mirror of
https://github.com/twbs/bootstrap.git
synced 2024-12-04 16:24:22 +01:00
247 lines
7.1 KiB
JavaScript
247 lines
7.1 KiB
JavaScript
/* ========================================================================
|
|
* Bootstrap: carousel.js v3.4.1
|
|
* https://getbootstrap.com/docs/3.4/javascript/#carousel
|
|
* ========================================================================
|
|
* Copyright 2011-2019 Twitter, Inc.
|
|
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/v3-dev/LICENSE)
|
|
* ======================================================================== */
|
|
|
|
|
|
+function ($) {
|
|
'use strict';
|
|
|
|
// CAROUSEL CLASS DEFINITION
|
|
// =========================
|
|
|
|
var Carousel = function (element, options) {
|
|
this.$element = $(element)
|
|
this.$indicators = this.$element.find('.carousel-indicators')
|
|
this.options = options
|
|
this.paused = null
|
|
this.sliding = null
|
|
this.interval = null
|
|
this.$active = null
|
|
this.$items = null
|
|
|
|
this.options.keyboard && this.$element.on('keydown.bs.carousel', $.proxy(this.keydown, this))
|
|
|
|
this.options.pause == 'hover' && !('ontouchstart' in document.documentElement) && this.$element
|
|
.on('mouseenter.bs.carousel', $.proxy(this.pause, this))
|
|
.on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
|
|
}
|
|
|
|
Carousel.VERSION = '3.4.1'
|
|
|
|
Carousel.TRANSITION_DURATION = 600
|
|
|
|
Carousel.DEFAULTS = {
|
|
interval: 5000,
|
|
pause: 'hover',
|
|
wrap: true,
|
|
keyboard: true
|
|
}
|
|
|
|
Carousel.prototype.keydown = function (e) {
|
|
if (/input|textarea/i.test(e.target.tagName)) return
|
|
switch (e.which) {
|
|
case 37: this.prev(); break
|
|
case 39: this.next(); break
|
|
default: return
|
|
}
|
|
|
|
e.preventDefault()
|
|
}
|
|
|
|
Carousel.prototype.cycle = function (e) {
|
|
e || (this.paused = false)
|
|
|
|
this.interval && clearInterval(this.interval)
|
|
|
|
this.options.interval
|
|
&& !this.paused
|
|
&& (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
|
|
|
|
return this
|
|
}
|
|
|
|
Carousel.prototype.getItemIndex = function (item) {
|
|
this.$items = item.parent().children('.item')
|
|
return this.$items.index(item || this.$active)
|
|
}
|
|
|
|
Carousel.prototype.getItemForDirection = function (direction, active) {
|
|
var activeIndex = this.getItemIndex(active)
|
|
var willWrap = (direction == 'prev' && activeIndex === 0)
|
|
|| (direction == 'next' && activeIndex == (this.$items.length - 1))
|
|
if (willWrap && !this.options.wrap) return active
|
|
var delta = direction == 'prev' ? -1 : 1
|
|
var itemIndex = (activeIndex + delta) % this.$items.length
|
|
return this.$items.eq(itemIndex)
|
|
}
|
|
|
|
Carousel.prototype.to = function (pos) {
|
|
var that = this
|
|
var activeIndex = this.getItemIndex(this.$active = this.$element.find('.item.active'))
|
|
|
|
if (pos > (this.$items.length - 1) || pos < 0) return
|
|
|
|
if (this.sliding) return this.$element.one('slid.bs.carousel', function () { that.to(pos) }) // yes, "slid"
|
|
if (activeIndex == pos) return this.pause().cycle()
|
|
|
|
return this.slide(pos > activeIndex ? 'next' : 'prev', this.$items.eq(pos))
|
|
}
|
|
|
|
Carousel.prototype.pause = function (e) {
|
|
e || (this.paused = true)
|
|
|
|
if (this.$element.find('.next, .prev').length && $.support.transition) {
|
|
this.$element.trigger($.support.transition.end)
|
|
this.cycle(true)
|
|
}
|
|
|
|
this.interval = clearInterval(this.interval)
|
|
|
|
return this
|
|
}
|
|
|
|
Carousel.prototype.next = function () {
|
|
if (this.sliding) return
|
|
return this.slide('next')
|
|
}
|
|
|
|
Carousel.prototype.prev = function () {
|
|
if (this.sliding) return
|
|
