985 lines
26 KiB
JavaScript
985 lines
26 KiB
JavaScript
var H5P = H5P || {};
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// Determine if we're inside an iframe.
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H5P.isFramed = (window.self !== window.top);
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// Useful jQuery object.
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H5P.$window = H5P.jQuery(window);
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// Detect if we support fullscreen, and what prefix to use.
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if (document.documentElement.requestFullScreen) {
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H5P.fullScreenBrowserPrefix = '';
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}
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else if (document.documentElement.webkitRequestFullScreen
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&& navigator.userAgent.indexOf('Android') === -1 // Skip Android
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&& navigator.userAgent.indexOf('Version/') === -1 // Skip Safari
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) {
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H5P.fullScreenBrowserPrefix = 'webkit';
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}
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else if (document.documentElement.mozRequestFullScreen) {
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H5P.fullScreenBrowserPrefix = 'moz';
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}
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else if (document.documentElement.msRequestFullscreen) {
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H5P.fullScreenBrowserPrefix = 'ms';
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}
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/**
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* Initialize H5P content.
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* Scans for ".h5p-content" in the document and initializes H5P instances where found.
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*/
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H5P.init = function () {
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// Useful jQuery object.
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H5P.$body = H5P.jQuery('body');
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// Prepare internal resizer for content.
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var $window = H5P.jQuery(window.top);
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// H5Ps added in normal DIV.
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var $containers = H5P.jQuery(".h5p-content").each(function () {
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var $element = H5P.jQuery(this);
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var $container = H5P.jQuery('<div class="h5p-container"></div>').appendTo($element);
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var contentId = $element.data('content-id');
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var contentData = H5PIntegration.getContentData(contentId);
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if (contentData === undefined) {
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return H5P.error('No data for content id ' + contentId + '. Perhaps the library is gone?');
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}
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var library = {
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library: contentData.library,
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params: H5P.jQuery.parseJSON(contentData.jsonContent)
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};
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// Create new instance.
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var instance = H5P.newRunnable(library, contentId, $container, true);
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// Check if we should add and display a fullscreen button for this H5P.
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if (contentData.fullScreen == 1) {
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H5P.jQuery('<div class="h5p-content-controls"><div role="button" tabindex="1" class="h5p-enable-fullscreen" title="' + H5P.t('fullscreen') + '"></div></div>').prependTo($container).children().click(function () {
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H5P.fullScreen($container, instance);
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});
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};
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var $actions = H5P.jQuery('<ul class="h5p-actions"></ul>');
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if (contentData.export !== '') {
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// Display export button
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H5P.jQuery('<li class="h5p-button h5p-export" role="button" tabindex="1" title="' + H5P.t('downloadDescription') + '">' + H5P.t('download') + '</li>').appendTo($actions).click(function () {
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window.location.href = contentData.export;
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});
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}
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if (instance.getCopyrights !== undefined) {
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// Display copyrights button
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H5P.jQuery('<li class="h5p-button h5p-copyrights" role="button" tabindex="1" title="' + H5P.t('copyrightsDescription') + '">' + H5P.t('copyrights') + '</li>').appendTo($actions).click(function () {
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H5P.openCopyrightsDialog($actions, instance);
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});
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}
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if (contentData.embedCode !== undefined) {
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// Display embed button
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H5P.jQuery('<li class="h5p-button h5p-embed" role="button" tabindex="1" title="' + H5P.t('embedDescription') + '">' + H5P.t('embed') + '</li>').appendTo($actions).click(function () {
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H5P.openEmbedDialog($actions, contentData.embedCode);
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});
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}
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if (H5PIntegration.showH5PIconInActionBar()) {
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H5P.jQuery('<li><a class="h5p-link" href="http://h5p.org" target="_blank" title="' + H5P.t('h5pDescription') + '"></a></li>').appendTo($actions);
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}
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$actions.insertAfter($container);
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if (H5P.isFramed) {
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// Make it possible to resize the iframe when the content changes size. This way we get no scrollbars.
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var iframe = window.parent.document.getElementById('h5p-iframe-' + contentId);
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var resizeIframe = function () {
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if (window.top.H5P.isFullscreen) {
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return; // Skip if full screen.
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}
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// Retain parent size to avoid jumping/scrolling
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var parentHeight = iframe.parentElement.style.height;
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iframe.parentElement.style.height = iframe.parentElement.clientHeight + 'px';
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// Reset iframe height, in case content has shrinked.
