+++ /dev/null
-/**
- * jCarousel - Riding carousels with jQuery
- * http://sorgalla.com/jcarousel/
- *
- * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * and GPL (GPL-LICENSE.txt) licenses.
- *
- * Built on top of the jQuery library
- * http://jquery.com
- *
- * Inspired by the "Carousel Component" by Bill Scott
- * http://billwscott.com/carousel/
- */
-
-(function($) {
- /**
- * Creates a carousel for all matched elements.
- *
- * @example $("#mycarousel").jcarousel();
- * @before <ul id="mycarousel"><li>First item</li><li>Second item</li></ul>
- * @result
- *
- * <div class="jcarousel-skin-name jcarousel-container">
- * <div disabled="disabled" class="jcarousel-prev jcarousel-prev-disabled"></div>
- * <div class="jcarousel-next"></div>
- * <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>
- *
- * @name jcarousel
- * @type jQuery
- * @param Hash o A set of key/value pairs to set as configuration properties.
- * @cat Plugins/jCarousel
- */
- $.fn.jcarousel = function(o) {
- return this.each(function() {
- new $jc(this, o);
- });
- };
-
- // Default configuration properties.
- var defaults = {
- vertical: false,
- start: 1,
- size: null,
- scroll: 3,
- visible: null,
- animation: 'fast',
- easing: null,
- auto: 0,
- wrap: null,
- initCallback: null,
- reloadCallback: null,
- itemLoadCallback: null,
- itemFirstInCallback: null,
- itemFirstOutCallback: null,
- itemLastInCallback: null,
- itemLastOutCallback: null,
- itemVisibleInCallback: null,
- itemVisibleOutCallback: null,
- buttonNextHTML: '<div></div>',
- buttonPrevHTML: '<div></div>',
- buttonNextEvent: 'click',
- buttonPrevEvent: 'click',
- buttonNextCallback: null,
- buttonPrevCallback: null
- };
-
- /**
- * The jCarousel object.
- *
- * @constructor
- * @name $.jcarousel
- * @param Object e The element to create the carousel for.
- * @param Hash o A set of key/value pairs to set as configuration properties.
- * @cat Plugins/jCarousel
- */
- $.jcarousel = function(e, o) {
- this.options = $.extend({}, defaults, o || {});
-
- this.container = null;
- this.clip = null;
- this.list = null;
- this.buttonNext = null;
- this.buttonPrev = null;
-
- this.wh = !this.options.vertical ? 'width' : 'height';
- this.lt = !this.options.vertical ? 'left' : 'top';
-
- if (e.nodeName == 'UL' || e.nodeName == 'OL') {
- this.list = $(e);
- this.container = this.list.parent();
-
- if ($.className.has(this.container[0].className, 'jcarousel-clip')) {
- if (!$.className.has(this.container[0].parentNode.className, 'jcarousel-container'))
- this.container = this.container.wrap('<div></div>');
-
- this.container = this.container.parent();
- } else if (!$.className.has(this.container[0].className, 'jcarousel-container'))
- this.container = this.list.wrap('<div></div>').parent();
-
- // Move skin class over to container
- var split = e.className.split(' ');
-
- for (var i = 0; i < split.length; i++) {
- if (split[i].indexOf('jcarousel-skin') != -1) {
- this.list.removeClass(split[i]);
- this.container.addClass(split[i]);
- break;
- }
- }
- } else {
- this.container = $(e);
- this.list = $('ul,ol', e);
- }
-
- this.clip = this.list.parent();
-
- if (!this.clip.length || !$.className.has(this.clip[0].className, 'jcarousel-clip'))
- this.clip = this.list.wrap('<div></div>').parent();
-
- this.buttonPrev = $('.jcarousel-prev', this.container);
-
- if (this.buttonPrev.size() == 0 && this.options.buttonPrevHTML != null)
- this.buttonPrev = this.clip.before(this.options.buttonPrevHTML).prev();
-
- this.buttonPrev.addClass(this.className('jcarousel-prev'));
-
- this.buttonNext = $('.jcarousel-next', this.container);
-
- if (this.buttonNext.size() == 0 && this.options.buttonNextHTML != null)
- this.buttonNext = this.clip.before(this.options.buttonNextHTML).prev();
-
- this.buttonNext.addClass(this.className('jcarousel-next'));
-
- this.clip.addClass(this.className('jcarousel-clip'));
- this.list.addClass(this.className('jcarousel-list'));
- this.container.addClass(this.className('jcarousel-container'));
-
- var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
- var li = $('li', this.list);
-
- var self = this;
-
- if (li.size() > 0) {
- var wh = 0, i = this.options.start;
- li.each(function() {
- self.format(this, i++);
- wh += self.dimension(this, di);
- });
-
- this.list.css(this.wh, wh + 'px');
-
- // Only set if not explicitly passed as option
- if (!o || o.size == undefined)
- this.options.size = li.size();
- }
-
- // For whatever reason, .show() does not work in Safari...
