479 lines
15 KiB
JavaScript
479 lines
15 KiB
JavaScript
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
|
|
* @returns {H5P.QuestionSet} Instance
|
|
*/
|
|
H5P.QuestionSet = function (options, contentId) {
|
|
if (!(this instanceof H5P.QuestionSet)) {
|
|
return new H5P.QuestionSet(options, contentId);
|
|
}
|
|
H5P.EventDispatcher.call(this);
|
|
var $ = H5P.jQuery;
|
|
var self = this;
|
|
this.contentId = contentId;
|
|
|
|
var texttemplate =
|
|
'<% if (introPage.showIntroPage) { %>' +
|
|
'<div class="intro-page">' +
|
|
' <% if (introPage.title) { %>' +
|
|
' <div class="title"><span><%= introPage.title %></span></div>' +
|
|
' <% } %>' +
|
|
' <% if (introPage.introduction) { %>' +
|
|
' <div class="introduction"><%= introPage.introduction %></div>' +
|
|
' <% } %>' +
|
|
' <div class="buttons"><a class="qs-startbutton h5p-button"><%= introPage.startButtonText %></a></div>' +
|
|
'</div>' +
|
|
'<% } %>' +
|
|
'<div class="questionset<% if (introPage.showIntroPage) { %> hidden<% } %>">' +
|
|
' <% for (var i=0; i<questions.length; i++) { %>' +
|
|
' <div class="question-container"></div>' +
|
|
' <% } %>' +
|
|
' <div class="qs-footer">' +
|
|
' <div class="qs-progress">' +
|
|
' <% if (progressType == "dots") { %>' +
|
|
' <div class="dots-container">' +
|
|
' <% for (var i=0; i<questions.length; i++) { %>' +
|
|
' <span class="progress-dot unanswered"></span>' +
|
|
' <%} %>' +
|
|
' </div>' +
|
|
' <% } else if (progressType == "textual") { %>' +
|
|
' <span class="progress-text"></span>' +
|
|
' <% } %>' +
|
|
' </div>' +
|
|
' <a class="prev h5p-button" title="<%= texts.prevButton %>"></a>' +
|
|
' <a class="next h5p-button" title="<%= texts.nextButton %>"></a>' +
|
|
' <a class="finish h5p-button"><%= texts.finishButton %></a>' +
|
|
' </div>' +
|
|
'</div>';
|
|
|
|
var resulttemplate =
|
|
'<div class="questionset-results">' +
|
|
' <div class="greeting"><%= message %></div>' +
|
|
' <div class="score <%= scoreclass %>">' +
|
|
' <div class="emoticon"></div>' +
|
|
' <div class="resulttext <%= scoreclass %>"><% if (comment) { %><h2><%= comment %></h2><% } %><%= score %><br><%= resulttext %></div>' +
|
|
' </div>' +
|
|
' <div class="buttons"><a class="h5p-button qs-finishbutton"><%= finishButtonText %></a><a class="h5p-button qs-solutionbutton"><%= solutionButtonText %></a><a class="h5p-button qs-retrybutton"></a></div>' +
|
|
'</div>';
|
|
|
|
var defaults = {
|
|
randomOrder: false,
|
|
initialQuestion: 0,
|
|
progressType: 'dots',
|
|
passPercentage: 50,
|
|
questions: [],
|
|
introPage: {
|
|
showIntroPage: false,
|
|
title: '',
|
|
introduction: '',
|
|
startButtonText: 'Start'
|
|
},
|
|
texts: {
|
|
prevButton: 'Previous',
|
|
nextButton: 'Next',
|
|
finishButton: 'Finish',
|
|
textualProgress: 'Question: @current of @total questions'
|
|
},
|
|
endGame: {
|
|
showResultPage: true,
|
|
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 points of @total possible.',
|
|
finishButtonText: 'Finish',
|
|
solutionButtonText: 'Show solution',
|
|
retryButtonText: 'Retry',
|
|
showAnimations: false
|
|
},
|
|
override: {
|
|
overrideButtons: false,
|
|
overrideShowSolutionButton: false,
|
|
overrideRetry: false
|
|
}
|
|
};
|
|
|
|
var template = new EJS({text: texttemplate});
|
|
var endTemplate = new EJS({text: resulttemplate});
|
|
var params = $.extend(true, {}, defaults, options);
|
|
|
|
var currentQuestion = 0;
|
|
var questionInstances = new Array();
|
|
var $myDom;
|
|
renderSolutions = false;
|
|
|
|
// Instantiate question instances
|
|
for (var i = 0; i < params.questions.length; i++) {
|
|
var question = params.questions[i];
|
|
// TODO: Render on init, inject in template.
|
|
|
|
// override content parameters.