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iframe.style.height = '1px';
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// Resize iframe so all content is visible.
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iframe.style.height = (iframe.contentDocument.body.scrollHeight) + 'px';
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// Free parent
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iframe.parentElement.style.height = parentHeight;
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};
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instance.$.on('resize', function () {
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// Use timeout to make sure iframe is resized to the correct size.
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setTimeout(function () {
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resizeIframe();
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}, 1);
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});
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}
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// Resize everything when window is resized.
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$window.resize(function () {
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if (window.top.H5P.isFullscreen) {
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// Use timeout to avoid bug in certain browsers when exiting fullscreen. Some browser will trigger resize before the fullscreenchange event.
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setTimeout(function () {
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instance.$.trigger('resize');
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}, 1);
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}
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else {
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instance.$.trigger('resize');
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}
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});
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// Resize content.
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instance.$.trigger('resize');
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});
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// Insert H5Ps that should be in iframes.
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H5P.jQuery("iframe.h5p-iframe").each(function () {
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var contentId = H5P.jQuery(this).data('content-id');
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this.contentDocument.open();
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this.contentDocument.write('<!doctype html><html class="h5p-iframe"><head>' + H5PIntegration.getHeadTags(contentId) + '</head><body><div class="h5p-content" data-content-id="' + contentId + '"/></body></html>');
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this.contentDocument.close();
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});
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};
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/**
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* Enable full screen for the given h5p.
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*
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* @param {jQuery} $element Content container.
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* @param {object} instance
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* @param {function} exitCallback Callback function called when user exits fullscreen.
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* @param {jQuery} $body For internal use. Gives the body of the iframe.
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* @returns {undefined}
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*/
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H5P.fullScreen = function ($element, instance, exitCallback, body) {
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if (H5P.isFramed) {
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// Trigger resize on wrapper in parent window.
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window.parent.H5P.fullScreen($element, instance, exitCallback, H5P.$body.get());
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return;
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}
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var $container = $element;
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var $classes, $iframe;
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if (body === undefined) {
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$body = H5P.$body;
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}
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else {
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// We're called from an iframe.
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$body = H5P.jQuery(body);
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$classes = $body.add($element.get());
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var iframeSelector = '#h5p-iframe-' + $element.parent().data('content-id');
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$iframe = H5P.jQuery(iframeSelector);
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$element = $iframe.parent(); // Put iframe wrapper in fullscreen, not container.
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}
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$classes = $element.add(H5P.$body).add($classes);
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var done = function (c) {
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H5P.isFullscreen = false;
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$classes.removeClass(c);
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if (H5P.fullScreenBrowserPrefix === undefined) {
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// Resize content.
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if (instance.$ !== undefined) {
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instance.$.trigger('resize');
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}
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else if (instance.resize !== undefined) {
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instance.resize();
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}
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}
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if (exitCallback !== undefined) {
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exitCallback();
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}
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};
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H5P.isFullscreen = true;
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if (H5P.fullScreenBrowserPrefix === undefined) {
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// Create semi fullscreen.
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$classes.addClass('h5p-semi-fullscreen');
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var $disable = $container.prepend('<a href="#" class="h5p-disable-fullscreen" title="Disable fullscreen"></a>').children(':first');
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var keyup, disableSemiFullscreen = function () {
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$disable.remove();
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$body.unbind('keyup', keyup);
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done('h5p-semi-fullscreen');
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return false;
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};
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keyup = function (event) {
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if (event.keyCode === 27) {
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disableSemiFullscreen();
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}
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};
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$disable.click(disableSemiFullscreen);
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$body.keyup(keyup);
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}
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else {
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// Create real fullscreen.
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var first, eventName = (H5P.fullScreenBrowserPrefix === 'ms' ? 'MSFullscreenChange' : H5P.fullScreenBrowserPrefix + 'fullscreenchange');
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document.addEventListener(eventName, function () {
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if (first === undefined) {
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first = false;
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return;
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}
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done('h5p-fullscreen');
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document.removeEventListener(eventName, arguments.callee, false);
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});
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if (H5P.fullScreenBrowserPrefix === '') {
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$element[0].requestFullScreen();
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}
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else {
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var method = (H5P.fullScreenBrowserPrefix === 'ms' ? 'msRequestFullscreen' : H5P.fullScreenBrowserPrefix + 'RequestFullScreen');
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var params = (H5P.fullScreenBrowserPrefix === 'webkit' ? Element.ALLOW_KEYBOARD_INPUT : undefined);
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$element[0][method](params);
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}
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$classes.addClass('h5p-fullscreen');
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}
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if ($iframe !== undefined) {
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// Set iframe to its default size(100%).
