jquery-ui/ui/jquery.ui.tabs.js

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/*
* jQuery UI Tabs @VERSION
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*
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* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Tabs
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
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*/
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(function($) {
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var tabId = 0,
listId = 0;
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$.widget("ui.tabs", {
options: {
add: null,
ajaxOptions: null,
cache: false,
cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
collapsible: false,
disable: null,
disabled: [],
enable: null,
event: 'click',
fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
idPrefix: 'ui-tabs-',
load: null,
panelTemplate: '<div></div>',
remove: null,
select: null,
show: null,
spinner: '<em>Loading&#8230;</em>',
tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
},
_create: function() {
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this._tabify(true);
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},
_setOption: function(key, value) {
if (key == 'selected') {
if (this.options.collapsible && value == this.options.selected) {
return;
}
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this.select(value);
}
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else {
this.options[key] = value;
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this._tabify();
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}
},
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_tabId: function(a) {
return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '') ||
this.options.idPrefix + (++tabId);
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},
_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-' + (++listId));
return $.cookie.apply(null, [cookie].concat($.makeArray(arguments)));
},
_ui: function(tab, panel) {
return {
tab: tab,
panel: panel,
index: this.anchors.index(tab)
};
},
_cleanup: function() {
// restore all former loading tabs labels
this.lis.filter('.ui-state-processing').removeClass('ui-state-processing')
.find('span:data(label.tabs)')
.each(function() {
var el = $(this);
el.html(el.data('label.tabs')).removeData('label.tabs');
});
},
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_tabify: function(init) {
this.list = this.element.find('ol,ul').eq(0);
this.lis = $('li:has(a[href])', this.list);
this.anchors = this.lis.map(function() { return $('a', this)[0]; });
this.panels = $([]);
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var self = this, o = this.options;
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;
}
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// inline tab
if (fragmentId.test(href)) {
self.panels = self.panels.add(self._sanitizeSelector(href));
}
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// remote tab
else if (href != '#') { // prevent loading the page itself if href is just "#"
$.data(a, 'href.tabs', href); // required for restore on destroy
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// 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
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var id = self._tabId(a);
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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);
$panel.data('destroy.tabs', true);
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}
self.panels = self.panels.add($panel);
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}
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// invalid tab href
else {
o.disabled.push(i);
}
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});
// initialization from scratch
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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');
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// Selected tab
// use "selected" option or try to retrieve:
// 1. from fragment identifier in url
// 2. from cookie
// 3. from selected class attribute on <li>
if (o.selected === undefined) {
if (location.hash) {
this.anchors.each(function(i, a) {
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if (a.hash == location.hash) {
o.selected = i;
return false; // break
}
});
}
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if (typeof o.selected != 'number' && o.cookie) {
o.selected = parseInt(self._cookie(), 10);
}
if (typeof o.selected != 'number' && this.lis.filter('.ui-tabs-selected').length) {
o.selected = this.lis.index(this.lis.filter('.ui-tabs-selected'));
}
o.selected = o.selected || (this.lis.length ? 0 : -1);
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}
else if (o.selected === null) { // usage of null is deprecated, TODO remove in next release
o.selected = -1;
}
// sanity check - default to first tab...
o.selected = ((o.selected >= 0 && this.anchors[o.selected]) || o.selected < 0) ? o.selected : 0;
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// 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(
$.map(this.lis.filter('.ui-state-disabled'),
function(n, i) { return self.lis.index(n); } )
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)).sort();
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if ($.inArray(o.selected, o.disabled) != -1) {
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o.disabled.splice($.inArray(o.selected, o.disabled), 1);
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}
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// highlight selected tab
this.panels.addClass('ui-tabs-hide');
this.lis.removeClass('ui-tabs-selected ui-state-active');
if (o.selected >= 0 && this.anchors.length) { // check for length avoids error when initializing empty list
this.panels.eq(o.selected).removeClass('ui-tabs-hide');
this.lis.eq(o.selected).addClass('ui-tabs-selected ui-state-active');
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// seems to be expected behavior that the show callback is fired
self.element.queue("tabs", function() {
self._trigger('show', null, self._ui(self.anchors[o.selected], self.panels[o.selected]));
});
this.load(o.selected);
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}
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// clean up to avoid memory leaks in certain versions of IE 6
$(window).bind('unload', function() {
self.lis.add(self.anchors).unbind('.tabs');
self.lis = self.anchors = self.panels = null;
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});
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}
// update selected after add/remove
else {
o.selected = this.lis.index(this.lis.filter('.ui-tabs-selected'));
}
// update collapsible
this.element[o.collapsible ? 'addClass' : 'removeClass']('ui-tabs-collapsible');
// set or update cookie after init and add/remove respectively
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if (o.cookie) {
this._cookie(o.selected, o.cookie);
}
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// disable tabs
for (var i = 0, li; (li = this.lis[i]); i++) {
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$(li)[$.inArray(i, o.disabled) != -1 &&
!$(li).hasClass('ui-tabs-selected') ? 'addClass' : 'removeClass']('ui-state-disabled');
}
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// reset cache if switching from cached to not cached
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if (o.cache === false) {
this.anchors.removeData('cache.tabs');
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}
// 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) {
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if (el.is(':not(.ui-state-disabled)')) {
el.addClass('ui-state-' + state);
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}
};
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', $(this).closest('li'));
});
}
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// set up animations
var hideFx, showFx;
if (o.fx) {
if ($.isArray(o.fx)) {
hideFx = o.fx[0];
showFx = o.fx[1];
}
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else {
hideFx = showFx = o.fx;
}
}
// Reset certain styles left over from animation
// and prevent IE's ClearType bug...
