From 6acc3ff7909dd7f070973c112ebd9291862982f8 Mon Sep 17 00:00:00 2001
From: nikrou <nikrou@piwigo.org>
Date: Sat, 20 Feb 2010 19:56:36 +0000
Subject: Feature 1442 : update jquery * update jquery to 1.4.1 * update jquery
 ui to 1.7.2

git-svn-id: http://piwigo.org/svn/trunk@4918 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 template-common/lib/ui/ui.tabs.js | 864 +++++++++++++++++++++-----------------
 1 file changed, 475 insertions(+), 389 deletions(-)

(limited to 'template-common/lib/ui/ui.tabs.js')

diff --git a/template-common/lib/ui/ui.tabs.js b/template-common/lib/ui/ui.tabs.js
index a7099d0be..d914b3e4f 100644
--- a/template-common/lib/ui/ui.tabs.js
+++ b/template-common/lib/ui/ui.tabs.js
@@ -1,7 +1,7 @@
 /*
- * jQuery UI Tabs
+ * jQuery UI Tabs 1.7.2
  *
- * Copyright (c) 2007, 2008 Klaus Hartl (stilbuero.de)
+ * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
  * Dual licensed under the MIT (MIT-LICENSE.txt)
  * and GPL (GPL-LICENSE.txt) licenses.
  *
@@ -13,74 +13,125 @@
 (function($) {
 
 $.widget("ui.tabs", {
-	init: function() {
-		this.options.event += '.tabs'; // namespace event
-		
-		// create tabs
-		this.tabify(true);
+
+	_init: function() {
+		if (this.options.deselectable !== undefined) {
+			this.options.collapsible = this.options.deselectable;
+		}
+		this._tabify(true);
 	},
-	setData: function(key, value) {
-		if ((/^selected/).test(key))
+
+	_setData: function(key, value) {
+		if (key == 'selected') {
+			if (this.options.collapsible && value == this.options.selected) {
+				return;
+			}
 			this.select(value);
+		}
 		else {
 			this.options[key] = value;
-			this.tabify();
+			if (key == 'deselectable') {
+				this.options.collapsible = value;
+			}
+			this._tabify();
 		}
 	},
-	length: function() {
-		return this.$tabs.length;
+
+	_tabId: function(a) {
+		return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '') ||
+			this.options.idPrefix + $.data(a);
 	},
-	tabId: function(a) {
-		return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '')
-			|| this.options.idPrefix + $.data(a);
+
+	_sanitizeSelector: function(hash) {
+		return hash.replace(/:/g, '\\:'); // we need this because an id may contain a ":"
+	},
+
+	_cookie: function() {
+		var cookie = this.cookie || (this.cookie = this.options.cookie.name || 'ui-tabs-' + $.data(this.list[0]));
+		return $.cookie.apply(null, [cookie].concat($.makeArray(arguments)));
 	},
-	ui: function(tab, panel) {
+
+	_ui: function(tab, panel) {
 		return {
-			options: this.options,
 			tab: tab,
 			panel: panel,
-			index: this.$tabs.index(tab)
+			index: this.anchors.index(tab)
 		};
 	},
-	tabify: function(init) {
 
-		this.$lis = $('li:has(a[href])', this.element);
-		this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });
-		this.$panels = $([]);
+	_cleanup: function() {
+		// restore all former loading tabs labels
+		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');
+				});
+	},
+
+	_tabify: function(init) {
+
+		this.list = this.element.children('ul:first');
+		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;
 
-		this.$tabs.each(function(i, a) {
+		var fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
+		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 = $('base')[0]) && hrefBase === baseEl.href)) {
+				href = a.hash;
+				a.href = href;
+			}
+
 			// inline tab
-			if (a.hash && a.hash.replace('#', '')) // Safari 2 reports '#' for an empty hash
-				self.$panels = self.$panels.add(a.hash);
+			if (fragmentId.test(href)) {
+				self.panels = self.panels.add(self._sanitizeSelector(href));
+			}
+
 			// remote tab
-			else if ($(a).attr('href') != '#') { // prevent loading the page itself if href is just "#"
-				$.data(a, 'href.tabs', a.href); // required for restore on destroy
-				$.data(a, 'load.tabs', a.href); // mutable
-				var id = self.tabId(a);
+			else if (href != '#') { // prevent loading the page itself if href is just "#"
+				$.data(a, 'href.tabs', href); // required for restore on destroy
+
+				// 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 = $(o.panelTemplate).attr('id', id).addClass(o.panelClass)
-						.insertAfter( self.$panels[i - 1] || self.element );
+					$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 + 1);
+			else {
+				o.disabled.push(i);
+			}
 		});
 
