var H5P = H5P || {}; /** * Will render a Question with multiple choices for answers. * * Events provided: * - h5pQuestionSetFinished: Triggered when a question is finished. (User presses Finish-button) * * @param {Array} options * @param {int} contentId * @param {Object} contentData * @returns {H5P.QuestionSet} Instance */ H5P.QuestionSet = function (options, contentId, contentData) { if (!(this instanceof H5P.QuestionSet)) { return new H5P.QuestionSet(options, contentId, contentData); } H5P.EventDispatcher.call(this); var $ = H5P.jQuery; var self = this; this.contentId = contentId; var texttemplate = '<% if (introPage.showIntroPage) { %>' + '
' + ' <% if (introPage.title) { %>' + '
<%= introPage.title %>
' + ' <% } %>' + ' <% if (introPage.introduction) { %>' + '
<%= introPage.introduction %>
' + ' <% } %>' + '
<%= introPage.startButtonText %>
' + '
' + '<% } %>' + '
' + '
' + ' <% for (var i=0; i' + '
' + ' <% } %>' + ' ' + '
' + ''; var resulttemplate = '
' + '
<%= message %>
' + '
' + ' ' + ' ' + '
' + ' <% if (comment) { %>' + '
<%= comment %>
' + ' <% } %>' + ' <% if (resulttext) { %>' + '
<%= resulttext %>
' + ' <% } %>' + '
' + ' ' + ' ' + ' ' + '
' + '
'; var defaults = { initialQuestion: 0, progressType: 'dots', passPercentage: 50, questions: [], introPage: { showIntroPage: false, title: '', introduction: '', startButtonText: 'Start' }, texts: { prevButton: 'Previous question', nextButton: 'Next question', finishButton: 'Finish', textualProgress: 'Question: @current of @total questions', jumpToQuestion: 'Question %d of %total', questionLabel: 'Question', readSpeakerProgress: 'Question @current of @total', unansweredText: 'Unanswered', answeredText: 'Answered', currentQuestionText: 'Current question' }, endGame: { showResultPage: true, noResultMessage: 'Finished', message: 'Your result:', successGreeting: 'Congratulations!', successComment: 'You have enough correct answers to pass the test.', failGreeting: 'Sorry!', failComment: "You don't have enough correct answers to pass this test.", scoreString: 'You got @score of @total points', finishButtonText: 'Finish', solutionButtonText: 'Show solution', retryButtonText: 'Retry', showAnimations: false, skipButtonText: 'Skip video' }, disableBackwardsNavigation: false }; var template = new EJS({text: texttemplate}); var endTemplate = new EJS({text: resulttemplate}); var params = $.extend(true, {}, defaults, options); var poolSize; // Number of questions to be pooled into a subset var poolQuestions; // Questions in a pool var poolOrder; // Order of questions in a pool var currentQuestion = 0; var questionInstances = []; var questionOrder; //Stores order of questions to allow resuming of question set var $myDom; var scoreBar; var up; var renderSolutions = false; var showingSolutions = false; contentData = contentData || {}; // Bring question set up to date when resuming if (contentData.previousState) { if (contentData.previousState.progress) { currentQuestion = contentData.previousState.progress; } questionOrder = contentData.previousState.order; } // Create a pool of questions if necessary /** * Randomizes questions in an array and updates an array containing their order * @param {array} questions * @param {array} questionOrder * @return {Object.} questionOrdering */ var randomizeQuestionOrdering = function (questions, questionOrder) { // Save the original order of the questions in a nested array [[question0,0],[question1,1]... var questionOrdering = questions.map(function(object, index) { return [object, index] }); questionOrdering = H5P.shuffleArray(questionOrdering); // Retrieve questions and indexes questions = questionOrdering.map(d => d[0]); // Use the previous question order if it exists var newOrder; if (questionOrder) { newOrder = questionOrdering.map(d => questionOrder[d[1]]); } else{ newOrder = questionOrdering.map(d => d[1]); } return { questions:questions, questionOrder:newOrder }; } // Create a pool (a subset) of questions if necessary if (params.poolSize) { // If a previous pool exists, recreate it if(contentData.previousState && contentData.previousState.poolOrder) { poolOrder = contentData.previousState.poolOrder; // Recreate the pool from the saved data var pool = []; for (var i = 0; i < poolOrder.length; i++) { pool[i] = params.questions[poolOrder[i]]; } // Replace original questions with just the ones in the pool params.questions = pool; } // Otherwise create a new pool else { // Sanitize input if (params.poolSize > params.questions.length) { poolSize = params.questions.length; } else { poolSize = params.poolSize; } // Randomize and get the results var poolResult = randomizeQuestionOrdering(params.questions, poolOrder); poolQuestions = poolResult.questions; poolOrder = poolResult.questionOrder; // Discard extra questions poolQuestions = poolQuestions.slice(0,poolSize); poolOrder = poolOrder.slice(0,poolSize); // Replace original questions with just the ones in the pool params.questions = poolQuestions; } } // Create the html template for the question container var $template = $(template.render(params)); // Set overrides for questions var override; if (params.override.showSolutionButton || params.override.retryButton) { override = {}; if (params.override.showSolutionButton) { // Force "Show solution" button to be on or off for all interactions override.enableSolutionsButton = (params.override.showSolutionButton === 'on' ? true : false); } if (params.override.retryButton) { // Force "Retry" button to be on or off for all interactions override.enableRetry = (params.override.retryButton === 'on' ? true : false); } } // Instantiate question instances for (var i = 0; i < params.questions.length; i++) { var question; // If a previous order exists, use it if (questionOrder !== undefined) { question = params.questions[questionOrder[i]]; } else { // Use a generic order when initialzing for the first time question = params.questions[i]; } if (override) { // Extend subcontent with the overrided settings. $.extend(question.params.behaviour, override); } question.params = question.params || {}; question.params.overrideSettings = question.params.overrideSettings || {}; question.params.overrideSettings.$confirmationDialogParent = $template.last(); question.params.overrideSettings.instance = this; var hasAnswers = contentData.previousState && contentData.previousState.answers; var questionInstance = H5P.newRunnable(question, contentId, undefined, undefined, { previousState: hasAnswers ? contentData.previousState.answers[i] : undefined, parent: self }); questionInstance.on('resize', function () { up = true; self.trigger('resize'); }); questionInstances.push(questionInstance); } // Randomize questions only on instantiation if (params.randomQuestions && contentData.previousState === undefined) { var result = randomizeQuestionOrdering(questionInstances,questionOrder); questionInstances = result.questions; questionOrder = result.questionOrder; } // Resize all interactions on resize self.on('resize', function () { if (up) { // Prevent resizing the question again. up = false; return; } for (var i = 0; i < questionInstances.length; i++) { questionInstances[i].trigger('resize'); } }); // Update button state. var _updateButtons = function () { // Verify that current question is answered when backward nav is disabled if (params.disableBackwardsNavigation) { if (questionInstances[currentQuestion].getAnswerGiven() && questionInstances.length-1 !== currentQuestion) { questionInstances[currentQuestion].showButton('next'); } else { questionInstances[currentQuestion].hideButton('next'); } } var answered = true; for (var i = questionInstances.length - 1; i >= 0; i--) { answered = answered && (questionInstances[i]).getAnswerGiven(); } if (currentQuestion === (params.questions.length - 1) && questionInstances[currentQuestion]) { if (answered) { questionInstances[currentQuestion].showButton('finish'); } else { questionInstances[currentQuestion].hideButton('finish'); } } }; var _stopQuestion = function (questionNumber) { if (questionInstances[questionNumber]) { pauseMedia(questionInstances[questionNumber]); } }; var _showQuestion = function (questionNumber, preventAnnouncement) { // Sanitize input. if (questionNumber < 0) { questionNumber = 0; } if (questionNumber >= params.questions.length) { questionNumber = params.questions.length - 1; } currentQuestion = questionNumber; // Hide all questions $('.question-container', $myDom).hide().eq(questionNumber).show(); if (questionInstances[questionNumber]) { // Trigger resize on question in case the size of the QS has changed. var instance = questionInstances[questionNumber]; instance.setActivityStarted(); if (instance.$ !