595 lines
18 KiB
JavaScript
595 lines
18 KiB
JavaScript
/*
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* jQuery UI Tabs
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*
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* Copyright (c) 2007, 2008 Klaus Hartl (stilbuero.de)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI/Tabs
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*
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* Depends:
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* ui.core.js
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*
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* Revision: $Id: ui.tabs.js 5547 2008-05-10 08:33:38Z klaus.hartl $
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*/
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;(function($) {
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$.widget("ui.tabs", {
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init: function() {
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this.options.event += '.tabs'; // namespace event
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// create tabs
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this.tabify(true);
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},
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setData: function(key, value) {
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if ((/^selected/).test(key))
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this.select(value);
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else {
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this.options[key] = value;
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this.tabify();
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}
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},
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length: function() {
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return this.$tabs.length;
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},
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tabId: function(a) {
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return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '')
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|| this.options.idPrefix + $.data(a);
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},
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ui: function(tab, panel) {
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return {
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instance: this,
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options: this.options,
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tab: tab,
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panel: panel
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};
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},
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tabify: function(init) {
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this.$lis = $('li:has(a[href])', this.element);
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this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });
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this.$panels = $([]);
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var self = this, o = this.options;
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this.$tabs.each(function(i, a) {
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// inline tab
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if (a.hash && a.hash.replace('#', '')) // Safari 2 reports '#' for an empty hash
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self.$panels = self.$panels.add(a.hash);
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// remote tab
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else if ($(a).attr('href') != '#') { // prevent loading the page itself if href is just "#"
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$.data(a, 'href.tabs', a.href); // required for restore on destroy
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$.data(a, 'load.tabs', a.href); // mutable
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var id = self.tabId(a);
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a.href = '#' + id;
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var $panel = $('#' + id);
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if (!$panel.length) {
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$panel = $(o.panelTemplate).attr('id', id).addClass(o.panelClass)
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.insertAfter( self.$panels[i - 1] || self.element );
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$panel.data('destroy.tabs', true);
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}
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self.$panels = self.$panels.add( $panel );
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}
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// invalid tab href
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else
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o.disabled.push(i + 1);
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});
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if (init) {
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// attach necessary classes for styling if not present
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this.element.hasClass(o.navClass) || this.element.addClass(o.navClass);
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this.$panels.each(function() {
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var $this = $(this);
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$this.hasClass(o.panelClass) || $this.addClass(o.panelClass);
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});
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// Selected tab
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// use "selected" option or try to retrieve:
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// 1. from fragment identifier in url
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// 2. from cookie
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// 3. from selected class attribute on <li>
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if (o.selected === undefined) {
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if (location.hash) {
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this.$tabs.each(function(i, a) {
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if (a.hash == location.hash) {
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o.selected = i;
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// prevent page scroll to fragment
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if ($.browser.msie || $.browser.opera) { // && !o.remote
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var $toShow = $(location.hash), toShowId = $toShow.attr('id');
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$toShow.attr('id', '');
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setTimeout(function() {
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$toShow.attr('id', toShowId); // restore id
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}, 500);
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}
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scrollTo(0, 0);
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return false; // break
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}
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});
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}
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else if (o.cookie) {
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var index = parseInt($.cookie('ui-tabs' + $.data(self.element)),10);
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if (index && self.$tabs[index])
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o.selected = index;
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}
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else if (self.$lis.filter('.' + o.selectedClass).length)
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o.selected = self.$lis.index( self.$lis.filter('.' + o.selectedClass)[0] );
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}
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o.selected = o.selected === null || o.selected !== undefined ? o.selected : 0; // first tab selected by default
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// Take disabling tabs via class attribute from HTML
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// into account and update option properly.
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// A selected tab cannot become disabled.