|
|
if (params.override.overrideButtons) {
|
|
// Extend subcontent with the overrided settings.
|
|
$.extend(question.params.behaviour, {
|
|
enableRetry: params.override.overrideRetry,
|
|
enableSolutionsButton: params.override.overrideShowSolutionButton
|
|
});
|
|
}
|
|
var questionInstance = H5P.newRunnable(question, contentId, undefined, undefined, {parent: self});
|
|
questionInstances.push(questionInstance);
|
|
questionInstance.on('resize', function() {
|
|
self.trigger('resize');
|
|
});
|
|
}
|
|
|
|
// Update button state.
|
|
var _updateButtons = function () {
|
|
var answered = true;
|
|
for (var i = questionInstances.length - 1; i >= 0; i--) {
|
|
answered = answered && (questionInstances[i]).getAnswerGiven();
|
|
}
|
|
|
|
if (currentQuestion === 0) {
|
|
$('.prev.h5p-button', $myDom).hide();
|
|
} else {
|
|
$('.prev.h5p-button', $myDom).show();
|
|
}
|
|
if (currentQuestion === (params.questions.length - 1)) {
|
|
$('.next.h5p-button', $myDom).hide();
|
|
if (answered) {
|
|
$('.finish.h5p-button', $myDom).show();
|
|
}
|
|
} else {
|
|
$('.next.h5p-button', $myDom).show();
|
|
$('.finish.h5p-button', $myDom).hide();
|
|
}
|
|
};
|
|
|
|
var _showQuestion = function (questionNumber) {
|
|
// Sanitize input.
|
|
if (questionNumber < 0) {
|
|
questionNumber = 0;
|
|
}
|
|
if (questionNumber >= params.questions.length) {
|
|
questionNumber = params.questions.length - 1;
|
|
}
|
|
|
|
// Hide all questions
|
|
$('.question-container', $myDom).hide().eq(questionNumber).show();
|
|
|
|
// Trigger resize on question in case the size of the QS has changed.
|
|
var instance = questionInstances[questionNumber];
|
|
if (instance.$ !== 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
|
|
$('.progress-dot.current', $myDom).removeClass('current');
|
|
$('.progress-dot:eq(' + questionNumber +')', $myDom).addClass('current');
|
|
}
|
|
|
|
// Remember where we are
|
|
currentQuestion = questionNumber;
|
|
_updateButtons();
|
|
self.trigger('resize');
|
|
return currentQuestion;
|
|
};
|
|
|
|
/**
|
|
* Show solutions for subcontent, and hide subcontent buttons.
|
|
* Used for contracts with integrated content.
|
|
* @public
|
|
*/
|
|
var showSolutions = function () {
|
|
for (var i = 0; i < questionInstances.length; i++) {
|
|
try {
|
|
questionInstances[i].showSolutions();
|
|
}
|
|
catch(error) {
|
|
console.log(error);
|
|
console.log("subcontent does not contain a valid showSolutions() function");
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Resets the task and every subcontent task.
|
|
* Used for contracts with integrated content.
|
|
* @public
|
|
*/
|
|
var resetTask = function () {
|
|
for (var i = 0; i < questionInstances.length; i++) {
|
|
try {
|
|
questionInstances[i].resetTask();
|
|
}
|
|
catch(error) {
|
|
console.log(error);
|
|
console.log("subcontent does not contain a valid resetTask() function");
|
|
}
|
|
}
|
|
//Force the last page to be reRendered
|
|
rendered = false;
|
|
};
|
|
|
|
var rendered = false;
|
|
|
|
this.reRender = function () {
|
|
rendered = false;
|
|
};
|
|
|
|
var _displayEndGame = function () {
|
|
if (rendered) {
|
|
$myDom.children().hide().filter('.questionset-results').show();
|
|
return;
|
|
}
|
|
//Remove old score screen.
|
|
$myDom.children().hide().filter('.questionset-results').remove();
|
|
rendered = true;
|
|
|
|
// Get total score.
|
|
var finals = self.getScore();
|
|
var totals = self.totalScore();
|
|
var scoreString = params.endGame.scoreString.replace("@score", finals).replace("@total", totals);
|
|
var success = ((100 * finals / totals) >= params.passPercentage);
|
|
var eventData = {
|
|
score: scoreString,
|
|
passed: success
|
|
};
|
|
var displayResults = function () {
|
|
self.triggerXAPICompleted(self.getScore(), self.totalScore());
|
|
|
|
if (!params.endGame.showResultPage) {
|
|
self.trigger('h5pQuestionSetFinished', eventData);
|
|
return;
|
|
}
|
|
|
|
var eparams = {
|
|
message: params.endGame.message,
|
|
comment: (success ? params.endGame.successGreeting : params.endGame.failGreeting),
|
|
score: scoreString,
|
|
scoreclass: (success ? 'success' : 'fail'),
|
|
resulttext: (success ? params.endGame.successComment : params.endGame.failComment),
|
|
finishButtonText: params.endGame.finishButtonText,
|
|
solutionButtonText: params.endGame.solutionButtonText
|
|
};
|
|
|
|
// Show result page.
