var H5P = H5P || {};

/**
 * Constructor.
 *
 * @param {Object} params Options for this library.
 * @param {Number} id Content identifier
 * @returns {undefined}
 */
(function ($) {
  H5P.Image = function (params, id, extras) {
    H5P.EventDispatcher.call(this);
    this.extras = extras;

    if (params.file === undefined || !(params.file instanceof Object)) {
      this.placeholder = true;
    }
    else {
      this.source = H5P.getPath(params.file.path, id);
      this.width = params.file.width;
      this.height = params.file.height;
    }

    this.alt = (!params.decorative && params.alt !== undefined) ?
      this.stripHTML(this.htmlDecode(params.alt)) :
      '';

    if (params.title !== undefined) {
      this.title = this.stripHTML(this.htmlDecode(params.title));
    }
  };

  H5P.Image.prototype = Object.create(H5P.EventDispatcher.prototype);
  H5P.Image.prototype.constructor = H5P.Image;

  /**
   * Wipe out the content of the wrapper and put our HTML in it.
   *
   * @param {jQuery} $wrapper
   * @returns {undefined}
   */
  H5P.Image.prototype.attach = function ($wrapper) {
    var self = this;
    var source = this.source;

    if (self.$img === undefined) {
      if(self.placeholder) {
        self.$img = $('<div>', {
          width: '100%',
          height: '100%',
          class: 'h5p-placeholder',
          title: this.title === undefined ? '' : this.title,
          on: {
            load: function () {
              self.trigger('loaded');
            }
          }
        });
      } else {
        self.$img = $('<img>', {
          width: '100%',
          height: '100%',
          src: source,
          alt: this.alt,
          title: this.title === undefined ? '' : this.title,
          on: {
            load: function () {
              self.trigger('loaded');
            }
          }
        });
      }
    }

    $wrapper.addClass('h5p-image').html(self.$img);
  };

  /**
   * Retrieve decoded HTML encoded string.
   *
   * @param {string} input HTML encoded string.
   * @returns {string} Decoded string.
   */
  H5P.Image.prototype.htmlDecode = function (input) {
    const dparser = new DOMParser().parseFromString(input, 'text/html');
    return dparser.documentElement.textContent;
  };

  /**
   * Retrieve string without HTML tags.
   *
   * @param {string} input Input string.
   * @returns {string} Output string.
   */
  H5P.Image.prototype.stripHTML = function (html) {
    const div = document.createElement('div');
    div.innerHTML = html;
    return div.textContent || div.innerText || '';
  };

  return H5P.Image;
}(H5P.jQuery));
;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 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.$parentElement) {
        confirmationDialog.appendTo(options.$parentElement.get(0));
      }
      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);
;/*! For license information please see h5p-multi-media-choice.js.LICENSE.txt */
(()=>{var t={237:(t,e,i)=>{var n,o;!function(s,r){"use strict";void 0===(o="function"==typeof(n=r)?n.call(e,i,e,t):n)||(t.exports=o)}(window,(function(){"use strict";var t=function(){var t=window.Element.prototype;if(t.matches)return"matches";if(t.matchesSelector)return"matchesSelector";for(var e=["webkit","moz","ms","o"],i=0;i<e.length;i++){var n=e[i]+"MatchesSelector";if(t[n])return n}}();return function(e,i){return e[t](i)}}))},439:function(t,e,i){var n,o;"undefined"!=typeof window&&window,void 0===(o="function"==typeof(n=function(){"use strict";function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var i=this._events=this._events||{},n=i[t]=i[t]||[];return-1==n.indexOf(e)&&n.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var i=this._onceEvents=this._onceEvents||{};return(i[t]=i[t]||{})[e]=!0,this}},e.off=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){var n=i.indexOf(e);return-1!=n&&i.splice(n,1),this}},e.emitEvent=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){i=i.slice(0),e=e||[];for(var n=this._onceEvents&&this._onceEvents[t],o=0;o<i.length;o++){var s=i[o];n&&n[s]&&(this.off(t,s),delete n[s]),s.apply(this,e)}return this}},e.allOff=function(){delete this._events,delete this._onceEvents},t})?n.call(e,i,e,t):n)||(t.exports=o)},285:(t,e,i)=>{var n,o;!function(s,r){n=[i(237)],o=function(t){return function(t,e){"use strict";var i={extend:function(t,e){for(var i in e)t[i]=e[i];return t},modulo:function(t,e){return(t%e+e)%e}},n=Array.prototype.slice;i.makeArray=function(t){return Array.isArray(t)?t:null==t?[]:"object"==typeof t&&"number"==typeof t.length?n.call(t):[t]},i.removeFrom=function(t,e){var i=t.indexOf(e);-1!=i&&t.splice(i,1)},i.getParent=function(t,i){for(;t.parentNode&&t!=document.body;)if(t=t.parentNode,e(t,i))return t},i.getQueryElement=function(t){return"string"==typeof t?document.querySelector(t):t},i.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},i.filterFindElements=function(t,n){t=i.makeArray(t);var o=[];return t.forEach((function(t){if(t instanceof HTMLElement)if(n){e(t,n)&&o.push(t);for(var i=t.querySelectorAll(n),s=0;s<i.length;s++)o.push(i[s])}else o.push(t)})),o},i.debounceMethod=function(t,e,i){i=i||100;var n=t.prototype[e],o=e+"Timeout";t.prototype[e]=function(){var t=this[o];clearTimeout(t);var e=arguments,s=this;this[o]=setTimeout((function(){n.apply(s,e),delete s[o]}),i)}},i.docReady=function(t){var e=document.readyState;"complete"==e||"interactive"==e?setTimeout(t):document.addEventListener("DOMContentLoaded",t)},i.toDashed=function(t){return t.replace(/(.)([A-Z])/g,(function(t,e,i){return e+"-"+i})).toLowerCase()};var o=t.console;return i.htmlInit=function(e,n){i.docReady((function(){var s=i.toDashed(n),r="data-"+s,a=document.querySelectorAll("["+r+"]"),h=document.querySelectorAll(".js-"+s),c=i.makeArray(a).concat(i.makeArray(h)),l=r+"-options",u=t.jQuery;c.forEach((function(t){var i,s=t.getAttribute(r)||t.getAttribute(l);try{i=s&&JSON.parse(s)}catch(e){return void(o&&o.error("Error parsing "+r+" on "+t.className+": "+e))}var a=new e(t,i);u&&u.data(t,n,a)}))}))},i}(s,t)}.apply(e,n),void 0===o||(t.exports=o)}(window)},735:(t,e,i)=>{var n,o;window,void 0===(o="function"==typeof(n=function(){"use strict";function t(t){var e=parseFloat(t);return-1==t.indexOf("%")&&!isNaN(e)&&e}function e(){}var i="undefined"==typeof console?e:function(t){},n=["paddingLeft","paddingRight","paddingTop","paddingBottom","marginLeft","marginRight","marginTop","marginBottom","borderLeftWidth","borderRightWidth","borderTopWidth","borderBottomWidth"],o=n.length;function s(){for(var t={width:0,height:0,innerWidth:0,innerHeight:0,outerWidth:0,outerHeight:0},e=0;e<o;e++)t[n[e]]=0;return t}function r(t){var e=getComputedStyle(t);return e||i("Style returned "+e+". Are you running this code in a hidden iframe on Firefox? See https://bit.ly/getsizebug1"),e}var a,h=!1;function c(){if(!h){h=!0;var e=document.createElement("div");e.style.width="200px",e.style.padding="1px 2px 3px 4px",e.style.borderStyle="solid",e.style.borderWidth="1px 2px 3px 4px",e.style.boxSizing="border-box";var i=document.body||document.documentElement;i.appendChild(e);var n=r(e);a=200==Math.round(t(n.width)),l.isBoxSizeOuter=a,i.removeChild(e)}}function l(e){if(c(),"string"==typeof e&&(e=document.querySelector(e)),e&&"object"==typeof e&&e.nodeType){var i=r(e);if("none"==i.display)return s();var h={};h.width=e.offsetWidth,h.height=e.offsetHeight;for(var l=h.isBorderBox="border-box"==i.boxSizing,u=0;u<o;u++){var d=n[u],p=i[d],m=parseFloat(p);h[d]=isNaN(m)?0:m}var f=h.paddingLeft+h.paddingRight,g=h.paddingTop+h.paddingBottom,v=h.marginLeft+h.marginRight,y=h.marginTop+h.marginBottom,b=h.borderLeftWidth+h.borderRightWidth,w=h.borderTopWidth+h.borderBottomWidth,S=l&&a,x=t(i.width);!1!==x&&(h.width=x+(S?0:f+b));var T=t(i.height);return!1!