- this.container.css('display', 'block');
- this.buttonNext.css('display', 'block');
- this.buttonPrev.css('display', 'block');
-
- this.funcNext = function() { self.next(); };
- this.funcPrev = function() { self.prev(); };
- this.funcStop = function() { self.stop(); };
- this.funcResize = function() { self.reload(); };
-
- this.init();
- };
-
- // Create shortcut for internal use
- var $jc = $.jcarousel;
-
- $jc.fn = $jc.prototype = {
- jcarousel: '2.0.0'
- };
-
- $jc.fn.extend = $jc.extend = $.extend;
-
- $jc.fn.extend({
- /**
- * Setups the carousel.
- *
- * @name setup
- * @type undefined
- * @cat Plugins/jCarousel
- */
- setup: function() {
- this.first = null;
- this.last = null;
- this.prevFirst = null;
- this.prevLast = null;
- this.animating = false;
- this.timer = null;
- this.tail = null;
- this.inTail = false;
- this.locked = false;
-
- this.scroll(this.options.start, false);
- },
-
- /**
- * Initialises the carousel.
- *
- * @name init
- * @type undefined
- * @cat Plugins/jCarousel
- */
- init: function() {
- if (this.options.initCallback != null)
- this.options.initCallback(this, 'init');
-
- this.setup();
- $(window).bind('resize', this.funcResize);
- },
-
- /**
- * Clears the list and resets the carousel.
- *
- * @name reset
- * @type undefined
- * @cat Plugins/jCarousel
- */
- reset: function() {
- this.list.empty();
-
- this.list.css(this.lt, '0px');
- this.list.css(this.wh, '0px');
-
- if (this.options.initCallback != null)
- this.options.initCallback(this, 'reset');
-
- this.setup();
- },
-
- /**
- * Reloads the carousel and adjusts positions.
- *
- * @name reload
- * @type undefined
- * @cat Plugins/jCarousel
- */
- reload: function() {
- if (this.tail != null && this.inTail)
- this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + this.tail);
-
- this.tail = null;
- this.inTail = false;
-
- if (this.options.reloadCallback != null)
- this.options.reloadCallback(this);
-
- if (this.options.visible != null) {
- var self = this;
- var di = Math.ceil(this.clipping() / this.options.visible), wh = 0, lt = 0;
- $('li', this.list).each(function(i) {
- wh += self.dimension(this, di);
- if (i + 1 < self.first)
- lt = wh;
- });
-
- this.list.css(this.wh, wh + 'px');
- this.list.css(this.lt, -lt + 'px');
- }
-
- this.scroll(this.first, false);
- },
-
- /**
- * Locks the carousel.
- *
- * @name lock
- * @type undefined
- * @cat Plugins/jCarousel
- */
- lock: function() {
- this.locked = true;
- this.buttons();
- },
-
- /**
- * Unlocks the carousel.
- *
- * @name unlock
- * @type undefined
- * @cat Plugins/jCarousel
- */
- unlock: function() {
- this.locked = false;
- this.buttons();
- },
-
- /**
- * Sets the size of the carousel.
- *
- * @name size
- * @type undefined
- * @param Number s The size of the carousel.
- * @cat Plugins/jCarousel
- */
- size: function(s) {
- if (s != undefined) {
- this.options.size = s;
- if (!this.locked)
- this.buttons();
- }
-
- return this.options.size;
- },
-
- /**
- * Checks whether a list element exists for the given index (or index range).
- *
- * @name get
- * @type bool
- * @param Number i The index of the (first) element.
- * @param Number i2 The index of the last element.
