/* ========================================================================

 * Bootstrap: tab.js v3.3.5

 * http://getbootstrap.com/javascript/#tabs

 * ========================================================================

 * Copyright 2011-2015 Twitter, Inc.

 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)

 * ======================================================================== */

+function ($) {

  'use strict';

  // TAB CLASS DEFINITION

  // ====================

  var Tab = function (element) {

    // jscs:disable requireDollarBeforejQueryAssignment

    this.element = $(element)

    // jscs:enable requireDollarBeforejQueryAssignment

  }

  Tab.VERSION = '3.3.5'

  Tab.TRANSITION_DURATION = 150

  Tab.prototype.show = function () {

    var $this    = this.element

    var $ul      = $this.closest('ul:not(.dropdown-menu)')

    var selector = $this.data('target')

    if (!selector) {

      selector = $this.attr('href')

      selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7

    }

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

    var $previous = $ul.find('.active:last a')

    var hideEvent = $.Event('hide.bs.tab', {

      relatedTarget: $this[0]

    })

    var showEvent = $.Event('show.bs.tab', {

      relatedTarget: $previous[0]

    })

    $previous.trigger(hideEvent)

    $this.trigger(showEvent)

    if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) return

    var $target = $(selector)

    this.activate($this.closest('li'), $ul)

    this.activate($target, $target.parent(), function () {

      $previous.trigger({

        type: 'hidden.bs.tab',

        relatedTarget: $this[0]

      })

      $this.trigger({

        type: 'shown.bs.tab',

        relatedTarget: $previous[0]

      })

    })

  }

  Tab.prototype.activate = function (element, container, callback) {

    var $active    = container.find('> .active')

    var transition = callback

      && $.support.transition

      && ($active.length && $active.hasClass('fade') || !!container.find('> .fade').length)

    function next() {

      $active

        .removeClass('active')

        .find('> .dropdown-menu > .active')

          .removeClass('active')

        .end()

        .find('[data-toggle="tab"]')

          .attr('aria-expanded', false)

      element

        .addClass('active')

        .find('[data-toggle="tab"]')

          .attr('aria-expanded', true)

      if (transition) {

        element[0].offsetWidth // reflow for transition

        element.addClass('in')

      } else {

        element.removeClass('fade')

      }

      if (element.parent('.dropdown-menu').length) {

        element

          .closest('li.dropdown')

            .addClass('active')

          .end()

          .find('[data-toggle="tab"]')

            .attr('aria-expanded', true)

      }

      callback && callback()

    }

    $active.length && transition ?

      $active

        .one('bsTransitionEnd', next)

        .emulateTransitionEnd(Tab.TRANSITION_DURATION) :

      next()

    $active.removeClass('in')

  }

  // TAB PLUGIN DEFINITION

  // =====================

  function Plugin(option) {

    return this.each(function () {

      var $this = $(this)

      var data  = $this.data('bs.tab')

      if (!data) $this.data('bs.tab', (data = new Tab(this)))

      if (typeof option == 'string') data[option]()

    })

  }

  var old = $.fn.tab

  $.fn.tab             = Plugin

  $.fn.tab.Constructor = Tab

  // TAB NO CONFLICT

  // ===============

  $.fn.tab.noConflict = function () {

    $.fn.tab = old

    return this

  }

  // TAB DATA-API

  // ============

  var clickHandler = function (e) {

    e.preventDefault()

    Plugin.call($(this), 'show')

  }

  $(document)

    .on('click.bs.tab.data-api', '[data-toggle="tab"]', clickHandler)

    .on('click.bs.tab.data-api', '[data-toggle="pill"]', clickHandler)

}(jQuery);