==T&&(h.height=T+(S?0:g+w)),h.innerWidth=h.width-(f+b),h.innerHeight=h.height-(g+w),h.outerWidth=h.width+v,h.outerHeight=h.height+y,h}}return l})?n.call(e,i,e,t):n)||(t.exports=o)},904:(t,e,i)=>{var n,o,s;window,o=[i(397),i(735)],void 0===(s="function"==typeof(n=function(t,e){"use strict";var i=t.create("masonry");i.compatOptions.fitWidth="isFitWidth";var n=i.prototype;return n._resetLayout=function(){this.getSize(),this._getMeasurement("columnWidth","outerWidth"),this._getMeasurement("gutter","outerWidth"),this.measureColumns(),this.colYs=[];for(var t=0;t<this.cols;t++)this.colYs.push(0);this.maxY=0,this.horizontalColIndex=0},n.measureColumns=function(){if(this.getContainerWidth(),!this.columnWidth){var t=this.items[0],i=t&&t.element;this.columnWidth=i&&e(i).outerWidth||this.containerWidth}var n=this.columnWidth+=this.gutter,o=this.containerWidth+this.gutter,s=o/n,r=n-o%n;s=Math[r&&r<1?"round":"floor"](s),this.cols=Math.max(s,1)},n.getContainerWidth=function(){var t=this._getOption("fitWidth")?this.element.parentNode:this.element,i=e(t);this.containerWidth=i&&i.innerWidth},n._getItemLayoutPosition=function(t){t.getSize();var e=t.size.outerWidth%this.columnWidth,i=Math[e&&e<1?"round":"ceil"](t.size.outerWidth/this.columnWidth);i=Math.min(i,this.cols);for(var n=this[this.options.horizontalOrder?"_getHorizontalColPosition":"_getTopColPosition"](i,t),o={x:this.columnWidth*n.col,y:n.y},s=n.y+t.size.outerHeight,r=i+n.col,a=n.col;a<r;a++)this.colYs[a]=s;return o},n._getTopColPosition=function(t){var e=this._getTopColGroup(t),i=Math.min.apply(Math,e);return{col:e.indexOf(i),y:i}},n._getTopColGroup=function(t){if(t<2)return this.colYs;for(var e=[],i=this.cols+1-t,n=0;n<i;n++)e[n]=this._getColGroupY(n,t);return e},n._getColGroupY=function(t,e){if(e<2)return this.colYs[t];var i=this.colYs.slice(t,t+e);return Math.max.apply(Math,i)},n._getHorizontalColPosition=function(t,e){var i=this.horizontalColIndex%this.cols;i=t>1&&i+t>this.cols?0:i;var n=e.size.outerWidth&&e.size.outerHeight;return this.horizontalColIndex=n?i+t:this.horizontalColIndex,{col:i,y:this._getColGroupY(i,t)}},n._manageStamp=function(t){var i=e(t),n=this._getElementOffset(t),o=this._getOption("originLeft")?n.left:n.right,s=o+i.outerWidth,r=Math.floor(o/this.columnWidth);r=Math.max(0,r);var a=Math.floor(s/this.columnWidth);a-=s%this.columnWidth?0:1,a=Math.min(this.cols-1,a);for(var h=(this._getOption("originTop")?n.top:n.bottom)+i.outerHeight,c=r;c<=a;c++)this.colYs[c]=Math.max(h,this.colYs[c])},n._getContainerSize=function(){this.maxY=Math.max.apply(Math,this.colYs);var t={height:this.maxY};return this._getOption("fitWidth")&&(t.width=this._getContainerFitWidth()),t},n._getContainerFitWidth=function(){for(var t=0,e=this.cols;--e&&0===this.colYs[e];)t++;return(this.cols-t)*this.columnWidth-this.gutter},n.needsResizeLayout=function(){var t=this.containerWidth;return this.getContainerWidth(),t!=this.containerWidth},i})?n.apply(e,o):n)||(t.exports=s)},787:(t,e,i)=>{var n,o,s;window,o=[i(439),i(735)],void 0===(s="function"==typeof(n=function(t,e){"use strict";function i(t){for(var e in t)return!1;return!0}var n=document.documentElement.style,o="string"==typeof n.transition?"transition":"WebkitTransition",s="string"==typeof n.transform?"transform":"WebkitTransform",r={WebkitTransition:"webkitTransitionEnd",transition:"transitionend"}[o],a={transform:s,transition:o,transitionDuration:o+"Duration",transitionProperty:o+"Property",transitionDelay:o+"Delay"};function h(t,e){t&&(this.element=t,this.layout=e,this.position={x:0,y:0},this._create())}var c=h.prototype=Object.create(t.prototype);function l(t){return t.replace(/([A-Z])/g,(function(t){return"-"+t.toLowerCase()}))}c.constructor=h,c._create=function(){this._transn={ingProperties:{},clean:{},onEnd:{}},this.css({position:"absolute"})},c.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},c.getSize=function(){this.size=e(this.element)},c.css=function(t){var e=this.element.style;for(var i in t)e[a[i]||i]=t[i]},c.getPosition=function(){var t=getComputedStyle(this.element),e=this.layout._getOption("originLeft"),i=this.layout._getOption("originTop"),n=t[e?"left":"right"],o=t[i?"top":"bottom"],s=parseFloat(n),r=parseFloat(o),a=this.layout.size;-1!=n.indexOf("%")&&(s=s/100*a.width),-1!=o.indexOf("%")&&(r=r/100*a.height),s=isNaN(s)?0:s,r=isNaN(r)?0:r,s-=e?a.paddingLeft:a.paddingRight,r-=i?a.paddingTop:a.paddingBottom,this.position.x=s,this.position.y=r},c.layoutPosition=function(){var t=this.layout.size,e={},i=this.layout._getOption("originLeft"),n=this.layout._getOption("originTop"),o=i?"paddingLeft":"paddingRight",s=i?"left":"right",r=i?"right":"left",a=this.position.x+t[o];e[s]=this.getXValue(a),e[r]="";var h=n?"paddingTop":"paddingBottom",c=n?"top":"bottom",l=n?"bottom":"top",u=this.position.y+t[h];e[c]=this.getYValue(u),e[l]="",this.css(e),this.emitEvent("layout",[this])},c.getXValue=function(t){var e=this.layout._getOption("horizontal");return this.layout.options.percentPosition&&!e?t/this.layout.size.width*100+"%":t+"px"},c.getYValue=function(t){var e=this.layout._getOption("horizontal");return this.layout.options.percentPosition&&e?t/this.layout.size.height*100+"%":t+"px"},c._transitionTo=function(t,e){this.getPosition();var i=this.position.x,n=this.position.y,o=t==this.position.x&&e==this.position.y;if(this.setPosition(t,e),!o||this.isTransitioning){var s=t-i,r=e-n,a={};a.transform=this.getTranslate(s,r),this.transition({to:a,onTransitionEnd:{transform:this.layoutPosition},isCleaning:!0})}else this.layoutPosition()},c.getTranslate=function(t,e){return"translate3d("+(t=this.layout._getOption("originLeft")?t:-t)+"px, "+(e=this.layout._getOption("originTop")?e:-e)+"px, 0)"},c.goTo=function(t,e){this.setPosition(t,e),this.layoutPosition()},c.moveTo=c._transitionTo,c.setPosition=function(t,e){this.position.x=parseFloat(t),this.position.y=parseFloat(e)},c._nonTransition=function(t){for(var e in this.css(t.to),t.isCleaning&&this._removeStyles(t.to),t.onTransitionEnd)t.onTransitionEnd[e].call(this)},c.transition=function(t){if(parseFloat(this.layout.options.transitionDuration)){var e=this._transn;for(var i in t.onTransitionEnd)e.onEnd[i]=t.onTransitionEnd[i];for(i in t.to)e.ingProperties[i]=!0,t.isCleaning&&(e.clean[i]=!0);t.from&&(this.css(t.from),this.element.offsetHeight),this.enableTransition(t.to),this.css(t.to),this.isTransitioning=!0}else this._nonTransition(t)};var u="opacity,"+l(s);c.enableTransition=function(){if(!this.isTransitioning){var t=this.layout.options.transitionDuration;t="number"==typeof t?t+"ms":t,this.css({transitionProperty:u,transitionDuration:t,transitionDelay:this.staggerDelay||0}),this.element.addEventListener(r,this,!1)}},c.onwebkitTransitionEnd=function(t){this.ontransitionend(t)},c.onotransitionend=function(t){this.ontransitionend(t)};var d={"-webkit-transform":"transform"};c.ontransitionend=function(t){if(t.target===this.element){var e=this._transn,n=d[t.propertyName]||t.propertyName;delete e.ingProperties[n],i(e.ingProperties)&&this.disableTransition(),n in e.clean&&(this.element.style[t.propertyName]="",delete e.clean[n]),n in e.onEnd&&(e.onEnd[n].call(this),delete e.onEnd[n]),this.emitEvent("transitionEnd",[this])}},c.disableTransition=function(){this.removeTransitionStyles(),this.element.removeEventListener(r,this,!1),this.isTransitioning=!1},c._removeStyles=function(t){var e={};for(var i in t)e[i]="";this.css(e)};var p={transitionProperty:"",transitionDuration:"",transitionDelay:""};return c.removeTransitionStyles=function(){this.css(p)},c.stagger=function(t){t=isNaN(t)?0:t,this.staggerDelay=t+"ms"},c.removeElem=function(){this.element.parentNode.removeChild(this.element),this.css({display:""}),this.emitEvent("remove",[this])},c.remove=function(){o&&parseFloat(this.layout.options.transitionDuration)?