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

* Bootstrap: tooltip.js v3.1.0
* http://getbootstrap.com/javascript/#tooltip
* Inspired by the original jQuery.tipsy by Jason Frame
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */

+function ($) {

'use strict';

// TOOLTIP PUBLIC CLASS DEFINITION
// ===============================

var Tooltip = function (element, options) {
  this.type       =
  this.options    =
  this.enabled    =
  this.timeout    =
  this.hoverState =
  this.$element   = null

  this.init('tooltip', element, options)
}

Tooltip.DEFAULTS = {
  animation: true,
  placement: 'top',
  selector: false,
  template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
  trigger: 'hover focus',
  title: '',
  delay: 0,
  html: false,
  container: false
}

Tooltip.prototype.init = function (type, element, options) {
  this.enabled  = true
  this.type     = type
  this.$element = $(element)
  this.options  = this.getOptions(options)

  var triggers = this.options.trigger.split(' ')

  for (var i = triggers.length; i--;) {
    var trigger = triggers[i]

    if (trigger == 'click') {
      this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
    } else if (trigger != 'manual') {
      var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'
      var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'

      this.$element.on(eventIn  + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
      this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
    }
  }

  this.options.selector ?
    (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
    this.fixTitle()
}

Tooltip.prototype.getDefaults = function () {
  return Tooltip.DEFAULTS
}

Tooltip.prototype.getOptions = function (options) {
  options = $.extend({}, this.getDefaults(), this.$element.data(), options)

  if (options.delay && typeof options.delay == 'number') {
    options.delay = {
      show: options.delay,
      hide: options.delay
    }
  }

  return options
}

Tooltip.prototype.getDelegateOptions = function () {
  var options  = {}
  var defaults = this.getDefaults()

  this._options && $.each(this._options, function (key, value) {
    if (defaults[key] != value) options[key] = value
  })

  return options
}

Tooltip.prototype.enter = function (obj) {
  var self = obj instanceof this.constructor ?
    obj : $(obj.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type)

  clearTimeout(self.timeout)

  self.hoverState = 'in'

  if (!self.options.delay || !self.options.delay.show) return self.show()

  self.timeout = setTimeout(function () {
    if (self.hoverState == 'in') self.show()
  }, self.options.delay.show)
}

Tooltip.prototype.leave = function (obj) {
  var self = obj instanceof this.constructor ?
    obj : $(obj.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type)

  clearTimeout(self.timeout)

  self.hoverState = 'out'

  if (!self.options.delay || !self.options.delay.hide) return self.hide()

  self.timeout = setTimeout(function () {
    if (self.hoverState == 'out') self.hide()
  }, self.options.delay.hide)
}

Tooltip.prototype.show = function () {
  var e = $.Event('show.bs.' + this.type)

  if (this.hasContent() && this.enabled) {
    this.$element.trigger(e)

    if (e.isDefaultPrevented()) return
    var that = this;

    var $tip = this.tip()

    this.setContent()

    if (this.options.animation) $tip.addClass('fade')

    var placement = typeof this.options.placement == 'function' ?
      this.options.placement.call(this, $tip[0], this.$element[0]) :
      this.options.placement

    var autoToken = /\s?auto?\s?/i
    var autoPlace = autoToken.test(placement)
    if (autoPlace) placement = placement.replace(autoToken, '') || 'top'

    $tip
      .detach()
      .css({ top: 0, left: 0, display: 'block' })
      .addClass(placement)

    this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)

    var pos          = this.getPosition()
    var actualWidth  = $tip[0].offsetWidth
    var actualHeight = $tip[0].offsetHeight

    if (autoPlace) {
      var $parent = this.$element.parent()

      var orgPlacement = placement
      var docScroll    = document.documentElement.scrollTop || document.body.scrollTop
      var parentWidth  = this.options.container == 'body' ? window.innerWidth  : $parent.outerWidth()
      var parentHeight = this.options.container == 'body' ? window.innerHeight : $parent.outerHeight()
      var parentLeft   = this.options.container == 'body' ? 0 : $parent.offset().left

      placement = placement == 'bottom' && pos.top   + pos.height  + actualHeight - docScroll > parentHeight  ? 'top'    :
                  placement == 'top'    && pos.top   - docScroll   - actualHeight < 0                         ? 'bottom' :
                  placement == 'right'  && pos.right + actualWidth > parentWidth                              ? 'left'   :
                  placement == 'left'   && pos.left  - actualWidth < parentLeft                               ? 'right'  :
                  placement

      $tip
        .removeClass(orgPlacement)
        .addClass(placement)
    }

    var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)

    this.applyPlacement(calculatedOffset, placement)
    this.hoverState = null

    var complete = function() {
      that.$element.trigger('shown.bs.' + that.type)
    }