return this.slide('prev')
|
|
}
|
|
|
|
Carousel.prototype.slide = function (type, next) {
|
|
var $active = this.$element.find('.item.active')
|
|
var $next = next || this.getItemForDirection(type, $active)
|
|
var isCycling = this.interval
|
|
var direction = type == 'next' ? 'left' : 'right'
|
|
var that = this
|
|
|
|
if ($next.hasClass('active')) return (this.sliding = false)
|
|
|
|
var relatedTarget = $next[0]
|
|
var slideEvent = $.Event('slide.bs.carousel', {
|
|
relatedTarget: relatedTarget,
|
|
direction: direction
|
|
})
|
|
this.$element.trigger(slideEvent)
|
|
if (slideEvent.isDefaultPrevented()) return
|
|
|
|
this.sliding = true
|
|
|
|
isCycling && this.pause()
|
|
|
|
if (this.$indicators.length) {
|
|
this.$indicators.find('.active').removeClass('active')
|
|
var $nextIndicator = $(this.$indicators.children()[this.getItemIndex($next)])
|
|
$nextIndicator && $nextIndicator.addClass('active')
|
|
}
|
|
|
|
var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
|
|
if ($.support.transition && this.$element.hasClass('slide')) {
|
|
$next.addClass(type)
|
|
if (typeof $next === 'object' && $next.length) {
|
|
$next[0].offsetWidth // force reflow
|
|
}
|
|
$active.addClass(direction)
|
|
$next.addClass(direction)
|
|
$active
|
|
.one('bsTransitionEnd', function () {
|
|
$next.removeClass([type, direction].join(' ')).addClass('active')
|
|
$active.removeClass(['active', direction].join(' '))
|
|
that.sliding = false
|
|
setTimeout(function () {
|
|
that.$element.trigger(slidEvent)
|
|
}, 0)
|
|
})
|
|
.emulateTransitionEnd(Carousel.TRANSITION_DURATION)
|
|
} else {
|
|
$active.removeClass('active')
|
|
$next.addClass('active')
|
|
this.sliding = false
|
|
this.$element.trigger(slidEvent)
|
|
}
|
|
|
|
isCycling && this.cycle()
|
|
|
|
return this
|
|
}
|
|
|
|
|
|
// CAROUSEL PLUGIN DEFINITION
|
|
// ==========================
|
|
|
|
function Plugin(option) {
|
|
return this.each(function () {
|
|
var $this = $(this)
|
|
var data = $this.data('bs.carousel')
|
|
var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option)
|
|
var action = typeof option == 'string' ? option : options.slide
|
|
|
|
if (!data) $this.data('bs.carousel', (data = new Carousel(this, options)))
|
|
if (typeof option == 'number') data.to(option)
|
|
else if (action) data[action]()
|
|
else if (options.interval) data.pause().cycle()
|
|
})
|
|
}
|
|
|
|
var old = $.fn.carousel
|
|
|
|
$.fn.carousel = Plugin
|
|
$.fn.carousel.Constructor = Carousel
|
|
|
|
|
|
// CAROUSEL NO CONFLICT
|
|
// ====================
|
|
|
|
$.fn.carousel.noConflict = function () {
|
|
$.fn.carousel = old
|
|
return this
|
|
}
|
|
|
|
|
|
// CAROUSEL DATA-API
|
|
// =================
|
|
|
|
var clickHandler = function (e) {
|
|
var $this = $(this)
|
|
var href = $this.attr('href')
|
|
if (href) {
|
|
href = href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
|
|
}
|
|
|
|
var target = $this.attr('data-target') || href
|
|
var $target = $(document).find(target)
|
|
|
|
if (!$target.hasClass('carousel')) return
|
|
|
|
var options = $.extend({}, $target.data(), $this.data())
|
|
var slideIndex = $this.attr('data-slide-to')
|
|
if (slideIndex) options.interval = false
|
|
|
|
Plugin.call($target, options)
|
|
|
|
if (slideIndex) {
|
|
$target.data('bs.carousel').to(slideIndex)
|
|
}
|
|
|
|
e.preventDefault()
|
|
}
|
|
|
|
$(document)
|
|
.on('click.bs.carousel.data-api', '[data-slide]', clickHandler)
|
|
.on('click.bs.carousel.data-api', '[data-slide-to]', clickHandler)
|
|
|
|
$(window).on('load', function () {
|
|
$('[data-ride="carousel"]').each(function () {
|
|
var $carousel = $(this)
|
|
Plugin.call($carousel, $carousel.data())
|
|
})
|
|
})
|
|
|
|
}(jQuery);
|