Merge "[FileRepo] Fixed file move data-loss race condition."
[lhc/web/wiklou.git] / resources / jquery.ui / jquery.ui.tabs.js
index 1f94d52..7cc19f0 100644 (file)
@@ -1,9 +1,9 @@
-/*
- * jQuery UI Tabs 1.8.2
+/*!
+ * jQuery UI Tabs 1.8.20
  *
- * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * and GPL (GPL-LICENSE.txt) licenses.
+ * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
  *
  * http://docs.jquery.com/UI/Tabs
  *
@@ -11,7 +11,7 @@
  *     jquery.ui.core.js
  *     jquery.ui.widget.js
  */
-(function($) {
+(function( $, undefined ) {
 
 var tabId = 0,
        listId = 0;
@@ -24,7 +24,7 @@ function getNextListId() {
        return ++listId;
 }
 
-$.widget("ui.tabs", {
+$.widget( "ui.tabs", {
        options: {
                add: null,
                ajaxOptions: null,
@@ -34,619 +34,650 @@ $.widget("ui.tabs", {
                disable: null,
                disabled: [],
                enable: null,
-               event: 'click',
+               event: "click",
                fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
-               idPrefix: 'ui-tabs-',
+               idPrefix: "ui-tabs-",
                load: null,
-               panelTemplate: '<div></div>',
+               panelTemplate: "<div></div>",
                remove: null,
                select: null,
                show: null,
-               spinner: '<em>Loading&#8230;</em>',
-               tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
+               spinner: "<em>Loading&#8230;</em>",
+               tabTemplate: "<li><a href='#{href}'><span>#{label}</span></a></li>"
        },
+
        _create: function() {
-               this._tabify(true);
+               this._tabify( true );
        },
 
-       _setOption: function(key, value) {
-               if (key == 'selected') {
-                       if (this.options.collapsible && value == this.options.selected) {
+       _setOption: function( key, value ) {
+               if ( key == "selected" ) {
+                       if (this.options.collapsible && value == this.options.selected ) {
                                return;
                        }
-                       this.select(value);
-               }
-               else {
-                       this.options[key] = value;
+                       this.select( value );
+               } else {
+                       this.options[ key ] = value;
                        this._tabify();
                }
        },
 
-       _tabId: function(a) {
-               return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '') ||
+       _tabId: function( a ) {
+               return a.title && a.title.replace( /\s/g, "_" ).replace( /[^\w\u00c0-\uFFFF-]/g, "" ) ||
                        this.options.idPrefix + getNextTabId();
        },
 
-       _sanitizeSelector: function(hash) {
-               return hash.replace(/:/g, '\\:'); // we need this because an id may contain a ":"
+       _sanitizeSelector: function( hash ) {
+               // we need this because an id may contain a ":"
+               return hash.replace( /:/g, "\\:" );
        },
 
        _cookie: function() {
-               var cookie = this.cookie || (this.cookie = this.options.cookie.name || 'ui-tabs-' + getNextListId());
-               return $.cookie.apply(null, [cookie].concat($.makeArray(arguments)));
+               var cookie = this.cookie ||
+                       ( this.cookie = this.options.cookie.name || "ui-tabs-" + getNextListId() );
+               return $.cookie.apply( null, [ cookie ].concat( $.makeArray( arguments ) ) );
        },
 
-       _ui: function(tab, panel) {
+       _ui: function( tab, panel ) {
                return {
                        tab: tab,
                        panel: panel,
-                       index: this.anchors.index(tab)
+                       index: this.anchors.index( tab )
                };
        },
 
        _cleanup: function() {
                // restore all former loading tabs labels
-               this.lis.filter('.ui-state-processing').removeClass('ui-state-processing')
-                               .find('span:data(label.tabs)')
+               this.lis.filter( ".ui-state-processing" )
+                       .removeClass( "ui-state-processing" )
+                       .find( "span:data(label.tabs)" )
                                .each(function() {
-                                       var el = $(this);
-                                       el.html(el.data('label.tabs')).removeData('label.tabs');
+                                       var el = $( this );
+                                       el.html( el.data( "label.tabs" ) ).removeData( "label.tabs" );
                                });
        },
 
-       _tabify: function(init) {
-
-               this.list = this.element.find('ol,ul').eq(0);
-               this.lis = $('li:has(a[href])', this.list);
-               this.anchors = this.lis.map(function() { return $('a', this)[0]; });
-               this.panels = $([]);
-
-               var self = this, o = this.options;
+       _tabify: function( init ) {
+               var self = this,
+                       o = this.options,
+                       fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
 
-               var fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
-               this.anchors.each(function(i, a) {
-                       var href = $(a).attr('href');
+               this.list = this.element.find( "ol,ul" ).eq( 0 );
+               this.lis = $( " > li:has(a[href])", this.list );
+               this.anchors = this.lis.map(function() {
+                       return $( "a", this )[ 0 ];
+               });
+               this.panels = $( [] );
 
