/*!
* jCarousel - Riding carousels with jQuery
*   http://sorgalla.com/jcarousel/
*
* Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*
* Built on top of the jQuery library
*   http://jquery.com
*
* Inspired by the "Carousel Component" by Bill Scott
*   http://billwscott.com/carousel/
*/
(function ($) { var defaults = { vertical: false, rtl: false, start: 1, offset: 1, size: null, scroll: 3, visible: null, animation: 'normal', easing: 'swing', 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, itemFallbackDimension: null }, windowLoaded = false; $(window).bind('load.jcarousel', function () { windowLoaded = true }); $.jcarousel = function (e, o) { this.options = $.extend({}, defaults, o || {}); this.locked = false; this.autoStopped = false; this.container = null; this.clip = null; this.list = null; this.buttonNext = null; this.buttonPrev = null; this.buttonNextState = null; this.buttonPrevState = null; if (!o || o.rtl === undefined) { this.options.rtl = ($(e).attr('dir') || $('html').attr('dir') || '').toLowerCase() == 'rtl' } this.wh = !this.options.vertical ? 'width' : 'height'; this.lt = !this.options.vertical ? (this.options.rtl ? 'right' : 'left') : 'top'; var skin = '', split = e.className.split(' '); for (var i = 0; i < split.length; i++) { if (split[i].indexOf('jcarousel-skin') != -1) { $(e).removeClass(split[i]); skin = split[i]; break } } if (e.nodeName.toUpperCase() == 'UL' || e.nodeName.toUpperCase() == 'OL') { this.list = $(e); this.container = this.list.parent(); if (this.container.hasClass('jcarousel-clip')) { if (!this.container.parent().hasClass('jcarousel-container')) { this.container = this.container.wrap('<div></div>') } this.container = this.container.parent() } else if (!this.container.hasClass('jcarousel-container')) { this.container = this.list.wrap('<div></div>').parent() } } else { this.container = $(e); this.list = this.container.find('ul,ol').eq(0) } if (skin !== '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1) { this.container.wrap('<div class=" ' + skin + '"></div>') } this.clip = this.list.parent(); if (!this.clip.length || !this.clip.hasClass('jcarousel-clip')) { this.clip = this.list.wrap('<div></div>').parent() } this.buttonNext = $('.jcarousel-next', this.container); if (this.buttonNext.size() === 0 && this.options.buttonNextHTML !== null) { this.buttonNext = this.clip.after(this.options.buttonNextHTML).next() } this.buttonNext.addClass(this.className('jcarousel-next')); this.buttonPrev = $('.jcarousel-prev', this.container); if (this.buttonPrev.size() === 0 && this.options.buttonPrevHTML !== null) { this.buttonPrev = this.clip.after(this.options.buttonPrevHTML).next() } this.buttonPrev.addClass(this.className('jcarousel-prev')); this.clip.addClass(this.className('jcarousel-clip')).css({ overflow: 'hidden', position: 'relative' }); this.list.addClass(this.className('jcarousel-list')).css({ overflow: 'hidden', position: 'relative', top: 0, margin: 0, padding: 0 }).css((this.options.rtl ? 'right' : 'left'), 0); this.container.addClass(this.className('jcarousel-container')).css({ position: 'relative' }); if (!this.options.vertical && this.options.rtl) { this.container.addClass('jcarousel-direction-rtl').attr('dir', 'rtl') } var di = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null; var li = this.list.children('li'); var self = this; if (li.size() > 0) { var wh = 0, j = this.options.offset; li.each(function () { self.format(this, j++); wh += self.dimension(this, di) }); this.list.css(this.wh, (wh + 100) + 'px'); if (!o || o.size === undefined) { this.options.size = li.size() } } 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.funcResize = function () { self.reload() }; if (this.options.initCallback !== null) { this.options.initCallback(this, 'init') } if (!windowLoaded && $.browser.safari) { this.buttons(false, false); $(window).bind('load.jcarousel', function () { self.setup() }) } else { this.setup() } }; var $jc = $.jcarousel; $jc.fn = $jc.prototype = { jcarousel: '0.2.7' }; $jc.fn.extend = $jc.extend = $.extend; $jc.fn.extend({ 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; if (this.locked) { return } this.list.css(this.lt, this.pos(this.options.offset) + 'px'); var p = this.pos(this.options.start, true); this.prevFirst = this.prevLast = null; this.animate(p, false); $(window).unbind('resize.jcarousel', this.funcResize).bind('resize.jcarousel', this.funcResize) }, reset: function () { this.list.empty(); this.list.css(this.lt, '0px'); this.list.css(this.wh, '10px'); if (this.options.initCallback !