2 lines
2.5 KiB
JavaScript
2 lines
2.5 KiB
JavaScript
(function($){$.fn.jCarouselLite=function(o){o=$.extend({btnPrev:null,btnNext:null,btnGo:null,mouseWheel:false,auto:null,speed:200,easing:null,vertical:false,circular:true,visible:3,start:0,scroll:1,beforeStart:null,afterEnd:null},o||{});return this.each(function(){var running=false,animCss=o.vertical?"top":"left",sizeCss=o.vertical?"height":"width";var div=$(this),ul=$("ul",div),tLi=$("li",ul),tl=tLi.size(),v=o.visible;if(o.circular){ul.prepend(tLi.slice(-v).clone(true)).append(tLi.slice(0,v).clone(true));o.start+=v;}var li=$("li",ul),itemLength=li.size(),curr=o.start;div.css("visibility","visible");li.css({overflow:"hidden",float:o.vertical?"none":"left"});ul.css({margin:"0",padding:"0",position:"relative","list-style-type":"none","z-index":"1"});div.css({overflow:"hidden",position:"relative","z-index":"2",left:"0px"});var liSize=o.vertical?height(li):width(li);var ulSize=liSize*itemLength;var divSize=liSize*v;li.css({width:li.width(),height:li.height()});ul.css(sizeCss,ulSize+"px");div.css(sizeCss,divSize+"px");go(curr);if(o.btnPrev){$(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,val){$(val).click(function(){return go(o.circular?v+i:i);});});}if(o.mouseWheel&&div.mousewheel){div.mousewheel(function(e,d){return d>0?go(curr-o.scroll):go(curr+o.scroll);});}if(o.auto){setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);}function vis(){return li.slice(curr).slice(0,v);}function go(to){if(!running){if(o.beforeStart){o.beforeStart.call(this,vis());}if(o.circular){if(to<1){ul.css(animCss,-((itemLength-v*2+curr)*liSize)+"px");curr=(to!=0?(to-Math.floor(to/itemLength)*itemLength):itemLength)-v*2;}else if(to>=itemLength-v){ul.css(animCss,-((curr+v*2-itemLength)*liSize)+"px");curr=v*2-(itemLength%to);}else{curr=to;}}else{if(to<0){curr=0;}else if(to>itemLength-v){curr=itemLength-v;}else{curr=to;}}running=true;ul.animate(animCss=="left"?{left:-(curr*liSize)}:{top:-(curr*liSize)},o.speed,o.easing,function(){if(o.afterEnd){o.afterEnd.call(this,vis());}running=false;});if(!o.circular){$(o.btnPrev+","+o.btnNext).removeClass("disabled");if(curr===0){$(o.btnPrev).addClass("disabled");}else if(curr==itemLength-v){$(o.btnNext).addClass("disabled");}}}return false;}});};function css(el,prop){return parseInt($.css(el[0],prop))||0;}function width(el){return el[0].offsetWidth+css(el,'marginLeft')+css(el,'marginRight');}function height(el){return el[0].offsetHeight+css(el,'marginTop')+css(el,'marginBottom');}})(jQuery);
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