Ticket #3177: click-prevention.patch

Index: /Users/sgonzale/Documents/workspace/jQuery UI/ui/ui.core.js
===================================================================
--- /Users/sgonzale/Documents/workspace/jQuery UI/ui/ui.core.js	(revision 2067)
+++ /Users/sgonzale/Documents/workspace/jQuery UI/ui/ui.core.js	(working copy)
@@ -171,6 +171,24 @@
 		}
 
 		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
+	},
+
+	bindFirst: function(types, data, fn) {
+		return this.each(function(index, elem) {
+			$.each(types.split(/\s+/), function(index, type) {
+				var eventType = type.split(".").shift(),
+					events = $.data(elem, "events"),
+					originalEvents = events && events[eventType] || null;
+
+				if (!originalEvents) {
+					return $(elem).bind(type, data, fn);
+				}
+
+				events[eventType] = {};
+				$(elem).bind(type, data, fn);
+				$.extend(events[eventType], originalEvents);
+			});
+		});
 	}
 });
 
@@ -377,9 +395,10 @@
 			.bind('mousedown.'+this.widgetName, function(event) {
 				return self._mouseDown(event);
 			})
-			.bind('click.'+this.widgetName, function(event) {
+			.bindFirst('click.'+this.widgetName, function(event) {
 				if(self._preventClickEvent) {
 					self._preventClickEvent = false;
+					event.stopImmediatePropagation();
 					return false;
 				}
 			});