X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/resources/lib/jquery.ui/jquery.ui.tabs.js

diff --git a/resources/lib/jquery.ui/jquery.ui.tabs.js b/resources/lib/jquery.ui/jquery.ui.tabs.js
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+++ b/resources/lib/jquery.ui/jquery.ui.tabs.js
@@ -0,0 +1,1366 @@
+/*!
+ * jQuery UI Tabs 1.9.2
+ * http://jqueryui.com
+ *
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/tabs/
+ *
+ * Depends:
+ *	jquery.ui.core.js
+ *	jquery.ui.widget.js
+ */
+(function( $, undefined ) {
+
+var tabId = 0,
+	rhash = /#.*$/;
+
+function getNextTabId() {
+	return ++tabId;
+}
+
+function isLocal( anchor ) {
+	return anchor.hash.length > 1 &&
+		anchor.href.replace( rhash, "" ) ===
+			location.href.replace( rhash, "" )
+				// support: Safari 5.1
+				// Safari 5.1 doesn't encode spaces in window.location
+				// but it does encode spaces from anchors (#8777)
+				.replace( /\s/g, "%20" );
+}
+
+$.widget( "ui.tabs", {
+	version: "1.9.2",
+	delay: 300,
+	options: {
+		active: null,
+		collapsible: false,
+		event: "click",
+		heightStyle: "content",
+		hide: null,
+		show: null,
+
+		// callbacks
+		activate: null,
+		beforeActivate: null,
+		beforeLoad: null,
+		load: null
+	},
+
+	_create: function() {
+		var that = this,
+			options = this.options,
+			active = options.active,
+			locationHash = location.hash.substring( 1 );
+
+		this.running = false;
+
+		this.element
+			.addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" )
+			.toggleClass( "ui-tabs-collapsible", options.collapsible )
+			// Prevent users from focusing disabled tabs via click
+			.delegate( ".ui-tabs-nav > li", "mousedown" + this.eventNamespace, 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.
+			.delegate( ".ui-tabs-anchor", "focus" + this.eventNamespace, function() {
+				if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
+					this.blur();
+				}
+			});
+
+		this._processTabs();
+
+		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 = options.collapsible ? false : 0;
+			}
+		}
+		options.active = active;
+
+		// don't allow collapsible: false and active: false
+		if ( !options.collapsible && options.active === false && this.anchors.length ) {
+			options.active = 0;
+		}
+
+		// 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( this.options.active );
+		} else {
+			this.active = $();
+		}
+
+		this._refresh();
+
+		if ( this.active.length ) {
+			this.load( options.active );
+		}
+	},
+
+	_getCreateEventData: function() {
+		return {
+			tab: this.active,
+			panel: !this.active.length ? $() : this._getPanelForTab( this.active )
+		};
+	},
+
+	_tabKeydown: function( event ) {
+		var focusedTab = $( this.document[0].activeElement ).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 key will prevent automatic activation
+		if ( !event.ctrlKey ) {
+			// 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.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 ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
+			index = goingForward ? index + 1 : index - 1;
+		}
+
+		return index;
+	},
+
+	_focusNextTab: function( index, goingForward ) {
+		index = this._findNextTab( index, goingForward );
+		this.tabs.eq( index ).focus();
+		return index;
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "active" ) {
+			// _activate() will handle invalid values and update this.options
+			this._activate( value );
+			return;
+		}
+
+		if ( key === "disabled" ) {
+			// don't use the widget factory's disabled handling
+			this._setupDisabled( value );
+			return;
+		}
+
+		this._super( key, value);
+
+		if ( key === "collapsible" ) {
+			this.element.toggleClass( "ui-tabs-collapsible", value );
+			// Setting collapsible: false while collapsed; open first panel
+			if ( !value && this.options.active === false ) {
+				this._activate( 0 );
+			}
+		}
+
+		if ( key === "event" ) {
+			this._setupEvents( value );
+		}
+
+		if ( key === "heightStyle" ) {
+			this._setupHeightStyle( value );
+		}
+	},
+
+	_tabId: function( tab ) {
+		return tab.attr( "aria-controls" ) || "ui-tabs-" + getNextTabId();
+	},
+
+	_sanitizeSelector: function( hash ) {
+		return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/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",
+			tabIndex: -1
+		});
+		this.panels.not( this._getPanelForTab( this.active ) )
+			.hide()
+			.attr({
+				"aria-expanded": "false",
+				"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
+				.addClass( "ui-tabs-active ui-state-active" )
+				.attr({
