1026 lines
40 KiB
JavaScript
1026 lines
40 KiB
JavaScript
/*************************************************************
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*
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* MathJax/extensions/MathMenu.js
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*
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* Implements a right-mouse (or CTRL-click) menu over mathematics
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* elements that gives the user the ability to copy the source,
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* change the math size, and zoom settings.
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*
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* ---------------------------------------------------------------------
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*
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* Copyright (c) 2010-2012 Design Science, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function (HUB,HTML,AJAX,CALLBACK,OUTPUT) {
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var VERSION = "2.0";
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var SIGNAL = MathJax.Callback.Signal("menu") // signal for menu events
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MathJax.Extension.MathMenu = {
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version: VERSION,
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signal: SIGNAL
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};
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var isPC = HUB.Browser.isPC, isMSIE = HUB.Browser.isMSIE, isIE9 = ((document.documentMode||0) > 8);
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var ROUND = (isPC ? null : "5px");
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var CONFIG = HUB.CombineConfig("MathMenu",{
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delay: 150, // the delay for submenus
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helpURL: "http://www.mathjax.org/help-v2/user/", // the URL for the "MathJax Help" menu
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closeImg: AJAX.fileURL(OUTPUT.imageDir+"/CloseX-31.png"), // image for close "X" for mobiles
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showRenderer: true, // show the "Math Renderer" menu?
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showMathPlayer: true, // show the "MathPlayer" menu?
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showFontMenu: false, // show the "Font Preference" menu?
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showContext: false, // show the "Context Menu" menu?
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showDiscoverable: false, // show the "Discoverable" menu?
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windowSettings: { // for source window
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status: "no", toolbar: "no", locationbar: "no", menubar: "no",
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directories: "no", personalbar: "no", resizable: "yes", scrollbars: "yes",
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width: 100, height: 50
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},
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styles: {
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"#MathJax_About": {
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position:"fixed", left:"50%", width:"auto", "text-align":"center",
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border:"3px outset", padding:"1em 2em", "background-color":"#DDDDDD", color:"black",
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cursor: "default", "font-family":"message-box", "font-size":"120%",
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"font-style":"normal", "text-indent":0, "text-transform":"none",
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"line-height":"normal", "letter-spacing":"normal", "word-spacing":"normal",
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"word-wrap":"normal", "white-space":"nowrap", "float":"none", "z-index":201,
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"border-radius": "15px", // Opera 10.5 and IE9
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"-webkit-border-radius": "15px", // Safari and Chrome
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"-moz-border-radius": "15px", // Firefox
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"-khtml-border-radius": "15px", // Konqueror
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"box-shadow":"0px 10px 20px #808080", // Opera 10.5 and IE9
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"-webkit-box-shadow":"0px 10px 20px #808080", // Safari 3 and Chrome
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"-moz-box-shadow":"0px 10px 20px #808080", // Forefox 3.5
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"-khtml-box-shadow":"0px 10px 20px #808080", // Konqueror
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filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE
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},
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".MathJax_Menu": {
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position:"absolute", "background-color":"white", color:"black",
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width:"auto", padding:(isPC ? "2px" : "5px 0px"),
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border:"1px solid #CCCCCC", margin:0, cursor:"default",
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font: "menu", "text-align":"left", "text-indent":0, "text-transform":"none",
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"line-height":"normal", "letter-spacing":"normal", "word-spacing":"normal",
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"word-wrap":"normal", "white-space":"nowrap", "float":"none", "z-index":201,
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"border-radius": ROUND, // Opera 10.5 and IE9
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"-webkit-border-radius": ROUND, // Safari and Chrome
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"-moz-border-radius": ROUND, // Firefox
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"-khtml-border-radius": ROUND, // Konqueror
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"box-shadow":"0px 10px 20px #808080", // Opera 10.5 and IE9
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"-webkit-box-shadow":"0px 10px 20px #808080", // Safari 3 and Chrome
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"-moz-box-shadow":"0px 10px 20px #808080", // Forefox 3.5
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"-khtml-box-shadow":"0px 10px 20px #808080", // Konqueror
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filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE
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},
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".MathJax_MenuItem": {
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padding: (isPC ? "2px 2em" : "1px 2em"),
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background:"transparent"
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},
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".MathJax_MenuTitle": {
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"background-color":"#CCCCCC",
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margin: (isPC ? "-1px -1px 1px -1px" : "-5px 0 0 0"),
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"text-align":"center", "font-style":"italic", "font-size":"80%", color:"#444444",
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padding:"2px 0", overflow:"hidden"
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},
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".MathJax_MenuArrow": {
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position:"absolute", right:".5em", color:"#666666",
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"font-family": (isMSIE ? "'Arial unicode MS'" : null)
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},
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".MathJax_MenuActive .MathJax_MenuArrow": {color:"white"},
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".MathJax_MenuCheck": {
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position:"absolute", left:".7em",
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"font-family": (isMSIE ? "'Arial unicode MS'" : null)
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},
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".MathJax_MenuRadioCheck": {
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position:"absolute", left: (isPC ? "1em" : ".7em")
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},
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".MathJax_MenuLabel": {
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padding: (isPC ? "2px 2em 4px 1.33em" : "1px 2em 3px 1.33em"),
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"font-style":"italic"
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},
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".MathJax_MenuRule": {
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"border-top": (isPC ? "1px solid #CCCCCC" : "1px solid #DDDDDD"),
