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   1  /* ===========================================================
   2   * bootstrap-tooltip.js v2.0.1
   3   * http://twitter.github.com/bootstrap/javascript.html#tooltips
   4   * Inspired by the original jQuery.tipsy by Jason Frame
   5   * ===========================================================
   6   * Copyright 2012 Twitter, Inc.
   7   *
   8   * Licensed under the Apache License, Version 2.0 (the "License");
   9   * you may not use this file except in compliance with the License.
  10   * You may obtain a copy of the License at
  11   *
  12   * http://www.apache.org/licenses/LICENSE-2.0
  13   *
  14   * Unless required by applicable law or agreed to in writing, software
  15   * distributed under the License is distributed on an "AS IS" BASIS,
  16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17   * See the License for the specific language governing permissions and
  18   * limitations under the License.
  19   * ========================================================== */
  20  
  21  !function( $ ) {
  22  
  23    "use strict"
  24  
  25   /* TOOLTIP PUBLIC CLASS DEFINITION
  26    * =============================== */
  27  
  28    var Tooltip = function ( element, options ) {
  29      this.init('tooltip', element, options)
  30    }
  31  
  32    Tooltip.prototype = {
  33  
  34      constructor: Tooltip
  35  
  36    , init: function ( type, element, options ) {
  37        var eventIn
  38          , eventOut
  39  
  40        this.type = type
  41        this.$element = $(element)
  42        this.options = this.getOptions(options)
  43        this.enabled = true
  44  
  45        if (this.options.trigger != 'manual') {
  46          eventIn  = this.options.trigger == 'hover' ? 'mouseenter' : 'focus'
  47          eventOut = this.options.trigger == 'hover' ? 'mouseleave' : 'blur'
  48          this.$element.on(eventIn, this.options.selector, $.proxy(this.enter, this))
  49          this.$element.on(eventOut, this.options.selector, $.proxy(this.leave, this))
  50        }
  51  
  52        this.options.selector ?
  53          (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
  54          this.fixTitle()
  55      }
  56  
  57    , getOptions: function ( options ) {
  58        options = $.extend({}, $.fn[this.type].defaults, options, this.$element.data())
  59  
  60        if (options.delay && typeof options.delay == 'number') {
  61          options.delay = {
  62            show: options.delay
  63          , hide: options.delay
  64          }
  65        }
  66  
  67        return options
  68      }
  69  
  70    , enter: function ( e ) {
  71        var self = $(e.currentTarget)[this.type](this._options).data(this.type)
  72  
  73        if (!self.options.delay || !self.options.delay.show) {
  74          self.show()
  75        } else {
  76          self.hoverState = 'in'
  77          setTimeout(function() {
  78            if (self.hoverState == 'in') {
  79              self.show()
  80            }
  81          }, self.options.delay.show)
  82        }
  83      }
  84  
  85    , leave: function ( e ) {
  86        var self = $(e.currentTarget)[this.type](this._options).data(this.type)
  87  
  88        if (!self.options.delay || !self.options.delay.hide) {
  89          self.hide()
  90        } else {
  91          self.hoverState = 'out'
  92          setTimeout(function() {
  93            if (self.hoverState == 'out') {
  94              self.hide()
  95            }
  96          }, self.options.delay.hide)
  97        }
  98      }
  99  
 100    , show: function () {
 101        var $tip
 102          , inside
 103          , pos
 104          , actualWidth
 105          , actualHeight
 106          , placement
 107          , tp
 108  
 109        if (this.hasContent() && this.enabled) {
 110          $tip = this.tip()
 111          this.setContent()
 112  
 113          if (this.options.animation) {
 114            $tip.addClass('fade')
 115          }
 116  
 117          placement = typeof this.options.placement == 'function' ?