+					"aria-selected": "true",
+					tabIndex: 0
+				});
+			this._getPanelForTab( this.active )
+				.show()
+				.attr({
+					"aria-expanded": "true",
+					"aria-hidden": "false"
+				});
+		}
+	},
+
+	_processTabs: function() {
+		var that = this;
+
+		this.tablist = this._getList()
+			.addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
+			.attr( "role", "tablist" );
+
+		this.tabs = this.tablist.find( "> li:has(a[href])" )
+			.addClass( "ui-state-default ui-corner-top" )
+			.attr({
+				role: "tab",
+				tabIndex: -1
+			});
+
+		this.anchors = this.tabs.map(function() {
+				return $( "a", this )[ 0 ];
+			})
+			.addClass( "ui-tabs-anchor" )
+			.attr({
+				role: "presentation",
+				tabIndex: -1
+			});
+
+		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 ( isLocal( anchor ) ) {
+				selector = anchor.hash;
+				panel = that.element.find( that._sanitizeSelector( selector ) );
+			// remote tab
+			} else {
+				panelId = that._tabId( tab );
+				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": selector.substring( 1 ),
+				"aria-labelledby": anchorId
+			});
+			panel.attr( "aria-labelledby", anchorId );
+		});
+
+		this.panels
+			.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
+			.attr( "role", "tabpanel" );
+	},
+
+	// allow overriding how to find the list for rare usage scenarios (#7715)
+	_getList: function() {
+		return this.element.find( "ol,ul" ).eq( 0 );
+	},
+
+	_createPanel: function( id ) {
+		return $( "<div>" )
+			.attr( "id", id )
+			.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
+			.data( "ui-tabs-destroy", true );
+	},
+
+	_setupDisabled: function( disabled ) {
+		if ( $.isArray( disabled ) ) {
+			if ( !disabled.length ) {
+				disabled = false;
+			} else if ( disabled.length === this.anchors.length ) {
+				disabled = true;
+			}
+		}
+
+		// disable tabs
+		for ( var i = 0, li; ( li = this.tabs[ i ] ); i++ ) {
+			if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
+				$( li )
+					.addClass( "ui-state-disabled" )
+					.attr( "aria-disabled", "true" );
+			} else {
+				$( li )
+					.removeClass( "ui-state-disabled" )
+					.removeAttr( "aria-disabled" );
+			}
+		}
+
+		this.options.disabled = disabled;
+	},
+
+	_setupEvents: function( event ) {
+		var events = {
+			click: function( event ) {
+				event.preventDefault();
+			}
+		};
+		if ( event ) {
+			$.each( event.split(" "), function( index, eventName ) {
+				events[ eventName ] = "_eventHandler";
+			});
+		}
+
+		this._off( this.anchors.add( this.tabs ).add( this.panels ) );
+		this._on( this.anchors, events );
+		this._on( this.tabs, { keydown: "_tabKeydown" } );
+		this._on( this.panels, { keydown: "_panelKeydown" } );
+
+		this._focusable( this.tabs );
+		this._hoverable( this.tabs );
+	},
+
+	_setupHeightStyle: function( heightStyle ) {
+		var maxHeight, overflow,
+			parent = this.element.parent();
+
+		if ( heightStyle === "fill" ) {
+			// IE 6 treats height like minHeight, so we need to turn off overflow
+			// in order to get a reliable height
+			// we use the minHeight support test because we assume that only
+			// browsers that don't support minHeight will treat height as minHeight
+			if ( !$.support.minHeight ) {
+				overflow = parent.css( "overflow" );
+				parent.css( "overflow", "hidden");
+			}
+			maxHeight = parent.height();
+			this.element.siblings( ":visible" ).each(function() {
+				var elem = $( this ),
+					position = elem.css( "position" );
+
+				if ( position === "absolute" || position === "fixed" ) {
+					return;
+				}
+				maxHeight -= elem.outerHeight( true );
+			});
+			if ( overflow ) {
+				parent.css( "overflow", overflow );
+			}
+
+			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() {
+			eventData.newTab.closest( "li" ).addClass( "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() {
+				eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
+				show();
+			});
+		} else {
+			eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
+			toHide.hide();
+			show();
+		}
+
+		toHide.attr({
+			"aria-expanded": "false",
+			"aria-hidden": "true"
+		});
+		eventData.oldTab.attr( "aria-selected", "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-expanded": "true",
+			"aria-hidden": "false"
+		});
+		eventData.newTab.attr({
+			"aria-selected": "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 ? $() : this.tabs.eq( index );
+	},
+
+	_getIndex: function( index ) {
+		// meta-function to give users option to provide a href string instead of a numerical index.