+               this.anchors.each(function( i, a ) {
+                       var href = $( a ).attr( "href" );
                        // For dynamically created HTML that contains a hash as href IE < 8 expands
                        // such href to the full page url with hash and then misinterprets tab as ajax.
                        // Same consideration applies for an added tab with a fragment identifier
                        // since a[href=#fragment-identifier] does unexpectedly not match.
                        // Thus normalize href attribute...
-                       var hrefBase = href.split('#')[0], baseEl;
-                       if (hrefBase && (hrefBase === location.toString().split('#')[0] ||
-                                       (baseEl = $('base')[0]) && hrefBase === baseEl.href)) {
+                       var hrefBase = href.split( "#" )[ 0 ],
+                               baseEl;
+                       if ( hrefBase && ( hrefBase === location.toString().split( "#" )[ 0 ] ||
+                                       ( baseEl = $( "base" )[ 0 ]) && hrefBase === baseEl.href ) ) {
                                href = a.hash;
                                a.href = href;
                        }
 
                        // inline tab
-                       if (fragmentId.test(href)) {
-                               self.panels = self.panels.add(self._sanitizeSelector(href));
-                       }
-
+                       if ( fragmentId.test( href ) ) {
+                               self.panels = self.panels.add( self.element.find( self._sanitizeSelector( href ) ) );
                        // remote tab
-                       else if (href != '#') { // prevent loading the page itself if href is just "#"
-                               $.data(a, 'href.tabs', href); // required for restore on destroy
+                       // prevent loading the page itself if href is just "#"
+                       } else if ( href && href !== "#" ) {
+                               // required for restore on destroy
+                               $.data( a, "href.tabs", href );
 
                                // TODO until #3808 is fixed strip fragment identifier from url
                                // (IE fails to load from such url)
-                               $.data(a, 'load.tabs', href.replace(/#.*$/, '')); // mutable data
-
-                               var id = self._tabId(a);
-                               a.href = '#' + id;
-                               var $panel = $('#' + id);
-                               if (!$panel.length) {
-                                       $panel = $(o.panelTemplate).attr('id', id).addClass('ui-tabs-panel ui-widget-content ui-corner-bottom')
-                                               .insertAfter(self.panels[i - 1] || self.list);
-                                       $panel.data('destroy.tabs', true);
+                               $.data( a, "load.tabs", href.replace( /#.*$/, "" ) );
+
+                               var id = self._tabId( a );
+                               a.href = "#" + id;
+                               var $panel = self.element.find( "#" + id );
+                               if ( !$panel.length ) {
+                                       $panel = $( o.panelTemplate )
+                                               .attr( "id", id )
+                                               .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
+                                               .insertAfter( self.panels[ i - 1 ] || self.list );
+                                       $panel.data( "destroy.tabs", true );
                                }
-                               self.panels = self.panels.add($panel);
-                       }
-
+                               self.panels = self.panels.add( $panel );
                        // invalid tab href
-                       else {
-                               o.disabled.push(i);
+                       else {
+                               o.disabled.push( i );
                        }
                });
 
                // initialization from scratch
-               if (init) {
-
+               if ( init ) {
                        // attach necessary classes for styling
-                       this.element.addClass('ui-tabs ui-widget ui-widget-content ui-corner-all');
-                       this.list.addClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all');
-                       this.lis.addClass('ui-state-default ui-corner-top');
-                       this.panels.addClass('ui-tabs-panel ui-widget-content ui-corner-bottom');
+                       this.element.addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" );
+                       this.list.addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" );
+                       this.lis.addClass( "ui-state-default ui-corner-top" );
+                       this.panels.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" );
 
                        // Selected tab
                        // use "selected" option or try to retrieve:
                        // 1. from fragment identifier in url
                        // 2. from cookie
                        // 3. from selected class attribute on <li>
-                       if (o.selected === undefined) {
-                               if (location.hash) {
-                                       this.anchors.each(function(i, a) {
-                                               if (a.hash == location.hash) {
+                       if ( o.selected === undefined ) {
+                               if ( location.hash ) {
+                                       this.anchors.each(function( i, a ) {
+                                               if ( a.hash == location.hash ) {
                                                        o.selected = i;
-                                                       return false; // break
+                                                       return false;
                                                }
                                        });
                                }
-                               if (typeof o.selected != 'number' && o.cookie) {
-                                       o.selected = parseInt(self._cookie(), 10);
+                               if ( typeof o.selected !== "number" && o.cookie ) {
+                                       o.selected = parseInt( self._cookie(), 10 );
                                }
-                               if (typeof o.selected != 'number' && this.lis.filter('.ui-tabs-selected').length) {
-                                       o.selected = this.lis.index(this.lis.filter('.ui-tabs-selected'));
+                               if ( typeof o.selected !== "number" && this.lis.filter( ".ui-tabs-selected" ).length ) {
+                                       o.selected = this.lis.index( this.lis.filter( ".ui-tabs-selected" ) );
                                }
-                               o.selected = o.selected || (this.lis.length ? 0 : -1);
-                       }
-                       else if (o.selected === null) { // usage of null is deprecated, TODO remove in next release
+                               o.selected = o.selected || ( this.lis.length ? 0 : -1 );
+                       } else if ( o.selected === null ) { // usage of null is deprecated, TODO remove in next release
                                o.selected = -1;
                        }
 
                        // sanity check - default to first tab...
-                       o.selected = ((o.selected >= 0 && this.anchors[o.selected]) || o.selected < 0) ? o.selected : 0;
+                       o.selected = ( ( o.selected >= 0 && this.anchors[ o.selected ] ) || o.selected < 0 )
+                               ? o.selected
+                               : 0;
 
