/* * jQuery UI Tabs * * Copyright (c) 2007, 2008 Klaus Hartl (stilbuero.de) * Dual licensed under the MIT (MIT-LICENSE.txt) * and GPL (GPL-LICENSE.txt) licenses. * * http://docs.jquery.com/UI/Tabs * * Depends: *	ui.core.js */(function($) {$.widget("ui.tabs", {	init: function() {		this.options.event += '.tabs'; // namespace event				// create tabs		this.tabify(true);	},	setData: function(key, value) {		if ((/^selected/).test(key))			this.select(value);		else {			this.options[key] = 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 + $.data(a);	},	ui: function(tab, panel) {		return {			options: this.options,			tab: tab,			panel: panel		};	},	tabify: function(init) {		this.$lis = $('li:has(a[href])', this.element);		this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });		this.$panels = $([]);		var self = this, o = this.options;		this.$tabs.each(function(i, a) {			// inline tab			if (a.hash && a.hash.replace('#', '')) // Safari 2 reports '#' for an empty hash				self.$panels = self.$panels.add(a.hash);			// 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);				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 );					$panel.data('destroy.tabs', true);				}				self.$panels = self.$panels.add( $panel );			}			// invalid tab href			else				o.disabled.push(i + 1);		});		if (init) {			// attach necessary classes for styling if not present			this.element.addClass(o.navClass);			this.$panels.each(function() {				var $this = $(this);				$this.addClass(o.panelClass);			});			// Selected tab			// use "selected" option or try to retrieve:			// 1. from fragment identifier in url			// 2. from cookie			// 3. from selected class attribute on <li>			if (o.selected === undefined) {				if (location.hash) {					this.$tabs.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;				}				else if (self.$lis.filter('.' + o.selectedClass).length)					o.selected = self.$lis.index( self.$lis.filter('.' + o.selectedClass)[0] );			}			o.selected = o.selected === null || o.selected !== undefined ? o.selected : 0; // first tab selected by default			// 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.$lis.index(n); } )			)).sort();			if ($.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);								// seems to be expected behavior that the show callback is fired				var onShow = function() {					$(self.element).triggerHandler('tabsshow',						[null, self.ui(self.$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();							}						// 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.$panels = null;			});		}		// disable tabs		for (var i = 0, li; li = this.$lis[i]; i++)			$(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass(o.selectedClass) ? 'addClass' : 'removeClass'](o.disabledClass);		// reset cache if switching from cached to not cached		if (o.cache === false)			this.$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);			});		}		// 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',					[null, self.ui(clicked, $show[0])], o.show);			});		}		// 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, $show);		}		// attach tab event handler, unbind to avoid duplicates from former tabifying...		this.$tabs.unbind('.tabs').bind(o.event, function() {			//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 = $(this.hash);			// If tab is already selected and not unselectable or tab disabled or 			// or is already loading or click callback returns false stop here.			// Check if click handler returns false last so that it is not executed			// for a disabled or loading tab!			if (($li.hasClass(o.selectedClass) && !o.unselect)				|| $li.hasClass(o.disabledClass) 				|| $(this).hasClass(o.loadingClass)				|| $(self.element).triggerHandler('tabsselect', [null, self.ui(this, $show[0])], o.select) === false				) {				this.blur();				return false;			}			self.options.selected = self.$tabs.index(this);			// 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, $hide);					this.blur();					return false;				} else if (!$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);					});					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();			// 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				throw 'jQuery UI Tabs: Mismatching fragment identifier.';