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$iframe.css('height', '');
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}
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if (H5P.fullScreenBrowserPrefix === undefined) {
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// Resize content.
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if (instance.$ !== undefined) {
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instance.$.trigger('resize');
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}
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else if (instance.resize !== undefined) {
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instance.resize();
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}
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}
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// Allow H5P to set focus when entering fullscreen mode
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if (instance.focus !== undefined) {
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instance.focus();
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}
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};
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/**
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* Find the path to the content files based on the id of the content
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*
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* Also identifies and returns absolute paths
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*
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* @param string path
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* Absolute path to a file, or relative path to a file in the content folder
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* @param contentId
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* Id of the content requesting a path
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*/
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H5P.getPath = function (path, contentId) {
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if (path.substr(0, 7) === 'http://' || path.substr(0, 8) === 'https://') {
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return path;
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}
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return H5PIntegration.getContentPath(contentId) + path;
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};
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/**
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* THIS FUNCTION IS DEPRECATED, USE getPath INSTEAD
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*
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* Find the path to the content files folder based on the id of the content
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*
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* @param contentId
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* Id of the content requesting a path
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*/
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H5P.getContentPath = function (contentId) {
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return H5PIntegration.getContentPath(contentId);
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};
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/**
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* Get library class constructor from H5P by classname.
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* Note that this class will only work for resolve "H5P.NameWithoutDot".
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* Also check out: H5P.newRunnable
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*
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* Used from libraries to construct instances of other libraries' objects by name.
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*
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* @param {string} name Name of library
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* @returns Class constructor
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*/
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H5P.classFromName = function (name) {
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var arr = name.split(".");
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return this[arr[arr.length-1]];
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};
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/**
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* A safe way of creating a new instance of a runnable H5P.
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*
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* TODO: Should we check if version matches the library?
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* TODO: Dynamically try to load libraries currently not loaded? That will require a callback.
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*
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* @param {Object} library Library/action object form params.
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* @param {Number} contentId
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* @param {jQuery} $attachTo An optional element to attach the instance to.
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* @param {Boolean} skipResize Optionally skip triggering of the resize event after attaching.
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* @return {Object} Instance.
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*/
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H5P.newRunnable = function (library, contentId, $attachTo, skipResize) {
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try {
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var nameSplit = library.library.split(' ', 2);
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var versionSplit = nameSplit[1].split('.', 2);
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}
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catch (err) {
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return H5P.error('Invalid library string: ' + library.library);
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}
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if ((library.params instanceof Object) !== true || (library.params instanceof Array) === true) {
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H5P.error('Invalid library params for: ' + library.library);
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return H5P.error(library.params);
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}
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// Find constructor function
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try {
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nameSplit = nameSplit[0].split('.');
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var constructor = window;
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for (var i = 0; i < nameSplit.length; i++) {
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constructor = constructor[nameSplit[i]];
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};
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if (typeof constructor !== 'function') {
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throw null;
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}
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}
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catch (err) {
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return H5P.error('Unable to find constructor for: ' + library.library);
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}
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var instance = new constructor(library.params, contentId);
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if (instance.$ === undefined) {
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instance.$ = H5P.jQuery(instance);
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}
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if ($attachTo !== undefined) {
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instance.attach($attachTo);
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if (skipResize === undefined || !skipResize) {
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// Resize content.
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instance.$.trigger('resize');
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}
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}
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return instance;
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};
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/**
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* Used to print useful error messages.
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*
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* @param {mixed} err Error to print.
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* @returns {undefined}
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*/
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H5P.error = function (err) {
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if (window['console'] !== undefined && console.error !== undefined) {
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console.error(err);
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}
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};
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/**
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* Translate text strings.
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*
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* @param {String} key Translation identifier, may only contain a-zA-Z0-9. No spaces or special chars.
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* @param {Object} vars Data for placeholders.
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* @param {String} ns Translation namespace. Defaults to H5P.
