1 /* ========================================================================
2 * Bootstrap: tooltip.js v3.3.7
3 * http://getbootstrap.com/javascript/#tooltip
4 * Inspired by the original jQuery.tipsy by Jason Frame
5 * ========================================================================
6 * Copyright 2011-2016 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) {
22 this.hoverState = null
26 this.init('tooltip', element, options)
29 Tooltip.VERSION = '3.3.7'
31 Tooltip.TRANSITION_DURATION = 150
37 template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
38 trigger: 'hover focus',
49 Tooltip.prototype.init = function (type, element, options) {
52 this.$element = $(element)
53 this.options = this.getOptions(options)
54 this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
55 this.inState = { click: false, hover: false, focus: false }
57 if (this.$element[0] instanceof document.constructor && !this.options.selector) {
58 throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!')
61 var triggers = this.options.trigger.split(' ')
63 for (var i = triggers.length; i--;) {
64 var trigger = triggers[i]
66 if (trigger == 'click') {
67 this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
68 } else if (trigger != 'manual') {
69 var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin'
70 var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
72 this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
73 this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
77 this.options.selector ?
78 (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
82 Tooltip.prototype.getDefaults = function () {
83 return Tooltip.DEFAULTS
86 Tooltip.prototype.getOptions = function (options) {
87 options = $.extend({}, this.getDefaults(), this.$element.data(), options)
89 if (options.delay && typeof options.delay == 'number') {
99 Tooltip.prototype.getDelegateOptions = function () {
101 var defaults = this.getDefaults()
103 this._options && $.each(this._options, function (key, value) {
104 if (defaults[key] != value) options[key] = value
110 Tooltip.prototype.enter = function (obj) {
111 var self = obj instanceof this.constructor ?
112 obj : $(obj.currentTarget).data('bs.' + this.type)
115 self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
116 $(obj.currentTarget).data('bs.' + this.type, self)
119 if (obj instanceof $.Event) {
120 self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true
123 if (self.tip().hasClass('in') || self.hoverState == 'in') {
124 self.hoverState = 'in'
128 clearTimeout(self.timeout)
130 self.hoverState = 'in'
132 if (!self.options.delay || !self.options.delay.show) return self.show()
134 self.timeout = setTimeout(function () {
135 if (self.hoverState == 'in') self.show()
136 }, self.options.delay.show)
139 Tooltip.prototype.isInStateTrue = function () {
140 for (var key in this.inState) {
141 if (this.inState[key]) return true
147 Tooltip.prototype.leave = function (obj) {
148 var self = obj instanceof this.constructor ?
149 obj : $(obj.currentTarget).data('bs.' + this.type)
152 self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
153 $(obj.currentTarget).data('bs.' + this.type, self)
156 if (obj instanceof $.Event) {
157 self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false
160 if (self.isInStateTrue()) return
162 clearTimeout(self.timeout)
164 self.hoverState = 'out'
166 if (!self.options.delay || !self.options.delay.hide) return self.hide()
168 self.timeout = setTimeout(function () {
169 if (self.hoverState == 'out') self.hide()
170 }, self.options.delay.hide)
173 Tooltip.prototype.show = function () {
174 var e = $.Event('show.bs.' + this.type)
176 if (this.hasContent() && this.enabled) {
177 this.$element.trigger(e)
179 var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
180 if (e.isDefaultPrevented() || !inDom) return
183 var $tip = this.tip()
185 var tipId = this.getUID(this.type)
188 $tip.attr('id', tipId)
189 this.$element.attr('aria-describedby', tipId)
191 if (this.options.animation) $tip.addClass('fade')
193 var placement = typeof this.options.placement == 'function' ?
194 this.options.placement.call(this, $tip[0], this.$element[0]) :
195 this.options.placement
197 var autoToken = /\s?auto?\s?/i
198 var autoPlace = autoToken.test(placement)
199 if (autoPlace) placement = placement.replace(autoToken, '') || 'top'
203 .css({ top: 0, left: 0, display: 'block' })
205 .data('bs.' + this.type, this)
207 this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
208 this.$element.trigger('inserted.bs.' + this.type)
210 var pos = this.getPosition()
211 var actualWidth = $tip[0].offsetWidth
212 var actualHeight = $tip[0].offsetHeight
215 var orgPlacement = placement
216 var viewportDim = this.getPosition(this.$viewport)
218 placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top' :
219 placement == 'top' && pos.top - actualHeight < viewportDim.top ? 'bottom' :
220 placement == 'right' && pos.right + actualWidth > viewportDim.width ? 'left' :
221 placement == 'left' && pos.left - actualWidth < viewportDim.left ? 'right' :
225 .removeClass(orgPlacement)
229 var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
231 this.applyPlacement(calculatedOffset, placement)
233 var complete = function () {
234 var prevHoverState = that.hoverState
235 that.$element.trigger('shown.bs.' + that.type)
236 that.hoverState = null
238 if (prevHoverState == 'out') that.leave(that)
241 $.support.transition && this.$tip.hasClass('fade') ?
