]> source.dussan.org Git - jquery-ui.git/commitdiff
Tabs: Move tabs into widgets directory
authorAlexander Schmitz <arschmitz@gmail.com>
Wed, 15 Jul 2015 02:11:35 +0000 (22:11 -0400)
committerAlexander Schmitz <arschmitz@gmail.com>
Sat, 8 Aug 2015 04:29:39 +0000 (00:29 -0400)
Ref #13885

demos/bootstrap.js
tests/unit/tabs/common.js
tests/unit/tabs/core.js
tests/unit/tabs/events.js
tests/unit/tabs/helper.js
tests/unit/tabs/methods.js
tests/unit/tabs/options.js
ui/tabs.js [deleted file]
ui/widgets/tabs.js [new file with mode: 0644]

index 7a6202d1859467e57dc366f4de10fccb46df1437..7407de3e4120e7cf83a8732686a2cb9e69032d30 100644 (file)
@@ -40,7 +40,8 @@ var widgets = [
        "selectmenu",
        "slider",
        "sortable",
-       "spinner"
+       "spinner",
+       "tabs"
 ];
 
 function getPath( module ) {
index d3aa5cd48ea48217e47d360904d87e1a0dce5ea2..42dd0c2fc5097c50f896ae7f1f242fc6293cbd98 100644 (file)
@@ -1,6 +1,6 @@
 define( [
        "lib/common",
-       "ui/tabs"
+       "ui/widgets/tabs"
 ], function( common ) {
 
 common.testWidget( "tabs", {
index 0d9a7306bee42bf99da98d40656637901f7a0b5f..b64f1d8f36f48e0bce776359a3413492943eee28 100644 (file)
@@ -1,7 +1,7 @@
 define( [
        "jquery",
        "./helper",
-       "ui/tabs"
+       "ui/widgets/tabs"
 ], function( $, testHelper ) {
 
 var state = testHelper.state;
index d54d479264506a838efd867d327afc6b9c7800bd..7e3d27fdaedf0e627e58dde188d67e6e7fd9a648 100644 (file)
@@ -1,7 +1,7 @@
 define( [
        "jquery",
        "./helper",
-       "ui/tabs"
+       "ui/widgets/tabs"
 ], function( $, testHelper ) {
 
 var state = testHelper.state;
index 5c9625f8c5fd0f0fc8f2122d3e7608c8fb9b0287..132061753df8e15237178e150e3c667ea08992b3 100644 (file)
@@ -1,7 +1,7 @@
 define( [
        "jquery",
        "lib/helper",
-       "ui/tabs"
+       "ui/widgets/tabs"
 ], function( $, helper ) {
 
 return $.extend( helper, {
index 5975e58893036a74bcc81ca9f31586760670402c..3be31c5f8a14a61d9e254a4a5dd051ca195dae51 100644 (file)
@@ -1,7 +1,7 @@
 define( [
        "jquery",
        "./helper",
-       "ui/tabs"
+       "ui/widgets/tabs"
 ], function( $, testHelper ) {
 
 var disabled = testHelper.disabled,
index dc1a03505b6cc5a8a679175d28876eb36c9cc295..39771efe6ceb044c73c787311e1af2c8bd313658 100644 (file)
@@ -1,7 +1,7 @@
 define( [
        "jquery",
        "./helper",
-       "ui/tabs"
+       "ui/widgets/tabs"
 ], function( $, testHelper ) {
 
 var disabled = testHelper.disabled,
diff --git a/ui/tabs.js b/ui/tabs.js
deleted file mode 100644 (file)
index e2cfa3a..0000000
+++ /dev/null
@@ -1,902 +0,0 @@
-/*!
- * jQuery UI Tabs @VERSION
- * http://jqueryui.com
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license.
- * http://jquery.org/license
- */
-
-//>>label: Tabs
-//>>group: Widgets
-//>>description: Transforms a set of container elements into a tab structure.
-//>>docs: http://api.jqueryui.com/tabs/
-//>>demos: http://jqueryui.com/tabs/
-//>>css.structure: ../themes/base/core.css
-//>>css.structure: ../themes/base/tabs.css
-//>>css.theme: ../themes/base/theme.css
-
-( function( factory ) {
-       if ( typeof define === "function" && define.amd ) {
-
-               // AMD. Register as an anonymous module.
-               define( [
-                       "jquery",
-                       "./escape-selector",
-                       "./keycode",
-                       "./safe-active-element",
-                       "./unique-id",
-                       "./version",
-                       "./widget"
-               ], factory );
-       } else {
-
-               // Browser globals
-               factory( jQuery );
-       }
-}( function( $ ) {
-
-$.widget( "ui.tabs", {
-       version: "@VERSION",
-       delay: 300,
-       options: {
-               active: null,
-               classes: {
-                       "ui-tabs": "ui-corner-all",
-                       "ui-tabs-nav": "ui-corner-all",
-                       "ui-tab": "ui-corner-top",
-                       "ui-tabs-panel": "ui-corner-bottom"
-               },
-               collapsible: false,
-               event: "click",
-               heightStyle: "content",
-               hide: null,
-               show: null,
-
-               // callbacks
-               activate: null,
-               beforeActivate: null,
-               beforeLoad: null,
-               load: null
-       },
-
-       _isLocal: ( function() {
-               var rhash = /#.*$/;
-
-               return function( anchor ) {
-                       var anchorUrl, locationUrl;
-
-                       anchorUrl = anchor.href.replace( rhash, "" );
-                       locationUrl = location.href.replace( rhash, "" );
-
-                       // decoding may throw an error if the URL isn't UTF-8 (#9518)
-                       try {
-                               anchorUrl = decodeURIComponent( anchorUrl );
-                       } catch ( error ) {}
-                       try {
-                               locationUrl = decodeURIComponent( locationUrl );
-                       } catch ( error ) {}
-
-                       return anchor.hash.length > 1 && anchorUrl === locationUrl;
-               };
-       } )(),
-
-       _create: function() {
-               var that = this,
-                       options = this.options;
-
-               this.running = false;
-
-               this._addClass( "ui-tabs", "ui-widget ui-widget-content" );
-               this._toggleClass( "ui-tabs-collapsible", null, options.collapsible );
-
-               this._processTabs();
-               options.active = this._initialActive();
-
-               // Take disabling tabs via class attribute from HTML
-               // into account and update option properly.
