

/**
 * Clean up any event listeners
 */
H5P.DragNBar.prototype.remove = function () {
  var index = this.instanceIndex;

  H5P.$body.off('keydown.dnb' + index, H5P.DragNBar.keydownHandler)
    .off('keypress.dnb' + index, H5P.DragNBar.keypressHandler)
    .off('keyup.dnb' + index, H5P.DragNBar.keyupHandler)
    .off('click.dnb' + index, H5P.DragNBar.clickHandler);
};

/**
 * Toggle dragging on/off.
 * When off can not start dragging in any new elements until turned on.
 */
H5P.DragNBar.prototype.toggleDrag = function (enabled = true) {
  if (enabled === undefined) {
    this.enabled = !this.enabled;
  }
  else {
    this.enabled = enabled;
  }
};/*global H5P*/

/**
 * Create context menu
 */
H5P.DragNBarContextMenu = (function ($, EventDispatcher) {

  /**
   * Constructor for context menu
   * @class
   * @param {jQuery} $container Parent container
   * @param {H5P.DragNBarElement} DragNBarElement
   * @param {boolean} [hasCoordinates] Decides if coordinates will be displayed
   * @param {boolean} [disableResize] No input for dimensions
   * @param {boolean} [disableCopy] Disable copy button
   * @param {'vertical' | 'horizontal'} [directionLock] Which way to lock resizing
   */
  function ContextMenu($container, DragNBarElement, hasCoordinates, disableResize, disableCopy, directionLock) {
    var self = this;
    EventDispatcher.call(this);

    /**
     * Keeps track of DragNBar object
     *
     * @type {H5P.DragNBar}
     */
    this.dnb = DragNBarElement.dnb;

    this.directionLock = directionLock;

    /**
     * Keeps track of DnBElement object
     *
     * @type {H5P.DragNBarElement}
     */
    this.dnbElement = DragNBarElement;

    /**
     * Keeps track of context menu container
     *
     * @type {H5P.jQuery}
     */
    this.$contextMenu = $('<div>', {
      'class': 'h5p-dragnbar-context-menu'
    });

    /**
     * Keeps track of buttons container
     *
     * @type {H5P.jQuery}
     */
    this.$buttons = $('<div>', {
      'class': 'h5p-context-menu-buttons'
    });

    /**
     * Keeps track of transform panel
     *
     * @type {H5P.jQuery}
     */
    this.$transformPanel = $('<div>', {
      'class': 'h5p-transform-panel hide'
    });

    /**
     * Keeps track of context menu parent
     *
     * @type {jQuery}
     */
    this.$parent = $container;

    /**
     * Keeps track of whether the context menu should display coordinates
     * @type {Boolean}
     */
    this.hasCoordinates = (hasCoordinates !== undefined ? hasCoordinates : true);

    /**
     * Determines if the dimensions can be changed.
     * @type {boolean}
     */
    this.canResize = !disableResize;

    /**
     * Determines if the transform panel is showing.
     * @type {boolean}
     */
    this.showingTransformPanel = false;

    /**
     * Button containing button name and event name that will be fired.
     * @typedef {Object} ContextMenuButton
     * @property {String} name Machine readable
     * @property {String} label Human readable
     */

    /**
     * Keeps track of button objects
     * @type {ContextMenuButton[]}
     */
    this.buttons = [
      {name: 'Edit', label: H5PEditor.t('H5P.DragNBar', 'editLabel')},
      {name: 'BringToFront', label: H5PEditor.t('H5P.DragNBar', 'bringToFrontLabel')},
      {name: 'SendToBack', label: H5PEditor.t('H5P.DragNBar', 'sendToBackLabel')},
      {name: 'Remove', label: H5PEditor.t('H5P.DragNBar', 'removeLabel')}
    ];

    if (!disableCopy) {
      this.buttons.splice(1, 0, {name: 'Copy', label: H5PEditor.t('H5P.DragNBar', 'copyLabel')});
    }

    /**
     * Register transform listener
     *
     * @param {event} [e] event
     * @param {Object} [e.data] event data
     * @param {Boolean} [e.data.showTransformPanel] Show transform panel
     */
    self.on('contextMenuTransform', function (e) {
      if (e && e.data.showTransformPanel !== undefined) {
        // Use event data
        self.showingTransformPanel = e.data.showTransformPanel;
      }
      else {
        // Toggle showing panel
        self.showingTransformPanel = !self.showingTransformPanel;
      }

      // Toggle sticky transform panel
      if (e.data.button === 'Transform') {
        if (self.dnb.transformButtonActive) {
          self.dnb.transformButtonActive = false;
        }
        else {
          self.dnb.transformButtonActive = true;
        }
      }

      // Remove sticky transform panel when focus is lost
      if (e.data.showTransformPanel == false) {
        self.dnb.transformButtonActive = false;
      }

      // Toggle buttons bar and transform panel
      self.toggleButtonsBar(!self.showingTransformPanel);
      self.toggleTransformPanel(self.showingTransformPanel);
      self.$transformButtonWrapper.toggleClass('active', self.showingTransformPanel);

      // Realign context menu
      self.dnb.updateCoordinates();
    });

    this.updateContextMenu();
  }

  // Inherit event dispatcher
  ContextMenu.prototype = Object.create(EventDispatcher.prototype);
  ContextMenu.prototype.constructor = ContextMenu;

  /**
   * Create coordinates in context menu
   */
  ContextMenu.prototype.addCoordinates = function () {
    // Coordinates disabled or exists
    if (!this.hasCoordinates || this.$coordinates) {
      return;
    }

    var self = this;

    // Add coordinates picker
    this.$coordinates = $(
      '<div class="h5p-dragnbar-coordinates">' +
        '<div class="h5p-dragnbar-label">' + H5PEditor.t('H5P.DragNBar', 'positionLabel') + '</div>' +
        '<div class="h5p-dragnbar-x-container" aria-label="X position">' +
          '<input class="h5p-dragnbar-x" type="text" value="0">' +
        '</div>' +
        '<span class="h5p-dragnbar-coordinates-separater">,</span>' +
        '<div class="h5p-dragnbar-y-container" aria-label="Y position">' +
          '<input class="h5p-dragnbar-y" type="text" value="0">' +
        '</div>' +
      '</div>'
    ).mousedown(function () {
      self.dnb.pressed = true;
    }).appendTo(this.$transformPanel);

    this.$x = this.$coordinates.find('.h5p-dragnbar-x');
    this.$y = this.$coordinates.find('.h5p-dragnbar-y');

    this.$x.add(this.$y).on('change keydown', function (event) {
      if (event.type === 'change' || event.which === 13) {

        // Get input
        var x = Number(self.$x.val());
        var y = Number(self.$y.val());

        if (!isNaN(x) && !isNaN(y)) {

          // Do not move outside of container
          var min = {x: 0 , y: 0};
          var max = {
            x: self.dnb.$container.width() - self.dnbElement.getElement().outerWidth(),
            y: self.dnb.$container.height() - self.dnbElement.getElement().outerHeight()
          };

          // Check min values
          if (x < 0) {
            x = min.x;
          }
          if (y < 0) {
            y = min.y;
          }

          // Check max values
          if (x > max.x) {
            x = max.x;
          }
          if (y > max.y) {
            y = max.y;
          }

          // Update and store location
          self.dnb.stopMoving(x, y);

          if (event.which === 13) {
            // Pressed enter, mark number for easy edit
            setTimeout(function () {
              event.target.focus();
              event.target.setSelectionRange(0, event.target.value.length);
            }, 0);
          }

          // Update context menu position
          self.dnb.updateCoordinates();
        }
      }
    }).click(function (event) {
      // Select coordinates numbers for easy edit
      event.target.focus();
      event.target.setSelectionRange(0, event.target.value.length);
    });
  };

  /**
   * Update the coordinates picker.
   *
   * @param {Number} left Left pos of context menu
   * @param {Number} top Top pos of context menu
   * @param {Number} x X value in coordinates
   * @param {Number} y Y value in coordinates
   */
  ContextMenu.prototype.updateCoordinates = function (left, top, x, y) {
    // Move it
    this.$contextMenu.css({
      left: left,
      top: top
    });

    // Set pos
    if (this.hasCoordinates) {
      this.$x.val(Math.round(x));
      this.$y.val(Math.round(y));
    }
  };

  /**
   * Create coordinates in context menu
   */
  ContextMenu.prototype.addDimensions = function () {
    var self = this;

    self.$dimensions = $('<div/>', {
      'class': 'h5p-dragnbar-dimensions'
    });

    // Add label
    $('<div/>', {
      'class': 'h5p-dragnbar-label',
      appendTo: self.$dimensions,
      text: H5PEditor.t('H5P.DragNBar', 'sizeLabel')
    });

    var updateDimensions = function (type) {
      var target = parseFloat(this.value);

      if (isNaN(target)) {
        return;
      }

      // Get element
      var $element = self.dnbElement.getElement();

      // Determine min&max values
      var min = H5P.DragNResize.MIN_SIZE;
      var containerSize = parseFloat(window.getComputedStyle(self.dnb.$container[0])[type]);
      var elementStyle = window.getComputedStyle($element[0]);
      var max = containerSize - parseFloat(elementStyle[type === 'width' ? 'left' : 'top']);

      if (target < min) {
        target = min;
      }
      if (target > max) {
        target = max;
      }

      // Set input field value
      self['$' + type].val(Math.round(target));

      // Remove any height padding before updating element
      var padding = $element[0].getBoundingClientRect()[type] - parseFloat(elementStyle[type]);
      target -= padding;

      $element.css(type, (target / (containerSize / 100)) + '%');

      var eventData = {};
      eventData[type] = target / self.dnb.dnr.containerEm;
      self.dnb.dnr.trigger('stoppedResizing', eventData);
    };

    // Add input for width
    self.$width = self.getNewInput('width', H5PEditor.t('H5P.DragNBar', 'widthLabel'), self.$dimensions, updateDimensions, self.directionLock === 'vertical');

    $('<span/>', {
      'class': 'h5p-dragnbar-dimensions-separator',
      text: '×',
      appendTo: self.$dimensions
    });

    self.$height = self.getNewInput('height', H5PEditor.t('H5P.DragNBar', 'heightLabel'), self.$dimensions, updateDimensions, self.directionLock === 'horizontal');

    self.dnb.dnr.on('moveResizing', function () {
      self.updateDimensions();
    });

    self.$dimensions.appendTo(self.$transformPanel);
  };

  /**
   * Add transform functionality
   *
   * @param [enableTransform]
   */
  ContextMenu.prototype.addTransform = function (enableTransform) {
    var self = this;
    var transformButtonObject = {name: 'Transform', label: H5PEditor.t('H5P.DragNBar', 'transformLabel')};
    var $transformButtonWrapper = $('<div>', {
      'class': 'h5p-transform-button-wrapper'
    });

    // Attach button
    if (enableTransform) {
      self.createButton(transformButtonObject)
        .appendTo($transformButtonWrapper);
    }

    self.$transformButtonWrapper = $transformButtonWrapper;
    return $transformButtonWrapper;
  };

  /**
   * Updates the values in the input fields for width and height.
   */
  ContextMenu.prototype.updateDimensions = function () {
    var self = this;
    var $element = self.dnbElement.getElement();
    var elementSize = window.getComputedStyle($element[0]);

    // Re-add any padding removed while updating size
    var paddingX = $element[0].getBoundingClientRect()['width'] - parseFloat(elementSize['width']);
    var paddingY = $element[0].getBoundingClientRect()['height'] - parseFloat(elementSize['height']);

    self.$width.val(Math.round(parseFloat(elementSize.width) + paddingX));
    self.$height.val(Math.round(parseFloat(elementSize.height) + paddingY));
  };

  /**
   * Creates a new input field for modifying an element property.
   *
   * @param {string} type
   * @param {string} label
   * @param {H5P.jQuery} $container
   * @param {function} handler
   * @param {boolean} disabled
   * @returns {H5P.jQuery}
   */
  ContextMenu.prototype.getNewInput = function (type, label, $container, handler, disabled) {
    // Wrap input element with label (implicit labeling)
    var $wrapper = $('<div/>', {
      'class': 'h5p-dragnbar-input h5p-dragnbar-' + type,
      'aria-label': label,
      appendTo: $container
    });

    // Create input field
    var $input = $('<input/>', {
      maxLength: 5,
      disabled: disabled === true,
      on: {
        change: function () {
          handler.call(this, type);
        },
        keydown: function (event) {
          if (event.which === 13) { // Enter key
            handler.call(this, type);
            $input.focus().select();
          }
          else if (event.which === 38 || event.which === 40) { // Up key
            // Increase or decrease the number by using the arrows keys
            var currentValue = parseFloat($input.val());
            if (!isNaN(currentValue)) {
              $input.val(currentValue + (event.which === 38 ? 1 : -1));
              handler.call(this, type);
            }
          }
        },
        keyup: function (event) {
          if (event.which === 38 || event.which === 40) { // Up or Down key
            $input.select(); // Select again
          }
        },
        click: function () {
          $input.select();
        }
      },
      appendTo: $wrapper
    });
    return $input;
  };

  /**
   * Create button and add it to buttons bar
   * @param {object} button
   */
  ContextMenu.prototype.addToMenu = function (button) {
    var self = this;

    self.createButton(button).appendTo(this.$buttons);
  };

  /**
   * Create button
   *
   * @param button
   * @param {string} button.name
   * @param {string} button.label
   *
   * @returns {H5P.jQuery}
   */
  ContextMenu.prototype.createButton = function (button) {
    var self = this;

    var $newButton = $('<div>', {
      'class': 'h5p-dragnbar-context-menu-button ' + button.name.toLowerCase(),
      'role': 'button',
      'tabindex': 0,
      'aria-label': button.label
    }).click(function () {
      self.dnb.pressed = true;
      self.trigger('contextMenu' + button.name, {button: button.name});
    }).keydown(function (e) {
      var keyPressed = e.which;
      // 32 - space
      if (keyPressed === 32) {
        $(this).click();
      }
    });

    return $newButton;
  };

  /**
   * Remove button from context menu
   * @param {String} buttonName
   */
  ContextMenu.prototype.removeFromMenu = function (buttonName) {
    var $removeButton = this.$buttons.children('.h5p-context-menu-button-' + buttonName);
    $removeButton.remove();
  };

  /**
   * Update context menu with current buttons. Useful when having added or removed buttons.
   */
  ContextMenu.prototype.updateContextMenu = function () {
    var self = this;

    // Clear context menu
    this.$buttons.children().remove();

    // Check if transform button should be enabled
    var enableTransform = false;

    // Add coordinates
    if (this.hasCoordinates) {
      this.addCoordinates();
      enableTransform = true;
    }

    // Add dimensions
    if (this.canResize) {
      this.addDimensions();
      enableTransform = true;
    }

    // Add menu elements
    this.buttons.forEach(function (button) {
      self.addToMenu(button);
    });

    // Add transform button
    this.addTransform(enableTransform)
      .appendTo(this.$contextMenu);

    this.$buttons.appendTo(this.$contextMenu);
    this.$transformPanel.appendTo(this.$contextMenu);
  };

  /**
   * Add button and update context menu.
   * @param {String} name
   * @param {String} label
   */
  ContextMenu.prototype.addButton = function (name, label) {
    this.buttons.push({name:name, label:label});
    this.updateContextMenu();
  };

  /**
   * Remove button from context menu
   * @param {string} name
   */
  ContextMenu.prototype.removeButton = function (name) {
    var self = this;

    // Check if button exists
    self.buttons.forEach(function (button, index) {
      if (button.name === name) {
        self.buttons.splice(index, 1);
        return;
      }
    });

    this.updateContextMenu();
  };

  /**
   * Toggle buttons visibility
   *
   * @param [showButtons] Show buttons
   */
  ContextMenu.prototype.toggleButtonsBar = function (showButtons) {
    var self = this;

    if (showButtons !== undefined) {
      self.$buttons.toggleClass('hide', !showButtons);
    }
    else {
      self.$buttons.toggleClass('hide');
    }
  };

  /**
   * Toggle transform panel visibility.
   *
   * @param [showTransformPanel] Show transform panel
   */
  ContextMenu.prototype.toggleTransformPanel = function (showTransformPanel) {
    var self = this;

    if (showTransformPanel !== undefined) {
      self.$transformPanel.toggleClass('hide', !showTransformPanel);
    }
    else {
      self.$transformPanel.toggleClass('hide');
    }
  };

  /**
   * Toggle if coordinates should show
   * @param {Boolean} [enableCoordinates] Enable coordinates
   */
  ContextMenu.prototype.toggleCoordinates = function (enableCoordinates) {
    if (enableCoordinates === undefined) {
      this.hasCoordinates = !this.hasCoordinates;
    }
    else {
      this.hasCoordinates = !!enableCoordinates;
    }

    this.updateContextMenu();
  };

  /**
   * Attach context menu to body.
   */
  ContextMenu.prototype.attach = function () {
    this.$contextMenu.appendTo(this.$parent);
  };

  /**
   * Detach context menu from DOM.
   */
  ContextMenu.prototype.detach = function () {
    this.$contextMenu.detach();
  };

  return ContextMenu;

})(H5P.jQuery, H5P.EventDispatcher);
;/*global H5P*/
H5P.DragNBarDialog = (function ($, EventDispatcher) {

  /**
   * Controls the dialog in the interactive video.
   *
   * @class
   * @param {H5P.jQuery} $container for dialog
   * @param {H5P.jQuery} $videoWrapper needed for positioning of dialog
   */
  function Dialog($container, $videoWrapper) {
    var KEY_CODE_ESC = 27;
    var KEY_CODE_ENTER = 13;
    var KEY_CODE_SPACE = 32;

    var self = this;
    var titleId = 'dialog-title-' + H5P.createUUID();

    // Initialize event inheritance
    EventDispatcher.call(self);

    /**
     * Stops propagating an event
     *
     * @param {Event} event
     */
    var stopEventPropagation = function (event) {
      // k is used to stop and start an interactive video
      if (event.which === 75) {
        event.stopPropagation();
      }
    };

    // Create DOM elements for dialog
    var $wrapper = $('<div/>', {
      'class': 'h5p-dialog-wrapper h5p-ie-transparent-background h5p-hidden',
      on: {
        click: function () {
          if (!self.disableOverlay)  {
            self.close();
          }
        },
        keyup: stopEventPropagation,
        keydown: stopEventPropagation
      }
    });
    var $dialog = $('<div/>', {
      'class': 'h5p-dialog h5p-big',
      'aria-labelledby': titleId,
      on: {
        click: function (event) {
          event.stopPropagation();
        },
        keydown: function (event) {
          var isClosable = $close.is(':visible');
          if (event.which === KEY_CODE_ESC && isClosable) {
            self.close();
          }
        }
      }
    }).appendTo($wrapper);

    // Create title bar
    var $titleBar = $('<div/>', {
      'class': 'h5p-dialog-titlebar',
      appendTo: $dialog
    });
    var $title = $('<div/>', {
      'class': 'h5p-dialog-title',
      id: titleId,
      appendTo: $titleBar
    });
    var $close = $('<div/>', {
      'role': 'button',
      'class': 'h5p-dialog-close',
      tabindex: '0',
      title: H5P.t('close'),
      'aria-label': H5P.t('close'),
      on: {
        click: function (event) {
          if (event.which === 1) {
            self.close();
          }
        },
        keypress: function (event) {
          if (event.which === KEY_CODE_SPACE || event.which === KEY_CODE_ENTER) {
            self.close();
            event.preventDefault();
          }
        }
      },
      appendTo: $titleBar
    });

    // Used instead of close
    var $customButtons;

    // Create inner DOM elements for dialog
    var $inner = $('<div/>', {
      'class': 'h5p-dialog-inner'
    }).appendTo($dialog);

    // Add all to DOM
    $wrapper.appendTo($container);

    /**
     * Reset the dialog's positioning
     *
     * @private
     */
    var resetPosition = function () {
      // Reset positioning
      $dialog.css({
        left: '',
        top: '',
        height: '',
        width: '',
        fontSize: '',
        bottom: ''
      });
      $inner.css({
        width: '',
        height: '',
        overflow: ''
      });
    };

    /**
     * Display overlay.
     *
     * @private
     * @param {function} next callback
     */
    var showOverlay = function (next) {
      $wrapper.show();
      setTimeout(function () {
        // Remove class on next tick to ensure css animation
        $wrapper.removeClass('h5p-hidden');
        if (next) {
          next();
        }
      }, 0);
    };

    /**
     * Close overlay.
     *
     * @private
     * @param {function} next callback
     */
    var hideOverlay = function (next) {
      $wrapper.addClass('h5p-hidden');
      setTimeout(function () {
        // Hide when animation is done
        $wrapper.hide();
        if (next) {
          next();
        }
      }, 200);
    };

    /**
     * Opens a new dialog. Displays the given element.
     *
     * @param {H5P.jQuery} $element
     * @param {string} [title] Label for the dialog
     * @param {string} [classes] For styling
     * @param {H5P.jQuery} [$buttons] Use custom buttons for dialog
     */
    self.open = function ($element, title, classes, $buttons) {
      showOverlay();
      $inner.children().detach().end().append($element);

