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- (function ($) {
- $.fn.jCarouselLite = function (o) {
- o = $.extend({
- btnPrev: null,
- btnNext: null,
- btnGo: 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 c = $(this),
- ul = $("ul", c),
- 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 f = $("li", ul),
- itemLength = f.size(),
- curr = o.start;
- c.css("visibility", "visible");
- f.css({
- overflow: "hidden",
- float: o.vertical ? "none" : "left"
- });
- ul.css({
- margin: "0",
- padding: "0",
- position: "relative",
- "list-style-type": "none",
- "z-index": "1"
- });
- c.css({
- overflow: "hidden",
- position: "relative",
- "z-index": "2",
- left: "0px"
- });
- var g = o.vertical ? height(f) : width(f);
- var h = g * itemLength;
- var j = g * v;
- f.css({
- width: f.width(),
- height: f.height()
- });
- ul.css(sizeCss, h + "px").css(animCss, -(curr * g));
- c.css(sizeCss, j + "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 () {
- return go(o.circular ? o.visible + i : i)
- })
- });
- if (o.mouseWheel && c.mousewheel) c.mousewheel(function (e, d) {
- return d > 0 ? go(curr - o.scroll) : go(curr + o.scroll)
- });
- if (o.auto) setInterval(function () {
- go(curr + o.scroll)
- }, o.auto + o.speed);
- function vis() {
- return f.slice(curr).slice(0, v)
- };
- function go(a) {
- if (!b) {
- if (o.beforeStart) o.beforeStart.call(this, vis());
- if (o.circular) {
- if (a <= o.start - v - 1) {
- ul.css(animCss, -((itemLength - (v * 2)) * g) + "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) * g) + "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 * g)
- } : {
- top: -(curr * g)
- }, o.speed, o.easing, function () {
- if (o.afterEnd) o.afterEnd.call(this, 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);
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