                        // Take disabling tabs via class attribute from HTML
                        // into account and update option properly.
                        // A selected tab cannot become disabled.
-                       o.disabled = $.unique(o.disabled.concat(
-                               $.map(this.lis.filter('.ui-state-disabled'),
-                                       function(n, i) { return self.lis.index(n); } )
-                       )).sort();
-
-                       if ($.inArray(o.selected, o.disabled) != -1) {
-                               o.disabled.splice($.inArray(o.selected, o.disabled), 1);
+                       o.disabled = $.unique( o.disabled.concat(
+                               $.map( this.lis.filter( ".ui-state-disabled" ), function( n, i ) {
+                                       return self.lis.index( n );
+                               })
+                       ) ).sort();
+
+                       if ( $.inArray( o.selected, o.disabled ) != -1 ) {
+                               o.disabled.splice( $.inArray( o.selected, o.disabled ), 1 );
                        }
 
                        // highlight selected tab
-                       this.panels.addClass('ui-tabs-hide');
-                       this.lis.removeClass('ui-tabs-selected ui-state-active');
-                       if (o.selected >= 0 && this.anchors.length) { // check for length avoids error when initializing empty list
-                               this.panels.eq(o.selected).removeClass('ui-tabs-hide');
-                               this.lis.eq(o.selected).addClass('ui-tabs-selected ui-state-active');
+                       this.panels.addClass( "ui-tabs-hide" );
+                       this.lis.removeClass( "ui-tabs-selected ui-state-active" );
+                       // check for length avoids error when initializing empty list
+                       if ( o.selected >= 0 && this.anchors.length ) {
+                               self.element.find( self._sanitizeSelector( self.anchors[ o.selected ].hash ) ).removeClass( "ui-tabs-hide" );
+                               this.lis.eq( o.selected ).addClass( "ui-tabs-selected ui-state-active" );
 
                                // seems to be expected behavior that the show callback is fired
-                               self.element.queue("tabs", function() {
-                                       self._trigger('show', null, self._ui(self.anchors[o.selected], self.panels[o.selected]));
+                               self.element.queue( "tabs", function() {
+                                       self._trigger( "show", null,
+                                               self._ui( self.anchors[ o.selected ], self.element.find( self._sanitizeSelector( self.anchors[ o.selected ].hash ) )[ 0 ] ) );
                                });
-                               
-                               this.load(o.selected);
+
+                               this.load( o.selected );
                        }
 
                        // clean up to avoid memory leaks in certain versions of IE 6
-                       $(window).bind('unload', function() {
-                               self.lis.add(self.anchors).unbind('.tabs');
+                       // TODO: namespace this event
+                       $( window ).bind( "unload", function() {
+                               self.lis.add( self.anchors ).unbind( ".tabs" );
                                self.lis = self.anchors = self.panels = null;
                        });
-
-               }
                // update selected after add/remove
-               else {
-                       o.selected = this.lis.index(this.lis.filter('.ui-tabs-selected'));
+               else {
+                       o.selected = this.lis.index( this.lis.filter( ".ui-tabs-selected" ) );
                }
 
                // update collapsible
-               this.element[o.collapsible ? 'addClass' : 'removeClass']('ui-tabs-collapsible');
+               // TODO: use .toggleClass()
+               this.element[ o.collapsible ? "addClass" : "removeClass" ]( "ui-tabs-collapsible" );
 
                // set or update cookie after init and add/remove respectively
-               if (o.cookie) {
-                       this._cookie(o.selected, o.cookie);
+               if ( o.cookie ) {
+                       this._cookie( o.selected, o.cookie );
                }
 
                // disable tabs
-               for (var i = 0, li; (li = this.lis[i]); i++) {
-                       $(li)[$.inArray(i, o.disabled) != -1 &&
-                               !$(li).hasClass('ui-tabs-selected') ? 'addClass' : 'removeClass']('ui-state-disabled');
+               for ( var i = 0, li; ( li = this.lis[ i ] ); i++ ) {
+                       $( li )[ $.inArray( i, o.disabled ) != -1 &&
+                               // TODO: use .toggleClass()
+                               !$( li ).hasClass( "ui-tabs-selected" ) ? "addClass" : "removeClass" ]( "ui-state-disabled" );
                }
 
                // reset cache if switching from cached to not cached
-               if (o.cache === false) {
-                       this.anchors.removeData('cache.tabs');
+               if ( o.cache === false ) {
+                       this.anchors.removeData( "cache.tabs" );
                }
 
                // remove all handlers before, tabify may run on existing tabs after add or option change
-               this.lis.add(this.anchors).unbind('.tabs');
+               this.lis.add( this.anchors ).unbind( ".tabs" );
 
