Wikipedia Math-Editor Dialog

A Simple Latex Editor Dialog!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Wikipedia Math-Editor Dialog
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  A Simple Latex Editor Dialog!
// @author       KnIfER
// @match        https://en.wikipedia.org/*
// @match        https://en.jinzhao.wiki/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

function gid(id){
	return document.getElementById(id);
}

// formatted to one line by https://www.sojson.com/jshtml.html
// normal multiline version is here https://github.com/KnIfER/Extesions/blob/master/WikiKatexEditor/katexEss.html
var pageData = '<meta charset="UTF-8"><style>.KaDlg_Info.KaDlg_MousePost{}.KaDlg_Info.KaDlg_MousePost{}.KaDlg_Info.KaDlg_MousePost{outline:none}.KaDlg_Info{position:fixed;left:50%;width:auto;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:nowrap;float:none;z-index:201;border-radius:15px;-webkit-border-radius:15px;-moz-border-radius:15px;-khtml-border-radius:15px;box-shadow:0px 10px 20px#808080;-webkit-box-shadow:0px 10px 20px#808080;-moz-box-shadow:0px 10px 20px#808080;-khtml-box-shadow:0px 10px 20px#808080;filter:progid:DXImageTransform.Microsoft.dropshadow(OffX=2,OffY=2,Color="gray",Positive="true")}*{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.KaDlg_MenuFrame{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px;line-height:1.42857143}.KaDlg_InfoContent{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;white-space:normal}.KaDlg_MenuClose{position:absolute;cursor:pointer;display:inline-block;border:2px solid#AAA;border-radius:18px;-webkit-border-radius:18px;-moz-border-radius:18px;-khtml-border-radius:18px;font-family:"Courier New",Courier;font-size:24px;color:#F0F0F0}.KaDlg_InfoClose{top:.2em;right:.2em}.KaDlg_MenuClose span{display:block;background-color:#AAA;border:1.5px solid;border-radius:18px;-webkit-border-radius:18px;-moz-border-radius:18px;-khtml-border-radius:18px;line-height:0;padding:8px 0 6px}.KaDlg_InfoContent pre{font-size:125%;margin:0;outline:none;background-color:transparent!important;padding:0!important}</style><div id="KaDlgM"class="KaDlg_MenuFrame"style="position: absolute; left: 0px; top: 0px; z-index: 200; width: 100%; height: 100%; border: 0px; padding: 0px; margin: 0px;"><div onclick="KaDlg.f()"style="position: fixed; left: 0px; top: 0px; z-index: 200; width: 100%; height: 100%; border: 0px; padding: 0px; margin: 0px;"></div><div class="KaDlg_Info KaDlg_MousePost"role="dialog"tabindex="0"style="margin-left: -239px; top: 146px;"><span class="KaDlg_InfoTitle">KaTex Editor</span><div class="KaDlg_InfoContent"tabindex="0"><pre id="et"contenteditable=true spellcheck=false></pre></div><div class="KaDlg_InfoContent"id="tex"tabindex="0"></div><span class="KaDlg_InfoSignature"><input type="button"value="Copy to Clipboard"></span><span onclick="KaDlg.f1()"class="KaDlg_MenuClose KaDlg_InfoClose"role="button"tabindex="0"aria-label="Close Dialog Box"><span>×</span></span></div></div><script id="KaTexDlg">function f1(vis){var m=gid("KaDlgM");m.style.display="none"}function f(vis){var m=gid("KaDlgM");if(vis){m.style.display="block"}else{var ev=window.event||arguments.callee.caller.arguments[0];m.style.display="none"}}function loadScript(url,callback){var item=document.createElement("script");item.type="text/javascript";item.onload=callback;item.src=url;document.head.appendChild(item)}function loadCss(url){var item=document.createElement("link");item.rel="stylesheet";item.type="text/css";item.href=url;document.head.appendChild(item)}window.initKaDlg=function(e){var et=document.getElementById("et");if(!et.upd){if(!window.KaDlg){loadCss("https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.css");loadScript("https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js",function(){initKaDlg(e)});window.KaDlg={f1:f1,f:f};console.log("全力加载中……");return}var el=document.getElementById("tex");function upd(){katex.render(et.innerText,el,{throwOnError:false})}et.addEventListener("input",function(){upd()});et.upd=upd}f(true);et.innerText=e;et.upd()}</script>';


window.addEventListener("click",function(e){
	if(e.target.tagName==="IMG") {
		if(e.target.className.indexOf("math")>=0){ // only do this to math pictures
            var lt = e.target.alt;
			if(!window.initKaDlg){
                document.body.innerHTML+=pageData;
                eval(gid("KaTexDlg").innerText)
                initKaDlg(lt);
				console.log('sending...');
			} else {
				initKaDlg(lt);
			}
		}
	}
});
})();