+		// initialization from scratch
 		if (init) {
 
-			// attach necessary classes for styling if not present
-			this.element.addClass(o.navClass);
-			this.$panels.each(function() {
-				var $this = $(this);
-				$this.addClass(o.panelClass);
-			});
+			// 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');
 
 			// Selected tab
 			// use "selected" option or try to retrieve:
@@ -89,464 +140,494 @@ $.widget("ui.tabs", {
 			// 3. from selected class attribute on <li>
 			if (o.selected === undefined) {
 				if (location.hash) {
-					this.$tabs.each(function(i, a) {
+					this.anchors.each(function(i, a) {
 						if (a.hash == location.hash) {
 							o.selected = i;
-							// prevent page scroll to fragment
-							if ($.browser.msie || $.browser.opera) { // && !o.remote
-								var $toShow = $(location.hash), toShowId = $toShow.attr('id');
-								$toShow.attr('id', '');
-								setTimeout(function() {
-									$toShow.attr('id', toShowId); // restore id
-								}, 500);
-							}
-							scrollTo(0, 0);
 							return false; // break
 						}
 					});
 				}
-				else if (o.cookie) {
-					var index = parseInt($.cookie('ui-tabs' + $.data(self.element)),10);
-					if (index && self.$tabs[index])
-						o.selected = index;
+				if (typeof o.selected != 'number' && o.cookie) {
+					o.selected = parseInt(self._cookie(), 10);
 				}
-				else if (self.$lis.filter('.' + o.selectedClass).length)
-					o.selected = self.$lis.index( self.$lis.filter('.' + o.selectedClass)[0] );
+				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 || 0;
+			}
+			else if (o.selected === null) { // usage of null is deprecated, TODO remove in next release
+				o.selected = -1;
 			}
-			o.selected = o.selected === null || o.selected !== undefined ? o.selected : 0; // first tab selected by default
+
+			// sanity check - default to first tab...
+			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('.' + o.disabledClass),
-					function(n, i) { return self.$lis.index(n); } )
+				$.map(this.lis.filter('.ui-state-disabled'),
+					function(n, i) { return self.lis.index(n); } )
 			)).sort();
-			if ($.inArray(o.selected, o.disabled) != -1)
+
+			if ($.inArray(o.selected, o.disabled) != -1) {
 				o.disabled.splice($.inArray(o.selected, o.disabled), 1);
-			
+			}
+
 			// highlight selected tab
-			this.$panels.addClass(o.hideClass);
-			this.$lis.removeClass(o.selectedClass);
-			if (o.selected !== null) {
-				this.$panels.eq(o.selected).show().removeClass(o.hideClass); // use show and remove class to show in any case no matter how it has been hidden before
-				this.$lis.eq(o.selected).addClass(o.selectedClass);
-				
+			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');
+
 				// seems to be expected behavior that the show callback is fired
-				var onShow = function() {
-					$(self.element).triggerHandler('tabsshow',
-						[self.fakeEvent('tabsshow'), self.ui(self.$tabs[o.selected], self.$panels[o.selected])], o.show);
-				}; 
-
-				// load if remote tab
-				if ($.data(this.$tabs[o.selected], 'load.tabs'))
-					this.load(o.selected, onShow);
-				// just trigger show event
-				else
-					onShow();
+				self.element.queue("tabs", function() {
+					self._trigger('show', null, self._ui(self.anchors[o.selected], self.panels[o.selected]));
+				});
 				