      // Reset positioning
      resetPosition();
      $dialog.addClass('h5p-big');
      $title.attr('class', 'h5p-dialog-title' + (classes ? ' ' + classes : ''));

      // Add label
      if (!title) {
        title = '';
      }
      $title.html(title);

      // Clean up after previous custom buttons
      if ($customButtons) {
        $customButtons.remove();
        $close.show();
      }

      // Add new custom buttons
      if ($buttons) {
        $customButtons = $buttons;

        // Hide default close button
        $close.hide();

        // Add custom buttons
        $buttons.appendTo($titleBar);
      }

      self.resize();

      self.trigger('open');

      $dialog.one('transitionend', function() {
        // Find visible enabled inputs:
        var $inputs = $inner.find('input:visible:not(:disabled)');
        var $tabbables = $inner.find('[tabindex]');

        // Prioritize the focusing of inputs before other elements
        if ($inputs.length) {
          $inputs.get(0).focus();
        }
        // If other tabbables exist like h5p-text, focus on them
        else if ($tabbables.length) {
          $tabbables.get(0).focus();
        }
      });
    };

    self.resize = function () {
      if (!$dialog.hasClass('h5p-big')) {
        return;
      }

      var fontSize = toNum($inner.css('fontSize'));
      var titleBarHeight = ($titleBar.outerHeight() / fontSize);

      // Same as height
      var maxHeight = $container.height();
      // minus dialog margins
      maxHeight -= Number($dialog.css('top').replace('px', '')) * 2;

      $inner.css({
        width: '100%',
        maxHeight: ((maxHeight / fontSize) - titleBarHeight) + 'em',
        marginTop: titleBarHeight + 'em'
      });
      $dialog.css({
        bottom: 'auto',
        maxHeight: ''
      });
    };

    /**
     * Adds a name to the dialog for identifying what it contains.
     *
     * @param {string} machineName Name of library inside dialog.
     */
    self.addLibraryClass = function (machineName) {
      $dialog.attr('data-lib', machineName);
    };

    /**
     * Toggle class on the dialog Dom element
     * @method toggleClass
     * @param  {String}    cls    Classname
     * @param  {Boolean}   toggle
     */
    self.toggleClass = function (cls, toggle) {
      $dialog.toggleClass(cls, toggle);
    };

    self.isOpen = function () {
      return $wrapper.is(':visible');
    };

    /**
     * Reposition the currently open dialog relative to the given button.
     *
     * @param {H5P.jQuery} $button
     * @param {Object} [size] Sets a size for the dialog, useful for images.
     * @param {string|boolean} [type] Type of dialog. Possible values are
     * 'medium' and 'big'. It also supports an older version of the function,
     * i.e: type = true means 'medium'
     */
    self.position = function ($button, size, type) {
      // Still support old version of this function
      if (type === true) {
        type = 'medium';
      }

      resetPosition();
      $dialog.removeClass('h5p-big h5p-medium');
      var titleBarHeight = Number($inner[0].style.marginTop.replace('em', ''));

      // Use a fixed size
      if (size) {
        var fontSizeRatio = 16 / toNum($container.css('fontSize'));

        // Fixed width
        if (size.width) {
          size.width = (size.width * fontSizeRatio);
          $dialog.css('width', size.width + 'em');
        }

        // Fixed height
        if (size.height) {
          size.height = (size.height * fontSizeRatio) + titleBarHeight;
          $dialog.css('height', size.height + 'em');

          $inner.css({
            width: 'auto',
            overflow: 'hidden'
          });
        }
      }

      if (type === 'medium') {
        $dialog.addClass('h5p-medium');
      }

      if (type === 'big') {
        $dialog.addClass('h5p-big');
        $dialog.addClass('h5p-stretch');
      }

      var buttonWidth = $button.outerWidth(true);
      var buttonPosition = $button.position();
      var containerWidth = $container.width();
      var containerHeight = $container.height();

      // Position dialog horizontally
      var left = buttonPosition.left;
      var dialogWidth = $dialog.outerWidth(true);
      if (type === 'medium' && dialogWidth > containerWidth) {
        // If dialog is too big to fit within the container, display as h5p-big instead.
        // Only medium dialogs can become big
        $dialog.addClass('h5p-big');
        return;
      }

      if (buttonPosition.left > (containerWidth / 2) - (buttonWidth / 2)) {
        // Show on left
        left -= dialogWidth - buttonWidth;
      }

      // Make sure the dialog is within the video on the right.
      if ((left + dialogWidth) > containerWidth) {
        left = containerWidth - dialogWidth;
      }

      var marginLeft = parseInt($videoWrapper.css('marginLeft'));
      if (isNaN(marginLeft)) {
        marginLeft = 0;
      }

      // And finally, make sure we're within bounds on the left hand side too...
      if (left < marginLeft) {
        left = marginLeft;
      }

      // Position dialog vertically
      var marginTop = parseInt($videoWrapper.css('marginTop'));
      if (isNaN(marginTop)) {
        marginTop = 0;
      }

      // Set dialog size for dialogs which aren't stretched
      if (type !== 'big') {
        var top = (type === 'medium' ? 0 : (buttonPosition.top + marginTop));
        var totalHeight = top + $dialog.outerHeight(true);
        if (totalHeight > containerHeight) {
          top -= totalHeight - containerHeight;
        }
        var maxHeight = $container.height() - top + $dialog.height() - $dialog.outerHeight(true);
        var fontSize = toNum($container.css('fontSize'));

        $dialog.css({
          top: (top / (containerHeight / 100)) + '%',
          left: (left / (containerWidth / 100)) + '%',
          width: (window.getComputedStyle($dialog[0]).width / fontSize) + 'em',
          maxHeight: (maxHeight / fontSize) + 'em'
        });
        $inner.css('maxHeight', ((maxHeight - $titleBar.outerHeight(true)) / fontSize) + 'em');
      }
    };

    /**
     * Find max available space inside dialog when positioning relative to
     * given button.
     *
     * @param {H5P.jQuery} $button
     * @param {Boolean} fullScreen True if dialog fills whole parent
     * @returns {Object} Attrs: width, height
     */
    self.getMaxSize = function ($button, fullScreen) {
      var buttonWidth = $button.outerWidth(true);
      var buttonPosition = $button.position();
      var containerWidth = $container.width();

      var max = {};
      max.height = Number($inner.css('maxHeight').replace('px', ''));

      // If border, extract that:
      max.height -= Number($inner.css('border-width').replace('px', '')) * 2;

      if (fullScreen) {
        max.width = containerWidth;
      }
      else {
        if (buttonPosition.left > (containerWidth / 2) - (buttonWidth / 2)) {
          // Space to the left of the button minus margin
          max.width = buttonPosition.left;
        }
        else {
          // Space to the right of the button minus margin
          max.width = (containerWidth - buttonPosition.left - buttonWidth);
        }
      }

      // Use em
      var fontSize = toNum($container.css('fontSize'));
      max.width = (max.width / fontSize) * (fontSize / 16);
      max.height = (max.height / fontSize) * (fontSize / 16);

      return max;
    };

    /**
     * Scroll to given position in current dialog.
     *
     * @param {number} to Scroll position
     * @param {number} ms Time the animation takes.
     */
    self.scroll = function (to, ms) {
      $inner.stop().animate({
        scrollTop: to
      }, ms);
    };

    /**
     * Close the currently open dialog.
     */
    self.close = function (closeInstant) {
      $wrapper.addClass('h5p-hidden');

      if (closeInstant) {
        $wrapper.hide();
        self.disableOverlay = false;
        $close.show();
      }
      else {
        setTimeout(function () {
          $wrapper.hide();
          self.disableOverlay = false;
          $close.show();
        }, 201);
      }

      self.trigger('close');

      // Let others reach to the hiding of this dialog
      self.trigger('domHidden', {
        '$dom': $wrapper,
        'key': 'dialogClosed'
      }, {'bubbles': true, 'external': true});
    };

    /**
     * Open overlay only.
     */
    self.openOverlay = function () {
      self.disableOverlay = true;
      $dialog.hide();
      showOverlay();
    };

    /**
     * Close overlay only.
     */
    self.closeOverlay = function () {
      $wrapper.addClass('h5p-hidden');
      hideOverlay(function () {
        $dialog.show();
        self.disableOverlay = false;
      });
    };

    /**
     * Removes the close button from the current dialog.
     */
    self.hideCloseButton = function () {
      $close.hide();
    };

    /**
     * Get width of dialog
     * @returns {Number} Width of dialog
     */
    self.getDialogWidth = function () {
      return $dialog.width();
    };

    /**
     * Reset dialog width
     */
    self.removeStaticWidth = function () {
      $dialog.css('width', '');
    };
  }

  // Extends the event dispatcher
  Dialog.prototype = Object.create(EventDispatcher.prototype);
  Dialog.prototype.constructor = Dialog;


  /**
   * Converts css px value to number.
   *
   * @private
   * @param {string} num
   * @returns {Number}
   */
  var toNum = function (num) {
    return Number(num.replace('px',''));
  };

  return Dialog;
})(H5P.jQuery, H5P.EventDispatcher);
;/*global H5P*/

/**
 * Create Drag N Bar Element. Connects a DragNBar element to a context menu
 */
H5P.DragNBarElement = (function ($, ContextMenu, EventDispatcher) {

  /**
   * Constructor DragNBarElement
   *
   * @class
   * @param {H5P.DragNBar} dragNBar Parent dragNBar toolbar
   * @param {object} [clipboardData]
   * @param {Object} [options] Button object that the element is created from
   * @param {Boolean} [options.disableContextMenu] Decides if element should have editor functionality
   * @param {Function} [options.createElement] Function for creating element from button
   * @param {Function} [options.disableCopy] Copy button disabled or enabled?
   * @param {boolean} [options.hasCoordinates] Decides if element will display coordinates
   * @param {H5P.jQuery} [options.element] Element
   */
  function DragNBarElement(dragNBar, clipboardData, options) {
    var self = this;
    EventDispatcher.call(this);

    this.dnb = dragNBar;
    this.options = options || {};
    if (!this.options.disableContextMenu) {
      this.contextMenu = new ContextMenu(this.dnb.$dialogContainer, this, this.options.hasCoordinates, this.options.disableResize, this.options.disableCopy, this.options.directionLock);
    }
    this.focused = false;

    if (this.options.createElement) {
      this.$element = this.options.createElement().appendTo(dragNBar.$container);
      this.focus();
    }
    else {
      this.$element = this.options.element;
    }

    // Let dnb know element has been pressed
    if (this.$element) {
      if (this.dnb.isEditor) {
        this.$element.mousedown(function () {
          self.dnb.pressed = true;
        });
      }

      // Run custom focus function on element focus
      this.$element.focus(function () {
        self.focus();
      });
    }

    /**
     * Store element paramets in the local storage.
     */
    self.toClipboard = function (width, height) {
      if (clipboardData && localStorage) {
        clipboardData.width = width;
        clipboardData.height = height;
        H5P.setClipboard(clipboardData);
      }
    };
  }

  // Inheritance
  DragNBarElement.prototype = Object.create(EventDispatcher.prototype);
  DragNBarElement.prototype.constructor = DragNBarElement;

  /**
   * Add button to context menu.
   *
   * @param {string} name
   * @param {string} label
   */
  DragNBarElement.prototype.addButton = function (name, label) {
    this.contextMenu.addToMenu({name:name, label:label});
  };

  /**
   * Get element
   * @returns {H5P.jQuery}
   */
  DragNBarElement.prototype.getElement = function () {
    return this.$element;
  };

  /**
   * Set element
   * @param {H5P.jQuery} $element
   */
  DragNBarElement.prototype.setElement = function ($element) {
    var self = this;
    this.$element = $element;

    // Register custom focus function on new element focus
    this.$element.focus(function () {
      self.focus();
    });
  };

  /**
   * Show context menu
   */
  DragNBarElement.prototype.showContextMenu = function () {
    if (this.contextMenu) {
      this.contextMenu.attach();
    }
  };

  /**
   * Hide context menu
   */
  DragNBarElement.prototype.hideContextMenu = function () {
    if (this.contextMenu) {
      this.contextMenu.detach();
    }
  };

  /**
   * Update coordinates in context menu to current location
   *
   * @param {Number} left Left position of context menu
   * @param {Number} top Top position of context menu
   * @param {Number} x X coordinate of context menu
   * @param {Number} y Y coordinate of context menu
   */
  DragNBarElement.prototype.updateCoordinates = function (left, top, x, y) {
    if (this.contextMenu) {
      this.contextMenu.updateCoordinates(left, top, x, y);
      this.resizeContextMenu(x);
    }
  };

  /**
   * Float context menu left if width exceeds parent container.
   *
   * @param {Number} [left] Left position of context menu.
   */
  DragNBarElement.prototype.resizeContextMenu = function (left) {
    if (this.options.disableContextMenu) {
      return;
    }

    // Need to take into account the left padding of the contextmenu's parent
    var paddingLeft = Number(this.contextMenu.$parent.css('padding-left').replace('px', ''));
    left = (left || this.$element.position().left) + paddingLeft;
    var containerWidth = this.dnb.$container.width();
    var $cm = this.contextMenu.$contextMenu;

    // Measure full outer width
    $cm.css({
      position: 'absolute',
      left: 0
    });
    var contextMenuWidth = $cm.outerWidth(true);

    // Reset to default
    $cm.css({
      position: '',
      left: left
    });

    var isTooWide = left + contextMenuWidth >= containerWidth;

    if (isTooWide) {
      var newLeft = left - contextMenuWidth;
      this.contextMenu.$contextMenu.css('left', newLeft + 'px');
      this.contextMenu.$contextMenu.addClass('left-aligned');
    }
    else {
      this.contextMenu.$contextMenu.removeClass('left-aligned');
    }
  };

  /**
   * Blur element and hide context menu.
   */
  DragNBarElement.prototype.blur = function () {
    if (this.$element) {
      this.$element.removeClass('focused');
      this.focused = false;

      if (!this.options.disableContextMenu) {
        // Hide transform panel
        this.contextMenu.trigger('contextMenuTransform', {showTransformPanel: false});
      }
    }
    this.hideContextMenu();
  };

  /**
   * Focus element
   */
  DragNBarElement.prototype.focus = function () {
    this.$element.addClass('focused');
    this.focused = true;
    if (this.contextMenu) {
      this.resizeContextMenu(this.$element.position().left);
    }
  };

  /**
   * Remove element and hide context menu
   */
  DragNBarElement.prototype.removeElement = function () {
    this.$element.detach();
    this.hideContextMenu();
  };

  return DragNBarElement;

})(H5P.jQuery, H5P.DragNBarContextMenu, H5P.EventDispatcher);
;(function (DragNBar, EventDispatcher) {

  /**
   * Allows different forms to be places on top of each other instead of
   * in a dialog.
   *
   * @class H5P.DragNBar.FormManager
   * @extends H5P.EventDispatcher
   * @param {*} parent
   * @param {Object} l10n
   */
  DragNBar.FormManager = function (parent, l10n, customIconClass) {
    /** @alias H5P.DragNBar.FormManager# */
    var self = this;

    // Initialize event inheritance
    EventDispatcher.call(self);

    const formTargets = [self];
    let head, footer, subForm, titles, handleTransitionend, proceedButton, breadcrumbButton, alwaysShowButtons;

    /**
     * Initialize the FormManager.
     * Create frame breadcrumbs, and fullscreen button.
     *
     * @private
     */
    const initialize = function () {
      self.isMainLibrary = !(parent instanceof H5PEditor.Library)

      // Locate target container
      self.formContainer = (self.isMainLibrary ? parent.$form : parent.$libraryWrapper)[0];
      self.formContainer.classList.add('form-manager');
      self.formContainer.classList.add('root-form');

      head = document.createElement('div');
      head.classList.add('form-manager-head');
      footer = document.createElement('div');
      footer.classList.add('form-manager-head');
      footer.classList.add('form-manager-footer');
      self.footer = footer;

      // Create button to toggle preivous menu on narrow layouts
      breadcrumbButton = createButton('breadcrumb-menu', l10n.expandBreadcrumbButtonLabel, self.toggleBreadcrumbMenu);
      breadcrumbButton.classList.add('form-manager-disabled');
      head.appendChild(breadcrumbButton);

      // Create breadcrumb menu to use when the layout is too narrow for the regular breadcrumb
      self.formBreadcrumbMenu = document.createElement('div');
      self.formBreadcrumbMenu.classList.add('form-manager-breadcrumb-menulist');
      head.appendChild(self.formBreadcrumbMenu);

      // Create breadcrumb wrapper
      self.formBreadcrumb = document.createElement('div');
      self.formBreadcrumb.classList.add('form-manager-breadcrumb');
      head.appendChild(self.formBreadcrumb);

      // Create the first part of the breadcrumb
      const titles = createTitles(parent);
      titles.breadcrumb.classList.add('form-manager-comein');
      self.formBreadcrumb.appendChild(titles.breadcrumb);
      self.formBreadcrumbMenu.appendChild(titles.menu);

      // Create 'Proceed to save' button
      proceedButton = createButton('proceed', H5PEditor.t('core', 'proceedButtonLabel'), function () {
        if (manager.exitSemiFullscreen) {
          // Trigger semi-fullscreen exit
          manager.exitSemiFullscreen();
          manager.exitSemiFullscreen = null;
        }
      });
      hideElement(proceedButton);
      head.appendChild(proceedButton);

      // Create a container for the action buttons
      self.formButtons = document.createElement('div');
      self.formButtons.classList.add('form-manager-buttons');
      self.footerFormButtons = document.createElement('div');
      self.footerFormButtons.classList.add('form-manager-buttons');
      hideElement(self.footerFormButtons);
      hideElement(self.formButtons); // Buttons are hidden by default
      footer.appendChild(self.footerFormButtons);
      head.appendChild(self.formButtons);

      // Create 'Delete' button
      self.formButtons.appendChild(createButton('delete', l10n.deleteButtonLabel, function () {
        const e = new H5P.Event('formremove');
        e.data = formTargets.length;
        formTargets[formTargets.length - 1].trigger(e);
        if (!e.preventRemove && formTargets.length > 1) {
          closeForm();
        }
      }));

      // Create 'Done' button
      self.formButtons.appendChild(createButton('done', l10n.doneButtonLabel, function () {
        formTargets[formTargets.length - 1].trigger('formdone', formTargets.length);
        if (formTargets.length > 1) {
          closeForm();
        }
      }));

      // Footer form buttons
      self.footerFormButtons.appendChild(createButton('done', l10n.doneButtonLabel, function () {
        formTargets[formTargets.length - 1].trigger('formdone', formTargets.length);
        if (formTargets.length > 1) {
          closeForm();
        }
      }));

      self.footerFormButtons.appendChild(createButton('delete', l10n.deleteButtonLabel, function () {
        const e = new H5P.Event('formremove');
        e.data = formTargets.length;
        formTargets[formTargets.length - 1].trigger(e);
        if (!e.preventRemove && formTargets.length > 1) {
          closeForm();
        }
      }));

      // Check if we should add the fullscreen button
      if (self.isMainLibrary && H5PEditor.semiFullscreen !== undefined) {
        // Create and insert fullscreen button into header
        const fullscreenButton = createButton('fullscreen', '', function () {
          if (manager.exitSemiFullscreen) {
            // Trigger semi-fullscreen exit
            manager.exitSemiFullscreen();
          }
          else {
            // Trigger semi-fullscreen enter
            manager.exitSemiFullscreen = H5PEditor.semiFullscreen([manager.formContainer], function () {
              if (!subForm) {
                showElement(proceedButton);
              }
              toggleFullscreenButtonState(fullscreenButton, true);
              self.trigger('formentersemifullscreen');
            }, function () {
              manager.exitSemiFullscreen = null;
              if (!subForm) {
                hideElement(proceedButton);
              }
              toggleFullscreenButtonState(fullscreenButton);
              self.trigger('formexitsemifullscreen');
            });
          }
        });
        toggleFullscreenButtonState(fullscreenButton);
        head.appendChild(fullscreenButton);
      }

      window.addEventListener('resize', self.updateFormResponsiveness);
      // Always clean up on remove
      self.on('remove', function () {
        window.removeEventListener('resize', self.updateFormResponsiveness);
      });

      const overlay = document.createElement('div');
      overlay.classList.add('form-mananger-overlay');
      self.formContainer.insertBefore(overlay, self.formContainer.firstChild);

      // Insert everything in the top of the form DOM
      self.formContainer.insertBefore(head, self.formContainer.firstChild);
      hideElement(footer);
      self.formContainer.appendChild(manager.footer);


      // Always clean up on remove
      self.on('validate', function () {
        if (parent.metadata && (!parent.metadata.title || !H5P.trim(parent.metadata.title))) {
          // We are trying to save the form without a title
          self.closeFormUntil(0);
        }
      });
    };

