jquery-ui/ui/ui.tabs.js

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/*
* jQuery UI Tabs @VERSION
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*
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* Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.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:
* ui.core.js
*/
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(function($) {
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$.widget("ui.tabs", {
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_init: function() {
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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))
this.select(value);
else {
this.options[key] = value;
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this._tabify();
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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, '')
|| this.options.idPrefix + $.data(a);
},
_sanitizeSelector: function(hash) {
return hash.replace(/:/g, '\\:'); // we need this because an id may contain a ":"
},
_cookie: function() {
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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.$tabs.index(tab)
};
},
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_tabify: function(init) {
this.list = this.element.is('div') ? this.element.children('ul:first, ol:first').eq(0) : this.element;
this.$lis = $('li:has(a[href])', this.list);
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this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });
this.$panels = $([]);
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var self = this, o = this.options;
var fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
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this.$tabs.each(function(i, a) {
var href = $(a).attr('href');
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// inline tab
if (fragmentId.test(href))
self.$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 + 1);
});
// initialization from scratch
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if (init) {
// attach necessary classes for styling
if (this.element.is('div')) {
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.$tabs.each(function(i, a) {
if (a.hash == location.hash) {
o.selected = i;
return false; // break
}
});
}
else if (o.cookie)
o.selected = parseInt(self._cookie(), 10);
else if (this.$lis.filter('.ui-tabs-selected').length)
o.selected = this.$lis.index(this.$lis.filter('.ui-tabs-selected'));
else
o.selected = 0;
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}
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
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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'),
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function(n, i) { return self.$lis.index(n); } )
)).sort();
if ($.inArray(o.selected, o.disabled) != -1)
o.disabled.splice($.inArray(o.selected, o.disabled), 1);
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// highlight selected tab
this.$panels.addClass('ui-tabs-hide');
this.$lis.removeClass('ui-tabs-selected ui-state-active');
if (o.selected >= 0 && this.$tabs.length) { // check for length avoids error when initializing empty list
this.$panels.eq(o.selected).removeClass('ui-tabs-hide');
var classes = ['ui-tabs-selected ui-state-active'];
if (o.deselectable) classes.push('ui-tabs-deselectable');
this.$lis.eq(o.selected).addClass(classes.join(' '));
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// seems to be expected behavior that the show callback is fired
var onShow = function() {
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self._trigger('show', null,
self._ui(self.$tabs[o.selected], self.$panels[o.selected]));
};
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// load if remote tab
if ($.data(this.$tabs[o.selected], 'load.tabs'))
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this.load(o.selected, onShow);
// just trigger show event
else onShow();
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}
// states
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', $(this));
});
// TODO focus/blur don't seem to work with namespace
this.$tabs.bind('focus.tabs blur.tabs', function() {
handleState('focus', $(this).parents('li:first'));
});
}
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// clean up to avoid memory leaks in certain versions of IE 6
$(window).bind('unload', function() {
self.$lis.add(self.$tabs).unbind('.tabs');
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self.$lis = self.$tabs = self.$panels = null;
});
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}
// update selected after add/remove
else
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o.selected = this.$lis.index(this.$lis.filter('.ui-tabs-selected'));
// set or update cookie after init and add/remove respectively
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++)
$(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass('ui-tabs-selected') ? 'addClass' : 'removeClass']('ui-state-disabled');
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// reset cache if switching from cached to not cached
if (o.cache === false) this.$tabs.removeData('cache.tabs');
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// set up animations
var hideFx, showFx;
if (o.fx) {
if ($.isArray(o.fx)) {
hideFx = o.fx[0];
showFx = o.fx[1];
}
else hideFx = showFx = o.fx;
}
// Reset certain styles left over from animation
// and prevent IE's ClearType bug...
function resetStyle($el, fx) {
$el.css({ display: '' });
if ($.browser.msie && fx.opacity) $el[0].style.removeAttribute('filter');
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}
// Show a tab...
var showTab = showFx ?
function(clicked, $show) {
$show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
.animate(showFx, 500, function() {
resetStyle($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...
