twbs--bootstrap/js/bootstrap-twipsy.js

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/* ==========================================================
* bootstrap-twipsy.js v2.0.0
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* http://twitter.github.com/bootstrap/javascript.html#twipsy
* Inspired by the original jQuery.tipsy by Jason Frame
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* ==========================================================
* Copyright 2011 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.
* ========================================================== */
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!function( $ ) {
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"use strict"
/* TWIPSY PUBLIC CLASS DEFINITION
* ============================== */
var Twipsy = function ( element, options ) {
this.init('twipsy', element, options)
}
Twipsy.prototype = {
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constructor: Twipsy
, init: function ( type, element, options ) {
var eventIn
, eventOut
this.type = type
this.$element = $(element)
this.options = this.getOptions(options)
this.enabled = true
if (this.options.trigger != 'manual') {
eventIn = this.options.trigger == 'hover' ? 'mouseenter' : 'focus'
eventOut = this.options.trigger == 'hover' ? 'mouseleave' : 'blur'
this.$element.on(eventIn, this.options.selector, $.proxy(this.enter, this))
this.$element.on(eventOut, 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({}, $.fn[this.type].defaults, options, this.$element.data())
if (options.delay && typeof options.delay == 'number') {
options.delay = {
show: options.delay
, hide: options.delay
}
}
return options
}
, enter: function ( e ) {
var self = $(e.currentTarget)[this.type](this._options).data(this.type)
if (!self.options.delay || !self.options.delay.show) {
self.show()
} else {
self.hoverState = 'in'
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 (!self.options.delay || !self.options.delay.hide) {
self.hide()
} else {
setTimeout(function() {
self.hoverState = 'out'
if (self.hoverState == 'out') {
self.hide()
}
}, self.options.delay.hide)
}
}
, show: function () {
var $tip
, pos
, actualWidth
, actualHeight
, placement
, tp
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if (this.hasContent() && this.enabled) {
$tip = this.tip()
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this.setContent()
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if (this.options.animation) {
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$tip.addClass('fade')
}
$tip
.remove()
.css({ top: 0, left: 0, display: 'block' })
.prependTo(document.body)
pos = $.extend({}, this.$element.offset(), {
width: this.$element[0].offsetWidth
, height: this.$element[0].offsetHeight
})
actualWidth = $tip[0].offsetWidth
actualHeight = $tip[0].offsetHeight
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placement = maybeCall(this.options.placement, this, [ $tip[0], this.$element[0] ])
switch (placement) {
case 'below':
tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
break
case 'above':
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
}
$tip
.css(tp)
.addClass(placement)
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.addClass('in')
}
}
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, setContent: function () {
var $tip = this.tip()
$tip.find('.twipsy-inner').html(this.getTitle())
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$tip[0].className = 'twipsy'
}
, hide: function () {
var that = this
, $tip = this.tip()
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$tip.removeClass('in')
function removeElement () {
$tip.remove()
}
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$.support.transition && this.$tip.hasClass('fade') ?
$tip.on($.support.transition.end, removeElement) :
removeElement()
}
, 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') || '').removeAttr('title')
}
}
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, hasContent: function () {
return this.getTitle()
}
, 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)
title = title.toString().replace(/(^\s*|\s*$)/, "")
return title
}
, tip: function () {
return this.$tip = this.$tip || $(this.options.template)
}
, validate: function () {
if (!this.$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
}
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, toggle: function () {
this[this.tip().hasClass('in') ? 'hide' : 'show']()
}
}
/* TWIPSY PRIVATE METHODS
* ====================== */
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function maybeCall ( thing, ctx, args ) {
return typeof thing == 'function' ? thing.apply(ctx, args) : thing
}
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/* TWIPSY PLUGIN DEFINITION
* ======================== */
$.fn.twipsy = function ( option ) {
return this.each(function () {
var $this = $(this)
, data = $this.data('twipsy')
, options = typeof option == 'object' && option
if (!data) $this.data('twipsy', (data = new Twipsy(this, options)))
if (typeof option == 'string') data[option]()
})
}
$.fn.twipsy.Constructor = Twipsy
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$.fn.twipsy.defaults = {
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animation: true
, delay: 0
, selector: false
, placement: 'above'
, trigger: 'hover'
, title: ''
, template: '<div class="twipsy"><div class="twipsy-arrow"></div><div class="twipsy-inner"></div></div>'
}
}( window.jQuery )