Userscripts.org

There are 14 previous versions of this script.

// ==UserScript==
// @name           HabrTree
// @namespace      dotneter
// @include http://habrahabr.ru/post/*
// @include http://habrahabr.ru/company/*/blog/*
// ==/UserScript==

var scoreLeftSide = false;
var autoSort = false;
var green = "#339900";
var red = "#CC0000";
var neutral = "#339900";
var hightlight = "LightGreen";

if ('undefined' == typeof __PAGE_SCOPE_RUN__) {
	(function page_scope_runner() {
		// If we're _not_ already running in the page, grab the full source
		// of this script.
		var my_src = "(" + page_scope_runner.caller.toString() + ")();";

		// Create a script node holding this script, plus a marker that lets us
		// know we are running in the page scope (not the Greasemonkey sandbox).
		// Note that we are intentionally *not* scope-wrapping here.
		var script = document.createElement('script');
		script.setAttribute("type", "application/javascript");
		script.setAttribute("src",
			"data:,"+escape("var __PAGE_SCOPE_RUN__ = true;\n" + my_src));

			// Insert the script node into the page, so it will run, and immediately
			// remove it to clean up.  Use setTimeout to force execution "outside" of
			// the user script scope completely.
			setTimeout(function() {
				document.body.appendChild(script);
				document.body.removeChild(script);
			}, 0);
	})();

	// Stop running, because we know Greasemonkey actually runs us in
	// an anonymous wrapper.
	return;
}





function letsJQuery() {
	(function($){


		$(function(){
			if(scoreLeftSide){
				var comments = $("#comments");
				comments.css({overflow:'visible'});
				$("#comments .mark").css({position:"absolute", right:comments.width()});
			}





			function tag(name, attrs){
				return $("<" + name + ">", attrs);
			}

			function getIntRating(span){
				var rating = span.html();
				if(!rating) return 0;
				var minus = rating.indexOf('–') >= 0 ? -1 : 1;
				rating = /(\d+)/.exec(rating)[1];
				return parseInt(rating,10) * minus;
			}

			function desc(a,b) { return b - a; }

			function hightlightRating(i){
				$("a.open-comment").remove();
				$("div.comment_item").each(function(){
					var comment = $(this);
					var message = $('div.message:first',comment);
					message.css("border-top", "");
					var rating = getIntRating($(scoreSelector+':first',comment));
					if(rating >= i){
						message.show();
						var color = hightlight;
						message.css("border-top", "5px solid " + color);
						message.parents("div.comment_item.comment-close").each(function(){
							showMessage($(this));
						});
					}else{
						comment.addClass("comment-close");
						message.hide();
						$("div.reply_comments:first",comment).hide();
						addOpenLink(comment);

					}
				});
			}

			function showMessage(comment){
				comment.removeClass("comment-close");
				$("a.open-comment:first", comment).remove();
				$("div.message:first", comment).show();
				$("div.reply_comments:first", comment).show();
			}

			function addOpenLink(comment){
				var div = $("div.reply:first", comment);
				var open = tag("a", {"class": "reply open-comment", href:"#", text:"раскрыть"});
				open.click(function(){
					showMessage(comment);
					return false;
				});
				div.append(open);
			}

			var scoreSelector = "span.score";

			var maxRating = 0;
			function showRatings(){
				var ratings = {};
				$("#comments " + scoreSelector).each(function(){
					var intRating = getIntRating($(this));
					if(!ratings[intRating]) ratings[intRating] = 0;
					ratings[intRating] = ratings[intRating] + 1;		
				});

				var ratingsDiv = tag('div');
				var ratingsSorted = $.map(ratings, function(i,k){return parseInt(k,10);}).sort(desc);
				if(!ratingsSorted.length)
					return;
				$.each(ratingsSorted, function(k,i){
					var anchor = tag('a', {'class': 'rating-link', href:"#", text:i}).css("color", getRatingColor(i));
					anchor.click(function(){
						hightlightRating(parseInt(anchor.html(),10));
						return false;
					});
					ratingsDiv.append(anchor);
					if(ratings[i] > 1) ratingsDiv.append("(" + ratings[i] + ") ");
					else  ratingsDiv.append(" ");
				});

				$("#comments").prepend(ratingsDiv);
			}

			showRatings();

			function getRatingColor(rating){
				if(rating < 0)
					return red;
				if(rating === 0)
					return neutral;
				return green;
			}
			$.fn.sortElements = (function(){

				var sort = [].sort;

				return function(comparator, getSortable) {

					getSortable = getSortable || function(){return this;};

					var placements = this.map(function(){

						var sortElement = getSortable.call(this),
						parentNode = sortElement.parentNode,

						nextSibling = parentNode.insertBefore(
							document.createTextNode(''),
							sortElement.nextSibling);

							return function() {

								if (parentNode === this) {
									throw new Error(
										"You can't sort elements if any one is a descendant of another.");
								}

								parentNode.insertBefore(this, nextSibling);
								parentNode.removeChild(nextSibling);

							};

					});

					return sort.call(this, comparator).each(function(i){
						placements[i].call(getSortable.call(this));
					});

				};

			})();


			if(autoSort){
				(function sortComments(){
					var mylist = $('#comments>div.comment_item');
					mylist.sortElements(function(a, b){
						var ratingA = getIntRating($(scoreSelector, a).first());
						var ratingB = getIntRating($(scoreSelector, b).first());
						return ratingB - ratingA;
					});
				})();
			}



		});

	})(jQuery);





}
letsJQuery();