    /**
     * Helper for creating buttons.
     *
     * @private
     * @param {string} id
     * @param {string} text
     * @param {function} clickHandler
     * @return {Element}
     */
    const createButton = function (id, text, clickHandler) {
      const button = document.createElement('button');
      button.setAttribute('type', 'button');
      button.classList.add('form-manager-button');
      button.classList.add('form-manager-' + id);
      button.setAttribute('aria-label', text);
      button.addEventListener('click', clickHandler);

      // Create special inner filler to avoid focus from pointer devices.
      const content = document.createElement('span');
      content.classList.add('form-manager-button-inner');
      content.innerText = text
      content.tabIndex = -1;
      button.appendChild(content);

      return button;
    };

    /**
     * Create two titles, one for the breadcrumb and for the expanded
     * breadcrumb menu used for narrow layouts.
     *
     * @private
     * @param {H5PEditor.Library} libraryField
     * @return {Element[]}
     */
    const createTitles = function (libraryField, customTitle, customIconId) {

      const library = (libraryField.params && libraryField.params.library) ? libraryField.params.library : (libraryField.currentLibrary ? libraryField.currentLibrary : undefined);

      // Create breadcrumb section.
      const title = document.createElement('div');
      title.classList.add('form-manager-title');

      // Create breadcrumb section.
      const menuTitle = document.createElement('div');
      menuTitle.classList.add('form-manager-menutitle');
      menuTitle.tabIndex = '0';
      menuTitle.addEventListener('click', function () {
        handleBreadcrumbClick.call(title);
      });
      menuTitle.addEventListener('keypress', function (e) {
        handleBreadcrumbKeypress.call(title, e);
      });

      // For limiting the length of the menu title
      const menuTitleText = document.createElement('span');
      menuTitleText.classList.add('form-manager-menutitle-text');
      menuTitle.appendChild(menuTitleText);

      // Create a tooltip that can be display the whole text on hover
      const menuTitleTooltip = document.createElement('span');
      menuTitleTooltip.classList.add('form-manager-tooltip');
      menuTitle.appendChild(menuTitleTooltip);

      // Create a text wrapper so we can limit max-width on the text
      const textWrapper = document.createElement('span');
      textWrapper.classList.add('truncatable-text');
      textWrapper.tabIndex = -1;
      title.appendChild(textWrapper);

      // Create a tooltip that can display the whole text on hover
      const tooltip = document.createElement('span');
      tooltip.classList.add('form-manager-tooltip');
      title.appendChild(tooltip);

      /**
       * @private
       * @param {string} title WARNING: This is Text do not use as HTML.
       */
      const setTitle = function (title) {
        textWrapper.innerText = menuTitleText.innerText = tooltip.innerText = menuTitleTooltip.innerText = title;
      };

      /**
       * @private
       * @return {string} WARNING: This is Text do not use as HTML.
       */
      const getTitle = function () {
        if (customTitle) {
          return customTitle;
        }
        else if (libraryField.params && libraryField.params.metadata && libraryField.params.metadata.title &&
            libraryField.params.metadata.title.substr(0, 8) !== 'Untitled' ||
            libraryField.metadata && libraryField.metadata.title &&
            libraryField.metadata.title.substr(0, 8) !== 'Untitled') {
          return getText(libraryField.metadata ? libraryField.metadata.title : libraryField.params.metadata.title);
        }
        else {
          if (libraryField.$select !== undefined && libraryField.$select.children(':selected').text() !== '-') {
            return libraryField.$select.children(':selected').text();
          }
          else {
            return H5PEditor.libraryCache[library].title;
          }
        }
      };

      // Set correct starting title
      setTitle(getTitle());

      /**
       * Help listen for title changes after library has been fully loaded
       * @private
       */
      const listenForTitleChanges = function () {
        if (libraryField.metadataForm) {
          libraryField.metadataForm.on('titlechange', function (e) {
            // Handle changes to the metadata title
            setTitle(getTitle());
            manager.updateFormResponsiveness();
          });
        }

        if (textWrapper.innerText === 'Loading...') {
          // Correct title was not set initally, try again after library load
          setTitle(getTitle());
          manager.updateFormResponsiveness();
        }
      };

      // Listen for title updates
      if (libraryField.metadataForm === undefined && libraryField.change) {
        libraryField.change(listenForTitleChanges);
      }
      else {
        listenForTitleChanges();
      }

      const iconId = customIconId ? customIconId : library.split(' ')[0].split('.')[1].toLowerCase();
      title.classList.add('form-manager-icon-' + iconId);
      menuTitle.classList.add('form-manager-icon-' + iconId);
      if (customIconClass) {
        title.classList.add('form-manager-' + customIconClass);
        menuTitle.classList.add('form-manager-' + customIconClass);
      }

      return {
        breadcrumb: title,
        menu: menuTitle
      };
    };

    /**
     * Look through all parent ancestors to see if a manager already exists.
     *
     * @private
     * @param {*} parent
     * @return {DragNBar.FormManager}
     */
    const findExistingManager = function (parent) {
      if (parent instanceof DragNBar.FormManager) {
        return parent.getFormManager(); // Found our parent manager
      }
      if (parent.parent) {
        // Looks deeper
        return findExistingManager(parent.parent);
      }
      else {
        return self; // Use our self
      }
    };

    /**
     * Help hide an element.
     *
     * @param {Element} element
     * @private
     */
    const hideElement = function (element) {
      // Make sure element is hidden while still retaining its width without
      // expanding the container's height. This is due to some editors resizing
      // if their container changes size which leads to some funny transitions.
      // Also, having invisible height causes resize loops.
      element.classList.add('form-manager-hidden');
      element.setAttribute('aria-hidden', true);
    };

    /**
     * Help show a hidden element again
     *
     * @param {Element} element
     * @private
     */
    const showElement = function (element) {
      element.classList.remove('form-manager-hidden');
      element.removeAttribute('aria-hidden');
    };

    /**
     * Update fuillscreen button's attributes dependent on fullscreen or not
     *
     * @private
     * @param {Element} element The fullscreen button element
     * @param {boolean} isInFullscreen
     */
    const toggleFullscreenButtonState = function (element, isInFullscreen) {
      if (isInFullscreen) {
        // We are entering fullscreen mode
        element.setAttribute('aria-label', H5PEditor.t('core', 'exitFullscreenButtonLabel'));
        element.classList.add('form-manager-exit');
      }
      else {
        // We are exiting fullscreen mode
        element.setAttribute('aria-label', H5PEditor.t('core', 'enterFullscreenButtonLabel'));
        element.classList.remove('form-manager-exit');
      }
    };

    /**
     * Closes the current form.
     *
     * @private
     */
    const closeForm = function () {
      const activeManager = formTargets.pop();
      
      // Close any open CKEditors
      if (H5PEditor.Html) {
        H5PEditor.Html.removeWysiwyg();
      }

      // Let everyone know we're closing
      activeManager.trigger('formclose');

      // Locate open form and remove it from the manager
      const activeSubForm = activeManager.popForm();

      if (handleTransitionend) {
        // Cancel callback for form if not fully opened.
        activeSubForm.removeEventListener('transitionend', handleTransitionend);
        handleTransitionend = null;
      }

      // Find last part of breadcrumb and remove it from the manager
      const titles = activeManager.popTitles();

      // Remove menu title
      manager.formBreadcrumbMenu.removeChild(titles.menu);

      // The previous breadcrumb must no longer be clickable
      const previousBreadcrumb = titles.breadcrumb.previousSibling;
      previousBreadcrumb.removeEventListener('click', handleBreadcrumbClick);
      previousBreadcrumb.removeEventListener('keypress', handleBreadcrumbKeypress);
      previousBreadcrumb.classList.remove('clickable');
      previousBreadcrumb.removeAttribute('tabindex');

      const headHeight = manager.getFormHeadHeight();

      // Freeze container height to avoid jumping while showing elements
      manager.formContainer.style.height = (activeSubForm.getBoundingClientRect().height + headHeight) + 'px';

      // Make underlay visible again
      if (activeSubForm.previousSibling.classList.contains('form-manager-form')) {
        // This is not our last sub-form
        showElement(activeSubForm.previousSibling);
      }
      else {
        // Show bottom form
        for (let i = 1; i < manager.formContainer.children.length - 1; i++) {
          showElement(manager.formContainer.children[i]);
        }

        // No need for the buttons any more
        if (!alwaysShowButtons) {
          hideElement(manager.formButtons);
          manager.formButtons.classList.remove('form-manager-comein');

          // Hide footer
          manager.footerFormButtons.classList.remove('form-manager-comein');
          hideElement(manager.footerFormButtons);
          hideElement(manager.footer);
        }

        manager.formContainer.classList.add('root-form');
      }

      // Animation fix for fullscreen max-width limit.
      activeSubForm.style.marginLeft = window.getComputedStyle(activeSubForm).marginLeft

      // Make the sub-form animatable
      activeSubForm.classList.add('form-manager-movable');

      // Resume natural container height
      manager.formContainer.style.height = '';

      // Set sub-form height to cover container
      activeSubForm.style.height = (manager.formContainer.getBoundingClientRect().height - headHeight) + 'px';

      // Clean up when the final transition animation is finished
      onlyOnce(activeSubForm, 'transitionend', function () {
        // Remove from DOM
        manager.formContainer.removeChild(activeSubForm);
      });
      // Start the animation
      activeSubForm.classList.remove('form-manager-slidein');

      if (titles.breadcrumb.offsetWidth === 0) {
        // Remove last breadcrumb section in case it's hidden
        manager.formBreadcrumb.removeChild(titles.breadcrumb);
      }
      else {
        onlyOnce(titles.breadcrumb, 'transitionend', function () {
          // Remove last breadcrumb section
          manager.formBreadcrumb.removeChild(titles.breadcrumb);
        });
        // Start the animation
        titles.breadcrumb.classList.remove('form-manager-comein');
      }

      if (!subForm) {
        if (proceedButton && manager.exitSemiFullscreen) {
          // We are in fullscreen and closing sub-form, show proceed button
          showElement(proceedButton);
        }
        if (breadcrumbButton) {
          breadcrumbButton.classList.add('form-manager-disabled');
        }
      }
      if (self.formContainer.classList.contains('mobile-menu-open')) {
        self.toggleBreadcrumbMenu();
      }

      // Scroll parent manager header into view
      manager.formButtons.scrollIntoView();
    };

    /**
     * The breadcrumb click handler figures out how many forms to close.
     *
     * @private
     */
    const handleBreadcrumbClick = function () {
      for (let i = 0; i < manager.formBreadcrumb.children.length; i++) {
        if (manager.formBreadcrumb.children[i] === this) {
          manager.closeFormUntil(i);
          break;
        }
      }
    };

    /**
     * The breadcrumb click handler figures out how many forms to close.
     *
     * @private
     */
    const handleBreadcrumbKeypress = function (e) {
      if (e.which === 13 || e.which === 32) {
        handleBreadcrumbClick.call(this);
      }
    };

    /**
     * Close all forms until the given index.
     *
     * @param {number} index
     */
    self.closeFormUntil = function (index) {
      while (formTargets.length - 1 !== index) {
        formTargets[formTargets.length - 1].trigger('formdone');
        closeForm();
      }
    };

    /**
     * Retrieve the current form element and remove it from the manager.
     *
     * @return {Element}
     */
    self.popForm = function () {
      const sF = subForm;
      subForm = null;
      return sF;
    };

    /**
     * Retrieve the current title element and remove it from the manager.
     *
     * @return {Element}
     */
    self.popTitles = function () {
      const t = titles;
      titles = null;
      return t;
    };

    /**
     * Retrieve the active manager.
     *
     * @return {DragNBar.FormManager}
     */
    self.getFormManager = function () {
      return manager;
    };

    /**
     * Set the form manager to be used for the next button clicks.
     *
     * @param {DragNBar.FormManager} target
     */
    self.addFormTarget = function (target) {
      formTargets.push(target);
    };

    /**
     * Create a new sub-form and shows it.
     *
     * @param {H5PEditor.Library} libraryField
     * @param {Element} formElement
     */
    self.openForm = function (libraryField, formElement, customClass, customTitle, customIconId) {
      if (subForm) {
        return; // Prevent opening more than one sub-form at a time per editor.
      }

      // Tell manager that we should be receiving the next buttons events
      manager.formContainer.classList.remove('root-form');
      manager.addFormTarget(self);

      // Create the new sub-form
      subForm = document.createElement('div');
      subForm.classList.add('form-manager-form');
      subForm.classList.add('form-manager-movable');
      if (customClass) {
        subForm.classList.add(customClass);
      }
      subForm.appendChild(formElement);

      // Ensure same height as container
      subForm.style.height = (manager.formContainer.getBoundingClientRect().height - manager.getFormHeadHeight()) + 'px';

      // Insert into DOM
      manager.formContainer.appendChild(subForm);

      // Make last part of breadcrumb clickable
      const lastBreadcrumb = manager.formBreadcrumb.lastChild;
      lastBreadcrumb.addEventListener('click', handleBreadcrumbClick);
      lastBreadcrumb.addEventListener('keypress', handleBreadcrumbKeypress);
      lastBreadcrumb.classList.add('clickable');
      lastBreadcrumb.tabIndex = '0';

      // Add breadcrumb section
      titles = createTitles(libraryField, customTitle, customIconId);
      manager.formBreadcrumb.appendChild(titles.breadcrumb);
      manager.formBreadcrumbMenu.insertBefore(titles.menu, manager.formBreadcrumbMenu.firstChild);

      // Show our buttons
      showElement(manager.formButtons);
      showElement(manager.footerFormButtons);
      showElement(manager.footer);

      // Ensure footer is at the bottom of the form
      manager.formContainer.appendChild(manager.footer);

      // When transition animation is done and the form is fully open...
      handleTransitionend = onlyOnce(subForm, 'transitionend', function () {
        handleTransitionend = null;

        // Hide everything except first, second, last child and footer
        for (let i = 2; i < manager.formContainer.children.length - 1; i++) {
          const child = manager.formContainer.children[i];
          const skipHiding = child === subForm
            || child.classList.contains('sp-container')
            || child.classList.contains('form-manager-footer');
          if (!skipHiding) {
            hideElement(manager.formContainer.children[i]);
          }
        }

        // Resume natural height
        subForm.style.height = '';
        subForm.style.marginLeft = '';
        subForm.classList.remove('form-manager-movable');

        self.trigger('formopened');
      });

      // Start animation on the next tick
      setTimeout(function () {
        // Animation fix for fullscreen max-width limit.
        subForm.style.marginLeft = (parseFloat(window.getComputedStyle(manager.formContainer.children[manager.formContainer.children.length - 2]).marginLeft) - 20) + 'px';

        subForm.classList.add('form-manager-slidein');
        titles.breadcrumb.classList.add('form-manager-comein');
        manager.formButtons.classList.add('form-manager-comein');
        manager.footerFormButtons.classList.add('form-manager-comein');
        manager.updateFormResponsiveness();
      }, 0);

      if (proceedButton && manager.exitSemiFullscreen) {
        // We are in fullscreen and opening sub-form, hide Proceed button
        hideElement(proceedButton);
      }
      if (breadcrumbButton) {
        breadcrumbButton.classList.remove('form-manager-disabled');
      }
    };

    /**
     * Check if the sub-form is fully opened. (animation finished)
     *
     * @return {boolean}
     */
    self.isFormOpen = function () {
      return subForm && !handleTransitionend;
    };

    /**
     * Determine the overall height of the form head section.
     *
     * @return {number}
     */
    self.getFormHeadHeight = function () {
      return (alwaysShowButtons ? 0 : head.getBoundingClientRect().height);
    };

    /**
     * Toggle the breadcrumb menu.
     */
    self.toggleBreadcrumbMenu = function () {
      if (self.formContainer.classList.contains('mobile-menu-open')) {
        // Close breadcrumb menu
        self.formContainer.classList.remove('mobile-menu-open');
        breadcrumbButton.children[0].innerText = l10n.expandBreadcrumbButtonLabel;
        breadcrumbButton.setAttribute('aria-label', l10n.expandBreadcrumbButtonLabel);
        self.formBreadcrumbMenu.classList.remove('form-manager-comein');
      }
      else {
        // Open breadcrumb menu
        self.formContainer.classList.add('mobile-menu-open');
        breadcrumbButton.children[0].innerText = l10n.collapseBreadcrumbButtonLabel;
        breadcrumbButton.setAttribute('aria-label', l10n.collapseBreadcrumbButtonLabel);
        self.formBreadcrumbMenu.classList.add('form-manager-comein');
      }
    };

    /**
     * Resize form header elements to fit better inside narrow forms.
     */
    self.updateFormResponsiveness = function () {
      if (head.classList.contains('mobile-view-large')) {
        head.classList.remove('mobile-view-large');
      }
      if (self.formContainer.classList.contains('mobile-view-small')) {
        self.formContainer.classList.remove('mobile-view-small');
      }
      if (head.offsetWidth < 481) {
        self.formContainer.classList.add('mobile-view-small');
      }

      /**
       * Enable tooltips where we have text-ellipsis.
       *
       * @private
       * @param {Element} element
       */
      const updateActiveTooltips = function (element) {
        let tooltipActive;
        for (let i = 0; i < element.children.length; i++) {
          const breadcrumbTitle = element.children[i];
          if (breadcrumbTitle.firstChild.offsetWidth && breadcrumbTitle.firstChild.scrollWidth > breadcrumbTitle.firstChild.offsetWidth + 1) {
            breadcrumbTitle.classList.add('form-mananger-tooltip-active');
            tooltipActive = true;
          }
          else {
            breadcrumbTitle.classList.remove('form-mananger-tooltip-active');
          }
        }
        return tooltipActive;
      };
      if (updateActiveTooltips(self.formBreadcrumb)) {
        head.classList.add('mobile-view-large');
        // Check again since we made buttons smaller
        updateActiveTooltips(self.formBreadcrumb)
      }
      updateActiveTooltips(self.formBreadcrumbMenu);
    };

    /**
     * Keep the buttons visible even though the last sub-form is closed.
     *
     * @param {Boolean} state
     */
    self.setAlwaysShowButtons = function (state) {
      alwaysShowButtons = state;

      if (alwaysShowButtons) {
        // Show our buttons
        showElement(manager.formButtons);
        manager.formButtons.classList.add('form-manager-comein');
      }
    };

    // Figure out which manager to use.
    const manager = findExistingManager(parent);
    if (manager === self) {
      initialize(); // We are the first of our kind
    }
  };

  DragNBar.FormManager.prototype = Object.create(EventDispatcher.prototype);
  DragNBar.FormManager.prototype.constructor = DragNBar.FormManager;

  /**
   * Help convert any HTML into text.
   *
   * @param {string} value
   * @return {string}
   */
  const getText = function (value) {
    const textNode = H5PEditor.$.parseHTML(value);
    if (textNode !== null) {
      return textNode[0].nodeValue;
    }
    return value;
  };

  /**
   * Help make sure that an event handler is only triggered once.
   *
   * @private
   * @param {Element} element
   * @param {string} eventName
   * @param {function} handler
   * @return {function} Callback in case of manual cancellation
   */
  const onlyOnce = function (element, eventName, handler) {
    const callback = function () {
      // Make sure we're only called once.
      element.removeEventListener(eventName, callback);

      // Trigger the real handler
      handler.apply(this, arguments);
    };
    element.addEventListener(eventName, callback);
    return callback;
  };

})(H5P.DragNBar, H5P.EventDispatcher);
;// Will render a Question with multiple choices for answers.

