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代码片段高亮

选择代码片段后点击图标弹出新窗口显示高亮、美化后的代码与字数统计

当前为 2016-10-31 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Highlight Every Code
  3. // @name:zh-CN   代码片段高亮
  4. // @name:zh-TW   代碼片斷高亮
  5. // @namespace    hoothin
  6. // @version      0.77
  7. // @description  Add a icon to popup a window that allows syntax highlighting and beautify and word count of source code snippets on current page
  8. // @description:zh-CN 选择代码片段后点击图标弹出新窗口显示高亮、美化后的代码与字数统计
  9. // @description:zh-TW 選擇代碼片段后點擊圖標彈出新窗口顯示高亮、美化后的代碼與字數統計
  10. // @author       Hoothin
  11. // @grant        GM_openInTab
  12. // @compatible   chrome
  13. // @compatible   firefox
  14. // @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=rixixi@sina.com&item_name=Greasy+Fork+donation
  15. // @contributionAmount 1
  16. // @include      *
  17. // ==/UserScript==
  18.  
  19. (function() {
  20.     'use strict';
  21.     var isChrome=unsafeWindow.chrome;
  22.     var codeIcon=document.createElement("img");
  23.     var codes, scrollX, scrollY;
  24.     codeIcon.style="position:fixed;z-index:99999;display:none;cursor: pointer;";
  25.     codeIcon.title="Show this code snippet";
  26.     codeIcon.src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAYAgMAAACD0OXYAAAACVBMVEX7+/swMDBTU1MLxgsCAAAAJElEQVQI12MIBYEAGLUKBBbAqAUMQICgAoAqoBQ95JaCnASjAAgXMdk3d5HTAAAAAElFTkSuQmCC";
  27.     codeIcon.onmousedown=function(){
  28.         let html='<title>Code Snippet</title>'+
  29.             '<link rel="stylesheet" href="http'+(isChrome?'s':'')+'://cdn.rawgit.com/google/code-prettify/master/styles/sons-of-obsidian.css"/>'+
  30.             '<script>var code,codeStr;window.onload=function(){code=document.querySelector("#code");codeStr=code.innerHTML.replace(/&nbsp;/g, " ").replace(/&amp;/g, "&").replace(/&#39;/g, "\\\'").replace(/&quot;/g, "\\\"").replace(/<br>/g, "\\n");prettyPrint();}</script>'+
  31.             '<script src="http'+(isChrome?'s':'')+'://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.js?skin=sons-of-obsidian"></script>'+
  32.             '<script src="http'+(isChrome?'s':'')+'://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.6.4/beautify.min.js"></script>'+
  33.             '<script src="http'+(isChrome?'s':'')+'://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.6.4/beautify-html.min.js"></script>'+
  34.             '<script src="http'+(isChrome?'s':'')+'://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.6.4/beautify-css.min.js"></script>'+
  35.             'Code formatting: <a href="#" onclick="code.innerHTML=js_beautify(codeStr);code.className=\'prettyprint linenums\';prettyPrint();return false;">Javaspcript</a> '+
  36.             '<a href="#" onclick="code.innerHTML=html_beautify(codeStr);code.className=\'prettyprint linenums\';prettyPrint();return false;">Html</a> '+
  37.             '<a href="#" onclick="code.innerHTML=css_beautify(codeStr);code.className=\'prettyprint linenums\';prettyPrint();return false;">Css</a> '+
  38.             '<a href="#" onclick="code.innerHTML=codeStr;code.className=\'prettyprint linenums\';prettyPrint();return false;">Raw</a> <b style="color:red">('+codes.length+' words)</b>'+
  39.             '<pre id="code" class="prettyprint linenums" style="word-wrap: break-word; white-space: pre-wrap;border: 1px solid rgb(136, 136, 204);border-radius: 8px;">' + codes + "</pre>";
  40.         if(isChrome){
  41.             let c = window.open("", "_blank", "width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=0");
  42.             c.document.write(html);
  43.             c.document.close();
  44.         }else{
  45.             GM_openInTab('data:text/html;charset=utf-8,' + encodeURIComponent(html));
  46.         }
  47.     };
  48.     document.body.appendChild(codeIcon);
  49.     document.addEventListener('mousedown', function(o) {
  50.         codeIcon.style.display="none";
  51.     });
  52.     document.addEventListener('mouseup', function(o) {
  53.         if (o.button === 0 && (o.ctrlKey || o.altKey || o.metaKey)) {
  54.             setTimeout(function(){
  55.                 codes = document.getSelection().toString().replace(/\</g,"&lt;").replace(/\>/g,"&gt;");
  56.                 if(codes){
  57.                     codeIcon.style.display="block";
  58.                     let pos=getMousePos(o);
  59.                     let left, top;
  60.                     if(isChrome){
  61.                         top=pos.y>document.documentElement.clientHeight-50?(pos.y-25):(pos.y+15);
  62.                         left=pos.x>document.documentElement.clientWidth-50?(pos.x-25):(pos.x+15);
  63.                     }else{
  64.                         top=pos.y-25;
  65.                         left=pos.x+15;
  66.                     }
  67.                     codeIcon.style.top=top+"px";
  68.                     codeIcon.style.left=left+"px";
  69.                 }
  70.             },1);
  71.         }
  72.     },false);
  73.  
  74.     function getMousePos(event) {
  75.         var e = event || window.event;
  76.         scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
  77.         scrollY = document.documentElement.scrollTop || document.body.scrollTop;
  78.         var x = (e.pageX || e.clientX) - scrollX;
  79.         var y = (e.pageY || e.clientY) - scrollY;
  80.         return { 'x': x, 'y': y };
  81.     }
  82. })();