242 lines
7.1 KiB
JavaScript
242 lines
7.1 KiB
JavaScript
/**
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* From https://en.wikipedia.org/wiki/User:Nageh/mathJax.js
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*/
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/*global mathJax:true, MathJax:true */
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( function ( mw, $ ) {
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'use strict';
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if( ! mw.user.options.get( 'mathJax' ) ) {
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return true;
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}
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if ( typeof mathJax === 'undefined' ) {
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window.mathJax = {};
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}
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mathJax.version = '0.2';
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mathJax.loaded = false;
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mathJax.locale = mw.config.get( 'wgUserLanguage' );
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// See http://docs.mathjax.org/en/latest/options/index.html
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mathJax.config = $.extend( true, {
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root: mw.config.get( 'wgExtensionAssetsPath' ) + '/Math/modules/MathJax/unpacked',
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'v1.0-compatible': false,
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menuSettings: {
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zoom: 'Click'
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},
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'HTML-CSS': {
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imageFont: null,
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mtextFontInherit: true
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},
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MathMenu: {
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showLocale: false
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},
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jax: ['input/TeX','input/MathML','output/NativeMML','output/HTML-CSS']
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}, mathJax.config );
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/**
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* @param {string} relative path to a MathJax file
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* @return {string} MediaWiki module containing the file
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*/
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mathJax.getModuleNameFromFile = function ( file ) {
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var regexp, module;
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// These modules are loaded at startup and thus don't need to be specified:
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// - ext.math.mathjax.mathjax in mathJax.Load
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// - ext.math.mathjax.localization in mathJax.Init
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// - ext.math.mathjax.jax.config in MathJax.Hub.Startup.Jax
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// - ext.math.mathjax.extensions in MathJax.Hub.Startup.Extensions
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//
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module = 'ext.math.mathjax.';
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regexp = file.match( /(.*)\/jax\.js/ );
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if ( regexp ) {
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// These are jax.js files of input, element or output modules:
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// - ext.math.mathjax.jax.input.MathML
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// - ext.math.mathjax.jax.input.TeX
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// - ext.math.mathjax.jax.output.HTML-CSS
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// - ext.math.mathjax.jax.output.NativeMML
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// - ext.math.mathjax.jax.output.HTML-CSS
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// - ext.math.mathjax.jax.output.SVG
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return module + regexp[1].replace( /\//g, '.' );
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}
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if ( file.match( /jax\/element\/mml\/optable/ ) ) {
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return module + 'jax.element.mml.optable';
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}
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regexp = file.match( /jax\/output\/(HTML-CSS|SVG)/ );
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if ( regexp ) {
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module += 'jax.output.' + regexp[1] + '.';
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if ( file.match( /autoload/ ) ) {
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return module + 'autoload';
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}
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if ( file.match( /fonts\/TeX\/fontdata/ ) ) {
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return module + 'fonts.TeX.fontdata';
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}
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if ( file.match( /fonts\/TeX\/.*\/.*\/Main\.js/ ) ) {
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return module + 'fonts.TeX.MainJS';
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}
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if ( file.match( /fonts\/TeX\/Main/ ) ) {
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return module + 'fonts.TeX.Main';
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}
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if ( file.match( /fonts\/TeX\/AMS/ ) ) {
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return module + 'fonts.TeX.AMS';
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}
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if ( file.match( /fonts\/TeX/ ) ) {
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return module + 'fonts.TeX.Extra';
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}
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}
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mw.log( 'MathJax resource not handled by MediaWiki: ' + file );
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return null;
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};
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/**
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* Configure MathJax, preload some files and replace MathJax's resource loader
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* by our own resource loader.