-               if ( $.isArray( options.disabled ) ) {
-                       options.disabled = $.unique( options.disabled.concat(
-                               $.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
-                                       return that.tabs.index( li );
-                               } )
-                       ) ).sort();
-               }
-
-               // check for length avoids error when initializing empty list
-               if ( this.options.active !== false && this.anchors.length ) {
-                       this.active = this._findActive( options.active );
-               } else {
-                       this.active = $();
-               }
-
-               this._refresh();
-
-               if ( this.active.length ) {
-                       this.load( options.active );
-               }
-       },
-
-       _initialActive: function() {
-               var active = this.options.active,
-                       collapsible = this.options.collapsible,
-                       locationHash = location.hash.substring( 1 );
-
-               if ( active === null ) {
-                       // check the fragment identifier in the URL
-                       if ( locationHash ) {
-                               this.tabs.each( function( i, tab ) {
-                                       if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
-                                               active = i;
-                                               return false;
-                                       }
-                               } );
-                       }
-
-                       // check for a tab marked active via a class
-                       if ( active === null ) {
-                               active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
-                       }
-
-                       // no active tab, set to false
-                       if ( active === null || active === -1 ) {
-                               active = this.tabs.length ? 0 : false;
-                       }
-               }
-
-               // handle numbers: negative, out of range
-               if ( active !== false ) {
-                       active = this.tabs.index( this.tabs.eq( active ) );
-                       if ( active === -1 ) {
-                               active = collapsible ? false : 0;
-                       }
-               }
-
-               // don't allow collapsible: false and active: false
-               if ( !collapsible && active === false && this.anchors.length ) {
-                       active = 0;
-               }
-
-               return active;
-       },
-
-       _getCreateEventData: function() {
-               return {
-                       tab: this.active,
-                       panel: !this.active.length ? $() : this._getPanelForTab( this.active )
-               };
-       },
-
-       _tabKeydown: function( event ) {
-               var focusedTab = $( $.ui.safeActiveElement( this.document[ 0 ] ) ).closest( "li" ),
-                       selectedIndex = this.tabs.index( focusedTab ),
-                       goingForward = true;
-
-               if ( this._handlePageNav( event ) ) {
-                       return;
-               }
-
-               switch ( event.keyCode ) {
-               case $.ui.keyCode.RIGHT:
-               case $.ui.keyCode.DOWN:
-                       selectedIndex++;
-                       break;
-               case $.ui.keyCode.UP:
-               case $.ui.keyCode.LEFT:
-                       goingForward = false;
-                       selectedIndex--;
-                       break;
-               case $.ui.keyCode.END:
-                       selectedIndex = this.anchors.length - 1;
-                       break;
-               case $.ui.keyCode.HOME:
-                       selectedIndex = 0;
-                       break;
-               case $.ui.keyCode.SPACE:
-                       // Activate only, no collapsing
-                       event.preventDefault();
-                       clearTimeout( this.activating );
-                       this._activate( selectedIndex );
-                       return;
-               case $.ui.keyCode.ENTER:
-                       // Toggle (cancel delayed activation, allow collapsing)
-                       event.preventDefault();
-                       clearTimeout( this.activating );
-                       // Determine if we should collapse or activate
-                       this._activate( selectedIndex === this.options.active ? false : selectedIndex );
-                       return;
-               default:
-                       return;
-               }
-
-               // Focus the appropriate tab, based on which key was pressed
-               event.preventDefault();
-               clearTimeout( this.activating );
-               selectedIndex = this._focusNextTab( selectedIndex, goingForward );
-
-               // Navigating with control/command key will prevent automatic activation
-               if ( !event.ctrlKey && !event.metaKey ) {
-
-                       // Update aria-selected immediately so that AT think the tab is already selected.
-                       // Otherwise AT may confuse the user by stating that they need to activate the tab,
-                       // but the tab will already be activated by the time the announcement finishes.
-                       focusedTab.attr( "aria-selected", "false" );
-                       this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );
-
-                       this.activating = this._delay( function() {
-                               this.option( "active", selectedIndex );
-                       }, this.delay );
-               }
-       },
-
-       _panelKeydown: function( event ) {
-               if ( this._handlePageNav( event ) ) {
-                       return;
-               }
-
-               // Ctrl+up moves focus to the current tab
-               if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
-                       event.preventDefault();
-                       this.active.trigger( "focus" );
-               }
-       },
-
-       // Alt+page up/down moves focus to the previous/next tab (and activates)
-       _handlePageNav: function( event ) {
-               if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
-                       this._activate( this._focusNextTab( this.options.active - 1, false ) );
-                       return true;
-               }
-               if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
-                       this._activate( this._focusNextTab( this.options.active + 1, true ) );
-                       return true;
-               }
-       },
-
-       _findNextTab: function( index, goingForward ) {
-               var lastTabIndex = this.tabs.length - 1;
-
-               function constrain() {
-                       if ( index > lastTabIndex ) {
-                               index = 0;
-                       }
-                       if ( index < 0 ) {
-                               index = lastTabIndex;
-                       }
-                       return index;
-               }
-
-               while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
-                       index = goingForward ? index + 1 : index - 1;
-               }
-
-               return index;
-       },
-
-       _focusNextTab: function( index, goingForward ) {
-               index = this._findNextTab( index, goingForward );
-               this.tabs.eq( index ).trigger( "focus" );
-               return index;
-       },
-
-       _setOption: function( key, value ) {
-               if ( key === "active" ) {
-                       // _activate() will handle invalid values and update this.options
-                       this._activate( value );
-                       return;
-               }
-
-               if ( key === "disabled" ) {
-                       // don't use the widget factory's disabled handling
-                       this._setupDisabled( value );
-                       return;
-               }
-
-               this._super( key, value );
-
-               if ( key === "collapsible" ) {
-                       this._toggleClass( "ui-tabs-collapsible", null, value );
-
-                       // Setting collapsible: false while collapsed; open first panel
-                       if ( !value && this.options.active === false ) {
-                               this._activate( 0 );
-                       }
-               }
-
-               if ( key === "event" ) {
-                       this._setupEvents( value );
-               }
-
-               if ( key === "heightStyle" ) {
-                       this._setupHeightStyle( value );
-               }
-       },
-
-       _sanitizeSelector: function( hash ) {
-               return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
-       },
-
-       refresh: function() {
-               var options = this.options,
-                       lis = this.tablist.children( ":has(a[href])" );
-
-               // get disabled tabs from class attribute from HTML
-               // this will get converted to a boolean if needed in _refresh()
-               options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
-                       return lis.index( tab );
-               } );
-
-               this._processTabs();
-
-               // was collapsed or no tabs
-               if ( options.active === false || !this.anchors.length ) {
-                       options.active = false;
-                       this.active = $();
-               // was active, but active tab is gone
-               } else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {
-                       // all remaining tabs are disabled
-                       if ( this.tabs.length === options.disabled.length ) {
-                               options.active = false;
-                               this.active = $();
-                       // activate previous tab
-                       } else {
-                               this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
-                       }
-               // was active, active tab still exists
-               } else {
-                       // make sure active index is correct
-                       options.active = this.tabs.index( this.active );
-               }
-
-               this._refresh();
-       },
-
-       _refresh: function() {
-               this._setupDisabled( this.options.disabled );
-               this._setupEvents( this.options.event );
-               this._setupHeightStyle( this.options.heightStyle );
-
-               this.tabs.not( this.active ).attr( {
-                       "aria-selected": "false",
-                       "aria-expanded": "false",
-                       tabIndex: -1
-               } );
-               this.panels.not( this._getPanelForTab( this.active ) )
-                       .hide()
-                       .attr( {
-                               "aria-hidden": "true"
-                       } );
-
-               // Make sure one tab is in the tab order
-               if ( !this.active.length ) {
-                       this.tabs.eq( 0 ).attr( "tabIndex", 0 );
-               } else {
-                       this.active
-                               .attr( {
-                                       "aria-selected": "true",
-                                       "aria-expanded": "true",
-                                       tabIndex: 0
-                               } );
-                       this._addClass( this.active, "ui-tabs-active", "ui-state-active" );
-                       this._getPanelForTab( this.active )
-                               .show()
-                               .attr( {
-                                       "aria-hidden": "false"
-                               } );
-               }
-       },
-
-       _processTabs: function() {
-               var that = this,
-                       prevTabs = this.tabs,
-                       prevAnchors = this.anchors,
-                       prevPanels = this.panels;
-
-               this.tablist = this._getList().attr( "role", "tablist" );
-               this._addClass( this.tablist, "ui-tabs-nav",
-                       "ui-helper-reset ui-helper-clearfix ui-widget-header" );
-
-               // Prevent users from focusing disabled tabs via click
-               this.tablist
-                       .on( "mousedown" + this.eventNamespace, "> li", function( event ) {
-                               if ( $( this ).is( ".ui-state-disabled" ) ) {
-                                       event.preventDefault();
-                               }
-                       } )
-
-                       // support: IE <9
-                       // Preventing the default action in mousedown doesn't prevent IE
-                       // from focusing the element, so if the anchor gets focused, blur.