-               if (o.event != 'mouseover') {
-                       var addState = function(state, el) {
-                               if (el.is(':not(.ui-state-disabled)')) {
-                                       el.addClass('ui-state-' + state);
+               if ( o.event !== "mouseover" ) {
+                       var addState = function( state, el ) {
+                               if ( el.is( ":not(.ui-state-disabled)" ) ) {
+                                       el.addClass( "ui-state-" + state );
                                }
                        };
-                       var removeState = function(state, el) {
-                               el.removeClass('ui-state-' + state);
+                       var removeState = function( state, el ) {
+                               el.removeClass( "ui-state-" + state );
                        };
-                       this.lis.bind('mouseover.tabs', function() {
-                               addState('hover', $(this));
+                       this.lis.bind( "mouseover.tabs" , function() {
+                               addState( "hover", $( this ) );
                        });
-                       this.lis.bind('mouseout.tabs', function() {
-                               removeState('hover', $(this));
+                       this.lis.bind( "mouseout.tabs", function() {
+                               removeState( "hover", $( this ) );
                        });
-                       this.anchors.bind('focus.tabs', function() {
-                               addState('focus', $(this).closest('li'));
+                       this.anchors.bind( "focus.tabs", function() {
+                               addState( "focus", $( this ).closest( "li" ) );
                        });
-                       this.anchors.bind('blur.tabs', function() {
-                               removeState('focus', $(this).closest('li'));
+                       this.anchors.bind( "blur.tabs", function() {
+                               removeState( "focus", $( this ).closest( "li" ) );
                        });
                }
 
                // set up animations
                var hideFx, showFx;
-               if (o.fx) {
-                       if ($.isArray(o.fx)) {
-                               hideFx = o.fx[0];
-                               showFx = o.fx[1];
-                       }
-                       else {
+               if ( o.fx ) {
+                       if ( $.isArray( o.fx ) ) {
+                               hideFx = o.fx[ 0 ];
+                               showFx = o.fx[ 1 ];
+                       } else {
                                hideFx = showFx = o.fx;
                        }
                }
 
                // Reset certain styles left over from animation
                // and prevent IE's ClearType bug...
-               function resetStyle($el, fx) {
-                       $el.css({ display: '' });
-                       if (!$.support.opacity && fx.opacity) {
-                               $el[0].style.removeAttribute('filter');
+               function resetStyle( $el, fx ) {
+                       $el.css( "display", "" );
+                       if ( !$.support.opacity && fx.opacity ) {
+                               $el[ 0 ].style.removeAttribute( "filter" );
                        }
                }
 
                // Show a tab...
-               var showTab = showFx ?
-                       function(clicked, $show) {
-                               $(clicked).closest('li').addClass('ui-tabs-selected ui-state-active');
-                               $show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
-                                       .animate(showFx, showFx.duration || 'normal', function() {
-                                               resetStyle($show, showFx);
-                                               self._trigger('show', null, self._ui(clicked, $show[0]));
+               var showTab = showFx
+                       ? function( clicked, $show ) {
+                               $( clicked ).closest( "li" ).addClass( "ui-tabs-selected ui-state-active" );
+                               $show.hide().removeClass( "ui-tabs-hide" ) // avoid flicker that way
+                                       .animate( showFx, showFx.duration || "normal", function() {
+                                               resetStyle( $show, showFx );
+                                               self._trigger( "show", null, self._ui( clicked, $show[ 0 ] ) );
                                        });
-                       } :
-                       function(clicked, $show) {
-                               $(clicked).closest('li').addClass('ui-tabs-selected ui-state-active');
-                               $show.removeClass('ui-tabs-hide');
-                               self._trigger('show', null, self._ui(clicked, $show[0]));
+                       }
+                       : function( clicked, $show ) {
+                               $( clicked ).closest( "li" ).addClass( "ui-tabs-selected ui-state-active" );
+                               $show.removeClass( "ui-tabs-hide" );
+                               self._trigger( "show", null, self._ui( clicked, $show[ 0 ] ) );
                        };
 
                // Hide a tab, $show is optional...
-               var hideTab = hideFx ?
-                       function(clicked, $hide) {
-                               $hide.animate(hideFx, hideFx.duration || 'normal', function() {
-                                       self.lis.removeClass('ui-tabs-selected ui-state-active');
-                                       $hide.addClass('ui-tabs-hide');
-                                       resetStyle($hide, hideFx);
-                                       self.element.dequeue("tabs");
+               var hideTab = hideFx
+                       ? function( clicked, $hide ) {
+                               $hide.animate( hideFx, hideFx.duration || "normal", function() {
+                                       self.lis.removeClass( "ui-tabs-selected ui-state-active" );
+                                       $hide.addClass( "ui-tabs-hide" );
+                                       resetStyle( $hide, hideFx );
+                                       self.element.dequeue( "tabs" );
                                });
-                       } :
-                       function(clicked, $hide, $show) {
-                               self.lis.removeClass('ui-tabs-selected ui-state-active');
-                               $hide.addClass('ui-tabs-hide');
-                               self.element.dequeue("tabs");
+                       }
+                       : function( clicked, $hide, $show ) {
+                               self.lis.removeClass( "ui-tabs-selected ui-state-active" );
+                               $hide.addClass( "ui-tabs-hide" );
+                               self.element.dequeue( "tabs" );
                        };
 