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* @returns {String} Text
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*/
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H5P.t = function (key, vars, ns) {
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if (ns === undefined) {
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ns = 'H5P';
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}
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if (H5PIntegration.i18n[ns] === undefined) {
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return '[Missing translation namespace "' + ns + '"]';
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}
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if (H5PIntegration.i18n[ns][key] === undefined) {
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return '[Missing translation "' + key + '" in "' + ns + '"]';
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}
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var translation = H5PIntegration.i18n[ns][key];
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if (vars !== undefined) {
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// Replace placeholder with variables.
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for (var placeholder in vars) {
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translation = translation.replace(placeholder, vars[placeholder]);
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}
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}
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return translation;
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};
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H5P.Dialog = function (name, title, content, $element) {
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var self = this;
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var $dialog = H5P.jQuery('<div class="h5p-popup-dialog h5p-' + name + '-dialog">\
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<div class="h5p-inner">\
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<h2>' + title + '</h2>\
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<div class="h5p-scroll-content">' + content + '</div>\
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<div class="h5p-close" role="button" tabindex="1" title="' + H5P.t('close') + '">\
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</div>\
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</div>')
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.insertAfter($element)
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.click(function () {
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self.close();
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})
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.children('.h5p-inner')
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.click(function () {
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return false;
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})
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.find('.h5p-close')
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.click(function () {
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self.close();
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})
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.end()
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.end();
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this.open = function () {
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setTimeout(function () {
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$dialog.addClass('h5p-open'); // Fade in
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// Triggering an event, in case something has to be done after dialog has been opened.
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H5P.jQuery(self).trigger('dialog-opened', [$dialog]);
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}, 1);
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};
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this.close = function () {
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$dialog.removeClass('h5p-open'); // Fade out
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setTimeout(function () {
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$dialog.remove();
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}, 200);
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};
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};
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/**
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* Gather copyright information and display in a dialog over the content.
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*
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* @param {jQuery} $element to insert dialog after.
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* @param {object} instance to get copyright information from.
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* @returns {undefined}
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*/
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H5P.openCopyrightsDialog = function ($element, instance) {
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var copyrights = instance.getCopyrights();
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if (copyrights !== undefined) {
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copyrights = copyrights.toString();
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}
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if (copyrights === undefined || copyrights === '') {
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copyrights = H5P.t('noCopyrights');
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}
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var dialog = new H5P.Dialog('copyrights', H5P.t('copyrightInformation'), copyrights, $element);
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dialog.open();
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};
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/**
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* Display a dialog containing the embed code.
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*
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* @param {jQuery} $element to insert dialog after.
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* @param {string} embed code.
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* @returns {undefined}
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*/
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H5P.openEmbedDialog = function ($element, embedCode) {
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var dialog = new H5P.Dialog('embed', H5P.t('embed'), '<textarea class="h5p-embed-code-container">' + embedCode + '</textarea>', $element);
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// Selecting embed code when dialog is opened
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H5P.jQuery(dialog).on('dialog-opened', function (event, $dialog) {
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$dialog.find('.h5p-embed-code-container').select();
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});
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dialog.open();
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};
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/**
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* Copyrights for a H5P Content Library.
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*/
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H5P.ContentCopyrights = function () {
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var label;
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var media = [];
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var content = [];
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/**
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* Public. Set label.
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*
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* @param {String} newLabel
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*/
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this.setLabel = function (newLabel) {
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label = newLabel;
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};
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/**
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* Public. Add sub content.
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*
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* @param {H5P.MediaCopyright} newMedia
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*/
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this.addMedia = function (newMedia) {
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if (newMedia !== undefined) {
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media.push(newMedia);
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}
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};
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/**
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* Public. Add sub content.
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*
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* @param {H5P.ContentCopyrights} newContent
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*/
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this.addContent = function (newContent) {
|
|
if (newContent !== undefined) {
|
|
content.push(newContent);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Public. Print content copyright.
|
|
*
|
|
* @returns {String} HTML.
|
|
*/
|
|
this.toString = function () {
|
|
var html = '';
|
|
|
|
// Add media rights
|
|
for (var i = 0; i < media.length; i++) {
|
|
html += media[i];
|
|
}
|
|
|
|
// Add sub content rights
|
|
for (var i = 0; i < content.length; i++) {
|
|
html += content[i];
|
|
}
|
|
|
|
|
|
if (html !== '') {
|
|
// Add a label to this info
|
|
if (label !== undefined) {
|
|
html = '<h3>' + label + '</h3>' + html;
|
|
}
|
|
|
|
// Add wrapper
|
|
html = '<div class="h5p-content-copyrights">' + html + '</div>';
|
|
}
|
|
|
|
return html;
|
|
};
|
|
};
|
|
|
|
/**
|
|
* A ordered list of copyright fields for media.