-                       // We don't have to worry about focusing the previously focused
-                       // element since clicking on a non-focusable element should focus
-                       // the body anyway.
-                       .on( "focus" + this.eventNamespace, ".ui-tabs-anchor", function() {
-                               if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
-                                       this.blur();
-                               }
-                       } );
-
-               this.tabs = this.tablist.find( "> li:has(a[href])" )
-                       .attr( {
-                               role: "tab",
-                               tabIndex: -1
-                       } );
-               this._addClass( this.tabs, "ui-tabs-tab", "ui-state-default" );
-
-               this.anchors = this.tabs.map( function() {
-                       return $( "a", this )[ 0 ];
-               } )
-                       .attr( {
-                               role: "presentation",
-                               tabIndex: -1
-                       } );
-               this._addClass( this.anchors, "ui-tabs-anchor" );
-
-               this.panels = $();
-
-               this.anchors.each( function( i, anchor ) {
-                       var selector, panel, panelId,
-                               anchorId = $( anchor ).uniqueId().attr( "id" ),
-                               tab = $( anchor ).closest( "li" ),
-                               originalAriaControls = tab.attr( "aria-controls" );
-
-                       // inline tab
-                       if ( that._isLocal( anchor ) ) {
-                               selector = anchor.hash;
-                               panelId = selector.substring( 1 );
-                               panel = that.element.find( that._sanitizeSelector( selector ) );
-                       // remote tab
-                       } else {
-                               // If the tab doesn't already have aria-controls,
-                               // generate an id by using a throw-away element
-                               panelId = tab.attr( "aria-controls" ) || $( {} ).uniqueId()[ 0 ].id;
-                               selector = "#" + panelId;
-                               panel = that.element.find( selector );
-                               if ( !panel.length ) {
-                                       panel = that._createPanel( panelId );
-                                       panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
-                               }
-                               panel.attr( "aria-live", "polite" );
-                       }
-
-                       if ( panel.length ) {
-                               that.panels = that.panels.add( panel );
-                       }
-                       if ( originalAriaControls ) {
-                               tab.data( "ui-tabs-aria-controls", originalAriaControls );
-                       }
-                       tab.attr( {
-                               "aria-controls": panelId,
-                               "aria-labelledby": anchorId
-                       } );
-                       panel.attr( "aria-labelledby", anchorId );
-               } );
-
-               this.panels.attr( "role", "tabpanel" );
-               this._addClass( this.panels, "ui-tabs-panel", "ui-widget-content" );
-
-               // Avoid memory leaks (#10056)
-               if ( prevTabs ) {
-                       this._off( prevTabs.not( this.tabs ) );
-                       this._off( prevAnchors.not( this.anchors ) );
-                       this._off( prevPanels.not( this.panels ) );
-               }
-       },
-
-       // allow overriding how to find the list for rare usage scenarios (#7715)
-       _getList: function() {
-               return this.tablist || this.element.find( "ol, ul" ).eq( 0 );
-       },
-
-       _createPanel: function( id ) {
-               return $( "<div>" )
-                       .attr( "id", id )
-                       .data( "ui-tabs-destroy", true );
-       },
-
-       _setupDisabled: function( disabled ) {
-               var currentItem, li, i;
-
-               if ( $.isArray( disabled ) ) {
-                       if ( !disabled.length ) {
-                               disabled = false;
-                       } else if ( disabled.length === this.anchors.length ) {
-                               disabled = true;
-                       }
-               }
-
-               // disable tabs
-               for ( i = 0; ( li = this.tabs[ i ] ); i++ ) {
-                       currentItem = $( li );
-                       if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
-                               currentItem.attr( "aria-disabled", "true" );
-                               this._addClass( currentItem, null, "ui-state-disabled" );
-                       } else {
-                               currentItem.removeAttr( "aria-disabled" );
-                               this._removeClass( currentItem, null, "ui-state-disabled" );
-                       }
-               }
-
-               this.options.disabled = disabled;
-       },
-
-       _setupEvents: function( event ) {
-               var events = {};
-               if ( event ) {
-                       $.each( event.split( " " ), function( index, eventName ) {
-                               events[ eventName ] = "_eventHandler";
-                       } );
-               }
-
-               this._off( this.anchors.add( this.tabs ).add( this.panels ) );
-               // Always prevent the default action, even when disabled
-               this._on( true, this.anchors, {
-                       click: function( event ) {
-                               event.preventDefault();
-                       }
-               } );
-               this._on( this.anchors, events );
-               this._on( this.tabs, { keydown: "_tabKeydown" } );
-               this._on( this.panels, { keydown: "_panelKeydown" } );
-
-               this._focusable( this.tabs );
-               this._hoverable( this.tabs );
-       },
-
-       _setupHeightStyle: function( heightStyle ) {
-               var maxHeight,
-                       parent = this.element.parent();
-
-               if ( heightStyle === "fill" ) {
-                       maxHeight = parent.height();
-                       maxHeight -= this.element.outerHeight() - this.element.height();
-
-                       this.element.siblings( ":visible" ).each( function() {
-                               var elem = $( this ),
-                                       position = elem.css( "position" );
-
-                               if ( position === "absolute" || position === "fixed" ) {
-                                       return;
-                               }
-                               maxHeight -= elem.outerHeight( true );
-                       } );
-
-                       this.element.children().not( this.panels ).each( function() {
-                               maxHeight -= $( this ).outerHeight( true );
-                       } );
-
-                       this.panels.each( function() {
-                               $( this ).height( Math.max( 0, maxHeight -
-                                       $( this ).innerHeight() + $( this ).height() ) );
-                       } )
-                               .css( "overflow", "auto" );
-               } else if ( heightStyle === "auto" ) {
-                       maxHeight = 0;
-                       this.panels.each( function() {
-                               maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
-                       } ).height( maxHeight );
-               }
-       },
-
-       _eventHandler: function( event ) {
-               var options = this.options,
-                       active = this.active,
-                       anchor = $( event.currentTarget ),
-                       tab = anchor.closest( "li" ),
-                       clickedIsActive = tab[ 0 ] === active[ 0 ],
-                       collapsing = clickedIsActive && options.collapsible,
-                       toShow = collapsing ? $() : this._getPanelForTab( tab ),
-                       toHide = !active.length ? $() : this._getPanelForTab( active ),
-                       eventData = {
-                               oldTab: active,
-                               oldPanel: toHide,
-                               newTab: collapsing ? $() : tab,
-                               newPanel: toShow
-                       };
-
-               event.preventDefault();
-
-               if ( tab.hasClass( "ui-state-disabled" ) ||
-                               // tab is already loading
-                               tab.hasClass( "ui-tabs-loading" ) ||
-                               // can't switch durning an animation
-                               this.running ||
-                               // click on active header, but not collapsible
-                               ( clickedIsActive && !options.collapsible ) ||
-                               // allow canceling activation
-                               ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
-                       return;
-               }
-
-               options.active = collapsing ? false : this.tabs.index( tab );
-
-               this.active = clickedIsActive ? $() : tab;
-               if ( this.xhr ) {
-                       this.xhr.abort();
-               }
-
-               if ( !toHide.length && !toShow.length ) {
-                       $.error( "jQuery UI Tabs: Mismatching fragment identifier." );
-               }
-
-               if ( toShow.length ) {
-                       this.load( this.tabs.index( tab ), event );
-               }
-               this._toggle( event, eventData );
-       },
-
-       // handles show/hide for selecting tabs
-       _toggle: function( event, eventData ) {
-               var that = this,
-                       toShow = eventData.newPanel,
-                       toHide = eventData.oldPanel;
-
-               this.running = true;
-
-               function complete() {
-                       that.running = false;
-                       that._trigger( "activate", event, eventData );
-               }
-
-               function show() {
-                       that._addClass( eventData.newTab.closest( "li" ), "ui-tabs-active", "ui-state-active" );
-
-                       if ( toShow.length && that.options.show ) {
-                               that._show( toShow, that.options.show, complete );
-                       } else {
-                               toShow.show();
-                               complete();
-                       }
-               }
-
-               // start out by hiding, then showing, then completing
-               if ( toHide.length && this.options.hide ) {
-                       this._hide( toHide, this.options.hide, function() {
-                               that._removeClass( eventData.oldTab.closest( "li" ),
-                                       "ui-tabs-active", "ui-state-active" );
-                               show();
-                       } );
-               } else {
-                       this._removeClass( eventData.oldTab.closest( "li" ),
-                               "ui-tabs-active", "ui-state-active" );
-                       toHide.hide();
-                       show();
-               }
-
-               toHide.attr( "aria-hidden", "true" );
-               eventData.oldTab.attr( {
-                       "aria-selected": "false",
-                       "aria-expanded": "false"
-               } );
-               // If we're switching tabs, remove the old tab from the tab order.