                // attach tab event handler, unbind to avoid duplicates from former tabifying...
-               this.anchors.bind(o.event + '.tabs', function() {
-                       var el = this, $li = $(this).closest('li'), $hide = self.panels.filter(':not(.ui-tabs-hide)'),
-                                       $show = $(self._sanitizeSelector(this.hash));
+               this.anchors.bind( o.event + ".tabs", function() {
+                       var el = this,
+                               $li = $(el).closest( "li" ),
+                               $hide = self.panels.filter( ":not(.ui-tabs-hide)" ),
+                               $show = self.element.find( self._sanitizeSelector( el.hash ) );
 
                        // If tab is already selected and not collapsible or tab disabled or
                        // or is already loading or click callback returns false stop here.
                        // Check if click handler returns false last so that it is not executed
                        // for a disabled or loading tab!
-                       if (($li.hasClass('ui-tabs-selected') && !o.collapsible) ||
-                               $li.hasClass('ui-state-disabled') ||
-                               $li.hasClass('ui-state-processing') ||
-                               self._trigger('select', null, self._ui(this, $show[0])) === false) {
+                       if ( ( $li.hasClass( "ui-tabs-selected" ) && !o.collapsible) ||
+                               $li.hasClass( "ui-state-disabled" ) ||
+                               $li.hasClass( "ui-state-processing" ) ||
+                               self.panels.filter( ":animated" ).length ||
+                               self._trigger( "select", null, self._ui( this, $show[ 0 ] ) ) === false ) {
                                this.blur();
                                return false;
                        }
 
-                       o.selected = self.anchors.index(this);
+                       o.selected = self.anchors.index( this );
 
                        self.abort();
 
                        // if tab may be closed
-                       if (o.collapsible) {
-                               if ($li.hasClass('ui-tabs-selected')) {
+                       if ( o.collapsible ) {
+                               if ( $li.hasClass( "ui-tabs-selected" ) ) {
                                        o.selected = -1;
 
-                                       if (o.cookie) {
-                                               self._cookie(o.selected, o.cookie);
+                                       if ( o.cookie ) {
+                                               self._cookie( o.selected, o.cookie );
                                        }
 
-                                       self.element.queue("tabs", function() {
-                                               hideTab(el, $hide);
-                                       }).dequeue("tabs");
-                                       
+                                       self.element.queue( "tabs", function() {
+                                               hideTab( el, $hide );
+                                       }).dequeue( "tabs" );
+
                                        this.blur();
                                        return false;
-                               }
-                               else if (!$hide.length) {
-                                       if (o.cookie) {
-                                               self._cookie(o.selected, o.cookie);
+                               } else if ( !$hide.length ) {
+                                       if ( o.cookie ) {
+                                               self._cookie( o.selected, o.cookie );
                                        }
-                                       
-                                       self.element.queue("tabs", function() {
-                                               showTab(el, $show);
+
+                                       self.element.queue( "tabs", function() {
+                                               showTab( el, $show );
                                        });
 
-                                       self.load(self.anchors.index(this)); // TODO make passing in node possible, see also http://dev.jqueryui.com/ticket/3171
-                                       
+                                       // TODO make passing in node possible, see also http://dev.jqueryui.com/ticket/3171
+                                       self.load( self.anchors.index( this ) );
+
                                        this.blur();
                                        return false;
                                }
                        }
 
-                       if (o.cookie) {
-                               self._cookie(o.selected, o.cookie);
+                       if ( o.cookie ) {
+                               self._cookie( o.selected, o.cookie );
                        }
 
                        // show new tab
-                       if ($show.length) {
-                               if ($hide.length) {
-                                       self.element.queue("tabs", function() {
-                                               hideTab(el, $hide);
+                       if ( $show.length ) {
+                               if ( $hide.length ) {
+                                       self.element.queue( "tabs", function() {
+                                               hideTab( el, $hide );
                                        });
                                }
-                               self.element.queue("tabs", function() {
-                                       showTab(el, $show);
+                               self.element.queue( "tabs", function() {
+                                       showTab( el, $show );
                                });
-                               
-                               self.load(self.anchors.index(this));
-                       }
-                       else {
-                               throw 'jQuery UI Tabs: Mismatching fragment identifier.';
+
+                               self.load( self.anchors.index( this ) );
+                       } else {
+                               throw "jQuery UI Tabs: Mismatching fragment identifier.";
                        }
 
                        // Prevent IE from keeping other link focussed when using the back button
                        // and remove dotted border from clicked link. This is controlled via CSS
                        // in modern browsers; blur() removes focus from address bar in Firefox
                        // which can become a usability and annoying problem with tabs('rotate').
-                       if ($.browser.msie) {
+                       if ( $.browser.msie ) {
                                this.blur();
                        }
-
                });
 
                // disable click in any case
-               this.anchors.bind('click.tabs', function(){return false;});
+               this.anchors.bind( "click.tabs", function(){
+                       return false;
+               });
+       },
+
+    _getIndex: function( index ) {
+               // meta-function to give users option to provide a href string instead of a numerical index.
+               // also sanitizes numerical indexes to valid values.
+               if ( typeof index == "string" ) {
+                       index = this.anchors.index( this.anchors.filter( "[href$='" + index + "']" ) );
+               }
 
+               return index;
        },
 
        destroy: function() {
                var o = this.options;
 
                this.abort();
-               
-               this.element.unbind('.tabs')
-                       .removeClass('ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible')
-                       .removeData('tabs');
 