 118            this.options.placement.call(this, $tip[0], this.$element[0]) :
 119            this.options.placement
 120  
 121          inside = /in/.test(placement)
 122  
 123          $tip
 124            .remove()
 125            .css({ top: 0, left: 0, display: 'block' })
 126            .appendTo(inside ? this.$element : document.body)
 127  
 128          pos = this.getPosition(inside)
 129  
 130          actualWidth = $tip[0].offsetWidth
 131          actualHeight = $tip[0].offsetHeight
 132  
 133          switch (inside ? placement.split(' ')[1] : placement) {
 134            case 'bottom':
 135              tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
 136              break
 137            case 'top':
 138              tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
 139              break
 140            case 'left':
 141              tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
 142              break
 143            case 'right':
 144              tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
 145              break
 146          }
 147  
 148          $tip
 149            .css(tp)
 150            .addClass(placement)
 151            .addClass('in')
 152        }
 153      }
 154  
 155    , setContent: function () {
 156        var $tip = this.tip()
 157        $tip.find('.tooltip-inner').html(this.getTitle())
 158        $tip.removeClass('fade in top bottom left right')
 159      }
 160  
 161    , hide: function () {
 162        var that = this
 163          , $tip = this.tip()
 164  
 165        $tip.removeClass('in')
 166  
 167        function removeWithAnimation() {
 168          var timeout = setTimeout(function () {
 169            $tip.off($.support.transition.end).remove()
 170          }, 500)
 171  
 172          $tip.one($.support.transition.end, function () {
 173            clearTimeout(timeout)
 174            $tip.remove()
 175          })
 176        }
 177  
 178        $.support.transition && this.$tip.hasClass('fade') ?
 179          removeWithAnimation() :
 180          $tip.remove()
 181      }
 182  
 183    , fixTitle: function () {
 184        var $e = this.$element
 185        if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
 186          $e.attr('data-original-title', $e.attr('title') || '').removeAttr('title')
 187        }
 188      }
 189  
 190    , hasContent: function () {
 191        return this.getTitle()
 192      }
 193  
 194    , getPosition: function (inside) {
 195        return $.extend({}, (inside ? {top: 0, left: 0} : this.$element.offset()), {
 196          width: this.$element[0].offsetWidth
 197        , height: this.$element[0].offsetHeight
 198        })
 199      }
 200  
 201    , getTitle: function () {
 202        var title
 203          , $e = this.$element
 204          , o = this.options
 205  
 206        title = $e.attr('data-original-title')
 207          || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
 208  
 209        title = title.toString().replace(/(^\s*|\s*$)/, "")
 210  
 211        return title
 212      }
 213  
 214    , tip: function () {
 215        return this.$tip = this.$tip || $(this.options.template)
 216      }
 217  
 218    , validate: function () {
 219        if (!this.$element[0].parentNode) {
 220          this.hide()
 221          this.$element = null
 222          this.options = null
 223        }
 224      }
 225  
 226    , enable: function () {
 227        this.enabled = true
 228      }
 229  
 230    , disable: function () {
 231        this.enabled = false
 232      }
 233  
 234    , toggleEnabled: function () {
 235        this.enabled = !this.enabled
 236      }
 237  
 238    , toggle: function () {
 239        this[this.tip().hasClass('in') ? 'hide' : 'show']()
 240      }
 241  
 242    }
 243  
 244  
 245   /* TOOLTIP PLUGIN DEFINITION
 246    * ========================= */
 247  
 248    $.fn.tooltip = function ( option ) {
 249      return this.each(function () {
 250        var $this = $(this)
 251          , data = $this.data('tooltip')
 252          , options = typeof option == 'object' && option
 253        if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
 254        if (typeof option == 'string') data[option]()
 255      })
 256    }
 257  
 258    $.fn.tooltip.Constructor = Tooltip
 259  
 260    $.fn.tooltip.defaults = {
 261      animation: true
 262    , delay: 0
 263    , selector: false
 264    , placement: 'top'
 265    , trigger: 'hover'
 266    , title: ''
 267    , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
 268    }
 269  
 270  }( window.jQuery );