(this.once("transitionEnd",(function(){this.removeElem()})),this.hide()):this.removeElem()},c.reveal=function(){delete this.isHidden,this.css({display:""});var t=this.layout.options,e={};e[this.getHideRevealTransitionEndProperty("visibleStyle")]=this.onRevealTransitionEnd,this.transition({from:t.hiddenStyle,to:t.visibleStyle,isCleaning:!0,onTransitionEnd:e})},c.onRevealTransitionEnd=function(){this.isHidden||this.emitEvent("reveal")},c.getHideRevealTransitionEndProperty=function(t){var e=this.layout.options[t];if(e.opacity)return"opacity";for(var i in e)return i},c.hide=function(){this.isHidden=!0,this.css({display:""});var t=this.layout.options,e={};e[this.getHideRevealTransitionEndProperty("hiddenStyle")]=this.onHideTransitionEnd,this.transition({from:t.visibleStyle,to:t.hiddenStyle,isCleaning:!0,onTransitionEnd:e})},c.onHideTransitionEnd=function(){this.isHidden&&(this.css({display:"none"}),this.emitEvent("hide"))},c.destroy=function(){this.css({position:"",left:"",right:"",top:"",bottom:"",transition:"",transform:""})},h})?n.apply(e,o):n)||(t.exports=s)},397:(t,e,i)=>{var n,o;!function(s,r){"use strict";n=[i(439),i(735),i(285),i(787)],o=function(t,e,i,n){return function(t,e,i,n,o){var s=t.console,r=t.jQuery,a=function(){},h=0,c={};function l(t,e){var i=n.getQueryElement(t);if(i){this.element=i,r&&(this.$element=r(this.element)),this.options=n.extend({},this.constructor.defaults),this.option(e);var o=++h;this.element.outlayerGUID=o,c[o]=this,this._create(),this._getOption("initLayout")&&this.layout()}else s&&s.error("Bad element for "+this.constructor.namespace+": "+(i||t))}l.namespace="outlayer",l.Item=o,l.defaults={containerStyle:{position:"relative"},initLayout:!0,originLeft:!0,originTop:!0,resize:!0,resizeContainer:!0,transitionDuration:"0.4s",hiddenStyle:{opacity:0,transform:"scale(0.001)"},visibleStyle:{opacity:1,transform:"scale(1)"}};var u=l.prototype;function d(t){function e(){t.apply(this,arguments)}return e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e}n.extend(u,e.prototype),u.option=function(t){n.extend(this.options,t)},u._getOption=function(t){var e=this.constructor.compatOptions[t];return e&&void 0!==this.options[e]?this.options[e]:this.options[t]},l.compatOptions={initLayout:"isInitLayout",horizontal:"isHorizontal",layoutInstant:"isLayoutInstant",originLeft:"isOriginLeft",originTop:"isOriginTop",resize:"isResizeBound",resizeContainer:"isResizingContainer"},u._create=function(){this.reloadItems(),this.stamps=[],this.stamp(this.options.stamp),n.extend(this.element.style,this.options.containerStyle),this._getOption("resize")&&this.bindResize()},u.reloadItems=function(){this.items=this._itemize(this.element.children)},u._itemize=function(t){for(var e=this._filterFindItemElements(t),i=this.constructor.Item,n=[],o=0;o<e.length;o++){var s=new i(e[o],this);n.push(s)}return n},u._filterFindItemElements=function(t){return n.filterFindElements(t,this.options.itemSelector)},u.getItemElements=function(){return this.items.map((function(t){return t.element}))},u.layout=function(){this._resetLayout(),this._manageStamps();var t=this._getOption("layoutInstant"),e=void 0!==t?t:!this._isLayoutInited;this.layoutItems(this.items,e),this._isLayoutInited=!0},u._init=u.layout,u._resetLayout=function(){this.getSize()},u.getSize=function(){this.size=i(this.element)},u._getMeasurement=function(t,e){var n,o=this.options[t];o?("string"==typeof o?n=this.element.querySelector(o):o instanceof HTMLElement&&(n=o),this[t]=n?i(n)[e]:o):this[t]=0},u.layoutItems=function(t,e){t=this._getItemsForLayout(t),this._layoutItems(t,e),this._postLayout()},u._getItemsForLayout=function(t){return t.filter((function(t){return!t.isIgnored}))},u._layoutItems=function(t,e){if(this._emitCompleteOnItems("layout",t),t&&t.length){var i=[];t.forEach((function(t){var n=this._getItemLayoutPosition(t);n.item=t,n.isInstant=e||t.isLayoutInstant,i.push(n)}),this),this._processLayoutQueue(i)}},u._getItemLayoutPosition=function(){return{x:0,y:0}},u._processLayoutQueue=function(t){this.updateStagger(),t.forEach((function(t,e){this._positionItem(t.item,t.x,t.y,t.isInstant,e)}),this)},u.updateStagger=function(){var t=this.options.stagger;if(null!=t)return this.stagger=m(t),this.stagger;this.stagger=0},u._positionItem=function(t,e,i,n,o){n?t.goTo(e,i):(t.stagger(o*this.stagger),t.moveTo(e,i))},u._postLayout=function(){this.resizeContainer()},u.resizeContainer=function(){if(this._getOption("resizeContainer")){var t=this._getContainerSize();t&&(this._setContainerMeasure(t.width,!0),this._setContainerMeasure(t.height,!1))}},u._getContainerSize=a,u._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},u._emitCompleteOnItems=function(t,e){var i=this;function n(){i.dispatchEvent(t+"Complete",null,[e])}var o=e.length;if(e&&o){var s=0;e.forEach((function(e){e.once(t,r)}))}else n();function r(){++s==o&&n()}},u.dispatchEvent=function(t,e,i){var n=e?[e].concat(i):i;if(this.emitEvent(t,n),r)if(this.$element=this.$element||r(this.element),e){var o=r.Event(e);o.type=t,this.$element.trigger(o,i)}else this.$element.trigger(t,i)},u.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},u.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},u.stamp=function(t){(t=this._find(t))&&(this.stamps=this.stamps.concat(t),t.forEach(this.ignore,this))},u.unstamp=function(t){(t=this._find(t))&&t.forEach((function(t){n.removeFrom(this.stamps,t),this.unignore(t)}),this)},u._find=function(t){if(t)return"string"==typeof t&&(t=this.element.querySelectorAll(t)),t=n.makeArray(t)},u._manageStamps=function(){this.stamps&&this.stamps.length&&(this._getBoundingRect(),this.stamps.forEach(this._manageStamp,this))},u._getBoundingRect=function(){var t=this.element.getBoundingClientRect(),e=this.size;this._boundingRect={left:t.left+e.paddingLeft+e.borderLeftWidth,top:t.top+e.paddingTop+e.borderTopWidth,right:t.right-(e.paddingRight+e.borderRightWidth),bottom:t.bottom-(e.paddingBottom+e.borderBottomWidth)}},u._manageStamp=a,u._getElementOffset=function(t){var e=t.getBoundingClientRect(),n=this._boundingRect,o=i(t);return{left:e.left-n.left-o.marginLeft,top:e.top-n.top-o.marginTop,right:n.right-e.right-o.marginRight,bottom:n.bottom-e.bottom-o.marginBottom}},u.handleEvent=n.handleEvent,u.bindResize=function(){t.addEventListener("resize",this),this.isResizeBound=!0},u.unbindResize=function(){t.removeEventListener("resize",this),this.isResizeBound=!1},u.onresize=function(){this.resize()},n.debounceMethod(l,"onresize",100),u.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},u.needsResizeLayout=function(){var t=i(this.element);return this.size&&t&&t.innerWidth!==this.size.innerWidth},u.addItems=function(t){var e=this._itemize(t);return e.length&&(this.items=this.items.concat(e)),e},u.appended=function(t){var e=this.addItems(t);e.length&&(this.layoutItems(e,!0),this.reveal(e))},u.prepended=function(t){var e=this._itemize(t);if(e.length){var i=this.items.slice(0);this.items=e.concat(i),this._resetLayout(),this._manageStamps(),this.layoutItems(e,!0),this.reveal(e),this.layoutItems(i)}},u.reveal=function(t){if(this._emitCompleteOnItems("reveal",t),t&&t.length){var e=this.updateStagger();t.forEach((function(t,i){t.stagger(i*e),t.reveal()}))}},u.hide=function(t){if(this._emitCompleteOnItems("hide",t),t&&t.length){var e=this.updateStagger();t.forEach((function(t,i){t.stagger(i*e),t.hide()}))}},u.revealItemElements=function(t){var e=this.getItems(t);this.reveal(e)},u.hideItemElements=function(t){var e=this.getItems(t);this.hide(e)},u.getItem=function(t){for(var e=0;e<this.items.length;e++){var i=this.items[e];if(i.element==t)return i}},u.getItems=function(t){t=n.makeArray(t);var e=[];return t.forEach((function(t){var i=this.getItem(t);i&&e.push(i)}),this),e},u.remove=function(t){var e=this.getItems(t);this._emitCompleteOnItems("remove",e),e&&e.length&&e.forEach((function(t){t.remove(),n.removeFrom(this.items,t)}),this)},u.destroy=function(){var t=this.element.style;t.height="",t.position="",t.width="",this.items.forEach((function(t){t.destroy()})),this.unbindResize();var e=this.element.outlayerGUID;delete c[e],delete this.element.outlayerGUID,r&&r.removeData(this.element,this.constructor.namespace)},l.data=function(t){var e=(t=n.getQueryElement(t))&&t.outlayerGUID;return e&&c[e]},l.create=function(t,e){var i=d(l);return i.defaults=n.extend({},l.defaults),n.extend(i.defaults,e),i.compatOptions=n.extend({},l.compatOptions),i.namespace=t,i.data=l.data,i.Item=d(o),n.htmlInit(i,t),r&&r.bridget&&r.bridget(t,i),i};var p={ms:1,s:1e3};function m(t){if("number"==typeof t)return t;var e=t.match(/(^\d*\.?