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o.disabled = $.unique(o.disabled.concat(
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$.map(this.$lis.filter('.' + o.disabledClass),
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function(n, i) { return self.$lis.index(n); } )
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)).sort();
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if ($.inArray(o.selected, o.disabled) != -1)
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o.disabled.splice($.inArray(o.selected, o.disabled), 1);
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// highlight selected tab
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this.$panels.addClass(o.hideClass);
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this.$lis.removeClass(o.selectedClass);
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if (o.selected !== null) {
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this.$panels.eq(o.selected).show().removeClass(o.hideClass); // use show and remove class to show in any case no matter how it has been hidden before
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this.$lis.eq(o.selected).addClass(o.selectedClass);
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// seems to be expected behavior that the show callback is fired
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var onShow = function() {
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$(self.element).triggerHandler('tabsshow',
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[self.ui(self.$tabs[o.selected], self.$panels[o.selected])], o.show);
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};
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// load if remote tab
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if ($.data(this.$tabs[o.selected], 'load.tabs'))
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this.load(o.selected, onShow);
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// just trigger show event
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else
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onShow();
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}
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// clean up to avoid memory leaks in certain versions of IE 6
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$(window).bind('unload', function() {
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self.$tabs.unbind('.tabs');
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self.$lis = self.$tabs = self.$panels = null;
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});
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}
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// disable tabs
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for (var i = 0, li; li = this.$lis[i]; i++)
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$(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass(o.selectedClass) ? 'addClass' : 'removeClass'](o.disabledClass);
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// reset cache if switching from cached to not cached
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if (o.cache === false)
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this.$tabs.removeData('cache.tabs');
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// set up animations
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var hideFx, showFx, baseFx = { 'min-width': 0, duration: 1 }, baseDuration = 'normal';
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if (o.fx && o.fx.constructor == Array)
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hideFx = o.fx[0] || baseFx, showFx = o.fx[1] || baseFx;
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else
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hideFx = showFx = o.fx || baseFx;
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// reset some styles to maintain print style sheets etc.
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var resetCSS = { display: '', overflow: '', height: '' };
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if (!$.browser.msie) // not in IE to prevent ClearType font issue
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resetCSS.opacity = '';
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// Hide a tab, animation prevents browser scrolling to fragment,
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// $show is optional.
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function hideTab(clicked, $hide, $show) {
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$hide.animate(hideFx, hideFx.duration || baseDuration, function() { //
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$hide.addClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
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if ($.browser.msie && hideFx.opacity)
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$hide[0].style.filter = '';
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if ($show)
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showTab(clicked, $show, $hide);
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});
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}
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// Show a tab, animation prevents browser scrolling to fragment,
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// $hide is optional.
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function showTab(clicked, $show, $hide) {
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if (showFx === baseFx)
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$show.css('display', 'block'); // prevent occasionally occuring flicker in Firefox cause by gap between showing and hiding the tab panels
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$show.animate(showFx, showFx.duration || baseDuration, function() {
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$show.removeClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
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if ($.browser.msie && showFx.opacity)
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$show[0].style.filter = '';
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// callback
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$(self.element).triggerHandler('tabsshow',
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[self.ui(clicked, $show[0])], o.show);
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});
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}
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// switch a tab
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function switchTab(clicked, $li, $hide, $show) {
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/*if (o.bookmarkable && trueClick) { // add to history only if true click occured, not a triggered click
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$.ajaxHistory.update(clicked.hash);
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}*/
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$li.addClass(o.selectedClass)
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.siblings().removeClass(o.selectedClass);
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hideTab(clicked, $hide, $show);
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}
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// attach tab event handler, unbind to avoid duplicates from former tabifying...
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this.$tabs.unbind('.tabs').bind(o.event, function() {
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//var trueClick = e.clientX; // add to history only if true click occured, not a triggered click
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var $li = $(this).parents('li:eq(0)'),
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$hide = self.$panels.filter(':visible'),
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$show = $(this.hash);
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// If tab is already selected and not unselectable or tab disabled or
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// or is already loading or click callback returns false stop here.
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// Check if click handler returns false last so that it is not executed
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// for a disabled or loading tab!
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if (($li.hasClass(o.selectedClass) && !o.unselect)
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|| $li.hasClass(o.disabledClass)
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|| $(this).hasClass(o.loadingClass)
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|| $(self.element).triggerHandler('tabsselect', [self.ui(this, $show[0])], o.select) === false
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) {
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this.blur();
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return false;
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}
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self.options.selected = self.$tabs.index(this);
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// if tab may be closed
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if (o.unselect) {
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if ($li.hasClass(o.selectedClass)) {
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self.options.selected = null;
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$li.removeClass(o.selectedClass);
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self.$panels.stop();
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hideTab(this, $hide);
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this.blur();
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return false;
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} else if (!$hide.length) {
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self.$panels.stop();
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var a = this;
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self.load(self.$tabs.index(this), function() {
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$li.addClass(o.selectedClass).addClass(o.unselectClass);
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showTab(a, $show);
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});
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this.blur();
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return false;
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}
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}
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if (o.cookie)
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$.cookie('ui-tabs' + $.data(self.element), self.options.selected, o.cookie);
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// stop possibly running animations
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self.$panels.stop();
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// show new tab
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if ($show.length) {
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// prevent scrollbar scrolling to 0 and than back in IE7, happens only if bookmarking/history is enabled
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/*if ($.browser.msie && o.bookmarkable) {
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var showId = this.hash.replace('#', '');
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$show.attr('id', '');
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setTimeout(function() {
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$show.attr('id', showId); // restore id
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}, 0);
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}*/
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var a = this;
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self.load(self.$tabs.index(this), $hide.length ?
