520 lines
16 KiB
JavaScript
520 lines
16 KiB
JavaScript
/* ========================================================================
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* Bootstrap: tooltip.js v3.3.7
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* http://getbootstrap.com/javascript/#tooltip
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* Inspired by the original jQuery.tipsy by Jason Frame
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* ========================================================================
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* Copyright 2011-2016 Twitter, Inc.
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* ======================================================================== */
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+function ($) {
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'use strict';
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// TOOLTIP PUBLIC CLASS DEFINITION
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// ===============================
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var Tooltip = function (element, options) {
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this.type = null
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this.options = null
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this.enabled = null
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this.timeout = null
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this.hoverState = null
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this.$element = null
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this.inState = null
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this.init('tooltip', element, options)
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}
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Tooltip.VERSION = '3.3.7'
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Tooltip.TRANSITION_DURATION = 150
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Tooltip.DEFAULTS = {
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animation: true,
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placement: 'top',
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selector: false,
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template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
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trigger: 'hover focus',
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title: '',
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delay: 0,
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html: false,
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container: false,
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viewport: {
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selector: 'body',
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padding: 0
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}
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}
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Tooltip.prototype.init = function (type, element, options) {
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this.enabled = true
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this.type = type
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this.$element = $(element)
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this.options = this.getOptions(options)
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this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
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this.inState = { click: false, hover: false, focus: false }
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if (this.$element[0] instanceof document.constructor && !this.options.selector) {
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throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!')
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}
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var triggers = this.options.trigger.split(' ')
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for (var i = triggers.length; i--;) {
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var trigger = triggers[i]
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if (trigger == 'click') {
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this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
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} else if (trigger != 'manual') {
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var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin'
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var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
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this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
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this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
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}
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}
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this.options.selector ?
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(this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
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this.fixTitle()
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}
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Tooltip.prototype.getDefaults = function () {
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return Tooltip.DEFAULTS
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}
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Tooltip.prototype.getOptions = function (options) {
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options = $.extend({}, this.getDefaults(), this.$element.data(), options)
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if (options.delay && typeof options.delay == 'number') {
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options.delay = {
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show: options.delay,
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hide: options.delay
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}
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}
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return options
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}
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Tooltip.prototype.getDelegateOptions = function () {
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var options = {}
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var defaults = this.getDefaults()
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this._options && $.each(this._options, function (key, value) {
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if (defaults[key] != value) options[key] = value
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})
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return options
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}
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Tooltip.prototype.enter = function (obj) {
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var self = obj instanceof this.constructor ?
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obj : $(obj.currentTarget).data('bs.' + this.type)
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if (!self) {
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self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
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$(obj.currentTarget).data('bs.' + this.type, self)
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}
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if (obj instanceof $.Event) {
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self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true
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}
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if (self.tip().hasClass('in') || self.hoverState == 'in') {
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self.hoverState = 'in'
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return
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}
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clearTimeout(self.timeout)
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self.hoverState = 'in'
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if (!self.options.delay || !self.options.delay.show) return self.show()
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self.timeout = setTimeout(function () {
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if (self.hoverState == 'in') self.show()
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}, self.options.delay.show)
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}
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Tooltip.prototype.isInStateTrue = function () {
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for (var key in this.inState) {
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if (this.inState[key]) return true
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}
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return false
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}
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Tooltip.prototype.leave = function (obj) {
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var self = obj instanceof this.constructor ?
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obj : $(obj.currentTarget).data('bs.' + this.type)
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if (!self) {
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self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
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$(obj.currentTarget).data('bs.' + this.type, self)
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}
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if (obj instanceof $.Event) {
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self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false
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}
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if (self.isInStateTrue()) return
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clearTimeout(self.timeout)
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self.hoverState = 'out'
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if (!self.options.delay || !self.options.delay.hide) return self.hide()
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self.timeout = setTimeout(function () {
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if (self.hoverState == 'out') self.hide()
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}, self.options.delay.hide)
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}
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Tooltip.prototype.show = function () {
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var e = $.Event('show.bs.' + this.type)
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if (this.hasContent() && this.enabled) {
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this.$element.trigger(e)
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var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
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if (e.isDefaultPrevented() || !inDom) return
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var that = this
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var $tip = this.tip()
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var tipId = this.getUID(this.type)
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this.setContent()
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$tip.attr('id', tipId)
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this.$element.attr('aria-describedby', tipId)
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if (this.options.animation) $tip.addClass('fade')
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var placement = typeof this.options.placement == 'function' ?