    $.support.transition && this.$tip.hasClass('fade') ?
      $tip
        .one($.support.transition.end, complete)
        .emulateTransitionEnd(150) :
      complete()
  }
}

Tooltip.prototype.applyPlacement = function (offset, placement) {
  var replace
  var $tip   = this.tip()
  var width  = $tip[0].offsetWidth
  var height = $tip[0].offsetHeight

  // manually read margins because getBoundingClientRect includes difference
  var marginTop = parseInt($tip.css('margin-top'), 10)
  var marginLeft = parseInt($tip.css('margin-left'), 10)

  // we must check for NaN for ie 8/9
  if (isNaN(marginTop))  marginTop  = 0
  if (isNaN(marginLeft)) marginLeft = 0

  offset.top  = offset.top  + marginTop
  offset.left = offset.left + marginLeft

  // $.fn.offset doesn't round pixel values
  // so we use setOffset directly with our own function B-0
  $.offset.setOffset($tip[0], $.extend({
    using: function (props) {
      $tip.css({
        top: Math.round(props.top),
        left: Math.round(props.left)
      })
    }
  }, offset), 0)

  $tip.addClass('in')

  // check to see if placing tip in new offset caused the tip to resize itself
  var actualWidth  = $tip[0].offsetWidth
  var actualHeight = $tip[0].offsetHeight

  if (placement == 'top' && actualHeight != height) {
    replace = true
    offset.top = offset.top + height - actualHeight
  }

  if (/bottom|top/.test(placement)) {
    var delta = 0

    if (offset.left < 0) {
      delta       = offset.left * -2
      offset.left = 0

      $tip.offset(offset)

      actualWidth  = $tip[0].offsetWidth
      actualHeight = $tip[0].offsetHeight
    }

    this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
  } else {
    this.replaceArrow(actualHeight - height, actualHeight, 'top')
  }

  if (replace) $tip.offset(offset)
}

Tooltip.prototype.replaceArrow = function (delta, dimension, position) {
  this.arrow().css(position, delta ? (50 * (1 - delta / dimension) + '%') : '')
}

Tooltip.prototype.setContent = function () {
  var $tip  = this.tip()
  var title = this.getTitle()

  $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
  $tip.removeClass('fade in top bottom left right')
}

Tooltip.prototype.hide = function () {
  var that = this
  var $tip = this.tip()
  var e    = $.Event('hide.bs.' + this.type)

  function complete() {
    if (that.hoverState != 'in') $tip.detach()
    that.$element.trigger('hidden.bs.' + that.type)
  }

  this.$element.trigger(e)

  if (e.isDefaultPrevented()) return

  $tip.removeClass('in')

  $.support.transition && this.$tip.hasClass('fade') ?
    $tip
      .one($.support.transition.end, complete)
      .emulateTransitionEnd(150) :
    complete()

  this.hoverState = null

  return this
}

Tooltip.prototype.fixTitle = function () {
  var $e = this.$element
  if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
    $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
  }
}

Tooltip.prototype.hasContent = function () {
  return this.getTitle()
}

Tooltip.prototype.getPosition = function () {
  var el = this.$element[0]
  return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
    width: el.offsetWidth,
    height: el.offsetHeight
  }, this.$element.offset())
}

Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
  return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualWidth / 2  } :
         placement == 'top'    ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2  } :
         placement == 'left'   ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
      /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width   }
}

Tooltip.prototype.getTitle = function () {
  var title
  var $e = this.$element
  var o  = this.options

  title = $e.attr('data-original-title')
    || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)

  return title
}

Tooltip.prototype.tip = function () {
  return this.$tip = this.$tip || $(this.options.template)
}

Tooltip.prototype.arrow = function () {
  return this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')
}

Tooltip.prototype.validate = function () {
  if (!this.$element[0].parentNode) {
    this.hide()
    this.$element = null
    this.options  = null
  }
}

Tooltip.prototype.enable = function () {
  this.enabled = true
}

Tooltip.prototype.disable = function () {
  this.enabled = false
}

Tooltip.prototype.toggleEnabled = function () {
  this.enabled = !this.enabled
}

Tooltip.prototype.toggle = function (e) {
  var self = e ? $(e.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type) : this
  self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
}

Tooltip.prototype.destroy = function () {
  clearTimeout(this.timeout)
  this.hide().$element.off('.' + this.type).removeData('bs.' + this.type)
}

// TOOLTIP PLUGIN DEFINITION
// =========================

var old = $.fn.tooltip

$.fn.tooltip = function (option) {
  return this.each(function () {
    var $this   = $(this)
    var data    = $this.data('bs.tooltip')
    var options = typeof option == 'object' && option

    if (!data && option == 'destroy') return
    if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
    if (typeof option == 'string') data[option]()
  })
}

$.fn.tooltip.Constructor = Tooltip

// TOOLTIP NO CONFLICT
// ===================

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

}(jQuery);