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1 /* ======================================================================== |
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2 * Bootstrap: tooltip.js v3.3.5 |
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3 * http://getbootstrap.com/javascript/#tooltip |
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4 * Inspired by the original jQuery.tipsy by Jason Frame |
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5 * ======================================================================== |
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6 * Copyright 2011-2015 Twitter, Inc. |
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7 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) |
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8 * ======================================================================== */ |
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9 |
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10 |
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11 +function ($) { |
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12 'use strict'; |
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13 |
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14 // TOOLTIP PUBLIC CLASS DEFINITION |
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15 // =============================== |
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16 |
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17 var Tooltip = function (element, options) { |
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18 this.type = null |
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19 this.options = null |
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20 this.enabled = null |
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21 this.timeout = null |
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22 this.hoverState = null |
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23 this.$element = null |
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24 this.inState = null |
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25 |
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26 this.init('tooltip', element, options) |
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27 } |
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28 |
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29 Tooltip.VERSION = '3.3.5' |
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30 |
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31 Tooltip.TRANSITION_DURATION = 150 |
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32 |
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33 Tooltip.DEFAULTS = { |
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34 animation: true, |
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35 placement: 'top', |
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36 selector: false, |
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37 template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>', |
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38 trigger: 'hover focus', |
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39 title: '', |
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40 delay: 0, |
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41 html: false, |
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42 container: false, |
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43 viewport: { |
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44 selector: 'body', |
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45 padding: 0 |
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46 } |
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47 } |
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48 |
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49 Tooltip.prototype.init = function (type, element, options) { |
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50 this.enabled = true |
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51 this.type = type |
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52 this.$element = $(element) |
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53 this.options = this.getOptions(options) |
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54 this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport)) |
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55 this.inState = { click: false, hover: false, focus: false } |
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56 |
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57 if (this.$element[0] instanceof document.constructor && !this.options.selector) { |
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58 throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!') |
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59 } |
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60 |
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61 var triggers = this.options.trigger.split(' ') |
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62 |
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63 for (var i = triggers.length; i--;) { |
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64 var trigger = triggers[i] |
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65 |
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66 if (trigger == 'click') { |
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67 this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this)) |
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68 } else if (trigger != 'manual') { |
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69 var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin' |
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70 var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout' |
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71 |
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72 this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this)) |
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73 this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this)) |
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74 } |
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75 } |
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76 |
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77 this.options.selector ? |
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78 (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) : |
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79 this.fixTitle() |
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80 } |
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81 |
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82 Tooltip.prototype.getDefaults = function () { |
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83 return Tooltip.DEFAULTS |
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84 } |
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85 |
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86 Tooltip.prototype.getOptions = function (options) { |
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87 options = $.extend({}, this.getDefaults(), this.$element.data(), options) |
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88 |
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89 if (options.delay && typeof options.delay == 'number') { |
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90 options.delay = { |
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91 show: options.delay, |
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92 hide: options.delay |
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93 } |
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94 } |
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95 |
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96 return options |
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97 } |
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98 |
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99 Tooltip.prototype.getDelegateOptions = function () { |
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100 var options = {} |
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101 var defaults = this.getDefaults() |
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102 |
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103 this._options && $.each(this._options, function (key, value) { |
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104 if (defaults[key] != value) options[key] = value |
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105 }) |
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106 |
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107 return options |
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108 } |
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109 |
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110 Tooltip.prototype.enter = function (obj) { |
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111 var self = obj instanceof this.constructor ? |
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112 obj : $(obj.currentTarget).data('bs.' + this.type) |
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113 |
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114 if (!self) { |
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115 self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) |
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116 $(obj.currentTarget).data('bs.' + this.type, self) |
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117 } |
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118 |
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119 if (obj instanceof $.Event) { |
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120 self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true |
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121 } |
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122 |
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123 if (self.tip().hasClass('in') || self.hoverState == 'in') { |
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124 self.hoverState = 'in' |
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125 return |
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126 } |
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127 |
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128 clearTimeout(self.timeout) |
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129 |
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130 self.hoverState = 'in' |
