174 lines
5.0 KiB
JavaScript
174 lines
5.0 KiB
JavaScript
/*
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* Solo - A small and beautiful blogging system written in Java.
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* Copyright (c) 2010-2019, b3log.org & hacpai.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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!function ($) {
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"use strict"; // jshint ;_;
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/* CAROUSEL CLASS DEFINITION
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* ========================= */
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var Carousel = function (element, options) {
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this.$element = $(element)
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this.options = options
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this.options.slide && this.slide(this.options.slide)
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this.options.pause == 'hover' && this.$element
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.on('mouseenter', $.proxy(this.pause, this))
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.on('mouseleave', $.proxy(this.cycle, this))
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}
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Carousel.prototype = {
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cycle: function (e) {
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if (!e) this.paused = false
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this.options.interval
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&& !this.paused
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&& (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
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return this
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}
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, to: function (pos) {
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var $active = this.$element.find('.item.active')
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, children = $active.parent().children()
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, activePos = children.index($active)
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, that = this
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if (pos > (children.length - 1) || pos < 0) return
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if (this.sliding) {
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return this.$element.one('slid', function () {
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that.to(pos)
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})
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}
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if (activePos == pos) {
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return this.pause().cycle()
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}
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return this.slide(pos > activePos ? 'next' : 'prev', $(children[pos]))
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}
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, pause: function (e) {
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if (!e) this.paused = true
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if (this.$element.find('.next, .prev').length && $.support.transition.end) {
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this.$element.trigger($.support.transition.end)
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this.cycle()
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}
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clearInterval(this.interval)
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this.interval = null
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return this
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}
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, 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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, 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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, slide: function (type, next) {
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var $active = this.$element.find('.item.active')
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, $next = next || $active[type]()
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, isCycling = this.interval
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, direction = type == 'next' ? 'left' : 'right'
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, fallback = type == 'next' ? 'first' : 'last'
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, that = this
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, e
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this.sliding = true
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isCycling && this.pause()
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$next = $next.length ? $next : this.$element.find('.item')[fallback]()
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e = $.Event('slide', {
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relatedTarget: $next[0]
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})
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if ($next.hasClass('active')) return
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if ($.support.transition && this.$element.hasClass('slide')) {
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this.$element.trigger(e)
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if (e.isDefaultPrevented()) return
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$next.addClass(type)
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$next[0].offsetWidth // force reflow
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$active.addClass(direction)
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$next.addClass(direction)
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this.$element.one($.support.transition.end, function () {
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$next.removeClass([type, direction].join(' ')).addClass('active')
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$active.removeClass(['active', direction].join(' '))
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that.sliding = false
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setTimeout(function () { that.$element.trigger('slid') }, 0)
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})
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} else {
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this.$element.trigger(e)
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if (e.isDefaultPrevented()) return
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$active.removeClass('active')
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$next.addClass('active')
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this.sliding = false
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this.$element.trigger('slid')
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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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}
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/* CAROUSEL PLUGIN DEFINITION
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* ========================== */
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$.fn.carousel = function (option) {
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return this.each(function () {
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var $this = $(this)
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, data = $this.data('carousel')
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, options = $.extend({}, $.fn.carousel.defaults, typeof option == 'object' && option)
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, action = typeof option == 'string' ? option : options.slide
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if (!data) $this.data('carousel', (data = new Carousel(this, options)))
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if (typeof option == 'number') data.to(option)
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else if (action) data[action]()
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else if (options.interval) data.cycle()
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})
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}
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$.fn.carousel.defaults = {
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interval: 5000
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, pause: 'hover'
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}
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$.fn.carousel.Constructor = Carousel
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/* CAROUSEL DATA-API
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* ================= */
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$(document).on('click.carousel.data-api', '[data-slide]', function (e) {
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var $this = $(this), href
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, $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
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, options = $.extend({}, $target.data(), $this.data())
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$target.carousel(options)
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e.preventDefault()
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})
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}(window.jQuery); |