1058 lines
34 KiB
JavaScript
1058 lines
34 KiB
JavaScript
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/*!
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* jCarousel - Riding carousels with jQuery
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* http://sorgalla.com/jcarousel/
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*
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* Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
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* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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*
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* Built on top of the jQuery library
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* http://jquery.com
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*
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* Inspired by the "Carousel Component" by Bill Scott
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* http://billwscott.com/carousel/
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*/
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/*global window, jQuery */
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(function($) {
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// Default configuration properties.
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var defaults = {
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vertical: false,
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rtl: false,
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start: 1,
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offset: 1,
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size: null,
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scroll: 3,
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visible: null,
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animation: 'normal',
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easing: 'swing',
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auto: 0,
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wrap: null,
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initCallback: null,
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setupCallback: null,
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reloadCallback: null,
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itemLoadCallback: null,
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itemFirstInCallback: null,
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itemFirstOutCallback: null,
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itemLastInCallback: null,
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itemLastOutCallback: null,
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itemVisibleInCallback: null,
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itemVisibleOutCallback: null,
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animationStepCallback: null,
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buttonNextHTML: '<div></div>',
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buttonPrevHTML: '<div></div>',
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buttonNextEvent: 'click',
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buttonPrevEvent: 'click',
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buttonNextCallback: null,
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buttonPrevCallback: null,
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itemFallbackDimension: null
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}, windowLoaded = false;
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$(window).bind('load.jcarousel', function() { windowLoaded = true; });
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/**
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* The jCarousel object.
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*
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* @constructor
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* @class jcarousel
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* @param e {HTMLElement} The element to create the carousel for.
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* @param o {Object} A set of key/value pairs to set as configuration properties.
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* @cat Plugins/jCarousel
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*/
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$.jcarousel = function(e, o) {
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this.options = $.extend({}, defaults, o || {});
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this.locked = false;
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this.autoStopped = false;
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this.container = null;
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this.clip = null;
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this.list = null;
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this.buttonNext = null;
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this.buttonPrev = null;
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this.buttonNextState = null;
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this.buttonPrevState = null;
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// Only set if not explicitly passed as option
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if (!o || o.rtl === undefined) {
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this.options.rtl = ($(e).attr('dir') || $('html').attr('dir') || '').toLowerCase() == 'rtl';
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}
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this.wh = !this.options.vertical ? 'width' : 'height';
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this.lt = !this.options.vertical ? (this.options.rtl ? 'right' : 'left') : 'top';
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// Extract skin class
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var skin = '', split = e.className.split(' ');
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for (var i = 0; i < split.length; i++) {
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if (split[i].indexOf('jcarousel-skin') != -1) {
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$(e).removeClass(split[i]);
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skin = split[i];
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break;
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}
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}
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if (e.nodeName.toUpperCase() == 'UL' || e.nodeName.toUpperCase() == 'OL') {
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this.list = $(e);
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this.clip = this.list.parents('.jcarousel-clip');
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this.container = this.list.parents('.jcarousel-container');
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} else {
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this.container = $(e);
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this.list = this.container.find('ul,ol').eq(0);
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this.clip = this.container.find('.jcarousel-clip');
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}
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if (this.clip.size() === 0) {
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this.clip = this.list.wrap('<div></div>').parent();
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}
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if (this.container.size() === 0) {
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this.container = this.clip.wrap('<div></div>').parent();
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}
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if (skin !== '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1) {
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this.container.wrap('<div class=" '+ skin + '"></div>');
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}
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this.buttonPrev = $('.jcarousel-prev', this.container);
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if (this.buttonPrev.size() === 0 && this.options.buttonPrevHTML !== null) {
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this.buttonPrev = $(this.options.buttonPrevHTML).appendTo(this.container);
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}
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this.buttonPrev.addClass(this.className('jcarousel-prev'));
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this.buttonNext = $('.jcarousel-next', this.container);
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if (this.buttonNext.size() === 0 && this.options.buttonNextHTML !== null) {
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this.buttonNext = $(this.options.buttonNextHTML).appendTo(this.container);
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}
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this.buttonNext.addClass(this.className('jcarousel-next'));
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this.clip.addClass(this.className('jcarousel-clip')).css({
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position: 'relative'
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});
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this.list.addClass(this.className('jcarousel-list')).css({
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overflow: 'hidden',
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position: 'relative',
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top: 0,
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margin: 0,
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padding: 0
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}).css((this.options.rtl ? 'right' : 'left'), 0);
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this.container.addClass(this.className('jcarousel-container')).css({
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position: 'relative'
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});
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if (!this.options.vertical && this.options.rtl) {
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this.container.addClass('jcarousel-direction-rtl').attr('dir', 'rtl');
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}
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var di = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null;
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var li = this.list.children('li');
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var self = this;
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if (li.size() > 0) {
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var wh = 0, j = this.options.offset;
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li.each(function() {
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self.format(this, j++);
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wh += self.dimension(this, di);
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});
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this.list.css(this.wh, (wh + 100) + 'px');
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// Only set if not explicitly passed as option
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if (!o || o.size === undefined) {
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this.options.size = li.size();
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}
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}
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// For whatever reason, .show() does not work in Safari...
