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

* Bootstrap: modal.js v3.3.7
* http://getbootstrap.com/javascript/#modals
* ========================================================================
* Copyright 2011-2016 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */

+function ($) {

'use strict';

// MODAL CLASS DEFINITION
// ======================

var Modal = function (element, options) {
  this.options             = options
  this.$body               = $(document.body)
  this.$element            = $(element)
  this.$dialog             = this.$element.find('.modal-dialog')
  this.$backdrop           = null
  this.isShown             = null
  this.originalBodyPad     = null
  this.scrollbarWidth      = 0
  this.ignoreBackdropClick = false

  if (this.options.remote) {
    this.$element
      .find('.modal-content')
      .load(this.options.remote, $.proxy(function () {
        this.$element.trigger('loaded.bs.modal')
      }, this))
  }
}

Modal.VERSION  = '3.3.7'

Modal.TRANSITION_DURATION = 300
Modal.BACKDROP_TRANSITION_DURATION = 150

Modal.DEFAULTS = {
  backdrop: true,
  keyboard: true,
  show: true
}

Modal.prototype.toggle = function (_relatedTarget) {
  return this.isShown ? this.hide() : this.show(_relatedTarget)
}

Modal.prototype.show = function (_relatedTarget) {
  var that = this
  var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })

  this.$element.trigger(e)

  if (this.isShown || e.isDefaultPrevented()) return

  this.isShown = true

  this.checkScrollbar()
  this.setScrollbar()
  this.$body.addClass('modal-open')

  this.escape()
  this.resize()

  this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))

  this.$dialog.on('mousedown.dismiss.bs.modal', function () {
    that.$element.one('mouseup.dismiss.bs.modal', function (e) {
      if ($(e.target).is(that.$element)) that.ignoreBackdropClick = true
    })
  })

  this.backdrop(function () {
    var transition = $.support.transition && that.$element.hasClass('fade')

    if (!that.$element.parent().length) {
      that.$element.appendTo(that.$body) // don't move modals dom position
    }

    that.$element
      .show()
      .scrollTop(0)

    that.adjustDialog()

    if (transition) {
      that.$element[0].offsetWidth // force reflow
    }

    that.$element.addClass('in')

    that.enforceFocus()

    var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })

    transition ?
      that.$dialog // wait for modal to slide in
        .one('bsTransitionEnd', function () {
          that.$element.trigger('focus').trigger(e)
        })
        .emulateTransitionEnd(Modal.TRANSITION_DURATION) :
      that.$element.trigger('focus').trigger(e)
  })
}

Modal.prototype.hide = function (e) {
  if (e) e.preventDefault()

  e = $.Event('hide.bs.modal')

  this.$element.trigger(e)

  if (!this.isShown || e.isDefaultPrevented()) return

  this.isShown = false

  this.escape()
  this.resize()

  $(document).off('focusin.bs.modal')

  this.$element
    .removeClass('in')
    .off('click.dismiss.bs.modal')
    .off('mouseup.dismiss.bs.modal')

  this.$dialog.off('mousedown.dismiss.bs.modal')

  $.support.transition && this.$element.hasClass('fade') ?
    this.$element
      .one('bsTransitionEnd', $.proxy(this.hideModal, this))
      .emulateTransitionEnd(Modal.TRANSITION_DURATION) :
    this.hideModal()
}

Modal.prototype.enforceFocus = function () {
  $(document)
    .off('focusin.bs.modal') // guard against infinite focus loop
    .on('focusin.bs.modal', $.proxy(function (e) {
      if (document !== e.target &&
          this.$element[0] !== e.target &&
          !this.$element.has(e.target).length) {
        this.$element.trigger('focus')
      }
    }, this))
}

Modal.prototype.escape = function () {
  if (this.isShown && this.options.keyboard) {
    this.$element.on('keydown.dismiss.bs.modal', $.proxy(function (e) {
      e.which == 27 && this.hide()
    }, this))
  } else if (!this.isShown) {
    this.$element.off('keydown.dismiss.bs.modal')
  }
}

