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

 * Bootstrap: carousel.js v3.3.5

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

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

 * Copyright 2011-2015 Twitter, Inc.

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

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

+function ($) {

  'use strict';

  // CAROUSEL CLASS DEFINITION

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

  var Carousel = function (element, options) {

    this.$element    = $(element)

    this.$indicators = this.$element.find('.carousel-indicators')

    this.options     = options

    this.paused      = null

    this.sliding     = null

    this.interval    = null

    this.$active     = null

    this.$items      = null

    this.options.keyboard && this.$element.on('keydown.bs.carousel', $.proxy(this.keydown, this))

    this.options.pause == 'hover' && !('ontouchstart' in document.documentElement) && this.$element

      .on('mouseenter.bs.carousel', $.proxy(this.pause, this))

      .on('mouseleave.bs.carousel', $.proxy(this.cycle, this))

  }

  Carousel.VERSION  = '3.3.5'

  Carousel.TRANSITION_DURATION = 600

  Carousel.DEFAULTS = {

    interval: 5000,

    pause: 'hover',

    wrap: true,

    keyboard: true

  }

  Carousel.prototype.keydown = function (e) {

    if (/input|textarea/i.test(e.target.tagName)) return

    switch (e.which) {

      case 37: this.prev(); break

      case 39: this.next(); break

      default: return

    }

    e.preventDefault()

  }

  Carousel.prototype.cycle = function (e) {

    e || (this.paused = false)

    this.interval && clearInterval(this.interval)

    this.options.interval

      && !this.paused

      && (this.interval = setInterval($.proxy(this.next, this), this.options.interval))

    return this

  }

  Carousel.prototype.getItemIndex = function (item) {

    this.$items = item.parent().children('.item')

    return this.$items.index(item || this.$active)

  }

  Carousel.prototype.getItemForDirection = function (direction, active) {

    var activeIndex = this.getItemIndex(active)

    var willWrap = (direction == 'prev' && activeIndex === 0)

                || (direction == 'next' && activeIndex == (this.$items.length - 1))

    if (willWrap && !this.options.wrap) return active

    var delta = direction == 'prev' ? -1 : 1

    var itemIndex = (activeIndex + delta) % this.$items.length

    return this.$items.eq(itemIndex)

  }

  Carousel.prototype.to = function (pos) {

    var that        = this

    var activeIndex = this.getItemIndex(this.$active = this.$element.find('.item.active'))

    if (pos > (this.$items.length - 1) || pos < 0) return

    if (this.sliding)       return this.$element.one('slid.bs.carousel', function () { that.to(pos) }) // yes, "slid"

    if (activeIndex == pos) return this.pause().cycle()

    return this.slide(pos > activeIndex ? 'next' : 'prev', this.$items.eq(pos))

  }

  Carousel.prototype.pause = function (e) {

    e || (this.paused = true)

    if (this.$element.find('.next, .prev').length && $.support.transition) {

      this.$element.trigger($.support.transition.end)

      this.cycle(true)

    }

    this.interval = clearInterval(this.interval)

    return this

  }

  Carousel.prototype.next = function () {

    if (this.sliding) return

    return this.slide('next')

  }

  Carousel.prototype.prev = function () {

    if (this.sliding) return

    return this.slide('prev')

  }

  Carousel.prototype.slide = function (type, next) {

    var $active   = this.$element.find('.item.active')

    var $next     = next || this.getItemForDirection(type, $active)

    var isCycling = this.interval

    var direction = type == 'next' ? 'left' : 'right'

    var that      = this

    if ($next.hasClass('active')) return (this.sliding = false)

    var relatedTarget = $next[0]

    var slideEvent = $.Event('slide.bs.carousel', {

      relatedTarget: relatedTarget,

      direction: direction

    })

    this.$element.trigger(slideEvent)

    if (slideEvent.isDefaultPrevented()) return

    this.sliding = true

    isCycling && this.pause()

    if (this.$indicators.length) {

      this.$indicators.find('.active').removeClass('active')

      var $nextIndicator = $(this.$indicators.children()[this.getItemIndex($next)])

      $nextIndicator && $nextIndicator.addClass('active')

    }

    var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"

    if ($.support.transition && this.$element.hasClass('slide')) {

      $next.addClass(type)

      $next[0].offsetWidth // force reflow

      $active.addClass(direction)

      $next.addClass(direction)

      $active

        .one('bsTransitionEnd', function () {

          $next.removeClass([type, direction].join(' ')).addClass('active')

          $active.removeClass(['active', direction].join(' '))

          that.sliding = false

          setTimeout(function () {

            that.$element.trigger(slidEvent)

          }, 0)

        })

        .emulateTransitionEnd(Carousel.TRANSITION_DURATION)

    } else {

      $active.removeClass('active')

      $next.addClass('active')

      this.sliding = false

      this.$element.trigger(slidEvent)

    }

    isCycling && this.cycle()

    return this

  }

  // CAROUSEL PLUGIN DEFINITION

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

  function Plugin(option) {

    return this.each(function () {

      var $this   = $(this)

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

      var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option)

      var action  = typeof option == 'string' ? option : options.slide

      if (!data) $this.data('bs.carousel', (data = new Carousel(this, options)))

      if (typeof option == 'number') data.to(option)

      else if (action) data[action]()

      else if (options.interval) data.pause().cycle()

    })

  }

  var old = $.fn.carousel

  $.fn.carousel             = Plugin

  $.fn.carousel.Constructor = Carousel

  // CAROUSEL NO CONFLICT

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

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

    $.fn.carousel = old

    return this

  }

  // CAROUSEL DATA-API

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

  var clickHandler = function (e) {

    var href

    var $this   = $(this)

    var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7

    if (!$target.hasClass('carousel')) return

    var options = $.extend({}, $target.data(), $this.data())

    var slideIndex = $this.attr('data-slide-to')

    if (slideIndex) options.interval = false

    Plugin.call($target, options)

    if (slideIndex) {

      $target.data('bs.carousel').to(slideIndex)

    }

    e.preventDefault()

  }

  $(document)

    .on('click.bs.carousel.data-api', '[data-slide]', clickHandler)

    .on('click.bs.carousel.data-api', '[data-slide-to]', clickHandler)

  $(window).on('load', function () {

    $('[data-ride="carousel"]').each(function () {

      var $carousel = $(this)

      Plugin.call($carousel, $carousel.data())

    })

  })

}(jQuery);