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function switchTab(clicked, $li, $hide, $show) {
var classes = ['ui-tabs-selected ui-state-active'];
if (o.deselectable) classes.push('ui-tabs-deselectable');
$li.removeClass('ui-state-default').addClass(classes.join(' '))
.siblings().removeClass(classes.join(' ')).addClass('ui-state-default');
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hideTab(clicked, $hide, $show);
}
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// attach tab event handler, unbind to avoid duplicates from former tabifying...
this.$tabs.unbind('.tabs').bind(o.event + '.tabs', function() {
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var $li = $(this).parents('li:eq(0)'),
$hide = self.$panels.filter(':visible'),
$show = $(self._sanitizeSelector(this.hash));
// If tab is already selected and not deselectable or tab disabled or
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// or is already loading or click callback returns false stop here.
// Check if click handler returns false last so that it is not executed
// for a disabled or loading tab!
if (($li.hasClass('ui-state-active') && !o.deselectable)
|| $li.hasClass('ui-state-disabled')
|| $(this).hasClass('ui-tabs-loading')
|| self._trigger('select', null, self._ui(this, $show[0])) === false
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) {
this.blur();
return false;
}
o.selected = self.$tabs.index(this);
// if tab may be closed TODO avoid redundant code in this block
if (o.deselectable) {
if ($li.hasClass('ui-state-active')) {
o.selected = -1;
if (o.cookie) self._cookie(o.selected, o.cookie);
$li.removeClass('ui-tabs-selected ui-state-active ui-tabs-deselectable')
.addClass('ui-state-default');
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self.$panels.stop();
hideTab(this, $hide);
this.blur();
return false;
} else if (!$hide.length) {
if (o.cookie) self._cookie(o.selected, o.cookie);
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self.$panels.stop();
var a = this;
self.load(self.$tabs.index(this), function() {
$li.addClass('ui-tabs-selected ui-state-active ui-tabs-deselectable')
.removeClass('ui-state-default');
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showTab(a, $show);
});
this.blur();
return false;
}
}
if (o.cookie) self._cookie(o.selected, o.cookie);
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// stop possibly running animations
self.$panels.stop();
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// show new tab
if ($show.length) {
var a = this;
self.load(self.$tabs.index(this), $hide.length ?
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function() {
switchTab(a, $li, $hide, $show);
} :
function() {
$li.addClass('ui-tabs-selected ui-state-active').removeClass('ui-state-default');
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showTab(a, $show);
}
);
} else
throw 'jQuery UI Tabs: Mismatching fragment identifier.';
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// Prevent IE from keeping other link focussed when using the back button
// and remove dotted border from clicked link. This is controlled via CSS
// in modern browsers; blur() removes focus from address bar in Firefox
// which can become a usability and annoying problem with tabs('rotate').
if ($.browser.msie) this.blur();
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return false;
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});
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// disable click if event is configured to something else
if (o.event != 'click') this.$tabs.bind('click.tabs', function(){return false;});
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},
destroy: function() {
var o = this.options;
this.element
.removeClass('ui-tabs ui-widget ui-widget-content ui-corner-all');
this.list.unbind('.tabs')
.removeClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all')
.removeData('tabs');
this.$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.unbind('.tabs').add(this.$panels).each(function() {
if ($.data(this, 'destroy.tabs'))
$(this).remove();
else
$(this).removeClass(
'ui-state-default ' +
'ui-corner-top ' +
'ui-tabs-selected ' +
'ui-state-active ' +
'ui-tabs-deselectable ' +
'ui-state-disabled ' +
'ui-tabs-panel ' +
'ui-widget-content ' +
'ui-corner-bottom ' +
'ui-tabs-hide');
});
if (o.cookie)
this._cookie(null, o.cookie);
},
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add: function(url, label, index) {
if (index == undefined)
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index = this.$tabs.length; // append by default
var self = this, o = this.options;
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var $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label));
$li.addClass('ui-state-default ui-corner-top').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
var $panel = $('#' + id);
if (!$panel.length) {
$panel = $(o.panelTemplate).attr('id', id).data('destroy.tabs', true);
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}
$panel.addClass('ui-tabs-panel ui-widget-content ui-corner-bottom ui-tabs-hide');
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if (index >= this.$lis.length) {
$li.appendTo(this.list);
$panel.appendTo(this.list[0].parentNode);
}
else {
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$li.insertBefore(this.$lis[index]);
$panel.insertBefore(this.$panels[index]);
}
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o.disabled = $.map(o.disabled,
function(n, i) { return n >= index ? ++n : n });
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this._tabify();
if (this.$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]));
});
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}
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// callback
this._trigger('add', null, this._ui(this.$tabs[index], this.$panels[index]));
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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 ($li.hasClass('ui-tabs-selected') && this.$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; }),
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], $panel[0]));
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},
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enable: function(index) {
var o = this.options;
if ($.inArray(index, o.disabled) == -1)
return;
this.$lis.eq(index).removeClass('ui-state-disabled');
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o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
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// callback
this._trigger('enable', null, this._ui(this.$tabs[index], this.$panels[index]));
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},
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disable: function(index) {
var self = this, o = this.options;
if (index != o.selected) { // cannot disable already selected tab
this.$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.$tabs[index], this.$panels[index]));
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}
},
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select: function(index) {
if (typeof index == 'string')
index = this.$tabs.index(this.$tabs.filter('[href$=' + index + ']'));
this.$tabs.eq(index).trigger(this.options.event + '.tabs');
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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],
bypassCache = callback == undefined || callback === false, url = $a.data('load.tabs');
// TODO bypassCache == false should work
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callback = callback || function() {};
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// no remote or from cache - just finish with callback
// TODO in any case: insert cancel running load here..!
