src/widgets/bootstrap-tooltip.js
/* ===========================================================
* bootstrap-tooltip.js v2.3.1
* http://twitter.github.com/bootstrap/javascript.html#tooltips
* Inspired by the original jQuery.tipsy by Jason Frame
* ===========================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
!function ($) {
"use strict"; // jshint ;_;
/* TOOLTIP PUBLIC CLASS DEFINITION
* =============================== */
var Tooltip = function (element, options) {
this.init('tooltip', element, options)
}
Tooltip.prototype = {
constructor: Tooltip
, init: function (type, element, options) {
var eventIn
, eventOut
, triggers
, trigger
, i
this.type = type
this.$element = $(element)
this.options = this.getOptions(options)
this.enabled = true
triggers = this.options.trigger.split(' ')
for (i = triggers.length; i--;) {
trigger = triggers[i]
if (trigger == 'click') {
this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
} else if (trigger != 'manual') {
eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
}
}
this.options.selector ?
(this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
this.fixTitle()
}
, getOptions: function (options) {
options = $.extend({}, $.fn[this.type].defaults, this.$element.data(), options)
if (options.delay && typeof options.delay == 'number') {
options.delay = {
show: options.delay
, hide: options.delay
}
}
return options
}
, enter: function (e) {
var defaults = $.fn[this.type].defaults
, options = {}
, self
this._options && $.each(this._options, function (key, value) {
if (defaults[key] != value) options[key] = value
}, this)
self = $(e.currentTarget)[this.type](options).data(this.type)
if (!self.options.delay || !self.options.delay.show) return self.show()
clearTimeout(this.timeout)
self.hoverState = 'in'
this.timeout = setTimeout(function() {
if (self.hoverState == 'in') self.show()
}, self.options.delay.show)
}
, leave: function (e) {
var self = $(e.currentTarget)[this.type](this._options).data(this.type)
if (this.timeout) clearTimeout(this.timeout)
if (!self.options.delay || !self.options.delay.hide) return self.hide()
self.hoverState = 'out'
this.timeout = setTimeout(function() {
if (self.hoverState == 'out') self.hide()
}, self.options.delay.hide)
}
, show: function () {
var $tip
, pos
, actualWidth
, placement
, tp
, e = $.Event('show')
if (this.hasContent() && this.enabled) {
this.$element.trigger(e)
if (e.isDefaultPrevented()) return
$tip = this.tip()
this.setContent()
if (this.options.animation) {
$tip.addClass('fade')
}
placement = typeof this.options.placement == 'function' ?
this.options.placement.call(this, $tip[0], this.$element[0]) :
this.options.placement
$tip
.detach()
.css({ top: 0, left: 0, display: 'block' })
this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
pos = this.getPosition()
actualWidth = $tip[0].offsetWidth
switch (placement) {
case 'bottom':
tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
break
case 'top':
tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
break
case 'left':
tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
break
case 'right':
tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
break
}
this.applyPlacement(tp, placement)
this.$element.trigger('shown')
}
}
, applyPlacement: function(offset, placement){
var $tip = this.tip()
, width = $tip[0].offsetWidth
, height = $tip[0].offsetHeight
, actualWidth
, actualHeight
, delta
, replace
$tip
.offset(offset)
.addClass(placement)
.addClass('in')
actualWidth = $tip[0].offsetWidth
actualHeight = $tip[0].offsetHeight
if (placement == 'top' && actualHeight != height) {
offset.top = offset.top + height - actualHeight
replace = true
}
if (placement == 'bottom' || placement == 'top') {
delta = 0
if (offset.left < 0){
delta = offset.left * -2
offset.left = 0
$tip.offset(offset)
actualWidth = $tip[0].offsetWidth
actualHeight = $tip[0].offsetHeight
}
this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
} else {
this.replaceArrow(actualHeight - height, actualHeight, 'top')
}
if (replace) $tip.offset(offset)
}
, replaceArrow: function(delta, dimension, position){
this
.arrow()
.css(position, delta ? (50 * (1 - delta / dimension) + "%") : '')
}
, setContent: function () {
var $tip = this.tip()
, title = this.getTitle()
$tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
$tip.removeClass('fade in top bottom left right')
}
, hide: function () {
var that = this
, $tip = this.tip()
, e = $.Event('hide')
this.$element.trigger(e)
if (e.isDefaultPrevented()) return
$tip.removeClass('in')
function removeWithAnimation() {
var timeout = setTimeout(function () {
$tip.off($.support.transition.end).detach()
}, 500)
$tip.one($.support.transition.end, function () {
clearTimeout(timeout)
$tip.detach()
})
}
$.support.transition && this.$tip.hasClass('fade') ?
removeWithAnimation() :
$tip.detach()
this.$element.trigger('hidden')
return this
}
, fixTitle: function () {
var $e = this.$element
if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
$e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
}
}
, hasContent: function () {
return this.getTitle()
}
, getPosition: function () {
var el = this.$element[0]
return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
width: el.offsetWidth
, height: el.offsetHeight
}, this.$element.offset())
}
, getTitle: function () {
var title
, $e = this.$element
, o = this.options
title = $e.attr('data-original-title')
|| (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)
return title
}
, tip: function () {
return this.$tip = this.$tip || $(this.options.template)
}
, arrow: function(){
return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
}
, validate: function () {
if (!this.$element[0].parentNode) {
this.hide()
this.$element = null
this.options = null
}
}
, enable: function () {
this.enabled = true
}
, disable: function () {
this.enabled = false
}
, toggleEnabled: function () {
this.enabled = !this.enabled
}
, toggle: function (e) {
var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
self.tip().hasClass('in') ? self.hide() : self.show()
}
, destroy: function () {
this.hide().$element.off('.' + this.type).removeData(this.type)
}
}
/* TOOLTIP PLUGIN DEFINITION
* ========================= */
var old = $.fn.tooltip
$.fn.tooltip = function ( option ) {
return this.each(function () {
var $this = $(this)
, data = $this.data('tooltip')
, options = typeof option == 'object' && option
if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
if (typeof option == 'string') data[option]()
})
}
$.fn.tooltip.Constructor = Tooltip
$.fn.tooltip.defaults = {
animation: true
, placement: 'top'
, selector: false
, template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
, trigger: 'hover focus'
, title: ''
, delay: 0
, html: false
, container: false
}
/* TOOLTIP NO CONFLICT
* =================== */
$.fn.tooltip.noConflict = function () {
$.fn.tooltip = old
return this
}
}(window.jQuery);