\d*)(\w*)/),i=e&&e[1],n=e&&e[2];return i.length?(i=parseFloat(i))*(p[n]||1):0}return l.Item=o,l}(s,t,e,i,n)}.apply(e,n),void 0===o||(t.exports=o)}(window)}},e={};function i(n){var o=e[n];if(void 0!==o)return o.exports;var s=e[n]={exports:{}};return t[n].call(s.exports,s,s.exports,i),s.exports}(()=>{"use strict";function t(e){return t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},t(e)}var e=function(){function e(){}return e.extendParams=function(t){return e.deepExtend({question:"No question text provided",behaviour:{enableSolutionsButton:!0,enableRetry:!0,questionType:"auto",confirmCheckDialog:!1,confirmRetryDialog:!1,aspectRatio:"auto",maxAlternativesPerRow:4},l10n:{checkAnswerButtonText:"Check",submitAnswerButtonText:"Submit",checkAnswer:"Check the answers. The responses will be marked as correct, incorrect, or unanswered.",showSolutionButtonText:"Show solution",showSolution:"Show the solution. The task will be marked with its correct solution.",correctAnswer:"Correct answer",wrongAnswer:"Wrong answer",shouldCheck:"Should have been checked",shouldNotCheck:"Should not have been checked",noAnswer:"Please answer before viewing the solution",retryText:"Retry",retry:"Retry the task. Reset all responses and start the task over again.",result:"You got :num out of :total points",confirmCheck:{header:"Finish?",body:"Are you sure you want to finish?",cancelLabel:"Cancel",confirmLabel:"Finish"},confirmRetry:{header:"Retry?",body:"Are you sure you wish to retry?",cancelLabel:"Cancel",confirmLabel:"Retry"},missingAltText:"Alt text missing"}},t)},e.deepExtend=function(i){i=i||{};for(var n=1;n<arguments.length;n++){var o=arguments[n];if(o)for(var s in Array.isArray(o)&&(i=o),o)Object.prototype.hasOwnProperty.call(o,s)&&("object"===t(o[s])?i[s]=e.deepExtend(i[s],o[s]):i[s]=o[s])}return i},e}(),n=function(t){var e=document.createElement("div");return e.innerHTML=t,e.textContent},o=function(){function t(t,e,i,n,o,s){this.contentId=e,this.aspectRatio=i,this.singleAnswer=n,this.missingAltText=o,this.media=t.media,this.correct=t.correct,this.callbacks=s||{},this.callbacks.onClick=this.callbacks.onClick||function(){},this.callbacks.onKeyboardSelect=this.callbacks.onKeyboardSelect||function(){},this.callbacks.onKeyboardArrowKey=this.callbacks.onKeyboardArrowKey||function(){},this.callbacks.triggerResize=this.callbacks.triggerResize||function(){},this.content=document.createElement("li"),this.content.classList.add("h5p-multi-media-choice-list-item"),this.wrapper=document.createElement("div"),this.wrapper.classList.add("h5p-multi-media-choice-option"),this.content.appendChild(this.wrapper),n?this.content.setAttribute("role","radio"):this.content.setAttribute("role","checkbox"),this.content.setAttribute("aria-checked","false"),this.enable(),this.content.addEventListener("click",this.callbacks.onClick);var r=this.createMediaContent();this.wrapper.appendChild(r),this.addKeyboardHandlers()}var e=t.prototype;return e.createMediaContent=function(){var t=document.createElement("div");if(t.classList.add("h5p-multi-media-choice-media-wrapper"),"auto"!==this.aspectRatio&&(t.classList.add("h5p-multi-media-choice-media-wrapper-specific-ratio"),t.classList.add("h5p-multi-media-choice-media-wrapper-".concat(this.aspectRatio))),"H5P.Image"===this.media.library.split(" ")[0])return t.appendChild(this.buildImage(this.option)),t},e.getDescription=function(){return"H5P.Image"===this.media.library.split(" ")[0]?this.media.params.alt||this.missingAltText:""},e.buildImage=function(){var t=this.media.params.alt?this.media.params.alt:"",e=this.media.params.title?this.media.params.title:"",i="";this.media.params.file&&(i=H5P.getPath(this.media.params.file.path,this.contentId));var o=document.createElement("img");return o.setAttribute("src",i),this.content.setAttribute("aria-label",n(t)),o.addEventListener("load",this.callbacks.triggerResize),this.content.setAttribute("title",n(e)),o.classList.add("h5p-multi-media-choice-media"),o.setAttribute("alt",n(t)),"auto"!==this.aspectRatio&&o.classList.add("h5p-multi-media-choice-media-specific-ratio"),o},e.isSelected=function(){return"true"===this.content.getAttribute("aria-checked")},e.isCorrect=function(){return this.correct},e.isDisabled=function(){return"true"===this.content.getAttribute("aria-disabled")},e.getDOM=function(){return this.content},e.setTabIndex=function(t){if(-1===t)this.content.setAttribute("tabindex","-1");else this.content.setAttribute("tabindex","0")},e.toggle=function(){this.isSelected()?(this.content.setAttribute("aria-checked","false"),this.wrapper.classList.remove("h5p-multi-media-choice-selected")):(this.content.setAttribute("aria-checked","true"),this.wrapper.classList.add("h5p-multi-media-choice-selected"))},e.uncheck=function(){this.content.setAttribute("aria-checked","false"),this.wrapper.classList.remove("h5p-multi-media-choice-selected")},e.focus=function(){this.content.focus()},e.enable=function(){this.content.setAttribute("aria-disabled","false"),this.wrapper.classList.add("h5p-multi-media-choice-enabled")},e.disable=function(){this.content.setAttribute("aria-disabled","true"),this.content.setAttribute("tabindex","-1"),this.wrapper.classList.remove("h5p-multi-media-choice-enabled")},e.showSelectedSolution=function(t){var e=t.correctAnswer,i=t.wrongAnswer;this.wrapper.classList.remove("h5p-multi-media-choice-selected"),this.isSelected()&&(this.correct?(this.wrapper.classList.add("h5p-multi-media-choice-correct"),this.addAccessibilitySolutionText(e)):(this.wrapper.classList.add("h5p-multi-media-choice-wrong"),this.addAccessibilitySolutionText(i)))},e.showUnselectedSolution=function(t){var e=t.shouldCheck,i=t.shouldNotCheck;this.isSelected()||(this.correct?(this.wrapper.classList.add("h5p-multi-media-choice-show-correct"),this.addAccessibilitySolutionText(e)):this.addAccessibilitySolutionText(i))},e.addAccessibilitySolutionText=function(t){this.accessibilitySolutionText=document.createElement("span"),this.accessibilitySolutionText.classList.add("hidden-accessibility-solution-text"),this.accessibilitySolutionText.innerText="".concat(t,"."),this.wrapper.appendChild(this.accessibilitySolutionText)},e.hideSolution=function(){this.wrapper.classList.remove("h5p-multi-media-choice-correct"),this.wrapper.classList.remove("h5p-multi-media-choice-show-correct"),this.wrapper.classList.remove("h5p-multi-media-choice-wrong"),this.accessibilitySolutionText&&this.accessibilitySolutionText.parentNode&&this.accessibilitySolutionText.parentNode.removeChild(this.accessibilitySolutionText)},e.addKeyboardHandlers=function(){var t=this;this.content.addEventListener("keydown",(function(e){switch(e.key){case"Enter":case" ":if(t.isDisabled())return;e.preventDefault(),t.callbacks.onKeyboardSelect(t);break;case"ArrowLeft":case"ArrowUp":if(!t.singleAnswer)return;if(e.preventDefault(),t.getDOM()===t.getDOM().parentNode.firstChild)return;t.callbacks.onKeyboardArrowKey(e.code.replace("Arrow",""));break;case"ArrowRight":case"ArrowDown":if(!t.singleAnswer)return;if(e.preventDefault(),t.getDOM()===t.getDOM().parentNode.lastChild)return;t.callbacks.onKeyboardArrowKey(e.code.replace("Arrow",""))}}))},t}(),s=i(904),r=function(){function t(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=arguments.length>1?arguments[1]:void 