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this.options.placement.call(this, $tip[0], this.$element[0]) :
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this.options.placement
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var autoToken = /\s?auto?\s?/i
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var autoPlace = autoToken.test(placement)
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if (autoPlace) placement = placement.replace(autoToken, '') || 'top'
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$tip
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.detach()
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.css({ top: 0, left: 0, display: 'block' })
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.addClass(placement)
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.data('bs.' + this.type, this)
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this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
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this.$element.trigger('inserted.bs.' + this.type)
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var pos = this.getPosition()
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var actualWidth = $tip[0].offsetWidth
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var actualHeight = $tip[0].offsetHeight
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if (autoPlace) {
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var orgPlacement = placement
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var viewportDim = this.getPosition(this.$viewport)
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placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top' :
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placement == 'top' && pos.top - actualHeight < viewportDim.top ? 'bottom' :
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placement == 'right' && pos.right + actualWidth > viewportDim.width ? 'left' :
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placement == 'left' && pos.left - actualWidth < viewportDim.left ? 'right' :
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placement
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$tip
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.removeClass(orgPlacement)
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.addClass(placement)
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}
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var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
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this.applyPlacement(calculatedOffset, placement)
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var complete = function () {
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var prevHoverState = that.hoverState
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that.$element.trigger('shown.bs.' + that.type)
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that.hoverState = null
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if (prevHoverState == 'out') that.leave(that)
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}
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$.support.transition && this.$tip.hasClass('fade') ?
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$tip
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.one('bsTransitionEnd', complete)
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.emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
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complete()
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}
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}
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Tooltip.prototype.applyPlacement = function (offset, placement) {
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var $tip = this.tip()
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var width = $tip[0].offsetWidth
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var height = $tip[0].offsetHeight
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// manually read margins because getBoundingClientRect includes difference
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var marginTop = parseInt($tip.css('margin-top'), 10)
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var marginLeft = parseInt($tip.css('margin-left'), 10)
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// we must check for NaN for ie 8/9
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if (isNaN(marginTop)) marginTop = 0
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if (isNaN(marginLeft)) marginLeft = 0
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offset.top += marginTop
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offset.left += marginLeft
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// $.fn.offset doesn't round pixel values
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// so we use setOffset directly with our own function B-0
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$.offset.setOffset($tip[0], $.extend({
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using: function (props) {
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$tip.css({
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top: Math.round(props.top),
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left: Math.round(props.left)
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})
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}
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}, offset), 0)
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$tip.addClass('in')
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// check to see if placing tip in new offset caused the tip to resize itself
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var actualWidth = $tip[0].offsetWidth
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var actualHeight = $tip[0].offsetHeight
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if (placement == 'top' && actualHeight != height) {
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offset.top = offset.top + height - actualHeight
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}
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var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
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if (delta.left) offset.left += delta.left
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else offset.top += delta.top
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var isVertical = /top|bottom/.test(placement)
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var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
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var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
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$tip.offset(offset)
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this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
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}
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Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {
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this.arrow()
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.css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
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.css(isVertical ? 'top' : 'left', '')
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}
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Tooltip.prototype.setContent = function () {
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var $tip = this.tip()
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var title = this.getTitle()
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$tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
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$tip.removeClass('fade in top bottom left right')
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}
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Tooltip.prototype.hide = function (callback) {
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var that = this
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var $tip = $(this.$tip)
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var e = $.Event('hide.bs.' + this.type)
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function complete() {
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if (that.hoverState != 'in') $tip.detach()
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if (that.$element) { // TODO: Check whether guarding this code with this `if` is really necessary.
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that.$element
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.removeAttr('aria-describedby')
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.trigger('hidden.bs.' + that.type)
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}
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callback && callback()
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}
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this.$element.trigger(e)
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if (e.isDefaultPrevented()) return
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$tip.removeClass('in')
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$.support.transition && $tip.hasClass('fade') ?