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margin: (isPC ? "4px 1px 0px" : "4px 3px")
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},
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".MathJax_MenuDisabled": {
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color:"GrayText"
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},
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".MathJax_MenuActive": {
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"background-color": (isPC ? "Highlight" : "#606872"),
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color: (isPC ? "HighlightText" : "white")
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},
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".MathJax_Menu_Close": {
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position:"absolute",
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width: "31px", height: "31px",
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top:"-15px", left:"-15px"
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}
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}
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});
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var FALSE, HOVER;
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HUB.Register.StartupHook("MathEvents Ready",function () {
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FALSE = MathJax.Extension.MathEvents.Event.False;
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HOVER = MathJax.Extension.MathEvents.Hover;
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});
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/*************************************************************/
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/*
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* The main menu class
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*/
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var MENU = MathJax.Menu = MathJax.Object.Subclass({
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version: VERSION,
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items: [],
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posted: false,
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title: null,
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margin: 5,
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Init: function (def) {this.items = [].slice.call(arguments,0)},
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With: function (def) {if (def) {HUB.Insert(this,def)}; return this},
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/*
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* Display the menu
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*/
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Post: function (event,parent) {
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if (!event) {event = window.event};
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var title = (!this.title ? null : [["div",{className: "MathJax_MenuTitle"},[this.title]]]);
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var div = document.getElementById("MathJax_MenuFrame");
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if (!div) {
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div = MENU.Background(this);
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delete ITEM.lastItem; delete ITEM.lastMenu;
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delete MENU.skipUp;
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SIGNAL.Post(["post",MENU.jax]);
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}
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var menu = HTML.addElement(div,"div",{
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onmouseup: MENU.Mouseup, ondblclick: FALSE,
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ondragstart: FALSE, onselectstart: FALSE, oncontextmenu: FALSE,
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menuItem: this, className: "MathJax_Menu"
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},title);
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for (var i = 0, m = this.items.length; i < m; i++) {this.items[i].Create(menu)}
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if (MENU.isMobile) {
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HTML.addElement(menu,"span",{
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className: "MathJax_Menu_Close", menu: parent,
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ontouchstart: MENU.Close, ontouchend: FALSE, onmousedown: MENU.Close, onmouseup: FALSE
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},[["img",{src: CONFIG.closeImg, style:{width:"100%",height:"100%"}}]]);
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}
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this.posted = true;
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menu.style.width = (menu.offsetWidth+2) + "px";
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var x = event.pageX, y = event.pageY;
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if (!x && !y) {
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x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
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y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
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}
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if (!parent) {
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if (x + menu.offsetWidth > document.body.offsetWidth - this.margin)
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{x = document.body.offsetWidth - menu.offsetWidth - this.margin}
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if (MENU.isMobile) {x = Math.max(5,x-Math.floor(menu.offsetWidth/2)); y -= 20}
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MENU.skipUp = event.isContextMenu;
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} else {
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var side = "left", mw = parent.offsetWidth;
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x = (MENU.isMobile ? 30 : mw - 2); y = 0;
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while (parent && parent !== div) {
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x += parent.offsetLeft; y += parent.offsetTop;
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parent = parent.parentNode;
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}
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if (x + menu.offsetWidth > document.body.offsetWidth - this.margin && !MENU.isMobile)
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{side = "right"; x = Math.max(this.margin,x - mw - menu.offsetWidth + 6)}
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if (!isPC) {
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// in case these ever get implemented
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menu.style["borderRadiusTop"+side] = 0; // Opera 10.5
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menu.style["WebkitBorderRadiusTop"+side] = 0; // Safari and Chrome
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menu.style["MozBorderRadiusTop"+side] = 0; // Firefox
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menu.style["KhtmlBorderRadiusTop"+side] = 0; // Konqueror
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}
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}
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menu.style.left = x+"px"; menu.style.top = y+"px";
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if (document.selection && document.selection.empty) {document.selection.empty()}
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return FALSE(event);
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},
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/*
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* Remove the menu from the screen
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*/
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Remove: function (event,menu) {
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SIGNAL.Post(["unpost",MENU.jax]);
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var div = document.getElementById("MathJax_MenuFrame");
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if (div) {
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div.parentNode.removeChild(div);
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if (this.msieFixedPositionBug) {detachEvent("onresize",MENU.Resize)}
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}
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if (MENU.jax.hover) {
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delete MENU.jax.hover.nofade;
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HOVER.UnHover(MENU.jax);
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}
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return FALSE(event);
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},
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/*
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* Find a named item in a menu (or submenu).
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* A list of names means descend into submenus.