== undefined) { instance.trigger('resize'); } } // Update progress indicator // Test if current has been answered. if (params.progressType === 'textual') { $('.progress-text', $myDom).text(params.texts.textualProgress.replace("@current", questionNumber+1).replace("@total", params.questions.length)); } else { // Set currentNess var previousQuestion = $('.progress-dot.current', $myDom).parent().index(); if (previousQuestion >= 0) { toggleCurrentDot(previousQuestion, false); toggleAnsweredDot(previousQuestion, questionInstances[previousQuestion].getAnswerGiven()); } toggleCurrentDot(questionNumber, true); } if (!preventAnnouncement) { // Announce question number of total, must use timeout because of buttons logic setTimeout(function () { var humanizedProgress = params.texts.readSpeakerProgress .replace('@current', (currentQuestion + 1).toString()) .replace('@total', questionInstances.length.toString()); $('.qs-progress-announcer', $myDom) .html(humanizedProgress) .show().focus(); if (instance && instance.readFeedback) { instance.readFeedback(); } }, 0); } // Remember where we are _updateButtons(); self.trigger('resize'); return currentQuestion; }; /** * Show solutions for subcontent, and hide subcontent buttons. * Used for contracts with integrated content. * @public */ var showSolutions = function () { showingSolutions = true; for (var i = 0; i < questionInstances.length; i++) { // Enable back and forth navigation in solution mode toggleDotsNavigation(true); if (i < questionInstances.length - 1) { questionInstances[i].showButton('next'); } if (i > 0) { questionInstances[i].showButton('prev'); } try { // Do not read answers questionInstances[i].toggleReadSpeaker(true); questionInstances[i].showSolutions(); questionInstances[i].toggleReadSpeaker(false); } catch(error) { H5P.error("subcontent does not contain a valid showSolutions function"); H5P.error(error); } } }; /** * Toggles whether dots are enabled for navigation */ var toggleDotsNavigation = function (enable) { $('.progress-dot', $myDom).each(function () { $(this).toggleClass('disabled', !enable); $(this).attr('aria-disabled', enable ? 'false' : 'true'); // Remove tabindex if (!enable) { $(this).attr('tabindex', '-1'); } }); }; /** * Resets the task and every subcontent task. * Used for contracts with integrated content. * @public */ var resetTask = function () { showingSolutions = false; for (var i = 0; i < questionInstances.length; i++) { try { questionInstances[i].resetTask(); // Hide back and forth navigation in normal mode if (params.disableBackwardsNavigation) { toggleDotsNavigation(false); // Check if first question is answered by default if (i === 0 && questionInstances[i].getAnswerGiven()) { questionInstances[i].showButton('next'); } else { questionInstances[i].hideButton('next'); } questionInstances[i].hideButton('prev'); } } catch(error) { H5P.error("subcontent does not contain a valid resetTask function"); H5P.error(error); } } // Hide finish button questionInstances[questionInstances.length - 1].hideButton('finish'); // Mark all tasks as unanswered: $('.progress-dot').each(function (idx) { toggleAnsweredDot(idx, false); }); //Force the last page to be reRendered rendered = false; if (params.randomQuestions) { randomizeQuestions(); } }; var rendered = false; this.reRender = function () { rendered = false; }; /** * Randomizes question instances */ var randomizeQuestions = function () { var result = randomizeQuestionOrdering(questionInstances,questionOrder); questionInstances = result.questions; questionOrder = result.questionOrder; // Find all question containers and detach questions from them $('.question-container', $myDom).each(function (){ $(this).children().detach(); }); // Reattach questions and their buttons in the new order for (var i = 0; i < questionInstances.length; i++) { var question = questionInstances[i]; // Make sure styles are not being added twice $('.question-container:eq(' + i + ')', $myDom).attr('class', 'question-container'); question.attach($('.question-container:eq(' + i + ')', $myDom)); //Show buttons if necessary if(questionInstances[questionInstances.length -1] === question && question.hasButton('finish')) { question.showButton('finish'); } if(questionInstances[questionInstances.length -1] !== question && question.hasButton('next')) { question.showButton('next'); } if(questionInstances[0] !== question && question.hasButton('prev') && !params.disableBackwardsNavigation) { question.showButton('prev'); } // Hide relevant buttons since the order has changed if (questionInstances[0] === question) { question.hideButton('prev'); } if (questionInstances[questionInstances.length-1] === question) { question.hideButton('next'); } if (questionInstances[questionInstances.length-1] !