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*/
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mathJax.Init = function () {
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// Configure MathJax
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MathJax.Hub.Config( mathJax.config );
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MathJax.OutputJax.fontDir = mw.config.get( 'wgExtensionAssetsPath' ) + '/Math/modules/MathJax/fonts';
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// Redefine MathJax.Hub.Startup.Jax
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MathJax.Hub.Startup.Jax = function () {
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var config, jax, i, k, name, queue, callback;
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// Save the order of the output jax since they are loading asynchronously
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config = MathJax.Hub.config;
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jax = MathJax.Hub.outputJax;
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for ( i = 0, k = 0; i < config.jax.length; i++ ) {
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name = config.jax[i].substr( 7 );
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if ( config.jax[i].substr( 0,7 ) === 'output/' && jax.order[name] === null ) {
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jax.order[name] = k;
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k++;
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}
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}
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queue = MathJax.Callback.Queue();
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callback = MathJax.Callback( {} );
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return queue.Push(
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['Post', MathJax.Hub.Startup.signal, 'Begin Jax'],
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['using', mw.loader, 'ext.math.mathjax.jax.config', callback],
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callback,
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['Post', MathJax.Hub.Startup.signal, 'End Jax']
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);
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};
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// Redefine MathJax.Hub.Startup.Extensions
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MathJax.Hub.Startup.Extensions = function () {
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var queue, callback;
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queue = MathJax.Callback.Queue();
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callback = MathJax.Callback( {} );
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return queue.Push(
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['Post', MathJax.Hub.Startup.signal, 'Begin Extensions'],
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['using', mw.loader, 'ext.math.mathjax.extensions', callback],
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callback,
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['Post', MathJax.Hub.Startup.signal, 'End Extensions']
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);
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};
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// Redefine MathJax.Ajax.Load
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MathJax.Ajax.MathJaxLoad = MathJax.Ajax.Load;
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MathJax.Ajax.Load = function ( file, callback ) {
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var type, i, module;
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callback = MathJax.Callback( callback );
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if ( file instanceof Object ) {
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for ( i in file ) {
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if ( file.hasOwnProperty( i ) ) {
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type = i.toUpperCase();
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file = file[i];
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}
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}
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} else {
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type = file.split( /\./ ).pop().toUpperCase();
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}
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file = MathJax.Ajax.fileURL( file );
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if ( MathJax.Ajax.loading[file] ) {
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MathJax.Ajax.addHook( file, callback );
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} else {
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if ( MathJax.Ajax.loader[type] ) {
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module = mathJax.getModuleNameFromFile( file.substring( MathJax.Hub.config.root.length + 1 ) );
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if ( module ) {
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// Use MediaWiki's resource loader.
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MathJax.Ajax.loading[file] = {
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callback: callback,
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timeout: -1,
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status: this.STATUS.OK,
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script: null
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};
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// Add this to the structure above after it is created to prevent
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// recursion when loading the initial localization file (before
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// loading message is available)
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MathJax.Ajax.loading[file].message = MathJax.Message.File( file );
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mw.loader.load( module );
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} else {
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// Fallback to MathJax's own loader.
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callback = MathJax.Ajax.MathJaxLoad( file, callback );
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}
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} else {
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throw new Error( 'Can\'t load files of type ' + type );
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}
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}
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return callback;
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};
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// Register the final action after MathJax processing: hide
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// SVG/PNG preview if thas was not done before and show MathJax's output.
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MathJax.Hub.Startup.signal.MessageHook( 'End', function () {
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mw.loader.load( 'ext.math.mathml' );
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} );
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// Set MathJax's locale and load the localization data.
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MathJax.Localization.resetLocale( mathJax.locale );
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mathJax.locale = MathJax.Localization.locale;
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MathJax.Hub.config.menuSettings.locale = mathJax.locale;
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mw.loader.using( 'ext.math.mathjax.localization', function () {
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MathJax.Hub.Configured();
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} );
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};
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/**
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* Renders all Math TeX inside the given elements.
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* @param {function} callback to be executed after text elements have rendered [optional]
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*/
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$.fn.renderTex = function () {
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mathJax.LoadAndRender( this );
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return this;
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};
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mw.log.deprecate( $.fn, 'renderTex', $.fn.renderTex,
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'Use the mw.hook wikipage.content instead' );
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mathJax.LoadAndRender = function ( $content ) {
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// create the global MathJax variable to hook into MathJax startup
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if( typeof MathJax === 'undefined' ) {
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window.MathJax = {
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delayStartupUntil: 'configured',
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skipStartupTypeset: true,
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AuthorInit: mathJax.Init
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};
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}
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function render() {
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var elem = $content.toArray();
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MathJax.Hub.Queue( ['Typeset', MathJax.Hub, elem] );
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}
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if ( MathJax.isReady ) {
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render();
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} else {
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mw.loader.using( 'ext.math.mathjax.mathjax', function () {
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MathJax.Hub.Startup.signal.MessageHook( 'End', render );
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} );
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}
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};
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mw.hook( 'wikipage.content' ).add( mathJax.LoadAndRender );
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}( mediaWiki, jQuery ) );
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