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/*
* jQuery UI Tabs @VERSION
*
* Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
* 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() {
if (this.options.deselectable !== undefined)
this.options.collapsible = this.options.deselectable;
this._tabify(true);
},
_setData: function(key, value) {
if (key == 'selected') {
if (this.options.collapsible
&& value == this.options.selected) return;
this.select(value);
}
else {
this.options[key] = value;
if (key == 'deselectable')
this.options.collapsible = value;
this._tabify();
}
},
_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) {
return {
tab: tab,
panel: panel,
index: this.$tabs.index(tab)
};
},
_cleanup: function() {
// restore all former loading tabs labels
this.$lis.filter('.ui-state-processing').removeClass('ui-state-processing')
.find('span:data(label.tabs)')
.each(function() {
var el = $(this);
el.html(el.data('label.tabs'));
});
},
_tabify: function(init) {
this.list = this.element.children('ul:first, ol:first').eq(0);
this.$lis = $('li:has(a[href])', this.list);
this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });
this.$panels = $([]);
var self = this, o = this.options;
var fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
this.$tabs.each(function(i, a) {
var href = $(a).attr('href');
// For dynamically created HTML that contains a hash as href IE < 8 expands
// such href to the full page url with hash and then misinterprets tab as ajax.
// Same consideration applies for an added tab with a fragment identifier
// since a[href=#fragment-identifier] does unexpectedly not match.
// Thus normalize href attribute...
if (href.split('#')[0] == location.toString().split('#')[0]) {
href = a.hash;
a.href = href;
}
// inline tab
if (fragmentId.test(href)) {
self.$panels = self.$panels.add(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
// 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);
$panel.data('destroy.tabs', true);
}
self.$panels = self.$panels.add($panel);
}
// invalid tab href
else {
o.disabled.push(i);
}
});
// initialization from scratch
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');
// 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.$tabs.each(function(i, a) {
if (a.hash == location.hash) {
o.selected = i;
return false; // break
}
});
}
else if (o.cookie)
o.selected = parseInt(self._cookie(), 10);
else if (this.$lis.filter('.ui-tabs-selected').length)
o.selected = this.$lis.index(this.$lis.filter('.ui-tabs-selected'));
else
o.selected = 0;
}
else if (o.selected === null)
o.selected = -1;
// sanity check
o.selected = ((o.selected >= 0 && this.$tabs[o.selected]) || o.selected < 0) ? o.selected : 0; // default to first tab
// 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($.inArray(o.selected, o.disabled), 1);
// highlight selected tab
this.$panels.addClass('ui-tabs-hide');
this.$lis.removeClass('ui-tabs-selected ui-state-active');
if (o.selected >= 0 && this.$tabs.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._trigger('show', null,
self._ui(self.$tabs[o.selected], self.$panels[o.selected]));
};
// 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
$(window).bind('unload', function() {
self.$lis.add(self.$tabs).unbind('.tabs');
self.$lis = self.$tabs = self.$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 && !$(li).hasClass('ui-tabs-selected') ? 'addClass' : 'removeClass']('ui-state-disabled');
// reset cache if switching from cached to not cached
if (o.cache === false) this.$tabs.removeData('cache.tabs');
// remove all handlers before, tabify may run on existing tabs after add or option change
this.$lis.add(this.$tabs).unbind('.tabs');
if (o.event != 'mouseover') {
var handleState = function(state, el) {
if (el.is(':not(.ui-state-disabled)')) el.toggleClass('ui-state-' + state);
};
this.$lis.bind('mouseover.tabs mouseout.tabs', function() {
handleState('hover', $(this));
});
this.$tabs.bind('focus.tabs blur.tabs', function() {
handleState('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 hideFx = showFx = o.fx;
}
// Reset certain styles left over from animation
// and prevent IE's ClearType bug...
function resetStyle($el, fx) {
$el.css({ display: '' });
if ($.browser.msie && fx.opacity) $el[0].style.removeAttribute('filter');
}
// Show a tab...
var showTab = showFx ?