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this.container.css('display', 'block');
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this.buttonNext.css('display', 'block');
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this.buttonPrev.css('display', 'block');
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this.funcNext = function() { self.next(); };
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this.funcPrev = function() { self.prev(); };
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this.funcResize = function() {
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if (self.resizeTimer) {
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clearTimeout(self.resizeTimer);
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}
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self.resizeTimer = setTimeout(function() {
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self.reload();
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}, 100);
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};
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if (this.options.initCallback !== null) {
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this.options.initCallback(this, 'init');
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}
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if (!windowLoaded && $.browser.safari) {
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this.buttons(false, false);
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$(window).bind('load.jcarousel', function() { self.setup(); });
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} else {
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this.setup();
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}
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};
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// Create shortcut for internal use
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var $jc = $.jcarousel;
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$jc.fn = $jc.prototype = {
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jcarousel: '0.2.8'
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};
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$jc.fn.extend = $jc.extend = $.extend;
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$jc.fn.extend({
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/**
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* Setups the carousel.
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*
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* @method setup
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* @return undefined
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*/
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setup: function() {
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this.first = null;
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this.last = null;
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this.prevFirst = null;
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this.prevLast = null;
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this.animating = false;
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this.timer = null;
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this.resizeTimer = null;
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this.tail = null;
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this.inTail = false;
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if (this.locked) {
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return;
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}
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this.list.css(this.lt, this.pos(this.options.offset) + 'px');
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var p = this.pos(this.options.start, true);
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this.prevFirst = this.prevLast = null;
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this.animate(p, false);
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$(window).unbind('resize.jcarousel', this.funcResize).bind('resize.jcarousel', this.funcResize);
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if (this.options.setupCallback !== null) {
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this.options.setupCallback(this);
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}
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},
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/**
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* Clears the list and resets the carousel.
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*
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* @method reset
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* @return undefined
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*/
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reset: function() {
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this.list.empty();
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this.list.css(this.lt, '0px');
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this.list.css(this.wh, '10px');
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if (this.options.initCallback !== null) {
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this.options.initCallback(this, 'reset');
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}
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this.setup();
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},
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/**
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* Reloads the carousel and adjusts positions.
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*
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* @method reload
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* @return undefined
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*/
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reload: function() {
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if (this.tail !== null && this.inTail) {
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this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + this.tail);
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}
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this.tail = null;
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this.inTail = false;
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if (this.options.reloadCallback !== null) {
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this.options.reloadCallback(this);
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}
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if (this.options.visible !== null) {
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var self = this;
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var di = Math.ceil(this.clipping() / this.options.visible), wh = 0, lt = 0;
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this.list.children('li').each(function(i) {
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wh += self.dimension(this, di);
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if (i + 1 < self.first) {
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lt = wh;
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}
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});
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this.list.css(this.wh, wh + 'px');
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this.list.css(this.lt, -lt + 'px');
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}
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this.scroll(this.first, false);
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},
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/**
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* Locks the carousel.
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*
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* @method lock
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* @return undefined
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*/
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lock: function() {
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this.locked = true;
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this.buttons();
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},
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/**
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* Unlocks the carousel.