+		if ( typeof index === "string" ) {
+			index = this.anchors.index( this.anchors.filter( "[href$='" + index + "']" ) );
+		}
+
+		return index;
+	},
+
+	_destroy: function() {
+		if ( this.xhr ) {
+			this.xhr.abort();
+		}
+
+		this.element.removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" );
+
+		this.tablist
+			.removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
+			.removeAttr( "role" );
+
+		this.anchors
+			.removeClass( "ui-tabs-anchor" )
+			.removeAttr( "role" )
+			.removeAttr( "tabIndex" )
+			.removeData( "href.tabs" )
+			.removeData( "load.tabs" )
+			.removeUniqueId();
+
+		this.tabs.add( this.panels ).each(function() {
+			if ( $.data( this, "ui-tabs-destroy" ) ) {
+				$( this ).remove();
+			} else {
+				$( this )
+					.removeClass( "ui-state-default ui-state-active ui-state-disabled " +
+						"ui-corner-top ui-corner-bottom ui-widget-content ui-tabs-active ui-tabs-panel" )
+					.removeAttr( "tabIndex" )
+					.removeAttr( "aria-live" )
+					.removeAttr( "aria-busy" )
+					.removeAttr( "aria-selected" )
+					.removeAttr( "aria-labelledby" )
+					.removeAttr( "aria-hidden" )
+					.removeAttr( "aria-expanded" )
+					.removeAttr( "role" );
+			}
+		});
+
+		this.tabs.each(function() {
+			var li = $( this ),
+				prev = li.data( "ui-tabs-aria-controls" );
+			if ( prev ) {
+				li.attr( "aria-controls", prev );
+			} 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
+			};
+
+		// not remote
+		if ( 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" ) {
+			tab.addClass( "ui-tabs-loading" );
+			panel.attr( "aria-busy", "true" );
+
+			this.xhr
+				.success(function( response ) {
+					// support: jQuery <1.8
+					// http://bugs.jquery.com/ticket/11778
+					setTimeout(function() {
+						panel.html( response );
+						that._trigger( "load", event, eventData );
+					}, 1 );
+				})
+				.complete(function( jqXHR, status ) {
+					// support: jQuery <1.8
+					// http://bugs.jquery.com/ticket/11778
+					setTimeout(function() {
+						if ( status === "abort" ) {
+							that.panels.stop( false, true );
+						}
+
+						tab.removeClass( "ui-tabs-loading" );
+						panel.removeAttr( "aria-busy" );
+
+						if ( jqXHR === that.xhr ) {
+							delete that.xhr;
+						}
+					}, 1 );
+				});
+		}
+	},
+
+	// TODO: Remove this function in 1.10 when ajaxOptions is removed
+	_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
+if ( $.uiBackCompat !== false ) {
+
+	// helper method for a lot of the back compat extensions
+	$.ui.tabs.prototype._ui = function( tab, panel ) {
+		return {
+			tab: tab,
+			panel: panel,
+			index: this.anchors.index( tab )
+		};
+	};
+
+	// url method
+	$.widget( "ui.tabs", $.ui.tabs, {
+		url: function( index, url ) {
+			this.anchors.eq( index ).attr( "href", url );
+		}
+	});
+
+	// TODO: Remove _ajaxSettings() method when removing this extension
+	// ajaxOptions and cache options
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			ajaxOptions: null,
+			cache: false
+		},
+
+		_create: function() {
+			this._super();
+
+			var that = this;
+
+			this._on({ tabsbeforeload: function( event, ui ) {
+				// tab is already cached
+				if ( $.data( ui.tab[ 0 ], "cache.tabs" ) ) {
+					event.preventDefault();
+					return;
+				}
+
+				ui.jqXHR.success(function() {
+					if ( that.options.cache ) {
+						$.data( ui.tab[ 0 ], "cache.tabs", true );
+					}
+				});
+			}});
+		},
+
+		_ajaxSettings: function( anchor, event, ui ) {
+			var ajaxOptions = this.options.ajaxOptions;
+			return $.extend( {}, ajaxOptions, {
+				error: function( xhr, status ) {
+					try {
+						// Passing index avoid a race condition when this method is
+						// called after the user has selected another tab.
