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

* Bootstrap: tab.js v3.3.4
* 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) {
  this.element = $(element)
}

Tab.VERSION = '3.3.4'

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);