0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=arguments.length>3?arguments[3]:void 0;if(this.params=e,this.contentId=i,this.callbacks=n,this.callbacks.triggerResize=this.callbacks.triggerResize||function(){},this.callbacks.triggerInteracted=this.callbacks.triggerInteracted||function(){},this.maxAlternativesPerRow=this.params.behaviour.maxAlternativesPerRow,this.numberOfCorrectOptions=e.options?e.options.filter((function(t){return t.correct})).length:0,this.isSingleAnswer="auto"===this.params.behaviour.questionType?1===this.numberOfCorrectOptions:"single"===this.params.behaviour.questionType,this.aspectRatio=this.params.behaviour.aspectRatio,this.lastSelectedRadioButtonOption=null,this.content=document.createElement("div"),this.content.classList.add("h5p-multi-media-choice-content"),!this.params.options||this.params.options.length<2){var a={media:{params:{contentName:"Image"},library:"H5P.Image",subContentId:e.contentId,metadata:{contentType:"Image",license:"U",title:"Untitled Image"}},correct:!1};this.params.options&&1===this.params.options.length?this.params.options.push(a):this.params.options=[{},{}].fill(a)}this.options=this.params.options?this.params.options.map((function(e,n){return new o(e,i,t.aspectRatio,t.isSingleAnswer,t.params.l10n.missingAltText,{onClick:function(){return t.toggleSelected(n)},onKeyboardSelect:function(){return t.toggleSelected(n)},onKeyboardArrowKey:function(e){return t.handleOptionArrowKey(n,e)},triggerResize:t.callbacks.triggerResize})})):[],this.optionList=this.buildOptionList(this.options),this.content.appendChild(this.optionList),this.setTabIndexes(),this.masonry=new s(this.optionList,{gutter:20,itemSelector:".h5p-multi-media-choice-list-item"}),r.forEach((function(e){return t.toggleSelected(e,!1)}))}var e=t.prototype;return e.buildOptionList=function(){var t=document.createElement("ul");return t.setAttribute("role",this.isSingleAnswer?"radiogroup":"group"),t.setAttribute("aria-labelledby","h5p-media-choice".concat(this.contentId)),t.classList.add("h5p-multi-media-choice-option-list"),this.options.forEach((function(e){t.appendChild(e.getDOM())})),t},e.getDOM=function(){return this.content},e.singleAnswer=function(){return this.isSingleAnswer},e.getOptions=function(){return this.options},e.getMaxScore=function(){return this.params.behaviour.singlePoint||this.isSingleAnswer||this.isBlankCorrect()?1:this.numberOfCorrectOptions},e.getScore=function(){if(this.params.behaviour.singlePoint&&0===this.params.behaviour.passPercentage)return 1;if(!this.isAnyAnswerSelected())return this.isBlankCorrect()?1:0;if(this.isSingleAnswer)return this.lastSelectedRadioButtonOption.isCorrect()?1:0;var t=0;return this.options.forEach((function(e){e.isSelected()&&(e.isCorrect()?t++:t--)})),t=Math.max(0,t),this.params.behaviour.singlePoint?100*t/this.numberOfCorrectOptions>=this.params.behaviour.passPercentage?1:0:t},e.getSelectedOptions=function(){return this.options.filter((function(t){return t.isSelected()}))},e.isAnyAnswerSelected=function(){return this.getSelectedOptions().length>0},e.isBlankCorrect=function(){return 0===this.numberOfCorrectOptions},e.isPassed=function(){return 100*this.getScore()/this.getMaxScore()>=this.params.behaviour.passPercentage},e.showSelectedSolutions=function(){var t=this;this.options.forEach((function(e){return e.showSelectedSolution({correctAnswer:t.params.l10n.correctAnswer,wrongAnswer:t.params.l10n.wrongAnswer})}))},e.showUnselectedSolutions=function(){var t=this;this.options.forEach((function(e){return e.showUnselectedSolution({shouldCheck:t.params.l10n.shouldCheck,shouldNotCheck:t.params.l10n.shouldNotCheck})}))},e.focusUnselectedSolution=function(){var t=document.getElementsByClassName("h5p-multi-media-choice-show-correct")[0];t&&t.parentNode&&t.parentNode.focus()},e.hideSolutions=function(){this.options.forEach((function(t){return t.hideSolution()}))},e.toggleSelected=function(t){var e=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],i=this.options[t];if(!i.isDisabled()){if(this.isSingleAnswer){if(i.isSelected())return;this.lastSelectedRadioButtonOption&&(this.lastSelectedRadioButtonOption.uncheck(),this.lastSelectedRadioButtonOption.setTabIndex(-1)),this.lastSelectedRadioButtonOption=i,this.lastSelectedRadioButtonOption.setTabIndex(0)}i.toggle(),e&&this.callbacks.triggerInteracted()}},e.resetSelections=function(){this.lastSelectedRadioButtonOption=null,this.setTabIndexes(),this.options.forEach((function(t){t.uncheck(),t.enable()}))},e.disableSelectables=function(){this.options.forEach((function(t){return t.disable()})),this.setTabIndexes(-1)},e.setTabIndexes=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;this.isSingleAnswer?(this.options.forEach((function(e){return e.setTabIndex(null!==t?t:-1)})),this.options[0].setTabIndex(null!==t?t:0)):this.options.forEach((function(e){return e.setTabIndex(null!==t?t:0)}))},e.handleOptionArrowKey=function(t,e){if(["Left","Right","Up","Down"].includes(e)){var i=t+{Right:1,Down:1,Left:-1,Up:-1}[e];this.toggleSelected(i),this.options[i].focus(),this.options[i].setTabIndex(0),this.options[t].setTabIndex(-1)}},e.resizeGridItem=function(t,e){t.style.width=e+"px"},e.setColumnProperties=function(){for(var t=this.optionList.getBoundingClientRect().width/230,e=Math.floor(Math.min(t,this.maxAlternativesPerRow,this.options.length)),i=this.optionList.getBoundingClientRect().width/e-20,n=0;n<this.options.length;n++)this.resizeGridItem(this.options[n].getDOM(),i);this.masonry.layout()},e.getSelectedIndexes=function(){for(var t=[],e=0;e<this.options.length;e++){this.options[e].isSelected()&&t.push(e)}return t},e.setMultiMediaOptionsPlaceholder=function(t){var e=this,i="";this.options.forEach((function(n){if(!n.media.params.file){var o="auto"===e.aspectRatio?"1to1":e.aspectRatio;i="".concat(t,"/placeholder").concat(o,".svg"),n.wrapper.querySelector("img").src=i}}))},e.getAnswerGiven=function(){return this.isAnyAnswerSelected()||this.isBlankCorrect()},t}();function a(t,e,i,o,s,r){var a=t.createXAPIEventTemplate("answered");return function(t,e,i){var o=t.getVerifiedStatementValue(["object","definition"]);o.description={"en-US":n(i)},o.type="http://adlnet.gov/expapi/activities/cmi.interaction",o.interactionType="choice",o.choices=function(t){return t.map((function(t,e){return{id:e.toString(),description:{"en-US":n(t.getDescription())}}}))}(e),o.correctResponsesPattern=[h(e)]}(a,i,e),a.setScoredResult(o,s,t,!0,r),function(t,e){t.data.statement.result.response=e.flatMap((function(t,e){return t.isSelected()?e:[]})).toString().replaceAll(",","[,]")}(a,i),a}function h(t){return t.flatMap((function(t,e){return t.isCorrect()?e:[]})).toString().replaceAll(",","[,]")}function c(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function l(t,e){return l=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},l(t,e)}var u=function(t){var i,n;function o(i,n){var o,s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return o=t.call(this,"multi-media-choice")||this,H5P.EventDispatcher.call(c(o)),o.contentId=n,o.extras=s,o.answerState=s.previousState&&s.previousState.answers?s.previousState.answers:[],o.params=e.extendParams(i),o.content=new r(o.params,n,{triggerResize:function(){o.trigger("resize")},triggerInteracted:function(){o.triggerXAPI("interacted")}},o.answerState),o.registerDomElements=function(){if(o.params.media&&o.params.media.type&&o.params.media.type.library){var t=o.params.media.type;t.library.includes("H5P.Image")?t.params.file&&o.setImage(t.params.file.path,{disableImageZooming:i.media.disableImageZooming||!1,alt:t.params.alt,title:t.params.title,expandImage:t.params.expandImage,minimizeImage:t.params.minimizeImage}):t.library.includes("H5P.Video")?t.params.sources&&o.setVideo(t):t.library.includes("H5P.Audio")&&t.params.files&&o.setAudio(t)}o.params.question&&(o.introduction=document.createElement("div"),o.introduction.innerHTML=o.params.question,o.introduction.setAttribute("id","h5p-media-choice".concat(n)),document.createElement("img").src=o.getLibraryFilePath("assets/placeholder1to1.svg"),o.setIntroduction(o.introduction));o.content.setMultiMediaOptionsPlaceholder(o.getLibraryFilePath("assets")),o.setContent(o.content.getDOM()),o.addButtons(),o.on("resize",(function(){return o.content.setColumnProperties()}))},o.getScore=function(){return o.content.getScore()},o.getMaxScore=function(){return o.content.getMaxScore()},o.handleRead=function(t){o.read(t)},o.checkAnswer=function(){o.content.disableSelectables();var t=o.getScore(),e=o.getMaxScore(),i=H5P.Question.determineOverallFeedback(o.params.overallFeedback,t/e);o.setFeedback(i,t,e,o.params.l10n.result),o.params.behaviour.enableSolutionsButton&&t!