-               this.list.removeClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all');
+               this.element
+                       .unbind( ".tabs" )
+                       .removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" )
+                       .removeData( "tabs" );
+
+               this.list.removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" );
 
                this.anchors.each(function() {
-                       var href = $.data(this, 'href.tabs');
-                       if (href) {
+                       var href = $.data( this, "href.tabs" );
+                       if ( href ) {
                                this.href = href;
                        }
-                       var $this = $(this).unbind('.tabs');
-                       $.each(['href', 'load', 'cache'], function(i, prefix) {
-                               $this.removeData(prefix + '.tabs');
+                       var $this = $( this ).unbind( ".tabs" );
+                       $.each( [ "href", "load", "cache" ], function( i, prefix ) {
+                               $this.removeData( prefix + ".tabs" );
                        });
                });
 
-               this.lis.unbind('.tabs').add(this.panels).each(function() {
-                       if ($.data(this, 'destroy.tabs')) {
-                               $(this).remove();
-                       }
-                       else {
-                               $(this).removeClass([
-                                       'ui-state-default',
-                                       'ui-corner-top',
-                                       'ui-tabs-selected',
-                                       'ui-state-active',
-                                       'ui-state-hover',
-                                       'ui-state-focus',
-                                       'ui-state-disabled',
-                                       'ui-tabs-panel',
-                                       'ui-widget-content',
-                                       'ui-corner-bottom',
-                                       'ui-tabs-hide'
-                               ].join(' '));
+               this.lis.unbind( ".tabs" ).add( this.panels ).each(function() {
+                       if ( $.data( this, "destroy.tabs" ) ) {
+                               $( this ).remove();
+                       } else {
+                               $( this ).removeClass([
+                                       "ui-state-default",
+                                       "ui-corner-top",
+                                       "ui-tabs-selected",
+                                       "ui-state-active",
+                                       "ui-state-hover",
+                                       "ui-state-focus",
+                                       "ui-state-disabled",
+                                       "ui-tabs-panel",
+                                       "ui-widget-content",
+                                       "ui-corner-bottom",
+                                       "ui-tabs-hide"
+                               ].join( " " ) );
                        }
                });
 
-               if (o.cookie) {
-                       this._cookie(null, o.cookie);
+               if ( o.cookie ) {
+                       this._cookie( null, o.cookie );
                }
 
                return this;
        },
 
-       add: function(url, label, index) {
-               if (index === undefined) {
-                       index = this.anchors.length; // append by default
+       add: function( url, label, index ) {
+               if ( index === undefined ) {
+                       index = this.anchors.length;
                }
 
-               var self = this, o = this.options,
-                       $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label)),
-                       id = !url.indexOf('#') ? url.replace('#', '') : this._tabId($('a', $li)[0]);
+               var self = this,
+                       o = this.options,
+                       $li = $( o.tabTemplate.replace( /#\{href\}/g, url ).replace( /#\{label\}/g, label ) ),
+                       id = !url.indexOf( "#" ) ? url.replace( "#", "" ) : this._tabId( $( "a", $li )[ 0 ] );
 
-               $li.addClass('ui-state-default ui-corner-top').data('destroy.tabs', true);
+               $li.addClass( "ui-state-default ui-corner-top" ).data( "destroy.tabs", true );
 
                // try to find an existing element before creating a new one
-               var $panel = $('#' + id);
-               if (!$panel.length) {
-                       $panel = $(o.panelTemplate).attr('id', id).data('destroy.tabs', true);
+               var $panel = self.element.find( "#" + id );
+               if ( !$panel.length ) {
+                       $panel = $( o.panelTemplate )
+                               .attr( "id", id )
+                               .data( "destroy.tabs", true );
                }
-               $panel.addClass('ui-tabs-panel ui-widget-content ui-corner-bottom ui-tabs-hide');
-
-               if (index >= this.lis.length) {
-                       $li.appendTo(this.list);
-                       $panel.appendTo(this.list[0].parentNode);
-               }
-               else {
-                       $li.insertBefore(this.lis[index]);
-                       $panel.insertBefore(this.panels[index]);
+               $panel.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom ui-tabs-hide" );
+
+               if ( index >= this.lis.length ) {
+                       $li.appendTo( this.list );
+                       $panel.appendTo( this.list[ 0 ].parentNode );
+               } else {
+                       $li.insertBefore( this.lis[ index ] );
+                       $panel.insertBefore( this.panels[ index ] );
                }
 
-               o.disabled = $.map(o.disabled,
-                       function(n, i) { return n >= index ? ++n : n; });
+               o.disabled = $.map( o.disabled, function( n, i ) {
+                       return n >= index ? ++n : n;
+               });
 
                this._tabify();
 
-               if (this.anchors.length == 1) { // after tabify
+               if ( this.anchors.length == 1 ) {
                        o.selected = 0;
-                       $li.addClass('ui-tabs-selected ui-state-active');
-                       $panel.removeClass('ui-tabs-hide');
-                       this.element.queue("tabs", function() {
-                               self._trigger('show', null, self._ui(self.anchors[0], self.panels[0]));
+                       $li.addClass( "ui-tabs-selected ui-state-active" );
+                       $panel.removeClass( "ui-tabs-hide" );
+                       this.element.queue( "tabs", function() {
+                               self._trigger( "show", null, self._ui( self.anchors[ 0 ], self.panels[ 0 ] ) );
                        });
-                               
-                       this.load(0);
+
+                       this.load( 0 );
                }
 
