/*
 * jQuery UI Tabs 1.7.2
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.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.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');
                          });
          },

_tabify: function(init) {

             this.list = this.element.children('ul:first');
             this.lis = $('li:has(a[href])', this.list);
             this.anchors = 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.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;
                     }

                     // 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.anchors.each(function(i, a) {
                                 if (a.hash == location.hash) {
                                 o.selected = i;
                                 return false; // break
                                 }
                                 });
                     }
                     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 || 0;
                 }
                 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;

                 // 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.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');

                     // 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);
                 }

                 // 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;
                         });

             }
             // 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.anchors.removeData('cache.tabs');
             }

             // 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) {
                     if (el.is(':not(.ui-state-disabled)')) {
                         el.addClass('ui-state-' + state);
                     }
                 };
                 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'));
                         });
             }

             // 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) {
                     $(clicked).closest('li').removeClass('ui-state-default').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').removeClass('ui-state-default').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').addClass('ui-state-default');
                             $hide.addClass('ui-tabs-hide');
                             resetStyle($hide, hideFx);
                             self.element.dequeue("tabs");
                             });
                 } :
             function(clicked, $hide, $show) {
                 self.lis.removeClass('ui-tabs-selected ui-state-active').addClass('ui-state-default');
                 $hide.addClass('ui-tabs-hide');
                 self.element.dequeue("tabs");
             };

             // 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)'),
                     $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.anchors.index(this);

                     self.abort();

                     // if tab may be closed
                     if (o.collapsible) {
                         if ($li.hasClass('ui-tabs-selected')) {
                             o.selected = -1;

                             if (o.cookie) {
                                 self._cookie(o.selected, o.cookie);
                             }

                             self.element.queue("tabs", function() {
                                     hideTab(el, $hide);
                                     }).dequeue("tabs");

                             this.blur();
                             return false;
                         }
                         else if (!$hide.length) {
                             if (o.cookie) {
                                 self._cookie(o.selected, o.cookie);
                             }

                             self.element.queue("tabs", function() {
                                     showTab(el, $show);
                                     });

                             self.load(self.anchors.index(this)); // TODO make passing in node possible, see also http://dev.jqueryui.com/ticket/3171

                             this.blur();
                             return false;
                         }
                     }

                     if (o.cookie) {
                         self._cookie(o.selected, o.cookie);
                     }

                     // 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 {
                         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.anchors.bind('click.tabs', function(){return false;});

         },

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');
                     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-state-focus',
                         'ui-state-disabled',
                         'ui-tabs-panel',
                         'ui-widget-content',
                         'ui-corner-bottom',
                         'ui-tabs-hide'
                         ].join(' '));
                     }
                     });

             if (o.cookie) {
                 this._cookie(null, o.cookie);
             }
         },

add: function(url, label, index) {
         if (index === undefined) {
             index = this.anchors.length; // append by default
         }

         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);

         // 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.anchors.length == 1) { // after tabify
             $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);
         }

         // callback
         this._trigger('add', null, this._ui(this.anchors[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.anchors.length > 1) {
                this.select(index + (index + 1 < this.anchors.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.anchors[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.anchors[index], this.panels[index]));
             }
         },

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');
        },

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");
              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.anchors[index], self.panels[index]));
try {
o.ajaxOptions.success(r, s);
}
catch (e) {}

// last, so that load event is fired before show...
self.element.dequeue("tabs");
          }
}));
},

abort: function() {
           // stop possibly running animations
           this.element.queue([]);
           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.anchors.eq(index).removeData('cache.tabs').data('load.tabs', url);
     },

length: function() {
            return this.anchors.length;
        }

});

$.extend($.ui.tabs, {
version: '1.7.2',
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&#8230;</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;

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();
    }
    });

var stop = self._unrotate || (self._unrotate = !continuing ?
    function(e) {
    if (e.clientX) { // in case of a true click
    self.rotate(null);
    }
    } :
    function(e) {
    t = o.selected;
    rotate();
    });

// start rotation
if (ms) {
    this.element.bind('tabsshow', rotate);
    this.anchors.bind(o.event + '.tabs', stop);
    rotate();
}
// stop rotation
else {
    clearTimeout(self.rotation);
    this.element.unbind('tabsshow', rotate);
    this.anchors.unbind(o.event + '.tabs', stop);
    delete this._rotate;
    delete this._unrotate;
}
}
});

})(jQuery);