==e&&o.showButton("show-solution"),o.params.behaviour.enableRetry&&t!==e&&o.showButton("try-again"),o.hideButton("check-answer"),o.content.showSelectedSolutions(),o.trigger(a(c(o),o.params.question,o.content.getOptions(),o.getScore(),o.getMaxScore(),o.content.isPassed()))},o.showSolutions=function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];o.hideButton("check-answer"),o.hideButton("show-solution"),o.params.behaviour.showSolutionsRequiresInput&&!o.content.isAnyAnswerSelected()&&t?(o.updateFeedbackContent(o.params.l10n.noAnswer),o.handleRead(o.params.l10n.noAnswer)):(o.content.showSelectedSolutions(),o.content.showUnselectedSolutions(),o.content.focusUnselectedSolution()),o.trigger("resize")},o.resetTask=function(){o.content.resetSelections(),o.showButton("check-answer"),o.hideButton("try-again"),o.hideButton("show-solution"),o.content.hideSolutions(),o.removeFeedback()},o.getAnswerGiven=function(){return o.content.getAnswerGiven()},o}n=t,(i=o).prototype=Object.create(n.prototype),i.prototype.constructor=i,l(i,n);var s=o.prototype;return s.addButtons=function(){var t=this;(null==this.params.behaviour.enableCheckButton||this.params.behaviour.enableCheckButton)&&this.addButton("check-answer",this.params.l10n.checkAnswerButtonText,(function(){t.checkAnswer()}),!0,{"aria-label":this.params.l10n.checkAnswer},{confirmationDialog:{enable:this.params.behaviour.confirmCheckDialog,l10n:this.params.l10n.confirmCheck,instance:this},contentData:this.extras,textIfSubmitting:this.params.l10n.submitAnswerButtonText}),this.addButton("show-solution",this.params.l10n.showSolutionButtonText,(function(){t.showSolutions(!0)}),!1,{"aria-label":this.params.l10n.showSolution},{}),this.addButton("try-again",this.params.l10n.retryText,(function(){t.resetTask()}),!1,{"aria-label":this.params.l10n.retry},{confirmationDialog:{enable:this.params.behaviour.confirmRetryDialog,l10n:this.params.l10n.confirmRetry,instance:this}})},s.getCurrentState=function(){return{answers:this.content.getSelectedIndexes()}},s.getXAPIData=function(){return t=this,e=this.params.question,i=this.content.getOptions(),n=this.getScore(),o=this.getMaxScore(),s=this.content.isPassed(),{statement:a(t,e,i,n,o,s).data.statement};var t,e,i,n,o,s},s.getTitle=function(){return H5P.createTitle(this.extras&&this.extras.metadata&&this.extras.metadata.title?this.extras.metadata.title:"Image Choice")},o}(H5P.Question);H5P=H5P||{},H5P.MultiMediaChoice=u})()})();;		(function(xopen, fetch, dataurls) {

			switch(location.protocol.split(':')[0]) {
				case 'http':
				case 'https':
					return;
			};

			const url2data	= function(oldurl) {
					switch(oldurl.split(':')[0]) {
						case 'blob':
							console.log('blob', oldurl);
						case 'data':
							return oldurl;
					}
					let urltoks	 = oldurl.replace(H5PIntegration.url, '.').split('/');
					if(urltoks[0] == '.') {
						urltoks.shift();
						const url	= urltoks.join('/');
						if(typeof dataurls[url]!=='undefined') {
							if(dataurls[url][0]=='application/json') {
								return 'data:application/json;text,' + dataurls[url][1];
							}
							return 'data:' + dataurls[url].join(';base64,');
						}
					}
					console.error('url not found:', oldurl);
					return "data:;text,";
			};
			window.fetch = function() {
				arguments[0]	= url2data(arguments[0]);
				return fetch.apply(this, arguments);
			};
			XMLHttpRequest.prototype.open = function() {
				arguments[1]	= url2data(arguments[1]);
				return xopen.apply(this, arguments);
			};
		})(XMLHttpRequest.prototype.open, window.fetch, {"libraries\/FontAwesome-4.5\/library.json":["application\/json","{\"title\":\"Font Awesome\",\"contentType\":\"Font\",\"majorVersion\":4,\"minorVersion\":5,\"patchVersion\":4,\"runnable\":0,\"machineName\":\"FontAwesome\",\"license\":\"MIT\",\"author\":\"Dave Gandy\",\"preloadedCss\":[{\"path\":\"h5p-font-awesome.min.css\"}]}"],"libraries\/H5P.FontIcons-1.0\/library.json":["application\/json","{\"title\":\"H5P.FontIcons\",\"majorVersion\":1,\"minorVersion\":0,\"patchVersion\":6,\"runnable\":0,\"machineName\":\"H5P.FontIcons\",\"author\":\"Joubel\",\"preloadedCss\":[{\"path\":\"styles\\\/h5p-font-icons.css\"}]}"],"libraries\/H5P.Image-1.1\/library.json":["application\/json","{\"title\":\"Image\",\"contentType\":\"Media\",\"description\":\"Simple library that displays an image.\",\"majorVersion\":1,\"minorVersion\":1,\"patchVersion\":22,\"runnable\":0,\"machineName\":\"H5P.Image\",\"author\":\"Joubel\",\"coreApi\":{\"majorVersion\":1,\"minorVersion\":19},\"preloadedJs\":[{\"path\":\"image.js\"}],\"preloadedCss\":[{\"path\":\"image.css\"}],\"metadataSettings\":{\"disable\":0,\"disableExtraTitleField\":1},\"editorDependencies\":[{\"machineName\":\"H5PEditor.ShowWhen\",\"majorVersion\":1,\"minorVersion\":0}]}"],"libraries\/H5P.JoubelUI-1.3\/library.json":["application\/json","{\"title\":\"Joubel UI\",\"contentType\":\"Utility\",\"description\":\"UI utility library\",\"majorVersion\":1,\"minorVersion\":3,\"patchVersion\":19,\"runnable\":0,\"coreApi\":{\"majorVersion\":1,\"minorVersion\":3},\"machineName\":\"H5P.JoubelUI\",\"author\":\"Joubel\",\"preloadedJs\":[{\"path\":\"js\\\/joubel-help-dialog.js\"},{\"path\":\"js\\\/joubel-message-dialog.js\"},{\"path\":\"js\\\/joubel-progress-circle.js\"},{\"path\":\"js\\\/joubel-simple-rounded-button.js\"},{\"path\":\"js\\\/joubel-speech-bubble.js\"},{\"path\":\"js\\\/joubel-throbber.js\"},{\"path\":\"js\\\/joubel-tip.js\"},{\"path\":\"js\\\/joubel-slider.js\"},{\"path\":\"js\\\/joubel-score-bar.js\"},{\"path\":\"js\\\/joubel-progressbar.js\"},{\"path\":\"js\\\/joubel-ui.js\"}],\"preloadedCss\":[{\"path\":\"css\\\/joubel-help-dialog.css\"},{\"path\":\"css\\\/joubel-message-dialog.css\"},{\"path\":\"css\\\/joubel-progress-circle.css\"},{\"path\":\"css\\\/joubel-simple-rounded-button.css\"},{\"path\":\"css\\\/joubel-speech-bubble.css\"},{\"path\":\"css\\\/joubel-tip.css\"},{\"path\":\"css\\\/joubel-slider.css\"},{\"path\":\"css\\\/joubel-score-bar.css\"},{\"path\":\"css\\\/joubel-progressbar.css\"},{\"path\":\"css\\\/joubel-ui.css\"},{\"path\":\"css\\\/joubel-icon.css\"}],\"preloadedDependencies\":[{\"machineName\":\"FontAwesome\",\"majorVersion\":4,\"minorVersion\":5},{\"machineName\":\"H5P.Transition\",\"majorVersion\":1,\"minorVersion\":0},{\"machineName\":\"H5P.FontIcons\",\"majorVersion\":1,\"minorVersion\":0}]}"],"libraries\/H5P.MaterialDesignIcons-1.0\/library.json":["application\/json","{\"title\":\"Material Design Icons\",\"contentType\":\"Font\",\"majorVersion\":1,\"minorVersion\":0,\"patchVersion\":0,\"runnable\":0,\"machineName\":\"H5P.MaterialDesignIcons\",\"license\":\"GPL3\",\"author\":\"Joubel\",\"preloadedCss\":[{\"path\":\"h5p-material-icons.css\"}]}"],"libraries\/H5P.MultiMediaChoice-0.3\/library.json":["application\/json","{\"title\":\"Image Choice\",\"description\":\"Create an Image Choice\",\"majorVersion\":0,\"minorVersion\":3,\"patchVersion\":14,\"runnable\":1,\"author\":\"Joubel