107 lines
4.2 KiB
JavaScript
107 lines
4.2 KiB
JavaScript
// This file is designed to load all the XModule Javascript files in one wad
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// using requirejs. It is passed through the Mako template system, which
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// populates the `urls` variable with a list of paths to XModule JS files.
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// These files assume that several libraries are available and bound to
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// variables in the global context, so we load those libraries with requirejs
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// and attach them to the global context manually.
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define(
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[
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'jquery', 'underscore', 'codemirror', 'tinymce', 'scriptjs',
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'jquery.tinymce', 'jquery.qtip', 'jquery.scrollTo', 'jquery.flot',
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'jquery.cookie',
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'utility'
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],
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function($, _, CodeMirror, tinymce, $script) {
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'use strict';
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window.$ = $;
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window._ = _;
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$script(
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'https://cdn.jsdelivr.net/npm/mathjax@2.7.5/MathJax.js'
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+ '?config=TeX-MML-AM_SVG&delayStartupUntil=configured',
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'mathjax',
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function() {
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window.MathJax.Hub.Config({
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tex2jax: {
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inlineMath: [
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['\\(', '\\)'],
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['[mathjaxinline]', '[/mathjaxinline]']
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],
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displayMath: [
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['\\[', '\\]'],
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['[mathjax]', '[/mathjax]']
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]
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},
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CommonHTML: {linebreaks: {automatic: true}},
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SVG: {linebreaks: {automatic: true}},
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'HTML-CSS': {linebreaks: {automatic: true}},
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});
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// In order to eliminate all flashing during interactive
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// preview, it is necessary to set processSectionDelay to 0
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// (remove delay between input and output phases). This
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// effectively disables fast preview, regardless of
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// the fast preview setting as shown in the context menu.
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window.MathJax.Hub.processSectionDelay = 0;
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window.MathJax.Hub.Configured();
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window.addEventListener('resize', MJrenderer);
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let t = -1;
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// eslint-disable-next-line prefer-const
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let delay = 1000;
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let oldWidth = document.documentElement.scrollWidth;
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function MJrenderer() {
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// don't rerender if the window is the same size as before
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if (t >= 0) {
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window.clearTimeout(t);
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}
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if (oldWidth !== document.documentElement.scrollWidth) {
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t = window.setTimeout(function() {
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oldWidth = document.documentElement.scrollWidth;
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MathJax.Hub.Queue(['Rerender', MathJax.Hub]);
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t = -1;
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}, delay);
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}
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}
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}
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);
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window.CodeMirror = CodeMirror;
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window.RequireJS = {
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requirejs: {}, // This is never used by current xmodules
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require: $script, // $script([deps], callback) acts approximately like the require function
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define: define
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};
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/**
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* Loads all modules one-by-one in exact order.
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* The module should be used until we'll use RequireJS for XModules.
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* @param {Array} modules A list of urls.
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* @return {jQuery Promise}
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* */
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function requireQueue(modules) {
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var deferred = $.Deferred();
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function loadScript(queue) {
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$script.ready('mathjax', function() {
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// Loads the next script if queue is not empty.
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if (queue.length) {
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$script([queue.shift()], function() {
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loadScript(queue);
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});
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} else {
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deferred.resolve();
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}
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});
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}
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loadScript(modules.concat());
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return deferred.promise();
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}
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// if (!window.xmoduleUrls) {
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// throw Error('window.xmoduleUrls must be defined');
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// }
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return requireQueue([]);
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}
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);
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