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131 |
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132 if (!self.options.delay || !self.options.delay.show) return self.show() |
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133 |
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134 self.timeout = setTimeout(function () { |
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135 if (self.hoverState == 'in') self.show() |
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136 }, self.options.delay.show) |
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137 } |
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138 |
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139 Tooltip.prototype.isInStateTrue = function () { |
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140 for (var key in this.inState) { |
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141 if (this.inState[key]) return true |
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142 } |
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143 |
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144 return false |
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145 } |
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146 |
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147 Tooltip.prototype.leave = function (obj) { |
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148 var self = obj instanceof this.constructor ? |
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149 obj : $(obj.currentTarget).data('bs.' + this.type) |
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150 |
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151 if (!self) { |
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152 self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) |
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153 $(obj.currentTarget).data('bs.' + this.type, self) |
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154 } |
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155 |
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156 if (obj instanceof $.Event) { |
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157 self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false |
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158 } |
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159 |
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160 if (self.isInStateTrue()) return |
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161 |
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162 clearTimeout(self.timeout) |
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163 |
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164 self.hoverState = 'out' |
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165 |
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166 if (!self.options.delay || !self.options.delay.hide) return self.hide() |
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167 |
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168 self.timeout = setTimeout(function () { |
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169 if (self.hoverState == 'out') self.hide() |
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170 }, self.options.delay.hide) |
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171 } |
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172 |
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173 Tooltip.prototype.show = function () { |
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174 var e = $.Event('show.bs.' + this.type) |
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175 |
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176 if (this.hasContent() && this.enabled) { |
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177 this.$element.trigger(e) |
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178 |
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179 var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0]) |
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180 if (e.isDefaultPrevented() || !inDom) return |
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181 var that = this |
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182 |
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183 var $tip = this.tip() |
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184 |
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185 var tipId = this.getUID(this.type) |
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186 |
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187 this.setContent() |
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188 $tip.attr('id', tipId) |
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189 this.$element.attr('aria-describedby', tipId) |
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190 |
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191 if (this.options.animation) $tip.addClass('fade') |
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192 |
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193 var placement = typeof this.options.placement == 'function' ? |
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194 this.options.placement.call(this, $tip[0], this.$element[0]) : |
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195 this.options.placement |
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196 |
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197 var autoToken = /\s?auto?\s?/i |
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198 var autoPlace = autoToken.test(placement) |
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199 if (autoPlace) placement = placement.replace(autoToken, '') || 'top' |
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200 |
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201 $tip |
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202 .detach() |
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203 .css({ top: 0, left: 0, display: 'block' }) |
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204 .addClass(placement) |
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205 .data('bs.' + this.type, this) |
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206 |
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207 this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element) |
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208 this.$element.trigger('inserted.bs.' + this.type) |
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209 |
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210 var pos = this.getPosition() |
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211 var actualWidth = $tip[0].offsetWidth |
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212 var actualHeight = $tip[0].offsetHeight |
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213 |
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214 if (autoPlace) { |
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215 var orgPlacement = placement |
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216 var viewportDim = this.getPosition(this.$viewport) |
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217 |
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218 placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top' : |
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219 placement == 'top' && pos.top - actualHeight < viewportDim.top ? 'bottom' : |
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220 placement == 'right' && pos.right + actualWidth > viewportDim.width ? 'left' : |
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221 placement == 'left' && pos.left - actualWidth < viewportDim.left ? 'right' : |
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222 placement |
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223 |
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224 $tip |
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225 .removeClass(orgPlacement) |
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226 .addClass(placement) |
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227 } |
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228 |
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229 var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight) |
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230 |
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231 this.applyPlacement(calculatedOffset, placement) |
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232 |
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233 var complete = function () { |
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234 var prevHoverState = that.hoverState |
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235 that.$element.trigger('shown.bs.' + that.type) |
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236 that.hoverState = null |
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237 |
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238 if (prevHoverState == 'out') that.leave(that) |
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239 } |
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240 |
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241 $.support.transition && this.$tip.hasClass('fade') ? |
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242 $tip |
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243 .one('bsTransitionEnd', complete) |
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244 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) : |
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245 complete() |
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246 } |
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247 } |
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248 |
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249 Tooltip.prototype.applyPlacement = function (offset, placement) { |
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250 var $tip = this.tip() |
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251 var width = $tip[0].offsetWidth |
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252 var height = $tip[0].offsetHeight |
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253 |
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254 // manually read margins because getBoundingClientRect includes difference |
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255 var marginTop = parseInt($tip.css('margin-top'), 10) |
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256 var marginLeft = parseInt($tip.css('margin-left'), 10) |
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257 |