// Options format:
// {
//   title: "Optional title for question box",
//   question: "Question text",
//   answers: [{text: "Answer text", correct: false}, ...],
//   singleAnswer: true, // or false, will change rendered output slightly.
//   singlePoint: true,  // True if question give a single point score only
//                       // if all are correct, false to give 1 point per
//                       // correct answer. (Only for singleAnswer=false)
//   randomAnswers: false  // Whether to randomize the order of answers.
// }
//
// Events provided:
// - h5pQuestionAnswered: Triggered when a question has been answered.

var H5P = H5P || {};

/**
 * @typedef {Object} Options
 *   Options for multiple choice
 *
 * @property {Object} behaviour
 * @property {boolean} behaviour.confirmCheckDialog
 * @property {boolean} behaviour.confirmRetryDialog
 *
 * @property {Object} UI
 * @property {string} UI.tipsLabel
 *
 * @property {Object} [confirmRetry]
 * @property {string} [confirmRetry.header]
 * @property {string} [confirmRetry.body]
 * @property {string} [confirmRetry.cancelLabel]
 * @property {string} [confirmRetry.confirmLabel]
 *
 * @property {Object} [confirmCheck]
 * @property {string} [confirmCheck.header]
 * @property {string} [confirmCheck.body]
 * @property {string} [confirmCheck.cancelLabel]
 * @property {string} [confirmCheck.confirmLabel]
 */

/**
 * Module for creating a multiple choice question
 *
 * @param {Options} options
 * @param {number} contentId
 * @param {Object} contentData
 * @returns {H5P.MultiChoice}
 * @constructor
 */
H5P.MultiChoice = function (options, contentId, contentData) {
  if (!(this instanceof H5P.MultiChoice))
    return new H5P.MultiChoice(options, contentId, contentData);
  var self = this;
  this.contentId = contentId;
  this.contentData = contentData;
  H5P.Question.call(self, 'multichoice');
  var $ = H5P.jQuery;

  var defaults = {
    image: null,
    question: "No question text provided",
    answers: [
      {
        tipsAndFeedback: {
          tip: '',
          chosenFeedback: '',
          notChosenFeedback: ''
        },
        text: "Answer 1",
        correct: true
      }
    ],
    overallFeedback: [],
    weight: 1,
    userAnswers: [],
    UI: {
      checkAnswerButton: 'Check',
      submitAnswerButton: 'Submit',
      showSolutionButton: 'Show solution',
      tryAgainButton: 'Try again',
      scoreBarLabel: 'You got :num out of :total points',
      tipAvailable: "Tip available",
      feedbackAvailable: "Feedback available",
      readFeedback: 'Read feedback',
      shouldCheck: "Should have been checked",
      shouldNotCheck: "Should not have been checked",
      noInput: 'Input is required before viewing the solution',
      a11yCheck: 'Check the answers. The responses will be marked as correct, incorrect, or unanswered.',
      a11yShowSolution: 'Show the solution. The task will be marked with its correct solution.',
      a11yRetry: 'Retry the task. Reset all responses and start the task over again.',
    },
    behaviour: {
      enableRetry: true,
      enableSolutionsButton: true,
      enableCheckButton: true,
      type: 'auto',
      singlePoint: true,
      randomAnswers: false,
      showSolutionsRequiresInput: true,
      autoCheck: false,
      passPercentage: 100,
      showScorePoints: true
    }
  };
  var params = $.extend(true, defaults, options);
  // Keep track of number of correct choices
  var numCorrect = 0;

  // Loop through choices
  for (var i = 0; i < params.answers.length; i++) {
    var answer = params.answers[i];

    // Make sure tips and feedback exists
    answer.tipsAndFeedback = answer.tipsAndFeedback || {};

    if (params.answers[i].correct) {
      // Update number of correct choices
      numCorrect++;
    }
  }

  // Determine if no choices is the correct
  var blankIsCorrect = (numCorrect === 0);

  // Determine task type
  if (params.behaviour.type === 'auto') {
    // Use single choice if only one choice is correct
    params.behaviour.singleAnswer = (numCorrect === 1);
  }
  else {
    params.behaviour.singleAnswer = (params.behaviour.type === 'single');
  }

  var getCheckboxOrRadioIcon = function (radio, selected) {
    var icon;
    if (radio) {
      icon = selected ? '&#xe603;' : '&#xe600;';
    }
    else {
      icon = selected ? '&#xe601;' : '&#xe602;';
    }
    return icon;
  };

  // Initialize buttons and elements.
  var $myDom;
  var $feedbackDialog;

  /**
   * Remove all feedback dialogs
   */
  var removeFeedbackDialog = function () {
    // Remove the open feedback dialogs.
    $myDom.unbind('click', removeFeedbackDialog);
    $myDom.find('.h5p-feedback-button, .h5p-feedback-dialog').remove();
    $myDom.find('.h5p-has-feedback').removeClass('h5p-has-feedback');
    if ($feedbackDialog) {
      $feedbackDialog.remove();
    }
  };

  var score = 0;
  var solutionsVisible = false;

  /**
   * Add feedback to element
   * @param {jQuery} $element Element that feedback will be added to
   * @param {string} feedback Feedback string
   */
  var addFeedback = function ($element, feedback) {
    $feedbackDialog = $('' +
    '<div class="h5p-feedback-dialog">' +
      '<div class="h5p-feedback-inner">' +
        '<div class="h5p-feedback-text">' + feedback + '</div>' +
      '</div>' +
    '</div>');

    //make sure feedback is only added once
    if (!$element.find($('.h5p-feedback-dialog')).length) {
      $feedbackDialog.appendTo($element.addClass('h5p-has-feedback'));
    }
  };

  /**
   * Register the different parts of the task with the H5P.Question structure.
   */
  self.registerDomElements = function () {
    var media = params.media;
    if (media && media.type && media.type.library) {
      media = media.type;
      var type = media.library.split(' ')[0];
      if (type === 'H5P.Image') {
        if (media.params.file) {
          // Register task image
          self.setImage(media.params.file.path, {
            disableImageZooming: params.media.disableImageZooming || false,
            alt: media.params.alt,
            title: media.params.title,
            expandImage: media.params.expandImage,
            minimizeImage: media.params.minimizeImage
          });
        }
      }
      else if (type === 'H5P.Video') {
        if (media.params.sources) {
          // Register task video
          self.setVideo(media);
        }
      }
      else if (type === 'H5P.Audio') {
        if (media.params.files) {
          // Register task audio
          self.setAudio(media);
        }
      }
    }

    // Determine if we're using checkboxes or radio buttons
    for (var i = 0; i < params.answers.length; i++) {
      params.answers[i].checkboxOrRadioIcon = getCheckboxOrRadioIcon(params.behaviour.singleAnswer, params.userAnswers.indexOf(i) > -1);
    }

    // Register Introduction
    self.setIntroduction('<div id="' + params.labelId + '">' + params.question + '</div>');

    // Register task content area
    $myDom = $('<ul>', {
      'class': 'h5p-answers',
      role: params.role,
      'aria-labelledby': params.labelId
    });

    for (let i = 0; i < params.answers.length; i++) {
      const answer = params.answers[i];
      answer.text = answer.text ?? '<div></div>';
      $('<li>', {
        'class': 'h5p-answer',
        role: answer.role,
        tabindex: answer.tabindex,
        'aria-checked': answer.checked,
        'data-id': i,
        html: '<div class="h5p-alternative-container"><span class="h5p-alternative-inner">' + answer.text + '</span></div>',
        appendTo: $myDom
      });
    }

    self.setContent($myDom, {
      'class': params.behaviour.singleAnswer ? 'h5p-radio' : 'h5p-check'
    });

    // Create tips:
    var $answers = $('.h5p-answer', $myDom).each(function (i) {

      var tip = params.answers[i].tipsAndFeedback.tip;
      if (tip === undefined) {
        return; // No tip
      }

      tip = tip.trim();
      var tipContent = tip
        .replace(/&nbsp;/g, '')
        .replace(/<p>/g, '')
        .replace(/<\/p>/g, '')
        .trim();
      if (!tipContent.length) {
        return; // Empty tip
      }
      else {
        $(this).addClass('h5p-has-tip');
      }

      // Add tip
      var $wrap = $('<div/>', {
        'class': 'h5p-multichoice-tipwrap',
        'aria-label': params.UI.tipAvailable + '.'
      });

      var $multichoiceTip = $('<div>', {
        'role': 'button',
        'tabindex': 0,
        'title': params.UI.tipsLabel,
        'aria-label': params.UI.tipsLabel,
        'aria-expanded': false,
        'class': 'multichoice-tip',
        appendTo: $wrap
      });

      var tipIconHtml = '<span class="joubel-icon-tip-normal">' +
                          '<span class="h5p-icon-shadow"></span>' +
                          '<span class="h5p-icon-speech-bubble"></span>' +
                          '<span class="h5p-icon-info"></span>' +
                        '</span>';

      $multichoiceTip.append(tipIconHtml);

      $multichoiceTip.click(function () {
        var $tipContainer = $multichoiceTip.parents('.h5p-answer');
        var openFeedback = !$tipContainer.children('.h5p-feedback-dialog').is($feedbackDialog);
        removeFeedbackDialog();

        // Do not open feedback if it was open
        if (openFeedback) {
          $multichoiceTip.attr('aria-expanded', true);

          // Add tip dialog
          addFeedback($tipContainer, tip);
          $feedbackDialog.addClass('h5p-has-tip');

          // Tip for readspeaker
          self.read(tip);
        }
        else {
          $multichoiceTip.attr('aria-expanded', false);
        }

        self.trigger('resize');

        // Remove tip dialog on dom click
        setTimeout(function () {
          $myDom.click(removeFeedbackDialog);
        }, 100);

        // Do not propagate
        return false;
      }).keydown(function (e) {
        if (e.which === 32) {
          $(this).click();
          return false;
        }
      });

      $('.h5p-alternative-container', this).append($wrap);
    });

    // Set event listeners.
    var toggleCheck = function ($ans) {
      if ($ans.attr('aria-disabled') === 'true') {
        return;
      }
      self.answered = true;
      var num = parseInt($ans.data('id'));
      if (params.behaviour.singleAnswer) {
        // Store answer
        params.userAnswers = [num];

        // Calculate score
        score = (params.answers[num].correct ? 1 : 0);

        // De-select previous answer
        $answers.not($ans).removeClass('h5p-selected').attr('tabindex', '-1').attr('aria-checked', 'false');

        // Select new answer
        $ans.addClass('h5p-selected').attr('tabindex', '0').attr('aria-checked', 'true');
      }
      else {
        if ($ans.attr('aria-checked') === 'true') {
          const pos = params.userAnswers.indexOf(num);
          if (pos !== -1) {
            params.userAnswers.splice(pos, 1);
          }

          // Do not allow un-checking when retry disabled and auto check
          if (params.behaviour.autoCheck && !params.behaviour.enableRetry) {
            return;
          }

          // Remove check
          $ans.removeClass('h5p-selected').attr('aria-checked', 'false');
        }
        else {
          params.userAnswers.push(num);
          $ans.addClass('h5p-selected').attr('aria-checked', 'true');
        }

        // Calculate score
        calcScore();
      }

      self.triggerXAPI('interacted');
      hideSolution($ans);

      if (params.userAnswers.length) {
        self.showButton('check-answer');
        self.hideButton('try-again');
        self.hideButton('show-solution');

        if (params.behaviour.autoCheck) {
          if (params.behaviour.singleAnswer) {
            // Only a single answer allowed
            checkAnswer();
          }
          else {
            // Show feedback for selected alternatives
            self.showCheckSolution(true);

            // Always finish task if it was completed successfully
            if (score === self.getMaxScore()) {
              checkAnswer();
            }
          }
        }
      }
    };

    $answers.click(function () {
      toggleCheck($(this));
    }).keydown(function (e) {
      if (e.keyCode === 32) { // Space bar
        // Select current item
        toggleCheck($(this));
        return false;
      }

      if (params.behaviour.singleAnswer) {
        switch (e.keyCode) {
          case 38:   // Up
          case 37: { // Left
            // Try to select previous item
            var $prev = $(this).prev();
            if ($prev.length) {
              toggleCheck($prev.focus());
            }
            return false;
          }
          case 40:   // Down
          case 39: { // Right
            // Try to select next item
            var $next = $(this).next();
            if ($next.length) {
              toggleCheck($next.focus());
            }
            return false;
          }
        }
      }
    });

    if (params.behaviour.singleAnswer) {
      // Special focus handler for radio buttons
      $answers.focus(function () {
        if ($(this).attr('aria-disabled') !== 'true') {
          $answers.not(this).attr('tabindex', '-1');
        }
      }).blur(function () {
        if (!$answers.filter('.h5p-selected').length) {
          $answers.first().add($answers.last()).attr('tabindex', '0');
        }
      });
    }

    // Adds check and retry button
    addButtons();
    if (!params.behaviour.singleAnswer) {

      calcScore();
    }
    else {
      if (params.userAnswers.length && params.answers[params.userAnswers[0]].correct) {
        score = 1;
      }
      else {
        score = 0;
      }
    }

    // Has answered through auto-check in a previous session
    if (hasCheckedAnswer && params.behaviour.autoCheck) {

      // Check answers if answer has been given or max score reached
      if (params.behaviour.singleAnswer || score === self.getMaxScore()) {
        checkAnswer();
      }
      else {
        // Show feedback for checked checkboxes
        self.showCheckSolution(true);
      }
    }
  };

  this.showAllSolutions = function () {
    if (solutionsVisible) {
      return;
    }
    solutionsVisible = true;

    $myDom.find('.h5p-answer').each(function (i, e) {
      var $e = $(e);
      var a = params.answers[i];
      const className = 'h5p-solution-icon-' + (params.behaviour.singleAnswer ? 'radio' : 'checkbox');

      if (a.correct) {
        $e.addClass('h5p-should').append($('<span/>', {
          'class': className,
          html: params.UI.shouldCheck + '.'
        }));
      }
      else {
        $e.addClass('h5p-should-not').append($('<span/>', {
          'class': className,
          html: params.UI.shouldNotCheck + '.'
        }));
      }
    }).find('.h5p-question-plus-one, .h5p-question-minus-one').remove();

    // Make sure input is disabled in solution mode
    disableInput();

    // Move focus back to the first alternative so that the user becomes
    // aware that the solution is being shown.
    $myDom.find('.h5p-answer:first-child').focus();

    //Hide buttons and retry depending on settings.
    self.hideButton('check-answer');
    self.hideButton('show-solution');
    if (params.behaviour.enableRetry) {
      self.showButton('try-again');
    }
    self.trigger('resize');
  };

  /**
   * Used in contracts.
   * Shows the solution for the task and hides all buttons.
   */
  this.showSolutions = function () {
    removeFeedbackDialog();
    self.showCheckSolution();
    self.showAllSolutions();
    disableInput();
    self.hideButton('try-again');
  };

  /**
   * Hide solution for the given answer(s)
   *
   * @private
   * @param {H5P.jQuery} $answer
   */
  var hideSolution = function ($answer) {
    $answer
      .removeClass('h5p-correct')
      .removeClass('h5p-wrong')
      .removeClass('h5p-should')
      .removeClass('h5p-should-not')
      .removeClass('h5p-has-feedback')
      .find('.h5p-question-plus-one, ' +
        '.h5p-question-minus-one, ' +
        '.h5p-answer-icon, ' +
        '.h5p-solution-icon-radio, ' +
        '.h5p-solution-icon-checkbox, ' +
        '.h5p-feedback-dialog')
        .remove();
  };

  /**
   *
   */
  this.hideSolutions = function () {
    solutionsVisible = false;

    hideSolution($('.h5p-answer', $myDom));

    this.removeFeedback(); // Reset feedback

    self.trigger('resize');
  };

  /**
   * Resets the whole task.
   * Used in contracts with integrated content.
   * @private
   * @param {boolean} moveFocus True to move the focus to first option
   * This prevents loss of focus if reset from within content
   */
  this.resetTask = function (moveFocus = false) {
    for (let i = 0; i < params.answers.length; i++) {
      if (params.answers[i].checked) {
        delete params.answers[i].checked;
      }
    }
    self.answered = false;
    self.hideSolutions();
    params.userAnswers = [];
    removeSelections(moveFocus);
    self.showButton('check-answer');
    self.hideButton('try-again');
    self.hideButton('show-solution');
    enableInput();
    $myDom?.find('.h5p-feedback-available').remove();
  };

  var calculateMaxScore = function () {
    if (blankIsCorrect) {
      return params.weight;
    }
    var maxScore = 0;
    for (var i = 0; i < params.answers.length; i++) {
      var choice = params.answers[i];
      if (choice.correct) {
        maxScore += (choice.weight !== undefined ? choice.weight : 1);
      }
    }
    return maxScore;
  };

  this.getMaxScore = function () {
    return (!params.behaviour.singleAnswer && !params.behaviour.singlePoint ? calculateMaxScore() : params.weight);
  };

  /**
   * Check answer
   */
  var checkAnswer = function () {
    // Unbind removal of feedback dialogs on click
    $myDom.unbind('click', removeFeedbackDialog);

    // Remove all tip dialogs
    removeFeedbackDialog();

    if (params.behaviour.enableSolutionsButton) {
      self.showButton('show-solution');
    }
    if (params.behaviour.enableRetry) {
      self.showButton('try-again');
    }
    self.hideButton('check-answer');

    self.showCheckSolution();
    disableInput();

    var xAPIEvent = self.createXAPIEventTemplate('answered');
    addQuestionToXAPI(xAPIEvent);
    addResponseToXAPI(xAPIEvent);
    self.trigger(xAPIEvent);
  };

  /**
   * Adds the ui buttons.
   * @private
   */
  var addButtons = function () {
    var $content = $('[data-content-id="' + self.contentId + '"].h5p-content');
    var $containerParents = $content.parents('.h5p-container');

    // select find container to attach dialogs to
    var $container;
    if($containerParents.length !== 0) {
      // use parent highest up if any
      $container = $containerParents.last();
    }
    else if($content.length !== 0){
      $container = $content;
    }
    else  {
      $container = $(document.body);
    }

    // Show solution button
    self.addButton('show-solution', params.UI.showSolutionButton, function () {
      if (params.behaviour.showSolutionsRequiresInput && !self.getAnswerGiven(true)) {
        // Require answer before solution can be viewed
        self.updateFeedbackContent(params.UI.noInput);
        self.read(params.UI.noInput);
      }
      else {
        calcScore();
        self.showAllSolutions();
      }

    }, false, {
      'aria-label': params.UI.a11yShowSolution,
    });

    // Check button
    if (params.behaviour.enableCheckButton && (!params.behaviour.autoCheck || !params.behaviour.singleAnswer)) {
      self.addButton('check-answer', params.UI.checkAnswerButton,
        function () {
          self.answered = true;
          checkAnswer();
          $myDom.find('.h5p-answer:first-child').focus();
        },
        true,
        {
          'aria-label': params.UI.a11yCheck,
        },
        {
          confirmationDialog: {
            enable: params.behaviour.confirmCheckDialog,
            l10n: params.confirmCheck,
            instance: self,
            $parentElement: $container
          },
          contentData: self.contentData,
          textIfSubmitting: params.UI.submitAnswerButton,
        }
      );
    }

    // Try Again button
    self.addButton('try-again', params.UI.tryAgainButton, function () {
      self.resetTask(true);

      if (params.behaviour.randomAnswers) {
        // reshuffle answers
       var oldIdMap = idMap;
       idMap = getShuffleMap();
       var answersDisplayed = $myDom.find('.h5p-answer');
       // remember tips
       var tip = [];
       for (i = 0; i < answersDisplayed.length; i++) {
         tip[i] = $(answersDisplayed[i]).find('.h5p-multichoice-tipwrap');
       }
       // Those two loops cannot be merged or you'll screw up your tips
       for (i = 0; i < answersDisplayed.length; i++) {
         // move tips and answers on display
         $(answersDisplayed[i]).find('.h5p-alternative-inner').html(params.answers[i].text);
         $(tip[i]).detach().appendTo($(answersDisplayed[idMap.indexOf(oldIdMap[i])]).find('.h5p-alternative-container'));
       }
     }
    }, false, {
      'aria-label': params.UI.a11yRetry,
    }, {
      confirmationDialog: {
        enable: params.behaviour.confirmRetryDialog,
        l10n: params.confirmRetry,
        instance: self,
        $parentElement: $container
      }
    });
  };

  /**
   * Determine which feedback text to display
   *
   * @param {number} score
   * @param {number} max
   * @return {string}
   */
  var getFeedbackText = function (score, max) {
    var ratio = (score / max);

    var feedback = H5P.Question.determineOverallFeedback(params.overallFeedback, ratio);

    return feedback.replace('@score', score).replace('@total', max);
  };

  /**
   * Shows feedback on the selected fields.
   * @public
   * @param {boolean} [skipFeedback] Skip showing feedback if true
   */
  this.showCheckSolution = function (skipFeedback) {
    var scorePoints;
    if (!(params.behaviour.singleAnswer || params.behaviour.singlePoint || !params.behaviour.showScorePoints)) {
      scorePoints = new H5P.Question.ScorePoints();
    }

    $myDom.find('.h5p-answer').each(function (i, e) {
      var $e = $(e);
      var a = params.answers[i];
      var chosen = ($e.attr('aria-checked') === 'true');
      if (chosen) {
        if (a.correct) {
          // May already have been applied by instant feedback
          if (!$e.hasClass('h5p-correct')) {
            $e.addClass('h5p-correct').append($('<span/>', {
              'class': 'h5p-answer-icon',
              html: params.UI.correctAnswer + '.'
            }));
          }
        }
        else {
          if (!$e.hasClass('h5p-wrong')) {
            $e.addClass('h5p-wrong').append($('<span/>', {
              'class': 'h5p-answer-icon',
              html: params.UI.wrongAnswer + '.'
            }));
          }
        }

        if (scorePoints) {
          var alternativeContainer = $e[0].querySelector('.h5p-alternative-container');

          if (!params.behaviour.autoCheck || alternativeContainer.querySelector('.h5p-question-plus-one, .h5p-question-minus-one') === null) {
            alternativeContainer.appendChild(scorePoints.getElement(a.correct));
          }
        }
      }

      if (!skipFeedback) {
        if (chosen && a.tipsAndFeedback.chosenFeedback !== undefined && a.tipsAndFeedback.chosenFeedback !== '') {
          addFeedback($e, a.tipsAndFeedback.chosenFeedback);
        }
        else if (!chosen && a.tipsAndFeedback.notChosenFeedback !== undefined && a.tipsAndFeedback.notChosenFeedback !== '') {
          addFeedback($e, a.tipsAndFeedback.notChosenFeedback);
        }
      }
    });