-               // If we're opening from collapsed state, remove the previous tab from the tab order.
-               // If we're collapsing, then keep the collapsing tab in the tab order.
-               if ( toShow.length && toHide.length ) {
-                       eventData.oldTab.attr( "tabIndex", -1 );
-               } else if ( toShow.length ) {
-                       this.tabs.filter( function() {
-                               return $( this ).attr( "tabIndex" ) === 0;
-                       } )
-                               .attr( "tabIndex", -1 );
-               }
-
-               toShow.attr( "aria-hidden", "false" );
-               eventData.newTab.attr( {
-                       "aria-selected": "true",
-                       "aria-expanded": "true",
-                       tabIndex: 0
-               } );
-       },
-
-       _activate: function( index ) {
-               var anchor,
-                       active = this._findActive( index );
-
-               // trying to activate the already active panel
-               if ( active[ 0 ] === this.active[ 0 ] ) {
-                       return;
-               }
-
-               // trying to collapse, simulate a click on the current active header
-               if ( !active.length ) {
-                       active = this.active;
-               }
-
-               anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
-               this._eventHandler( {
-                       target: anchor,
-                       currentTarget: anchor,
-                       preventDefault: $.noop
-               } );
-       },
-
-       _findActive: function( index ) {
-               return index === false ? $() : this.tabs.eq( index );
-       },
-
-       _getIndex: function( index ) {
-               // meta-function to give users option to provide a href string instead of a numerical index.
-               if ( typeof index === "string" ) {
-                       index = this.anchors.index( this.anchors.filter( "[href$='" + $.ui.escapeSelector( index ) + "']" ) );
-               }
-
-               return index;
-       },
-
-       _destroy: function() {
-               if ( this.xhr ) {
-                       this.xhr.abort();
-               }
-
-               this.tablist
-                       .removeAttr( "role" )
-                       .off( this.eventNamespace );
-
-               this.anchors
-                       .removeAttr( "role tabIndex" )
-                       .removeUniqueId();
-
-               this.tabs.add( this.panels ).each( function() {
-                       if ( $.data( this, "ui-tabs-destroy" ) ) {
-                               $( this ).remove();
-                       } else {
-                               $( this ).removeAttr( "role tabIndex " +
-                                       "aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded" );
-                       }
-               } );
-
-               this.tabs.each( function() {
-                       var li = $( this ),
-                               prev = li.data( "ui-tabs-aria-controls" );
-                       if ( prev ) {
-                               li
-                                       .attr( "aria-controls", prev )
-                                       .removeData( "ui-tabs-aria-controls" );
-                       } else {
-                               li.removeAttr( "aria-controls" );
-                       }
-               } );
-
-               this.panels.show();
-
-               if ( this.options.heightStyle !== "content" ) {
-                       this.panels.css( "height", "" );
-               }
-       },
-
-       enable: function( index ) {
-               var disabled = this.options.disabled;
-               if ( disabled === false ) {
-                       return;
-               }
-
-               if ( index === undefined ) {
-                       disabled = false;
-               } else {
-                       index = this._getIndex( index );
-                       if ( $.isArray( disabled ) ) {
-                               disabled = $.map( disabled, function( num ) {
-                                       return num !== index ? num : null;
-                               } );
-                       } else {
-                               disabled = $.map( this.tabs, function( li, num ) {
-                                       return num !== index ? num : null;
-                               } );
-                       }
-               }
-               this._setupDisabled( disabled );
-       },
-
-       disable: function( index ) {
-               var disabled = this.options.disabled;
-               if ( disabled === true ) {
-                       return;
-               }
-
-               if ( index === undefined ) {
-                       disabled = true;
-               } else {
-                       index = this._getIndex( index );
-                       if ( $.inArray( index, disabled ) !== -1 ) {
-                               return;
-                       }
-                       if ( $.isArray( disabled ) ) {
-                               disabled = $.merge( [ index ], disabled ).sort();
-                       } else {
-                               disabled = [ index ];
-                       }
-               }
-               this._setupDisabled( disabled );
-       },
-
-       load: function( index, event ) {
-               index = this._getIndex( index );
-               var that = this,
-                       tab = this.tabs.eq( index ),
-                       anchor = tab.find( ".ui-tabs-anchor" ),
-                       panel = this._getPanelForTab( tab ),
-                       eventData = {
-                               tab: tab,
-                               panel: panel
-                       },
-                       complete = function( jqXHR, status ) {
-                               if ( status === "abort" ) {
-                                       that.panels.stop( false, true );
-                               }
-
-                               that._removeClass( tab, "ui-tabs-loading" );
-                               panel.removeAttr( "aria-busy" );
-
-                               if ( jqXHR === that.xhr ) {
-                                       delete that.xhr;
-                               }
-                       };
-
-               // not remote
-               if ( this._isLocal( anchor[ 0 ] ) ) {
-                       return;
-               }
-
-               this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );
-
-               // support: jQuery <1.8
-               // jQuery <1.8 returns false if the request is canceled in beforeSend,
-               // but as of 1.8, $.ajax() always returns a jqXHR object.