== null) { this.options.initCallback(this, 'reset') } this.setup() }, 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; this.list.children('li').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) }, lock: function () { this.locked = true; this.buttons() }, unlock: function () { this.locked = false; this.buttons() }, size: function (s) { if (s !== undefined) { this.options.size = s; if (!this.locked) { this.buttons() } } return this.options.size }, has: function (i, i2) { if (i2 === undefined || !i2) { i2 = i } if (this.options.size !== null && i2 > this.options.size) { i2 = this.options.size } for (var j = i; j <= i2; j++) { var e = this.get(j); if (!e.length || e.hasClass('jcarousel-item-placeholder')) { return false } } return true }, get: function (i) { return $('.jcarousel-item-' + i, this.list) }, add: function (i, s) { var e = this.get(i), old = 0, n = $(s); if (e.length === 0) { var c, j = $jc.intval(i); e = this.create(i); while (true) { c = this.get(--j); if (j <= 0 || c.length) { if (j <= 0) { this.list.prepend(e) } else { c.after(e) } 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 }, remove: function (i) { var e = this.get(i); 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') }, next: function () { var currentItem, LargeVersion; 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); if (this.list.parents('.contain').find('.landmarkLarge a')) { LargeVersion = this.list.parents('.contain').find('.landmarkLarge a'); currentItem = this.first - 1; var elUrl = this.list.children('li:eq(' + currentItem + ')').find('a').attr('href'); this.list.children('li a').unbind(); $(LargeVersion).attr('href', elUrl); Shadowbox.setup('p.landmarkLarge a', { overlayOpacity: 0.8 }) } } }, 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); if (this.list.parents('.contain').find('.landmarkLarge a')) { LargeVersion = this.list.parents('.contain').find('.landmarkLarge a'); currentItem = this.first - 1; var elUrl = this.list.children('li:eq(' + currentItem + ')').find('a').attr('href'); this.list.children('li a').unbind(); $(LargeVersion).attr('href', elUrl); Shadowbox.setup('p.landmarkLarge a', { overlayOpacity: 0.8 }) } } }, 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; this.prevFirst = this.first; this.prevLast = this.last; this.animate(pos) }, scroll: function (i, a) { if (this.locked || this.animating) { return } this.pauseAuto(); this.animate(this.pos(i), a) }, 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; 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 } } 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')); 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++ } for (var x = 0; x < cache.length; x++) { cache[x].remove() } 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') } } 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.margin(this.get(last), !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 } while (i-- > first) { pos += this.dimension(this.get(i)) } this.prevFirst = this.first; this.prevLast = this.last; this.first = first; this.last = last; return pos }, 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'); 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'); 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 }; this.list.animate(o, this.options.animation, this.options.easing, scrolled) } }, 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) }, stopAuto: function () { this.pauseAuto(); this.autoStopped = true }, pauseAuto: function () { if (this.timer === null) { return } window.clearTimeout(this.timer); this.timer = null }, 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: function (evt) { var state = this.prevFirst === null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev'); 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.jquery !== undefined ? e[0] : e; var old = !this.options.vertical ? (el.offsetWidth || $jc.intval(this.options.itemFallbackDimension)) + $jc.margin(el, 'marginLeft') + $jc.margin(el, 'marginRight') : (el.offsetHeight || $jc.intval(this.options.itemFallbackDimension)) + $jc.margin(el, 'marginTop') + $jc.margin(el, 'marginBottom'); if (d == null || 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 == null) { s = this.options.size } return Math.round((((i - 1) / s) - Math.floor((i - 1) / s)) * s) + 1 } }); $jc.extend({ defaults: function (d) { return $.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, 10); return isNaN(v) ? 0 : v } }); $.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 () { $(this).data('jcarousel', new $jc(this, o)) }) } } })(jQuery);