Tabs: Fix issues with refresh method, add refresh method tests

tests/unit/tabs/tabs_methods.js

@@ -86,7 +86,7 @@ test( "disable( index )", function() {
 });
 
 test('refresh', function() {
-	expect(5);
+	expect( 13 );
 
 	var el = $('<div id="tabs"><ul></ul></div>').tabs(),
 		ul = el.find('ul');
@@ -95,22 +95,45 @@ test('refresh', function() {
 
 	ul.append('<li><a href="data/test.html">Test 1</a></li>');
 	el.tabs('refresh');
+	equals( el.tabs('option', 'active'), 0, 'First tab added should be auto active');
+	ok( $( "li:eq(0)", el).is('.ui-tabs-active'), 'First tab should be auto active');
 	equals( el.find('.ui-tabs-panel').length, 1, 'Panel created after refresh');
 
 	ul.find('li').remove();
 	el.tabs('refresh');
 	equals( el.find('.ui-tabs-panel').length, 0, 'Panel removed after refresh');
+	equals( el.tabs('option', 'active'), false, 'No tabs are active');
 
-	ul.append('<li><a href="#test1">Test 1</a></li>');
-	$('<div id="test1">Test Panel 1</div>').insertAfter( ul );
+	// Hide second tab
+	$('<li><a href="#test1">Test 1</a></li><li><a href="#test2">Test 2</a></li><li><a href="#test3">Test 3</a></li>')
+		.appendTo( ul );
+	$('<div id="test1">Test Panel 1</div><div id="test2">Test Panel 2</div><div id="test3">Test Panel 3</div>')
+		.insertAfter( ul );
 	el.tabs('refresh');
-	el.tabs('option', 'active', 0);
-	equals( el.tabs('option', 'active'), 0, 'First tab added should be auto active');
+	equals( el.tabs('option', 'active'), 0, 'Second tab added should not be auto active');
+	equals( $( "#test2", el ).css("display"), "none", 'Second panel is hidden');
 
-	ul.append('<li><a href="#test2">Test 2</a></li>');
-	$('<div id="test2">Test Panel 2</div>').insertAfter( ul );
+	// Make second tab active and then remove the first one
+	el.tabs('option', 'active', 1);
+	el.find('a[href="#test1"]').parent().remove();
 	el.tabs('refresh');
-	equals( el.tabs('option', 'active'), 0, 'Second tab added should not be auto active');
+	equals( el.tabs('option', 'active'), 0, 'Active index correctly updated');
+	ok( el.find('a[href="#test2"]').parent().is('.ui-tabs-active'), 'Tab is still active');
+
+	// Refresh with disabled tabs
+	el.tabs('disable', 1);
+	same( el.tabs('option', 'disabled'), [ 1 ], 'Second tab disabled');
+
+	el.find('a[href="#test3"]').remove();
+	ul.append('<li><a href="#test4">Test 4</a></li>');
+	$('<div id="test4">Test Panel 4</div>').insertAfter( ul );
+	el.tabs('refresh');
+	equals( el.tabs('option', 'disabled'), false, 'Not disabled');
+
+	ul.append('<li class="ui-state-disabled"><a href="#test3">Test 3</a></li>');
+	$('<div id="test3">Test Panel 3</div>').insertAfter( ul );
+	el.tabs('refresh');
+	same( el.tabs('option', 'disabled'), [ 2 ], 'Second tab disabled');
 });
 
 test('load', function() {

ui/jquery.ui.tabs.js

@@ -81,7 +81,7 @@ $.widget( "ui.tabs", {
 		options.active = active;
 
 		// don't allow collapsible: false and active: false
-		if ( !options.collapsible && options.active === false ) {
+		if ( !options.collapsible && options.active === false && this.anchors.length ) {
 			options.active = 0;
 		}
 
@@ -170,7 +170,14 @@ $.widget( "ui.tabs", {
 	},
 
 	refresh: function() {
-		var self = this;
+		var self = this,
+			options = this.options,
+			lis = $( " > li:has(a[href])", this.list );
+
+		// Get disabled tabs from class attribute from HTML
+		options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( n ) {
+			return lis.index( n );
+		});
 
 		this._processTabs();
 
@@ -183,6 +190,20 @@ $.widget( "ui.tabs", {
 				$( panel ).remove();
 			}
 		});
+
+		this.panels.not( this._getPanelForTab( this.active ) ).hide();
+
+		if ( !this.anchors.length ) {
+			options.active = false;
+			this.active = $();
+		} else if ( !this.active || ( this.active && !$.contains( this.list[ 0 ], this.active[ 0 ] ) ) ) {
+			// Activate previous tab
+			var next = options.active - 1;
+			this._activate( next >= 0 ? next : 0 );
+		} else {
+			// Make sure active index is correct
+			options.active = this.anchors.index( this.active );
+		}
 	},
 
 	_refresh: function() {
@@ -841,17 +862,6 @@ if ( $.uiBackCompat !== false ) {
 
 			this.refresh();
 
-			if ( this.anchors.length == 1 ) {
-				o.active = o.selected = 0;
-				$li.addClass( "ui-tabs-active ui-state-active" );
-				$panel.show();
-				this.element.queue( "tabs", function() {
-					self._trigger( "activate", null, self._ui( self.anchors[ 0 ], self.panels[ 0 ] ) );
-				});
-
-				this.load( 0 );
-			}
-
 			this._trigger( "add", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
 			return this;
 		};