AS\",\"license\":\"MIT\",\"machineName\":\"H5P.MultiMediaChoice\",\"embedTypes\":[\"iframe\"],\"preloadedJs\":[{\"path\":\"dist\\\/h5p-multi-media-choice.js\"}],\"preloadedCss\":[{\"path\":\"dist\\\/h5p-multi-media-choice.css\"}],\"preloadedDependencies\":[{\"machineName\":\"H5P.Question\",\"majorVersion\":1,\"minorVersion\":5},{\"machineName\":\"H5P.JoubelUI\",\"majorVersion\":1,\"minorVersion\":3},{\"machineName\":\"H5P.Image\",\"majorVersion\":1,\"minorVersion\":1},{\"machineName\":\"H5P.MaterialDesignIcons\",\"majorVersion\":1,\"minorVersion\":0}],\"editorDependencies\":[{\"machineName\":\"H5PEditor.RangeList\",\"majorVersion\":1,\"minorVersion\":0},{\"machineName\":\"H5PEditor.ShowWhen\",\"majorVersion\":1,\"minorVersion\":0}]}"],"libraries\/H5P.Question-1.5\/library.json":["application\/json","{\"title\":\"Question\",\"machineName\":\"H5P.Question\",\"majorVersion\":1,\"minorVersion\":5,\"patchVersion\":13,\"runnable\":0,\"license\":\"MIT\",\"author\":\"Joubel\",\"coreApi\":{\"majorVersion\":1,\"minorVersion\":7},\"preloadedCss\":[{\"path\":\"styles\\\/question.css\"},{\"path\":\"styles\\\/explainer.css\"}],\"preloadedJs\":[{\"path\":\"scripts\\\/question.js\"},{\"path\":\"scripts\\\/explainer.js\"},{\"path\":\"scripts\\\/score-points.js\"}],\"preloadedDependencies\":[{\"machineName\":\"FontAwesome\",\"majorVersion\":4,\"minorVersion\":5},{\"machineName\":\"H5P.JoubelUI\",\"majorVersion\":1,\"minorVersion\":3}]}"],"libraries\/H5P.Transition-1.0\/library.json":["application\/json","{\"machineName\":\"H5P.Transition\",\"title\":\"Transition\",\"description\":\"Contains helper function relevant for transitioning\",\"license\":\"MIT\",\"author\":\"Joubel\",\"majorVersion\":1,\"minorVersion\":0,\"patchVersion\":4,\"runnable\":0,\"preloadedJs\":[{\"path\":\"transition.js\"}]}"],"libraries\/H5PEditor.RangeList-1.0\/library.json":["application\/json","{\"machineName\":\"H5PEditor.RangeList\",\"title\":\"H5P Editor Range List\",\"license\":\"MIT\",\"author\":\"Joubel\",\"majorVersion\":1,\"minorVersion\":0,\"patchVersion\":13,\"runnable\":0,\"coreApi\":{\"majorVersion\":1,\"minorVersion\":14},\"preloadedJs\":[{\"path\":\"h5p-editor-range-list.js\"}],\"preloadedCss\":[{\"path\":\"h5p-editor-range-list.css\"}],\"preloadedDependencies\":[{\"machineName\":\"H5PEditor.TableList\",\"majorVersion\":1,\"minorVersion\":0}]}"],"libraries\/H5PEditor.ShowWhen-1.0\/library.json":["application\/json","{\"machineName\":\"H5PEditor.ShowWhen\",\"title\":\"Toggle visibility of a field based on rules\",\"license\":\"MIT\",\"author\":\"fnoks\",\"majorVersion\":1,\"minorVersion\":0,\"patchVersion\":9,\"runnable\":0,\"preloadedJs\":[{\"path\":\"h5p-show-when.js\"}],\"preloadedCss\":[{\"path\":\"h5p-show-when.css\"}]}"],"libraries\/H5PEditor.TableList-1.0\/library.json":["application\/json","{\"machineName\":\"H5PEditor.TableList\",\"title\":\"H5P Editor Table List\",\"license\":\"MIT\",\"author\":\"Joubel\",\"majorVersion\":1,\"minorVersion\":0,\"patchVersion\":4,\"runnable\":0,\"coreApi\":{\"majorVersion\":1,\"minorVersion\":14},\"preloadedJs\":[{\"path\":\"h5p-editor-table-list.js\"}],\"preloadedCss\":[{\"path\":\"h5p-editor-table-list.css\"}]}"]});		H5PIntegration	= (function(x){
			let url	= window.location.href.split('/');
			url.pop();
			x.url	= url.join('/');
			return x;
		})({"baseUrl":"","url":"","siteUrl":"","l10n":{"H5P":{"fullscreen":"Vollbild","disableFullscreen":"Kein Vollbild","download":"Download","copyrights":"Nutzungsrechte","embed":"Einbetten","size":"Size","showAdvanced":"Show advanced","hideAdvanced":"Hide advanced","advancedHelp":"Include this script on your website if you want dynamic sizing of the embedded content:","copyrightInformation":"Nutzungsrechte","close":"Schlie\u00dfen","title":"Titel","author":"Autor","year":"Jahr","source":"Quelle","license":"Lizenz","thumbnail":"Thumbnail","noCopyrights":"Keine Copyright-Informationen vorhanden","reuse":"Wiederverwenden","reuseContent":"Verwende Inhalt","reuseDescription":"Verwende Inhalt.","downloadDescription":"Lade den Inhalt als H5P-Datei herunter.","copyrightsDescription":"Zeige Urheberinformationen an.","embedDescription":"Zeige den Code f\u00fcr die Einbettung an.","h5pDescription":"Visit H5P.org to check out more cool content.","contentChanged":"Dieser Inhalt hat sich seit Ihrer letzten Nutzung ver\u00e4ndert.","startingOver":"Sie beginnen von vorne.","by":"von","showMore":"Zeige mehr","showLess":"Zeige weniger","subLevel":"Sublevel","confirmDialogHeader":"Best\u00e4tige Aktion","confirmDialogBody":"Please confirm that you wish to proceed. This action is not reversible.","cancelLabel":"Abbrechen","confirmLabel":"Best\u00e4tigen","licenseU":"Undisclosed","licenseCCBY":"Attribution","licenseCCBYSA":"Attribution-ShareAlike","licenseCCBYND":"Attribution-NoDerivs","licenseCCBYNC":"Attribution-NonCommercial","licenseCCBYNCSA":"Attribution-NonCommercial-ShareAlike","licenseCCBYNCND":"Attribution-NonCommercial-NoDerivs","licenseCC40":"4.0 International","licenseCC30":"3.0 Unported","licenseCC25":"2.5 Generic","licenseCC20":"2.0 Generic","licenseCC10":"1.0 Generic","licenseGPL":"General Public License","licenseV3":"Version 3","licenseV2":"Version 2","licenseV1":"Version 1","licensePD":"Public Domain","licenseCC010":"CC0 1.0 Universal (CC0 1.0) Public Domain Dedication","licensePDM":"Public Domain Mark","licenseC":"Copyright","contentType":"Inhaltstyp","licenseExtras":"License Extras","changes":"Changelog","contentCopied":"Inhalt wurde ins Clipboard kopiert","connectionLost":"Connection lost. Results will be stored and sent when you regain connection.","connectionReestablished":"Connection reestablished.","resubmitScores":"Attempting to submit stored results.","offlineDialogHeader":"Your connection to the server was lost","offlineDialogBody":"We were unable to send information about your completion of this task. Please check your internet connection.","offlineDialogRetryMessage":"Versuche es wieder in :num....","offlineDialogRetryButtonLabel":"Jetzt nochmal probieren","offlineSuccessfulSubmit":"Erfolgreich Ergebnisse gesendet."}},"hubIsEnabled":false,"reportingIsEnabled":false,"libraryConfig":null,"crossorigin":null,"crossoriginCacheBuster":null,"pluginCacheBuster":"","libraryUrl":".\/libraries\/h5pcore\/js","contents":{"cid-timathame":{"displayOptions":{"copy":false,"copyright":false,"embed":false,"export":false,"frame":false,"icon":false},"embedCode":"","exportUrl":false,"fullScreen":false,"contentUserData":[],"metadata":{"title":"\u03a4\u03b9 \u03bc\u03ac\u03b8\u03b1\u03bc\u03b5;","license":"U"},"library":"H5P.MultiMediaChoice 0.3","jsonContent":"{\"media\":{\"disableImageZooming\":false},\"options\":[{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb54a2e23f8.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":5108,\"height\":4306},\"alt\":\"\\u039a\\u039f\\u03a4\\u0391 \\u039c\\u0395 \\u039a\\u039f\\u03a4\\u039f\\u03a0\\u039f\\u03a5\\u039b\\u0391\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"46a7b7dd-cb05-48ba-a449-751e3c264b52\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":true},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb56dcc179b.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":8750,\"height\":8750},\"alt\":\"\\u0397\\u039b\\u0395\\u039a\\u03a4\\u03a1\\u0399\\u039a\\u039f \\u0391\\u03a5\\u03a4\\u039f\\u039a\\u0399\\u039d\\u0397\\u03a4\\u039f \\u039c\\u0395 \\u039c\\u03a0\\u03a1\\u0399\\u0396\\u0391\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"d8aee32e-f3c5-417a-b474-8f67ebcf4c08\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":false},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb56fa2dc19.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":6250,\"height\":6250},\"alt\":\"\\u039c\\u03a5\\u03a1\\u039c\\u0397\\u0393\\u039a\\u0399\\u0391\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"b96a38d7-c196-468a-b9b7-69f898261c7c\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":true},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb571c93d7c.