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

 * Bootstrap: modal.js v3.3.5

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

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

 * Copyright 2011-2015 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  = '3.3.5'

  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 (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);