function resetStyle($el, fx) {
$el.css({ display: '' });
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if (!$.support.opacity && fx.opacity) {
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$el[0].style.removeAttribute('filter');
}
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}
// Show a tab...
var showTab = showFx ?
function(clicked, $show) {
$(clicked).closest('li').addClass('ui-tabs-selected ui-state-active');
$show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
.animate(showFx, showFx.duration || 'normal', function() {
resetStyle($show, showFx);
self._trigger('show', null, self._ui(clicked, $show[0]));
});
} :
function(clicked, $show) {
$(clicked).closest('li').addClass('ui-tabs-selected ui-state-active');
$show.removeClass('ui-tabs-hide');
self._trigger('show', null, self._ui(clicked, $show[0]));
};
// Hide a tab, $show is optional...
var hideTab = hideFx ?
function(clicked, $hide) {
$hide.animate(hideFx, hideFx.duration || 'normal', function() {
self.lis.removeClass('ui-tabs-selected ui-state-active');
$hide.addClass('ui-tabs-hide');
resetStyle($hide, hideFx);
self.element.dequeue("tabs");
});
} :
function(clicked, $hide, $show) {
self.lis.removeClass('ui-tabs-selected ui-state-active');
$hide.addClass('ui-tabs-hide');
self.element.dequeue("tabs");
};
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// 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'), $hide = self.panels.filter(':not(.ui-tabs-hide)'),
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$show = $(self._sanitizeSelector(this.hash));
// If tab is already selected and not collapsible or tab disabled or
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// or is already loading or click callback returns false stop here.
// Check if click handler returns false last so that it is not executed
// for a disabled or loading tab!
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if (($li.hasClass('ui-tabs-selected') && !o.collapsible) ||
$li.hasClass('ui-state-disabled') ||
$li.hasClass('ui-state-processing') ||
self._trigger('select', null, self._ui(this, $show[0])) === false) {
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this.blur();
return false;
}
o.selected = self.anchors.index(this);
self.abort();
// if tab may be closed
if (o.collapsible) {
if ($li.hasClass('ui-tabs-selected')) {
o.selected = -1;
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if (o.cookie) {
self._cookie(o.selected, o.cookie);
}
self.element.queue("tabs", function() {
hideTab(el, $hide);
}).dequeue("tabs");
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this.blur();
return false;
}
else if (!$hide.length) {
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if (o.cookie) {
self._cookie(o.selected, o.cookie);
}
self.element.queue("tabs", function() {
showTab(el, $show);
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});
self.load(self.anchors.index(this)); // TODO make passing in node possible, see also http://dev.jqueryui.com/ticket/3171
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this.blur();
return false;
}
}
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if (o.cookie) {
self._cookie(o.selected, o.cookie);
}
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// show new tab
if ($show.length) {
if ($hide.length) {
self.element.queue("tabs", function() {
hideTab(el, $hide);
});
}
self.element.queue("tabs", function() {
showTab(el, $show);
});
self.load(self.anchors.index(this));
}
else {
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throw 'jQuery UI Tabs: Mismatching fragment identifier.';
}
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// Prevent IE from keeping other link focussed when using the back button
// and remove dotted border from clicked link. This is controlled via CSS
// in modern browsers; blur() removes focus from address bar in Firefox
// which can become a usability and annoying problem with tabs('rotate').