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*/
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Find: function (name) {
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var names = [].slice.call(arguments,1);
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for (var i = 0, m = this.items.length; i < m; i++) {
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if (this.items[i].name === name) {
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if (names.length) {
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if (!this.items[i].menu) {return null}
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return this.items[i].menu.Find.apply(this.items[i].menu,names);
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}
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return this.items[i];
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}
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}
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return null;
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},
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/*
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* Find the index of a menu item (so we can insert before or after it)
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*/
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IndexOf: function (name) {
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for (var i = 0, m = this.items.length; i < m; i++)
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{if (this.items[i].name === name) {return i}}
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return null;
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}
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},{
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config: CONFIG,
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div: null, // the DOM elements for the menu and submenus
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Close: function (event)
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{return MENU.Event(event,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},
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Remove: function (event) {return MENU.Event(event,this,"Remove")},
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Mouseover: function (event) {return MENU.Event(event,this,"Mouseover")},
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Mouseout: function (event) {return MENU.Event(event,this,"Mouseout")},
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Mousedown: function (event) {return MENU.Event(event,this,"Mousedown")},
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Mouseup: function (event) {return MENU.Event(event,this,"Mouseup")},
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Touchstart: function (event) {return MENU.Event(event,this,"Touchstart")},
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Touchend: function (event) {return MENU.Event(event,this,"Touchend")},
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Event: function (event,menu,type,force) {
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if (MENU.skipMouseover && type === "Mouseover" && !force) {return FALSE(event)}
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if (MENU.skipUp) {
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if (type.match(/Mouseup|Touchend/)) {delete MENU.skipUp; return FALSE(event)}
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if (type === "Touchstart" ||
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(type === "Mousedown" && !MENU.skipMousedown)) {delete MENU.skipUp}
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}
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if (!event) {event = window.event}
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var item = menu.menuItem;
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if (item && item[type]) {return item[type](event,menu)}
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return null;
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},
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/*
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* Style for the background DIV
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*/
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BGSTYLE: {
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position:"absolute", left:0, top:0, "z-index":200,
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width:"100%", height:"100%", border:0, padding:0, margin:0
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},
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Background: function (menu) {
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var div = HTML.addElement(document.body,"div",{style:this.BGSTYLE, id:"MathJax_MenuFrame"},
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[["div",{style: this.BGSTYLE, menuItem: menu, onmousedown: this.Remove}]]);
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var bg = div.firstChild;
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if (menu.msieBackgroundBug) {
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// MSIE doesn't allow transparent background to be hit boxes, so
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// fake it using opacity with solid background color
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bg.style.backgroundColor = "white"; bg.style.filter = "alpha(opacity=0)";
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}
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if (menu.msieFixedPositionBug) {
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// MSIE can't do fixed position, so use a full-sized background
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// and an onresize handler to update it (stupid, but necessary)
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div.width = div.height = 0; this.Resize();
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attachEvent("onresize",this.Resize);
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} else {
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// otherwise, use a fixed position DIV to cover the viewport
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bg.style.position = "fixed";
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}
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return div;
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},
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Resize: function () {setTimeout(MENU.SetWH,0)},
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SetWH: function () {
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var bg = document.getElementById("MathJax_MenuFrame");
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if (bg) {
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bg = bg.firstChild;
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bg.style.width = bg.style.height = "1px"; // so scrollWidth/Height will be right below
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bg.style.width = document.body.scrollWidth + "px";
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bg.style.height = document.body.scrollHeight + "px";
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}
