// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt Apache-2.0 /************************************************************* * * MathJax/extensions/HelpDialog.js * * Implements the MathJax Help dialog box. * * --------------------------------------------------------------------- * * Copyright (c) 2013-2020 The MathJax Consortium * * 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,OUTPUT,LOCALE) { var HELP = MathJax.Extension.Help = { version: "2.7.9" }; var STIXURL = "http://www.stixfonts.org/"; var MENU = MathJax.Menu; var FALSE, KEY; HUB.Register.StartupHook("MathEvents Ready",function () { FALSE = MathJax.Extension.MathEvents.Event.False; KEY = MathJax.Extension.MathEvents.Event.KEY; }); var CONFIG = HUB.CombineConfig("HelpDialog",{ styles: { "#MathJax_Help": { position:"fixed", left:"50%", width:"auto", "max-width": "90%", "text-align":"center", border:"3px outset", padding:"1em 2em", "background-color":"#DDDDDD", color:"black", 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":"wrap", "float":"none", "z-index":201, "border-radius": "15px", // Opera 10.5 and IE9 "-webkit-border-radius": "15px", // Safari and Chrome "-moz-border-radius": "15px", // Firefox "-khtml-border-radius": "15px", // Konqueror "box-shadow":"0px 10px 20px #808080", // Opera 10.5 and IE9 "-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_Help.MathJax_MousePost": { outline:"none" }, "#MathJax_HelpContent": { overflow:"auto", "text-align":"left", "font-size":"80%", padding:".4em .6em", border:"1px inset", margin:"1em 0px", "max-height":"20em", "max-width":"30em", "background-color":"#EEEEEE" }, "#MathJax_HelpClose": { position:"absolute", top:".2em", right:".2em", cursor:"pointer", display:"inline-block", border:"2px solid #AAA", "border-radius":"18px", "-webkit-border-radius": "18px", // Safari and Chrome "-moz-border-radius": "18px", // Firefox "-khtml-border-radius": "18px", // Konqueror "font-family":"'Courier New',Courier", "font-size":"24px", color:"#F0F0F0" }, "#MathJax_HelpClose span": { display:"block", "background-color":"#AAA", border:"1.5px solid", "border-radius":"18px", "-webkit-border-radius": "18px", // Safari and Chrome "-moz-border-radius": "18px", // Firefox "-khtml-border-radius": "18px", // Konqueror "line-height":0, padding:"8px 0 6px" // may need to be browser-specific }, "#MathJax_HelpClose:hover": { color:"white!important", border:"2px solid #CCC!important" }, "#MathJax_HelpClose:hover span": { "background-color":"#CCC!important" }, "#MathJax_HelpClose:hover:focus": { outline:"none" } } }); /* * Handle the Help Dialog box */ HELP.Dialog = function (event) { LOCALE.loadDomain("HelpDialog",["Post",HELP,event]); }; HELP.Post = function (event) { this.div = MENU.Background(this); var help = HTML.addElement(this.div,"div",{ id: "MathJax_Help", tabIndex: 0, onkeydown: HELP.Keydown },LOCALE._("HelpDialog",[ ["b",{style:{fontSize:"120%"}},[["Help","MathJax Help"]]], ["div",{id: "MathJax_HelpContent", tabIndex: 0},[ ["p",{},[["MathJax", "*MathJax* is a JavaScript library that allows page authors to include " + "mathematics within their web pages. As a reader, you don't need to do " + "anything to make that happen."]] ], ["p",{},[["Browsers", "*Browsers*: MathJax works with all modern browsers including IE6+, Firefox 3+, " + "Chrome 0.2+, Safari 2+, Opera 9.6+ and most mobile browsers."]] ], ["p",{},[["Menu", "*Math Menu*: MathJax adds a contextual menu to equations. Right-click or " + "CTRL-click on any mathematics to access the menu."]] ], ["div",{style:{"margin-left":"1em"}},[ ["p",{},[["ShowMath", "*Show Math As* allows you to view the formula's source markup " + "for copy & paste (as MathML or in its original format)."]] ], ["p",{},[["Settings", "*Settings* gives you control over features of MathJax, such as the " + "size of the mathematics, and the mechanism used to display equations."]] ], ["p",{},[["Language", "*Language* lets you select the language used by MathJax for its menus " + "and warning messages."]] ], ]], ["p",{},[["Zoom", "*Math Zoom*: If you are having difficulty reading an equation, MathJax can " + "enlarge it to help you see it better."]] ], ["p",{},[["Accessibilty", "*Accessibility*: MathJax will automatically work with screen readers to make " + "mathematics accessible to the visually impaired."]] ], ["p",{},[["Fonts", "*Fonts*: MathJax will use certain math fonts if they are installed on your " + "computer; otherwise, it will use web-based fonts. Although not required, " + "locally installed fonts will speed up typesetting. We suggest installing " + "the [STIX fonts](%1).",STIXURL]] ] ]], ["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]], ["span",{id: "MathJax_HelpClose", onclick: HELP.Remove, onkeydown: HELP.Keydown, tabIndex: 0, role: "button", "aria-label": LOCALE._(["HelpDialog","CloseDialog"],"Close help dialog")}, [["span",{},["\u00D7"]]] ] ])); if (event.type === "mouseup") help.className += " MathJax_MousePost"; help.focus(); LOCALE.setCSS(help); var doc = (document.documentElement||{}); var H = window.innerHeight || doc.clientHeight || doc.scrollHeight || 0; if (MENU.prototype.msieAboutBug) { help.style.width = "20em"; help.style.position = "absolute"; help.style.left = Math.floor((document.documentElement.scrollWidth - help.offsetWidth)/2)+"px"; help.style.top = (Math.floor((H-help.offsetHeight)/3)+document.body.scrollTop)+"px"; } else { help.style.marginLeft = Math.floor(-help.offsetWidth/2)+"px"; help.style.top = Math.floor((H-help.offsetHeight)/3)+"px"; } }; HELP.Remove = function (event) { if (HELP.div) {document.body.removeChild(HELP.div); delete HELP.div} }; HELP.Keydown = function(event) { if (event.keyCode === KEY.ESCAPE || (this.id === "MathJax_HelpClose" && (event.keyCode === KEY.SPACE || event.keyCode === KEY.RETURN))) { HELP.Remove(event); MENU.CurrentNode().focus(); FALSE(event); } }, MathJax.Callback.Queue( HUB.Register.StartupHook("End Config",{}), // wait until config is complete ["Styles",AJAX,CONFIG.styles], ["Post",HUB.Startup.signal,"HelpDialog Ready"], ["loadComplete",AJAX,"[MathJax]/extensions/HelpDialog.js"] ); })(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax,MathJax.Localization); // @license-end