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*
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* @method unlock
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* @return undefined
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*/
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unlock: function() {
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this.locked = false;
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this.buttons();
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},
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/**
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* Sets the size of the carousel.
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*
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* @method size
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* @return undefined
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* @param s {Number} The size of the carousel.
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*/
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size: function(s) {
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if (s !== undefined) {
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this.options.size = s;
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if (!this.locked) {
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this.buttons();
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}
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}
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return this.options.size;
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},
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/**
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* Checks whether a list element exists for the given index (or index range).
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*
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* @method get
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* @return bool
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* @param i {Number} The index of the (first) element.
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* @param i2 {Number} The index of the last element.
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*/
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has: function(i, i2) {
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if (i2 === undefined || !i2) {
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i2 = i;
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}
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if (this.options.size !== null && i2 > this.options.size) {
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i2 = this.options.size;
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}
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for (var j = i; j <= i2; j++) {
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var e = this.get(j);
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if (!e.length || e.hasClass('jcarousel-item-placeholder')) {
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return false;
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}
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}
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return true;
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},
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/**
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* Returns a jQuery object with list element for the given index.
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*
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* @method get
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* @return jQuery
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* @param i {Number} The index of the element.
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*/
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get: function(i) {
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return $('>.jcarousel-item-' + i, this.list);
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},
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/**
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* Adds an element for the given index to the list.
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* If the element already exists, it updates the inner html.
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* Returns the created element as jQuery object.
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*
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* @method add
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* @return jQuery
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* @param i {Number} The index of the element.
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* @param s {String} The innerHTML of the element.
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||
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*/
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add: function(i, s) {
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var e = this.get(i), old = 0, n = $(s);
|
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if (e.length === 0) {
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||
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var c, j = $jc.intval(i);
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e = this.create(i);
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while (true) {
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c = this.get(--j);
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if (j <= 0 || c.length) {
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if (j <= 0) {
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this.list.prepend(e);
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} else {
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c.after(e);
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|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
old = this.dimension(e);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (n.get(0).nodeName.toUpperCase() == 'LI') {
|
||
|
|
e.replaceWith(n);
|
||
|
|
e = n;
|
||
|
|
} else {
|
||
|
|
e.empty().append(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.format(e.removeClass(this.className('jcarousel-item-placeholder')), i);
|
||
|
|
|
||
|
|
var di = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null;
|
||
|
|
var wh = this.dimension(e, di) - old;
|
||
|
|
|
||
|
|
if (i > 0 && i < this.first) {
|
||
|
|
this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - wh + 'px');
|
||
|
|
}
|
||
|
|
|
||
|
|
this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) + wh + 'px');
|
||
|
|
|
||
|
|
return e;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Removes an element for the given index from the list.
|
||
|
|
*
|
||
|
|
* @method remove
|
||
|
|
* @return undefined
|
||
|
|
* @param i {Number} The index of the element.
|
||
|
|
*/
|
||
|
|
remove: function(i) {
|
||
|
|
var e = this.get(i);
|
||
|
|
|
||
|
|
// Check if item exists and is not currently visible
|
||
|
|
if (!e.length || (i >= this.first && i <= this.last)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
var d = this.dimension(e);
|
||
|
|
|
||
|
|
if (i < this.first) {
|
||
|
|
this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + d + 'px');
|
||
|
|
}
|
||
|
|
|
||
|
|
e.remove();
|
||
|
|
|
||
|
|
this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) - d + 'px');
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Moves the carousel forwards.
|
||
|
|
*
|
||
|
|
* @method next
|
||
|
|
* @return undefined
|
||
|
|
*/
|
||
|
|
next: function() {
|
||
|
|
if (this.tail !== null && !this.inTail) {
|
||
|
|
this.scrollTail(false);
|
||
|
|
} else {
|
||
|
|
this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'last') && this.options.size !== null && this.last == this.options.size) ? 1 : this.first + this.options.scroll);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Moves the carousel backwards.