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},
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saveCookie: function () {HTML.Cookie.Set("menu",this.cookie)},
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getCookie: function () {this.cookie = HTML.Cookie.Get("menu")},
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//
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// Preload images so they show up with the menu
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//
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getImages: function () {
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if (MENU.isMobile) {var close = new Image(); close.src = CONFIG.closeImg}
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}
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});
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/*************************************************************/
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/*
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* The menu item root subclass
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*/
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var ITEM = MENU.ITEM = MathJax.Object.Subclass({
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name: "", // the menu item's label
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Create: function (menu) {
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if (!this.hidden) {
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var def = {
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onmouseover: MENU.Mouseover, onmouseout: MENU.Mouseout,
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onmouseup: MENU.Mouseup, onmousedown: MENU.Mousedown,
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ondragstart: FALSE, onselectstart: FALSE, onselectend: FALSE,
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ontouchstart: MENU.Touchstart, ontouchend: MENU.Touchend,
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className: "MathJax_MenuItem", menuItem: this
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};
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if (this.disabled) {def.className += " MathJax_MenuDisabled"}
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HTML.addElement(menu,"div",def,this.Label(def,menu));
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}
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},
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Mouseover: function (event,menu) {
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if (!this.disabled) {this.Activate(menu)}
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if (!this.menu || !this.menu.posted) {
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var menus = document.getElementById("MathJax_MenuFrame").childNodes,
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items = menu.parentNode.childNodes;
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for (var i = 0, m = items.length; i < m; i++) {
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var item = items[i].menuItem;
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if (item && item.menu && item.menu.posted) {item.Deactivate(items[i])}
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}
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m = menus.length-1;
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while (m >= 0 && menu.parentNode.menuItem !== menus[m].menuItem) {
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menus[m].menuItem.posted = false;
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menus[m].parentNode.removeChild(menus[m]);
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m--;
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}
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if (this.Timer && !MENU.isMobile) {this.Timer(event,menu)}
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}
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},
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Mouseout: function (event,menu) {
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if (!this.menu || !this.menu.posted) {this.Deactivate(menu)}
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if (this.timer) {clearTimeout(this.timer); delete this.timer}
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},
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Mouseup: function (event,menu) {return this.Remove(event,menu)},
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Touchstart: function (event,menu) {return this.TouchEvent(event,menu,"Mousedown")},
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Touchend: function (event,menu) {return this.TouchEvent(event,menu,"Mouseup")},
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TouchEvent: function (event,menu,type) {
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if (this !== ITEM.lastItem) {
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if (ITEM.lastMenu) {MENU.Event(event,ITEM.lastMenu,"Mouseout")}
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MENU.Event(event,menu,"Mouseover",true);
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ITEM.lastItem = this; ITEM.lastMenu = menu;
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}
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if (this.nativeTouch) {return null}
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MENU.Event(event,menu,type);
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return false;
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},
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Remove: function (event,menu) {
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menu = menu.parentNode.menuItem;
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return menu.Remove(event,menu);
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},
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Activate: function (menu) {this.Deactivate(menu); menu.className += " MathJax_MenuActive"},
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Deactivate: function (menu) {menu.className = menu.className.replace(/ MathJax_MenuActive/,"")},
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With: function (def) {if (def) {HUB.Insert(this,def)}; return this}
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});
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/*************************************************************/
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/*
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* A menu item that performs a command when selected
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*/
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MENU.ITEM.COMMAND = MENU.ITEM.Subclass({
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action: function () {},
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Init: function (name,action,def) {
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this.name = name; this.action = action;
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this.With(def);
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},
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Label: function (def,menu) {return [this.name]},