- * @cat Plugins/jCarousel
- */
- has: function(i, i2) {
- if (i2 == undefined || !i2)
- i2 = i;
-
- for (var j = i; j <= i2; j++) {
- var e = this.get(j).get(0);
- if (!e || $.className.has(e, 'jcarousel-item-placeholder'))
- return false;
- }
-
- return true;
- },
-
- /**
- * Returns a jQuery object with list element for the given index.
- *
- * @name get
- * @type jQuery
- * @param Number i The index of the element.
- * @cat Plugins/jCarousel
- */
- get: function(i) {
- return $('.jcarousel-item-' + i, this.list);
- },
-
- /**
- * Adds an element for the given index to the list.
- * If the element already exists, it updates the inner html.
- * Returns the created element as jQuery object.
- *
- * @name add
- * @type jQuery
- * @param Number i The index of the element.
- * @param String s The innerHTML of the element.
- * @cat Plugins/jCarousel
- */
- add: function(i, s) {
- var e = this.get(i), old = 0;
-
- if (e.length == 0) {
- var c, e = this.create(i), j = $jc.intval(i);
- while (c = this.get(--j)) {
- if (j <= 0 || c.length) {
- j <= 0 ? this.list.prepend(e) : c.after(e);
- break;
- }
- }
- } else
- old = this.dimension(e);
-
- e.removeClass(this.className('jcarousel-item-placeholder'));
- typeof s == 'string' ? e.html(s) : e.empty().append(s);
-
- 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.
- *
- * @name remove
- * @type undefined
- * @param Number i The index of the element.
- * @cat Plugins/jCarousel
- */
- 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.
- *
- * @name next
- * @type undefined
- * @cat Plugins/jCarousel
- */
- next: function() {
- this.stopAuto();
-
- 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.
- *
- * @name prev
- * @type undefined
- * @cat Plugins/jCarousel
- */
- prev: function() {
- this.stopAuto();
-
- 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.
- *
- * @name scrollTail
- * @type undefined
- * @param Bool b Whether scroll the tail back or forward.
- * @cat Plugins/jCarousel
- */
- scrollTail: function(b) {
- if (this.locked || this.animating || !this.tail)
- return;
-
- var pos = $jc.intval(this.list.css(this.lt));
-
- !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.
- *
- * @name scroll
- * @type undefined
- * @param Number i The index of the element to scoll to.
- * @param Bool a Flag indicating whether to perform animation.
- * @cat Plugins/jCarousel
- */
- scroll: function(i, a) {
- if (this.locked || this.animating)
- return;
-
- this.animate(this.pos(i), a);
- },
-
- /**
- * Prepares the carousel and return the position for a certian index.
- *
- * @name pos
- * @type Number
- * @param Number i The index of the element to scoll to.
- * @cat Plugins/jCarousel
- */
- pos: function(i) {
- if (this.locked || this.animating)
- return;
-
- 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;
- var pos = $jc.intval(this.list.css(this.lt));
-
- // 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;
-
- 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);
- }
-
- 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();
- var cache = [];
- var visible = 0, j = i, v = 0;
- var c = this.get(i - 1);
-
- 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
- c.length == 0 ? this.list.prepend(e) : c[back ? 'before' : 'after' ](e);
- }
-
- c = e;
- d = this.dimension(e);
-
- if (d == 0) {
- alert('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');
- return 0;
- }
-
- 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;
-
- 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.margin(this.get(last), !this.options.vertical ? 'marginRight' : 'marginBottom');
- if ((v - m) > clipping)
- this.tail = v - clipping - m;
- }
-
- // 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.
- *
- * @name animate
- * @type undefined
- * @param mixed p Position to scroll to.
- * @param Bool a Flag indicating whether to perform animation.
- * @cat Plugins/jCarousel
- */
- animate: function(p, a) {
- if (this.locked || this.animating)
- return;
-
- this.animating = true;
-
- var self = this, pos = p;
- var scrolled = function() {
- self.animating = false;
-
- if (pos == 0)
- self.list.css(self.lt, 0);
-
- if (self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size == null || self.last < self.options.size)
- self.startAuto();
-
- self.buttons();
- self.notify('onAfterAnimation');
- };
-
- this.notify('onBeforeAnimation');
-
- // Animate
- if (!this.options.animation || a == false) {
- this.list.css(this.lt, p + 'px');
- scrolled();
- } else {
- var o = !this.options.vertical ? {'left': p} : {'top': p};
- this.list.animate(o, this.options.animation, this.options.easing, scrolled);
- }
- },
-
- /**
- * Starts autoscrolling.