|
||
|
|
*
|
||
|
|
* @method prev
|
||
|
|
* @return undefined
|
||
|
|
*/
|
||
|
|
prev: function() {
|
||
|
|
if (this.tail !== null && this.inTail) {
|
||
|
|
this.scrollTail(true);
|
||
|
|
} else {
|
||
|
|
this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'first') && this.options.size !== null && this.first == 1) ? this.options.size : this.first - this.options.scroll);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Scrolls the tail of the carousel.
|
||
|
|
*
|
||
|
|
* @method scrollTail
|
||
|
|
* @return undefined
|
||
|
|
* @param b {Boolean} Whether scroll the tail back or forward.
|
||
|
|
*/
|
||
|
|
scrollTail: function(b) {
|
||
|
|
if (this.locked || this.animating || !this.tail) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
this.pauseAuto();
|
||
|
|
|
||
|
|
var pos = $jc.intval(this.list.css(this.lt));
|
||
|
|
|
||
|
|
pos = !b ? pos - this.tail : pos + this.tail;
|
||
|
|
this.inTail = !b;
|
||
|
|
|
||
|
|
// Save for callbacks
|
||
|
|
this.prevFirst = this.first;
|
||
|
|
this.prevLast = this.last;
|
||
|
|
|
||
|
|
this.animate(pos);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Scrolls the carousel to a certain position.
|
||
|
|
*
|
||
|
|
* @method scroll
|
||
|
|
* @return undefined
|
||
|
|
* @param i {Number} The index of the element to scoll to.
|
||
|
|
* @param a {Boolean} Flag indicating whether to perform animation.
|
||
|
|
*/
|
||
|
|
scroll: function(i, a) {
|
||
|
|
if (this.locked || this.animating) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
this.pauseAuto();
|
||
|
|
this.animate(this.pos(i), a);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepares the carousel and return the position for a certian index.
|
||
|
|
*
|
||
|
|
* @method pos
|
||
|
|
* @return {Number}
|
||
|
|
* @param i {Number} The index of the element to scoll to.
|
||
|
|
* @param fv {Boolean} Whether to force last item to be visible.
|
||
|
|
*/
|
||
|
|
pos: function(i, fv) {
|
||
|
|
var pos = $jc.intval(this.list.css(this.lt));
|
||
|
|
|
||
|
|
if (this.locked || this.animating) {
|
||
|
|
return pos;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.options.wrap != 'circular') {
|
||
|
|
i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size : i);
|
||
|
|
}
|
||
|
|
|
||
|
|
var back = this.first > i;
|
||
|
|
|
||
|
|
// Create placeholders, new list width/height
|
||
|
|
// and new list position
|
||
|
|
var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first;
|
||
|
|
var c = back ? this.get(f) : this.get(this.last);
|
||
|
|
var j = back ? f : f - 1;
|
||
|
|
var e = null, l = 0, p = false, d = 0, g;
|
||
|
|
|
||
|
|
while (back ? --j >= i : ++j < i) {
|
||
|
|
e = this.get(j);
|
||
|
|
p = !e.length;
|
||
|
|
if (e.length === 0) {
|
||
|
|
e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));
|
||
|
|
c[back ? 'before' : 'after' ](e);
|
||
|
|
|
||
|
|
if (this.first !== null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {
|
||
|
|
g = this.get(this.index(j));
|
||
|
|
if (g.length) {
|
||
|
|
e = this.add(j, g.clone(true));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
c = e;
|
||
|
|
d = this.dimension(e);
|
||
|
|
|
||
|
|
if (p) {
|
||
|
|
l += d;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.first !== null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size === null || j <= this.options.size)))) {
|
||
|
|
pos = back ? pos + d : pos - d;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Calculate visible items
|
||
|
|
var clipping = this.clipping(), cache = [], visible = 0, v = 0;
|
||
|
|
c = this.get(i - 1);
|
||
|
|
j = i;
|
||
|
|
|
||
|
|
while (++visible) {
|
||
|
|
e = this.get(j);
|
||
|
|
p = !e.length;
|
||
|
|
if (e.length === 0) {
|
||
|
|
e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));
|
||
|
|
// This should only happen on a next scroll
|
||
|
|
if (c.length === 0) {
|
||
|
|
this.list.prepend(e);
|
||
|
|
} else {
|
||
|
|
