Fixed jquery#2340: Consistent parameters for dispatched events and callbacks.

Author: scottgonzalez

ui/ui.accordion.js

@@ -111,7 +111,7 @@ function completed(cancel) {
 			overflow: ""
 		});
 	}
-	$(this).triggerHandler("accordionchange", [options.data], options.change);
+	$(this).triggerHandler("accordionchange", [null, options.data], options.change);
 }
 
 function toggle(toShow, toHide, data, clickedActive, down) {

ui/ui.tabs.js

@@ -134,7 +134,7 @@ $.widget("ui.tabs", {
 				// seems to be expected behavior that the show callback is fired
 				var onShow = function() {
 					$(self.element).triggerHandler('tabsshow',
-						[self.ui(self.$tabs[o.selected], self.$panels[o.selected])], o.show);
+						[null, self.ui(self.$tabs[o.selected], self.$panels[o.selected])], o.show);
 				}; 
 
 				// load if remote tab
@@ -198,7 +198,7 @@ $.widget("ui.tabs", {
 
 				// callback
 				$(self.element).triggerHandler('tabsshow',
-					[self.ui(clicked, $show[0])], o.show);
+					[null, self.ui(clicked, $show[0])], o.show);
 
 			});
 		}
@@ -228,7 +228,7 @@ $.widget("ui.tabs", {
 			if (($li.hasClass(o.selectedClass) && !o.unselect)
 				|| $li.hasClass(o.disabledClass) 
 				|| $(this).hasClass(o.loadingClass)
-				|| $(self.element).triggerHandler('tabsselect', [self.ui(this, $show[0])], o.select) === false
+				|| $(self.element).triggerHandler('tabsselect', [null, self.ui(this, $show[0])], o.select) === false
 				) {
 				this.blur();
 				return false;
@@ -354,7 +354,7 @@ $.widget("ui.tabs", {
 
 		// callback
 		this.element.triggerHandler('tabsadd',
-			[this.ui(this.$tabs[index], this.$panels[index])], o.add
+			[null, this.ui(this.$tabs[index], this.$panels[index])], o.add
 		);
 	},
 	remove: function(index) {
@@ -373,7 +373,7 @@ $.widget("ui.tabs", {
 
 		// callback
 		this.element.triggerHandler('tabsremove',
-			[this.ui($li.find('a')[0], $panel[0])], o.remove
+			[null, this.ui($li.find('a')[0], $panel[0])], o.remove
 		);
 	},
 	enable: function(index) {
@@ -393,7 +393,7 @@ $.widget("ui.tabs", {
 
 		// callback
 		this.element.triggerHandler('tabsenable',
-			[this.ui(this.$tabs[index], this.$panels[index])], o.enable
+			[null, this.ui(this.$tabs[index], this.$panels[index])], o.enable
 		);
 
 	},
@@ -407,7 +407,7 @@ $.widget("ui.tabs", {
 
 			// callback
 			this.element.triggerHandler('tabsdisable',
-				[this.ui(this.$tabs[index], this.$panels[index])], o.disable
+				[null, this.ui(this.$tabs[index], this.$panels[index])], o.disable
 			);
 		}
 	},
@@ -461,7 +461,7 @@ $.widget("ui.tabs", {
 
 				// callbacks
 				$(self.element).triggerHandler('tabsload',
-					[self.ui(self.$tabs[index], self.$panels[index])], o.load
+					[null, self.ui(self.$tabs[index], self.$panels[index])], o.load
 				);
 				o.ajaxOptions.success && o.ajaxOptions.success(r, s);