-               // callback
-               this._trigger('add', null, this._ui(this.anchors[index], this.panels[index]));
+               this._trigger( "add", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
                return this;
        },
 
-       remove: function(index) {
-               var o = this.options, $li = this.lis.eq(index).remove(),
-                       $panel = this.panels.eq(index).remove();
+       remove: function( index ) {
+               index = this._getIndex( index );
+               var o = this.options,
+                       $li = this.lis.eq( index ).remove(),
+                       $panel = this.panels.eq( index ).remove();
 
                // If selected tab was removed focus tab to the right or
                // in case the last tab was removed the tab to the left.
-               if ($li.hasClass('ui-tabs-selected') && this.anchors.length > 1) {
-                       this.select(index + (index + 1 < this.anchors.length ? 1 : -1));
+               if ( $li.hasClass( "ui-tabs-selected" ) && this.anchors.length > 1) {
+                       this.select( index + ( index + 1 < this.anchors.length ? 1 : -1 ) );
                }
 
-               o.disabled = $.map($.grep(o.disabled, function(n, i) { return n != index; }),
-                       function(n, i) { return n >= index ? --n : n; });
+               o.disabled = $.map(
+                       $.grep( o.disabled, function(n, i) {
+                               return n != index;
+                       }),
+                       function( n, i ) {
+                               return n >= index ? --n : n;
+                       });
 
                this._tabify();
 
-               // callback
-               this._trigger('remove', null, this._ui($li.find('a')[0], $panel[0]));
+               this._trigger( "remove", null, this._ui( $li.find( "a" )[ 0 ], $panel[ 0 ] ) );
                return this;
        },
 
-       enable: function(index) {
+       enable: function( index ) {
+               index = this._getIndex( index );
                var o = this.options;
-               if ($.inArray(index, o.disabled) == -1) {
+               if ( $.inArray( index, o.disabled ) == -1 ) {
                        return;
                }
 
-               this.lis.eq(index).removeClass('ui-state-disabled');
-               o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
+               this.lis.eq( index ).removeClass( "ui-state-disabled" );
+               o.disabled = $.grep( o.disabled, function( n, i ) {
+                       return n != index;
+               });
 
-               // callback
-               this._trigger('enable', null, this._ui(this.anchors[index], this.panels[index]));
+               this._trigger( "enable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
                return this;
        },
 
-       disable: function(index) {
+       disable: function( index ) {
+               index = this._getIndex( index );
                var self = this, o = this.options;
-               if (index != o.selected) { // cannot disable already selected tab
-                       this.lis.eq(index).addClass('ui-state-disabled');
+               // cannot disable already selected tab
+               if ( index != o.selected ) {
+                       this.lis.eq( index ).addClass( "ui-state-disabled" );
 
-                       o.disabled.push(index);
+                       o.disabled.push( index );
                        o.disabled.sort();
 
-                       // callback
-                       this._trigger('disable', null, this._ui(this.anchors[index], this.panels[index]));
+                       this._trigger( "disable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
                }
 
                return this;
        },
 
-       select: function(index) {
-               if (typeof index == 'string') {
-                       index = this.anchors.index(this.anchors.filter('[href$=' + index + ']'));
-               }
-               else if (index === null) { // usage of null is deprecated, TODO remove in next release
-                       index = -1;
-               }
-               if (index == -1 && this.options.collapsible) {
-                       index = this.options.selected;
+       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;
+                       }
                }
-
-               this.anchors.eq(index).trigger(this.options.event + '.tabs');
+               this.anchors.eq( index ).trigger( this.options.event + ".tabs" );
                return this;
        },
 
-       load: function(index) {
-               var self = this, o = this.options, a = this.anchors.eq(index)[0], url = $.data(a, 'load.tabs');
+       load: function( index ) {
+               index = this._getIndex( index );
+               var self = this,
+                       o = this.options,
+                       a = this.anchors.eq( index )[ 0 ],
+                       url = $.data( a, "load.tabs" );
 
                this.abort();
 
                // not remote or from cache
-               if (!url || this.element.queue("tabs").length !== 0 && $.data(a, 'cache.tabs')) {
-                       this.element.dequeue("tabs");
+               if ( !url || this.element.queue( "tabs" ).length !== 0 && $.data( a, "cache.tabs" ) ) {
+                       this.element.dequeue( "tabs" );
                        return;
                }
 
                // load remote from here on
-               this.lis.eq(index).addClass('ui-state-processing');
+               this.lis.eq( index ).addClass( "ui-state-processing" );
 
-               if (o.spinner) {
-                       var span = $('span', a);
-                       span.data('label.tabs', span.html()).html(o.spinner);
+               if ( o.spinner ) {
+                       var span = $( "span", a );
+                       span.data( "label.tabs", span.html() ).html( o.spinner );
                }
 