|
|
$myDom.children().hide();
|
|
$myDom.append(endTemplate.render(eparams));
|
|
$('.qs-finishbutton').click(function () {
|
|
self.trigger('h5pQuestionSetFinished', eventData);
|
|
});
|
|
$('.qs-solutionbutton', $myDom).click(function () {
|
|
showSolutions();
|
|
$myDom.children().hide().filter('.questionset').show();
|
|
_showQuestion(params.initialQuestion);
|
|
});
|
|
$('.qs-retrybutton', $myDom)
|
|
.html(params.endGame.retryButtonText)
|
|
.click(function () {
|
|
resetTask();
|
|
$myDom.children().hide().filter('.questionset').show();
|
|
_showQuestion(params.initialQuestion);});
|
|
};
|
|
|
|
if (params.endGame.showAnimations) {
|
|
var videoData = success ? params.endGame.successVideo : params.endGame.failVideo;
|
|
if (videoData) {
|
|
$myDom.children().hide();
|
|
var $videoContainer = $('<div class="video-container"></div>').appendTo($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);
|
|
video.play();
|
|
|
|
if (params.endGame.skipButtonText) {
|
|
$('<a class="h5p-button skip">' + params.endGame.skipButtonText + '</a>').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 (typeof(target) === "string") {
|
|
$myDom = $('#' + target);
|
|
}
|
|
else {
|
|
$myDom = $(target);
|
|
}
|
|
|
|
// Render own DOM into target.
|
|
$myDom.html(template.render(params));
|
|
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) {
|
|
$intro.css({
|
|
background: '#fff url("' + H5P.getPath(params.introPage.backgroundImage.path, contentId) + '") no-repeat 50% 50%',
|
|
backgroundSize: '100% auto'
|
|
});
|
|
}
|
|
}
|
|
|
|
// Attach questions
|
|
for (var i = 0; i < questionInstances.length; i++) {
|
|
var question = questionInstances[i];
|
|
|
|
question.attach($('.question-container:eq(' + i + ')', $myDom));
|
|
question.on('xAPI', function (event) {
|
|
if (event.getVerb() === 'attempted') {
|
|
$('.progress-dot:eq(' + currentQuestion +')', $myDom).removeClass('unanswered').addClass('answered');
|
|
_updateButtons();
|
|
}
|
|
});
|
|
if (question.getAnswerGiven()) {
|
|
$('.progress-dot:eq(' + i +')'
|
|
, $myDom).removeClass('unanswered').addClass('answered');
|
|
}
|
|
}
|
|
|
|
// 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).removeClass('hidden');
|
|
_showQuestion(currentQuestion);
|
|
});
|
|
|
|
// Set event listeners.
|
|
$('.progress-dot', $myDom).click(function () {
|
|
_showQuestion($(this).index());
|
|
});
|
|
$('.next.h5p-button', $myDom).click(function () {
|
|
_showQuestion(currentQuestion + 1);
|
|
});
|
|
$('.prev.h5p-button', $myDom).click(function () {
|
|
_showQuestion(currentQuestion - 1);
|
|
});
|
|
$('.finish.h5p-button', $myDom).click(function () {
|
|
_displayEndGame();
|
|
});
|
|
|
|
// Hide all but initial Question.
|
|
_showQuestion(params.initialQuestion);
|
|
_updateButtons();
|
|
|
|
if (renderSolutions) {
|
|
showSolutions();
|
|
}
|
|
|
|
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.totalScore = function () {
|
|
var score = 0;
|
|
for (var i = questionInstances.length - 1; i >= 0; i--) {
|
|
score += questionInstances[i].getMaxScore();
|
|
}
|
|
return score;
|
|
};
|
|
|
|
/**
|
|
* 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
|
|
for (var i = 0; i < questionInstances.length; i++) {
|
|
var questionInstance = questionInstances[i];
|
|
if (questionInstance.getCopyrights !== undefined) {
|
|
var rights = questionInstance.getCopyrights();
|
|
if (rights !== undefined) {
|
|
rights.setLabel('Question '+(i+1));
|
|
info.addContent(rights);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Success video
|
|
if (params.endGame.successVideo !== undefined && params.endGame.successVideo.length > 0) {
|
|
var 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;
|
|
}
|
|
};
|
|
H5P.QuestionSet.prototype = Object.create(H5P.EventDispatcher.prototype);
|
|
H5P.QuestionSet.prototype.constructor = H5P.QuestionSet; |