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+/*!
+ * jQuery UI Tabs 1.13.2
+ * 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 ) {
+ "use strict";
+
+ if ( typeof define === "function" && define.amd ) {
+
+ // AMD. Register as an anonymous module.
+ define( [
+ "jquery",
+ "./core"
+ ], factory );
+ } else {
+
+ // Browser globals
+ factory( jQuery );
+ }
+} )( function( $ ) {
+"use strict";
+
+$.widget( "ui.tabs", {
+ version: "1.13.2",
+ delay: 300,
+ options: {
+ active: null,
+ classes: {
+ "ui-tabs": "ui-corner-all",
+ "ui-tabs-nav": "ui-corner-all",
+ "ui-tabs-panel": "ui-corner-bottom",
+ "ui-tabs-tab": "ui-corner-top"
+ },
+ collapsible: false,
+ event: "click",
+ heightStyle: "content",
+ hide: null,
+ show: null,
+
+ // Callbacks
+ activate: null,
+ beforeActivate: null,
+ beforeLoad: null,
+ load: null
+ },
+
+ _isLocal: ( function() {
+ var rhash = /#.*$/;
+
+ 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 ( Array.isArray( options.disabled ) ) {
+ options.disabled = $.uniqueSort( 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 ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
+ index = goingForward ? index + 1 : index - 1;
+ }
+
+ return index;
+ },
+
+ _focusNextTab: function( index, goingForward ) {
+ index = this._findNextTab( index, goingForward );
+ this.tabs.eq( index ).trigger( "focus" );
+ return index;
+ },
+
+ _setOption: function( key, value ) {
+ if ( key === "active" ) {
+
+ // _activate() will handle invalid values and update this.options
+ this._activate( value );
+ return;
+ }
+
+ this._super( key, value );
+
+ if ( key === "collapsible" ) {
+ this._toggleClass( "ui-tabs-collapsible", null, value );
+
+ // Setting collapsible: false while collapsed; open first panel
+ if ( !value && this.options.active === false ) {
+ this._activate( 0 );
+ }
+ }
+
+ if ( key === "event" ) {
+ this._setupEvents( value );
+ }
+
+ if ( key === "heightStyle" ) {
+ this._setupHeightStyle( value );
+ }
+ },
+
+ _sanitizeSelector: function( hash ) {
+ return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/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._setOptionDisabled( 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( {
+ 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 );
+ },
+
+ _setOptionDisabled: function( disabled ) {
+ var currentItem, li, i;
+
+ if ( Array.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;
+
+ this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null,
+ disabled === true );
+ },
+
+ _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 ? $() : this.tabs.eq( index );
+ },
+
+ _getIndex: function( index ) {
+
+ // meta-function to give users option to provide a href string instead of a numerical index.
+ if ( typeof index === "string" ) {
+ index = this.anchors.index( this.anchors.filter( "[href$='" +
+ $.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 ( Array.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._setOptionDisabled( 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 ( Array.isArray( disabled ) ) {
+ disabled = $.merge( [ index ], disabled ).sort();
+ } else {
+ disabled = [ index ];
+ }
+ }
+ this._setOptionDisabled( 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, $.ajax() always returns a jqXHR object.
+ if ( this.xhr && this.xhr.statusText !== "canceled" ) {
+ this._addClass( tab, "ui-tabs-loading" );
+ panel.attr( "aria-busy", "true" );
+
+ this.xhr
+ .done( function( response, status, jqXHR ) {
+
+ // support: jQuery <1.8
+ // http://bugs.jquery.com/ticket/11778
+ setTimeout( function() {
+ panel.html( response );
+ that._trigger( "load", event, eventData );
+
+ complete( jqXHR, status );
+ }, 1 );
+ } )
+ .fail( function( jqXHR, status ) {
+
+ // support: jQuery <1.8
+ // http://bugs.jquery.com/ticket/11778
+ setTimeout( function() {
+ complete( jqXHR, status );
+ }, 1 );
+ } );
+ }
+ },
+
+ _ajaxSettings: function( anchor, event, eventData ) {
+ var that = this;
+ return {
+
+ // Support: IE <11 only
+ // Strip any hash that exists to prevent errors with the Ajax request
+ url: anchor.attr( "href" ).replace( /#.*$/, "" ),
+ 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;
+
+} );