+						// Pass the anchor that initiated this request allows
+						// loadError to manipulate the tab content panel via $(a.hash)
+						ajaxOptions.error(
+							xhr, status, ui.tab.closest( "li" ).index(), ui.tab[ 0 ] );
+					}
+					catch ( error ) {}
+				}
+			}, this._superApply( arguments ) );
+		},
+
+		_setOption: function( key, value ) {
+			// reset cache if switching from cached to not cached
+			if ( key === "cache" && value === false ) {
+				this.anchors.removeData( "cache.tabs" );
+			}
+			this._super( key, value );
+		},
+
+		_destroy: function() {
+			this.anchors.removeData( "cache.tabs" );
+			this._super();
+		},
+
+		url: function( index ){
+			this.anchors.eq( index ).removeData( "cache.tabs" );
+			this._superApply( arguments );
+		}
+	});
+
+	// abort method
+	$.widget( "ui.tabs", $.ui.tabs, {
+		abort: function() {
+			if ( this.xhr ) {
+				this.xhr.abort();
+			}
+		}
+	});
+
+	// spinner
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			spinner: "<em>Loading&#8230;</em>"
+		},
+		_create: function() {
+			this._super();
+			this._on({
+				tabsbeforeload: function( event, ui ) {
+					// Don't react to nested tabs or tabs that don't use a spinner
+					if ( event.target !== this.element[ 0 ] ||
+							!this.options.spinner ) {
+						return;
+					}
+
+					var span = ui.tab.find( "span" ),
+						html = span.html();
+					span.html( this.options.spinner );
+					ui.jqXHR.complete(function() {
+						span.html( html );
+					});
+				}
+			});
+		}
+	});
+
+	// enable/disable events
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			enable: null,
+			disable: null
+		},
+
+		enable: function( index ) {
+			var options = this.options,
+				trigger;
+
+			if ( index && options.disabled === true ||
+					( $.isArray( options.disabled ) && $.inArray( index, options.disabled ) !== -1 ) ) {
+				trigger = true;
+			}
+
+			this._superApply( arguments );
+
+			if ( trigger ) {
+				this._trigger( "enable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
+			}
+		},
+
+		disable: function( index ) {
+			var options = this.options,
+				trigger;
+
+			if ( index && options.disabled === false ||
+					( $.isArray( options.disabled ) && $.inArray( index, options.disabled ) === -1 ) ) {
+				trigger = true;
+			}
+
+			this._superApply( arguments );
+
+			if ( trigger ) {
+				this._trigger( "disable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
+			}
+		}
+	});
+
+	// add/remove methods and events
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			add: null,
+			remove: null,
+			tabTemplate: "<li><a href='#{href}'><span>#{label}</span></a></li>"
+		},
+
+		add: function( url, label, index ) {
+			if ( index === undefined ) {
+				index = this.anchors.length;
+			}
+
+			var doInsertAfter, panel,
+				options = this.options,
+				li = $( options.tabTemplate
+					.replace( /#\{href\}/g, url )
+					.replace( /#\{label\}/g, label ) ),
+				id = !url.indexOf( "#" ) ?
+					url.replace( "#", "" ) :
+					this._tabId( li );
+
+			li.addClass( "ui-state-default ui-corner-top" ).data( "ui-tabs-destroy", true );
+			li.attr( "aria-controls", id );
+
+			doInsertAfter = index >= this.tabs.length;
+
+			// try to find an existing element before creating a new one
+			panel = this.element.find( "#" + id );
+			if ( !panel.length ) {
+				panel = this._createPanel( id );
+				if ( doInsertAfter ) {
+					if ( index > 0 ) {
+						panel.insertAfter( this.panels.eq( -1 ) );
+					} else {
+						panel.appendTo( this.element );
+					}
+				} else {
+					panel.insertBefore( this.panels[ index ] );
+				}
+			}
+			panel.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" ).hide();
+
+			if ( doInsertAfter ) {
+				li.appendTo( this.tablist );
+			} else {
+				li.insertBefore( this.tabs[ index ] );
+			}
+
+			options.disabled = $.map( options.disabled, function( n ) {
+				return n >= index ? ++n : n;
+			});
+
+			this.refresh();
+			if ( this.tabs.length === 1 && options.active === false ) {
+				this.option( "active", 0 );
+			}
+
+			this._trigger( "add", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
+			return this;
+		},
+
+		remove: function( index ) {
+			index = this._getIndex( index );
+			var options = this.options,
+				tab = this.tabs.eq( index ).remove(),
+				panel = this._getPanelForTab( tab ).remove();
+
+			// If selected tab was removed focus tab to the right or
+			// in case the last tab was removed the tab to the left.