    // Determine feedback
    var max = self.getMaxScore();

    // Disable task if maxscore is achieved
    var fullScore = (score === max);

    if (fullScore) {
      self.hideButton('check-answer');
      self.hideButton('try-again');
      self.hideButton('show-solution');
    }

    // Show feedback
    if (!skipFeedback) {
      this.setFeedback(getFeedbackText(score, max), score, max, params.UI.scoreBarLabel);
    }

    self.trigger('resize');
  };

  /**
   * Disables choosing new input.
   */
  var disableInput = function () {
    $('.h5p-answer', $myDom).attr({
      'aria-disabled': 'true',
      'tabindex': '-1'
    }).removeAttr('role')
      .removeAttr('aria-checked');

    $('.h5p-answers').removeAttr('role');
  };

  /**
   * Enables new input.
   */
  var enableInput = function () {
    $('.h5p-answer', $myDom)
      .attr({
        'aria-disabled': 'false',
        'role': params.behaviour.singleAnswer ? 'radio' : 'checkbox',
      });

    $('.h5p-answers').attr('role', params.role);
  };

  var calcScore = function () {
    score = 0;
    for (const answer of params.userAnswers) {
      const choice = params.answers[answer];
      const weight = (choice.weight !== undefined ? choice.weight : 1);
      if (choice.correct) {
        score += weight;
      }
      else {
        score -= weight;
      }
    }
    if (score < 0) {
      score = 0;
    }
    if (!params.userAnswers.length && blankIsCorrect) {
      score = params.weight;
    }
    if (params.behaviour.singlePoint) {
      score = (100 * score / calculateMaxScore()) >= params.behaviour.passPercentage ? params.weight : 0;
    }
  };

  /**
   * Removes selections from task.
   */
  var removeSelections = function (moveFocus) {
    var $answers = $('.h5p-answer', $myDom)
      .removeClass('h5p-selected')
      .attr('aria-checked', 'false');

    if (!params.behaviour.singleAnswer) {
      $answers.attr('tabindex', '0');
    }
    else {
      $answers.first().attr('tabindex', '0');
    }

    // Set focus to first option
    if (moveFocus || self.isRoot()) {
      $answers.first().focus();
    }

    calcScore();
  };

  /**
   * Get xAPI data.
   * Contract used by report rendering engine.
   *
   * @see contract at {@link https://h5p.org/documentation/developers/contracts#guides-header-6}
   */
  this.getXAPIData = function(){
    var xAPIEvent = this.createXAPIEventTemplate('answered');
    addQuestionToXAPI(xAPIEvent);
    addResponseToXAPI(xAPIEvent);
    return {
      statement: xAPIEvent.data.statement
    };
  };

  /**
   * Add the question itself to the definition part of an xAPIEvent
   */
  var addQuestionToXAPI = function (xAPIEvent) {
    var definition = xAPIEvent.getVerifiedStatementValue(['object', 'definition']);
    definition.description = {
      'en-US': params.question,
    };
    definition.type = 'http://adlnet.gov/expapi/activities/cmi.interaction';
    definition.interactionType = 'choice';
    definition.correctResponsesPattern = [];
    definition.choices = [];
    for (var i = 0; i < params.answers.length; i++) {
      definition.choices[i] = {
        'id': params.answers[i].originalOrder + '',
        'description': {
          // Remove tags, must wrap in div tag because jQuery 1.9 will crash if the string isn't wrapped in a tag.
          'en-US': $('<div>' + params.answers[i].text + '</div>').text()
        }
      };
      if (params.answers[i].correct) {
        if (!params.singleAnswer) {
          if (definition.correctResponsesPattern.length) {
            definition.correctResponsesPattern[0] += '[,]';
            // This looks insane, but it's how you separate multiple answers
            // that must all be chosen to achieve perfect score...
          }
          else {
            definition.correctResponsesPattern.push('');
          }
          definition.correctResponsesPattern[0] += params.answers[i].originalOrder;
        }
        else {
          definition.correctResponsesPattern.push('' + params.answers[i].originalOrder);
        }
      }
    }
  };

  /**
   * Add the response part to an xAPI event
   *
   * @param {H5P.XAPIEvent} xAPIEvent
   *  The xAPI event we will add a response to
   */
  var addResponseToXAPI = function (xAPIEvent) {
    var maxScore = self.getMaxScore();
    var success = (100 * score / maxScore) >= params.behaviour.passPercentage;

    xAPIEvent.setScoredResult(score, maxScore, self, true, success);
    if (params.userAnswers === undefined) {
      calcScore();
    }

    // Add the response
    var response = '';
    for (var i = 0; i < params.userAnswers.length; i++) {
      if (response !== '') {
        response += '[,]';
      }
      response += idMap === undefined ? params.userAnswers[i] : idMap[params.userAnswers[i]];
    }
    xAPIEvent.data.statement.result.response = response;
  };

  /**
   * Create a map pointing from original answers to shuffled answers
   *
   * @return {number[]} map pointing from original answers to shuffled answers
   */
  var getShuffleMap = function() {
    params.answers = H5P.shuffleArray(params.answers);

    // Create a map from the new id to the old one
    var idMap = [];
    for (i = 0; i < params.answers.length; i++) {
      idMap[i] = params.answers[i].originalOrder;
    }
    return idMap;
  };

  // Initialization code
  // Randomize order, if requested
  var idMap;
  // Store original order in answers
  for (i = 0; i < params.answers.length; i++) {
    params.answers[i].originalOrder = i;
  }
  if (params.behaviour.randomAnswers) {
    idMap = getShuffleMap();
  }

  // Start with an empty set of user answers.
  params.userAnswers = [];

  // Restore previous state
  if (contentData && contentData.previousState !== undefined) {

    // Restore answers
    if (contentData.previousState.answers) {
      if (!idMap) {
        params.userAnswers = contentData.previousState.answers;
      }
      else {
        // The answers have been shuffled, and we must use the id mapping.
        for (i = 0; i < contentData.previousState.answers.length; i++) {
          for (var k = 0; k < idMap.length; k++) {
            if (idMap[k] === contentData.previousState.answers[i]) {
              params.userAnswers.push(k);
            }
          }
        }
      }
      calcScore();
    }
  }

  var hasCheckedAnswer = false;

  // Loop through choices
  for (var j = 0; j < params.answers.length; j++) {
    var ans = params.answers[j];

    if (!params.behaviour.singleAnswer) {
      // Set role
      ans.role = 'checkbox';
      ans.tabindex = '0';
      if (params.userAnswers.indexOf(j) !== -1) {
        ans.checked = 'true';
        hasCheckedAnswer = true;
      }
    }
    else {
      // Set role
      ans.role = 'radio';

      // Determine tabindex, checked and extra classes
      if (params.userAnswers.length === 0) {
        // No correct answers
        if (i === 0 || i === params.answers.length) {
          ans.tabindex = '0';
        }
      }
      else if (params.userAnswers.indexOf(j) !== -1) {
        // This is the correct choice
        ans.tabindex = '0';
        ans.checked = 'true';
        hasCheckedAnswer = true;
      }
    }

    // Set default
    if (ans.tabindex === undefined) {
      ans.tabindex = '-1';
    }
    if (ans.checked === undefined) {
      ans.checked = 'false';
    }
  }

  H5P.MultiChoice.counter = (H5P.MultiChoice.counter === undefined ? 0 : H5P.MultiChoice.counter + 1);
  params.role = (params.behaviour.singleAnswer ? 'radiogroup' : 'group');
  params.labelId = 'h5p-mcq' + H5P.MultiChoice.counter;

  /**
   * Pack the current state of the interactivity into a object that can be
   * serialized.
   *
   * @public
   */
  this.getCurrentState = function () {
    var state = {};
    if (!idMap) {
      state.answers = params.userAnswers;
    }
    else {
      // The answers have been shuffled and must be mapped back to their
      // original ID.
      state.answers = [];
      for (var i = 0; i < params.userAnswers.length; i++) {
        state.answers.push(idMap[params.userAnswers[i]]);
      }
    }
    return state;
  };

  /**
   * Check if user has given an answer.
   *
   * @param {boolean} [ignoreCheck] Ignore returning true from pressing "check-answer" button.
   * @return {boolean} True if answer is given
   */
  this.getAnswerGiven = function (ignoreCheck) {
    var answered = ignoreCheck ? false : this.answered;
    return answered || params.userAnswers.length > 0 || blankIsCorrect;
  };

  this.getScore = function () {
    return score;
  };

  this.getTitle = function () {
    return H5P.createTitle((this.contentData && this.contentData.metadata && this.contentData.metadata.title) ? this.contentData.metadata.title : 'Multiple Choice');
  };
};