c[back ? 'before' : 'after' ](e);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.first !== null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {
|
||
|
|
g = this.get(this.index(j));
|
||
|
|
if (g.length) {
|
||
|
|
e = this.add(j, g.clone(true));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
c = e;
|
||
|
|
d = this.dimension(e);
|
||
|
|
if (d === 0) {
|
||
|
|
throw new Error('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size) {
|
||
|
|
cache.push(e);
|
||
|
|
} else if (p) {
|
||
|
|
l += d;
|
||
|
|
}
|
||
|
|
|
||
|
|
v += d;
|
||
|
|
|
||
|
|
if (v >= clipping) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
j++;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Remove out-of-range placeholders
|
||
|
|
for (var x = 0; x < cache.length; x++) {
|
||
|
|
cache[x].remove();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Resize list
|
||
|
|
if (l > 0) {
|
||
|
|
this.list.css(this.wh, this.dimension(this.list) + l + 'px');
|
||
|
|
|
||
|
|
if (back) {
|
||
|
|
pos -= l;
|
||
|
|
this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - l + 'px');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Calculate first and last item
|
||
|
|
var last = i + visible - 1;
|
||
|
|
if (this.options.wrap != 'circular' && this.options.size && last > this.options.size) {
|
||
|
|
last = this.options.size;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (j > last) {
|
||
|
|
visible = 0;
|
||
|
|
j = last;
|
||
|
|
v = 0;
|
||
|
|
while (++visible) {
|
||
|
|
e = this.get(j--);
|
||
|
|
if (!e.length) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
v += this.dimension(e);
|
||
|
|
if (v >= clipping) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var first = last - visible + 1;
|
||
|
|
if (this.options.wrap != 'circular' && first < 1) {
|
||
|
|
first = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.inTail && back) {
|
||
|
|
pos += this.tail;
|
||
|
|
this.inTail = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
this.tail = null;
|
||
|
|
if (this.options.wrap != 'circular' && last == this.options.size && (last - visible + 1) >= 1) {
|
||
|
|
var m = $jc.intval(this.get(last).css(!this.options.vertical ? 'marginRight' : 'marginBottom'));
|
||
|
|
if ((v - m) > clipping) {
|
||
|
|
this.tail = v - clipping - m;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fv && i === this.options.size && this.tail) {
|
||
|
|
pos -= this.tail;
|
||
|
|
this.inTail = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Adjust position
|
||
|
|
while (i-- > first) {
|
||
|
|
pos += this.dimension(this.get(i));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Save visible item range
|
||
|
|
this.prevFirst = this.first;
|
||
|
|
this.prevLast = this.last;
|
||
|
|
this.first = first;
|
||
|
|
this.last = last;
|
||
|
|
|
||
|
|
return pos;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Animates the carousel to a certain position.
|
||
|
|
*
|
||
|
|
* @method animate
|
||
|
|
* @return undefined
|
||
|
|
* @param p {Number} Position to scroll to.
|
||
|
|
* @param a {Boolean} Flag indicating whether to perform animation.
|
||
|
|
*/
|
||
|
|
animate: function(p, a) {
|
||
|
|
if (this.locked || this.animating) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
this.animating = true;
|
||
|
|
|
||
|
|
var self = this;
|
||
|
|
var scrolled = function() {
|
||
|
|
self.animating = false;
|
||
|
|
|
||
|
|
if (p === 0) {
|
||
|
|
self.list.css(self.lt, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!self.autoStopped && (self.options.wrap == 'circular' || self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size === null || self.last < self.options.size || (self.last == self.options.size && self.tail !== null && !self.inTail))) {
|
||
|
|
self.startAuto();
|
||
|
|
}
|
||
|
|
|
||
|
|
self.buttons();
|
||
|
|
self.notify('onAfterAnimation');
|
||
|
|
|
||
|
|
// This function removes items which are appended automatically for circulation.
|
||
|
|
// This prevents the list from growing infinitely.