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function() {
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switchTab(a, $li, $hide, $show);
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} :
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function() {
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$li.addClass(o.selectedClass);
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showTab(a, $show);
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}
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);
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// Set scrollbar to saved position - need to use timeout with 0 to prevent browser scroll to target of hash
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/*var scrollX = window.pageXOffset || document.documentElement && document.documentElement.scrollLeft || document.body.scrollLeft || 0;
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var scrollY = window.pageYOffset || document.documentElement && document.documentElement.scrollTop || document.body.scrollTop || 0;
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setTimeout(function() {
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scrollTo(scrollX, scrollY);
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}, 0);*/
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} else
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throw 'jQuery UI Tabs: Mismatching fragment identifier.';
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// Prevent IE from keeping other link focussed when using the back button
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// and remove dotted border from clicked link. This is controlled in modern
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// browsers via CSS, also blur removes focus from address bar in Firefox
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// which can become a usability and annoying problem with tabsRotate.
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if ($.browser.msie)
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this.blur();
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//return o.bookmarkable && !!trueClick; // convert trueClick == undefined to Boolean required in IE
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return false;
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});
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// disable click if event is configured to something else
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if (!(/^click/).test(o.event))
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this.$tabs.bind('click.tabs', function() { return false; });
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},
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add: function(url, label, index) {
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if (index == undefined)
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index = this.$tabs.length; // append by default
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var o = this.options;
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var $li = $(o.tabTemplate.replace(/#\{href\}/, url).replace(/#\{label\}/, label));
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$li.data('destroy.tabs', true);
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var id = url.indexOf('#') == 0 ? url.replace('#', '') : this.tabId( $('a:first-child', $li)[0] );
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// try to find an existing element before creating a new one
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var $panel = $('#' + id);
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if (!$panel.length) {
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$panel = $(o.panelTemplate).attr('id', id)
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.addClass(o.panelClass).addClass(o.hideClass);
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$panel.data('destroy.tabs', true);
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}
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if (index >= this.$lis.length) {
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$li.appendTo(this.element);
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$panel.appendTo(this.element[0].parentNode);
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} else {
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$li.insertBefore(this.$lis[index]);
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$panel.insertBefore(this.$panels[index]);
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}
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o.disabled = $.map(o.disabled,
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function(n, i) { return n >= index ? ++n : n });
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this.tabify();
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if (this.$tabs.length == 1) {
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$li.addClass(o.selectedClass);
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$panel.removeClass(o.hideClass);
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var href = $.data(this.$tabs[0], 'load.tabs');
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if (href)
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this.load(index, href);
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}
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// callback
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this.element.triggerHandler('tabsadd',
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[this.ui(this.$tabs[index], this.$panels[index])], o.add
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);
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},
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remove: function(index) {
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var o = this.options, $li = this.$lis.eq(index).remove(),
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$panel = this.$panels.eq(index).remove();
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// If selected tab was removed focus tab to the right or
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// in case the last tab was removed the tab to the left.
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if ($li.hasClass(o.selectedClass) && this.$tabs.length > 1)
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this.select(index + (index + 1 < this.$tabs.length ? 1 : -1));
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o.disabled = $.map($.grep(o.disabled, function(n, i) { return n != index; }),
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function(n, i) { return n >= index ? --n : n });
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this.tabify();
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// callback
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this.element.triggerHandler('tabsremove',
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[this.ui($li.find('a')[0], $panel[0])], o.remove
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);
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},
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enable: function(index) {
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var o = this.options;
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if ($.inArray(index, o.disabled) == -1)
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return;
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var $li = this.$lis.eq(index).removeClass(o.disabledClass);
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if ($.browser.safari) { // fix disappearing tab (that used opacity indicating disabling) after enabling in Safari 2...