H5P.MultiChoice.prototype = Object.create(H5P.Question.prototype);
H5P.MultiChoice.prototype.constructor = H5P.MultiChoice;
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e=Q("<div/>",{class:"".concat(j,"-introduction-title")}).append([this.$endscreenIntroductionTitleText,this.$closeButton]);this.$endscreenIntroductionText=Q("<div/>",{class:"".concat(j,"-introduction-text"),id:"".concat(j,"-introduction-text")}),this.isSubmitButtonEnabled&&(this.$submitButtonContainer=Q("<div/>",{class:"".concat(j,"-submit-button-container ").concat(Y)}),this.$submitButton=H5P.JoubelUI.createButton({class:"".concat(j,"-submit-button"),html:this.l10n.submitButton,appendTo:this.$submitButtonContainer,click:function(){return t.handleSubmit()}})),this.$endscreenOverviewTitle=Q("<div/>",{class:"".concat(j,"-overview-title")}).append(Q("<div/>",{class:"".concat(j,"-overview-title-answered-questions"),html:this.l10n.tableRowAnswered})).append(Q("<div/>",{class:"".concat(j,"-overview-title-score"),html:this.l10n.tableRowScore})),this.$endscreenBottomTable=Q("<div/>",{class:"".concat(j,"-overview-table")}),this.$endscreen=Q("<div/>",{class:j,role:"dialog","aria-labelledby":"".concat(j,"-introduction-title-text"),"aria-describedby":"".concat(j,"-introduction-text")}).append(Q("<div/>",{class:"".concat(j,"-introduction")}).append(Q("<div/>",{class:"".concat(j,"-star-symbol")})).append(Q("<div/>",{class:"".concat(j,"-introduction-container")}).append([e,this.$endscreenIntroductionText,this.$submitButtonContainer]))).append(Q("<div/>",{class:"".concat(j,"-overview")}).append(this.$endscreenOverviewTitle).append(this.$endscreenBottomTable))},i.handleSubmit=function(){var t=this;this.$submitButtonContainer.hasClass(Y)||(this.parent.setUserSubmitted(!0),this.$submitButtonContainer.addClass(Y),this.$endscreenIntroductionText.html('<div class="'.concat(j,'-introduction-text-submitted">').concat(this.l10n.submitMessage,"</div>")),this.answered.forEach((function(e){if("completed"!==e.getLastXAPIVerb()&&"answered"!==e.getLastXAPIVerb()){var o=new H5P.XAPIEvent;o.data.statement=e.getXAPIData().statement,e.setLastXAPIVerb(o.getVerb()),t.trigger(o)}})),this.parent.triggerXAPIScored(this.parent.getUsersScore(),this.parent.getUsersMaxScore(),"completed"))},i.getDOM=function(){return this.$endscreen},i.buildTableRow=function(t,e,o,n){var i=this,s=_(o)&&_(n),r=s?this.l10n.tableRowSummaryWithScore:this.l10n.tableRowSummaryWithoutScore,a=this.parent.isSkippingProhibited(t)?" ".concat(j,"-no-link"):"",c=Q("<div/>",{class:"".concat(j,"-overview-table-row").concat(a),role:"row",tabIndex:0,"aria-label":r.replace("@score",o).replace("@total",n).replace("@question",e).replace("@minutes",Math.floor(t/60)).replace("@seconds",t%60)});return K(c,(function(){return i.jump(t)})),Q("<div/>",{class:"".concat(j,"-overview-table-row-time"),html:H5P.InteractiveVideo.humanizeTime(t),appendTo:c,"aria-hidden":!0}),Q("<div/>",{class:"".concat(j,"-overview-table-row-title"),html:e,appendTo:c,"aria-hidden":!0}),Q("<div/>",{class:"".concat(j,"-overview-table-row-score"),html:s?"".concat(o," / ").concat(n):this.l10n.answeredScore,appendTo:c,"aria-hidden":!0}),c},i.jump=function(t){this.parent.isSkippingProhibited(t)||(this.parent.seek(t),this.parent.toggleEndscreen(!1))},i.update=function(){var t,e=this,o=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];(this.answered=o.filter((function(t){return void 0!==t.getProgress()})).sort((function(t,e){return t.getDuration().from-e.getDuration().from})),this.isSubmitButtonEnabled)&&(null===(t=this.$submitButtonContainer)||void 0===t||t.addClass(Y));this.$endscreenBottomTable.empty(),this.answered.forEach((function(t){var o=t.getDuration().from,n=e.getDescription(t),i=t.getInstance(),s=i.getScore?i.getScore():void 0,r=i.getMaxScore?i.getMaxScore():void 0;e.$endscreenBottomTable.append(e.buildTableRow(o,n,s,r))}));var n=this.answered.length;this.$endscreenIntroductionTitleText.html(this.l10n.title.replace("@answered",n)),0===n?this.$endscreenIntroductionText.html('<div class="'.concat(j,'-bold-text">').concat(this.l10n.informationNoAnswers,"</div>\n      ").concat(this.isSubmitButtonEnabled?"<div>".concat(this.l10n.informationMustHaveAnswer,"<div>"):"")):this.$endscreenIntroductionText.html(this.isSubmitButtonEnabled?this.l10n.information.replace("@answered",n):this.l10n.informationOnSubmitButtonDisabled.replace("@answered",n)),this.isSubmitButtonEnabled&&n>0&&this.$submitButtonContainer.removeClass(Y)},i.getDescription=function(t){return"function"==typeof t.getInstance&&"function"==typeof t.getInstance().getTitle?t.getInstance().getTitle():t.getTitle()},i.focus=function(){!this.isSubmitButtonEnabled||this.$submitButtonContainer.hasClass(Y)?this.$closeButton.focus():this.$submitButton.focus()},e}(H5P.EventDispatcher);var J=H5P.jQuery;function Z(t,e,o){var n,i,s,r,a,c=this;H5P.EventDispatcher.call(c),c.contentId=e,c.contentData=o,c.params=t,c.instanceIndex=nt(),c.isSubmitButtonEnabled=void 0===o||void 0===o.isScoringEnabled||void 0===o.isReportingEnabled||o.isScoringEnabled||o.isReportingEnabled,c.bookmarksMenuId="interactive-video-"+this.contentId+"-bookmarks-chooser",c.endscreensMenuId="interactive-video-"+this.contentId+"-endscreens-chooser",c.qualityMenuId="interactive-video-"+this.contentId+"-quality-chooser",c.captionsMenuId="interactive-video-"+this.contentId+"-captions-chooser",c.playbackRateMenuId="interactive-video-"+this.contentId+"-playback-rate-chooser",c.popupMenuButtons=[],c.popupMenuChoosers=[],this.visibleInteractions=[],c.isMinimal=!1,c.options=J.extend({video:{textTracks:{videoTrack:[]}},assets:{}},t.interactiveVideo),c.options.video.startScreenOptions=c.options.video.startScreenOptions||{},c.qualities=void 0,c.options.video.startScreenOptions.title||(c.options.video.startScreenOptions.title="Interactive Video"),c.startScreenOptions=J.extend({hideStartTitle:!1,shortStartDescription:""},c.options.video.startScreenOptions),t.override&&(t.override.showSolutionButton||t.override.retryButton)&&(c.override={},t.override.showSolutionButton&&(c.override.enableSolutionsButton="on"===t.override.showSolutionButton),t.override.retryButton&&(c.override.enableRetry="on"===t.override.retryButton)),void 0!==t.override&&(c.showRewind10=void 0!==t.override.showRewind10&&t.override.showRewind10,c.showBookmarksmenuOnLoad=void 0!==t.override.showBookmarksmenuOnLoad&&t.override.showBookmarksmenuOnLoad,c.preventSkippingMode=t.override.preventSkippingMode||"none",c.deactivateSound=t.override.deactivateSound||!1),c.l10n=J.extend({interaction:"Interaction",play:"Play",pause:"Pause",mute:"Mute, currently unmuted",unmute:"Unmute, currently muted",quality:"Video quality",captions:"Captions",close:"Close",fullscreen:"Fullscreen",exitFullscreen:"Exit fullscreen",summary:"Open summary dialog",bookmarks:"Bookmarks",endscreen:"Submit Screen",endscreens:"Submit Screens",defaultAdaptivitySeekLabel:"Continue",continueWithVideo:"Continue with video",more:"More player options",playbackRate:"Playback rate",rewind10:"Rewind 10 seconds",navDisabled:"Navigation is disabled",navForwardDisabled:"Navigating forward is disabled",sndDisabled:"Sound is disabled",requiresCompletionWarning:"You need to answer all the questions correctly before continuing.",back:"Back",hours:"Hours",minutes:"Minutes",seconds:"Seconds",currentTime:"Current time:",totalTime:"Total time:",singleInteractionAnnouncement:"Interaction appeared:",multipleInteractionsAnnouncement:"Multiple interactions appeared:",videoPausedAnnouncement:"Video was paused",content:"Content",answered:"@answered answered!",videoProgressBar:"Video progress",howToCreateInteractions:"Play the video to start creating interactions"},t.l10n),c.l10n.play+=" (k)",c.l10n.pause+=" (k)",c.l10n.mute+=" (m)",c.l10n.unmute+=" (m)",o&&void 0!==o.previousState&&void 0!==o.previousState.progress&&void 0!==o.previousState.answers&&(c.previousState=o.previousState),c.menuitems=[],c.lastState=H5P.Video.ENDED,c.justVideo=!1;var l=navigator.userAgent.match(/(iPhone|iPod) OS (\d*)_/i);null!==l&&3===l.length&&(c.justVideo=l[2]<10),c.currentTime=Math.floor(void 0!==(null===(n=c.previousState)||void 0===n?void 0:n.progress)&&null!==(null===(i=c.previousState)||void 0===i?void 0:i.progress)?c.previousState.progress:(null===(s=t.override)||void 0===s?void 0:s.startVideoAt)||0),this.maxTimeReached=c.previousState&&c.previousState.maxTimeReached?c.previousState.maxTimeReached:0,c.interactionsProgress=[],c.previousState&&c.previousState.interactionsProgress&&(c.interactionsProgress=c.previousState.interactionsProgress),this.setUserSubmitted(null===(r=this.previousState)||void 0===r?void 0:r.submitted),a=t.override&&!!t.override.loop,c.$videoWrapper=J("<div>",{class:"h5p-video-wrapper"}),c.$controls=J("<div>",{role:"toolbar",class:"h5p-controls hidden"}),c.$read=J("<div/>",{"aria-live":"polite",class:"hidden-but-read"}),this.fontSize=16,this.width=640;var d=!1,u=!0,h=!1;if(c.isTask=!1,c.interactions=[],c.options.assets.interactions)for(var p=0;p<c.options.assets.interactions.length;p++)this.initInteraction(p);c.initialize=function(){var e,o;if(!h){h=!0,c.on("resize",(function(){c.resize()}));var n=this.editor?[]:c.options.video.textTracks&&c.options.video.textTracks.videoTrack?c.options.video.textTracks.videoTrack:[];c.video=H5P.newRunnable({library:"H5P.Video 1.6",params:{sources:c.options.video.files,visuals:{poster:c.options.video.startScreenOptions.poster,controls:c.justVideo,fit:!1,disableRemotePlayback:!0},startAt:(null===(e=t.override)||void 0===e?void 0:e.startVideoAt)||0,a11y:n,playback:{autoplay:t.override&&!!t.override.autoplay,deactivateSound:c.deactivateSound}}},c.contentId,void 0,void 0,{parent:c,previousState:{time:null===(o=c.previousState)||void 0===o?void 0:o.progress}}),c.justVideo?c.video.on("loaded",(function(){c.trigger("resize")})):(c.video.on("containerLoaded",(function(){c.trigger("resize")})),c.video.on("loaded",(function(){d=!0,c.loaded(),c.controls||(c.addControls(),c.trigger("resize")),c.updateCurrentTime(c.currentTime),c.setSliderPosition(c.currentTime)})),c.video.on("canplay",(function(){c.trigger("resize")})),c.video.on("error",(function(){c.removeSplash()})),c.video.on("stateChange",(function(e){var o,n;!c.controls&&d&&(c.addControls(),c.trigger("resize"));var i=e.data;if(c.currentState!==Z.SEEKING)switch(i){case H5P.Video.ENDED:c.currentState=H5P.Video.ENDED,c.controls.$play.addClass("h5p-pause").attr("aria-label",c.l10n.play),c.timeUpdate(c.video.getCurrentTime()),c.updateCurrentTime(c.getDuration());var s=c.interactions.map((function(t){return t.getProgress()||0})).reduce((function(t,e){return t+e}),0);if(c.endscreensMap[c.getDuration()]&&s>0&&c.toggleEndscreen(!0),a){c.video.play();var r=t.override&&t.override.startVideoAt?t.override.startVideoAt:0;c.seek(r)}break;case H5P.Video.PLAYING:if(u){c.addQualityChooser(),c.addPlaybackRateChooser(),c.removeSplash(),c.startUpdatingBufferBar(),c.toggleBookmarksChooser(!1,{firstPlay:u}),c.toggleEndscreensChooser(!1,{firstPlay:u}),u=!1;var l=c.options.video.startScreenOptions.poster;l&&void 0!==l.path&&setTimeout((function(){c.trigger("resize")}),400)}c.currentState=H5P.Video.PLAYING,null===(o=c.controls)||void 0===o||o.$play.removeClass("h5p-pause").attr("aria-label",c.l10n.pause),null!==(n=c.controls)&&void 0!==n&&n.$play.is(":focus")&&(c.controls.$play.blur(),c.controls.$play.focus()),c.timeUpdate(c.video.getCurrentTime());break;case H5P.Video.PAUSED:c.currentState=H5P.Video.PAUSED,c.controls.$play.addClass("h5p-pause").attr("aria-label",c.l10n.play),c.focusInteraction?(c.focusInteraction.focusOnFirstTabbableElement(),delete c.focusInteraction):c.controls.$play.is(":focus")&&(c.controls.$play.blur(),c.controls.$play.focus()),c.timeUpdate(c.video.getCurrentTime());break;case H5P.Video.BUFFERING:c.currentState=H5P.Video.BUFFERING,c.removeSplash(),c.startUpdatingBufferBar()}})),c.video.on("qualityChange",(function(t){var e=t.data;if(c.controls&&c.controls.$qualityChooser){if("YouTube"===this.getHandlerName()){if(!c.qualities)return;var o=c.qualities.filter((function(e){return e.name===t.data}))[0];return void c.controls.$qualityChooser.find("li").attr("data-quality",t.data).html(o.label)}c.controls.$qualityChooser.find("li").attr("aria-checked","false").filter('[data-quality="'+e+'"]').attr("aria-checked","true")}})),c.video.on("playbackRateChange",(function(t){var e=t.data;c.controls&&c.controls.$playbackRateChooser&&c.controls.$playbackRateChooser.find("li").attr("aria-checked","false").filter('[playback-rate="'+e+'"]').attr("aria-checked","true")})),c.on("enterFullScreen",(function(){var t=this;c.hasFullScreen=!0,c.$container.parent(".h5p-content").css("height","100%"),c.controls.$fullscreen.addClass("h5p-exit").attr("aria-label",c.l10n.exitFullscreen),c.controls.$fullscreen.blur(),c.controls.$fullscreen.focus(),c.resizeInteractions(),setTimeout((function(){void 0!==t.bubbleEndscreen&&t.bubbleEndscreen.update()}),225)})),c.on("exitFullScreen",(function(){c.$container.hasClass("h5p-standalone")&&c.$container.hasClass("h5p-minimal")&&c.pause(),c.hasFullScreen=!1,c.$container.parent(".h5p-content").css("height",""),c.controls.$fullscreen.removeClass("h5p-exit").attr("aria-label",c.l10n.fullscreen),c.controls.$fullscreen.blur(),c.controls.$fullscreen.focus(),c.resizeInteractions(),c.dnb&&c.dnb.dialog&&!c.hasUncompletedRequiredInteractions()&&c.dnb.dialog.close()})),c.video.on("captions",(function(t){c.controls||(c.addControls(),c.trigger("resize")),c.setCaptionTracks(t.data)})),c.accessibility=new W(c.l10n))}},c.togglePlayPause=function(){var t=c.isDisabled(c.controls.$play);if(c.controls.$play.hasClass("h5p-pause")&&!t){var e=!screen||Math.min(screen.width,screen.height)<=c.width;H5P.fullscreenSupported&&!c.hasFullScreen&&e&&c.$container.hasClass("h5p-standalone")&&c.$container.hasClass("h5p-minimal")&&c.toggleFullScreen(),c.video.play(),c.toggleEndscreen(!1),c.closePopupMenus()}else c.video.pause();c.handleAnswered()},c.toggleMute=function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],e=c.controls.$volume;c.deactivateSound||(e.hasClass("h5p-muted")?(e.removeClass("h5p-muted").attr("aria-label",c.l10n.mute),c.video.unMute()):(e.addClass("h5p-muted").attr("aria-label",c.l10n.unmute),c.video.mute()),t&&(e.blur(),e.focus()))}}Z.prototype=Object.create(H5P.EventDispatcher.prototype),Z.prototype.constructor=Z,Z.prototype.setCaptionTracks=function(t){var e=this;if(t.unshift(new H5P.Video.LabelValue("Off","off")),e.captionsTrackSelector)e.captionsTrackSelector.updateOptions(t);else{var o=this.editor?void 0:e.options.video.textTracks.defaultTrackLabel,n=t.reduce((function(t,e){return void 0===t&&o&&e.label===o?e:t}),void 0)||e.video.getCaptionsTrack();n||(n=t[0]),e.captionsTrackSelector=new T("captions",t,n,"menuitemradio",e.l10n,e.contentId),e.controls.$captionsButton=J(e.captionsTrackSelector.control),e.popupMenuButtons.push(e.controls.$captionsButton),e.controls.$volume?J(e.captionsTrackSelector.control).insertAfter(e.controls.$volume):J(e.captionsTrackSelector.control).insertAfter(e.controls.$qualityButton),J(e.captionsTrackSelector.popup).css(e.controlsCss).insertAfter(J(e.captionsTrackSelector.control)),e.popupMenuChoosers.push(J(e.captionsTrackSelector.popup)),J(e.captionsTrackSelector.overlayControl).insertAfter(e.controls.$qualityButtonMinimal),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.captionsTrackSelector.overlayControl),e.captionsTrackSelector.on("select",(function(t){e.video.setCaptionsTrack("off"===t.data.value?null:t.data)})),e.captionsTrackSelector.on("close",(function(){e.controls.$overlayButtons.removeClass("h5p-hide"),"true"===e.controls.$more.attr("aria-expanded")&&e.controls.$more.click(),e.resumeVideo()})),e.captionsTrackSelector.on("open",(function(){e.controls.$overlayButtons.addClass("h5p-hide"),e.closePopupMenus(e.controls.$captionsButton)})),e.minimalMenuKeyboardControls.insertElementAt(e.captionsTrackSelector.overlayControl,2)}},Z.prototype.getCurrentState=function(){var t=this;if(t.video&&t.video.play){var e={submitted:this.userSubmitted,progress:t.currentTime,maxTimeReached:this.maxTimeReached||null,answers:[],interactionsProgress:t.interactions.slice().sort((function(t,e){return t.getDuration().from-e.getDuration().from})).map((function(t){return t.getProgress()}))};if(void 0!==t.interactions)for(var o=0;o<t.interactions.length;o++)e.answers[o]=t.interactions[o].getCurrentState();if(!H5P.isEmpty(e.answers)||parseInt(e.progress)!==(t.params.override.startVideoAt||0))return e}},Z.prototype.removeSplash=function(){void 0!==this.$splash&&(this.$splash.remove(),delete this.$splash)},Z.prototype.attach=function(t){var e=this;this.$container=t,this.initialize(),void 0!==this.isRoot&&this.isRoot()&&this.setActivityStarted(),t.addClass("h5p-interactive-video").html(""),this.$videoWrapper.appendTo(t),this.$controls.appendTo(t);var o=this.hasMainSummary();if(this.interactions&&this.interactions.forEach((function(t){t.reCreate(),t.isAnswerable()&&(o=!0)})),this.hasStar=this.editor||void 0!==this.options.assets.endscreens&&this.options.assets.endscreens.length&&o,this.attachVideo(this.$videoWrapper),this.justVideo)return this.$videoWrapper.find("video").css("minHeight","200px"),void t.children(":not(.h5p-video-wrapper)").remove();this.$read.appendTo(t),this.readText=null,void 0===this.editor?(this.dnb=new H5P.DragNBar([],this.$videoWrapper,this.$container,{disableEditor:!0}),this.dnb.dialog.on("open",(function(){e.lastState=e.currentState,e.currentState!==H5P.Video.PAUSED&&e.currentState!==H5P.Video.ENDED&&e.video.pause()})),this.dnb.dialog.on("close",(function(){e.restoreTabIndexes(),e.lastState!==H5P.Video.PAUSED&&e.lastState!==H5P.Video.ENDED&&e.video.play(),e.handleAnswered()}))):e.on("dnbEditorReady",(function(){e.dnb=e.editor.dnb,e.dnb.dialog.disableOverlay=!0})),this.video.pressToPlay||(this.currentState===Z.LOADED?this.addControls():this.addSplash()),t.attr("tabindex","-1");var n=function(t,o){var n=e.controls&&e.controls[o]?e.controls[o]:void 0;return!(void 0!==n&&"-1"!==n.attr("tabindex"))||"INPUT"===t.target.nodeName};I(t,[{key:C.M}],(function(t){n(t,"$volume")||e.toggleMute(!1)})),I(t,[{key:C.K}],(function(t){if(!n(t,"$play"))if(e.hasUncompletedRequiredInteractions()){var o=J(document.activeElement);e.showWarningMask().find(".h5p-button-back").click((function(){return o.focus()}))}else e.togglePlayPause()})),this.$container.append(J(this.accessibility.getInteractionAnnouncer())),this.currentState=Z.ATTACHED},Z.prototype.attachVideo=function(t){this.video.attach(t),this.justVideo||(this.$overlay=J('<div class="h5p-overlay h5p-ie-transparent-background"></div>').appendTo(t))},Z.prototype.addSplash=function(){var t=this;void 0!==this.editor||this.video.pressToPlay||!this.video.play||this.$splash||(this.$splash=J('<div class="h5p-splash-wrapper"><div class="h5p-splash-outer"><div class="h5p-splash" role="button" tabindex="0"><div class="h5p-splash-main"><div class="h5p-splash-main-outer"><div class="h5p-splash-main-inner"><div class="h5p-splash-play-icon" aria-label="'+this.l10n.play+'"></div><div class="h5p-splash-title">'+this.options.video.startScreenOptions.title+'</div></div></div></div><div class="h5p-splash-footer"><div class="h5p-splash-footer-holder"><div class="h5p-splash-description">'+t.startScreenOptions.shortStartDescription+"</div></div></div></div></div></div>").click((function(){t.video.play()})).appendTo(this.$overlay).find(".h5p-interaction-button").click((function(){return!1})).end(),J(".h5p-splash",this.$splash).keydown((function(e){P(e)&&(t.video.play(),e.preventDefault(),t.$controls.find(".h5p-play").focus())})),void 0!==this.startScreenOptions.shortStartDescription&&this.startScreenOptions.shortStartDescription.length||this.$splash.addClass("no-description"),this.startScreenOptions.hideStartTitle&&this.$splash.addClass("no-title"))},Z.prototype.getDuration=function(){return void 0===this.duration&&(this.duration=this.video.getDuration()),this.duration},Z.prototype.addControls=function(){var t=this;this.addSplash(),this.attachControls(this.$controls.removeClass("hidden"));var e=this.getDuration(),o=Z.humanizeTime(e),n=Z.formatTimeForA11y(e,this.l10n);if(this.controls.$totalTime.find(".human-time").html(o),this.controls.$totalTime.find(".hidden-but-read").html("".concat(this.l10n.totalTime," ").concat(n)),this.controls.$slider.slider("option","max",e),this.bookmarkMenuKeyboardControls=new b([new g]),this.bookmarkMenuKeyboardControls.on("close",(function(){return t.toggleBookmarksChooser(!1)})),this.endscreenMenuKeyboardControls=new b([new g]),this.endscreenMenuKeyboardControls.on("close",(function(){return t.toggleEndscreensChooser(!1)})),this.addSliderInteractions(),this.addBookmarks(),this.options.assets.endscreens&&this.options.assets.endscreens.length>0)for(var i=!1,s=this.getDuration(),r=this.options.assets.endscreens.length-1;r>=0;r--){this.options.assets.endscreens[r].time>s&&(i?