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258 // we must check for NaN for ie 8/9 |
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259 if (isNaN(marginTop)) marginTop = 0 |
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260 if (isNaN(marginLeft)) marginLeft = 0 |
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261 |
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262 offset.top += marginTop |
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263 offset.left += marginLeft |
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264 |
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265 // $.fn.offset doesn't round pixel values |
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266 // so we use setOffset directly with our own function B-0 |
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267 $.offset.setOffset($tip[0], $.extend({ |
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268 using: function (props) { |
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269 $tip.css({ |
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270 top: Math.round(props.top), |
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271 left: Math.round(props.left) |
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272 }) |
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273 } |
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274 }, offset), 0) |
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275 |
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276 $tip.addClass('in') |
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277 |
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278 // check to see if placing tip in new offset caused the tip to resize itself |
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279 var actualWidth = $tip[0].offsetWidth |
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280 var actualHeight = $tip[0].offsetHeight |
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281 |
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282 if (placement == 'top' && actualHeight != height) { |
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283 offset.top = offset.top + height - actualHeight |
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284 } |
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285 |
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286 var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight) |
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287 |
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288 if (delta.left) offset.left += delta.left |
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289 else offset.top += delta.top |
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290 |
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291 var isVertical = /top|bottom/.test(placement) |
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292 var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight |
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293 var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight' |
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294 |
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295 $tip.offset(offset) |
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296 this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical) |
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297 } |
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298 |
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299 Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) { |
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300 this.arrow() |
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301 .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%') |
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302 .css(isVertical ? 'top' : 'left', '') |
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303 } |
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304 |
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305 Tooltip.prototype.setContent = function () { |
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306 var $tip = this.tip() |
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307 var title = this.getTitle() |
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308 |
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309 $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title) |
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310 $tip.removeClass('fade in top bottom left right') |
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311 } |
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312 |
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313 Tooltip.prototype.hide = function (callback) { |
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314 var that = this |
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315 var $tip = $(this.$tip) |
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316 var e = $.Event('hide.bs.' + this.type) |
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317 |
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318 function complete() { |
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319 if (that.hoverState != 'in') $tip.detach() |
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320 that.$element |
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321 .removeAttr('aria-describedby') |
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322 .trigger('hidden.bs.' + that.type) |
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323 callback && callback() |
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324 } |
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325 |
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326 this.$element.trigger(e) |
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327 |
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328 if (e.isDefaultPrevented()) return |
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329 |
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330 $tip.removeClass('in') |
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331 |
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332 $.support.transition && $tip.hasClass('fade') ? |
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333 $tip |
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334 .one('bsTransitionEnd', complete) |
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335 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) : |
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336 complete() |
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337 |
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338 this.hoverState = null |
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339 |
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340 return this |
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341 } |
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342 |
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343 Tooltip.prototype.fixTitle = function () { |
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344 var $e = this.$element |
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345 if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') { |
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346 $e.attr('data-original-title', $e.attr('title') || '').attr('title', '') |
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347 } |
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348 } |
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349 |
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350 Tooltip.prototype.hasContent = function () { |
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351 return this.getTitle() |
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352 } |
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353 |
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354 Tooltip.prototype.getPosition = function ($element) { |
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355 $element = $element || this.$element |
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356 |
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357 var el = $element[0] |
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358 var isBody = el.tagName == 'BODY' |
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359 |
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360 var elRect = el.getBoundingClientRect() |
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361 if (elRect.width == null) { |
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362 // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093 |
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363 elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top }) |
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364 } |
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365 var elOffset = isBody ? { top: 0, left: 0 } : $element.offset() |
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366 var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() } |
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367 var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null |
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368 |
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369 return $.extend({}, elRect, scroll, outerDims, elOffset) |
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370 } |
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371 |
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372 Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) { |
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373 return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } : |
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374 placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } : |
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375 placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } : |
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376 /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width } |
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377 |
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378 } |
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379 |
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380 Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) { |
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381 var delta = { top: 0, left: 0 } |
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382 if (!this.$viewport) return delta |
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383 |