-               this.xhr = $.ajax($.extend({}, o.ajaxOptions, {
+               this.xhr = $.ajax( $.extend( {}, o.ajaxOptions, {
                        url: url,
-                       success: function(r, s) {
-                               $(self._sanitizeSelector(a.hash)).html(r);
+                       success: function( r, s ) {
+                               self.element.find( self._sanitizeSelector( a.hash ) ).html( r );
 
                                // take care of tab labels
                                self._cleanup();
 
-                               if (o.cache) {
-                                       $.data(a, 'cache.tabs', true); // if loaded once do not load them again
+                               if ( o.cache ) {
+                                       $.data( a, "cache.tabs", true );
                                }
 
-                               // callbacks
-                               self._trigger('load', null, self._ui(self.anchors[index], self.panels[index]));
+                               self._trigger( "load", null, self._ui( self.anchors[ index ], self.panels[ index ] ) );
                                try {
-                                       o.ajaxOptions.success(r, s);
+                                       o.ajaxOptions.success( r, s );
                                }
-                               catch (e) {}
+                               catch ( e ) {}
                        },
-                       error: function(xhr, s, e) {
+                       error: function( xhr, s, e ) {
                                // take care of tab labels
                                self._cleanup();
 
-                               // callbacks
-                               self._trigger('load', null, self._ui(self.anchors[index], self.panels[index]));
+                               self._trigger( "load", null, self._ui( self.anchors[ index ], self.panels[ index ] ) );
                                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)
-                                       o.ajaxOptions.error(xhr, s, index, a);
+                                       o.ajaxOptions.error( xhr, s, index, a );
                                }
-                               catch (e) {}
+                               catch ( e ) {}
                        }
-               }));
+               } ) );
 
                // last, so that load event is fired before show...
-               self.element.dequeue("tabs");
+               self.element.dequeue( "tabs" );
 
                return this;
        },
 
        abort: function() {
                // stop possibly running animations
-               this.element.queue([]);
-               this.panels.stop(false, true);
+               this.element.queue( [] );
+               this.panels.stop( false, true );
 
                // "tabs" queue must not contain more than two elements,
                // which are the callbacks for the latest clicked tab...
-               this.element.queue("tabs", this.element.queue("tabs").splice(-2, 2));
+               this.element.queue( "tabs", this.element.queue( "tabs" ).splice( -2, 2 ) );
 
                // terminate pending requests from other tabs
-               if (this.xhr) {
+               if ( this.xhr ) {
                        this.xhr.abort();
                        delete this.xhr;
                }
@@ -656,19 +687,18 @@ $.widget("ui.tabs", {
                return this;
        },
 
-       url: function(index, url) {
-               this.anchors.eq(index).removeData('cache.tabs').data('load.tabs', url);
+       url: function( index, url ) {
+               this.anchors.eq( index ).removeData( "cache.tabs" ).data( "load.tabs", url );
                return this;
        },
 
        length: function() {
                return this.anchors.length;
        }
-
 });
 
-$.extend($.ui.tabs, {
-       version: '1.8.2'
+$.extend( $.ui.tabs, {
+       version: "1.8.20"
 });
 
 /*
@@ -678,46 +708,44 @@ $.extend($.ui.tabs, {
 /*
  * Rotate
  */
-$.extend($.ui.tabs.prototype, {
+$.extend( $.ui.tabs.prototype, {
        rotation: null,
-       rotate: function(ms, continuing) {
+       rotate: function( ms, continuing ) {
+               var self = this,
+                       o = this.options;
 
-               var self = this, o = this.options;
-               
-               var rotate = self._rotate || (self._rotate = function(e) {
-                       clearTimeout(self.rotation);
+               var rotate = self._rotate || ( self._rotate = function( e ) {
+                       clearTimeout( self.rotation );
                        self.rotation = setTimeout(function() {
                                var t = o.selected;
                                self.select( ++t < self.anchors.length ? t : 0 );
-                       }, ms);
+                       }, ms );
                        
-                       if (e) {
+                       if ( e ) {
                                e.stopPropagation();
                        }
                });
-               
-               var stop = self._unrotate || (self._unrotate = !continuing ?
-                       function(e) {
+
+               var stop = self._unrotate || ( self._unrotate = !continuing
+                       function(e) {
                                if (e.clientX) { // in case of a true click
                                        self.rotate(null);
                                }
-                       } :
-                       function(e) {
-                               t = o.selected;
+                       }
+                       : function( e ) {
                                rotate();
                        });
 
                // start rotation
-               if (ms) {
-                       this.element.bind('tabsshow', rotate);
-                       this.anchors.bind(o.event + '.tabs', stop);
+               if ( ms ) {
+                       this.element.bind( "tabsshow", rotate );
+                       this.anchors.bind( o.event + ".tabs", stop );
                        rotate();
-               }
                // stop rotation
-               else {
-                       clearTimeout(self.rotation);
-                       this.element.unbind('tabsshow', rotate);
-                       this.anchors.unbind(o.event + '.tabs', stop);
+               else {
+                       clearTimeout( self.rotation );
+                       this.element.unbind( "tabsshow", rotate );
+                       this.anchors.unbind( o.event + ".tabs", stop );
                        delete this._rotate;
                        delete this._unrotate;
                }
@@ -726,4 +754,4 @@ $.extend($.ui.tabs.prototype, {
        }
 });
 
-})(jQuery);
+})( jQuery );