|
|
*
|
|
* @param {Object} copyright information fields.
|
|
* @param {Object} labels translation. Optional.
|
|
* @param {Array} order of fields. Optional.
|
|
* @param {Object} extraFields for copyright. Optional.
|
|
*/
|
|
H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
|
|
var thumbnail;
|
|
var list = new H5P.DefinitionList();
|
|
|
|
/**
|
|
* Private. Get translated label for field.
|
|
*
|
|
* @param {String} fieldName
|
|
* @return {String}
|
|
*/
|
|
var getLabel = function (fieldName) {
|
|
if (labels === undefined || labels[fieldName] === undefined) {
|
|
return H5P.t(fieldName);
|
|
}
|
|
|
|
return labels[fieldName];
|
|
};
|
|
|
|
/**
|
|
* Private. Get humanized value for field.
|
|
*
|
|
* @param {String} fieldName
|
|
* @return {String}
|
|
*/
|
|
var humanizeValue = function (fieldName, value) {
|
|
if (fieldName === 'license') {
|
|
return H5P.copyrightLicenses[value];
|
|
}
|
|
|
|
return value;
|
|
};
|
|
|
|
if (copyright !== undefined) {
|
|
// Add the extra fields
|
|
for (var field in extraFields) {
|
|
if (extraFields.hasOwnProperty(field)) {
|
|
copyright[field] = extraFields[field];
|
|
}
|
|
}
|
|
|
|
if (order === undefined) {
|
|
// Set default order
|
|
order = ['title', 'author', 'year', 'source', 'license'];
|
|
}
|
|
|
|
for (var i = 0; i < order.length; i++) {
|
|
var fieldName = order[i];
|
|
if (copyright[fieldName] !== undefined) {
|
|
list.add(new H5P.Field(getLabel(fieldName), humanizeValue(fieldName, copyright[fieldName])));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Public. Set thumbnail.
|
|
*
|
|
* @param {H5P.Thumbnail} newThumbnail
|
|
*/
|
|
this.setThumbnail = function (newThumbnail) {
|
|
thumbnail = newThumbnail;
|
|
};
|
|
|
|
/**
|
|
* Public. Checks if this copyright is undisclosed.
|
|
* I.e. only has the license attribute set, and it's undisclosed.
|
|
*
|
|
* @returns {Boolean}
|
|
*/
|
|
this.undisclosed = function () {
|
|
if (list.size() === 1) {
|
|
var field = list.get(0);
|
|
if (field.getLabel() === getLabel('license') && field.getValue() === humanizeValue('license', 'U')) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Public. Print media copyright.
|
|
*
|
|
* @returns {String} HTML.
|
|
*/
|
|
this.toString = function () {
|
|
var html = '';
|
|
|
|
if (this.undisclosed()) {
|
|
return html; // No need to print a copyright with a single undisclosed license.
|
|
}
|
|
|
|
if (thumbnail !== undefined) {
|
|
html += thumbnail;
|
|
}
|
|
html += list;
|
|
|
|
if (html !== '') {
|
|
html = '<div class="h5p-media-copyright">' + html + '</div>';
|
|
}
|
|
|
|
return html;
|
|
};
|
|
};
|
|
|
|
// Translate table for copyright license codes.
|
|
H5P.copyrightLicenses = {
|
|
'U': 'Undisclosed',
|
|
'CC BY': 'Attribution',
|
|
'CC BY-SA': 'Attribution-ShareAlike',
|
|
'CC BY-ND': 'Attribution-NoDerivs',
|
|
'CC BY-NC': 'Attribution-NonCommercial',
|
|
'CC BY-NC-SA': 'Attribution-NonCommercial-ShareAlike',
|
|
'CC BY-NC-ND': 'Attribution-NonCommercial-NoDerivs',
|
|
'GNU GPL': 'General Public License',
|
|
'PD': 'Public Domain',
|
|
'ODC PDDL': 'Public Domain Dedication and Licence',
|
|
'CC PDM': 'Public Domain Mark',
|
|
'C': 'Copyright'
|
|
};
|
|
|
|
/**
|
|
* Simple class for creating thumbnails for images.