-               if ( this.xhr && this.xhr.statusText !== "canceled" ) {
-                       this._addClass( tab, "ui-tabs-loading" );
-                       panel.attr( "aria-busy", "true" );
-
-                       this.xhr
-                               .done( function( response, status, jqXHR ) {
-                                       // support: jQuery <1.8
-                                       // http://bugs.jquery.com/ticket/11778
-                                       setTimeout( function() {
-                                               panel.html( response );
-                                               that._trigger( "load", event, eventData );
-
-                                               complete( jqXHR, status );
-                                       }, 1 );
-                               } )
-                               .fail( function( jqXHR, status ) {
-                                       // support: jQuery <1.8
-                                       // http://bugs.jquery.com/ticket/11778
-                                       setTimeout( function() {
-                                               complete( jqXHR, status );
-                                       }, 1 );
-                               } );
-               }
-       },
-
-       _ajaxSettings: function( anchor, event, eventData ) {
-               var that = this;
-               return {
-                       url: anchor.attr( "href" ),
-                       beforeSend: function( jqXHR, settings ) {
-                               return that._trigger( "beforeLoad", event,
-                                       $.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) );
-                       }
-               };
-       },
-
-       _getPanelForTab: function( tab ) {
-               var id = $( tab ).attr( "aria-controls" );
-               return this.element.find( this._sanitizeSelector( "#" + id ) );
-       }
-} );
-
-// DEPRECATED
-// TODO: Switch return back to widget declaration at top of file when this is removed
-if ( $.uiBackCompat !== false ) {
-
-       // Backcompat for ui-tab class (now ui-tabs-tab)
-       $.widget( "ui.tabs", $.ui.tabs, {
-               _processTabs: function() {
-                       this._superApply( arguments );
-                       this._addClass( this.tabs, "ui-tab" );
-               }
-       } );
-}
-
-return $.ui.tabs;
-
-} ) );
diff --git a/ui/widgets/tabs.js b/ui/widgets/tabs.js
new file mode 100644 (file)
index 0000000..0b7bf58
--- /dev/null
@@ -0,0 +1,902 @@
+/*!
+ * jQuery UI Tabs @VERSION
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Tabs
+//>>group: Widgets
+//>>description: Transforms a set of container elements into a tab structure.
+//>>docs: http://api.jqueryui.com/tabs/
+//>>demos: http://jqueryui.com/tabs/
+//>>css.structure: ../themes/base/core.css
+//>>css.structure: ../themes/base/tabs.css
+//>>css.theme: ../themes/base/theme.css
+
+( function( factory ) {
+       if ( typeof define === "function" && define.amd ) {
+
+               // AMD. Register as an anonymous module.
+               define( [
+                       "jquery",
+                       "../escape-selector",
+                       "../keycode",
+                       "../safe-active-element",
+                       "../unique-id",
+                       "../version",
+                       "../widget"
+               ], factory );
+       } else {
+
+               // Browser globals
+               factory( jQuery );
+       }
+}( function( $ ) {
+
+$.widget( "ui.tabs", {
+       version: "@VERSION",
+       delay: 300,
+       options: {
+               active: null,
+               classes: {
+                       "ui-tabs": "ui-corner-all",
+                       "ui-tabs-nav": "ui-corner-all",
+                       "ui-tab": "ui-corner-top",
+                       "ui-tabs-panel": "ui-corner-bottom"
+               },
+               collapsible: false,
+               event: "click",
+               heightStyle: "content",
+               hide: null,
+               show: null,
+
+               // callbacks
+               activate: null,
+               beforeActivate: null,
+               beforeLoad: null,
+               load: null
+       },
+
+       _isLocal: ( function() {
+               var rhash = /#.*$/;
+
+               return function( anchor ) {
+                       var anchorUrl, locationUrl;
+
+                       anchorUrl = anchor.href.replace( rhash, "" );
+                       locationUrl = location.href.replace( rhash, "" );
+
+                       // decoding may throw an error if the URL isn't UTF-8 (#9518)
+                       try {
+                               anchorUrl = decodeURIComponent( anchorUrl );
+                       } catch ( error ) {}
+                       try {
+                               locationUrl = decodeURIComponent( locationUrl );
+                       } catch ( error ) {}
+
+                       return anchor.hash.length > 1 && anchorUrl === locationUrl;
+               };
+       } )(),
+
+       _create: function() {
+               var that = this,
+                       options = this.options;
+
+               this.running = false;
+
+               this._addClass( "ui-tabs", "ui-widget ui-widget-content" );
+               this._toggleClass( "ui-tabs-collapsible", null, options.collapsible );
+
+               this._processTabs();
+               options.active = this._initialActive();
+
+               // Take disabling tabs via class attribute from HTML
+               // into account and update option properly.
+               if ( $.isArray( options.disabled ) ) {
+                       options.disabled = $.unique( options.disabled.concat(
+                               $.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
+                                       return that.tabs.index( li );
+                               } )
+                       ) ).sort();
+               }
+
+               // check for length avoids error when initializing empty list
+               if ( this.options.active !== false && this.anchors.length ) {
+                       this.active = this._findActive( options.active );
+               } else {
+                       this.active = $();
+               }
+
+               this._refresh();
+
+               if ( this.active.length ) {
+                       this.load( options.active );
+               }
+       },
+
+       _initialActive: function() {
+               var active = this.options.active,
+                       collapsible = this.options.collapsible,
+                       locationHash = location.hash.substring( 1 );
+
+               if ( active === null ) {
+                       // check the fragment identifier in the URL
+                       if ( locationHash ) {
+                               this.tabs.each( function( i, tab ) {
+                                       if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
+                                               active = i;
+                                               return false;
+                                       }
+                               } );
+                       }
+
+                       // check for a tab marked active via a class
+                       if ( active === null ) {
+                               active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
+                       }
+
+                       // no active tab, set to false
+                       if ( active === null || active === -1 ) {
+                               active = this.tabs.length ? 0 : false;
+                       }
+               }
+
+               // handle numbers: negative, out of range
+               if ( active !== false ) {
+                       active = this.tabs.index( this.tabs.eq( active ) );
+                       if ( active === -1 ) {
+                               active = collapsible ? false : 0;
+                       }
+               }
+
+               // don't allow collapsible: false and active: false
+               if ( !collapsible && active === false && this.anchors.length ) {
+                       active = 0;
+               }
+
+               return active;
+       },
+
+       _getCreateEventData: function() {
+               return {
+                       tab: this.active,
+                       panel: !this.active.length ? $() : this._getPanelForTab( this.active )
+               };
+       },
+
+       _tabKeydown: function( event ) {
+               var focusedTab = $( $.ui.safeActiveElement( this.document[ 0 ] ) ).closest( "li" ),
+                       selectedIndex = this.tabs.index( focusedTab ),
+                       goingForward = true;
+
+               if ( this._handlePageNav( event ) ) {
+                       return;
+               }
+
+               switch ( event.keyCode ) {
+               case $.ui.keyCode.RIGHT:
+               case $.ui.keyCode.DOWN:
+                       selectedIndex++;
+                       break;
+               case $.ui.keyCode.UP:
+               case $.ui.keyCode.LEFT:
+                       goingForward = false;
+                       selectedIndex--;
+                       break;
+               case $.ui.keyCode.END:
+                       selectedIndex = this.anchors.length - 1;
+                       break;
+               case $.ui.keyCode.HOME:
+                       selectedIndex = 0;
+                       break;
+               case $.ui.keyCode.SPACE:
+                       // Activate only, no collapsing
+                       event.preventDefault();
+                       clearTimeout( this.activating );
+                       this._activate( selectedIndex );
+                       return;
+               case $.ui.keyCode.ENTER:
+                       // Toggle (cancel delayed activation, allow collapsing)
+                       event.preventDefault();
+                       clearTimeout( this.activating );
+                       // Determine if we should collapse or activate
+                       this._activate( selectedIndex === this.options.active ? false : selectedIndex );
+                       return;
+               default:
+                       return;
+               }
+
+               // Focus the appropriate tab, based on which key was pressed
+               event.preventDefault();
+               clearTimeout( this.activating );
+               selectedIndex = this._focusNextTab( selectedIndex, goingForward );
+
+               // Navigating with control/command key will prevent automatic activation
+               if ( !event.ctrlKey && !event.metaKey ) {
+
+                       // Update aria-selected immediately so that AT think the tab is already selected.
