☰

GK parent comment

Adds links to parent commentary to GK comments, and sets parent commentary text as link tooltip.

  1. // ==UserScript==
  2. // @name	GK parent comment
  3. // @namespace	GK
  4. // @description	Adds links to parent commentary to GK comments, and sets parent commentary text as link tooltip.
  5. // @include	http://govnokod.ru/*
  6. // @include	http://www.govnokod.ru/*
  7. // @version	1.2.0
  8. // @grant	unsafeWindow
  9. // ==/UserScript==
  10.  
  11. (function(){
  12. function RunInPage(func) {
  13. 	var s = document.createElement("script"); 
  14. 	s.textContent = "(" + func + ")();"; 
  15. 	document.body.appendChild(s);
  16. 	setTimeout(function(){document.body.removeChild(s)}, 0);
  17. }
  18. RunInPage(function(){
  19. 	var PARENT = '<a class="comment-link comment-parent-link" href="">↑</a>';
  20. 	var $ = jQuery;
  21.  
  22. 	//dirty, DIRTY hack to wait for certain element to appear. -_- 
  23. 	//But I have no idea how to do it right.
  24. 	function waitForSelector(selector, context, mustexist, callback) {
  25. 		if (($(selector, context).length>0) == mustexist)
  26. 			callback();
  27. 		else
  28. 			setTimeout(function(){waitForSelector(selector, context, mustexist, callback)}, 50);
  29. 		}
  30.  
  31. 	//short function for adding custom CSS rules. Why use Greasemonkey specific GM_setStyle() just for that?
  32. 	function addCSS(rule) {
  33. 		var styleElement = document.createElement("style");
  34. 		styleElement.type = "text/css";
  35. 		if (typeof styleElement.styleSheet !== 'undefined')
  36. 			styleElement.styleSheet.cssText = rule;
  37. 		else
  38. 			styleElement.appendChild(document.createTextNode(rule));
  39. 		document.getElementsByTagName("head")[0].appendChild(styleElement);
  40. 		}
  41.  
  42. 	addCSS([
  43. 		'.comment-parent-link {margin-left:10px;font-size:10pt}',
  44. 		].join('/n'));
  45.  
  46. 	function hijackComments() {
  47. 		var oldLoadComments = comments['load'];
  48.  
  49. 		function newLoadComments(aElemTrigger) {
  50. 			var $parent = $(aElemTrigger).closest('.entry-comments');
  51. 			oldLoadComments.call(this,aElemTrigger);
  52. 			waitForSelector('.hcomment', $parent, true, function(){
  53. 				setParentLinks($parent);
  54. 				});
  55. 			}
  56.  
  57. 		comments['load'] = newLoadComments;
  58. 		}
  59.  
  60. 	function highlightComment(e) {
  61. 		if (! $(e.target).is('a.comment-parent-link')) return;
  62. 		var match = $(e.target).attr('href').match(/\#comment(\d+)$/);
  63. 		if (match) {
  64. 			$('body').find('.highlight').removeClass('highlight');
  65. 			$('#comment-'+match[1]).addClass('highlight');
  66. 			}
  67. 		}
  68. 		
  69. 	function setParentLinks($context) {
  70. 		$context.find('.hcomment').each(function(i,e){
  71. 			var $this = $(this);
  72. 			var $parent = $this.parents('.hcomment:eq(0)');
  73. 			if ($parent.length) {
  74. 				var $parentlink = $(PARENT);
  75. 				$parentlink.attr('href', '#'+$parent.find('a.comment-link:eq(0)').attr('name'));
  76. 				$parentlink.attr('title', $parent.find('.comment-text:eq(0)').text());
  77. 				$this.find('a.comment-link:eq(0)').after($parentlink);
  78. 				}
  79. 			});
  80. 		}
  81.  
  82. 	setParentLinks($('body'));
  83. 	hijackComments();
  84. 	$('body').click(highlightComment);
  85. 	});
  86. })();