|
||
|
|
if (self.options.wrap == 'circular' && self.options.size !== null) {
|
||
|
|
for (var i = self.prevFirst; i <= self.prevLast; i++) {
|
||
|
|
if (i !== null && !(i >= self.first && i <= self.last) && (i < 1 || i > self.options.size)) {
|
||
|
|
self.remove(i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
this.notify('onBeforeAnimation');
|
||
|
|
|
||
|
|
// Animate
|
||
|
|
if (!this.options.animation || a === false) {
|
||
|
|
this.list.css(this.lt, p + 'px');
|
||
|
|
scrolled();
|
||
|
|
} else {
|
||
|
|
var o = !this.options.vertical ? (this.options.rtl ? {'right': p} : {'left': p}) : {'top': p};
|
||
|
|
// Define animation settings.
|
||
|
|
var settings = {
|
||
|
|
duration: this.options.animation,
|
||
|
|
easing: this.options.easing,
|
||
|
|
complete: scrolled
|
||
|
|
};
|
||
|
|
// If we have a step callback, specify it as well.
|
||
|
|
if ($.isFunction(this.options.animationStepCallback)) {
|
||
|
|
settings.step = this.options.animationStepCallback;
|
||
|
|
}
|
||
|
|
// Start the animation.
|
||
|
|
this.list.animate(o, settings);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts autoscrolling.
|
||
|
|
*
|
||
|
|
* @method auto
|
||
|
|
* @return undefined
|
||
|
|
* @param s {Number} Seconds to periodically autoscroll the content.
|
||
|
|
*/
|
||
|
|
startAuto: function(s) {
|
||
|
|
if (s !== undefined) {
|
||
|
|
this.options.auto = s;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.options.auto === 0) {
|
||
|
|
return this.stopAuto();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.timer !== null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
this.autoStopped = false;
|
||
|
|
|
||
|
|
var self = this;
|
||
|
|
this.timer = window.setTimeout(function() { self.next(); }, this.options.auto * 1000);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Stops autoscrolling.
|
||
|
|
*
|
||
|
|
* @method stopAuto
|
||
|
|
* @return undefined
|
||
|
|
*/
|
||
|
|
stopAuto: function() {
|
||
|
|
this.pauseAuto();
|
||
|
|
this.autoStopped = true;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Pauses autoscrolling.
|
||
|
|
*
|
||
|
|
* @method pauseAuto
|
||
|
|
* @return undefined
|
||
|
|
*/
|
||
|
|
pauseAuto: function() {
|
||
|
|
if (this.timer === null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
window.clearTimeout(this.timer);
|
||
|
|
this.timer = null;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the states of the prev/next buttons.
|
||
|
|
*
|
||
|
|
* @method buttons
|
||
|
|
* @return undefined
|
||
|
|
*/
|
||
|
|
buttons: function(n, p) {
|
||
|
|
if (n == null) {
|
||
|
|
n = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'first') || this.options.size === null || this.last < this.options.size);
|
||
|
|
if (!this.locked && (!this.options.wrap || this.options.wrap == 'first') && this.options.size !== null && this.last >= this.options.size) {
|
||
|
|
n = this.tail !== null && !this.inTail;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (p == null) {
|
||
|
|
p = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'last') || this.first > 1);
|
||
|
|
if (!this.locked && (!this.options.wrap || this.options.wrap == 'last') && this.options.size !== null && this.first == 1) {
|
||
|
|
p = this.tail !== null && this.inTail;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var self = this;
|
||
|
|
|
||
|
|
if (this.buttonNext.size() > 0) {
|
||
|
|
this.buttonNext.unbind(this.options.buttonNextEvent + '.jcarousel', this.funcNext);
|
||
|
|
|
||
|
|
if (n) {
|
||
|
|
this.buttonNext.bind(this.options.buttonNextEvent + '.jcarousel', this.funcNext);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.buttonNext[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true);
|
||
|
|
|
||
|
|
if (this.options.buttonNextCallback !== null && this.buttonNext.data('jcarouselstate') != n) {
|
||
|
|
this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); }).data('jcarouselstate', n);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (this.options.buttonNextCallback !== null && this.buttonNextState != n) {
|
||
|
|
this.options.buttonNextCallback(self, null, n);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.buttonPrev.size() > 0) {
|
||
|
|
this.buttonPrev.unbind(this.options.buttonPrevEvent + '.jcarousel', this.funcPrev);
|
||
|
|
|
||
|
|
if (p) {
|
||
|
|
this.buttonPrev.bind(this.options.buttonPrevEvent + '.jcarousel', this.funcPrev);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.buttonPrev[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true);
|
||
|
|
|
||
|
|
if (this.options.buttonPrevCallback !== null && this.buttonPrev.data('jcarouselstate') != p) {
|
||
|
|
this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); }).data('jcarouselstate', p);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (this.options.buttonPrevCallback !== null && this.buttonPrevState != p) {
|
||
|
|
this.options.buttonPrevCallback(self, null, p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
this.buttonNextState = n;
|
||
|
|
this.buttonPrevState = p;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Notify callback of a specified event.