+                       // Otherwise AT may confuse the user by stating that they need to activate the tab,
+                       // but the tab will already be activated by the time the announcement finishes.
+                       focusedTab.attr( "aria-selected", "false" );
+                       this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );
+
+                       this.activating = this._delay( function() {
+                               this.option( "active", selectedIndex );
+                       }, this.delay );
+               }
+       },
+
+       _panelKeydown: function( event ) {
+               if ( this._handlePageNav( event ) ) {
+                       return;
+               }
+
+               // Ctrl+up moves focus to the current tab
+               if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
+                       event.preventDefault();
+                       this.active.trigger( "focus" );
+               }
+       },
+
+       // Alt+page up/down moves focus to the previous/next tab (and activates)
+       _handlePageNav: function( event ) {
+               if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
+                       this._activate( this._focusNextTab( this.options.active - 1, false ) );
+                       return true;
+               }
+               if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
+                       this._activate( this._focusNextTab( this.options.active + 1, true ) );
+                       return true;
+               }
+       },
+
+       _findNextTab: function( index, goingForward ) {
+               var lastTabIndex = this.tabs.length - 1;
+
+               function constrain() {
+                       if ( index > lastTabIndex ) {
+                               index = 0;
+                       }
+                       if ( index < 0 ) {
+                               index = lastTabIndex;
+                       }
+                       return index;
+               }
+
+               while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
+                       index = goingForward ? index + 1 : index - 1;
+               }
+
+               return index;
+       },
+
+       _focusNextTab: function( index, goingForward ) {
+               index = this._findNextTab( index, goingForward );
+               this.tabs.eq( index ).trigger( "focus" );
+               return index;
+       },
+
+       _setOption: function( key, value ) {
+               if ( key === "active" ) {
+                       // _activate() will handle invalid values and update this.options
+                       this._activate( value );
+                       return;
+               }
+
+               if ( key === "disabled" ) {
+                       // don't use the widget factory's disabled handling
+                       this._setupDisabled( value );
+                       return;
+               }
+
+               this._super( key, value );
+
+               if ( key === "collapsible" ) {
+                       this._toggleClass( "ui-tabs-collapsible", null, value );
+
+                       // Setting collapsible: false while collapsed; open first panel
+                       if ( !value && this.options.active === false ) {
+                               this._activate( 0 );
+                       }
+               }
+
+               if ( key === "event" ) {
+                       this._setupEvents( value );
+               }
+
+               if ( key === "heightStyle" ) {
+                       this._setupHeightStyle( value );
+               }
+       },
+
+       _sanitizeSelector: function( hash ) {
+               return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
+       },
+
+       refresh: function() {
+               var options = this.options,
+                       lis = this.tablist.children( ":has(a[href])" );
+
+               // get disabled tabs from class attribute from HTML
+               // this will get converted to a boolean if needed in _refresh()
+               options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
+                       return lis.index( tab );
+               } );
+
+               this._processTabs();
+
+               // was collapsed or no tabs
+               if ( options.active === false || !this.anchors.length ) {
+                       options.active = false;
+                       this.active = $();
+               // was active, but active tab is gone
+               } else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {
+                       // all remaining tabs are disabled
+                       if ( this.tabs.length === options.disabled.length ) {
+                               options.active = false;
+                               this.active = $();
+                       // activate previous tab
+                       } else {
+                               this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
+                       }
+               // was active, active tab still exists
+               } else {
+                       // make sure active index is correct
+                       options.active = this.tabs.index( this.active );
+               }
+
+               this._refresh();
+       },
+
+       _refresh: function() {
+               this._setupDisabled( this.options.disabled );
+               this._setupEvents( this.options.event );
+               this._setupHeightStyle( this.options.heightStyle );
+
+               this.tabs.not( this.active ).attr( {
+                       "aria-selected": "false",
+                       "aria-expanded": "false",
+                       tabIndex: -1
+               } );
+               this.panels.not( this._getPanelForTab( this.active ) )
+                       .hide()
+                       .attr( {
+                               "aria-hidden": "true"
+                       } );
+
+               // Make sure one tab is in the tab order
+               if ( !this.active.length ) {
+                       this.tabs.eq( 0 ).attr( "tabIndex", 0 );
+               } else {
+                       this.active
+                               .attr( {
+                                       "aria-selected": "true",
+                                       "aria-expanded": "true",
+                                       tabIndex: 0
+                               } );
+                       this._addClass( this.active, "ui-tabs-active", "ui-state-active" );
+                       this._getPanelForTab( this.active )
+                               .show()
+                               .attr( {
+                                       "aria-hidden": "false"
+                               } );
+               }
+       },
+
+       _processTabs: function() {
+               var that = this,
+                       prevTabs = this.tabs,
+                       prevAnchors = this.anchors,
+                       prevPanels = this.panels;
+
+               this.tablist = this._getList().attr( "role", "tablist" );
+               this._addClass( this.tablist, "ui-tabs-nav",
+                       "ui-helper-reset ui-helper-clearfix ui-widget-header" );
+
+               // Prevent users from focusing disabled tabs via click
+               this.tablist
+                       .on( "mousedown" + this.eventNamespace, "> li", function( event ) {
+                               if ( $( this ).is( ".ui-state-disabled" ) ) {
+                                       event.preventDefault();
+                               }
+                       } )
+
+                       // support: IE <9
+                       // Preventing the default action in mousedown doesn't prevent IE
+                       // from focusing the element, so if the anchor gets focused, blur.
+                       // We don't have to worry about focusing the previously focused
+                       // element since clicking on a non-focusable element should focus
+                       // the body anyway.