if (!url || !bypassCache && $.data(a, 'cache.tabs')) {
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callback();
return;
}
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// load remote from here on
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var inner = function(parent) {
var $parent = $(parent), $inner = $parent.find('*:last');
return $inner.length && $inner.is(':not(img)') && $inner || $parent;
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};
var cleanup = function() {
self.$tabs.filter('.ui-tabs-loading').removeClass('ui-tabs-loading')
.each(function() {
if (o.spinner)
inner(this).parent().html(inner(this).data('label.tabs'));
});
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self.xhr = null;
};
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if (o.spinner) {
var label = inner(a).html();
inner(a).wrapInner('<em></em>')
.find('em').data('label.tabs', label).html(o.spinner);
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}
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var ajaxOptions = $.extend({}, o.ajaxOptions, {
url: url,
success: function(r, s) {
$(self._sanitizeSelector(a.hash)).html(r);
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cleanup();
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if (o.cache)
$.data(a, 'cache.tabs', true); // if loaded once do not load them again
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// callbacks
self._trigger('load', null, self._ui(self.$tabs[index], self.$panels[index]));
try {
o.ajaxOptions.success(r, s);
}
catch (er) {}
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// This callback is required because the switch has to take
// place after loading has completed. Call last in order to
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// fire load before show callback...
callback();
}
});
if (this.xhr) {
// terminate pending requests from other tabs and restore tab label
this.xhr.abort();
cleanup();
}
$a.addClass('ui-tabs-loading');
self.xhr = $.ajax(ajaxOptions);
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},
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url: function(index, url) {
this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
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},
length: function() {
return this.$tabs.length;
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}
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});
$.extend($.ui.tabs, {
version: '@VERSION',
getter: 'length',
defaults: {
ajaxOptions: null,
cache: false,
cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
deselectable: false,
disabled: [],
event: 'click',
fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
idPrefix: 'ui-tabs-',
panelTemplate: '<div></div>',
spinner: 'Loading&#8230;',
tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
}
});
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/*
* Tabs Extensions
*/
/*
* Rotate
*/
$.extend($.ui.tabs.prototype, {
rotation: null,
rotate: function(ms, continuing) {
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var self = this, t = this.options.selected;
function rotate() {
clearTimeout(self.rotation);
self.rotation = setTimeout(function() {
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t = ++t < self.$tabs.length ? t : 0;
self.select(t);
}, ms);
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}
// start rotation
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if (ms) {
this.element.bind('tabsshow', rotate); // will not be attached twice
this.$tabs.bind(this.options.event + '.tabs', !continuing ?
function(e) {
if (e.clientX) { // in case of a true click
clearTimeout(self.rotation);
self.element.unbind('tabsshow', rotate);
}
} :
function(e) {
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t = self.options.selected;
rotate();
}
);
rotate();
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}
// stop rotation
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else {
clearTimeout(self.rotation);
this.element.unbind('tabsshow', rotate);
this.$tabs.unbind(this.options.event + '.tabs', stop);
2008-06-04 02:34:33 +00:00
}
}
});
})(jQuery);