|
||
|
|
*
|
||
|
|
* @method notify
|
||
|
|
* @return undefined
|
||
|
|
* @param evt {String} The event name
|
||
|
|
*/
|
||
|
|
notify: function(evt) {
|
||
|
|
var state = this.prevFirst === null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev');
|
||
|
|
|
||
|
|
// Load items
|
||
|
|
this.callback('itemLoadCallback', evt, state);
|
||
|
|
|
||
|
|
if (this.prevFirst !== this.first) {
|
||
|
|
this.callback('itemFirstInCallback', evt, state, this.first);
|
||
|
|
this.callback('itemFirstOutCallback', evt, state, this.prevFirst);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.prevLast !== this.last) {
|
||
|
|
this.callback('itemLastInCallback', evt, state, this.last);
|
||
|
|
this.callback('itemLastOutCallback', evt, state, this.prevLast);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.callback('itemVisibleInCallback', evt, state, this.first, this.last, this.prevFirst, this.prevLast);
|
||
|
|
this.callback('itemVisibleOutCallback', evt, state, this.prevFirst, this.prevLast, this.first, this.last);
|
||
|
|
},
|
||
|
|
|
||
|
|
callback: function(cb, evt, state, i1, i2, i3, i4) {
|
||
|
|
if (this.options[cb] == null || (typeof this.options[cb] != 'object' && evt != 'onAfterAnimation')) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
var callback = typeof this.options[cb] == 'object' ? this.options[cb][evt] : this.options[cb];
|
||
|
|
|
||
|
|
if (!$.isFunction(callback)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
var self = this;
|
||
|
|
|
||
|
|
if (i1 === undefined) {
|
||
|
|
callback(self, state, evt);
|
||
|
|
} else if (i2 === undefined) {
|
||
|
|
this.get(i1).each(function() { callback(self, this, i1, state, evt); });
|
||
|
|
} else {
|
||
|
|
var call = function(i) {
|
||
|
|
self.get(i).each(function() { callback(self, this, i, state, evt); });
|
||
|
|
};
|
||
|
|
for (var i = i1; i <= i2; i++) {
|
||
|
|
if (i !== null && !(i >= i3 && i <= i4)) {
|
||
|
|
call(i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
create: function(i) {
|
||
|
|
return this.format('<li></li>', i);
|
||
|
|
},
|
||
|
|
|
||
|
|
format: function(e, i) {
|
||
|
|
e = $(e);
|
||
|
|
var split = e.get(0).className.split(' ');
|
||
|
|
for (var j = 0; j < split.length; j++) {
|
||
|
|
if (split[j].indexOf('jcarousel-') != -1) {
|
||
|
|
e.removeClass(split[j]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
e.addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i)).css({
|
||
|
|
'float': (this.options.rtl ? 'right' : 'left'),
|
||
|
|
'list-style': 'none'
|
||
|
|
}).attr('jcarouselindex', i);
|
||
|
|
return e;
|
||
|
|
},
|
||
|
|
|
||
|
|
className: function(c) {
|
||
|
|
return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical');
|
||
|
|
},
|
||
|
|
|
||
|
|
dimension: function(e, d) {
|
||
|
|
var el = $(e);
|
||
|
|
|
||
|
|
if (d == null) {
|
||
|
|
return !this.options.vertical ?