+				this.load(o.selected);
 			}
-			
+
 			// clean up to avoid memory leaks in certain versions of IE 6
 			$(window).bind('unload', function() {
-				self.$tabs.unbind('.tabs');
-				self.$lis = self.$tabs = self.$panels = null;
+				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'));
+		}
+
+		// update collapsible
+		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);
+		}
 
 		// disable tabs
-		for (var i = 0, li; li = this.$lis[i]; i++)
-			$(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass(o.selectedClass) ? 'addClass' : 'removeClass'](o.disabledClass);
+		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');
+		}
 
 		// reset cache if switching from cached to not cached
-		if (o.cache === false)
-			this.$tabs.removeData('cache.tabs');
-		
-		// set up animations
-		var hideFx, showFx, baseFx = { 'min-width': 0, duration: 1 }, baseDuration = 'normal';
-		if (o.fx && o.fx.constructor == Array)
-			hideFx = o.fx[0] || baseFx, showFx = o.fx[1] || baseFx;
-		else
-			hideFx = showFx = o.fx || baseFx;
-
-		// reset some styles to maintain print style sheets etc.
-		var resetCSS = { display: '', overflow: '', height: '' };
-		if (!$.browser.msie) // not in IE to prevent ClearType font issue
-			resetCSS.opacity = '';
-
-		// Hide a tab, animation prevents browser scrolling to fragment,
-		// $show is optional.
-		function hideTab(clicked, $hide, $show) {
-			$hide.animate(hideFx, hideFx.duration || baseDuration, function() { //
-				$hide.addClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
-				if ($.browser.msie && hideFx.opacity)
-					$hide[0].style.filter = '';
-				if ($show)
-					showTab(clicked, $show, $hide);
-			});
+		if (o.cache === false) {
+			this.anchors.removeData('cache.tabs');
 		}
 
-		// Show a tab, animation prevents browser scrolling to fragment,
-		// $hide is optional.
-		function showTab(clicked, $show, $hide) {
-			if (showFx === baseFx)
-				$show.css('display', 'block'); // prevent occasionally occuring flicker in Firefox cause by gap between showing and hiding the tab panels
-			$show.animate(showFx, showFx.duration || baseDuration, function() {
-				$show.removeClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
-				if ($.browser.msie && showFx.opacity)
-					$show[0].style.filter = '';
-
-				// callback
-				$(self.element).triggerHandler('tabsshow',
-					[self.fakeEvent('tabsshow'), self.ui(clicked, $show[0])], o.show);
+		// remove all handlers before, tabify may run on existing tabs after add or option change
+		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);
+				}
+			};
+			var removeState = function(state, el) {
+				el.removeClass('ui-state-' + state);
+			};
+			this.lis.bind('mouseover.tabs', function() {
+				addState('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('blur.tabs', function() {
+				removeState('focus', $(this).closest('li'));
 			});
 		}
 
-		// switch a tab
-		function switchTab(clicked, $li, $hide, $show) {
-			/*if (o.bookmarkable && trueClick) { // add to history only if true click occured, not a triggered click
-				$.ajaxHistory.update(clicked.hash);
-			}*/
-			$li.addClass(o.selectedClass)
-				.siblings().removeClass(o.selectedClass);
-			hideTab(clicked, $hide, $show);
+		// set up animations
+		var hideFx, showFx;
+		if (o.fx) {
+			if ($.isArray(o.fx)) {
+				hideFx = o.fx[0];
+				showFx = o.fx[1];
+			}
+			else {
+				hideFx = showFx = o.fx;
+			}
 		}
 
-		// attach tab event handler, unbind to avoid duplicates from former tabifying...
-		this.$tabs.unbind('.tabs').bind(o.event, function() {
+		// Reset certain styles left over from animation
+		// and prevent IE's ClearType bug...
+		function resetStyle($el, fx) {
+			$el.css({ display: '' });
+			if ($.browser.msie && fx.opacity) {
+				$el[0].style.removeAttribute('filter');
+			}
+		}
 
