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  • /* ========================================================
     * bootstrap-tab.js v2.0.4
     * http://twitter.github.com/bootstrap/javascript.html#tabs
     * ========================================================
     * Copyright 2012 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 ($) {
    
      "use strict"; // jshint ;_;
    
    
     /* TAB CLASS DEFINITION
      * ==================== */
    
      var Tab = function ( element ) {
        this.element = $(element)
      }
    
      Tab.prototype = {
    
        constructor: Tab
    
      , show: function () {
          var $this = this.element
            , $ul = $this.closest('ul:not(.dropdown-menu)')
            , selector = $this.attr('data-target')
            , previous
            , $target
            , e
    
          if (!selector) {
            selector = $this.attr('href')
            selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
          }
    
          if ( $this.parent('li').hasClass('active') ) return
    
          previous = $ul.find('.active a').last()[0]
    
          e = $.Event('show', {
            relatedTarget: previous
          })
    
          $this.trigger(e)
    
          if (e.isDefaultPrevented()) return
    
          $target = $(selector)
    
          this.activate($this.parent('li'), $ul)
          this.activate($target, $target.parent(), function () {
            $this.trigger({
              type: 'shown'
            , relatedTarget: previous
            })
          })
        }
    
      , activate: function ( element, container, callback) {
          var $active = container.find('> .active')
            , transition = callback
                && $.support.transition
                && $active.hasClass('fade')
    
          function next() {
            $active
              .removeClass('active')
              .find('> .dropdown-menu > .active')
              .removeClass('active')
    
            element.addClass('active')
    
            if (transition) {
              element[0].offsetWidth // reflow for transition
              element.addClass('in')
            } else {
              element.removeClass('fade')
            }
    
            if ( element.parent('.dropdown-menu') ) {
              element.closest('li.dropdown').addClass('active')
            }
    
            callback && callback()
          }
    
          transition ?
            $active.one($.support.transition.end, next) :
            next()
    
          $active.removeClass('in')
        }
      }
    
    
     /* TAB PLUGIN DEFINITION
      * ===================== */
    
      $.fn.tab = function ( option ) {
        return this.each(function () {
          var $this = $(this)
            , data = $this.data('tab')
          if (!data) $this.data('tab', (data = new Tab(this)))
          if (typeof option == 'string') data[option]()
        })
      }
    
      $.fn.tab.Constructor = Tab
    
    
     /* TAB DATA-API
      * ============ */
    
      $(function () {
        $('body').on('click.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) {
          e.preventDefault()
          $(this).tab('show')
        })
      })
    
    }(window.jQuery);