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$tip
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.one('bsTransitionEnd', complete)
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.emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
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complete()
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this.hoverState = null
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return this
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}
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Tooltip.prototype.fixTitle = function () {
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var $e = this.$element
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if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') {
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$e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
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}
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}
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Tooltip.prototype.hasContent = function () {
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return this.getTitle()
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}
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Tooltip.prototype.getPosition = function ($element) {
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$element = $element || this.$element
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var el = $element[0]
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var isBody = el.tagName == 'BODY'
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var elRect = el.getBoundingClientRect()
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if (elRect.width == null) {
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// width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
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elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
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}
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var isSvg = window.SVGElement && el instanceof window.SVGElement
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// Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3.
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// See https://github.com/twbs/bootstrap/issues/20280
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var elOffset = isBody ? { top: 0, left: 0 } : (isSvg ? null : $element.offset())
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var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
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var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
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return $.extend({}, elRect, scroll, outerDims, elOffset)
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}
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Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
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return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } :
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placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
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placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
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/* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
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}
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Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
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var delta = { top: 0, left: 0 }
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if (!this.$viewport) return delta
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var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
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var viewportDimensions = this.getPosition(this.$viewport)
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if (/right|left/.test(placement)) {
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var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll
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var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
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if (topEdgeOffset < viewportDimensions.top) { // top overflow
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delta.top = viewportDimensions.top - topEdgeOffset
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} else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
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delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
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}
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} else {
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var leftEdgeOffset = pos.left - viewportPadding
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var rightEdgeOffset = pos.left + viewportPadding + actualWidth
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if (leftEdgeOffset < viewportDimensions.left) { // left overflow
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delta.left = viewportDimensions.left - leftEdgeOffset
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} else if (rightEdgeOffset > viewportDimensions.right) { // right overflow
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delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
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}
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}
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return delta
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}
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Tooltip.prototype.getTitle = function () {
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var title
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var $e = this.$element
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var o = this.options
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title = $e.attr('data-original-title')
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|| (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)
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return title
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}
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Tooltip.prototype.getUID = function (prefix) {
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do prefix += ~~(Math.random() * 1000000)
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while (document.getElementById(prefix))
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return prefix
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}
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Tooltip.prototype.tip = function () {
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if (!this.$tip) {
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this.$tip = $(this.options.template)
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if (this.$tip.length != 1) {
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throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!')
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}
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}
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return this.$tip
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}
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Tooltip.prototype.arrow = function () {
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return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
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}
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Tooltip.prototype.enable = function () {
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this.enabled = true
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}
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Tooltip.prototype.disable = function () {
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this.enabled = false
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}
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Tooltip.prototype.toggleEnabled = function () {
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this.enabled = !this.enabled
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}
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Tooltip.prototype.toggle = function (e) {
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var self = this
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if (e) {
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self = $(e.currentTarget).data('bs.' + this.type)
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if (!self) {
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self = new this.constructor(e.currentTarget, this.getDelegateOptions())
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$(e.currentTarget).data('bs.' + this.type, self)
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}
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}
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if (e) {
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self.inState.click = !self.inState.click
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if (self.isInStateTrue()) self.enter(self)
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else self.leave(self)
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} else {
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self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
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}
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}
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Tooltip.prototype.destroy = function () {
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var that = this
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clearTimeout(this.timeout)
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this.hide(function () {
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that.$element.off('.' + that.type).removeData('bs.' + that.type)
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if (that.$tip) {
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that.$tip.detach()
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}
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that.$tip = null
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that.$arrow = null
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that.$viewport = null
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that.$element = null
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})
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}
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// TOOLTIP PLUGIN DEFINITION
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// =========================
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function Plugin(option) {
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return this.each(function () {
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var $this = $(this)
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var data = $this.data('bs.tooltip')
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var options = typeof option == 'object' && option
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if (!data && /destroy|hide/.test(option)) return
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if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
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if (typeof option == 'string') data[option]()
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})
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}
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var old = $.fn.tooltip
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$.fn.tooltip = Plugin
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$.fn.tooltip.Constructor = Tooltip
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// TOOLTIP NO CONFLICT
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// ===================
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$.fn.tooltip.noConflict = function () {
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$.fn.tooltip = old
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return this
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}
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}(jQuery);
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