-			//var trueClick = e.clientX; // add to history only if true click occured, not a triggered click
-			var $li = $(this).parents('li:eq(0)'),
-				$hide = self.$panels.filter(':visible'),
-				$show = $(this.hash);
+		// Show a tab...
+		var showTab = showFx ?
+			function(clicked, $show) {
+				$(clicked).closest('li').removeClass('ui-state-default').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').removeClass('ui-state-default').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').addClass('ui-state-default');
+					$hide.addClass('ui-tabs-hide');
+					resetStyle($hide, hideFx);
+					self.element.dequeue("tabs");
+				});
+			} :
+			function(clicked, $hide, $show) {
+				self.lis.removeClass('ui-tabs-selected ui-state-active').addClass('ui-state-default');
+				$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));
 
-			// If tab is already selected and not unselectable or tab disabled or 
+			// 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(o.selectedClass) && !o.unselect)
-				|| $li.hasClass(o.disabledClass) 
-				|| $(this).hasClass(o.loadingClass)
-				|| $(self.element).triggerHandler('tabsselect', [self.fakeEvent('tabsselect'), self.ui(this, $show[0])], o.select) === false
-				) {
+			if (($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) {
 				this.blur();
 				return false;
 			}
 
-			self.options.selected = self.$tabs.index(this);
+			o.selected = self.anchors.index(this);
+
+			self.abort();
 
 			// if tab may be closed
-			if (o.unselect) {
-				if ($li.hasClass(o.selectedClass)) {
-					self.options.selected = null;
-					$li.removeClass(o.selectedClass);
-					self.$panels.stop();
-					hideTab(this, $hide);
+			if (o.collapsible) {
+				if ($li.hasClass('ui-tabs-selected')) {
+					o.selected = -1;
+
+					if (o.cookie) {
+						self._cookie(o.selected, o.cookie);
+					}
+
+					self.element.queue("tabs", function() {
+						hideTab(el, $hide);
+					}).dequeue("tabs");
+					
 					this.blur();
 					return false;
-				} else if (!$hide.length) {
-					self.$panels.stop();
-					var a = this;
-					self.load(self.$tabs.index(this), function() {
-						$li.addClass(o.selectedClass).addClass(o.unselectClass);
-						showTab(a, $show);
+				}
+				else if (!$hide.length) {
+					if (o.cookie) {
+						self._cookie(o.selected, o.cookie);
+					}
+					
+					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
+					
 					this.blur();
 					return false;
 				}
 			}
 
-			if (o.cookie)
-				$.cookie('ui-tabs' + $.data(self.element), self.options.selected, o.cookie);
-
-			// stop possibly running animations
-			self.$panels.stop();
+			if (o.cookie) {
+				self._cookie(o.selected, o.cookie);
+			}
 
 			// show new tab
 			if ($show.length) {
-
-				// prevent scrollbar scrolling to 0 and than back in IE7, happens only if bookmarking/history is enabled
-				/*if ($.browser.msie && o.bookmarkable) {
-					var showId = this.hash.replace('#', '');
-					$show.attr('id', '');
-					setTimeout(function() {
-						$show.attr('id', showId); // restore id
-					}, 0);
-				}*/
-
-				var a = this;
-				self.load(self.$tabs.index(this), $hide.length ? 
-					function() {
-						switchTab(a, $li, $hide, $show);
-					} :
-					function() {
-						$li.addClass(o.selectedClass);
-						showTab(a, $show);
-					}
-				);
-
-				// Set scrollbar to saved position - need to use timeout with 0 to prevent browser scroll to target of hash
-				/*var scrollX = window.pageXOffset || document.documentElement && document.documentElement.scrollLeft || document.body.scrollLeft || 0;
-				var scrollY = window.pageYOffset || document.documentElement && document.documentElement.scrollTop || document.body.scrollTop || 0;
-				setTimeout(function() {
-					scrollTo(scrollX, scrollY);
-				}, 0);*/
-
-			} else
+				if ($hide.length) {
+					self.element.queue("tabs", function() {
+						hideTab(el, $hide);
+					});
+				}
+				self.element.queue("tabs", function() {
+					showTab(el, $show);
+				});
+				
+				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 in modern
-			// browsers via CSS, also blur removes focus from address bar in Firefox
-			// which can become a usability and annoying problem with tabsRotate.
-			if ($.browser.msie)
+			// and remove dotted border from clicked link. This is controlled via CSS
+			// in modern browsers; blur() removes focus from address bar in Firefox
+			// which can become a usability and annoying problem with tabs('rotate').
+			if ($.browser.msie) {
 				this.blur();
+			}
+
+		});
+
+		// disable click in any case
+		this.anchors.bind('click.tabs', function(){return false;});
+
+	},
 