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Mouseup: function (event,menu) {
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if (!this.disabled) {
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this.Remove(event,menu);
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SIGNAL.Post(["command",this]);
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this.action.call(this,event);
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}
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return FALSE(event);
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}
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});
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/*************************************************************/
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/*
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* A menu item that posts a submenu
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*/
|
|
MENU.ITEM.SUBMENU = MENU.ITEM.Subclass({
|
|
menu: null, // the submenu
|
|
marker: (isPC && !HUB.Browser.isSafari ? "\u25B6" : "\u25B8"), // the menu arrow
|
|
|
|
Init: function (name,def) {
|
|
this.name = name; var i = 1;
|
|
if (!(def instanceof MENU.ITEM)) {this.With(def), i++}
|
|
this.menu = MENU.apply(MENU,[].slice.call(arguments,i));
|
|
},
|
|
Label: function (def,menu) {
|
|
this.menu.posted = false;
|
|
return [this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]];
|
|
},
|
|
Timer: function (event,menu) {
|
|
if (this.timer) {clearTimeout(this.timer)}
|
|
event = {clientX: event.clientX, clientY: event.clientY}; // MSIE can't pass the event below
|
|
this.timer = setTimeout(CALLBACK(["Mouseup",this,event,menu]),CONFIG.delay);
|
|
},
|
|
Touchend: function (event,menu) {
|
|
var forceout = this.menu.posted;
|
|
var result = this.SUPER(arguments).Touchend.apply(this,arguments);
|
|
if (forceout) {this.Deactivate(menu); delete ITEM.lastItem; delete ITEM.lastMenu}
|
|
return result;
|
|
},
|
|
Mouseup: function (event,menu) {
|
|
if (!this.disabled) {
|
|
if (!this.menu.posted) {
|
|
if (this.timer) {clearTimeout(this.timer); delete this.timer}
|
|
this.menu.Post(event,menu);
|
|
} else {
|
|
var menus = document.getElementById("MathJax_MenuFrame").childNodes,
|
|
m = menus.length-1;
|
|
while (m >= 0) {
|
|
var child = menus[m];
|
|
child.menuItem.posted = false;
|
|
child.parentNode.removeChild(child);
|
|
if (child.menuItem === this.menu) {break};
|
|
m--;
|
|
}
|
|
}
|
|
}
|
|
return FALSE(event);
|
|
}
|
|
});
|
|
|
|
/*************************************************************/
|
|
/*
|
|
* A menu item that is one of several radio buttons
|
|
*/
|
|
MENU.ITEM.RADIO = MENU.ITEM.Subclass({
|
|
variable: null, // the variable name
|
|
marker: (isPC ? "\u25CF" : "\u2713"), // the checkmark
|
|
|
|
Init: function (name,variable,def) {
|
|
this.name = name; this.variable = variable; this.With(def);
|
|
if (this.value == null) {this.value = this.name}
|
|
},
|
|
Label: function (def,menu) {
|
|
var span = {className:"MathJax_MenuRadioCheck"};
|
|
if (CONFIG.settings[this.variable] !== this.value) {span = {style:{display:"none"}}}
|
|
return [["span",span,[this.marker]]," "+this.name];
|
|
},
|
|
Mouseup: function (event,menu) {
|
|
if (!this.disabled) {
|
|
var child = menu.parentNode.childNodes;
|
|
for (var i = 0, m = child.length; i < m; i++) {
|
|
var item = child[i].menuItem;
|
|
if (item && item.variable === this.variable)
|
|
{child[i].firstChild.style.display = "none"}
|
|
}
|
|
menu.firstChild.display = "";
|
|
CONFIG.settings[this.variable] = this.value;
|
|
MENU.cookie[this.variable] = CONFIG.settings[this.variable]; MENU.saveCookie();
|
|
SIGNAL.Post(["radio button",this]);
|
|
}
|
|
this.Remove(event,menu);
|
|
if (this.action && !this.disabled) {this.action.call(MENU,this)}
|
|
return FALSE(event);
|
|
}
|
|
});
|
|
|
|
/*************************************************************/
|
|
/*
|
|
* A menu item that is checkable
|
|
*/
|
|
MENU.ITEM.CHECKBOX = MENU.ITEM.Subclass({
|
|
variable: null, // the variable name
|
|
marker: "\u2713", // the checkmark
|
|
|
|
Init: function (name,variable,def) {
|
|
this.name = name; this.variable = variable; this.With(def);
|
|
},
|
|
Label: function (def,menu) {
|
|
var span = {className:"MathJax_MenuCheck"};
|
|
if (!CONFIG.settings[this.variable]) {span = {style:{display:"none"}}}
|
|
return [["span",span,[this.marker]]," "+this.name];
|
|
},
|
|
Mouseup: function (event,menu) {
|
|
if (!this.disabled) {
|
|
menu.firstChild.display = (CONFIG.settings[this.variable] ? "none" : "");
|
|
CONFIG.settings[this.variable] = !CONFIG.settings[this.variable];
|
|
MENU.cookie[this.variable] = CONFIG.settings[this.variable]; MENU.saveCookie();
|
|
SIGNAL.Post(["checkbox",this]);
|
|
}
|
|
this.Remove(event,menu);
|
|
if (this.action && !this.disabled) {this.action.call(MENU,this)}
|
|
return FALSE(event);
|
|
}
|
|
});
|
|
|
|
/*************************************************************/
|
|
/*
|
|
* A menu item that is a label
|
|
*/
|
|
MENU.ITEM.LABEL = MENU.ITEM.Subclass({
|
|
Init: function (name,def) {this.name = name; this.With(def)},
|
|
Label: function (def,menu) {
|
|
delete def.onmouseover, delete def.onmouseout; delete def.onmousedown;
|
|
def.className += " MathJax_MenuLabel";
|
|
return [this.name];
|
|
}
|
|
});
|
|
|
|
/*************************************************************/
|
|
/*
|
|
* A rule in a menu
|
|
*/
|
|
MENU.ITEM.RULE = MENU.ITEM.Subclass({
|
|
Label: function (def,menu) {
|
|
delete def.onmouseover, delete def.onmouseout; delete def.onmousedown;
|
|
def.className += " MathJax_MenuRule";
|
|
return null;
|
|
}
|
|
});
|
|
|
|
/*************************************************************/
|
|
/*************************************************************/
|
|
|
|
/*
|
|
* Handle the ABOUT box
|
|
*/
|
|
MENU.About = function () {
|
|
var HTMLCSS = OUTPUT["HTML-CSS"] || {fontInUse: ""};
|
|
var local = (HTMLCSS.webFonts ? "" : "local "), web = (HTMLCSS.webFonts ? " web" : "");
|
|
var font = (HTMLCSS.imgFonts ? "Image" : local+HTMLCSS.fontInUse+web) + " fonts";
|
|
if (font === "local fonts" && OUTPUT.SVG) {font = "web SVG fonts"}
|
|
var jax = ["MathJax.js v"+MathJax.fileversion,["br"]];
|
|
jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);
|
|
MENU.About.GetJax(jax,MathJax.InputJax,"Input Jax");
|
|
MENU.About.GetJax(jax,MathJax.OutputJax,"Output Jax");
|
|
MENU.About.GetJax(jax,MathJax.ElementJax,"Element Jax");
|
|
jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);
|
|
MENU.About.GetJax(jax,MathJax.Extension,"Extension",true);
|
|
jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[
|
|
HUB.Browser + " v"+HUB.Browser.version +
|
|
(HTMLCSS.webFonts && !HTMLCSS.imgFonts ? " \u2014 "+HTMLCSS.allowWebFonts+" fonts" : "")
|
|
]]);
|
|
MENU.About.div = MENU.Background(MENU.About);
|
|
var about = HTML.addElement(MENU.About.div,"div",{
|
|
id: "MathJax_About", onclick: MENU.About.Remove
|
|
},[
|
|
["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],
|
|
"using "+font,["br"],["br"],
|
|
["span",{style:{
|
|
display:"inline-block", "text-align":"left", "font-size":"80%",
|
|
"max-height":"20em", overflow:"auto",
|
|
"background-color":"#E4E4E4", padding:".4em .6em", border:"1px inset"
|
|
}},jax],["br"],["br"],
|
|
["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]