+			// We check for more than 2 tabs, because if there are only 2,
+			// then when we remove this tab, there will only be one tab left
+			// so we don't need to detect which tab to activate.
+			if ( tab.hasClass( "ui-tabs-active" ) && this.anchors.length > 2 ) {
+				this._activate( index + ( index + 1 < this.anchors.length ? 1 : -1 ) );
+			}
+
+			options.disabled = $.map(
+				$.grep( options.disabled, function( n ) {
+					return n !== index;
+				}),
+				function( n ) {
+					return n >= index ? --n : n;
+				});
+
+			this.refresh();
+
+			this._trigger( "remove", null, this._ui( tab.find( "a" )[ 0 ], panel[ 0 ] ) );
+			return this;
+		}
+	});
+
+	// length method
+	$.widget( "ui.tabs", $.ui.tabs, {
+		length: function() {
+			return this.anchors.length;
+		}
+	});
+
+	// panel ids (idPrefix option + title attribute)
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			idPrefix: "ui-tabs-"
+		},
+
+		_tabId: function( tab ) {
+			var a = tab.is( "li" ) ? tab.find( "a[href]" ) : tab;
+			a = a[0];
+			return $( a ).closest( "li" ).attr( "aria-controls" ) ||
+				a.title && a.title.replace( /\s/g, "_" ).replace( /[^\w\u00c0-\uFFFF\-]/g, "" ) ||
+				this.options.idPrefix + getNextTabId();
+		}
+	});
+
+	// _createPanel method
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			panelTemplate: "<div></div>"
+		},
+
+		_createPanel: function( id ) {
+			return $( this.options.panelTemplate )
+				.attr( "id", id )
+				.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
+				.data( "ui-tabs-destroy", true );
+		}
+	});
+
+	// selected option
+	$.widget( "ui.tabs", $.ui.tabs, {
+		_create: function() {
+			var options = this.options;
+			if ( options.active === null && options.selected !== undefined ) {
+				options.active = options.selected === -1 ? false : options.selected;
+			}
+			this._super();
+			options.selected = options.active;
+			if ( options.selected === false ) {
+				options.selected = -1;
+			}
+		},
+
+		_setOption: function( key, value ) {
+			if ( key !== "selected" ) {
+				return this._super( key, value );
+			}
+
+			var options = this.options;
+			this._super( "active", value === -1 ? false : value );
+			options.selected = options.active;
+			if ( options.selected === false ) {
+				options.selected = -1;
+			}
+		},
+
+		_eventHandler: function() {
+			this._superApply( arguments );
+			this.options.selected = this.options.active;
+			if ( this.options.selected === false ) {
+				this.options.selected = -1;
+			}
+		}
+	});
+
+	// show and select event
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			show: null,
+			select: null
+		},
+		_create: function() {
+			this._super();
+			if ( this.options.active !== false ) {
+				this._trigger( "show", null, this._ui(
+					this.active.find( ".ui-tabs-anchor" )[ 0 ],
+					this._getPanelForTab( this.active )[ 0 ] ) );
+			}
+		},
+		_trigger: function( type, event, data ) {
+			var tab, panel,
+				ret = this._superApply( arguments );
+
+			if ( !ret ) {
+				return false;
+			}
+
+			if ( type === "beforeActivate" ) {
+				tab = data.newTab.length ? data.newTab : data.oldTab;
+				panel = data.newPanel.length ? data.newPanel : data.oldPanel;
+				ret = this._super( "select", event, {
+					tab: tab.find( ".ui-tabs-anchor" )[ 0],
+					panel: panel[ 0 ],
+					index: tab.closest( "li" ).index()
+				});
+			} else if ( type === "activate" && data.newTab.length ) {
+				ret = this._super( "show", event, {
+					tab: data.newTab.find( ".ui-tabs-anchor" )[ 0 ],
+					panel: data.newPanel[ 0 ],
+					index: data.newTab.closest( "li" ).index()
+				});
+			}
+			return ret;
+		}
+	});
+
+	// select method
+	$.widget( "ui.tabs", $.ui.tabs, {