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$li.css('display', 'inline-block');
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setTimeout(function() {
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$li.css('display', 'block');
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}, 0);
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}
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o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
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// callback
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this.element.triggerHandler('tabsenable',
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[this.ui(this.$tabs[index], this.$panels[index])], o.enable
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);
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},
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disable: function(index) {
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var self = this, o = this.options;
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if (index != o.selected) { // cannot disable already selected tab
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this.$lis.eq(index).addClass(o.disabledClass);
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o.disabled.push(index);
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o.disabled.sort();
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// callback
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this.element.triggerHandler('tabsdisable',
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[this.ui(this.$tabs[index], this.$panels[index])], o.disable
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);
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}
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},
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select: function(index) {
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if (typeof index == 'string')
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index = this.$tabs.index( this.$tabs.filter('[href$=' + index + ']')[0] );
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this.$tabs.eq(index).trigger(this.options.event);
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},
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load: function(index, callback) { // callback is for internal usage only
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var self = this, o = this.options, $a = this.$tabs.eq(index), a = $a[0],
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bypassCache = callback == undefined || callback === false, url = $a.data('load.tabs');
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callback = callback || function() {};
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// no remote or from cache - just finish with callback
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if (!url || !bypassCache && $.data(a, 'cache.tabs')) {
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callback();
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return;
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}
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// load remote from here on
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var inner = function(parent) {
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var $parent = $(parent), $inner = $parent.find('*:last');
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return $inner.length && $inner || $parent;
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};
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var cleanup = function() {
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self.$tabs.filter('.' + o.loadingClass).removeClass(o.loadingClass)
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.each(function() {
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if (o.spinner)
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inner(this).parent().html(inner(this).data('label.tabs'));
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});
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self.xhr = null;
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};
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if (o.spinner) {
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var label = inner(a).html();
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inner(a).wrapInner('<em></em>')
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.find('em').data('label.tabs', label).html(o.spinner);
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}
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var ajaxOptions = $.extend({}, o.ajaxOptions, {
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url: url,
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success: function(r, s) {
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$(a.hash).html(r);
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cleanup();
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if (o.cache)
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$.data(a, 'cache.tabs', true); // if loaded once do not load them again
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// callbacks
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$(self.element).triggerHandler('tabsload',
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[self.ui(self.$tabs[index], self.$panels[index])], o.load
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);
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o.ajaxOptions.success && o.ajaxOptions.success(r, s);
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// This callback is required because the switch has to take
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// place after loading has completed. Call last in order to
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// fire load before show callback...
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callback();
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}
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});
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if (this.xhr) {
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// terminate pending requests from other tabs and restore tab label
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this.xhr.abort();
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cleanup();
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}
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$a.addClass(o.loadingClass);
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setTimeout(function() { // timeout is again required in IE, "wait" for id being restored
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self.xhr = $.ajax(ajaxOptions);
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}, 0);
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},
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url: function(index, url) {
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this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
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},
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destroy: function() {
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var o = this.options;
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this.element.unbind('.tabs')
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.removeClass(o.navClass).removeData('tabs');
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this.$tabs.each(function() {
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var href = $.data(this, 'href.tabs');
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||
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(' '));
|
||
});
|
||
}
|
||
});
|
||
|
||
$.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…',
|
||
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";
|
||
|
||
/*
|
||
* Tabs Extensions
|
||
*/
|
||
|
||
/*
|
||
* Rotate
|
||
*/
|
||
$.extend($.ui.tabs.prototype, {
|
||
rotation: null,
|
||
rotate: function(ms, continuing) {
|
||
|
||
continuing = continuing || false;
|
||
|
||
var self = this, t = this.options.selected;
|
||
|
||
function start() {
|
||
self.rotation = setInterval(function() {
|
||
t = ++t < self.$tabs.length ? t : 0;
|
||
self.select(t);
|
||
}, ms);
|
||
}
|
||
|
||
function stop(e) {
|
||
if (!e || e.clientX) { // only in case of a true click
|
||
clearInterval(self.rotation);
|
||
}
|
||
}
|
||
|
||
// start interval
|
||
if (ms) {
|
||
start();
|
||
if (!continuing)
|
||
this.$tabs.bind(this.options.event, stop);
|
||
else
|
||
this.$tabs.bind(this.options.event, function() {
|
||
stop();
|
||
t = self.options.selected;
|
||
start();
|
||
});
|
||
}
|
||
// stop interval
|
||
else {
|
||
stop();
|
||
this.$tabs.unbind(this.options.event, stop);
|
||
}
|
||
}
|
||
});
|
||
|
||
})(jQuery);
|