|
|
]);
|
|
var doc = (document.documentElement||{});
|
|
var H = window.innerHeight || doc.clientHeight || doc.scrollHeight || 0;
|
|
if (MENU.prototype.msieAboutBug) {
|
|
about.style.width = "20em"; about.style.position = "absolute";
|
|
about.style.left = Math.floor((document.documentElement.scrollWidth - about.offsetWidth)/2)+"px";
|
|
about.style.top = (Math.floor((H-about.offsetHeight)/3)+document.body.scrollTop)+"px";
|
|
} else {
|
|
about.style.marginLeft = Math.floor(-about.offsetWidth/2)+"px";
|
|
about.style.top = Math.floor((H-about.offsetHeight)/3)+"px";
|
|
}
|
|
};
|
|
MENU.About.Remove = function (event) {
|
|
if (MENU.About.div) {document.body.removeChild(MENU.About.div); delete MENU.About.div}
|
|
};
|
|
MENU.About.GetJax = function (jax,JAX,type,noTypeCheck) {
|
|
var info = [];
|
|
for (var id in JAX) {if (JAX.hasOwnProperty(id) && JAX[id]) {
|
|
if ((noTypeCheck && JAX[id].version) || (JAX[id].isa && JAX[id].isa(JAX)))
|
|
{info.push((JAX[id].id||id)+" "+type+" v"+JAX[id].version)}
|
|
}}
|
|
info.sort();
|
|
for (var i = 0, m = info.length; i < m; i++) {jax.push(info[i],["br"])}
|
|
return jax;
|
|
};
|
|
|
|
|
|
/*
|
|
* Handle the MathJax HELP menu
|
|
*/
|
|
MENU.Help = function () {
|
|
window.open(CONFIG.helpURL,"MathJaxHelp");
|
|
};
|
|
|
|
/*
|
|
* Handle showing of element's source
|
|
*/
|
|
MENU.ShowSource = function (event) {
|
|
if (!event) {event = window.event}
|
|
var EVENT = {screenX:event.screenX, screenY:event.screenY};
|
|
if (!MENU.jax) return;
|
|
if (this.format === "MathML") {
|
|
var MML = MathJax.ElementJax.mml;
|
|
if (MML && typeof(MML.mbase.prototype.toMathML) !== "undefined") {
|
|
// toMathML() can call MathJax.Hub.RestartAfter, so trap errors and check
|
|
try {MENU.ShowSource.Text(MENU.jax.root.toMathML(),event)} catch (err) {
|
|
if (!err.restart) {throw err}
|
|
CALLBACK.After([this,MENU.ShowSource,EVENT]);
|
|
}
|
|
} else if (!AJAX.loadingToMathML) {
|
|
AJAX.loadingToMathML = true;
|
|
MENU.ShowSource.Window(event); // WeBKit needs to open window on click event
|
|
CALLBACK.Queue(
|
|
AJAX.Require("[MathJax]/extensions/toMathML.js"),
|
|
function () {
|
|
delete AJAX.loadingToMathML;
|
|
if (!MML.mbase.prototype.toMathML) {MML.mbase.prototype.toMathML = function () {}}
|
|
},
|
|
[this,MENU.ShowSource,EVENT] // call this function again
|
|
);
|
|
return;
|
|
}
|
|
} else {
|
|
if (MENU.jax.originalText == null) {alert("No original form available"); return}
|
|
MENU.ShowSource.Text(MENU.jax.originalText,event);
|
|
}
|
|
};
|
|
MENU.ShowSource.Window = function (event) {
|
|
if (!MENU.ShowSource.w) {
|
|
var def = [], DEF = CONFIG.windowSettings;
|
|
for (var id in DEF) {if (DEF.hasOwnProperty(id)) {def.push(id+"="+DEF[id])}}
|
|
MENU.ShowSource.w = window.open("","_blank",def.join(","));
|
|
}
|
|
return MENU.ShowSource.w;
|
|
};
|
|
MENU.ShowSource.Text = function (text,event) {
|
|
var w = MENU.ShowSource.Window(event);
|
|
text = text.replace(/^\s*/,"").replace(/\s*$/,"");
|
|
text = text.replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">");
|
|
if (MENU.isMobile) {
|
|
w.document.open();
|
|
w.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");
|
|
w.document.write("<pre>"+text+"</pre>");
|
|
w.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");
|
|
w.document.write("</body></html>");
|
|
w.document.close();
|
|
} else {
|
|
w.document.open();
|
|
w.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");
|
|
w.document.write("<table><tr><td><pre>"+text+"</pre></td></tr></table>");
|
|
w.document.write("</body></html>");
|
|
w.document.close();
|
|
var table = w.document.body.firstChild;
|
|
var H = (w.outerHeight-w.innerHeight)||30, W = (w.outerWidth-w.innerWidth)||30;
|
|
W = Math.min(Math.floor(.5*screen.width),table.offsetWidth+W+25);
|
|
H = Math.min(Math.floor(.5*screen.height),table.offsetHeight+H+25);
|
|
w.resizeTo(W,H);
|
|
if (event && event.screenX != null) {
|
|
var x = Math.max(0,Math.min(event.screenX-Math.floor(W/2), screen.width-W-20)),
|
|
y = Math.max(0,Math.min(event.screenY-Math.floor(H/2), screen.height-H-20));
|
|
w.moveTo(x,y);
|
|
}
|
|
}
|
|
delete MENU.ShowSource.w;
|
|
};
|
|
|
|
/*
|
|
* Handle rescaling all the math
|
|
*/
|
|
MENU.Scale = function () {
|
|
var HTMLCSS = OUTPUT["HTML-CSS"], nMML = OUTPUT.NativeMML;
|
|
var SCALE = (HTMLCSS ? HTMLCSS.config.scale : nMML.config.scale);
|
|
var scale = prompt("Scale all mathematics (compared to surrounding text) by",SCALE+"%");
|
|
if (scale) {
|
|
if (scale.match(/^\s*\d+\s*%?\s*$/)) {
|
|
scale = parseInt(scale);
|
|
if (scale) {
|
|
if (scale !== SCALE) {
|
|
if (HTMLCSS) {HTMLCSS.config.scale = scale}
|
|
if (nMML) {nMML.config.scale = scale}
|
|
MENU.cookie.scale = scale;
|
|
MENU.saveCookie(); HUB.Reprocess();
|
|
}
|
|
} else {alert("The scale should not be zero")}
|
|
} else {alert("The scale should be a perentage (e.g., 120%)")}
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Handle loading the zoom code
|
|
*/
|
|
MENU.Zoom = function () {
|
|
if (!MathJax.Extension.MathZoom) {AJAX.Require("[MathJax]/extensions/MathZoom.js")}
|
|
};
|
|
|
|
/*
|
|
* Handle changing the renderer
|
|
*/
|
|
MENU.Renderer = function () {
|
|
var jax = HUB.outputJax["jax/mml"];
|
|
if (jax[0] !== CONFIG.settings.renderer) {
|
|
var BROWSER = HUB.Browser, message, MESSAGE = MENU.Renderer.Messages, warned;
|
|
//
|
|
// Check that the new renderer is appropriate for the browser
|
|
//
|
|
switch (CONFIG.settings.renderer) {
|
|
case "NativeMML":
|
|
if (!CONFIG.settings.warnedMML) {
|
|
if (BROWSER.isChrome || (BROWSER.isSafari && !BROWSER.versionAtLeast("5.0"))) {message = MESSAGE.MML.WebKit}
|
|
else if (BROWSER.isMSIE) {if (!BROWSER.hasMathPlayer) {message = MESSAGE.MML.MSIE}}
|
|
else {message = MESSAGE.MML[BROWSER]}
|
|
warned = "warnedMML";
|
|
}
|
|
break;
|
|
|
|
case "SVG":
|
|
if (!CONFIG.settings.warnedSVG) {
|
|
if (BROWSER.isMSIE && !isIE9) {message = MESSAGE.SVG.MSIE}
|
|
}
|
|
break;
|
|
}
|
|
if (message) {
|
|
message += "\n\nSwitch the renderer anyway?\n\n" +
|
|
"(Press OK to switch, CANCEL to continue with the current renderer)";
|
|
MENU.cookie.renderer = jax[0].id; MENU.saveCookie(); if (!confirm(message)) {return}
|
|
if (warned) {MENU.cookie[warned] = CONFIG.settings[warned] = true}
|
|
MENU.cookie.renderer = CONFIG.settings.renderer; MENU.saveCookie();
|
|
}
|
|
HUB.Queue(
|
|
["setRenderer",HUB,CONFIG.settings.renderer,"jax/mml"],
|
|
["Rerender",HUB]
|
|
);
|
|
}
|
|
};
|
|
MENU.Renderer.Messages = {
|
|
MML: {
|
|
WebKit: "Your browser doesn't seem to support MathML natively, " +
|
|
"so switching to MathML output may cause the mathematics " +
|
|
"on the page to become unreadable.",
|
|
|
|
MSIE: "Internet Explorer requires the MathPlayer plugin " +
|
|
"in order to process MathML output.",
|
|
|
|
Opera: "Opera's support for MathML is limited, so switching to " +
|
|
"MathML output may cause some expressions to render poorly.",
|
|
|
|
Firefox: "Your browser's native MathML does not implement all the features " +
|
|
"used by MathJax, so some expressions my render improperly."
|
|
},
|
|
|
|
SVG: {
|
|
MSIE: "SVG is not implemented in Internet Explorer prior to " +
|
|
"IE9, or when the browser is emulating IE8 or below. " +
|
|
"Switching to SVG output will cause the mathemtics to " +
|
|
"not display properly."
