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

* bootstrap-tooltip.js v2.3.1
* http://twitter.github.com/bootstrap/javascript.html#tooltips
* Inspired by the original jQuery.tipsy by Jason Frame
* ===========================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */

!function ($) {

 "use strict"; // jshint ;_;

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

 var Tooltip = function (element, options) {
   this.init('tooltip', element, options)
 }

 Tooltip.prototype = {

   constructor: Tooltip

 , init: function (type, element, options) {
     var eventIn
       , eventOut
       , triggers
       , trigger
       , i

     this.type = type
     this.$element = $(element)
     this.options = this.getOptions(options)
     this.enabled = true

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

     for (i = triggers.length; i--;) {
       trigger = triggers[i]
       if (trigger == 'click') {
         this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
       } else if (trigger != 'manual') {
         eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
         eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
         this.$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()
   }

 , getOptions: function (options) {
     options = $.extend({}, $.fn[this.type].defaults, this.$element.data(), options)

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

     return options
   }

 , enter: function (e) {
     var defaults = $.fn[this.type].defaults
       , options = {}
       , self

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

     self = $(e.currentTarget)[this.type](options).data(this.type)

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

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

 , leave: function (e) {
     var self = $(e.currentTarget)[this.type](this._options).data(this.type)

     if (this.timeout) clearTimeout(this.timeout)
     if (!self.options.delay || !self.options.delay.hide) return self.hide()

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

 , show: function () {
     var $tip
       , pos
       , actualWidth
       , actualHeight
       , placement
       , tp
       , e = $.Event('show')

     if (this.hasContent() && this.enabled) {
       this.$element.trigger(e)
       if (e.isDefaultPrevented()) return
       $tip = this.tip()
       this.setContent()

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

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

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

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

       pos = this.getPosition()

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

       switch (placement) {
         case 'bottom':
           tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
           break
         case 'top':
           tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
           break
         case 'left':
           tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
           break
         case 'right':
           tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
           break
       }

       this.applyPlacement(tp, placement)
       this.$element.trigger('shown')
     }
   }

 , applyPlacement: function(offset, placement){
     var $tip = this.tip()
       , width = $tip[0].offsetWidth
       , height = $tip[0].offsetHeight
       , actualWidth
       , actualHeight
       , delta
       , replace

     $tip
       .offset(offset)
       .addClass(placement)
       .addClass('in')

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

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

     if (placement == 'bottom' || placement == 'top') {
       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)
   }

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

 , setContent: function () {
     var $tip = this.tip()
       , title = this.getTitle()

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

 , hide: function () {
     var that = this
       , $tip = this.tip()
       , e = $.Event('hide')

     this.$element.trigger(e)
     if (e.isDefaultPrevented()) return

     $tip.removeClass('in')

     function removeWithAnimation() {
       var timeout = setTimeout(function () {
         $tip.off($.support.transition.end).detach()
       }, 500)

       $tip.one($.support.transition.end, function () {
         clearTimeout(timeout)
         $tip.detach()
       })
     }

     $.support.transition && this.$tip.hasClass('fade') ?
       removeWithAnimation() :
       $tip.detach()

     this.$element.trigger('hidden')

     return this
   }

 , 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', '')
     }
   }

 , hasContent: function () {
     return this.getTitle()
   }

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

 , getTitle: function () {
     var title
       , $e = this.$element
       , o = this.options

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

     return title
   }

 , tip: function () {
     return this.$tip = this.$tip || $(this.options.template)
   }

 , arrow: function(){
     return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
   }

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

 , enable: function () {
     this.enabled = true
   }

 , disable: function () {
     this.enabled = false
   }

 , toggleEnabled: function () {
     this.enabled = !this.enabled
   }

 , toggle: function (e) {
     var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
     self.tip().hasClass('in') ? self.hide() : self.show()
   }

 , destroy: function () {
     this.hide().$element.off('.' + this.type).removeData(this.type)
   }

 }

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

 var old = $.fn.tooltip

 $.fn.tooltip = function ( option ) {
   return this.each(function () {
     var $this = $(this)
       , data = $this.data('tooltip')
       , options = typeof option == 'object' && option
     if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
     if (typeof option == 'string') data[option]()
   })
 }

 $.fn.tooltip.Constructor = Tooltip

 $.fn.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 NO CONFLICT
 * =================== */

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

}(window.jQuery);