-			//return o.bookmarkable && !!trueClick; // convert trueClick == undefined to Boolean required in IE
-			return false;
+	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.anchors.each(function() {
+			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');
+			});
 		});
 
-		// disable click if event is configured to something else
-		if (!(/^click/).test(o.event))
-			this.$tabs.bind('click.tabs', function() { return false; });
+		this.lis.unbind('.tabs').add(this.panels).each(function() {
+			if ($.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);
+		}
 	},
+
 	add: function(url, label, index) {
-		if (index == undefined) 
-			index = this.$tabs.length; // append by default
+		if (index === undefined) {
+			index = this.anchors.length; // append by default
+		}
 
-		var o = this.options;
-		var $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label));
-		$li.data('destroy.tabs', true);
+		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 id = url.indexOf('#') == 0 ? url.replace('#', '') : this.tabId( $('a:first-child', $li)[0] );
+		$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)
-				.addClass(o.hideClass)
-				.data('destroy.tabs', true);
+			$panel = $(o.panelTemplate).attr('id', id).data('destroy.tabs', true);
 		}
-		$panel.addClass(o.panelClass);
-		if (index >= this.$lis.length) {
-			$li.appendTo(this.element);
-			$panel.appendTo(this.element[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 = $.map(o.disabled,
-			function(n, i) { return n >= index ? ++n : n });
-			
-		this.tabify();
-
-		if (this.$tabs.length == 1) {
-			$li.addClass(o.selectedClass);
-			$panel.removeClass(o.hideClass);
-			var href = $.data(this.$tabs[0], 'load.tabs');
-			if (href)
-				this.load(index, href);
+			function(n, i) { return n >= index ? ++n : n; });
+
+		this._tabify();
+
+		if (this.anchors.length == 1) { // after tabify
+			$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);
 		}
 
 		// callback
-		this.element.triggerHandler('tabsadd',
-			[this.fakeEvent('tabsadd'), this.ui(this.$tabs[index], this.$panels[index])], o.add
-		);
+		this._trigger('add', null, this._ui(this.anchors[index], this.panels[index]));
 	},
+
 	remove: function(index) {
-		var o = this.options, $li = this.$lis.eq(index).remove(),
-			$panel = this.$panels.eq(index).remove();
+		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 ($li.hasClass(o.selectedClass) && this.$tabs.length > 1)
-			this.select(index + (index + 1 < this.$tabs.length ? 1 : -1));
+		if ($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 });
+			function(n, i) { return n >= index ? --n : n; });
 
-		this.tabify();
+		this._tabify();
 
 		// callback
-		this.element.triggerHandler('tabsremove',
-			[this.fakeEvent('tabsremove'), this.ui($li.find('a')[0], $panel[0])], o.remove
-		);
+		this._trigger('remove', null, this._ui($li.find('a')[0], $panel[0]));
 	},
+
 	enable: function(index) {
 		var o = this.options;
-		if ($.inArray(index, o.disabled) == -1)
+		if ($.inArray(index, o.disabled) == -1) {
 			return;
-			
-		var $li = this.$lis.eq(index).removeClass(o.disabledClass);
-		if ($.browser.safari) { // fix disappearing tab (that used opacity indicating disabling) after enabling in Safari 2...
-			$li.css('display', 'inline-block');
-			setTimeout(function() {
-				$li.css('display', 'block');
-			}, 0);
 		}
 
+		this.lis.eq(index).removeClass('ui-state-disabled');
 		o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
 