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if ($.browser.msie) {
this.blur();
}
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});
// disable click in any case
this.anchors.bind('click.tabs', function(){return false;});
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},
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');
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if (href) {
this.href = href;
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}
var $this = $(this).unbind('.tabs');
$.each(['href', 'load', 'cache'], function(i, prefix) {
$this.removeData(prefix + '.tabs');
});
});
this.lis.unbind('.tabs').add(this.panels).each(function() {
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if ($.data(this, 'destroy.tabs')) {
$(this).remove();
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}
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(' '));
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}
});
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if (o.cookie) {
this._cookie(null, o.cookie);
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}
return this;
},
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add: function(url, label, index) {
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if (index === undefined) {
index = this.anchors.length; // append by default
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}
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var self = this, o = this.options,
$li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label)),
id = !url.indexOf('#') ? url.replace('#', '') : this._tabId($('a', $li)[0]);
$li.addClass('ui-state-default ui-corner-top').data('destroy.tabs', true);
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// 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);
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}
$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]);
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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();
if (this.anchors.length == 1) { // after tabify
o.selected = 0;
$li.addClass('ui-tabs-selected ui-state-active');
$panel.removeClass('ui-tabs-hide');
this.element.queue("tabs", function() {
self._trigger('show', null, self._ui(self.anchors[0], self.panels[0]));
});
this.load(0);
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}
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// callback
this._trigger('add', null, this._ui(this.anchors[index], this.panels[index]));
return this;
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},
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remove: function(index) {
var o = this.options, $li = this.lis.eq(index).remove(),
$panel = this.panels.eq(index).remove();
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// If selected tab was removed focus tab to the right or
// in case the last tab was removed the tab to the left.
if ($li.hasClass('ui-tabs-selected') && this.anchors.length > 1) {
this.select(index + (index + 1 < this.anchors.length ? 1 : -1));
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}
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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
this._trigger('remove', null, this._ui($li.find('a')[0], $panel[0]));
return this;
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},
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enable: function(index) {
var o = this.options;
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if ($.inArray(index, o.disabled) == -1) {
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return;
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}
this.lis.eq(index).removeClass('ui-state-disabled');
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o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
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// callback
this._trigger('enable', null, this._ui(this.anchors[index], this.panels[index]));
return this;
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},
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disable: function(index) {
var self = this, o = this.options;
if (index != o.selected) { // cannot disable already selected tab
this.lis.eq(index).addClass('ui-state-disabled');
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o.disabled.push(index);
o.disabled.sort();
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// callback
this._trigger('disable', null, this._ui(this.anchors[index], this.panels[index]));
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}
return this;
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},
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select: function(index) {
if (typeof index == 'string') {
index = this.anchors.index(this.anchors.filter('[href$=' + index + ']'));
}
else if (index === null) { // usage of null is deprecated, TODO remove in next release
index = -1;
}
if (index == -1 && this.options.collapsible) {
index = this.options.selected;
}
this.anchors.eq(index).trigger(this.options.event + '.tabs');
return this;
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},
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");
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return;
}
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// load remote from here on
this.lis.eq(index).addClass('ui-state-processing');
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if (o.spinner) {
var span = $('span', a);
span.data('label.tabs', span.html()).html(o.spinner);
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}
this.xhr = $.ajax($.extend({}, o.ajaxOptions, {
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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
}
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// callbacks
self._trigger('load', null, self._ui(self.anchors[index], self.panels[index]));
try {
o.ajaxOptions.success(r, s);
}
catch (e) {}
},
error: function(xhr, s, e) {
// take care of tab labels
self._cleanup();
// callbacks
self._trigger('load', null, self._ui(self.anchors[index], self.panels[index]));
try {
// Passing index avoid a race condition when this method is
// called after the user has selected another tab.
// Pass the anchor that initiated this request allows
// loadError to manipulate the tab content panel via $(a.hash)
o.ajaxOptions.error(xhr, s, index, a);
}
catch (e) {}
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}
}));
// last, so that load event is fired before show...
self.element.dequeue("tabs");
return this;
},
abort: function() {
// stop possibly running animations
this.element.queue([]);
this.panels.stop(false, true);
// "tabs" queue must not contain more than two elements,
// which are the callbacks for the latest clicked tab...
this.element.queue("tabs", this.element.queue("tabs").splice(-2, 2));
// terminate pending requests from other tabs
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if (this.xhr) {
this.xhr.abort();
delete this.xhr;
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}
// take care of tab labels
this._cleanup();
return this;
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},
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url: function(index, url) {
this.anchors.eq(index).removeData('cache.tabs').data('load.tabs', url);
return this;
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},
length: function() {
return this.anchors.length;
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}
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});
$.extend($.ui.tabs, {
version: '@VERSION'
});
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/*
* Tabs Extensions
*/
/*
* Rotate
*/
$.extend($.ui.tabs.prototype, {
rotation: null,
rotate: function(ms, continuing) {
var self = this, o = this.options;
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();
}
});
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var stop = self._unrotate || (self._unrotate = !continuing ?
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function(e) {
if (e.clientX) { // in case of a true click
self.rotate(null);
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}
} :
function(e) {
t = o.selected;
rotate();
});
// start rotation
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if (ms) {
this.element.bind('tabsshow', rotate);
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this.anchors.bind(o.event + '.tabs', stop);
rotate();
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}
// stop rotation
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else {
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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}
return this;
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}
});
})(jQuery);