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384 var viewportPadding = this.options.viewport && this.options.viewport.padding || 0 |
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385 var viewportDimensions = this.getPosition(this.$viewport) |
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386 |
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387 if (/right|left/.test(placement)) { |
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388 var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll |
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389 var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight |
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390 if (topEdgeOffset < viewportDimensions.top) { // top overflow |
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391 delta.top = viewportDimensions.top - topEdgeOffset |
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392 } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow |
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393 delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset |
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394 } |
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395 } else { |
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396 var leftEdgeOffset = pos.left - viewportPadding |
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397 var rightEdgeOffset = pos.left + viewportPadding + actualWidth |
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398 if (leftEdgeOffset < viewportDimensions.left) { // left overflow |
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399 delta.left = viewportDimensions.left - leftEdgeOffset |
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400 } else if (rightEdgeOffset > viewportDimensions.right) { // right overflow |
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401 delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset |
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402 } |
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403 } |
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404 |
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405 return delta |
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406 } |
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407 |
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408 Tooltip.prototype.getTitle = function () { |
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409 var title |
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410 var $e = this.$element |
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411 var o = this.options |
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412 |
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413 title = $e.attr('data-original-title') |
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414 || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title) |
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415 |
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416 return title |
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417 } |
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418 |
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419 Tooltip.prototype.getUID = function (prefix) { |
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420 do prefix += ~~(Math.random() * 1000000) |
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421 while (document.getElementById(prefix)) |
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422 return prefix |
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423 } |
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424 |
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425 Tooltip.prototype.tip = function () { |
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426 if (!this.$tip) { |
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427 this.$tip = $(this.options.template) |
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428 if (this.$tip.length != 1) { |
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429 throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!') |
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430 } |
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431 } |
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432 return this.$tip |
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433 } |
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434 |
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435 Tooltip.prototype.arrow = function () { |
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436 return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')) |
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437 } |
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438 |
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439 Tooltip.prototype.enable = function () { |
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440 this.enabled = true |
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441 } |
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442 |
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443 Tooltip.prototype.disable = function () { |
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444 this.enabled = false |
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445 } |
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446 |
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447 Tooltip.prototype.toggleEnabled = function () { |
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448 this.enabled = !this.enabled |
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449 } |
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450 |
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451 Tooltip.prototype.toggle = function (e) { |
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452 var self = this |
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453 if (e) { |
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454 self = $(e.currentTarget).data('bs.' + this.type) |
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455 if (!self) { |
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456 self = new this.constructor(e.currentTarget, this.getDelegateOptions()) |
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457 $(e.currentTarget).data('bs.' + this.type, self) |
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458 } |
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459 } |
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460 |
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461 if (e) { |
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462 self.inState.click = !self.inState.click |
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463 if (self.isInStateTrue()) self.enter(self) |
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464 else self.leave(self) |
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465 } else { |
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466 self.tip().hasClass('in') ? self.leave(self) : self.enter(self) |
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467 } |
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468 } |
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469 |
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470 Tooltip.prototype.destroy = function () { |
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471 var that = this |
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472 clearTimeout(this.timeout) |
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473 this.hide(function () { |
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474 that.$element.off('.' + that.type).removeData('bs.' + that.type) |
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475 if (that.$tip) { |
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476 that.$tip.detach() |
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477 } |
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478 that.$tip = null |
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479 that.$arrow = null |
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480 that.$viewport = null |
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481 }) |
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482 } |
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483 |
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484 |
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485 // TOOLTIP PLUGIN DEFINITION |
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486 // ========================= |
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487 |
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488 function Plugin(option) { |
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489 return this.each(function () { |
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490 var $this = $(this) |
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491 var data = $this.data('bs.tooltip') |
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492 var options = typeof option == 'object' && option |
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493 |
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494 if (!data && /destroy|hide/.test(option)) return |
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495 if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options))) |
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496 if (typeof option == 'string') data[option]() |
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497 }) |
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498 } |
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499 |
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500 var old = $.fn.tooltip |
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501 |
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502 $.fn.tooltip = Plugin |
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503 $.fn.tooltip.Constructor = Tooltip |
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504 |
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505 |
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506 // TOOLTIP NO CONFLICT |
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507 // =================== |
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508 |
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509 $.fn.tooltip.noConflict = function () { |
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510 $.fn.tooltip = old |
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511 return this |
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512 } |
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513 |
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514 }(jQuery); |