(this.options.assets.endscreens.splice(r,1),this.trigger("endscreensChanged",{index:r,number:-1})):(this.options.assets.endscreens[r].time=s,this.options.assets.endscreens[r].label=Z.humanizeTime(s)+" "+this.l10n.endscreen,this.trigger("endscreensChanged",{index:r,number:1}),i=!0))}this.addEndscreenMarkers(),this.addBubbles(),this.trigger("controls")},Z.prototype.loaded=function(){var t=this.getDuration();if(this.oneSecondInPercentage=100/t,t=Math.floor(t),void 0!==this.editor){var e=et("interactions",this.editor.field.fields),o=et("duration",e.field.fields).fields;o[0].max=o[1].max=t,o[0].min=o[1].min=0;for(var n=et("adaptivity",e.field.fields).fields,i=0;i<n.length;i++)n[i].fields&&(et("seekTo",n[i].fields).max=t)}if(this.options.assets.interactions&&this.options.assets.interactions.length>0)for(i=this.options.assets.interactions.length-1;i>=0;i--)if(this.options.assets.interactions[i].duration.to>t){var s=this.options.assets.interactions[i].duration.to-this.options.assets.interactions[i].duration.from,r=t-s<=0?0:t-s;this.options.assets.interactions[i].duration.from=r,this.options.assets.interactions[i].duration.to=t}if(this.hasMainSummary()){var a=t-this.options.summary.displayAt;a<0&&(a=0),void 0===this.options.assets.interactions&&(this.options.assets.interactions=[]),this.options.assets.interactions.push({action:this.options.summary.task,x:80,y:80,duration:{from:a,to:t},displayType:"button",bigDialog:!0,className:"h5p-summary-interaction h5p-end-summary",label:"<p>"+this.l10n.summary+"</p>",mainSummary:!0}),this.initInteraction(this.options.assets.interactions.length-1)}this.currentState===Z.ATTACHED&&(this.video.pressToPlay||this.addControls(),this.trigger("resize")),this.currentState=Z.LOADED},Z.prototype.initInteraction=function(t){var e,o=this,n=o.options.assets.interactions[t];if(o.override){var i={};n.adaptivity&&n.adaptivity.requireCompletion&&(i.enableRetry=!0),H5P.jQuery.extend(n.action.params.behaviour,o.override,i)}void 0!==o.previousState&&void 0!==o.previousState.answers&&null!==o.previousState.answers[t]&&(e=o.previousState.answers[t]);var s=new L(n,o,e);return s.on("display",(function(t){var e=t.data;e.appendTo(o.$overlay),s.repositionToWrapper(o.$videoWrapper);var n=void 0!==o.video.pressToPlay;ot(n?100:null,(function(){(o.currentState===H5P.Video.PLAYING||o.currentState===H5P.Video.BUFFERING)&&s.pause()&&(o.focusInteraction||(o.focusInteraction=s),o.video.pause())})),o.seekingTo&&(o.seekingTo=void 0,e.focus()),setTimeout((function(){s.positionLabel(o.$videoWrapper.width())}),0),o.toggleEndscreen(!1)})),s.on("hide",(function(){o.handleAnswered()})),s.on("xAPI",(function(t){var e=t.getVerb();"interacted"===e&&this.setProgress(L.PROGRESS_INTERACTED),-1!==J.inArray(e,["completed","answered"])&&t.setVerb("answered"),void 0===t.data.statement.context.extensions&&(t.data.statement.context.extensions={}),t.data.statement.context.extensions["http://id.tincanapi.com/extension/ending-point"]="PT"+Math.floor(o.video.getCurrentTime())+"S"})),o.interactions.push(s),s},Z.prototype.handleAnswered=function(){var t=this;t.interactions.forEach((function(e){e.getProgress()===L.PROGRESS_INTERACTED&&(e.setProgress(L.PROGRESS_ANSWERED),e.$menuitem.addClass("h5p-interaction-answered"),t.hasStar&&(t.playStarAnimation(),t.playBubbleAnimation(t.l10n.answered.replace("@answered","<strong>"+t.getAnsweredTotal()+"</strong>")),t.endscreen.update(t.interactions)))}))},Z.prototype.getAnsweredTotal=function(){return this.interactions.filter((function(t){return t.getProgress()===L.PROGRESS_ANSWERED})).length},Z.prototype.hasMainSummary=function(){var t=this.options.summary;return!(void 0===t||void 0===t.displayAt||void 0===t.task||void 0===t.task.params||void 0===t.task.params.summaries||!t.task.params.summaries.length||void 0===t.task.params.summaries[0].summary||!t.task.params.summaries[0].summary.length)},Z.prototype.addSliderInteractions=function(){var t=this,e=this;this.controls.$interactionsContainer.children().remove(),this.interactionKeyboardControls.elements=[],H5P.jQuery.extend([],this.interactions).sort((function(t,e){return t.getDuration().from-e.getDuration().from})).forEach((function(o){var n=o.addDot();e.menuitems.push(n),void 0===e.previousState&&e.interactionsProgress.push(void 0),e.interactionsProgress[e.menuitems.length-1]===L.PROGRESS_ANSWERED&&(o.setProgress(e.interactionsProgress[e.menuitems.length-1]),n.addClass("h5p-interaction-answered")),void 0!==n&&(n.appendTo(t.controls.$interactionsContainer),"both"!==e.preventSkippingMode&&t.interactionKeyboardControls.addElement(n.get(0)))})),e.interactionKeyboardControls.on("afterNextElement",(function(e){return t.handleInteractionTabIndex(e)})),e.interactionKeyboardControls.on("afterPreviousElement",(function(e){return t.handleInteractionTabIndex(e)}))},Z.prototype.handleInteractionTabIndex=function(t){t.element.removeAttribute("tabindex")},Z.prototype.closePopupMenus=function(t){this.popupMenuButtons.forEach((function(e){void 0!==e&&e!==t&&void 0===e.attr("aria-disabled")&&"true"===e.attr("aria-expanded")&&e.click()}))},Z.prototype.displayBookmarks=function(){return this.options.assets.bookmarks&&this.options.assets.bookmarks.length&&"both"!==this.preventSkippingMode},Z.prototype.addBookmarks=function(){if(this.bookmarksMap={},void 0!==this.options.assets.bookmarks&&"both"!==this.preventSkippingMode)for(var t=0;t<this.options.assets.bookmarks.length;t++)this.addBookmark(t)},Z.prototype.addEndscreenMarkers=function(){if(this.endscreensMap={},void 0!==this.options.assets.endscreens)for(var t=0;t<this.options.assets.endscreens.length;t++)this.addEndscreen(t);this.editor&&this.editor.freshVideo&&(this.endscreensMap[this.getDuration()]||this.editor.addEndscreen(this.getDuration(),!0))},Z.prototype.addBubbles=function(){var t=this;!this.editor&&this.hasStar&&(this.bubbleScore=new U(this.$star),this.endscreen=new X(this,{l10n:{title:this.l10n.endcardTitle,information:this.l10n.endcardInformation,informationOnSubmitButtonDisabled:this.l10n.endcardInformationOnSubmitButtonDisabled,informationNoAnswers:this.l10n.endcardInformationNoAnswers,informationMustHaveAnswer:this.l10n.endcardInformationMustHaveAnswer,submitButton:this.l10n.endcardSubmitButton,submitMessage:this.l10n.endcardSubmitMessage,tableRowAnswered:this.l10n.endcardTableRowAnswered,tableRowScore:this.l10n.endcardTableRowScore,answeredScore:this.l10n.endcardAnsweredScore,tableRowSummary:this.l10n.endCardTableRowSummary,tableRowSummaryWithoutScore:this.l10n.endCardTableRowSummaryWithoutScore}}),this.endscreen.update(this.interactions),this.bubbleEndscreen=new U(this.$star,{content:this.endscreen.getDOM(),focus:function(){return t.endscreen.focus()},maxWidth:"auto",style:"h5p-interactive-video-bubble-endscreen",mode:"full"}))},Z.prototype.toggleBookmarksChooser=function(t){var e,o=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{initialLoad:!1,keepStopped:!1,firstPlay:!1};if(null!==(e=this.controls)&&void 0!==e&&e.$bookmarksButton){t=void 0===t?!this.controls.$bookmarksChooser.hasClass("h5p-show"):t;var i=this.controls.$bookmarksChooser.hasClass("h5p-show");this.controls.$minimalOverlay.toggleClass("h5p-show",t),this.controls.$minimalOverlay.find(".h5p-minimal-button").toggleClass("h5p-hide",t),this.controls.$bookmarksButton.attr("aria-expanded",!!t&&"true"),this.controls.$more.attr("aria-expanded",t?"true":"false"),this.controls.$bookmarksChooser.css({maxHeight:t?this.controlsCss.maxHeight:"32px"}).toggleClass("h5p-show",t).toggleClass("h5p-transitioning",t||i)}t?(this.closePopupMenus(this.controls.$bookmarksButton),this.showBookmarksmenuOnLoad&&n.initialLoad||this.controls.$bookmarksChooser[0].addEventListener("transitionend",(function(){o.controls.$bookmarksChooser.find('[tabindex="0"]').first().focus()}),{once:!0}),this.editor&&(this.interruptVideo(),this.updateChooserTime(this.controls.$bookmarksChooser,".h5p-add-bookmark"))):n.firstPlay||(this.editor&&!n.keepStopped&&this.resumeVideo(),this.controls.$bookmarksChooser.hasClass("h5p-show")||this.controls.$bookmarksButton.focus())},Z.prototype.toggleEndscreensChooser=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{keepStopped:!1,firstPlay:!1};if(this.editor&&this.controls.$endscreensButton){t=void 0===t?!this.controls.$endscreensChooser.hasClass("h5p-show"):t;var o=this.controls.$endscreensChooser.hasClass("h5p-show");this.controls.$minimalOverlay.toggleClass("h5p-show",t),this.controls.$minimalOverlay.find(".h5p-minimal-button").toggleClass("h5p-hide",t),this.controls.$endscreensButton.attr("aria-expanded",t?"true":"false").toggleClass("h5p-star-active-editor",t),this.controls.$more.attr("aria-expanded",t?"true":"false");var n=-10+Math.min(0,this.$container.outerWidth()-this.controls.$endscreensChooser.parent().offset().left-this.controls.$endscreensChooser.outerWidth())+"px";this.controls.$endscreensChooser.css({maxHeight:t?this.controlsCss.maxHeight:"32px"}).css({left:n}).toggleClass("h5p-show",t).toggleClass("h5p-transitioning",t||o)}t?(this.closePopupMenus(this.controls.$endscreensButton),this.editor&&(this.interruptVideo(),this.updateChooserTime(this.controls.$endscreensChooser,".h5p-add-endscreen")),this.controls.$endscreensChooser.find('[tabindex="0"]').first().focus()):e.firstPlay||(this.editor&&!e.keepStopped&&this.resumeVideo(),this.controls.$endscreensChooser.hasClass("h5p-show")||this.controls.$endscreensButton.focus())},Z.prototype.updateChooserTime=function(t,e){var o=t.find(e);o.html(o.data("default").replace("@timecode",Z.humanizeTime(this.video.getCurrentTime())))},Z.prototype.interruptVideo=function(){this.currentState===H5P.Video.PLAYING&&(this.interruptedTemporarily=!0,this.video.pause())},Z.prototype.resumeVideo=function(t){if(!t){if(!this.interruptedTemporarily)return;if(this.popupMenuChoosers.some((function(t){return t.hasClass("h5p-show")})))return}this.interruptedTemporarily=!1,this.video.play()},Z.prototype.toggleEndscreen=function(t){var e,o;!this.editor&&this.hasStar&&t!==(null===(e=this.bubbleEndscreen)||void 0===e?void 0:e.isActive())&&null!==(o=this.controls)&&void 0!==o&&o.$endscreensButton&&((t=void 0===t?!this.bubbleEndscreen.isActive():t)?(this.disableTabIndexes(".h5p-interactive-video-endscreen"),this.stateBeforeEndscreen=this.currentState,this.video.pause(),this.endscreen.update(this.interactions)):(this.restoreTabIndexes(),this.controls.$endscreensButton.focus(),this.stateBeforeEndscreen===H5P.Video.PLAYING&&(this.video.play(),this.stateBeforeEndscreen=void 0)),this.controls.$endscreensButton.attr("aria-expanded",t),this.controls.$endscreensButton.toggleClass("h5p-star-active",t),this.bubbleEndscreen.toggle(t,!0))},Z.prototype.showPreventSkippingMessage=function(){var t,e,o,n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=arguments.length>1?arguments[1]:void 0,s=this;if(n.x=null!==(t=n.x)&&void 0!==t?t:0,n.y="number"==typeof n.y?25-n.y:25,i=null!==(e=i)&&void 0!==e?e:s.l10n.navDisabled,!s.preventSkippingWarningTimeout){s.$preventSkippingMessage||(s.$preventSkippingMessage=J("<div>",{class:"h5p-prevent-skipping-message",appendTo:s.controls.$bookmarksContainer}),s.$preventSkippingMessage=J("<div>",{class:"h5p-prevent-skipping-message",appendTo:s.controls.$endscreensContainer}),s.$preventSkippingMessageText=J("<div>",{class:"h5p-prevent-skipping-message-text",html:i,appendTo:s.$preventSkippingMessage}),s.$preventSkippingMessageTextA11y=J("<div>",{class:"hidden-but-read",html:i,appendTo:s.controls.$slider}));var r=s.$preventSkippingMessage.innerWidth()-s.$preventSkippingMessage.width();s.$preventSkippingMessage.css("max-width","".concat(s.$videoWrapper.width()-r,"px"));var a=parseFloat(null!==(o=s.$preventSkippingMessage.css("transform").split(",")[4])&&void 0!==o?o:0),c=s.$sliderContainer.get(0).offsetLeft+s.controls.$slider.get(0).offsetLeft+n.x+a+s.$preventSkippingMessage.outerWidth(),l=Math.max(0,c-s.$container.width());n.x-=l,s.$preventSkippingMessage.toggleClass("h5p-overflow",l>0),s.$preventSkippingMessage.css("left",n.x),s.$preventSkippingMessage.css("bottom",n.y),setTimeout((function(){s.$preventSkippingMessage.addClass("h5p-show").attr("aria-hidden","false")}),0),s.preventSkippingWarningTimeout=setTimeout((function(){s.$preventSkippingMessage.removeClass("h5p-show").attr("aria-hidden","true"),setTimeout((function(){s.preventSkippingWarningTimeout=void 0}),500)}),2e3)}},Z.prototype.onBookmarkSelect=function(t,e){var o=this;if(this.isSkippingProhibited(e.time))this.showPreventSkippingMessage({x:e.time/o.video.getDuration()*o.controls.$slider.get(0).offsetWidth+2,y:-23},o.l10n.navForwardDisabled);else{o.currentState!==H5P.Video.PLAYING&&(t.mouseover().mouseout(),setTimeout((function(){o.timeUpdate(o.video.getCurrentTime())}),0)),"true"===o.controls.$more.attr("aria-expanded")&&o.$container.hasClass("h5p-minimal")?o.controls.$more.click():o.toggleBookmarksChooser(!1),o.video.play(),o.seek(e.time);var n=Z.formatTimeForA11y(e.time,o.l10n);setTimeout((function(){return o.read("".concat(o.l10n.currentTime," ").concat(n))}),150)}},Z.prototype.onEndscreenSelect=function(t,e){var o=this;o.currentState!==H5P.Video.PLAYING&&(t.mouseover().mouseout(),setTimeout((function(){o.timeUpdate(o.video.getCurrentTime())}),0)),"true"===o.controls.$more.attr("aria-expanded")&&o.$container.hasClass("h5p-minimal")?o.controls.$more.click():o.toggleEndscreensChooser(!1),o.video.play(),o.seek(e.time);var n=Z.formatTimeForA11y(e.time,o.l10n);setTimeout((function(){return o.read("".concat(o.l10n.currentTime," ").concat(n))}),150)},Z.prototype.addBookmark=function(t,e){var o=this,n=o.options.assets.bookmarks[t];void 0===e&&(e=Math.floor(10*n.time)/10);var i=o.bookmarksMap[e]=J('<div class="h5p-bookmark" style="left:'+n.time*o.oneSecondInPercentage+'%"><div class="h5p-bookmark-label"><div class="h5p-bookmark-text">'+n.label+"</div></div></div>").appendTo(o.controls.$bookmarksContainer).data("id",t).hover((function(){void 0!==o.bookmarkTimeout&&clearTimeout(o.bookmarkTimeout),o.controls.$bookmarksContainer.children(".h5p-show").removeClass("h5p-show"),i.addClass("h5p-show")}),(function(){o.bookmarkTimeout=setTimeout((function(){i.removeClass("h5p-show")}),o.editor?1e3:2e3)}));i.find(".h5p-bookmark-label").css("maxWidth",parseInt(o.controls.$slider.parent().css("marginRight"))-35),void 0===o.controls.$bookmarksList&&(o.controls.$bookmarksList=J('<ul role="menu"></ul>').insertAfter(o.controls.$bookmarksChooser.find("h2")));var s=J('<li role="menuitem" aria-describedby="'.concat(o.bookmarksMenuId,'">').concat(n.label,"</li>")).click((function(){return o.onBookmarkSelect(i,n)})).keydown((function(t){P(t)&&o.onBookmarkSelect(i,n),t.stopPropagation()}));o.bookmarkMenuKeyboardControls.addElement(s.get(0));var r=o.controls.$bookmarksList.children(":eq("+t+")");return 0!==r.length?s.insertBefore(r):s.appendTo(o.controls.$bookmarksList),o.on("bookmarksChanged",(function(n){var r=n.data.index,a=n.data.number;r===t&&a<0?(s.remove(),delete o.bookmarksMap[e]):t>=r&&(t+=a,i.data("id",t))})),o.trigger("bookmarkAdded",{bookmark:i}),i},Z.prototype.addEndscreen=function(t,e){var o,n=this,i=n.options.assets.endscreens[t];if(void 0===e&&(e=Math.floor(10*i.time)/10),!this.editor)return n.getDuration()-e<1&&(e=n.getDuration()),void(o=n.endscreensMap[e]=!0);o=n.endscreensMap[e]=J('<div class="h5p-endscreen" style="left:'+i.time*n.oneSecondInPercentage+'%"><div class="h5p-endscreen-label"><div class="h5p-endscreen-text">'+i.label+"</div></div></div>").appendTo(n.controls.$endscreensContainer).data("id",t).hover((function(){void 0!==n.endscreenTimeout&&clearTimeout(n.endscreenTimeout),n.controls.$endscreensContainer.children(".h5p-show").removeClass("h5p-show"),o.addClass("h5p-show")}),(function(){n.endscreenTimeout=setTimeout((function(){o.removeClass("h5p-show")}),n.editor?1e3:2e3)})),n.editor&&(n.endscreenTimeout=setTimeout((function(){o.removeClass("h5p-show")}),1e3)),o.find(".h5p-endscreen-label").css("maxWidth",parseInt(n.controls.$slider.parent().css("marginRight"))-35),void 0===n.controls.$endscreensList&&(n.controls.$endscreensList=J('<ul role="menu"></ul>').insertAfter(n.controls.$endscreensChooser.find("h2")));var s=J('<li role="menuitem" aria-describedby="'.concat(n.endscreensMenuId,'">').concat(i.label,"</li>")).click((function(){return n.onEndscreenSelect(o,i)})).keydown((function(t){P(t)&&n.onEndscreenSelect(o,i),t.stopPropagation()}));n.endscreenMenuKeyboardControls.addElement(s.get(0));var r=n.controls.$endscreensList.children(":eq("+t+")");return 0!==r.length?s.insertBefore(r):s.appendTo(n.controls.$endscreensList),n.on("endscreensChanged",(function(i){var r=i.data.index,a=i.data.number;r===t&&a<0?(s.remove(),delete n.endscreensMap[e]):t>=r&&(t+=a,o.data("id",t))})),n.trigger("endscreenAdded",{endscreen:o}),o},Z.prototype.attachControls=function(t){var e=this,o=J("<div/>",{class:"h5p-controls-left",appendTo:t});e.$sliderContainer=J("<div/>",{class:"h5p-control h5p-slider",appendTo:t}),e.hasStar&&(e.$star=J("<div/>",{class:"h5p-control h5p-star",appendTo:t}),e.$starBar=J("<div/>",{class:"h5p-control h5p-star h5p-star-bar",appendTo:e.$star}),J("<div/>",{class:"h5p-control h5p-star h5p-star-background",appendTo:e.$star}),e.$starAnimation=J("<div/>",{class:"h5p-control h5p-star h5p-star-animation h5p-star-animation-inactive",appendTo:e.$star}));var n=J("<div/>",{class:"h5p-controls-right",appendTo:t});"both"===e.preventSkippingMode&&e.setDisabled(e.$sliderContainer),e.controls={},e.controls.$play=e.createButton("play","h5p-control h5p-pause",o,e.togglePlayPause),e.showRewind10&&(e.controls.$rewind10=e.createButton("rewind10","h5p-control",o,(function(){if(e.video.getCurrentTime()>0){var t=Math.max(e.video.getCurrentTime()-10,0);e.seek(t),e.currentState===H5P.Video.PAUSED&&e.timeUpdate(t),e.currentState===H5P.Video.ENDED&&e.video.play()}})));var i=function(t,o){return function(){var n=e.controls[t],i=e.controls[o],s="true"===n.attr("aria-disabled"),r="true"===n.attr("aria-expanded");s||(r?(n.attr("aria-expanded","false"),i.hasClass("h5p-show")||n.focus(),i.removeClass("h5p-show"),function(){var t=e.$container.hasClass("h5p-minimal")&&"true"===e.controls.$more.attr("aria-expanded");t&&e.controls.$more.click()}(),e.resumeVideo()):(n.attr("aria-expanded","true"),i.addClass("h5p-show"),i.find('[tabindex="0"]').focus(),e.closePopupMenus(n)))}},s=e.editor||e.displayBookmarks();if(s&&(e.controls.$bookmarksChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-bookmarks",role:"dialog",html:'<h2 id="'.concat(e.bookmarksMenuId,'">').concat(e.l10n.bookmarks,"</h2>")}),e.popupMenuChoosers.push(e.controls.$bookmarksChooser),e.controls.$bookmarksChooser.append(J("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return e.toggleBookmarksChooser()},keydown:function(t){P(t)&&(e.toggleBookmarksChooser(),t.preventDefault())}})),e.showRewind10&&e.controls.$bookmarksChooser.addClass("h5p-rewind-displacement"),e.controls.$bookmarksButton=e.createButton("bookmarks","h5p-control",o,(function(){e.toggleBookmarksChooser()})),e.controls.$bookmarksButton.attr("aria-haspopup","true"),e.controls.$bookmarksButton.attr("aria-expanded","false"),e.controls.$bookmarksChooser.insertAfter(e.controls.$bookmarksButton),e.controls.$bookmarksChooser.bind("transitionend",(function(){e.controls.$bookmarksChooser.removeClass("h5p-transitioning")})),e.popupMenuButtons.push(e.controls.$bookmarksButton)),e.hasStar){var r=e.editor?"star h5p-star-foreground-editor":"star h5p-star-foreground",a=e.editor?function(){return e.toggleEndscreensChooser()}:function(){return e.toggleEndscreen()};e.controls.$endscreensButton=e.createButton(r,"h5p-control",e.$star,a),e.controls.$endscreensButton.attr("aria-label",e.l10n.summary).attr("aria-haspopup","dialog").attr("aria-expanded","false"),e.popupMenuButtons.push(e.controls.$endscreensButton)}e.editor&&(e.controls.$endscreensChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-endscreens",role:"dialog",html:'<h2 id="'.concat(e.endscreensMenuId,'">').concat(e.l10n.endscreens,"</h2>")}),e.popupMenuChoosers.push(e.controls.$endscreensChooser),e.controls.$endscreensChooser.append(J("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return e.toggleEndscreensChooser()},keydown:function(t){P(t)&&(e.toggleEndscreensChooser(),t.preventDefault())}})),e.hasStar&&(e.controls.$endscreensButton.attr("aria-haspopup","true").attr("aria-expanded","false"),e.controls.$endscreensChooser.insertAfter(e.controls.$endscreensButton).bind("transitionend",(function(){e.controls.$endscreensChooser.removeClass("h5p-transitioning")}))));var c='<time class="h5p-current">\n      <span class="hidden-but-read"></span>\n      <span class="human-time" aria-hidden="true">0:00</span>\n    </time>',l=J('<div class="h5p-control h5p-simple-time">'.concat(c,"</div>")).appendTo(o);e.controls.$currentTimeSimple=l.find(".human-time"),e.controls.$currentTimeA11ySimple=l.find(".hidden-but-read");var d=Z.formatTimeForA11y(0,e.l10n),u=J('<div class="h5p-control h5p-time">\n    '.concat(c,'\n    <span aria-hidden="true"> / </span>\n    <time class="h5p-total">\n      <span class="hidden-but-read">').concat(e.l10n.totalTime," ").concat(d,'</span>\n      <span class="human-time" aria-hidden="true">0:00</span>\n    </time>\n  </div>')).appendTo(n),h=u.find(".h5p-current");e.controls.