 		// callback
-		this.element.triggerHandler('tabsenable',
-			[this.fakeEvent('tabsenable'), this.ui(this.$tabs[index], this.$panels[index])], o.enable
-		);
-
+		this._trigger('enable', null, this._ui(this.anchors[index], this.panels[index]));
 	},
+
 	disable: function(index) {
 		var self = this, o = this.options;
 		if (index != o.selected) { // cannot disable already selected tab
-			this.$lis.eq(index).addClass(o.disabledClass);
+			this.lis.eq(index).addClass('ui-state-disabled');
 
 			o.disabled.push(index);
 			o.disabled.sort();
 
 			// callback
-			this.element.triggerHandler('tabsdisable',
-				[this.fakeEvent('tabsdisable'), this.ui(this.$tabs[index], this.$panels[index])], o.disable
-			);
+			this._trigger('disable', null, this._ui(this.anchors[index], this.panels[index]));
 		}
 	},
+
 	select: function(index) {
-		if (typeof index == 'string')
-			index = this.$tabs.index( this.$tabs.filter('[href$=' + index + ']')[0] );
-		this.$tabs.eq(index).trigger(this.options.event);
+		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;
+		}
+
+		this.anchors.eq(index).trigger(this.options.event + '.tabs');
 	},
-	load: function(index, callback) { // callback is for internal usage only
-		
-		var self = this, o = this.options, $a = this.$tabs.eq(index), a = $a[0],
-				bypassCache = callback == undefined || callback === false, url = $a.data('load.tabs');
 
-		callback = callback || function() {};
-		
-		// no remote or from cache - just finish with callback
-		if (!url || !bypassCache && $.data(a, 'cache.tabs')) {
-			callback();
+	load: function(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");
 			return;
 		}
 
 		// load remote from here on
-		
-		var inner = function(parent) {
-			var $parent = $(parent), $inner = $parent.find('*:last');
-			return $inner.length && $inner.is(':not(img)') && $inner || $parent;
-		};
-		var cleanup = function() {
-			self.$tabs.filter('.' + o.loadingClass).removeClass(o.loadingClass)
-						.each(function() {
-							if (o.spinner)
-								inner(this).parent().html(inner(this).data('label.tabs'));
-						});
-			self.xhr = null;
-		};
-		
+		this.lis.eq(index).addClass('ui-state-processing');
+
 		if (o.spinner) {
-			var label = inner(a).html();
-			inner(a).wrapInner('<em></em>')
-				.find('em').data('label.tabs', label).html(o.spinner);
+			var span = $('span', a);
+			span.data('label.tabs', span.html()).html(o.spinner);
 		}
 
-		var ajaxOptions = $.extend({}, o.ajaxOptions, {
+		this.xhr = $.ajax($.extend({}, o.ajaxOptions, {
 			url: url,
 			success: function(r, s) {
-				$(a.hash).html(r);
-				cleanup();
-				
-				if (o.cache)
+				$(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
+				}
 
 				// callbacks
-				$(self.element).triggerHandler('tabsload',
-					[self.fakeEvent('tabsload'), self.ui(self.$tabs[index], self.$panels[index])], o.load
-				);
-				o.ajaxOptions.success && o.ajaxOptions.success(r, s);
-				
-				// This callback is required because the switch has to take
-				// place after loading has completed. Call last in order to 
-				// fire load before show callback...
-				callback();
+				self._trigger('load', null, self._ui(self.anchors[index], self.panels[index]));
+				try {
+					o.ajaxOptions.success(r, s);
+				}
+				catch (e) {}
+
+				// last, so that load event is fired before show...
+				self.element.dequeue("tabs");
 			}
-		});
+		}));
+	},
+
+	abort: function() {
+		// stop possibly running animations
+		this.element.queue([]);
+		this.panels.stop(false, true);
+
+		// terminate pending requests from other tabs
 		if (this.xhr) {
-			// terminate pending requests from other tabs and restore tab label
 			this.xhr.abort();
-			cleanup();
+			delete this.xhr;
 		}
-		$a.addClass(o.loadingClass);
-		setTimeout(function() { // timeout is again required in IE, "wait" for id being restored
-			self.xhr = $.ajax(ajaxOptions);
-		}, 0);
+
+		// take care of tab labels
+		this._cleanup();
 
