mirror of
https://github.com/twbs/bootstrap.git
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362 lines
9.7 KiB
JavaScript
362 lines
9.7 KiB
JavaScript
/* ===========================================================
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* Bootstrap: tooltip.js v3.0.0
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* http://twitter.github.com/bootstrap/javascript.html#tooltips
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* Inspired by the original jQuery.tipsy by Jason Frame
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* ===========================================================
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* Copyright 2012 Twitter, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ========================================================== */
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!function ($) {
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"use strict"; // jshint ;_;
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/* TOOLTIP PUBLIC CLASS DEFINITION
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* =============================== */
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var Tooltip = function (element, options) {
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this.init('tooltip', element, options)
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}
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Tooltip.prototype = {
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constructor: Tooltip
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, init: function (type, element, options) {
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var eventIn
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, eventOut
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, triggers
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, trigger
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, i
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this.type = type
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this.$element = $(element)
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this.options = this.getOptions(options)
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this.enabled = true
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triggers = this.options.trigger.split(' ')
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for (i = triggers.length; i--;) {
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trigger = triggers[i]
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if (trigger == 'click') {
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this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
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} else if (trigger != 'manual') {
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eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
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eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
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this.$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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, getOptions: function (options) {
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options = $.extend({}, $.fn[this.type].defaults, this.$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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, enter: function (e) {
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var defaults = $.fn[this.type].defaults
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, options = {}
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, self
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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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}, this)
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self = $(e.currentTarget)[this.type](options).data(this.type)
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if (!self.options.delay || !self.options.delay.show) return self.show()
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clearTimeout(this.timeout)
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self.hoverState = 'in'
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this.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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, leave: function (e) {
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var self = $(e.currentTarget)[this.type](this._options).data(this.type)
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if (this.timeout) clearTimeout(this.timeout)
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if (!self.options.delay || !self.options.delay.hide) return self.hide()
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self.hoverState = 'out'
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this.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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, show: function () {
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var $tip
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, pos
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, actualWidth
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, actualHeight
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, placement
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, tp
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, e = $.Event('show')
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if (this.hasContent() && this.enabled) {
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this.$element.trigger(e)
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if (e.isDefaultPrevented()) return
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$tip = this.tip()
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this.setContent()
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if (this.options.animation) {
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$tip.addClass('fade')
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}
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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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$tip
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.detach()
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.css({ top: 0, left: 0, display: 'block' })
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this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
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pos = this.getPosition()
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actualWidth = $tip[0].offsetWidth
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actualHeight = $tip[0].offsetHeight
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switch (placement) {
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case 'bottom':
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tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
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break
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case 'top':
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tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
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break
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case 'left':
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tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
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break
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case 'right':
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tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
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break
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}
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this.applyPlacement(tp, placement)
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this.$element.trigger('shown')
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}
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}
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, applyPlacement: function(offset, placement){
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var $tip = this.tip()
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, width = $tip[0].offsetWidth
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, height = $tip[0].offsetHeight
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, actualWidth
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, actualHeight
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, delta
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, replace
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$tip
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.offset(offset)
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.addClass(placement)
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.addClass('in')
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actualWidth = $tip[0].offsetWidth
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actualHeight = $tip[0].offsetHeight
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if (placement == 'top' && actualHeight != height) {
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offset.top = offset.top + height - actualHeight
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replace = true
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}
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if (placement == 'bottom' || placement == 'top') {
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delta = 0
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if (offset.left < 0){
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delta = offset.left * -2
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offset.left = 0
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$tip.offset(offset)
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actualWidth = $tip[0].offsetWidth
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actualHeight = $tip[0].offsetHeight
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}
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this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
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} else {
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this.replaceArrow(actualHeight - height, actualHeight, 'top')
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}
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if (replace) $tip.offset(offset)
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}
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, replaceArrow: function(delta, dimension, position){
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this
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.arrow()
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.css(position, delta ? (50 * (1 - delta / dimension) + "%") : '')
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}
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, setContent: function () {
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var $tip = this.tip()
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, title = this.getTitle()
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$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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, hide: function () {
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var that = this
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, $tip = this.tip()
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, e = $.Event('hide')
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this.$element.trigger(e)
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if (e.isDefaultPrevented()) return
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$tip.removeClass('in')
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function removeWithAnimation() {
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var timeout = setTimeout(function () {
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$tip.off($.support.transition.end).detach()
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}, 500)
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$tip.one($.support.transition.end, function () {
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clearTimeout(timeout)
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$tip.detach()
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})
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}
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$.support.transition && this.$tip.hasClass('fade') ?
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removeWithAnimation() :
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$tip.detach()
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this.$element.trigger('hidden')
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return this
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}
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, 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', $e.attr('title') || '').attr('title', '')
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}
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}
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, hasContent: function () {
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return this.getTitle()
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}
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, getPosition: function () {
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var el = this.$element[0]
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return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
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width: el.offsetWidth
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, height: el.offsetHeight
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}, this.$element.offset())
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}
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, getTitle: function () {
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var title
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, $e = this.$element
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, 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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, tip: function () {
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return this.$tip = this.$tip || $(this.options.template)
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}
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, arrow: function(){
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return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
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}
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, validate: function () {
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if (!this.$element[0].parentNode) {
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this.hide()
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this.$element = null
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this.options = null
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}
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}
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, enable: function () {
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this.enabled = true
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}
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, disable: function () {
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this.enabled = false
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}
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, toggleEnabled: function () {
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this.enabled = !this.enabled
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}
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, toggle: function (e) {
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var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
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self.tip().hasClass('in') ? self.hide() : self.show()
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}
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, destroy: function () {
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this.hide().$element.off('.' + this.type).removeData(this.type)
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}
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}
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/* TOOLTIP PLUGIN DEFINITION
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* ========================= */
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var old = $.fn.tooltip
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$.fn.tooltip = function ( option ) {
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return this.each(function () {
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var $this = $(this)
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, data = $this.data('tooltip')
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, options = typeof option == 'object' && option
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if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
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if (typeof option == 'string') data[option]()
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})
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}
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$.fn.tooltip.Constructor = Tooltip
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$.fn.tooltip.defaults = {
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animation: true
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, placement: 'top'
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, selector: false
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, template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
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, trigger: 'hover focus'
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, title: ''
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, delay: 0
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, html: false
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, container: false
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}
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/* TOOLTIP NO CONFLICT
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* =================== */
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$.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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}(window.jQuery);
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