== question) { question.hideButton('finish'); } } } var moveQuestion = function (direction) { if (params.disableBackwardsNavigation && !questionInstances[currentQuestion].getAnswerGiven()) { questionInstances[currentQuestion].hideButton('next'); questionInstances[currentQuestion].hideButton('finish'); return; } _stopQuestion(currentQuestion); if (currentQuestion + direction >= questionInstances.length) { _displayEndGame(); } else { // Allow movement if backward navigation enabled or answer given _showQuestion(currentQuestion + direction); } }; /** * Toggle answered state of dot at given index * @param {number} dotIndex Index of dot * @param {boolean} isAnswered True if is answered, False if not answered */ var toggleAnsweredDot = function(dotIndex, isAnswered) { var $el = $('.progress-dot:eq(' + dotIndex +')', $myDom); // Skip current button if ($el.hasClass('current')) { return; } // Ensure boolean isAnswered = !!isAnswered; var label = params.texts.jumpToQuestion .replace('%d', (dotIndex + 1).toString()) .replace('%total', $('.progress-dot', $myDom).length) + ', ' + (isAnswered ? params.texts.answeredText : params.texts.unansweredText); $el.toggleClass('unanswered', !isAnswered) .toggleClass('answered', isAnswered) .attr('aria-label', label); }; /** * Toggle current state of dot at given index * @param dotIndex * @param isCurrent */ var toggleCurrentDot = function (dotIndex, isCurrent) { var $el = $('.progress-dot:eq(' + dotIndex +')', $myDom); var texts = params.texts; var label = texts.jumpToQuestion .replace('%d', (dotIndex + 1).toString()) .replace('%total', $('.progress-dot', $myDom).length); if (!isCurrent) { var isAnswered = $el.hasClass('answered'); label += ', ' + (isAnswered ? texts.answeredText : texts.unansweredText); } else { label += ', ' + texts.currentQuestionText; } var disabledTabindex = params.disableBackwardsNavigation && !showingSolutions; $el.toggleClass('current', isCurrent) .attr('aria-label', label) .attr('tabindex', isCurrent && !disabledTabindex ? 0 : -1); }; var _displayEndGame = function () { $('.progress-dot.current', $myDom).removeClass('current'); if (rendered) { $myDom.children().hide().filter('.questionset-results').show(); self.trigger('resize'); return; } //Remove old score screen. $myDom.children().hide().filter('.questionset-results').remove(); rendered = true; // Get total score. var finals = self.getScore(); var totals = self.getMaxScore(); var scoreString = params.endGame.scoreString.replace("@score", finals).replace("@total", totals); var success = ((100 * finals / totals) >= params.passPercentage); var eventData = { score: scoreString, passed: success }; /** * Makes our buttons behave like other buttons. * * @private * @param {string} classSelector * @param {function} handler */ var hookUpButton = function (classSelector, handler) { $(classSelector, $myDom).click(handler).keypress(function (e) { if (e.which === 32) { handler(); e.preventDefault(); } }); }; var displayResults = function () { self.triggerXAPICompleted(self.getScore(), self.getMaxScore(), success); var eparams = { message: params.endGame.showResultPage ? params.endGame.message : params.endGame.noResultMessage, comment: params.endGame.showResultPage ? (success ? params.endGame.successGreeting : params.endGame.failGreeting) : undefined, resulttext: params.endGame.showResultPage ? (success ? params.endGame.successComment : params.endGame.failComment) : undefined, finishButtonText: params.endGame.finishButtonText, solutionButtonText: params.endGame.solutionButtonText, retryButtonText: params.endGame.retryButtonText }; // Show result page. $myDom.children().hide(); $myDom.append(endTemplate.render(eparams)); if (params.endGame.showResultPage) { // Add event handlers to summary buttons hookUpButton('.qs-finishbutton', function () { self.trigger('h5pQuestionSetFinished', eventData); }); hookUpButton('.qs-solutionbutton', function () { showSolutions(); $myDom.children().hide().filter('.questionset').show(); _showQuestion(params.initialQuestion); }); hookUpButton('.qs-retrybutton', function () { resetTask(); $myDom.children().hide(); var $intro = $('.intro-page', $myDom); if ($intro.length) { // Show intro $('.intro-page', $myDom).show(); } else { // Show first question $('.questionset', $myDom).show(); _showQuestion(params.initialQuestion); } }); if (scoreBar === undefined) { scoreBar = H5P.JoubelUI.createScoreBar(totals); } scoreBar.appendTo($('.feedback-scorebar', $myDom)); scoreBar.setScore(finals); $('.feedback-text', $myDom).html(scoreString); // Announce that the question set is complete setTimeout(function () { $('.qs-progress-announcer', $myDom) .html(eparams.message + '.' + scoreString + '.' + eparams.comment + '.' + eparams.resulttext) .show().focus(); }, 0); } else { // Remove buttons and feedback section $('.qs-finishbutton, .qs-solutionbutton, .qs-retrybutton, .feedback-section', $myDom).remove(); } self.trigger('resize'); }; if (params.endGame.showAnimations) { var videoData = success ? params.endGame.successVideo : params.endGame.failVideo; if (videoData) { $myDom.children().hide(); var $videoContainer = $('