+                       .on( "focus" + this.eventNamespace, ".ui-tabs-anchor", function() {
+                               if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
+                                       this.blur();
+                               }
+                       } );
+
+               this.tabs = this.tablist.find( "> li:has(a[href])" )
+                       .attr( {
+                               role: "tab",
+                               tabIndex: -1
+                       } );
+               this._addClass( this.tabs, "ui-tabs-tab", "ui-state-default" );
+
+               this.anchors = this.tabs.map( function() {
+                       return $( "a", this )[ 0 ];
+               } )
+                       .attr( {
+                               role: "presentation",
+                               tabIndex: -1
+                       } );
+               this._addClass( this.anchors, "ui-tabs-anchor" );
+
+               this.panels = $();
+
+               this.anchors.each( function( i, anchor ) {
+                       var selector, panel, panelId,
+                               anchorId = $( anchor ).uniqueId().attr( "id" ),
+                               tab = $( anchor ).closest( "li" ),
+                               originalAriaControls = tab.attr( "aria-controls" );
+
+                       // inline tab
+                       if ( that._isLocal( anchor ) ) {
+                               selector = anchor.hash;
+                               panelId = selector.substring( 1 );
+                               panel = that.element.find( that._sanitizeSelector( selector ) );
+                       // remote tab
+                       } else {
+                               // If the tab doesn't already have aria-controls,
+                               // generate an id by using a throw-away element
+                               panelId = tab.attr( "aria-controls" ) || $( {} ).uniqueId()[ 0 ].id;
+                               selector = "#" + panelId;
+                               panel = that.element.find( selector );
+                               if ( !panel.length ) {
+                                       panel = that._createPanel( panelId );
+                                       panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
+                               }
+                               panel.attr( "aria-live", "polite" );
+                       }
+
+                       if ( panel.length ) {
+                               that.panels = that.panels.add( panel );
+                       }
+                       if ( originalAriaControls ) {
+                               tab.data( "ui-tabs-aria-controls", originalAriaControls );
+                       }
+                       tab.attr( {
+                               "aria-controls": panelId,
+                               "aria-labelledby": anchorId
+                       } );
+                       panel.attr( "aria-labelledby", anchorId );
+               } );
+
+               this.panels.attr( "role", "tabpanel" );
+               this._addClass( this.panels, "ui-tabs-panel", "ui-widget-content" );
+
+               // Avoid memory leaks (#10056)
+               if ( prevTabs ) {
+                       this._off( prevTabs.not( this.tabs ) );
+                       this._off( prevAnchors.not( this.anchors ) );
+                       this._off( prevPanels.not( this.panels ) );
+               }
+       },
+
+       // allow overriding how to find the list for rare usage scenarios (#7715)
+       _getList: function() {
+               return this.tablist || this.element.find( "ol, ul" ).eq( 0 );
+       },
+
+       _createPanel: function( id ) {
+               return $( "<div>" )
+                       .attr( "id", id )
+                       .data( "ui-tabs-destroy", true );
+       },
+
+       _setupDisabled: function( disabled ) {
+               var currentItem, li, i;
+
+               if ( $.isArray( disabled ) ) {
+                       if ( !disabled.length ) {
+                               disabled = false;
+                       } else if ( disabled.length === this.anchors.length ) {
+                               disabled = true;
+                       }
+               }
+
+               // disable tabs
+               for ( i = 0; ( li = this.tabs[ i ] ); i++ ) {
+                       currentItem = $( li );
+                       if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
+                               currentItem.attr( "aria-disabled", "true" );
+                               this._addClass( currentItem, null, "ui-state-disabled" );
+                       } else {
+                               currentItem.removeAttr( "aria-disabled" );
+                               this._removeClass( currentItem, null, "ui-state-disabled" );
+                       }
+               }
+
+               this.options.disabled = disabled;
+       },
+
+       _setupEvents: function( event ) {
+               var events = {};
+               if ( event ) {
+                       $.each( event.split( " " ), function( index, eventName ) {
+                               events[ eventName ] = "_eventHandler";
+                       } );
+               }
+
+               this._off( this.anchors.add( this.tabs ).add( this.panels ) );
+               // Always prevent the default action, even when disabled
+               this._on( true, this.anchors, {
+                       click: function( event ) {
+                               event.preventDefault();
+                       }
+               } );
+               this._on( this.anchors, events );
+               this._on( this.tabs, { keydown: "_tabKeydown" } );
+               this._on( this.panels, { keydown: "_panelKeydown" } );
+
+               this._focusable( this.tabs );
+               this._hoverable( this.tabs );
+       },
+
+       _setupHeightStyle: function( heightStyle ) {
+               var maxHeight,
+                       parent = this.element.parent();
+
+               if ( heightStyle === "fill" ) {
+                       maxHeight = parent.height();
+                       maxHeight -= this.element.outerHeight() - this.element.height();
+
+                       this.element.siblings( ":visible" ).each( function() {
+                               var elem = $( this ),
+                                       position = elem.css( "position" );
+
+                               if ( position === "absolute" || position === "fixed" ) {
+                                       return;
+                               }
+                               maxHeight -= elem.outerHeight( true );
+                       } );
+
+                       this.element.children().not( this.panels ).each( function() {
+                               maxHeight -= $( this ).outerHeight( true );
+                       } );
+
+                       this.panels.each( function() {
+                               $( this ).height( Math.max( 0, maxHeight -
+                                       $( this ).innerHeight() + $( this ).height() ) );
+                       } )
+                               .css( "overflow", "auto" );
+               } else if ( heightStyle === "auto" ) {
+                       maxHeight = 0;
+                       this.panels.each( function() {
+                               maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
+                       } ).height( maxHeight );
+               }
+       },
+
+       _eventHandler: function( event ) {
+               var options = this.options,
+                       active = this.active,
+                       anchor = $( event.currentTarget ),
+                       tab = anchor.closest( "li" ),
+                       clickedIsActive = tab[ 0 ] === active[ 0 ],
+                       collapsing = clickedIsActive && options.collapsible,
+                       toShow = collapsing ? $() : this._getPanelForTab( tab ),
+                       toHide = !active.length ? $() : this._getPanelForTab( active ),
+                       eventData = {
+                               oldTab: active,
+                               oldPanel: toHide,
+                               newTab: collapsing ? $() : tab,
+                               newPanel: toShow
+                       };
+
+               event.preventDefault();
+
+               if ( tab.hasClass( "ui-state-disabled" ) ||
+                               // tab is already loading
+                               tab.hasClass( "ui-tabs-loading" ) ||
+                               // can't switch durning an animation
+                               this.running ||
+                               // click on active header, but not collapsible
+                               ( clickedIsActive && !options.collapsible ) ||
+                               // allow canceling activation
+                               ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
+                       return;
+               }
+
+               options.active = collapsing ? false : this.tabs.index( tab );
+
+               this.active = clickedIsActive ? $() : tab;
+               if ( this.xhr ) {
+                       this.xhr.abort();
+               }
+
+               if ( !toHide.length && !toShow.length ) {
+                       $.error( "jQuery UI Tabs: Mismatching fragment identifier." );
+               }
+
+               if ( toShow.length ) {
+                       this.load( this.tabs.index( tab ), event );
+               }
+               this._toggle( event, eventData );
+       },
+
+       // handles show/hide for selecting tabs
+       _toggle: function( event, eventData ) {
+               var that = this,
+                       toShow = eventData.newPanel,
+                       toHide = eventData.oldPanel;
+
+               this.running = true;
+
+               function complete() {
+                       that.running = false;
+                       that._trigger( "activate", event, eventData );
+               }
+
+               function show() {
+                       that._addClass( eventData.newTab.closest( "li" ), "ui-tabs-active", "ui-state-active" );
+
+                       if ( toShow.length && that.options.show ) {
+                               that._show( toShow, that.options.show, complete );
+                       } else {
+                               toShow.show();
+                               complete();
+                       }
+               }
+
+               // start out by hiding, then showing, then completing
+               if ( toHide.length && this.options.hide ) {
+                       this._hide( toHide, this.options.hide, function() {
+                               that._removeClass( eventData.oldTab.closest( "li" ),
+                                       "ui-tabs-active", "ui-state-active" );
+                               show();
+                       } );
+               } else {
+                       this._removeClass( eventData.oldTab.closest( "li" ),
+                               "ui-tabs-active", "ui-state-active" );
+                       toHide.hide();
+                       show();
+               }
+
+               toHide.attr( "aria-hidden", "true" );
+               eventData.oldTab.attr( {
+                       "aria-selected": "false",
+                       "aria-expanded": "false"
+               } );
+               // If we're switching tabs, remove the old tab from the tab order.
