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Diffstat (limited to 'js/mathjax/extensions/HelpDialog.js')
| -rw-r--r-- | js/mathjax/extensions/HelpDialog.js | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/js/mathjax/extensions/HelpDialog.js b/js/mathjax/extensions/HelpDialog.js new file mode 100644 index 0000000..c7663c0 --- /dev/null +++ b/js/mathjax/extensions/HelpDialog.js @@ -0,0 +1,205 @@ +// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7dn=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 |