1 /* ========================================================================
2 * Bootstrap: tooltip.js v3.3.2
3 * http://getbootstrap.com/javascript/#tooltip
4 * Inspired by the original jQuery.tipsy by Jason Frame
5 * ========================================================================
6 * Copyright 2011-2015 Twitter, Inc.
7 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
8 * ======================================================================== */
14 // TOOLTIP PUBLIC CLASS DEFINITION
15 // ===============================
17 var Tooltip = function (element, options) {
25 this.init('tooltip', element, options)
28 Tooltip.VERSION = '3.3.2'
30 Tooltip.TRANSITION_DURATION = 150
36 template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
37 trigger: 'hover focus',
48 Tooltip.prototype.init = function (type, element, options) {
51 this.$element = $(element)
52 this.options = this.getOptions(options)
53 this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport)
55 var triggers = this.options.trigger.split(' ')
57 for (var i = triggers.length; i--;) {
58 var trigger = triggers[i]
60 if (trigger == 'click') {
61 this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
62 } else if (trigger != 'manual') {
63 var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin'
64 var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
66 this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
67 this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
71 this.options.selector ?
72 (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
76 Tooltip.prototype.getDefaults = function () {
77 return Tooltip.DEFAULTS
80 Tooltip.prototype.getOptions = function (options) {
81 options = $.extend({}, this.getDefaults(), this.$element.data(), options)
83 if (options.delay && typeof options.delay == 'number') {
93 Tooltip.prototype.getDelegateOptions = function () {
95 var defaults = this.getDefaults()
97 this._options && $.each(this._options, function (key, value) {
98 if (defaults[key] != value) options[key] = value
104 Tooltip.prototype.enter = function (obj) {
105 var self = obj instanceof this.constructor ?
106 obj : $(obj.currentTarget).data('bs.' + this.type)
108 if (self && self.$tip && self.$tip.is(':visible')) {
109 self.hoverState = 'in'
114 self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
115 $(obj.currentTarget).data('bs.' + this.type, self)
118 clearTimeout(self.timeout)
120 self.hoverState = 'in'
122 if (!self.options.delay || !self.options.delay.show) return self.show()
124 self.timeout = setTimeout(function () {
125 if (self.hoverState == 'in') self.show()
126 }, self.options.delay.show)
129 Tooltip.prototype.leave = function (obj) {
130 var self = obj instanceof this.constructor ?
131 obj : $(obj.currentTarget).data('bs.' + this.type)
134 self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
135 $(obj.currentTarget).data('bs.' + this.type, self)
138 clearTimeout(self.timeout)
140 self.hoverState = 'out'
142 if (!self.options.delay || !self.options.delay.hide) return self.hide()
144 self.timeout = setTimeout(function () {
145 if (self.hoverState == 'out') self.hide()
146 }, self.options.delay.hide)
149 Tooltip.prototype.show = function () {
150 var e = $.Event('show.bs.' + this.type)
152 if (this.hasContent() && this.enabled) {
153 this.$element.trigger(e)
155 var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
156 if (e.isDefaultPrevented() || !inDom) return
159 var $tip = this.tip()
161 var tipId = this.getUID(this.type)
164 $tip.attr('id', tipId)
165 this.$element.attr('aria-describedby', tipId)
167 if (this.options.animation) $tip.addClass('fade')
169 var placement = typeof this.options.placement == 'function' ?
170 this.options.placement.call(this, $tip[0], this.$element[0]) :
171 this.options.placement
173 var autoToken = /\s?auto?\s?/i
174 var autoPlace = autoToken.test(placement)
175 if (autoPlace) placement = placement.replace(autoToken, '') || 'top'
179 .css({ top: 0, left: 0, display: 'block' })
181 .data('bs.' + this.type, this)
183 this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
185 var pos = this.getPosition()
186 var actualWidth = $tip[0].offsetWidth
187 var actualHeight = $tip[0].offsetHeight
190 var orgPlacement = placement
191 var $container = this.options.container ? $(this.options.container) : this.$element.parent()
192 var containerDim = this.getPosition($container)
194 placement = placement == 'bottom' && pos.bottom + actualHeight > containerDim.bottom ? 'top' :
195 placement == 'top' && pos.top - actualHeight < containerDim.top ? 'bottom' :
196 placement == 'right' && pos.right + actualWidth > containerDim.width ? 'left' :
197 placement == 'left' && pos.left - actualWidth < containerDim.left ? 'right' :
201 .removeClass(orgPlacement)
205 var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
207 this.applyPlacement(calculatedOffset, placement)
209 var complete = function () {
210 var prevHoverState = that.hoverState
211 that.$element.trigger('shown.bs.' + that.type)
212 that.hoverState = null
214 if (prevHoverState == 'out') that.leave(that)
217 $.support.transition && this.$tip.hasClass('fade') ?
