From 7fddb1c5b5137887f6c145f54e47f946ceb9741d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Scott=20Gonz=C3=A1lez?= <scott.gonzalez@gmail.com>
Date: Tue, 10 May 2011 13:56:59 -0400
Subject: [PATCH] Tabs: Fixed show event.

---
 tests/unit/tabs/tabs_deprecated.js | 49 +++++++++++++++++++++---------
 ui/jquery.ui.tabs.js               | 26 +++++++++-------
 2 files changed, 50 insertions(+), 25 deletions(-)

diff --git a/tests/unit/tabs/tabs_deprecated.js b/tests/unit/tabs/tabs_deprecated.js
index 49999670f..539e9b94d 100644
--- a/tests/unit/tabs/tabs_deprecated.js
+++ b/tests/unit/tabs/tabs_deprecated.js
@@ -251,24 +251,45 @@ test( "disable", function() {
 	element.tabs( "disable", 1 );
 });
 
-test('show', function() {
-	expect(5);
 
-	var uiObj, eventObj;
-	el = $('#tabs1').tabs({
-		show: function(event, ui) {
-			uiObj = ui;
-			eventObj = event;
-		}
+test( "show", function() {
+	expect( 13 );
+
+	var element = $( "#tabs1" ).tabs({
+			active: false,
+			collapsible: true
+		}),
+		tabs = element.find( ".ui-tabs-nav a" ),
+		panels = element.find( ".ui-tabs-panel" );
+
+	// from collapsed
+	element.one( "tabsshow", function( event, ui ) {
+		ok( !( "originalEvent" in event ), "originalEvent" );
+		strictEqual( ui.tab, tabs[ 0 ], "ui.tab" );
+		strictEqual( ui.panel, panels[ 0 ], "ui.panel" );
+		equal( ui.index, 0 );
+		tabs_state( element, 1, 0, 0 );
 	});
-	ok(uiObj !== undefined, 'trigger callback after initialization');
-	equals(uiObj.tab, $('a', el)[0], 'contain tab as DOM anchor element');
-	equals(uiObj.panel, $('div', el)[0], 'contain panel as DOM div element');
-	equals(uiObj.index, 0, 'contain index');
+	element.tabs( "option", "active", 0 );
+	tabs_state( element, 1, 0, 0 );
 
-	el.find( "li:eq(1) a" ).simulate( "click" );
-	equals( eventObj.originalEvent.type, "click", "show triggered by click" );
+	// switching tabs
+	element.one( "tabsshow", function( event, ui ) {
+		equals( event.originalEvent.type, "click", "originalEvent" );
+		strictEqual( ui.tab, tabs[ 1 ], "ui.tab" );
+		strictEqual( ui.panel, panels[ 1 ], "ui.panel" );
+		equal( ui.index, 1 );
+		tabs_state( element, 0, 1, 0 );
+	});
+	tabs.eq( 1 ).click();
+	tabs_state( element, 0, 1, 0 );
 
+	// collapsing
+	element.one( "tabsshow", function( event, ui ) {
+		ok( false, "collapsing" );
+	});
+	element.tabs( "option", "active", false );
+	tabs_state( element, 0, 0, 0 );
 });
 
 test('select', function() {
diff --git a/ui/jquery.ui.tabs.js b/ui/jquery.ui.tabs.js
index cd9b04f0d..dca6a538d 100644
--- a/ui/jquery.ui.tabs.js
+++ b/ui/jquery.ui.tabs.js
@@ -108,15 +108,7 @@ $.widget( "ui.tabs", {
 			var panel = that._getPanelForTab( this.active );
 
 			panel.show();
-
 			this.lis.eq( options.active ).addClass( "ui-tabs-active ui-state-active" );
-
-			// TODO: we need to remove this or add it to accordion
-			// seems to be expected behavior that the activate callback is fired
-			that.element.queue( "tabs", function() {
-				that._trigger( "activate", null, that._ui( that.active[ 0 ], panel[ 0 ] ) );
-			});
-
 			this.load( options.active );
 		} else {
 			this.active = $();
@@ -968,8 +960,16 @@ if ( $.uiBackCompat !== false ) {
 			show: null,
 			select: null
 		});
-		var _trigger = prototype._trigger;
+		var _create = prototype._create,
+			_trigger = prototype._trigger;
 
+		prototype._create = function() {
+			_create.call( this );
+			if ( this.options.active !== false ) {
+				this._trigger( "show", null, this._ui(
+					this.active[ 0 ], this._getPanelForTab( this.active )[ 0 ] ) );
+			}
+		}
 		prototype._trigger = function( type, event, data ) {
 			var ret = _trigger.apply( this, arguments );
 			if ( !ret ) {
@@ -981,8 +981,12 @@ if ( $.uiBackCompat !== false ) {
 					panel: data.newPanel[ 0 ],
 					index: data.newTab.closest( "li" ).index()
 				});
-			} else if ( type === "activate" ) {
-				ret = _trigger.call( this, "show", event, data );
+			} else if ( type === "activate" && data.newTab.length ) {
+				ret = _trigger.call( this, "show", event, {
+					tab: data.newTab[ 0 ],
+					panel: data.newPanel[ 0 ],
+					index: data.newTab.closest( "li" ).index()
+				});
 			}
 		};
 	}( jQuery, jQuery.ui.tabs.prototype ) );
-- 
2.39.5