 	},
+
 	url: function(index, url) {
-		this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
+		this.anchors.eq(index).removeData('cache.tabs').data('load.tabs', url);
 	},
-	destroy: function() {
-		var o = this.options;
-		this.element.unbind('.tabs')
-			.removeClass(o.navClass).removeData('tabs');
-		this.$tabs.each(function() {
-			var href = $.data(this, 'href.tabs');
-			if (href)
-				this.href = href;
-			var $this = $(this).unbind('.tabs');
-			$.each(['href', 'load', 'cache'], function(i, prefix) {
-				$this.removeData(prefix + '.tabs');
-			});
-		});
-		this.$lis.add(this.$panels).each(function() {
-			if ($.data(this, 'destroy.tabs'))
-				$(this).remove();
-			else
-				$(this).removeClass([o.selectedClass, o.unselectClass,
-					o.disabledClass, o.panelClass, o.hideClass].join(' '));
-		});
-	},
-	fakeEvent: function(type) {
-		return $.event.fix({
-			type: type,
-			target: this.element[0]
-		});
+
+	length: function() {
+		return this.anchors.length;
 	}
+
 });
 
-$.ui.tabs.defaults = {
-	// basic setup
-	unselect: false,
-	event: 'click',
-	disabled: [],
-	cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
-	// TODO history: false,
-
-	// Ajax
-	spinner: 'Loading&#8230;',
-	cache: false,
-	idPrefix: 'ui-tabs-',
-	ajaxOptions: {},
-
-	// animations
-	fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
-
-	// templates
-	tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>',
-	panelTemplate: '<div></div>',
-
-	// CSS classes
-	navClass: 'ui-tabs-nav',
-	selectedClass: 'ui-tabs-selected',
-	unselectClass: 'ui-tabs-unselect',
-	disabledClass: 'ui-tabs-disabled',
-	panelClass: 'ui-tabs-panel',
-	hideClass: 'ui-tabs-hide',
-	loadingClass: 'ui-tabs-loading'
-};
-
-$.ui.tabs.getter = "length";
+$.extend($.ui.tabs, {
+	version: '1.7.2',
+	getter: 'length',
+	defaults: {
+		ajaxOptions: null,
+		cache: false,
+		cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
+		collapsible: false,
+		disabled: [],
+		event: 'click',
+		fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
+		idPrefix: 'ui-tabs-',
+		panelTemplate: '<div></div>',
+		spinner: '<em>Loading&#8230;</em>',
+		tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
+	}
+});
 
 /*
  * Tabs Extensions
@@ -558,40 +639,45 @@ $.ui.tabs.getter = "length";
 $.extend($.ui.tabs.prototype, {
 	rotation: null,
 	rotate: function(ms, continuing) {
+
+		var self = this, o = this.options;
 		
-		continuing = continuing || false;
-		
-		var self = this, t = this.options.selected;
-		
-		function start() {
-			self.rotation = setInterval(function() {
-				t = ++t < self.$tabs.length ? t : 0;
-				self.select(t);
-			}, ms); 
-		}
-		
-		function stop(e) {
-			if (!e || e.clientX) { // only in case of a true click
-				clearInterval(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);
+			
+			if (e) {
+				e.stopPropagation();
 			}
-		}
+		});
 		
-		// start interval
+		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;
+				rotate();
+			});
+
+		// start rotation
 		if (ms) {
-			start();
-			if (!continuing)
-				this.$tabs.bind(this.options.event, stop);
-			else
-				this.$tabs.bind(this.options.event, function() {
-					stop();
-					t = self.options.selected;
-					start();
-				});
+			this.element.bind('tabsshow', rotate);
+			this.anchors.bind(o.event + '.tabs', stop);
+			rotate();
 		}
-		// stop interval
+		// stop rotation
 		else {
-			stop();
-			this.$tabs.unbind(this.options.event, stop);
+			clearTimeout(self.rotation);
+			this.element.unbind('tabsshow', rotate);
+			this.anchors.unbind(o.event + '.tabs', stop);
+			delete this._rotate;
+			delete this._unrotate;
 		}
 	}
 });
-- 
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