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Handle setting the HTMLCSS fonts
|
|
*/
|
|
MENU.Font = function () {
|
|
var HTMLCSS = OUTPUT["HTML-CSS"]; if (!HTMLCSS) return;
|
|
document.location.reload();
|
|
};
|
|
|
|
/*
|
|
* Handle setting MathPlayer events
|
|
*/
|
|
MENU.MPEvents = function (item) {
|
|
var discoverable = CONFIG.settings.discoverable,
|
|
MESSAGE = MENU.MPEvents.Messages;
|
|
if (!isIE9) {
|
|
if (CONFIG.settings.mpMouse && !confirm(MESSAGE.IE8warning)) {
|
|
delete MENU.cookie.mpContext; delete CONFIG.settings.mpContext;
|
|
delete MENU.cookie.mpMouse; delete CONFIG.settings.mpMouse;
|
|
MENU.saveCookie();
|
|
return;
|
|
}
|
|
CONFIG.settings.mpContext = CONFIG.settings.mpMouse;
|
|
MENU.cookie.mpContext = MENU.cookie.mpMouse = CONFIG.settings.mpMouse;
|
|
MENU.saveCookie();
|
|
MathJax.Hub.Queue(["Rerender",MathJax.Hub])
|
|
} else if (!discoverable && item.name === "Menu Events" && CONFIG.settings.mpContext) {
|
|
alert(MESSAGE.IE9warning);
|
|
}
|
|
};
|
|
MENU.MPEvents.Messages = {
|
|
IE8warning:
|
|
"This will disable the MathJax menu and zoom features, " +
|
|
"but you can Alt-Click on an expression to obtain the MathJax " +
|
|
"menu instead.\n\nReally change the MathPlayer settings?",
|
|
|
|
IE9warning:
|
|
"The MathJax contextual menu will be disabled, but you can " +
|
|
"Alt-Click on an expression to obtain the MathJax menu instead."
|
|
};
|
|
|
|
/*************************************************************/
|
|
/*************************************************************/
|
|
|
|
HUB.Browser.Select({
|
|
MSIE: function (browser) {
|
|
var quirks = (document.compatMode === "BackCompat");
|
|
var isIE8 = browser.versionAtLeast("8.0") && document.documentMode > 7;
|
|
MENU.Augment({
|
|
margin: 20,
|
|
msieBackgroundBug: true,
|
|
msieFixedPositionBug: (quirks || !isIE8),
|
|
msieAboutBug: quirks
|
|
});
|
|
if (isIE9) {
|
|
delete CONFIG.styles["#MathJax_About"].filter;
|
|
delete CONFIG.styles[".MathJax_Menu"].filter;
|
|
}
|
|
},
|
|
Firefox: function (browser) {
|
|
MENU.skipMouseover = browser.isMobile && browser.versionAtLeast("6.0");
|
|
MENU.skipMousedown = browser.isMobile;
|
|
}
|
|
});
|
|
MENU.isMobile = HUB.Browser.isMobile;
|
|
MENU.noContextMenu = HUB.Browser.noContextMenu;
|
|
|
|
/*************************************************************/
|
|
|
|
HUB.Register.StartupHook("End Config",function () {
|
|
|
|
/*
|
|
* Get the menu settings from the HUB (which includes the
|
|
* data from the cookie already), and add the format, if
|
|
* it wasn't set in the cookie.
|
|
*/
|
|
CONFIG.settings = HUB.config.menuSettings;
|
|
if (typeof(CONFIG.settings.showRenderer) !== "undefined") {CONFIG.showRenderer = CONFIG.settings.showRenderer}
|
|
if (typeof(CONFIG.settings.showFontMenu) !== "undefined") {CONFIG.showFontMenu = CONFIG.settings.showFontMenu}
|
|
if (typeof(CONFIG.settings.showContext) !== "undefined") {CONFIG.showContext = CONFIG.settings.showContext}
|
|
MENU.getCookie();
|
|
|
|
/*
|
|
* The main menu
|
|
*/
|
|
MENU.menu = MENU(
|
|
ITEM.SUBMENU("Show Math As",
|
|
ITEM.COMMAND("MathML Code", MENU.ShowSource, {nativeTouch: true, format: "MathML"}),
|
|
ITEM.COMMAND("Original Form", MENU.ShowSource, {nativeTouch: true}),
|
|
ITEM.RULE(),
|
|
ITEM.CHECKBOX("Show TeX hints in MathML", "texHints")
|
|
),
|
|
ITEM.RULE(),
|
|
ITEM.SUBMENU("Math Settings",
|
|
ITEM.SUBMENU("Zoom Trigger",
|
|
ITEM.RADIO("Hover", "zoom", {action: MENU.Zoom}),
|
|
ITEM.RADIO("Click", "zoom", {action: MENU.Zoom}),
|
|
ITEM.RADIO("Double-Click", "zoom", {action: MENU.Zoom}),
|
|
ITEM.RADIO("No Zoom", "zoom", {value: "None"}),
|
|
ITEM.RULE(),
|
|
ITEM.LABEL("Trigger Requires:"),
|
|
ITEM.CHECKBOX((HUB.Browser.isMac ? "Option" : "Alt"), "ALT"),
|
|
ITEM.CHECKBOX("Command", "CMD", {hidden: !HUB.Browser.isMac}),
|
|
ITEM.CHECKBOX("Control", "CTRL", {hidden: HUB.Browser.isMac}),
|
|
ITEM.CHECKBOX("Shift", "Shift")
|
|
),
|
|
ITEM.SUBMENU("Zoom Factor",
|
|
ITEM.RADIO("125%", "zscale"),
|
|
ITEM.RADIO("133%", "zscale"),
|
|