|
||
|
|
(el.outerWidth(true) || $jc.intval(this.options.itemFallbackDimension)) :
|
||
|
|
(el.outerHeight(true) || $jc.intval(this.options.itemFallbackDimension));
|
||
|
|
} else {
|
||
|
|
var w = !this.options.vertical ?
|
||
|
|
d - $jc.intval(el.css('marginLeft')) - $jc.intval(el.css('marginRight')) :
|
||
|
|
d - $jc.intval(el.css('marginTop')) - $jc.intval(el.css('marginBottom'));
|
||
|
|
|
||
|
|
$(el).css(this.wh, w + 'px');
|
||
|
|
|
||
|
|
return this.dimension(el);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
clipping: function() {
|
||
|
|
return !this.options.vertical ?
|
||
|
|
this.clip[0].offsetWidth - $jc.intval(this.clip.css('borderLeftWidth')) - $jc.intval(this.clip.css('borderRightWidth')) :
|
||
|
|
this.clip[0].offsetHeight - $jc.intval(this.clip.css('borderTopWidth')) - $jc.intval(this.clip.css('borderBottomWidth'));
|
||
|
|
},
|
||
|
|
|
||
|
|
index: function(i, s) {
|
||
|
|
if (s == null) {
|
||
|
|
s = this.options.size;
|
||
|
|
}
|
||
|
|
|
||
|
|
return Math.round((((i-1) / s) - Math.floor((i-1) / s)) * s) + 1;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
$jc.extend({
|
||
|
|
/**
|
||
|
|
* Gets/Sets the global default configuration properties.
|
||
|
|
*
|
||
|
|
* @method defaults
|
||
|
|
* @return {Object}
|
||
|
|
* @param d {Object} A set of key/value pairs to set as configuration properties.
|
||
|
|
*/
|
||
|
|
defaults: function(d) {
|
||
|
|
return $.extend(defaults, d || {});
|
||
|
|
},
|
||
|
|
|
||
|
|
intval: function(v) {
|
||
|
|
v = parseInt(v, 10);
|
||
|
|
return isNaN(v) ? 0 : v;
|
||
|
|
},
|
||
|
|
|
||
|
|
windowLoaded: function() {
|
||
|
|
windowLoaded = true;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a carousel for all matched elements.
|
||
|
|
*
|
||
|
|
* @example $("#mycarousel").jcarousel();
|
||
|
|
* @before <ul id="mycarousel" class="jcarousel-skin-name"><li>First item</li><li>Second item</li></ul>
|
||
|
|
* @result
|
||
|
|
*
|
||
|
|
* <div class="jcarousel-skin-name">
|
||
|
|
* <div class="jcarousel-container">
|
||
|
|
* <div class="jcarousel-clip">
|
||
|
|
* <ul class="jcarousel-list">
|
||
|
|
* <li class="jcarousel-item-1">First item</li>
|
||
|
|
* <li class="jcarousel-item-2">Second item</li>
|
||
|
|
* </ul>
|
||
|
|
* </div>
|
||
|
|
* <div disabled="disabled" class="jcarousel-prev jcarousel-prev-disabled"></div>
|
||
|
|
* <div class="jcarousel-next"></div>
|
||
|
|
* </div>
|
||
|
|
* </div>
|
||
|
|
*
|
||
|
|
* @method jcarousel
|
||
|
|
* @return jQuery
|
||
|
|
* @param o {Hash|String} A set of key/value pairs to set as configuration properties or a method name to call on a formerly created instance.
|
||
|
|
*/
|
||
|
|
$.fn.jcarousel = function(o) {
|
||
|
|
if (typeof o == 'string') {
|
||
|
|
var instance = $(this).data('jcarousel'), args = Array.prototype.slice.call(arguments, 1);
|
||
|
|
return instance[o].apply(instance, args);
|
||
|
|
} else {
|
||
|
|
return this.each(function() {
|
||
|
|
var instance = $(this).data('jcarousel');
|
||
|
|
if (instance) {
|
||
|
|
if (o) {
|
||
|
|
$.extend(instance.options, o);
|
||
|
|
}
|
||
|
|
instance.reload();
|
||
|
|
} else {
|
||
|
|
$(this).data('jcarousel', new $jc(this, o));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
})(jQuery);
|