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 2016-10-24 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 0.72
  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. // @include *
  12. // ==/UserScript==
  13.  
  14. (function() {
  15. 'use strict';
  16. var codeIcon=document.createElement("img");
  17. var codes, scrollX, scrollY;
  18. codeIcon.style="position:fixed;z-index:99999;display:none;cursor: pointer;";
  19. codeIcon.title="Show this code snippet";
  20. codeIcon.src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAYAgMAAACD0OXYAAAACVBMVEX7+/swMDBTU1MLxgsCAAAAJElEQVQI12MIBYEAGLUKBBbAqAUMQICgAoAqoBQ95JaCnASjAAgXMdk3d5HTAAAAAElFTkSuQmCC";
  21. codeIcon.onmousedown=function(){
  22. let c = window.open("", "_blank", "width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=0");
  23. let html='<title>Code Snippet</title>'+
  24. '<link rel="stylesheet" href="https://cdn.rawgit.com/google/code-prettify/master/styles/sons-of-obsidian.css"/>'+
  25. '<script>var code,codeStr;window.onload=function(){code=document.querySelector("#code");codeStr=code.innerHTML.replace(/&nbsp;/g, " ").replace(/&gt;/g, "&").replace(/&#39;/g, "\\\'").replace(/&quot;/g, "\\\"").replace(/<br>/g, "\\n");prettyPrint();}</script>'+
  26. '<script src="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.js?skin=sons-of-obsidian"></script>'+
  27. '<script src="https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.6.4/beautify.min.js"></script>'+
  28. '<script src="https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.6.4/beautify-html.min.js"></script>'+
  29. '<script src="https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.6.4/beautify-css.min.js"></script>'+
  30. 'Code formatting: <a href="#" onclick="code.innerHTML=js_beautify(codeStr);code.className=\'prettyprint linenums\';prettyPrint();return false;">Javaspcript</a> '+
  31. '<a href="#" onclick="code.innerHTML=html_beautify(codeStr);code.className=\'prettyprint linenums\';prettyPrint();return false;">Html</a> '+
  32. '<a href="#" onclick="code.innerHTML=css_beautify(codeStr);code.className=\'prettyprint linenums\';prettyPrint();return false;">Css</a> '+
  33. '<a href="#" onclick="code.innerHTML=codeStr;code.className=\'prettyprint linenums\';prettyPrint();return false;">Raw</a> <b style="color:red">('+codes.length+' words)</b>'+
  34. '<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>";
  35. c.document.write(html);
  36. c.document.close();
  37. };
  38. document.body.appendChild(codeIcon);
  39. document.addEventListener('mousedown', function(o) {
  40. codeIcon.style.display="none";
  41. });
  42. document.addEventListener('mouseup', function(o) {
  43. if (o.button === 0 && (o.ctrlKey || o.altKey || o.metaKey)) {
  44. setTimeout(function(){
  45. codes = document.getSelection().toString().replace(/\</g,"&lt;").replace(/\>/g,"&gt;");
  46. if(codes){
  47. codeIcon.style.display="block";
  48. let pos=getMousePos(o);
  49. let left, top;
  50. if(unsafeWindow.chrome){
  51. top=pos.y>document.documentElement.clientHeight-50?(pos.y-25):(pos.y+15);
  52. left=pos.x>document.documentElement.clientWidth-50?(pos.x-25):(pos.x+15);
  53. }else{
  54. top=pos.y;
  55. left=pos.x;
  56. }
  57. codeIcon.style.top=top+"px";
  58. codeIcon.style.left=left+"px";
  59. }
  60. },1);
  61. }
  62. },false);
  63.  
  64. function getMousePos(event) {
  65. var e = event || window.event;
  66. scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
  67. scrollY = document.documentElement.scrollTop || document.body.scrollTop;
  68. var x = (e.pageX || e.clientX) - scrollX;
  69. var y = (e.pageY || e.clientY) - scrollY;
  70. return { 'x': x, 'y': y };
  71. }
  72. })();