ITEM.RADIO("150%", "zscale"),
|
|
ITEM.RADIO("175%", "zscale"),
|
|
ITEM.RADIO("200%", "zscale"),
|
|
ITEM.RADIO("250%", "zscale"),
|
|
ITEM.RADIO("300%", "zscale"),
|
|
ITEM.RADIO("400%", "zscale")
|
|
),
|
|
ITEM.RULE(),
|
|
ITEM.SUBMENU("Math Renderer", {hidden:!CONFIG.showRenderer},
|
|
ITEM.RADIO("HTML-CSS", "renderer", {action: MENU.Renderer}),
|
|
ITEM.RADIO("MathML", "renderer", {action: MENU.Renderer, value:"NativeMML"}),
|
|
ITEM.RADIO("SVG", "renderer", {action: MENU.Renderer})
|
|
),
|
|
ITEM.SUBMENU("MathPlayer", {hidden:!HUB.Browser.isMSIE ||
|
|
!CONFIG.showMathPlayer,
|
|
disabled:!HUB.Browser.hasMathPlayer},
|
|
ITEM.LABEL("Let MathPlayer Handle:"),
|
|
ITEM.CHECKBOX("Menu Events", "mpContext", {action: MENU.MPEvents, hidden:!isIE9}),
|
|
ITEM.CHECKBOX("Mouse Events", "mpMouse", {action: MENU.MPEvents, hidden:!isIE9}),
|
|
ITEM.CHECKBOX("Mouse and Menu Events", "mpMouse", {action: MENU.MPEvents, hidden:isIE9})
|
|
),
|
|
ITEM.SUBMENU("Font Preference", {hidden:!CONFIG.showFontMenu},
|
|
ITEM.LABEL("For HTML-CSS:"),
|
|
ITEM.RADIO("Auto", "font", {action: MENU.Font}),
|
|
ITEM.RULE(),
|
|
ITEM.RADIO("TeX (local)", "font", {action: MENU.Font}),
|
|
ITEM.RADIO("TeX (web)", "font", {action: MENU.Font}),
|
|
ITEM.RADIO("TeX (image)", "font", {action: MENU.Font}),
|
|
ITEM.RULE(),
|
|
ITEM.RADIO("STIX (local)", "font", {action: MENU.Font})
|
|
),
|
|
ITEM.SUBMENU("Contextual Menu", {hidden:!CONFIG.showContext},
|
|
ITEM.RADIO("MathJax", "context"),
|
|
ITEM.RADIO("Browser", "context")
|
|
),
|
|
ITEM.COMMAND("Scale All Math ...",MENU.Scale),
|
|
ITEM.RULE().With({hidden:!CONFIG.showDiscoverable, name:"discover_rule"}),
|
|
ITEM.CHECKBOX("Highlight on Hover", "discoverable", {hidden:!CONFIG.showDiscoverable})
|
|
),
|
|
ITEM.RULE(),
|
|
ITEM.COMMAND("About MathJax",MENU.About),
|
|
ITEM.COMMAND("MathJax Help",MENU.Help)
|
|
);
|
|
|
|
if (MENU.isMobile) {
|
|
(function () {
|
|
var settings = CONFIG.settings;
|
|
var trigger = MENU.menu.Find("Math Settings","Zoom Trigger").menu;
|
|
trigger.items[0].disabled = trigger.items[1].disabled = true;
|
|
if (settings.zoom === "Hover" || settings.zoom == "Click") {settings.zoom = "None"}
|
|
trigger.items = trigger.items.slice(0,4);
|
|
|
|
if (navigator.appVersion.match(/[ (]Android[) ]/)) {
|
|
MENU.ITEM.SUBMENU.Augment({marker: "\u00BB"});
|
|
}
|
|
})();
|
|
}
|
|
|
|
});
|
|
|
|
MENU.showRenderer = function (show) {
|
|
MENU.cookie.showRenderer = CONFIG.showRenderer = show; MENU.saveCookie();
|
|
MENU.menu.Find("Math Settings","Math Renderer").hidden = !show;
|
|
};
|
|
MENU.showMathPlayer = function (show) {
|
|
MENU.cookie.showMathPlayer = CONFIG.showMathPlayer = show; MENU.saveCookie();
|
|
MENU.menu.Find("Math Settings","MathPlayer").hidden = !show;
|
|
};
|
|
MENU.showFontMenu = function (show) {
|
|
MENU.cookie.showFontMenu = CONFIG.showFontMenu = show; MENU.saveCookie();
|
|
MENU.menu.Find("Math Settings","Font Preference").hidden = !show;
|
|
};
|
|
MENU.showContext = function (show) {
|
|
MENU.cookie.showContext = CONFIG.showContext = show; MENU.saveCookie();
|
|
MENU.menu.Find("Math Settings","Contextual Menu").hidden = !show;
|
|
};
|
|
MENU.showDiscoverable = function (show) {
|
|
MENU.cookie.showContext = CONFIG.showContext = show; MENU.saveCookie();
|
|
MENU.menu.Find("Math Settings","Highlight on Hover").hidden = !show;
|
|
MENU.menu.Find("Math Settings","discover_rule").hidden = !show;
|
|
};
|
|
|
|
MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
|
|
if (!MathJax.OutputJax["HTML-CSS"].config.imageFont)
|
|
{MENU.menu.Find("Math Settings","Font Preference","TeX (image)").disabled = true}
|
|
});
|
|
|
|
/*************************************************************/
|
|
|
|
CALLBACK.Queue(
|
|
HUB.Register.StartupHook("End Config",{}), // wait until config is complete
|
|
["getImages",MENU],
|
|
["Styles",AJAX,CONFIG.styles],
|
|
["Post",HUB.Startup.signal,"MathMenu Ready"],
|
|
["loadComplete",AJAX,"[MathJax]/extensions/MathMenu.js"]
|
|
);
|
|
|
|
})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
|