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twbs--bootstrap/js/bootstrap-carousel.js
2012-01-02 22:30:57 -08:00

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2.8 KiB
JavaScript

/* ==========================================================
* bootstrap-carousel.js v2.0.0
* http://twitter.github.com/bootstrap/javascript.html#alerts
* ==========================================================
* 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.
* ========================================================== */
!function( $ ){
"use strict"
/* CAROUSEL CLASS DEFINITION
* ========================= */
var Carousel = function (element) {
this.$element = $(element)
}
Carousel.prototype = {
cycle: function () {
this.interval = setInterval($.proxy(this.next, this), 5000)
}
, pause: function () {
clearInterval(this.interval)
}
, next: function () {
this.slide('next')
}
, prev: function () {
this.slide('prev')
}
, slide: function (type) {
var $active = this.$element.find('.active')
, $next = $active[type]()
, direction = type == 'next' ? 'left' : 'right'
, fallback = type == 'next' ? 'first' : 'last'
, that = this
$next = $next.length ? $next : this.$element.find('.item')[fallback]()
if (!$.support.transition && this.$element.hasClass('slide')) {
$active.removeClass('active')
$next.addClass('active')
} else {
$next.addClass(type)
$next[0].offsetWidth // force reflow
$active.addClass(direction)
$next.addClass(direction)
this.$element.one($.support.transition.end, function () {
$next.removeClass([type, direction].join(' ')).addClass('active')
$active.removeClass(['active', direction].join(' '))
})
}
}
}
/* CAROUSEL PLUGIN DEFINITION
* ========================== */
$.fn.carousel = function ( option ) {
return this.each(function () {
var $this = $(this)
, data = $this.data('carousel')
if (!data) $this.data('carousel', (data = new Carousel(this)))
if (typeof option == 'string') data[option]()
})
}
$.fn.carousel.Constructor = Carousel
/* CAROUSEL DATA-API
* ================= */
$(function () {
$('body').on('click.carousel.data-api', '[data-slide]', function ( e ) {
var $this = $(this)
, $target = $($this.attr('data-target') || $this.attr('href'))
$target.carousel($this.attr('data-slide'))
})
})
}( window.jQuery )