/* ========================================================
 * bootstrap-tabs.js v1.3.0
 * http://twitter.github.com/bootstrap/javascript.html#tabs
 * ========================================================
 * Copyright 2011 Twitter, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ======================================================== */


!function( $ ){

  function activate ( element, container ) {
    container
      .find('> .active')
      .removeClass('active')
      .find('> .dropdown-menu > .active')
      .removeClass('active')

    element.addClass('active')

    if ( element.parent('.dropdown-menu') ) {
      element.closest('li.dropdown').addClass('active')
    }
  }

  function tab( e ) {
    var $this = $(this)
      , $ul = $this.closest('ul:not(.dropdown-menu)')
      , href = $this.attr('href')
      , previous

    if ( /^#\w+/.test(href) ) {
      e.preventDefault()

      if ( $this.parent('li').hasClass('active') ) {
        return
      }

      previous = $ul.find('.active a').last()[0]
      $href = $(href)

      activate($this.parent('li'), $ul)
      activate($href, $href.parent())

      $this.trigger({
        type: 'change'
      , relatedTarget: previous
      })
    }
  }


 /* TABS/PILLS PLUGIN DEFINITION
  * ============================ */

  $.fn.tabs = $.fn.pills = function ( selector ) {
    return this.each(function () {
      $(this).delegate(selector || '.tabs li > a, .pills > li > a', 'click', tab)
    })
  }

  $(document).ready(function () {
    $('body').tabs('ul[data-tabs] li > a, ul[data-pills] > li > a')
  })

}( window.jQuery || window.ender );
