/************************************************************* * * MathJax/extensions/MathMenu.js * * Implements a right-mouse (or CTRL-click) menu over mathematics * elements that gives the user the ability to copy the source, * change the math size, and zoom settings. * * --------------------------------------------------------------------- * * Copyright (c) 2010 Design Science, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ (function (HUB,HTML,AJAX) { var VERSION = "1.0.1"; var isPC = HUB.Browser.isPC, isMSIE = HUB.Browser.isMSIE; var ROUND = (isPC ? null : "5px"); var CONFIG = HUB.Insert({ delay: 150, // the delay for submenus helpURL: "http://www.mathjax.org/help/user/", // the URL for the "MathJax Help" menu showRenderer: true, // show the "Math Renderer" menu? showFontMenu: false, // show the "Font Preference" menu? showContext: false, // show the "Context Menu" menu? windowSettings: { // for source window status: "no", toolbar: "no", locationbar: "no", menubar: "no", directories: "no", personalbar: "no", resizable: "yes", scrollbars: "yes", width: 100, height: 50 }, styles: { ".MathJax_Menu": { position:"absolute", "background-color":"white", color:"black", width:"auto", padding:(isPC ? "2px" : "5px 0px"), border:"1px solid #CCCCCC", margin:0, cursor:"default", font: "menu", "text-align":"left", "text-indent":0, "text-transform":"none", "line-height":"normal", "letter-spacing":"normal", "word-spacing":"normal", "word-wrap":"normal", "white-space":"nowrap", "float":"none", "z-index":201, "border-radius": ROUND, // Opera 10.5 "-webkit-border-radius": ROUND, // Safari and Chrome "-moz-border-radius": ROUND, // Firefox "-khtml-border-radius": ROUND, // Konqueror "box-shadow":"0px 10px 20px #808080", // Opera 10.5 "-webkit-box-shadow":"0px 10px 20px #808080", // Safari 3 and Chrome "-moz-box-shadow":"0px 10px 20px #808080", // Forefox 3.5 "-khtml-box-shadow":"0px 10px 20px #808080", // Konqueror filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE }, ".MathJax_MenuItem": { padding: (isPC ? "2px 2em" : "1px 2em"), background:"transparent" }, ".MathJax_MenuTitle": { "background-color":"#CCCCCC", margin: (isPC ? "-1px -1px 1px -1px" : "-5px 0 0 0"), "text-align":"center", "font-style":"italic", "font-size":"80%", color:"#444444", padding:"2px 0", overflow:"hidden" }, ".MathJax_MenuArrow": { position:"absolute", right:".5em", color:"#666666", "font-family": (isMSIE ? "'Arial unicode MS'" : null) }, ".MathJax_MenuActive .MathJax_MenuArrow": {color:"white"}, ".MathJax_MenuCheck": { position:"absolute", left:".7em", "font-family": (isMSIE ? "'Arial unicode MS'" : null) }, ".MathJax_MenuRadioCheck": { position:"absolute", left: (isPC ? "1em" : ".7em") }, ".MathJax_MenuLabel": { padding: (isPC ? "2px 2em 4px 1.33em" : "1px 2em 3px 1.33em"), "font-style":"italic" }, ".MathJax_MenuRule": { "border-top": (isPC ? "1px solid #CCCCCC" : "1px solid #DDDDDD"), margin: (isPC ? "4px 1px 0px" : "4px 3px") }, ".MathJax_MenuDisabled": { color:"GrayText" }, ".MathJax_MenuActive": { "background-color": (isPC ? "Highlight" : "#606872"), color: (isPC ? "HighlightText" : "white") } } },(HUB.config.MathMenu||{})); /*************************************************************/ /* * Cancel event's default action (try everything we can) */ var FALSE = function (event) { if (!event) {event = window.event} if (event) { if (event.preventDefault) {event.preventDefault()} if (event.stopPropagation) {event.stopPropagation()} event.cancelBubble = true; event.returnValue = false; } return false; }; /*************************************************************/ /* * The main menu class */ var MENU = MathJax.Menu = MathJax.Object.Subclass({ version: VERSION, items: [], posted: false, title: null, margin: 5, Init: function (def) {this.items = [].slice.call(arguments,0)}, With: function (def) {if (def) {HUB.Insert(this,def)}; return this}, /* * Display the menu */ Post: function (event,parent) { if (!event) {event = window.event}; var title = (!this.title ? null : [["div",{className: "MathJax_MenuTitle"},[this.title]]]); var div = document.getElementById("MathJax_MenuFrame"); if (!div) {div = MENU.Background(this)} var menu = HTML.addElement(div,"div",{ onmouseup: MENU.Mouseup, ondblclick: this.False, ondragstart: this.False, onselectstart: this.False, oncontextmenu: this.False, menuItem: this, className: "MathJax_Menu" },title); for (var i = 0, m = this.items.length; i < m; i++) {this.items[i].Create(menu)} this.posted = true; menu.style.width = (menu.offsetWidth+2) + "px"; var x = event.pageX, y = event.pageY; if (!x && !y) { x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft; y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop; } if (!parent) { if (x + menu.offsetWidth > document.body.offsetWidth - this.margin) {x = document.body.offsetWidth - menu.offsetWidth - this.margin} MENU.skipUp = true; } else { var side = "left", mw = parent.offsetWidth; x = parent.offsetWidth - 2; y = 0; while (parent && parent !== div) { x += parent.offsetLeft; y += parent.offsetTop; parent = parent.parentNode; } if (x + menu.offsetWidth > document.body.offsetWidth - this.margin) {side = "right"; x = Math.max(this.margin,x - mw - menu.offsetWidth + 6)} if (!isPC) { // in case these ever get implemented menu.style["borderRadiusTop"+side] = 0; // Opera 10.5 menu.style["WebkitBorderRadiusTop"+side] = 0; // Safari and Chrome menu.style["MozBorderRadiusTop"+side] = 0; // Firefox menu.style["KhtmlBorderRadiusTop"+side] = 0; // Konqueror } } menu.style.left = x+"px"; menu.style.top = y+"px"; if (document.selection && document.selection.empty) {document.selection.empty()} return this.False(event); }, /* * Remove the menu from the screen */ Remove: function (event,menu) { var div = document.getElementById("MathJax_MenuFrame"); if (div) { div.parentNode.removeChild(div); if (this.msieBackgroundBug) {detachEvent("onresize",MENU.Resize)} } }, Mouseup: function (event,menu) { if (MENU.skipUp) {delete MENU.skipUp} else {this.Remove(event,menu)} }, False: FALSE },{ config: CONFIG, div: null, // the DOM elements for the menu and submenus Remove: function (event) {MENU.Event(event,this,"Remove")}, Mouseover: function (event) {MENU.Event(event,this,"Mouseover")}, Mouseout: function (event) {MENU.Event(event,this,"Mouseout")}, Mousedown: function (event) {MENU.Event(event,this,"Mousedown")}, Mouseup: function (event) {MENU.Event(event,this,"Mouseup")}, Mousemove: function (event) {MENU.Event(event,this,"Mousemove")}, Event: function (event,menu,type) { if (!event) {event = window.event} var item = menu.menuItem; if (item && item[type]) {return item[type](event,menu)} return null; }, /* * Style for the background DIV */ BGSTYLE: { position:"absolute", left:0, top:0, "z-index":200, width:"100%", height:"100%", border:0, padding:0, margin:0 }, Background: function (menu) { var div = HTML.addElement(document.body,"div",{style:this.BGSTYLE, id:"MathJax_MenuFrame"}, [["div",{style: this.BGSTYLE, menuItem: menu, onmousedown: this.Remove}]]); var bg = div.firstChild; if (menu.msieBackgroundBug) { // MSIE doesn't allow transparent background to be hit boxes, so // fake it using opacity with solid background color bg.style.backgroundColor = "white"; bg.style.filter = "alpha(opacity=0)"; // MSIE can't do fixed position, so use a full-sized background // and an onresize handler to update it (stupid, but necessary) div.width = div.height = 0; this.Resize(); attachEvent("onresize",this.Resize); } else { // otherwise, use a fixed position DIV to cover the viewport bg.style.position = "fixed"; } return div; }, Resize: function () {setTimeout(MENU.SetWH,0)}, SetWH: function () { var bg = document.getElementById("MathJax_MenuFrame"); if (bg) { bg = bg.firstChild; bg.style.width = bg.style.height = "1px"; // so scrollWidth/Height will be right below bg.style.width = document.body.scrollWidth + "px"; bg.style.height = document.body.scrollHeight + "px"; } }, saveCookie: function () {HTML.Cookie.Set("menu",this.cookie)}, getCookie: function () {this.cookie = HTML.Cookie.Get("menu")} }); /*************************************************************/ /* * The menu item root subclass */ var ITEM = MENU.ITEM = MathJax.Object.Subclass({ name: "", // the menu item's label Create: function (menu) { if (!this.hidden) { var def = { onmouseover: MENU.Mouseover, onmouseout: MENU.Mouseout, onmouseup: MENU.Mouseup, onmousedown: this.False, ondragstart: this.False, onselectstart: this.False, onselectend: this.False, className: "MathJax_MenuItem", menuItem: this }; if (this.disabled) {def.className += " MathJax_MenuDisabled"} HTML.addElement(menu,"div",def,this.Label(def,menu)); } }, Mouseover: function (event,menu) { if (!this.disabled) {this.Activate(menu)} if (!this.menu || !this.menu.posted) { var menus = document.getElementById("MathJax_MenuFrame").childNodes, items = menu.parentNode.childNodes; for (var i = 0, m = items.length; i < m; i++) { var item = items[i].menuItem; if (item && item.menu && item.menu.posted) {item.Deactivate(items[i])} } m = menus.length-1; while (m >= 0 && menu.parentNode.menuItem !== menus[m].menuItem) { menus[m].menuItem.posted = false; menus[m].parentNode.removeChild(menus[m]); m--; } if (this.Timer) {this.Timer(event,menu)} } }, Mouseout: function (event,menu) { if (!this.menu || !this.menu.posted) {this.Deactivate(menu)} if (this.timer) {clearTimeout(this.timer); delete this.timer} }, Mouseup: function (event,menu) {return this.Remove(event,menu)}, Remove: function (event,menu) { menu = menu.parentNode.menuItem; return menu.Remove(event,menu); }, Activate: function (menu) {this.Deactivate(menu); menu.className += " MathJax_MenuActive"}, Deactivate: function (menu) {menu.className = menu.className.replace(/ MathJax_MenuActive/,"")}, With: function (def) {if (def) {HUB.Insert(this,def)}; return this}, False: FALSE }); /*************************************************************/ /* * A menu item that performs a command when selected */ MENU.ITEM.COMMAND = MENU.ITEM.Subclass({ action: function () {}, Init: function (name,action,def) { this.name = name; this.action = action; this.With(def); }, Label: function (def,menu) {return [this.name]}, Mouseup: function (event,menu) { if (!this.disabled) {this.Remove(event,menu); this.action.call(this,event)} return this.False(event); } }); /*************************************************************/ /* * A menu item that posts a submenu */ 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) { def.onmousemove = MENU.Mousemove; 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(MathJax.Callback(["Mouseup",this,event,menu]),CONFIG.delay); }, 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 this.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(); if (this.action) {this.action.call(MENU)} } this.Remove(event,menu); return this.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(); if (this.action) {this.action.call(MENU)} } this.Remove(event,menu); return this.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 = MathJax.OutputJax["HTML-CSS"] || {fontInUse: ""}; var local = (HTMLCSS.webFonts ? "" : "local "), web = (HTMLCSS.webFonts ? " web" : ""); var font = (HTMLCSS.imgFonts ? "Image" : local+HTMLCSS.fontInUse+web); var jax = []; MENU.About.GetJax(jax,MathJax.InputJax,"Input"); MENU.About.GetJax(jax,MathJax.OutputJax,"Output"); MENU.About.GetJax(jax,MathJax.ElementJax,"Element"); MENU.About.div = MENU.Background(MENU.About); var about = MathJax.HTML.addElement(MENU.About.div,"div",{ style:{ position:"fixed", left:"50%", width:"auto", "text-align":"center", border:"3px outset", padding:"1em 2em", "background-color":"#DDDDDD", cursor: "default", "font-family":"message-box", "font-size":"120%", "font-style":"normal", "text-indent":0, "text-transform":"none", "line-height":"normal", "letter-spacing":"normal", "word-spacing":"normal", "word-wrap":"normal", "white-space":"nowrap", "float":"none", "z-index":201, "box-shadow":"0px 10px 20px #808080", // Opera 10.5 "-webkit-box-shadow":"0px 10px 20px #808080", // Safari 3 and Chrome "-moz-box-shadow":"0px 10px 20px #808080", // Forefox 3.5 "-khtml-box-shadow":"0px 10px 20px #808080", // Konqueror filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE }, onclick: MENU.About.Remove },[ ["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"], "using "+font+" fonts",["br"],["br"], ["span",{style:{ display:"inline-block", "text-align":"left", "font-size":"80%", "background-color":"#E4E4E4", padding:".4em .6em", border:"1px inset" }},jax],["br"],["br"], ["a",{href:"http://www.mathjax.org/"},["wwww.