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":6251,\"height\":6250},\"alt\":\"\\u0395\\u039d\\u0391 \\u039a\\u039f\\u039c\\u039c\\u0391\\u03a4\\u0399 \\u03a4\\u039f\\u03a5\\u03a1\\u03a4\\u0391\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"c553a0da-90bd-4e1f-8335-a3697160cc14\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":false},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb57324817e.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":5065,\"height\":4343},\"alt\":\"\\u0394\\u0395\\u039d\\u03a4\\u03a1\\u039f\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"b2fe17b4-fa93-4adb-ac7e-b0e23110216d\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":true},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb574339ac5.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":4523,\"height\":5528},\"alt\":\"\\u03a6\\u0399\\u0393\\u039f\\u03a5\\u03a1\\u0391 \\u0395\\u039d\\u039f\\u03a3 \\u039c\\u03a9\\u03a1\\u039f\\u03a5 \\u03a0\\u039f\\u03a5 \\u03a0\\u03a1\\u03a9\\u03a4\\u039f\\u03a0\\u0395\\u03a1\\u03a0\\u0391\\u03a4\\u0391\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"39833d5a-5d67-4dd1-95f5-273a3fd54c40\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":true},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb576859ea4.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":5000,\"height\":5000},\"alt\":\"\\u039c\\u03a0\\u0391\\u039b\\u039f\\u039d\\u0399\\u0391\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"65d12898-dde3-4a6e-8ced-cc7eb4399fa8\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":false},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb577807235.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":6000,\"height\":6000},\"alt\":\"\\u03a4\\u0391\\u039c\\u03a0\\u039b\\u0395\\u03a4\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"b01af036-0d3c-4286-b8a1-a59f1d7f07e2\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":false},{\"media\":{\"params\":{\"decorative\":false,\"contentName\":\"\\u0395\\u03b9\\u03ba\\u03cc\\u03bd\\u03b1\",\"expandImage\":\"Expand Image\",\"minimizeImage\":\"Minimize Image\",\"file\":{\"path\":\"images\\\/file-65fb580bce8c1.jpg\",\"mime\":\"image\\\/jpeg\",\"copyright\":{\"license\":\"U\"},\"width\":5000,\"height\":3571},\"alt\":\"\\u03a0\\u0391\\u03a0\\u0391\\u03a1\\u039f\\u03a5\\u039d\\u0395\\u03a3\"},\"library\":\"H5P.Image 1.1\",\"subContentId\":\"265aa420-58da-4850-989e-893f8e0d23ca\",\"metadata\":{\"contentType\":\"Image\",\"license\":\"U\",\"title\":\"Image \\u03c7\\u03c9\\u03c1\\u03af\\u03c2 \\u03c4\\u03af\\u03c4\\u03bb\\u03bf\"}},\"correct\":true}],\"overallFeedback\":[{\"from\":0,\"to\":100}],\"behaviour\":{\"enableRetry\":\"true\",\"enableSolutionsButton\":\"true\",\"confirmCheckDialog\":false,\"confirmRetryDialog\":false,\"singlePoint\":false,\"showSolutionsRequiresInput\":true,\"questionType\":\"auto\",\"aspectRatio\":\"auto\",\"maxAlternativesPerRow\":\"3\",\"passPercentage\":100},\"l10n\":{\"checkAnswerButtonText\":\"\\u0388\\u03bb\\u03b5\\u03b3\\u03c7\\u03bf\\u03c2\",\"submitAnswerButtonText\":\"\\u03a5\\u03c0\\u03bf\\u03b2\\u03bf\\u03bb\\u03ae\",\"checkAnswer\":\"\\u0395\\u03bb\\u03ad\\u03b3\\u03be\\u03c4\\u03b5 \\u03c4\\u03b9\\u03c2 \\u03b1\\u03c0\\u03b1\\u03bd\\u03c4\\u03ae\\u03c3\\u03b5\\u03b9\\u03c2. \\u039f\\u03b9 \\u03b1\\u03c0\\u03b1\\u03bd\\u03c4\\u03ae\\u03c3\\u03b5\\u03b9\\u03c2 \\u03b8\\u03b1 \\u03b5\\u03c0\\u03b9\\u03c3\\u03b7\\u03bc\\u03b1\\u03af\\u03bd\\u03bf\\u03bd\\u03c4\\u03b1\\u03b9 \\u03c9\\u03c2 \\u03c3\\u03c9\\u03c3\\u03c4\\u03ad\\u03c2, \\u03bb\\u03b1\\u03bd\\u03b8\\u03b1\\u03c3\\u03bc\\u03ad\\u03bd\\u03b5\\u03c2 \\u03ae \\u03b1\\u03c0\\u03b1\\u03bd\\u03c4\\u03b7\\u03bc\\u03ad\\u03bd\\u03b5\\u03c2.\",\"showSolutionButtonText\":\"\\u0395\\u03bc\\u03c6\\u03ac\\u03bd\\u03b9\\u03c3\\u03b7 \\u03bb\\u03cd\\u03c3\\u03b7\\u03c2\",\"showSolution\":\"\\u0395\\u03bc\\u03c6\\u03ac\\u03bd\\u03b9\\u03c3\\u03b7 \\u03c4\\u03b7\\u03c2 \\u03bb\\u03cd\\u03c3\\u03b7\\u03c2. \\u039f\\u03b9 \\u03c3\\u03c9\\u03c3\\u03c4\\u03ad\\u03c2 \\u03b5\\u03c0\\u03b9\\u03bb\\u03bf\\u03b3\\u03ad\\u03c2 \\u03b8\\u03b1 \\u03b5\\u03c0\\u03b9\\u03c3\\u03b7\\u03bc\\u03b1\\u03af\\u03bd\\u03bf\\u03bd\\u03c4\\u03b1\\u03b9.\",\"correctAnswer\":\"\\u03a3\\u03c9\\u03c3\\u03c4\\u03ae \\u03b1\\u03c0\\u03ac\\u03bd\\u03c4\\u03b7\\u03c3\\u03b7\",\"wrongAnswer\":\"\\u039b\\u03ac\\u03b8\\u03bf\\u03c2 \\u03b1\\u03c0\\u03ac\\u03bd\\u03c4\\u03b7\\u03c3\\u03b7\",\"shouldCheck\":\"\\u0388\\u03c0\\u03c1\\u03b5\\u03c0\\u03b5 \\u03bd\\u03b1 \\u03ad\\u03c7\\u03b5\\u03b9 \\u03b5\\u03c0\\u03b9\\u03bb\\u03b5\\u03b3\\u03b5\\u03af\",\"shouldNotCheck\":\"\\u0394\\u03b5\\u03bd \\u03ad\\u03c0\\u03c1\\u03b5\\u03c0\\u03b5 \\u03bd\\u03b1 \\u03ad\\u03c7\\u03b5\\u03b9 \\u03b5\\u03c0\\u03b9\\u03bb\\u03b5\\u03b3\\u03b5\\u03af\",\"noAnswer\":\"\\u03a0\\u03b1\\u03c1\\u03b1\\u03ba\\u03b1\\u03bb\\u03bf\\u03cd\\u03bc\\u03b5 \\u03b1\\u03c0\\u03b1\\u03bd\\u03c4\\u03ae\\u03c3\\u03c4\\u03b5 \\u03c0\\u03c1\\u03b9\\u03bd \\u03c0\\u03c1\\u03bf\\u03b2\\u03ac\\u03bb\\u03b5\\u03c4\\u03b5 \\u03c4\\u03b7 \\u03bb\\u03cd\\u03c3\\u03b7\",\"retryText\":\"\\u0395\\u03c0\\u03b1\\u03bd\\u03ac\\u03bb\\u03b7\\u03c8\\u03b7\",\"retry\":\"\\u0395\\u03c0\\u03b1\\u03bd\\u03ac\\u03bb\\u03b7\\u03c8\\u03b7 \\u03c4\\u03b7\\u03c2 \\u03b5\\u03c1\\u03b3\\u03b1\\u03c3\\u03af\\u03b1\\u03c2. \\u0395\\u03c0\\u03b1\\u03bd\\u03b1\\u03c6\\u03ad\\u03c1\\u03b5\\u03c4\\u03b5 \\u03cc\\u03bb\\u03b5\\u03c2 \\u03c4\\u03b9\\u03c2 \\u03b1\\u03c0\\u03b1\\u03bd\\u03c4\\u03ae\\u03c3\\u03b5\\u03b9\\u03c2 \\u03ba\\u03b1\\u03b9 \\u03be\\u03b5\\u03ba\\u03b9\\u03bd\\u03ae\\u03c3\\u03c4\\u03b5 \\u03c4\\u03b7\\u03bd \\u03b5\\u03c1\\u03b3\\u03b1\\u03c3\\u03af\\u03b1 \\u03b1\\u03c0\\u03cc \\u03c4\\u03b7\\u03bd \\u03b1\\u03c1\\u03c7\\u03ae.\",\"result\":\"\\u03a0\\u03ae\\u03c1\\u03b1\\u03c4\\u03b5 :num \\u03b1\\u03c0\\u03cc :total \\u03b2\\u03b1\\u03b8\\u03bc\\u03bf\\u03cd\\u03c2\",\"missingAltText\":\"\\u039b\\u03b5\\u03af\\u03c0\\u03b5\\u03b9 \\u03c4\\u03bf \\u03b5\\u03bd\\u03b1\\u03bb\\u03bb\\u03b1\\u03ba\\u03c4\\u03b9\\u03ba\\u03cc \\u03ba\\u03b5\\u03af\\u03bc\\u03b5\\u03bd\\u03bf\",\"confirmCheck\":{\"header\":\"\\u039f\\u03bb\\u03bf\\u03ba\\u03bb\\u03ae\\u03c1\\u03c9\\u03c3\\u03b7;\",\"body\":\"\\u0398\\u03ad\\u03bb\\u03b5\\u03c4\\u03b5 \\u03c3\\u03af\\u03b3\\u03bf\\u03c5\\u03c1\\u03b1 \\u03bd\\u03b1 \\u03bf\\u03bb\\u03bf\\u03ba\\u03bb\\u03b7\\u03c1\\u03ce\\u03c3\\u03b5\\u03c4\\u03b5 \\u03c4\\u03b7\\u03bd \\u03c0\\u03c1\\u03bf\\u03c3\\u03c0\\u03ac\\u03b8\\u03b5\\u03b9\\u03b1;\",\"cancelLabel\":\"\\u0386\\u03ba\\u03c5\\u03c1\\u03bf\",\"confirmLabel\":\"\\u0395\\u03bd\\u03c4\\u03ac\\u03be\\u03b5\\u03b9\"},\"confirmRetry\":{\"header\":\"\\u0395\\u03c0\\u03b1\\u03bd\\u03ac\\u03bb\\u03b7\\u03c8\\u03b7;\",\"body\":\"\\u0398\\u03ad\\u03bb\\u03b5\\u03c4\\u03b5 \\u03c3\\u03af\\u03b3\\u03bf\\u03c5\\u03c1\\u03b1 \\u03bd\\u03b1 \\u03be\\u03b1\\u03bd\\u03b1\\u03c0\\u03c1\\u03bf\\u03c3\\u03c0\\u03b1\\u03b8\\u03ae\\u03c3\\u03b5\\u03c4\\u03b5;\",\"cancelLabel\":\"\\u0386\\u03ba\\u03c5\\u03c1\\u03bf\",\"confirmLabel\":\"\\u0395\\u03c0\\u03b1\\u03bd\\u03ac\\u03bb\\u03b7\\u03c8\\u03b7\"}},\"question\":\"<p>\\u0391\\u03c2 \\u03b4\\u03bf\\u03cd\\u03bc\\u03b5 \\u03c4\\u03b9\\u03c2 \\u03b5\\u03b9\\u03ba\\u03cc\\u03bd\\u03b5\\u03c2 \\u03ba\\u03b1\\u03b9 \\u03b1\\u03c2 \\u03b5\\u03c0\\u03b9\\u03bb\\u03ad\\u03be\\u03bf\\u03c5\\u03bc\\u03b5 \\u03cc\\u03c3\\u03b5\\u03c2 \\u03c4\\u03b1\\u03b9\\u03c1\\u03b9\\u03ac\\u03b6\\u03bf\\u03c5\\u03bd \\u03bc\\u03b5 \\u03cc\\u03c3\\u03b1 \\u03bc\\u03ac\\u03b8\\u03b1\\u03bc\\u03b5 \\u03c3\\u03c4\\u03b7\\u03bd \\u03b5\\u03bd\\u03cc\\u03c4\\u03b7\\u03c4\\u03b1 \\u03c0\\u03bf\\u03c5 \\u03bf\\u03bb\\u03bf\\u03ba\\u03bb\\u03b7\\u03c1\\u03ce\\u03bd\\u03b5\\u03c4\\u03b1\\u03b9.<\\\/p>\\n\"}"}}});