(function($) { $.fn.jCarouselLite = function(o) { o = $.extend({ btnPrev: null, btnNext: null, btnGo: null, btnStart: null, btnStop: null, mouseWheel: false, auto: null, speed: 200, easing: null, vertical: false, circular: true, visible: 3, start: 0, scroll: 1, beforeStart: null, afterEnd: null }, o || {}); return this.each(function() { var b = false, animCss = o.vertical ? "top" : "left", sizeCss = o.vertical ? "height" : "width"; var f = $(this), ul = $("ul", f), tLi = $("li", ul), tl = tLi.size(), v = o.visible; if (o.circular) { ul.prepend(tLi.slice(tl - v - 1 + 1).clone()).append(tLi.slice(0, v).clone()); o.start += v } var g = $("li", ul), itemLength = g.size(), curr = o.start; f.css("visibility", "visible"); g.css({ overflow: "hidden", float: o.vertical ? "none" : "left" }); ul.css({ margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1" }); f.css({ overflow: "hidden", position: "relative", "z-index": "2", left: "0px" }); var h = o.vertical ? height(g) : width(g); var j = h * itemLength; var k = h * v; g.css({ width: g.width(), height: g.height() }); ul.css(sizeCss, j + "px").css(animCss, -(curr * h)); f.css(sizeCss, k + "px"); if (o.btnPrev) $(o.btnPrev).click(function() { return go(curr - o.scroll) }); if (o.btnNext) $(o.btnNext).click(function() { return go(curr + o.scroll) }); if (o.btnGo) $.each(o.btnGo, function(i, a) { $(a).click(function() { if (l) { clearInterval(l); l = setInterval(function() { go(curr + o.scroll) }, o.auto + o.speed) } return go(o.circular ? o.visible + i : i) }) }); var l; if (o.btnStart) { $(o.btnStart).live('click', function(e) { if (!l) { l = setInterval(function() { go(curr + o.scroll) }, o.auto + o.speed) } e.preventDefault() }) } if (o.btnStop) { $(o.btnStop).live('click', function(e) { if (l) { clearInterval(l); l = null } e.preventDefault() }) } if (o.mouseWheel && f.mousewheel) f.mousewheel(function(e, d) { return d > 0 ? go(curr - o.scroll) : go(curr + o.scroll) }); if (o.auto) l = setInterval(function() { go(curr + o.scroll) }, o.auto + o.speed); function vis() { return g.slice(curr).slice(0, v) }; function go(a) { if (!b) { if (o.beforeStart) o.beforeStart.call(this, a, vis()); if (o.circular) { if (a <= o.start - v - 1) { ul.css(animCss, -((itemLength - (v * 2)) * h) + "px"); curr = a == o.start - v - 1 ? itemLength - (v * 2) - 1 : itemLength - (v * 2) - o.scroll } else if (a >= itemLength - v + 1) { ul.css(animCss, -((v) * h) + "px"); curr = a == itemLength - v + 1 ? v + 1 : v + o.scroll } else curr = a } else { if (a < 0 || a > itemLength - v) return; else curr = a } b = true; ul.animate(animCss == "left" ? { left: -(curr * h)} : { top: -(curr * h) }, o.speed, o.easing, function() { if (o.afterEnd) { var c = curr; if (curr > itemLength - 2) c = curr - itemLength + 2; o.afterEnd.call(this, c, vis()) } b = false }); if (!o.circular) { $(o.btnPrev + "," + o.btnNext).removeClass("disabled"); $((curr - o.scroll < 0 && o.btnPrev) || (curr + o.scroll > itemLength - v && o.btnNext) || []).addClass("disabled") } } return false } }) }; function css(a, b) { return parseInt($.css(a[0], b)) || 0 }; function width(a) { return a[0].offsetWidth + css(a, 'marginLeft') + css(a, 'marginRight') }; function height(a) { return a[0].offsetHeight + css(a, 'marginTop') + css(a, 'marginBottom') } })(jQuery);