243 .one('bsTransitionEnd', complete)
244 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
249 Tooltip.prototype.applyPlacement = function (offset, placement) {
250 var $tip = this.tip()
251 var width = $tip[0].offsetWidth
252 var height = $tip[0].offsetHeight
254 // manually read margins because getBoundingClientRect includes difference
255 var marginTop = parseInt($tip.css('margin-top'), 10)
256 var marginLeft = parseInt($tip.css('margin-left'), 10)
258 // we must check for NaN for ie 8/9
259 if (isNaN(marginTop)) marginTop = 0
260 if (isNaN(marginLeft)) marginLeft = 0
262 offset.top += marginTop
263 offset.left += marginLeft
265 // $.fn.offset doesn't round pixel values
266 // so we use setOffset directly with our own function B-0
267 $.offset.setOffset($tip[0], $.extend({
268 using: function (props) {
270 top: Math.round(props.top),
271 left: Math.round(props.left)
278 // check to see if placing tip in new offset caused the tip to resize itself
279 var actualWidth = $tip[0].offsetWidth
280 var actualHeight = $tip[0].offsetHeight
282 if (placement == 'top' && actualHeight != height) {
283 offset.top = offset.top + height - actualHeight
286 var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
288 if (delta.left) offset.left += delta.left
289 else offset.top += delta.top
291 var isVertical = /top|bottom/.test(placement)
292 var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
293 var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
296 this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
299 Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {
301 .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
302 .css(isVertical ? 'top' : 'left', '')
305 Tooltip.prototype.setContent = function () {
306 var $tip = this.tip()
307 var title = this.getTitle()
309 $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
310 $tip.removeClass('fade in top bottom left right')
313 Tooltip.prototype.hide = function (callback) {
315 var $tip = $(this.$tip)
316 var e = $.Event('hide.bs.' + this.type)
318 function complete() {
319 if (that.hoverState != 'in') $tip.detach()
320 if (that.$element) { // TODO: Check whether guarding this code with this `if` is really necessary.
322 .removeAttr('aria-describedby')
323 .trigger('hidden.bs.' + that.type)
325 callback && callback()
328 this.$element.trigger(e)
330 if (e.isDefaultPrevented()) return
332 $tip.removeClass('in')
334 $.support.transition && $tip.hasClass('fade') ?
336 .one('bsTransitionEnd', complete)
337 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
340 this.hoverState = null
345 Tooltip.prototype.fixTitle = function () {
346 var $e = this.$element
347 if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') {
348 $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
352 Tooltip.prototype.hasContent = function () {
353 return this.getTitle()
356 Tooltip.prototype.getPosition = function ($element) {
357 $element = $element || this.$element
360 var isBody = el.tagName == 'BODY'
362 var elRect = el.getBoundingClientRect()
363 if (elRect.width == null) {
364 // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
365 elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
367 var isSvg = window.SVGElement && el instanceof window.SVGElement
368 // Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3.
369 // See https://github.com/twbs/bootstrap/issues/20280
370 var elOffset = isBody ? { top: 0, left: 0 } : (isSvg ? null : $element.offset())
371 var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
372 var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
374 return $.extend({}, elRect, scroll, outerDims, elOffset)
377 Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
378 return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } :
379 placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
380 placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
381 /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
385 Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
386 var delta = { top: 0, left: 0 }
387 if (!this.$viewport) return delta
389 var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
390 var viewportDimensions = this.getPosition(this.$viewport)
392 if (/right|left/.test(placement)) {
393 var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll
394 var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
395 if (topEdgeOffset < viewportDimensions.top) { // top overflow
396 delta.top = viewportDimensions.top - topEdgeOffset
397 } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
398 delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
401 var leftEdgeOffset = pos.left - viewportPadding
402 var rightEdgeOffset = pos.left + viewportPadding + actualWidth
403 if (leftEdgeOffset < viewportDimensions.left) { // left overflow
404 delta.left = viewportDimensions.left - leftEdgeOffset
405 } else if (rightEdgeOffset > viewportDimensions.right) { // right overflow
406 delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
413 Tooltip.prototype.getTitle = function () {
415 var $e = this.$element
418 title = $e.attr('data-original-title')
419 || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)
424 Tooltip.prototype.getUID = function (prefix) {
425 do prefix += ~~(Math.random() * 1000000)
426 while (document.getElementById(prefix))
430 Tooltip.prototype.tip = function () {
432 this.$tip = $(this.options.template)
433 if (this.$tip.length != 1) {
434 throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!')
440 Tooltip.prototype.arrow = function () {
441 return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
444 Tooltip.prototype.enable = function () {
448 Tooltip.prototype.disable = function () {
452 Tooltip.prototype.toggleEnabled = function () {
453 this.enabled = !this.enabled
456 Tooltip.prototype.toggle = function (e) {
459 self = $(e.currentTarget).data('bs.' + this.type)
461 self = new this.constructor(e.currentTarget, this.getDelegateOptions())
462 $(e.currentTarget).data('bs.' + this.type, self)
467 self.inState.click = !self.inState.click
468 if (self.isInStateTrue()) self.enter(self)
469 else self.leave(self)
471 self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
475 Tooltip.prototype.destroy = function () {
477 clearTimeout(this.timeout)
478 this.hide(function () {
479 that.$element.off('.' + that.type).removeData('bs.' + that.type)
485 that.$viewport = null
491 // TOOLTIP PLUGIN DEFINITION
492 // =========================
494 function Plugin(option) {
495 return this.each(function () {
497 var data = $this.data('bs.tooltip')
498 var options = typeof option == 'object' && option
500 if (!data && /destroy|hide/.test(option)) return
501 if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
502 if (typeof option == 'string') data[option]()
506 var old = $.fn.tooltip
508 $.fn.tooltip = Plugin
509 $.fn.tooltip.Constructor = Tooltip
512 // TOOLTIP NO CONFLICT
513 // ===================
515 $.fn.tooltip.noConflict = function () {