function(clicked, $show) {
$show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
.animate(showFx, showFx.duration || 'normal', function() {
resetStyle($show, showFx);
self._trigger('show', null, self._ui(clicked, $show[0]));
});
} :
function(clicked, $show) {
$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, $show) {
$hide.animate(hideFx, hideFx.duration || 'normal', function() {
$hide.addClass('ui-tabs-hide');
resetStyle($hide, hideFx);
if ($show) showTab(clicked, $show);
});
} :
function(clicked, $hide, $show) {
$hide.addClass('ui-tabs-hide');
if ($show) showTab(clicked, $show);
};
// Switch a tab...
function switchTab(clicked, $li, $hide, $show) {
var classes = 'ui-tabs-selected ui-state-active';
$li.removeClass('ui-state-default').addClass(classes)
.siblings().removeClass(classes).addClass('ui-state-default');
hideTab(clicked, $hide, $show);
}
// attach tab event handler, unbind to avoid duplicates from former tabifying...
this.$tabs.bind(o.event + '.tabs', function() {
var $li = $(this).closest('li'), $hide = self.$panels.filter(':visible'),
$show = $(self._sanitizeSelector(this.hash));
// If tab is already selected and not collapsible or tab disabled or
// or is already loading or click callback returns false stop here.
// Check if click handler returns false last so that it is not executed
// for a disabled or loading tab!
if (($li.hasClass('ui-tabs-selected') && !o.collapsible)
|| $li.hasClass('ui-state-disabled')
|| $li.hasClass('ui-state-processing')
|| self._trigger('select', null, self._ui(this, $show[0])) === false
) {
this.blur();
return false;
}
o.selected = self.$tabs.index(this);
self.abort();
// if tab may be closed TODO avoid redundant code in this block
if (o.collapsible) {
if ($li.hasClass('ui-tabs-selected')) {
o.selected = -1;
if (o.cookie) self._cookie(o.selected, o.cookie);
$li.removeClass('ui-tabs-selected ui-state-active')
.addClass('ui-state-default');
hideTab(this, $hide);
this.blur();
return false;
} else if (!$hide.length) {
if (o.cookie) self._cookie(o.selected, o.cookie);
var a = this;
self.load(self.$tabs.index(this), function() {
$li.addClass('ui-tabs-selected ui-state-active')
.removeClass('ui-state-default');
showTab(a, $show);
});
this.blur();
return false;
}
}
if (o.cookie) self._cookie(o.selected, o.cookie);
// show new tab
if ($show.length) {
var a = this;
self.load(self.$tabs.index(this), $hide.length ?
function() {
switchTab(a, $li, $hide, $show);
} :
function() {
$li.addClass('ui-tabs-selected ui-state-active').removeClass('ui-state-default');
showTab(a, $show);
}
);
}
else {
throw 'jQuery UI Tabs: Mismatching fragment identifier.';
}
// Prevent IE from keeping other link focussed when using the back button
// and remove dotted border from clicked link. This is controlled via CSS
// in modern browsers; blur() removes focus from address bar in Firefox
// which can become a usability and annoying problem with tabs('rotate').
if ($.browser.msie) this.blur();
});
// disable click in any case
this.$tabs.bind('click.tabs', function(){return false;});
},
destroy: function() {
var o = this.options;
this.element.unbind('.tabs')
.removeClass('ui-tabs ui-widget ui-widget-content ui-corner-all')
.removeData('tabs');
this.list.removeClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all');
this.$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.unbind('.tabs').add(this.$panels).each(function() {
if ($.data(this, 'destroy.tabs'))
$(this).remove();
else
$(this).removeClass(
'ui-state-default ' +
'ui-corner-top ' +
'ui-tabs-selected ' +
'ui-state-active ' +
'ui-state-hover ' +
'ui-tabs-collapsible ' +
'ui-state-disabled ' +
'ui-tabs-panel ' +
'ui-widget-content ' +
'ui-corner-bottom ' +
'ui-tabs-hide');
});
if (o.cookie)
this._cookie(null, o.cookie);
},
add: function(url, label, index) {
if (index == undefined)
index = this.$tabs.length; // append by default
var self = this, o = this.options;
var $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label));
$li.addClass('ui-state-default ui-corner-top').data('destroy.tabs', true);
var id = url.indexOf('#') == 0 ? url.replace('#', '') : this._tabId( $('a:first-child', $li)[0] );