').appendTo($myDom); var video = new H5P.Video({ sources: videoData, fitToWrapper: true, controls: false, autoplay: false }, contentId); video.on('stateChange', function (event) { if (event.data === H5P.Video.ENDED) { displayResults(); $videoContainer.hide(); } }); video.attach($videoContainer); // Resize on video loaded video.on('loaded', function () { self.trigger('resize'); }); video.play(); if (params.endGame.skippable) { $('').click(function () { video.pause(); $videoContainer.hide(); displayResults(); }).appendTo($videoContainer); } return; } } // Trigger finished event. displayResults(); self.trigger('resize'); }; // Function for attaching the multichoice to a DOM element. this.attach = function (target) { if (this.isRoot()) { this.setActivityStarted(); } if (typeof(target) === "string") { $myDom = $('#' + target); } else { $myDom = $(target); } // Render own DOM into target. $myDom.children().remove(); $myDom.append($template); if (params.backgroundImage !== undefined) { $myDom.css({ overflow: 'hidden', background: '#fff url("' + H5P.getPath(params.backgroundImage.path, contentId) + '") no-repeat 50% 50%', backgroundSize: '100% auto' }); } if (params.introPage.backgroundImage !== undefined) { var $intro = $myDom.find('.intro-page'); if ($intro.length) { var bgImg = params.introPage.backgroundImage; var bgImgRatio = (bgImg.height / bgImg.width); $intro.css({ background: '#fff url("' + H5P.getPath(bgImg.path, contentId) + '") no-repeat 50% 50%', backgroundSize: 'auto 100%', minHeight: bgImgRatio * +window.getComputedStyle($intro[0]).width.replace('px','') }); } } var registerImageLoadedListener = function (question) { H5P.on(question, 'imageLoaded', function () { self.trigger('resize'); }); }; // Attach questions for (var i = 0; i < questionInstances.length; i++) { var question = questionInstances[i]; question.attach($('.question-container:eq(' + i + ')', $myDom)); // Listen for image resize registerImageLoadedListener(question); // Add finish button question.addButton('finish', params.texts.finishButton, moveQuestion.bind(this, 1), false); // Add next button question.addButton('next', '', moveQuestion.bind(this, 1), !params.disableBackwardsNavigation || !!question.getAnswerGiven(), { href: '#', // Use href since this is a navigation button 'aria-label': params.texts.nextButton }); // Add previous button question.addButton('prev', '', moveQuestion.bind(this, -1), !(questionInstances[0] === question || params.disableBackwardsNavigation), { href: '#', // Use href since this is a navigation button 'aria-label': params.texts.prevButton }); // Hide next button if it is the last question if(questionInstances[questionInstances.length -1] === question) { question.hideButton('next'); } question.on('xAPI', function (event) { var shortVerb = event.getVerb(); if (shortVerb === 'interacted' || shortVerb === 'answered' || shortVerb === 'attempted') { toggleAnsweredDot(currentQuestion, questionInstances[currentQuestion].getAnswerGiven()); _updateButtons(); } if (shortVerb === 'completed') { // An activity within this activity is not allowed to send completed events event.setVerb('answered'); } if (event.data.statement.context.extensions === undefined) { event.data.statement.context.extensions = {}; } event.data.statement.context.extensions['http://id.tincanapi.com/extension/ending-point'] = currentQuestion + 1; }); // Mark question if answered toggleAnsweredDot(i, question.getAnswerGiven()); } // Allow other libraries to add transitions after the questions have been inited $('.questionset', $myDom).addClass('started'); $('.qs-startbutton', $myDom).click(function () { $(this).parents('.intro-page').hide(); $('.questionset', $myDom).show(); _showQuestion(params.initialQuestion); }); /** * Triggers changing the current question. * * @private * @param {Object} [event] */ var handleProgressDotClick = function (event) { // Disable dots when