+		select: function( index ) {
+			index = this._getIndex( index );
+			if ( index === -1 ) {
+				if ( this.options.collapsible && this.options.selected !== -1 ) {
+					index = this.options.selected;
+				} else {
+					return;
+				}
+			}
+			this.anchors.eq( index ).trigger( this.options.event + this.eventNamespace );
+		}
+	});
+
+	// cookie option
+	(function() {
+
+	var listId = 0;
+
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			cookie: null // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
+		},
+		_create: function() {
+			var options = this.options,
+				active;
+			if ( options.active == null && options.cookie ) {
+				active = parseInt( this._cookie(), 10 );
+				if ( active === -1 ) {
+					active = false;
+				}
+				options.active = active;
+			}
+			this._super();
+		},
+		_cookie: function( active ) {
+			var cookie = [ this.cookie ||
+				( this.cookie = this.options.cookie.name || "ui-tabs-" + (++listId) ) ];
+			if ( arguments.length ) {
+				cookie.push( active === false ? -1 : active );
+				cookie.push( this.options.cookie );
+			}
+			return $.cookie.apply( null, cookie );
+		},
+		_refresh: function() {
+			this._super();
+			if ( this.options.cookie ) {
+				this._cookie( this.options.active, this.options.cookie );
+			}
+		},
+		_eventHandler: function() {
+			this._superApply( arguments );
+			if ( this.options.cookie ) {
+				this._cookie( this.options.active, this.options.cookie );
+			}
+		},
+		_destroy: function() {
+			this._super();
+			if ( this.options.cookie ) {
+				this._cookie( null, this.options.cookie );
+			}
+		}
+	});
+
+	})();
+
+	// load event
+	$.widget( "ui.tabs", $.ui.tabs, {
+		_trigger: function( type, event, data ) {
+			var _data = $.extend( {}, data );
+			if ( type === "load" ) {
+				_data.panel = _data.panel[ 0 ];
+				_data.tab = _data.tab.find( ".ui-tabs-anchor" )[ 0 ];
+			}
+			return this._super( type, event, _data );
+		}
+	});
+
+	// fx option
+	// The new animation options (show, hide) conflict with the old show callback.
+	// The old fx option wins over show/hide anyway (always favor back-compat).
+	// If a user wants to use the new animation API, they must give up the old API.
+	$.widget( "ui.tabs", $.ui.tabs, {
+		options: {
+			fx: null // e.g. { height: "toggle", opacity: "toggle", duration: 200 }
+		},
+
+		_getFx: function() {
+			var hide, show,
+				fx = this.options.fx;
+
+			if ( fx ) {
+				if ( $.isArray( fx ) ) {
+					hide = fx[ 0 ];
+					show = fx[ 1 ];
+				} else {
+					hide = show = fx;
+				}
+			}
+
+			return fx ? { show: show, hide: hide } : null;
+		},
+
+		_toggle: function( event, eventData ) {
+			var that = this,
+				toShow = eventData.newPanel,
+				toHide = eventData.oldPanel,
+				fx = this._getFx();
+
+			if ( !fx ) {
+				return this._super( event, eventData );
+			}
+
+			that.running = true;
+
+			function complete() {
+				that.running = false;
+				that._trigger( "activate", event, eventData );
+			}
+
+			function show() {
+				eventData.newTab.closest( "li" ).addClass( "ui-tabs-active ui-state-active" );
+
+				if ( toShow.length && fx.show ) {
+					toShow
+						.animate( fx.show, fx.show.duration, function() {
+							complete();
+						});
+				} else {
+					toShow.show();
+					complete();
+				}
+			}
+
+			// start out by hiding, then showing, then completing
+			if ( toHide.length && fx.hide ) {
+				toHide.animate( fx.hide, fx.hide.duration, function() {
+					eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
+					show();
+				});
+			} else {
+				eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
+				toHide.hide();
+				show();
+			}
+		}
+	});
+}
+
+})( jQuery );