+               // If we're opening from collapsed state, remove the previous tab from the tab order.
+               // If we're collapsing, then keep the collapsing tab in the tab order.
+               if ( toShow.length && toHide.length ) {
+                       eventData.oldTab.attr( "tabIndex", -1 );
+               } else if ( toShow.length ) {
+                       this.tabs.filter( function() {
+                               return $( this ).attr( "tabIndex" ) === 0;
+                       } )
+                               .attr( "tabIndex", -1 );
+               }
+
+               toShow.attr( "aria-hidden", "false" );
+               eventData.newTab.attr( {
+                       "aria-selected": "true",
+                       "aria-expanded": "true",
+                       tabIndex: 0
+               } );
+       },
+
+       _activate: function( index ) {
+               var anchor,
+                       active = this._findActive( index );
+
+               // trying to activate the already active panel
+               if ( active[ 0 ] === this.active[ 0 ] ) {
+                       return;
+               }
+
+               // trying to collapse, simulate a click on the current active header
+               if ( !active.length ) {
+                       active = this.active;
+               }
+
+               anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
+               this._eventHandler( {
+                       target: anchor,
+                       currentTarget: anchor,
+                       preventDefault: $.noop
+               } );
+       },
+
+       _findActive: function( index ) {
+               return index === false ? $() : this.tabs.eq( index );
+       },
+
+       _getIndex: function( index ) {
+               // meta-function to give users option to provide a href string instead of a numerical index.
+               if ( typeof index === "string" ) {
+                       index = this.anchors.index( this.anchors.filter( "[href$='" + $.ui.escapeSelector( index ) + "']" ) );
+               }
+
+               return index;
+       },
+
+       _destroy: function() {
+               if ( this.xhr ) {
+                       this.xhr.abort();
+               }
+
+               this.tablist
+                       .removeAttr( "role" )
+                       .off( this.eventNamespace );
+
+               this.anchors
+                       .removeAttr( "role tabIndex" )
+                       .removeUniqueId();
+
+               this.tabs.add( this.panels ).each( function() {
+                       if ( $.data( this, "ui-tabs-destroy" ) ) {
+                               $( this ).remove();
+                       } else {
+                               $( this ).removeAttr( "role tabIndex " +
+                                       "aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded" );
+                       }
+               } );
+
+               this.tabs.each( function() {
+                       var li = $( this ),
+                               prev = li.data( "ui-tabs-aria-controls" );
+                       if ( prev ) {
+                               li
+                                       .attr( "aria-controls", prev )
+                                       .removeData( "ui-tabs-aria-controls" );
+                       } else {
+                               li.removeAttr( "aria-controls" );
+                       }
+               } );
+
+               this.panels.show();
+
+               if ( this.options.heightStyle !== "content" ) {
+                       this.panels.css( "height", "" );
+               }
+       },
+
+       enable: function( index ) {
+               var disabled = this.options.disabled;
+               if ( disabled === false ) {
+                       return;
+               }
+
+               if ( index === undefined ) {
+                       disabled = false;
+               } else {
+                       index = this._getIndex( index );
+                       if ( $.isArray( disabled ) ) {
+                               disabled = $.map( disabled, function( num ) {
+                                       return num !== index ? num : null;
+                               } );
+                       } else {
+                               disabled = $.map( this.tabs, function( li, num ) {
+                                       return num !== index ? num : null;
+                               } );
+                       }
+               }
+               this._setupDisabled( disabled );
+       },
+
+       disable: function( index ) {
+               var disabled = this.options.disabled;
+               if ( disabled === true ) {
+                       return;
+               }
+
+               if ( index === undefined ) {
+                       disabled = true;
+               } else {
+                       index = this._getIndex( index );
+                       if ( $.inArray( index, disabled ) !== -1 ) {
+                               return;
+                       }
+                       if ( $.isArray( disabled ) ) {
+                               disabled = $.merge( [ index ], disabled ).sort();
+                       } else {
+                               disabled = [ index ];
+                       }
+               }
+               this._setupDisabled( disabled );
+       },
+
+       load: function( index, event ) {
+               index = this._getIndex( index );
+               var that = this,
+                       tab = this.tabs.eq( index ),
+                       anchor = tab.find( ".ui-tabs-anchor" ),
+                       panel = this._getPanelForTab( tab ),
+                       eventData = {
+                               tab: tab,
+                               panel: panel
+                       },
+                       complete = function( jqXHR, status ) {
+                               if ( status === "abort" ) {
+                                       that.panels.stop( false, true );
+                               }
+
+                               that._removeClass( tab, "ui-tabs-loading" );
+                               panel.removeAttr( "aria-busy" );
+
+                               if ( jqXHR === that.xhr ) {
+                                       delete that.xhr;
+                               }
+                       };
+
+               // not remote
+               if ( this._isLocal( anchor[ 0 ] ) ) {
+                       return;
+               }
+
+               this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );
+
+               // support: jQuery <1.8
+               // jQuery <1.8 returns false if the request is canceled in beforeSend,
+               // but as of 1.8, $.ajax() always returns a jqXHR object.
+               if ( this.xhr && this.xhr.statusText !== "canceled" ) {
+                       this._addClass( tab, "ui-tabs-loading" );
+                       panel.attr( "aria-busy", "true" );
+
+                       this.xhr
+                               .done( function( response, status, jqXHR ) {
+                                       // support: jQuery <1.8
+                                       // http://bugs.jquery.com/ticket/11778
+                                       setTimeout( function() {
+                                               panel.html( response );
+                                               that._trigger( "load", event, eventData );
+
+                                               complete( jqXHR, status );
+                                       }, 1 );
+                               } )
+                               .fail( function( jqXHR, status ) {
+                                       // support: jQuery <1.8
+                                       // http://bugs.jquery.com/ticket/11778
+                                       setTimeout( function() {
+                                               complete( jqXHR, status );
+                                       }, 1 );
+                               } );
+               }
+       },
+
+       _ajaxSettings: function( anchor, event, eventData ) {
+               var that = this;
+               return {
+                       url: anchor.attr( "href" ),
+                       beforeSend: function( jqXHR, settings ) {
+                               return that._trigger( "beforeLoad", event,
+                                       $.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) );
+                       }
+               };
+       },
+
+       _getPanelForTab: function( tab ) {
+               var id = $( tab ).attr( "aria-controls" );
+               return this.element.find( this._sanitizeSelector( "#" + id ) );
+       }
+} );
+
+// DEPRECATED
+// TODO: Switch return back to widget declaration at top of file when this is removed
+if ( $.uiBackCompat !== false ) {
+
+       // Backcompat for ui-tab class (now ui-tabs-tab)
+       $.widget( "ui.tabs", $.ui.tabs, {
+               _processTabs: function() {
+                       this._superApply( arguments );
+                       this._addClass( this.tabs, "ui-tab" );
+               }
+       } );
+}
+
+return $.ui.tabs;
+
+} ) );