$currentTime=h.find(".human-time"),e.controls.$currentTimeA11y=h.find(".hidden-but-read"),e.controls.$totalTime=u.find(".h5p-total"),e.updateCurrentTime(0);var p=function(){e.controls.$minimalOverlay.removeClass("h5p-show"),e.controls.$more.attr("aria-expanded","false"),e.controls.$more.focus(),setTimeout((function(){e.controls.$overlayButtons.removeClass("h5p-hide")}),150)};e.controls.$more=e.createButton("more","h5p-control",n,(function(){"true"===e.controls.$more.attr("aria-expanded")?p():(e.controls.$minimalOverlay.addClass("h5p-show"),e.controls.$more.attr("aria-expanded","true"),e.removeSplash(),setTimeout((function(){e.controls.$minimalOverlay.find('[tabindex="0"]').focus()}),150)),e.closePopupMenus()})),e.controls.$playbackRateChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-playbackRate",role:"dialog",html:'<h2 id="'.concat(e.playbackRateMenuId,'">').concat(e.l10n.playbackRate,"</h2>")}),e.popupMenuChoosers.push(e.controls.$playbackRateChooser);var m=function(){e.isMinimal?e.controls.$more.click():e.controls.$playbackRateButton.click(),e.resumeVideo()};e.controls.$playbackRateChooser.append(J("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return m()},keydown:function(t){P(t)&&(m(),t.preventDefault())}})),e.controls.$playbackRateButton=e.createButton("playbackRate","h5p-control",n,i("$playbackRateButton","$playbackRateChooser")),e.popupMenuButtons.push(e.controls.$playbackRateButton),e.setDisabled(e.controls.$playbackRateButton),e.controls.$playbackRateButton.attr("aria-haspopup","true"),e.controls.$playbackRateButton.attr("aria-expanded","false"),e.controls.$playbackRateChooser.insertAfter(e.controls.$playbackRateButton),-1===navigator.userAgent.indexOf("Android")&&-1===navigator.userAgent.indexOf("iPad")&&(e.controls.$volume=e.createButton("mute","h5p-control",n,e.toggleMute),e.deactivateSound&&(e.controls.$volume.addClass("h5p-muted").attr("aria-label",e.l10n.sndDisabled),e.setDisabled(e.controls.$volume))),e.deactivateSound&&e.video.mute(),e.video.isMuted()&&e.controls.$volume.addClass("h5p-muted").attr("aria-label",e.l10n.sndDisabled),e.controls.$qualityChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-quality",role:"dialog",html:'<h2 id="'.concat(e.qualityMenuId,'">').concat(e.l10n.quality,"</h2>")}),e.popupMenuChoosers.push(e.controls.$qualityChooser);var v=function(){e.isMinimal?e.controls.$more.click():e.controls.$qualityButton.click(),e.resumeVideo()};e.controls.$qualityChooser.append(J("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return v()},keydown:function(t){P(t)&&(v(),t.preventDefault())}})),e.controls.$qualityButton=e.createButton("quality","h5p-control",n,i("$qualityButton","$qualityChooser")),e.popupMenuButtons.push(e.controls.$qualityButton),e.setDisabled(e.controls.$qualityButton),e.controls.$qualityButton.attr("aria-haspopup","true"),e.controls.$qualityButton.attr("aria-expanded","false"),e.controls.$qualityChooser.insertAfter(e.controls.$qualityButton),e.editor||!1===H5P.fullscreenSupported||(e.controls.$fullscreen=e.createButton("fullscreen","h5p-control",n,(function(){e.toggleFullScreen()}))),e.controls.$minimalOverlay=H5P.jQuery("<div/>",{class:"h5p-minimal-overlay",appendTo:e.$container});var f=H5P.jQuery("<div/>",{role:"menu",class:"h5p-minimal-wrap",appendTo:e.controls.$minimalOverlay});e.minimalMenuKeyboardControls=new b([new g]),e.minimalMenuKeyboardControls.on("close",(function(){return p()})),e.controls.$overlayButtons=H5P.jQuery([]),s&&(e.controls.$bookmarkButtonMinimal=e.createButton("bookmarks","h5p-minimal-button",f,(function(){e.controls.$overlayButtons.addClass("h5p-hide"),e.toggleBookmarksChooser(!0)}),!0),e.controls.$bookmarkButtonMinimal.attr("role","menuitem"),e.controls.$bookmarkButtonMinimal.attr("tabindex","-1"),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.controls.$bookmarkButtonMinimal),e.minimalMenuKeyboardControls.addElement(e.controls.$bookmarkButtonMinimal.get(0))),e.controls.$qualityButtonMinimal=e.createButton("quality","h5p-minimal-button",f,(function(){e.isDisabled(e.controls.$qualityButton)||(e.controls.$overlayButtons.addClass("h5p-hide"),e.controls.$qualityButton.click())}),!0),e.setDisabled(e.controls.$qualityButtonMinimal),e.controls.$qualityButtonMinimal.attr("role","menuitem"),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.controls.$qualityButtonMinimal),e.minimalMenuKeyboardControls.addElement(e.controls.$qualityButtonMinimal.get(0)),e.controls.$playbackRateButtonMinimal=e.createButton("playbackRate","h5p-minimal-button",f,(function(){e.isDisabled(e.controls.$playbackRateButton)||(e.controls.$overlayButtons.addClass("h5p-hide"),e.controls.$playbackRateButton.click())}),!0),e.controls.$playbackRateButtonMinimal.attr("role","menuitem"),e.setDisabled(e.controls.$playbackRateButtonMinimal),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.controls.$playbackRateButtonMinimal),e.minimalMenuKeyboardControls.addElement(e.controls.$playbackRateButtonMinimal.get(0)),e.addQualityChooser(),e.addPlaybackRateChooser(),e.interactionKeyboardControls=new b([new g]),e.controls.$interactionsContainer=J("<div/>",{role:"menu",class:"h5p-interactions-container","aria-label":e.l10n.interaction}),e.controls.$bookmarksContainer=J("<div/>",{class:"h5p-bookmarks-container",appendTo:e.$sliderContainer}),e.controls.$endscreensContainer=J("<div/>",{class:"h5p-endscreens-container",appendTo:e.$sliderContainer}),e.hasPlayPromise=!1,e.hasQueuedPause=!1,e.delayed=!1,e.controls.$slider=J("<div/>",{appendTo:e.$sliderContainer}).slider({value:0,step:.01,orientation:"horizontal",range:"min",max:0,create:function(t){var o=J(t.target).find(".ui-slider-handle");o.attr("role","slider").attr("aria-valuemin","0").attr("aria-valuemax",e.getDuration().toString()).attr("aria-valuetext",Z.formatTimeForA11y(0,e.l10n)).attr("aria-valuenow","0").attr("aria-label",e.l10n.videoProgressBar).attr("tabindex","0"),"both"===e.preventSkippingMode&&e.setDisabled(o).attr("aria-hidden","true")},start:function(){e.currentState!==Z.SEEKING&&(e.toggleEndscreen(!1),e.delayedState||(e.currentState===H5P.Video.ENDED?e.lastState=H5P.Video.PLAYING:e.currentState===H5P.Video.BUFFERING&&e.lastState||(e.lastState=e.currentState)),e.delayedState=!0,clearTimeout(e.delayTimeout),e.delayTimeout=setTimeout((function(){e.delayedState=!1}),200),e.hasPlayPromise?e.hasQueuedPause=!0:e.video.pause(),e.currentState=Z.SEEKING,e.removeSplash(),e.$overlay.addClass("h5p-visible"))},slide:function(t,o){var n=x(t,[C.ARROW_LEFT,C.ARROW_RIGHT]),i=o.value;if(e.isSkippingProhibited(i)&&(i=e.maxTimeReached),n){var s=x(t,[C.ARROW_RIGHT]),r=e.getDuration();i=s?Math.min(i+5,r):Math.max(i-5,0),e.isSkippingProhibited(i)&&(i=e.maxTimeReached),e.timeUpdate(i,!0)}return e.seek(i),e.updateInteractions(i),e.updateCurrentTime(i),!n},stop:function(t,o){e.currentState=e.lastState;var n=e.isSkippingProhibited(o.value)?e.maxTimeReached:o.value;e.seek(n),e.recreateCurrentInteractions();var i=e.lastState===H5P.Video.PLAYING||e.lastState===H5P.Video.VIDEO_CUED||e.hasQueuedPause;if(e.hasPlayPromise)e.hasQueuedPause=!1;else if(i){e.hasQueuedPause=!1;var s=e.video.play();e.hasQueuedPause=!1,s&&s.then?(e.hasPlayPromise=!0,s.then((function(){setTimeout((function(){(e.hasQueuedPause||e.hasActivePauseInteraction())&&e.video.pause(),e.hasPlayPromise=!1}),0)}))):e.hasActivePauseInteraction()?(e.video.play(),setTimeout((function(){e.video.pause()}),50)):e.timeUpdate(n)}else e.timeUpdate(n);e.isSkippingProhibited(o.value)&&(e.showPreventSkippingMessage({x:o.value/e.video.getDuration()*e.controls.$slider.get(0).offsetWidth},e.l10n.navForwardDisabled),e.setSliderPosition(n)),e.$overlay.removeClass("h5p-visible"),e.editor&&(e.updateChooserTime(e.controls.$bookmarksChooser,".h5p-add-bookmark"),e.updateChooserTime(e.controls.$endscreensChooser,".h5p-add-endscreen"))}}),e.controls.$interactionsContainer.appendTo(e.$sliderContainer),"both"===e.preventSkippingMode&&(e.controls.$slider.slider("disable"),e.controls.$slider.parent().click((function(t){var o=e.menuitems.map((function(t){return t.get(0)})).includes(t.target)?t.target.offsetLeft:t.offsetX;return e.showPreventSkippingMessage({x:o,y:-13}),!1}))),e.displayBookmarks()&&e.showBookmarksmenuOnLoad&&!1===e.video.pressToPlay&&e.toggleBookmarksChooser(!0,{initialLoad:!0}),e.controls.$buffered=J("<div/>",{class:"h5p-buffered",prependTo:e.controls.$slider})},Z.prototype.playStarAnimation=function(){var t=this;this.$starAnimation.hasClass("h5p-star-animation-inactive")&&(this.$starAnimation.removeClass("h5p-star-animation-inactive").addClass("h5p-star-animation-active"),setTimeout((function(){t.$starAnimation.removeClass("h5p-star-animation-active").addClass("h5p-star-animation-inactive")}),1e3))},Z.prototype.playBubbleAnimation=function(t){this.bubbleScore.setContent(t),this.bubbleScore.animate()},Z.prototype.hasActivePauseInteraction=function(){var t=!1;return this.interactions.forEach((function(e){e.getElement()&&e.pause()&&(t=!0)})),t},Z.prototype.createButton=function(t,e,o,n,i){var s={role:"button",tabindex:0,class:(void 0===e?"":e+" ")+"h5p-"+t,on:{click:function(){n.call(this)},keydown:function(t){P(t)&&(n.call(this),t.preventDefault(),t.stopPropagation())}},appendTo:o};return s[i?"text":"aria-label"]=this.l10n[t],H5P.jQuery("<div/>",s)},Z.prototype.addQualityChooser=function(){var t,e=this;if(e.qualityMenuKeyboardControls=new b([new g]),e.qualityMenuKeyboardControls.on("close",(function(){return e.controls.$qualityButton.click()})),this.video.getQualities&&(e.qualities=this.video.getQualities(),e.qualities&&void 0!==(null===(t=this.controls)||void 0===t?void 0:t.$qualityButton)&&e.isDisabled(e.controls.$qualityButton))){var o=this.video.getQuality(),n=e.qualities;"YouTube"===this.video.getHandlerName()&&(n=n.filter((function(t){return t.name===o})));for(var i="",s=0;s<n.length;s++){var r=n[s],a=r.name===o;i+='<li role="menuitemradio" data-quality="'.concat(r.name,'" aria-checked="').concat(a,'" aria-describedby="').concat(e.qualityMenuId,'">').concat(r.label,"</li>")}var c=J('<ul role="menu">'.concat(i,"</ul>")).appendTo(this.controls.$qualityChooser);c.children().click((function(){var t=J(this).attr("data-quality");e.updateQuality(t)})).keydown((function(t){if(P(t)){var o=J(this).attr("data-quality");e.updateQuality(o)}t.stopPropagation()})),c.find("li").get().forEach((function(t){e.qualityMenuKeyboardControls.addElement(t);var o="true"===t.getAttribute("aria-checked");tt(t,o)})),e.removeDisabled(this.controls.$qualityButton.add(this.controls.$qualityButtonMinimal))}},Z.prototype.updateQuality=function(t){var e=this;e.video.setQuality(t),"true"===e.controls.$more.attr("aria-expanded")?e.controls.$more.click():(e.controls.$qualityButton.click(),e.controls.$qualityButton.focus())},Z.prototype.addPlaybackRateChooser=function(){var t,e=this,o=this;if(this.playbackRateMenuKeyboardControls=new b([new g]),this.playbackRateMenuKeyboardControls.on("close",(function(){return o.controls.$playbackRateButton.click()})),this.video.getPlaybackRates){var n=this.video.getPlaybackRates();if(!(n.length<2)&&n&&void 0!==(null===(t=this.controls)||void 0===t?void 0:t.$playbackRateButton)&&o.isDisabled(this.controls.$playbackRateButton)){for(var i=this.video.getPlaybackRate(),s="",r=0;r<n.length;r++){var a=n[r],c=a===i;s+='<li role="menuitemradio" playback-rate="'.concat(a,'" aria-checked="').concat(c,'" aria-describedby="').concat(o.playbackRateMenuId,'">').concat(a,"</li>")}var l=J('<ul role="menu">'+s+"</ul>").appendTo(this.controls.$playbackRateChooser);l.children().click((function(){var t=J(this).attr("playback-rate");o.updatePlaybackRate(t)})).keydown((function(t){if(P(t)){var e=J(this).attr("playback-rate");o.updatePlaybackRate(e)}t.stopPropagation()})),l.find("li").get().forEach((function(t){e.playbackRateMenuKeyboardControls.addElement(t);var o="true"===t.getAttribute("aria-checked");tt(t,o)})),o.removeDisabled(this.controls.$playbackRateButton.add(this.controls.$playbackRateButtonMinimal))}}},Z.prototype.updatePlaybackRate=function(t){var e=this;e.video.setPlaybackRate(t),"true"===e.controls.$more.attr("aria-expanded")?e.controls.$more.click():e.controls.$playbackRateButton.click()},Z.prototype.startUpdatingBufferBar=function(){var t=this;if(!t.bufferLoop){!function e(){var o=t.video.getBuffered();o&&t.controls.$buffered&&(t.controls.$buffered.css("width",o+"%"),t.hasStar&&(o>99?t.$starBar.addClass("h5p-star-bar-buffered"):t.$starBar.removeClass("h5p-star-bar-buffered"))),t.bufferLoop=setTimeout(e,500)}()}},Z.prototype.resize=function(){if(this.$container){var t,e,o=this.$container.hasClass("h5p-fullscreen")||this.$container.hasClass("h5p-semi-fullscreen");this.$videoWrapper.css({marginTop:"",marginLeft:"",width:"",height:""}),this.video.trigger("resize");var n=this.justVideo?0:this.$controls.height(),i=this.$container.height();if(o){if((e=this.$videoWrapper.height())+n<=i)this.$videoWrapper.css("marginTop",(i-n-e)/2),t=this.$videoWrapper.width(),void 0!==this.bubbleEndscreen&&this.bubbleEndscreen.fullscreen(!0,i,e);else{var s=i-n;t=s*(this.$videoWrapper.width()/e),this.$videoWrapper.css({marginLeft:(this.$container.width()-t)/2,width:t,height:s}),void 0!==this.bubbleEndscreen&&this.bubbleEndscreen.fullscreen(!0)}this.video.trigger("resize")}else t=this.$container.width(),void 0!==this.bubbleEndscreen&&this.bubbleEndscreen.fullscreen();this.scaledFontSize=t>this.width?this.fontSize*(t/this.width):this.fontSize,this.$container.css("fontSize",this.scaledFontSize+"px"),this.editor||(t<this.width?this.$container.hasClass("h5p-minimal")||this.$container.addClass("h5p-minimal"):this.$container.hasClass("h5p-minimal")&&this.$container.removeClass("h5p-minimal")),this.isMinimal=this.$container.hasClass("h5p-minimal");var r=this.$videoWrapper.height();if(this.controlsCss={bottom:"",maxHeight:r+"px"},o){var a=n;e+n<=i&&(a=n+(i-n-e)/2),this.controlsCss.bottom=a+"px"}this.controls&&this.controls.$minimalOverlay&&this.controls.$minimalOverlay.css(this.controlsCss),this.$container.find(".h5p-chooser").css(this.controlsCss),this.editor?this.editor.dnb&&this.editor.dnb.dnr.setContainerEm(this.scaledFontSize):(this.resizeMobileView(),void 0!==this.$splash&&this.resizeStartScreen()),this.showInteractionsAssistance(),this.bubbleScore&&(this.bubbleScore.update(),this.bubbleEndscreen.update()),this.resizeInteractions()}},Z.prototype.resizeMobileView=function(){if(!isNaN(this.currentState)){if(this.$container.width()/parseInt(this.$container.css("font-size"),10)<30){if(this.resizeInteractions(),!this.isMobileView){if(this.$container.addClass("mobile"),this.isMobileView=!0,this.hasUncompletedRequiredInteractions())J(".h5p-dialog",this.$container).show();else this.restoreTabIndexes(),this.dnb.dialog.closeOverlay();this.recreateCurrentInteractions()}}else if(this.isMobileView){if(this.dnb&&this.dnb.dialog&&!this.hasUncompletedRequiredInteractions())this.dnb.dialog.close(!0),this.$container.find(".h5p-dialog .h5p-image img").css({width:"",height:""});this.$container.removeClass("mobile"),this.isMobileView=!1,this.recreateCurrentInteractions()}}},Z.prototype.resizeInteractions=function(){if(!isNaN(this.currentState)){var t=this;this.interactions.forEach((function(e){e.resizeInteraction(),e.repositionToWrapper(t.$videoWrapper),e.positionLabel(t.$videoWrapper.width())}))}},Z.prototype.recreateCurrentInteractions=function(){void 0!==this.dnb&&this.dnb.blurAll(),this.interactions.forEach((function(t){t.reCreateInteraction()}))},Z.prototype.resizeStartScreen=function(){var t=50,e=!0,o=!0;void 0!==this.startScreenOptions.shortStartDescription&&this.startScreenOptions.shortStartDescription.length||(e=!1,this.startScreenOptions.hideStartTitle&&(o=!1,t=45));var n=J(".h5p-splash-description",this.$splash),i=J(".h5p-splash-title",this.$splash),s=n.clone().css("position","absolute").addClass("minimum-font-size").appendTo(n.parent()),r=i.clone().css("position","absolute").addClass("minimum-font-size").appendTo(i.parent()),a=parseInt(s.css("font-size"),10),c=parseInt(r.css("font-size"),10),l=this.$container.width(),d=parseInt(l/t,10);e||(o&&d<a?d=a:d<10&&(d=10)),l<510?this.$splash.addClass("mobile"):this.$splash.removeClass("mobile"),.8*d<a?n.addClass("minimum-font-size"):n.removeClass("minimum-font-size"),1.5*d<c?i.addClass("minimum-font-size"):i.removeClass("minimum-font-size"),this.$splash.css("font-size",d),s.remove(),r.remove()},Z.prototype.toggleFullScreen=function(){H5P.isFullscreen||this.$container.hasClass("h5p-fullscreen")||this.$container.hasClass("h5p-semi-fullscreen")?void 0!==H5P.exitFullScreen&&void 0!==H5P.fullScreenBrowserPrefix?H5P.exitFullScreen():(void 0===H5P.fullScreenBrowserPrefix?J(".h5p-disable-fullscreen").click():""===H5P.fullScreenBrowserPrefix?window.top.document.exitFullScreen():"ms"===H5P.fullScreenBrowserPrefix?window.top.document.msExitFullscreen():window.top.document[H5P.fullScreenBrowserPrefix+"CancelFullScreen"](),this.trigger("exitFullScreen")):(H5P.fullScreen(this.$container,this),void 0===H5P.exitFullScreen&&this.trigger("enterFullScreen")),this.resizeInteractions()},Z.prototype.timeUpdate=function(t,e){var o=this;o.currentTime=t,t>=0&&(this.maxTimeReached=Math.max(this.maxTimeReached,t),this.setSliderPosition(t)),o.updateInteractions(t),e||(this.timeUpdateTimeout=window.setTimeout((function(){(o.currentState===H5P.Video.PLAYING||o.currentState===H5P.Video.BUFFERING&&o.lastState===H5P.Video.PLAYING)&&o.timeUpdate(o.video.getCurrentTime())}),40))},Z.prototype.setSliderPosition=function(t){try{var e=this.controls.$slider.find(".ui-slider-handle"),o=Z.formatTimeForA11y(t,this.l10n);this.controls.$slider.slider("option","value",t),e.attr("aria-valuetext",o),e.attr("aria-valuenow",t.toString())}catch(t){return}},Z.prototype.updateInteractions=function(t){var e=this,o=Math.floor(10*t)/10;if(o!==e.lastTenth){void 0!==e.bookmarksMap&&void 0!==e.bookmarksMap[o]&&e.bookmarksMap[o].mouseover().mouseout();void 0!==e.endscreensMap&&void 0!==e.endscreensMap[o]&&e.currentState!==Z.SEEKING&&e.getAnsweredTotal()>0&&e.toggleEndscreen(!0)}e.lastTenth=o,e.toggleInteractions(t);var n=Math.floor(t);n!==e.lastSecond&&(e.currentState!==H5P.Video.PLAYING&&e.currentState!==H5P.Video.PAUSED||e.updateCurrentTime(n)),e.lastSecond=n},Z.prototype.updateCurrentTime=function(t){var e;if(null!==(e=this.controls)&&void 0!==e&&e.$currentTime){var o=this;t=Math.max(t,0);var n=Z.humanizeTime(t),i=Z.formatTimeForA11y(t,o.l10n);o.controls.$currentTime.html(n),o.controls.$currentTimeA11y.html("".concat(o.l10n.currentTime," ").concat(i)),o.controls.$currentTimeSimple.html(n),o.controls.$currentTimeA11ySimple.html("".concat(o.l10n.currentTime," ").concat(i))}},Z.prototype.getUsersScore=function(){for(var t=0,e=0;e<this.interactions.length;e++)this.interactions[e].score&&(t+=this.interactions[e].score);return t},Z.prototype.getUsersMaxScore=function(){for(var t=0,e=0;e<this.interactions.length;e++)this.interactions[e].maxScore&&(t+=this.interactions[e].maxScore);return t},Z.prototype.getScore=function(){return this.getUsersScore()},Z.prototype.getMaxScore=function(){return this.getUsersMaxScore()},Z.prototype.showOverlayMask=function(){var t=this;t.$videoWrapper.addClass("h5p-disable-opt-out"),t.disableTabIndexes(),t.dnb.dialog.openOverlay(),t.restorePosterTabIndexes(),t.$container.find(".h5p-dialog-wrapper").click((function(){t.hasUncompletedRequiredInteractions()&&t.showWarningMask()})),t.toggleFocusTrap()},Z.prototype.restorePosterTabIndexes=function(){var t=this;t.$overlay.find(".h5p-interaction.h5p-poster").each((function(){t.restoreTabIndexes(J(this))}))},Z.prototype.disableTabIndexes=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:".h5p-dialog-wrapper",e=this,o=e.$container.find(t);e.$tabbables=e.$container.find("a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]").filter((function(){var t=J(this),e=J.contains(o.get(0),t.get(0));if(t.data("tabindex"))return!0;if(!e){var n=t.attr("tabindex");return t.data("tabindex",n),t.attr("tabindex","-1"),!0}return!1}))},Z.prototype.restoreTabIndexes=function(t){var e=this;e.$tabbables&&(e.$tabbables.each((function(){var e=J(this),o=e.data("tabindex");if(t&&!J.contains(t.get(0),e.get(0)))return!0;e.hasClass("ui-slider-handle")?(e.attr("tabindex",0),e.removeData("tabindex")):void 0!==o?(e.attr("tabindex",o),e.removeData("tabindex")):e.removeAttr("tabindex")})),t||(e.$tabbables=void 0))},Z.prototype.toggleFocusTrap=function(){var t=this,e=this.getVisibleInteractions().filter((function(t){return t.getRequiresCompletion()&&!t.hasFullScore()}));e.length>0?this.$container.off("focusin").on("focusin",(function(o){return t.trapFocusInInteractions(e,J(o.target))})):this.$container.off("focusin","**")},Z.prototype.trapFocusInInteractions=function(t,e){var o=t.some((function(t){var o=t.getElement();return rt(o,e)})),n=!!this.$mask&&rt(this.$mask,e);if(!o&&!n){var i=t[0].getElement();i&&i.focus()}},Z.prototype.hideOverlayMask=function(){var t=this;return 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