highlight search results

src/main/webapp/js/directives.js

@@ -424,4 +424,26 @@ module.directive('droppable', [ 'CategoryService', 'FeedService',
 					});
 				}
 			};
-		} ]);
+		} ]);
+
+
+module.filter('highlight', function() {
+	return function(html, keywords) {
+		if (keywords) {
+			var tokens = keywords.split(' ');
+			for (var i = 0; i < tokens.length; i++) {
+			    var expr = new RegExp(tokens[i], 'gi');
+			    var container = $('<span>').html(html);
+			    var elements = container.find('*').addBack();
+			    var textNodes = elements.not('iframe').contents().not(elements);
+			    textNodes.each(function() {
+			    	var replaced = this.nodeValue.replace(expr, '<span class="highlight-search">$&</span>');
+			    	$('<span>').html(replaced).insertBefore(this);
+			    	$(this).remove();
+			    });
+			    return container.html();
+			}
+		}
+		return html;
+	};
+});