|
|
*
|
|
* @param {String} source
|
|
* @param {Number} width
|
|
* @param {Number} height
|
|
*/
|
|
H5P.Thumbnail = function (source, width, height) {
|
|
var thumbWidth, thumbHeight = 100;
|
|
if (width !== undefined) {
|
|
thumbWidth = Math.round(thumbHeight * (width / height));
|
|
}
|
|
|
|
/**
|
|
* Public. Print thumbnail.
|
|
*
|
|
* @returns {String} HTML.
|
|
*/
|
|
this.toString = function () {
|
|
return '<img src="' + source + '" alt="' + H5P.t('thumbnail') + '" class="h5p-thumbnail" height="' + thumbHeight + '"' + (thumbWidth === undefined ? '' : ' width="' + thumbWidth + '"') + '/>';
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Simple data class for storing a single field.
|
|
*/
|
|
H5P.Field = function (label, value) {
|
|
/**
|
|
* Public. Get field label.
|
|
*
|
|
* @returns {String}
|
|
*/
|
|
this.getLabel = function () {
|
|
return label;
|
|
};
|
|
|
|
/**
|
|
* Public. Get field value.
|
|
*
|
|
* @returns {String}
|
|
*/
|
|
this.getValue = function () {
|
|
return value;
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Simple class for creating a definition list.
|
|
*/
|
|
H5P.DefinitionList = function () {
|
|
var fields = [];
|
|
|
|
/**
|
|
* Public. Add field to list.
|
|
*
|
|
* @param {H5P.Field} field
|
|
*/
|
|
this.add = function (field) {
|
|
fields.push(field);
|
|
};
|
|
|
|
/**
|
|
* Public. Get Number of fields.
|
|
*
|
|
* @returns {Number}
|
|
*/
|
|
this.size = function () {
|
|
return fields.length;
|
|
};
|
|
|
|
/**
|
|
* Public. Get field at given index.
|
|
*
|
|
* @param {Number} index
|
|
* @returns {Object}
|
|
*/
|
|
this.get = function (index) {
|
|
return fields[index];
|
|
};
|
|
|
|
/**
|
|
* Public. Print definition list.
|
|
*
|
|
* @returns {String} HTML.
|
|
*/
|
|
this.toString = function () {
|
|
var html = '';
|
|
for (var i = 0; i < fields.length; i++) {
|
|
var field = fields[i];
|
|
html += '<dt>' + field.getLabel() + '</dt><dd>' + field.getValue() + '</dd>';
|
|
}
|
|
return (html === '' ? html : '<dl class="h5p-definition-list">' + html + '</dl>');
|
|
};
|
|
};
|
|
|
|
/**
|
|
* THIS FUNCTION/CLASS IS DEPRECATED AND WILL BE REMOVED.
|
|
*
|
|
* Helper object for keeping coordinates in the same format all over.
|
|
*/
|
|
H5P.Coords = function (x, y, w, h) {
|
|
if ( !(this instanceof H5P.Coords) )
|
|
return new H5P.Coords(x, y, w, h);
|
|
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.w = 1;
|
|
this.h = 1;
|
|
|
|
if (typeof(x) === 'object') {
|
|
this.x = x.x;
|
|
this.y = x.y;
|
|
this.w = x.w;
|
|
this.h = x.h;
|
|
} else {
|
|
if (x !== undefined) {
|
|
this.x = x;
|
|
}
|
|
if (y !== undefined) {
|
|
this.y = y;
|
|
}
|
|
if (w !== undefined) {
|
|
this.w = w;
|
|
}
|
|
if (h !== undefined) {
|
|
this.h = h;
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Parse library string into values.
|
|
*
|
|
* @param {string} library
|
|
* library in the format "machineName majorVersion.minorVersion"
|
|
* @returns
|
|
* library as an object with machineName, majorVersion and minorVersion properties
|
|
* return false if the library parameter is invalid
|
|
*/
|
|
H5P.libraryFromString = function (library) {
|
|
var regExp = /(.+)\s(\d)+\.(\d)$/g;
|
|
var res = regExp.exec(library);
|
|
if (res !== null) {
|
|
return {
|
|
'machineName': res[1],
|
|
'majorVersion': res[2],
|
|
'minorVersion': res[3]
|
|
};
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get the path to the library
|
|
*
|
|
* @param {String} library
|
|
* The library identifier in the format "machineName-majorVersion.minorVersion".