- *
- * @name auto
- * @type undefined
- * @param Number s Seconds to periodically autoscroll the content.
- * @cat Plugins/jCarousel
- */
- startAuto: function(s) {
- if (s != undefined)
- this.options.auto = s;
-
- if (this.options.auto == 0)
- return this.stopAuto();
-
- if (this.timer != null)
- return;
-
- var self = this;
- this.timer = setTimeout(function() { self.next(); }, this.options.auto * 1000);
- },
-
- /**
- * Stops autoscrolling.
- *
- * @name stopAuto
- * @type undefined
- * @cat Plugins/jCarousel
- */
- stopAuto: function() {
- if (this.timer == null)
- return;
-
- clearTimeout(this.timer);
- this.timer = null;
- },
-
- /**
- * Sets the states of the prev/next buttons.
- *
- * @name buttons
- * @type undefined
- * @cat Plugins/jCarousel
- */
- buttons: function(n, p) {
- if (n == undefined || n == null) {
- var 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 == undefined || p == null) {
- var 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;
-
- this.buttonNext[n ? 'bind' : 'unbind'](this.options.buttonNextEvent, this.funcNext)[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true);
- this.buttonPrev[p ? 'bind' : 'unbind'](this.options.buttonPrevEvent, this.funcPrev)[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true);
-
- if (this.buttonNext.length > 0 && (this.buttonNext[0].jcarouselstate == undefined || this.buttonNext[0].jcarouselstate != n) && this.options.buttonNextCallback != null) {
- this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); });
- this.buttonNext[0].jcarouselstate = n;
- }
-
- if (this.buttonPrev.length > 0 && (this.buttonPrev[0].jcarouselstate == undefined || this.buttonPrev[0].jcarouselstate != p) && this.options.buttonPrevCallback != null) {
- this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); });
- this.buttonPrev[0].jcarouselstate = p;
- }
- },
-
- 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] == undefined || (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 {
- for (var i = i1; i <= i2; i++)
- if (!(i >= i3 && i <= i4))
- this.get(i).each(function() { callback(self, this, i, state, evt); });
- }
- },
-
- create: function(i) {
- return this.format('<li></li>', i);
- },
-
- format: function(e, i) {
- var $e = $(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i));
- $e.attr('jcarouselindex', i);
- return $e;
- },
-
- className: function(c) {
- return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical');
- },
-
- dimension: function(e, d) {
- var el = e.jquery != undefined ? e[0] : e;
-
- var old = !this.options.vertical ?
- el.offsetWidth + $jc.margin(el, 'marginLeft') + $jc.margin(el, 'marginRight') :
- el.offsetHeight + $jc.margin(el, 'marginTop') + $jc.margin(el, 'marginBottom');
-
- if (d == undefined || old == d)
- return old;
-
- var w = !this.options.vertical ?
- d - $jc.margin(el, 'marginLeft') - $jc.margin(el, 'marginRight') :
- d - $jc.margin(el, 'marginTop') - $jc.margin(el, '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 == undefined)
- s = this.options.size;
-
- return Math.round((((i-1) / s) - Math.floor((i-1) / s)) * s) + 1;
- }
- });
-
- $jc.extend({
- /**
- * Sets the global default configuration properties.
- *
- * @name defaults
- * @descr Sets the global default configuration properties.
- * @type undefined
- * @param Hash d A set of key/value pairs to set as configuration properties.
- * @cat Plugins/jCarousel
- */
- defaults: function(d) {
- $.extend(defaults, d);
- },
-
- margin: function(e, p) {
- if (!e)
- return 0;
-
- var el = e.jquery != undefined ? e[0] : e;
-
- if (p == 'marginRight' && $.browser.safari) {
- var old = {'display': 'block', 'float': 'none', 'width': 'auto'}, oWidth, oWidth2;
-
- $.swap(el, old, function() { oWidth = el.offsetWidth; });
-
- old['marginRight'] = 0;
- $.swap(el, old, function() { oWidth2 = el.offsetWidth; });
-
- return oWidth2 - oWidth;
- }
-
- return $jc.intval($.css(el, p));
- },
-
- intval: function(v) {
- v = parseInt(v);
- return isNaN(v) ? 0 : v;
- }
- });
-
-})(jQuery);