219 .one('bsTransitionEnd', complete)
220 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
225 Tooltip.prototype.applyPlacement = function (offset, placement) {
226 var $tip = this.tip()
227 var width = $tip[0].offsetWidth
228 var height = $tip[0].offsetHeight
230 // manually read margins because getBoundingClientRect includes difference
231 var marginTop = parseInt($tip.css('margin-top'), 10)
232 var marginLeft = parseInt($tip.css('margin-left'), 10)
234 // we must check for NaN for ie 8/9
235 if (isNaN(marginTop)) marginTop = 0
236 if (isNaN(marginLeft)) marginLeft = 0
238 offset.top = offset.top + marginTop
239 offset.left = offset.left + marginLeft
241 // $.fn.offset doesn't round pixel values
242 // so we use setOffset directly with our own function B-0
243 $.offset.setOffset($tip[0], $.extend({
244 using: function (props) {
246 top: Math.round(props.top),
247 left: Math.round(props.left)
254 // check to see if placing tip in new offset caused the tip to resize itself
255 var actualWidth = $tip[0].offsetWidth
256 var actualHeight = $tip[0].offsetHeight
258 if (placement == 'top' && actualHeight != height) {
259 offset.top = offset.top + height - actualHeight
262 var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
264 if (delta.left) offset.left += delta.left
265 else offset.top += delta.top
267 var isVertical = /top|bottom/.test(placement)
268 var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
269 var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
272 this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
275 Tooltip.prototype.replaceArrow = function (delta, dimension, isHorizontal) {
277 .css(isHorizontal ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
278 .css(isHorizontal ? 'top' : 'left', '')
281 Tooltip.prototype.setContent = function () {
282 var $tip = this.tip()
283 var title = this.getTitle()
285 $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
286 $tip.removeClass('fade in top bottom left right')
289 Tooltip.prototype.hide = function (callback) {
291 var $tip = this.tip()
292 var e = $.Event('hide.bs.' + this.type)
294 function complete() {
295 if (that.hoverState != 'in') $tip.detach()
297 .removeAttr('aria-describedby')
298 .trigger('hidden.bs.' + that.type)
299 callback && callback()
302 this.$element.trigger(e)
304 if (e.isDefaultPrevented()) return
306 $tip.removeClass('in')
308 $.support.transition && this.$tip.hasClass('fade') ?
310 .one('bsTransitionEnd', complete)
311 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
314 this.hoverState = null
319 Tooltip.prototype.fixTitle = function () {
320 var $e = this.$element
321 if ($e.attr('title') || typeof ($e.attr('data-original-title')) != 'string') {
322 $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
326 Tooltip.prototype.hasContent = function () {
327 return this.getTitle()
330 Tooltip.prototype.getPosition = function ($element) {
331 $element = $element || this.$element
334 var isBody = el.tagName == 'BODY'
336 var elRect = el.getBoundingClientRect()
337 if (elRect.width == null) {
338 // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
339 elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
341 var elOffset = isBody ? { top: 0, left: 0 } : $element.offset()
342 var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
343 var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
345 return $.extend({}, elRect, scroll, outerDims, elOffset)
348 Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
349 return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } :
350 placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
351 placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
352 /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
356 Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
357 var delta = { top: 0, left: 0 }
358 if (!this.$viewport) return delta
360 var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
361 var viewportDimensions = this.getPosition(this.$viewport)
363 if (/right|left/.test(placement)) {
364 var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll
365 var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
366 if (topEdgeOffset < viewportDimensions.top) { // top overflow
367 delta.top = viewportDimensions.top - topEdgeOffset
368 } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
369 delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
372 var leftEdgeOffset = pos.left - viewportPadding
373 var rightEdgeOffset = pos.left + viewportPadding + actualWidth
374 if (leftEdgeOffset < viewportDimensions.left) { // left overflow
375 delta.left = viewportDimensions.left - leftEdgeOffset
376 } else if (rightEdgeOffset > viewportDimensions.width) { // right overflow
377 delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
384 Tooltip.prototype.getTitle = function () {
386 var $e = this.$element
389 title = $e.attr('data-original-title')
390 || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)
395 Tooltip.prototype.getUID = function (prefix) {
396 do prefix += ~~(Math.random() * 1000000)
397 while (document.getElementById(prefix))
401 Tooltip.prototype.tip = function () {
402 return (this.$tip = this.$tip || $(this.options.template))
405 Tooltip.prototype.arrow = function () {
406 return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
409 Tooltip.prototype.enable = function () {
413 Tooltip.prototype.disable = function () {
417 Tooltip.prototype.toggleEnabled = function () {
418 this.enabled = !this.enabled
421 Tooltip.prototype.toggle = function (e) {
424 self = $(e.currentTarget).data('bs.' + this.type)
426 self = new this.constructor(e.currentTarget, this.getDelegateOptions())
427 $(e.currentTarget).data('bs.' + this.type, self)
431 self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
434 Tooltip.prototype.destroy = function () {
436 clearTimeout(this.timeout)
437 this.hide(function () {
438 that.$element.off('.' + that.type).removeData('bs.' + that.type)
443 // TOOLTIP PLUGIN DEFINITION
444 // =========================
446 function Plugin(option) {
447 return this.each(function () {
449 var data = $this.data('bs.tooltip')
450 var options = typeof option == 'object' && option
452 if (!data && option == 'destroy') return
453 if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
454 if (typeof option == 'string') data[option]()
458 var old = $.fn.tooltip
460 $.fn.tooltip = Plugin
461 $.fn.tooltip.Constructor = Tooltip
464 // TOOLTIP NO CONFLICT
465 // ===================
467 $.fn.tooltip.noConflict = function () {