backward nav disabled event.preventDefault(); if (params.disableBackwardsNavigation && !showingSolutions) { return; } _stopQuestion(currentQuestion); _showQuestion($(this).parent().index()); }; // Set event listeners. $('.progress-dot', $myDom).click(handleProgressDotClick).keydown(function (event) { var $this = $(this); switch (event.which) { case 13: // Enter case 32: // Space handleProgressDotClick.call(this, event); break; case 37: // Left Arrow case 38: // Up Arrow // Go to previous dot var $prev = $this.parent().prev(); if ($prev.length) { $prev.children('a').attr('tabindex', '0').focus(); $this.attr('tabindex', '-1'); } break; case 39: // Right Arrow case 40: // Down Arrow // Go to next dot var $next = $this.parent().next(); if ($next.length) { $next.children('a').attr('tabindex', '0').focus(); $this.attr('tabindex', '-1'); } break; } }); // Hide all but current question _showQuestion(currentQuestion, true); if (renderSolutions) { showSolutions(); } // Update buttons in case they have changed (restored user state) _updateButtons(); this.trigger('resize'); return this; }; // Get current score for questionset. this.getScore = function () { var score = 0; for (var i = questionInstances.length - 1; i >= 0; i--) { score += questionInstances[i].getScore(); } return score; }; // Get total score possible for questionset. this.getMaxScore = function () { var score = 0; for (var i = questionInstances.length - 1; i >= 0; i--) { score += questionInstances[i].getMaxScore(); } return score; }; /** * @deprecated since version 1.9.2 * @returns {number} */ this.totalScore = function () { return this.getMaxScore(); }; /** * Gather copyright information for the current content. * * @returns {H5P.ContentCopyrights} */ this.getCopyrights = function () { var info = new H5P.ContentCopyrights(); // Background if (params.backgroundImage !== undefined && params.backgroundImage.copyright !== undefined) { var background = new H5P.MediaCopyright(params.backgroundImage.copyright); background.setThumbnail(new H5P.Thumbnail(H5P.getPath(params.backgroundImage.path, contentId), params.backgroundImage.width, params.backgroundImage.height)); info.addMedia(background); } // Questions var questionCopyrights; for (var i = 0; i < questionInstances.length; i++) { var instance = questionInstances[i]; var qParams = params.questions[i].params; questionCopyrights = undefined; if (instance.getCopyrights !== undefined) { // Use the instance's own copyright generator questionCopyrights = instance.getCopyrights(); } if (questionCopyrights === undefined) { // Create a generic flat copyright list questionCopyrights = new H5P.ContentCopyrights(); H5P.findCopyrights(questionCopyrights, qParams, contentId); } // Determine label var label = (params.texts.questionLabel + ' ' + (i + 1)); if (qParams.contentName !== undefined) { label += ': ' + qParams.contentName; } else if (instance.getTitle !== undefined) { label += ': ' + instance.getTitle(); } questionCopyrights.setLabel(label); // Add info info.addContent(questionCopyrights); } // Success video var video; if (params.endGame.successVideo !== undefined && params.endGame.successVideo.length > 0) { video = params.endGame.successVideo[0]; if (video.copyright !== undefined) { info.addMedia(new H5P.MediaCopyright(video.copyright)); } } // Fail video if (params.endGame.failVideo !== undefined && params.endGame.failVideo.length > 0) { video = params.endGame.failVideo[0]; if (video.copyright !== undefined) { info.addMedia(new H5P.MediaCopyright(video.copyright)); } } return info; }; this.getQuestions = function() { return questionInstances; }; this.showSolutions = function() { renderSolutions = true; }; /** * Stop the given element's playback if any. * * @param {object} instance */ var pauseMedia = function (instance) { try { if (instance.pause !== undefined && (instance.pause instanceof Function || typeof instance.pause === 'function')) { instance.pause(); } } catch (err) { // Prevent crashing, log error. H5P.error(err); } }; /** * Returns the complete state of question set and sub-content * * @returns {Object} current state */ this.getCurrentState = function () { return { progress: showingSolutions ? questionInstances.length - 1 : currentQuestion, answers: questionInstances.map(function (qi) { return qi.getCurrentState(); }), order: questionOrder, poolOrder: poolOrder }; }; }; H5P.QuestionSet.prototype = Object.create(H5P.EventDispatcher.prototype); H5P.QuestionSet.prototype.constructor = H5P.QuestionSet;