// 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);
}
$panel.addClass('ui-tabs-panel ui-widget-content ui-corner-bottom ui-tabs-hide');
if (index >= this.$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) { // after tabify
$li.addClass('ui-tabs-selected ui-state-active');
$panel.removeClass('ui-tabs-hide');
var href = $.data(this.$tabs[0], 'load.tabs');
if (href) this.load(0, function() {
self._trigger('show', null,
self._ui(self.$tabs[0], self.$panels[0]));
});
}
// callback
this._trigger('add', null, this._ui(this.$tabs[index], this.$panels[index]));
},
remove: function(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 ($li.hasClass('ui-tabs-selected') && this.$tabs.length > 1)
this.select(index + (index + 1 < this.$tabs.length ? 1 : -1));
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], $panel[0]));
},
enable: function(index) {
var o = this.options;
if ($.inArray(index, o.disabled) == -1)
return;
this.$lis.eq(index).removeClass('ui-state-disabled');
o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
// callback
this._trigger('enable', null, this._ui(this.$tabs[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('ui-state-disabled');
o.disabled.push(index);
o.disabled.sort();
// callback
this._trigger('disable', null, this._ui(this.$tabs[index], this.$panels[index]));
}
},
select: function(index) {
if (typeof index == 'string')
index = this.$tabs.index(this.$tabs.filter('[href$=' + index + ']'));
else if (index === null)
index = -1;
if (index == -1 && this.options.collapsible)
index = this.options.selected;
this.$tabs.eq(index).trigger(this.options.event + '.tabs');
},
load: function(index, callback) { // callback is for internal usage only
callback = callback || function() {};
var self = this, o = this.options, a = this.$tabs.eq(index)[0],
bypassCache = callback == undefined, url = $.data(a, 'load.tabs');
this.abort();
// not remote or from cache - just finish with callback
if (!url || !bypassCache && $.data(a, 'cache.tabs')) {
callback();
return;
}
// load remote from here on
this.$lis.eq(index).addClass('ui-state-processing');
if (o.spinner) {
var span = $('span', a);
span.data('label.tabs', span.html()).html(o.spinner);
}
this.xhr = $.ajax($.extend({}, o.ajaxOptions, {
url: url,
success: function(r, s) {
$(self._sanitizeSelector(a.hash)).html(r);
// take care of tab labels
self._cleanup();
if (o.cache) {
$.data(a, 'cache.tabs', true); // if loaded once do not load them again
}
// callbacks
self._trigger('load', null, self._ui(self.$tabs[index], self.$panels[index]));
try {
o.ajaxOptions.success(r, s);
}
catch (e) {}
// This callback is required because the switch has to take
// place after loading has completed. Call last in order to
// fire load before show callback...
callback();
}
}));
},
abort: function() {
// stop possibly running animations
this.$panels.stop(false, true);
// terminate pending requests from other tabs
if (this.xhr) {
this.xhr.abort();
delete this.xhr;
}
// take care of tab labels
this._cleanup();
},
url: function(index, url) {
this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
},
length: function() {
return this.$tabs.length;
}
});
$.extend($.ui.tabs, {
version: '@VERSION',
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…</em>',
tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
}
});
/*
* Tabs Extensions
*/
/*
* Rotate
*/
$.extend($.ui.tabs.prototype, {
rotation: null,
rotate: function(ms, continuing) {
var self = this, o = this.options, t = o.selected;
function rotate() {
clearTimeout(self.rotation);
self.rotation = setTimeout(function() {
t = ++t < self.$tabs.length ? t : 0;
self.select(t);
}, ms);
}
// start rotation
if (ms) {
this.element.bind('tabsshow', rotate); // will not be attached twice
this.$tabs.bind(o.event + '.tabs', !continuing ?
function(e) {
if (e.clientX) { // in case of a true click
clearTimeout(self.rotation);
self.element.unbind('tabsshow', rotate);
}
} :
function(e) {
t = o.selected;
rotate();
}
);
rotate();
}
// stop rotation
else {
clearTimeout(self.rotation);
this.element.unbind('tabsshow', rotate);
this.$tabs.unbind(o.event + '.tabs', stop);
}
}
});
})(jQuery);
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