|
|
* @returns {String} The full path to the library.
|
|
*/
|
|
H5P.getLibraryPath = function (library) {
|
|
return H5PIntegration.getLibraryPath(library);
|
|
};
|
|
|
|
/**
|
|
* Recursivly clone the given object.
|
|
* TODO: Consider if this needs to be in core. Doesn't $.extend do the same?
|
|
*
|
|
* @param {object} object Object to clone.
|
|
* @param {type} recursive
|
|
* @returns {object} A clone of object.
|
|
*/
|
|
H5P.cloneObject = function (object, recursive) {
|
|
var clone = object instanceof Array ? [] : {};
|
|
|
|
for (var i in object) {
|
|
if (object.hasOwnProperty(i)) {
|
|
if (recursive !== undefined && recursive && typeof object[i] === 'object') {
|
|
clone[i] = H5P.cloneObject(object[i], recursive);
|
|
}
|
|
else {
|
|
clone[i] = object[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
return clone;
|
|
};
|
|
|
|
/**
|
|
* Remove all empty spaces before and after the value.
|
|
* TODO: Only include this or String.trim(). What is best?
|
|
*
|
|
* @param {String} value
|
|
* @returns {@exp;value@call;replace}
|
|
*/
|
|
H5P.trim = function (value) {
|
|
return value.replace(/^\s+|\s+$/g, '');
|
|
};
|
|
|
|
/**
|
|
* Check if javascript path/key is loaded.
|
|
*
|
|
* @param {String} path
|
|
* @returns {Boolean}
|
|
*/
|
|
H5P.jsLoaded = function (path) {
|
|
for (var i = 0; i < H5P.loadedJs.length; i++) {
|
|
if (H5P.loadedJs[i] === path) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Check if styles path/key is loaded.
|
|
*
|
|
* @param {String} path
|
|
* @returns {Boolean}
|
|
*/
|
|
H5P.cssLoaded = function (path) {
|
|
for (var i = 0; i < H5P.loadedCss.length; i++) {
|
|
if (H5P.loadedCss[i] === path) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Shuffle an array in place.
|
|
* TODO: Consider if this should be a part of core. I'm guessing very few libraries are going to use it.
|
|
*
|
|
* @param {array} array Array to shuffle
|
|
* @returns {array} The passed array is returned for chaining.
|
|
*/
|
|
H5P.shuffleArray = function (array) {
|
|
if (! array instanceof Array) {
|
|
return;
|
|
}
|
|
|
|
var i = array.length, j, tempi, tempj;
|
|
if ( i === 0 ) return false;
|
|
while ( --i ) {
|
|
j = Math.floor( Math.random() * ( i + 1 ) );
|
|
tempi = array[i];
|
|
tempj = array[j];
|
|
array[i] = tempj;
|
|
array[j] = tempi;
|
|
}
|
|
return array;
|
|
};
|
|
|
|
/**
|
|
* Post finished results for user.
|
|
* TODO: Should we use events instead? That way the parent can handle the results of the child.
|
|
*
|
|
* @param {Number} contentId
|
|
* @param {Number} points
|
|
* @param {Number} maxPoints
|
|
*/
|
|
H5P.setFinished = function (contentId, points, maxPoints) {
|
|
if (H5P.postUserStatistics === true) {
|
|
H5P.jQuery.post(H5P.ajaxPath + 'setFinished', {contentId: contentId, points: points, maxPoints: maxPoints});
|
|
}
|
|
};
|
|
|
|
// Add indexOf to browsers that lack them. (IEs)
|
|
if (!Array.prototype.indexOf) {
|
|
Array.prototype.indexOf = function (needle) {
|
|
for (var i = 0; i < this.length; i++) {
|
|
if (this[i] === needle) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
}
|
|
|
|
// Need to define trim() since this is not available on older IEs,
|
|
// and trim is used in several libs
|
|
if (String.prototype.trim === undefined) {
|
|
String.prototype.trim = function () {
|
|
return H5P.trim(this);
|
|
};
|
|
}
|
|
|
|
// Finally, we want to run init when document is ready. But not if we're
|
|
// in an iFrame. Then we wait for parent to start init().
|
|
if (H5P.jQuery) {
|
|
H5P.jQuery(document).ready(function () {
|
|
if (!H5P.initialized) {
|
|
H5P.initialized = true;
|
|
H5P.init();
|
|
}
|
|
});
|
|
}
|