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237 lines
7.0 KiB
237 lines
7.0 KiB
/* ========================================================================
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* Bootstrap: carousel.js v3.3.7
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* http://getbootstrap.com/javascript/#carousel
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* ========================================================================
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* Copyright 2011-2016 Twitter, Inc.
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* ======================================================================== */
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+function ($) {
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'use strict';
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// CAROUSEL CLASS DEFINITION
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// =========================
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var Carousel = function (element, options) {
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this.$element = $(element)
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this.$indicators = this.$element.find('.carousel-indicators')
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this.options = options
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this.paused = null
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this.sliding = null
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this.interval = null
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this.$active = null
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this.$items = null
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this.options.keyboard && this.$element.on('keydown.bs.carousel', $.proxy(this.keydown, this))
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this.options.pause == 'hover' && !('ontouchstart' in document.documentElement) && this.$element
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.on('mouseenter.bs.carousel', $.proxy(this.pause, this))
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.on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
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}
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Carousel.VERSION = '3.3.7'
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Carousel.TRANSITION_DURATION = 600
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Carousel.DEFAULTS = {
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interval: 5000,
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pause: 'hover',
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wrap: true,
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keyboard: true
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}
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Carousel.prototype.keydown = function (e) {
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if (/input|textarea/i.test(e.target.tagName)) return
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switch (e.which) {
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case 37: this.prev(); break
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case 39: this.next(); break
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default: return
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}
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e.preventDefault()
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}
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Carousel.prototype.cycle = function (e) {
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e || (this.paused = false)
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this.interval && clearInterval(this.interval)
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this.options.interval
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&& !this.paused
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&& (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
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return this
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}
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Carousel.prototype.getItemIndex = function (item) {
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this.$items = item.parent().children('.item')
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return this.$items.index(item || this.$active)
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}
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Carousel.prototype.getItemForDirection = function (direction, active) {
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var activeIndex = this.getItemIndex(active)
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var willWrap = (direction == 'prev' && activeIndex === 0)
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|| (direction == 'next' && activeIndex == (this.$items.length - 1))
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if (willWrap && !this.options.wrap) return active
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var delta = direction == 'prev' ? -1 : 1
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var itemIndex = (activeIndex + delta) % this.$items.length
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return this.$items.eq(itemIndex)
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}
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Carousel.prototype.to = function (pos) {
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var that = this
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var activeIndex = this.getItemIndex(this.$active = this.$element.find('.item.active'))
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if (pos > (this.$items.length - 1) || pos < 0) return
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if (this.sliding) return this.$element.one('slid.bs.carousel', function () { that.to(pos) }) // yes, "slid"
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if (activeIndex == pos) return this.pause().cycle()
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return this.slide(pos > activeIndex ? 'next' : 'prev', this.$items.eq(pos))
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}
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Carousel.prototype.pause = function (e) {
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e || (this.paused = true)
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if (this.$element.find('.next, .prev').length && $.support.transition) {
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this.$element.trigger($.support.transition.end)
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this.cycle(true)
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}
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this.interval = clearInterval(this.interval)
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return this
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}
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Carousel.prototype.next = function () {
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if (this.sliding) return
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return this.slide('next')
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}
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Carousel.prototype.prev = function () {
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if (this.sliding) return
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return this.slide('prev')
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}
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Carousel.prototype.slide = function (type, next) {
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var $active = this.$element.find('.item.active')
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var $next = next || this.getItemForDirection(type, $active)
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var isCycling = this.interval
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var direction = type == 'next' ? 'left' : 'right'
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var that = this
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if ($next.hasClass('active')) return (this.sliding = false)
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var relatedTarget = $next[0]
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var slideEvent = $.Event('slide.bs.carousel', {
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relatedTarget: relatedTarget,
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direction: direction
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})
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this.$element.trigger(slideEvent)
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if (slideEvent.isDefaultPrevented()) return
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this.sliding = true
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isCycling && this.pause()
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if (this.$indicators.length) {
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this.$indicators.find('.active').removeClass('active')
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var $nextIndicator = $(this.$indicators.children()[this.getItemIndex($next)])
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$nextIndicator && $nextIndicator.addClass('active')
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}
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var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
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if ($.support.transition && this.$element.hasClass('slide')) {
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$next.addClass(type)
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$next[0].offsetWidth // force reflow
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$active.addClass(direction)
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$next.addClass(direction)
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$active
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.one('bsTransitionEnd', function () {
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$next.removeClass([type, direction].join(' ')).addClass('active')
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$active.removeClass(['active', direction].join(' '))
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that.sliding = false
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setTimeout(function () {
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that.$element.trigger(slidEvent)
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}, 0)
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})
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.emulateTransitionEnd(Carousel.TRANSITION_DURATION)
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} else {
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$active.removeClass('active')
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$next.addClass('active')
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this.sliding = false
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this.$element.trigger(slidEvent)
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}
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isCycling && this.cycle()
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return this
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}
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// CAROUSEL PLUGIN DEFINITION
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// ==========================
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function Plugin(option) {
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return this.each(function () {
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var $this = $(this)
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var data = $this.data('bs.carousel')
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var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option)
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var action = typeof option == 'string' ? option : options.slide
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if (!data) $this.data('bs.carousel', (data = new Carousel(this, options)))
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if (typeof option == 'number') data.to(option)
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else if (action) data[action]()
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else if (options.interval) data.pause().cycle()
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})
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}
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var old = $.fn.carousel
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$.fn.carousel = Plugin
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$.fn.carousel.Constructor = Carousel
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// CAROUSEL NO CONFLICT
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// ====================
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$.fn.carousel.noConflict = function () {
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$.fn.carousel = old
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return this
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}
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// CAROUSEL DATA-API
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// =================
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var clickHandler = function (e) {
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var href
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var $this = $(this)
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var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
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if (!$target.hasClass('carousel')) return
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var options = $.extend({}, $target.data(), $this.data())
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var slideIndex = $this.attr('data-slide-to')
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if (slideIndex) options.interval = false
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Plugin.call($target, options)
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if (slideIndex) {
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$target.data('bs.carousel').to(slideIndex)
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}
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e.preventDefault()
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}
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$(document)
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.on('click.bs.carousel.data-api', '[data-slide]', clickHandler)
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.on('click.bs.carousel.data-api', '[data-slide-to]', clickHandler)
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$(window).on('load', function () {
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$('[data-ride="carousel"]').each(function () {
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var $carousel = $(this)
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Plugin.call($carousel, $carousel.data())
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})
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})
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}(jQuery);
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