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) { for (var id in JAX) { if (JAX[id].isa && JAX[id].isa(JAX)) {jax.push(JAX[id].name+" "+type+" Jax v"+JAX[id].version,["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} if (!MENU.jax) return; if (CONFIG.settings.format === "MathML") { var MML = MathJax.ElementJax.mml; if (MML && typeof(MML.mbase.prototype.toMathML) !== "undefined") { MENU.ShowSource.Text(MENU.jax.root.toMathML(),event); } else if (!AJAX.loadingToMathML) { AJAX.loadingToMathML = true; var EVENT = {screenX:event.screenX, screenY:event.screenY}; MENU.ShowSource.Window(event); // WeBKit needs to open window on click event MathJax.Callback.Queue( AJAX.Require("[MathJax]/extensions/toMathML.js"), function () {delete AJAX.loadingToMathML}, [this,arguments.callee,EVENT] // call this function again ); return; } } else { if (MENU.jax.originalText == null) {alert("No TeX 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*$/,""); text = text.replace(/&/g,"&").replace(//g,">"); w.document.open(); w.document.write("MathJax Equation Source"); w.document.write("
"+text+"
"); w.document.write(""); w.document.close(); var table = w.document.body.firstChild; var H = (w.outerHeight-w.innerHeight)||30, W = (w.outerWidth-w.innerWidth)||30; W = Math.min(Math.floor(.5*screen.width),table.offsetWidth+W+25); H = Math.min(Math.floor(.5*screen.height),table.offsetHeight+H+25); w.resizeTo(W,H); if (event && event.screenX != null) { var x = Math.max(0,Math.min(event.screenX-Math.floor(W/2), screen.width-W-20)), y = Math.max(0,Math.min(event.screenY-Math.floor(H/2), screen.height-H-20)); w.moveTo(x,y); } delete MENU.ShowSource.w; }; /* * Handle rescaling all the math */ MENU.Scale = function () { var HTMLCSS = MathJax.OutputJax["HTML-CSS"], nMML = MathJax.OutputJax.NativeMML; var SCALE = (HTMLCSS ? HTMLCSS.config.scale : nMML.config.scale); var scale = prompt("Scale all mathematics (compared to surrounding text) by",SCALE+"%"); if (scale) { if (scale.match(/^\s*\d+\s*%?\s*$/)) { 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.config.outputJax["jax/mml"]; if (jax[0] !== CONFIG.settings.renderer) { MathJax.Callback.Queue( ["Require",AJAX,"[MathJax]/jax/output/"+CONFIG.settings.renderer+"/config.js"], [function () { var JAX = MathJax.OutputJax[CONFIG.settings.renderer]; for (var i = 0, m = jax.length; i < m; i++) {if (jax[i] === JAX) {jax.splice(i,1); break}} jax.unshift(JAX); }], ["Reprocess",HUB] ); } }; /* * Handle setting the HTMLCSS fonts */ MENU.Font = function () { var HTMLCSS = MathJax.OutputJax["HTML-CSS"]; if (!HTMLCSS) return; document.location.reload(); }; /*************************************************************/ /*************************************************************/ 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: (quirks || !isIE8), msieAboutBug: quirks }); } }); /*************************************************************/ /* * 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 (!CONFIG.settings.format) {CONFIG.settings.format = (MathJax.InputJax.TeX ? "Original" : "MathML")} 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.COMMAND("Show Source",MENU.ShowSource), ITEM.SUBMENU("Format", ITEM.RADIO("MathML", "format"), ITEM.RADIO("Original", "format", {value: "Original"}) ), ITEM.RULE(), ITEM.SUBMENU("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.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(), ITEM.COMMAND("About MathJax",MENU.About), ITEM.COMMAND("MathJax Help",MENU.Help) ); MENU.showRenderer = function (show) { MENU.cookie.showRenderer = CONFIG.showRenderer = show; MENU.saveCookie(); MENU.menu.items[3].menu.item[3].hidden = !show; }; MENU.showFontMenu = function (show) { MENU.cookie.showFontMenu = CONFIG.showFontMenu = show; MENU.saveCookie(); MENU.menu.items[3].menu.items[4].hidden = !show }; MENU.showContext = function (show) { MENU.cookie.showContext = CONFIG.showContext = show; MENU.saveCookie(); MENU.menu.items[3].menu.items[5].hidden = !show }; /*************************************************************/ MathJax.Callback.Queue( ["Styles",AJAX,CONFIG.styles], ["Post",HUB.Startup.signal,"MathMenu Ready"], ["loadComplete",AJAX,"[MathJax]/extensions/MathMenu.js"] ); })(MathJax.Hub,MathJax.HTML,MathJax.Ajax);