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action.js (2747B)

      1 /* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
      2 /* vim: set ts=2 et sw=2 tw=80: */
      3 
      4 /*************************************************************
      5  *
      6  *  MathJax/extensions/TeX/action.js
      7  *  
      8  *  Implements the \mathtip, \texttip, and \toggle macros, which give
      9  *  access from TeX to the <maction> tag in the MathML that underlies
     10  *  MathJax's internal format.
     11  *  
     12  *  Usage:
     13  *  
     14  *      \mathtip{math}{tip}        % use "tip" (in math mode) as tooltip for "math"
     15  *      \texttip{math}{tip}        % use "tip" (in text mode) as tooltip for "math"
     16  *      \toggle{math1}{math2}...\endtoggle
     17  *                                 % show math1, and when clicked, show math2, and so on.
     18  *                                 %   When the last one is clicked, go back to math1.   
     19  *  
     20  *  ---------------------------------------------------------------------
     21  *  
     22  *  Copyright (c) 2011-2015 The MathJax Consortium
     23  * 
     24  *  Licensed under the Apache License, Version 2.0 (the "License");
     25  *  you may not use this file except in compliance with the License.
     26  *  You may obtain a copy of the License at
     27  * 
     28  *      http://www.apache.org/licenses/LICENSE-2.0
     29  * 
     30  *  Unless required by applicable law or agreed to in writing, software
     31  *  distributed under the License is distributed on an "AS IS" BASIS,
     32  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     33  *  See the License for the specific language governing permissions and
     34  *  limitations under the License.
     35  */
     36 
     37 MathJax.Extension["TeX/action"] = {
     38   version: "2.6.0"
     39 };
     40   
     41 MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
     42   var TEX = MathJax.InputJax.TeX,
     43       MML = MathJax.ElementJax.mml;
     44   
     45   //
     46   //  Set up control sequenecs
     47   //
     48   TEX.Definitions.Add({
     49     macros: {
     50       toggle:  'Toggle',
     51       mathtip: 'Mathtip',
     52       texttip: ['Macro','\\mathtip{#1}{\\text{#2}}',2]
     53     }
     54   },null,true);
     55 
     56   TEX.Parse.Augment({
     57 
     58     //
     59     //  Implement \toggle {math1} {math2} ... \endtoggle
     60     //    (as an <maction actiontype="toggle">)
     61     //
     62     Toggle: function (name) {
     63       var data = [], arg;
     64       while ((arg = this.GetArgument(name)) !== "\\endtoggle")
     65         {data.push(TEX.Parse(arg,this.stack.env).mml())}
     66       this.Push(MML.maction.apply(MML,data).With({actiontype: MML.ACTIONTYPE.TOGGLE}));
     67     },
     68 
     69     //
     70     //  Implement \mathtip{math}{tip}
     71     //    (an an <maction actiontype="tooltip">)
     72     //
     73     Mathtip: function(name) {
     74       var arg = this.ParseArg(name), tip = this.ParseArg(name);
     75       this.Push(MML.maction(arg,tip).With({actiontype: MML.ACTIONTYPE.TOOLTIP}));
     76     }
     77   });
     78 
     79   MathJax.Hub.Startup.signal.Post("TeX action Ready");
     80   
     81 });
     82 
     83 MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/action.js");