Modal.prototype.resize = function () {
  if (this.isShown) {
    $(window).on('resize.bs.modal', $.proxy(this.handleUpdate, this))
  } else {
    $(window).off('resize.bs.modal')
  }
}

Modal.prototype.hideModal = function () {
  var that = this
  this.$element.hide()
  this.backdrop(function () {
    that.$body.removeClass('modal-open')
    that.resetAdjustments()
    that.resetScrollbar()
    that.$element.trigger('hidden.bs.modal')
  })
}

Modal.prototype.removeBackdrop = function () {
  this.$backdrop && this.$backdrop.remove()
  this.$backdrop = null
}

Modal.prototype.backdrop = function (callback) {
  var that = this
  var animate = this.$element.hasClass('fade') ? 'fade' : ''

  if (this.isShown && this.options.backdrop) {
    var doAnimate = $.support.transition && animate

    this.$backdrop = $(document.createElement('div'))
      .addClass('modal-backdrop ' + animate)
      .appendTo(this.$body)

    this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {
      if (this.ignoreBackdropClick) {
        this.ignoreBackdropClick = false
        return
      }
      if (e.target !== e.currentTarget) return
      this.options.backdrop == 'static'
        ? this.$element[0].focus()
        : this.hide()
    }, this))

    if (doAnimate) this.$backdrop[0].offsetWidth // force reflow

    this.$backdrop.addClass('in')

    if (!callback) return

    doAnimate ?
      this.$backdrop
        .one('bsTransitionEnd', callback)
        .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
      callback()

  } else if (!this.isShown && this.$backdrop) {
    this.$backdrop.removeClass('in')

    var callbackRemove = function () {
      that.removeBackdrop()
      callback && callback()
    }
    $.support.transition && this.$element.hasClass('fade') ?
      this.$backdrop
        .one('bsTransitionEnd', callbackRemove)
        .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
      callbackRemove()

  } else if (callback) {
    callback()
  }
}

// these following methods are used to handle overflowing modals

Modal.prototype.handleUpdate = function () {
  this.adjustDialog()
}

Modal.prototype.adjustDialog = function () {
  var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight

  this.$element.css({
    paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
    paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
  })
}

Modal.prototype.resetAdjustments = function () {
  this.$element.css({
    paddingLeft: '',
    paddingRight: ''
  })
}

Modal.prototype.checkScrollbar = function () {
  var fullWindowWidth = window.innerWidth
  if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
    var documentElementRect = document.documentElement.getBoundingClientRect()
    fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)
  }
  this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth
  this.scrollbarWidth = this.measureScrollbar()
}

Modal.prototype.setScrollbar = function () {
  var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
  this.originalBodyPad = document.body.style.paddingRight || ''
  if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
}

Modal.prototype.resetScrollbar = function () {
  this.$body.css('padding-right', this.originalBodyPad)
}

Modal.prototype.measureScrollbar = function () { // thx walsh
  var scrollDiv = document.createElement('div')
  scrollDiv.className = 'modal-scrollbar-measure'
  this.$body.append(scrollDiv)
  var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
  this.$body[0].removeChild(scrollDiv)
  return scrollbarWidth
}

// MODAL PLUGIN DEFINITION
// =======================

function Plugin(option, _relatedTarget) {
  return this.each(function () {
    var $this   = $(this)
    var data    = $this.data('bs.modal')
    var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)

    if (!data) $this.data('bs.modal', (data = new Modal(this, options)))
    if (typeof option == 'string') data[option](_relatedTarget)
    else if (options.show) data.show(_relatedTarget)
  })
}

var old = $.fn.modal

$.fn.modal             = Plugin
$.fn.modal.Constructor = Modal

// MODAL NO CONFLICT
// =================

$.fn.modal.noConflict = function () {
  $.fn.modal = old
  return this
}

// MODAL DATA-API
// ==============

$(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
  var $this   = $(this)
  var href    = $this.attr('href')
  var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
  var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())

  if ($this.is('a')) e.preventDefault()

  $target.one('show.bs.modal', function (showEvent) {
    if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown
    $target.one('hidden.bs.modal', function () {
      $this.is(':visible') && $this.trigger('focus')
    })
  })
  Plugin.call($target, option, this)
})

}(jQuery);