(function($){$.fn.rollSlide=function(obj){var $self=this,orientation=obj.orientation||'left',num=obj.num||1,v=(typeof obj.v==='number')?obj.v:0,minTime=(typeof obj.space==='number')?((obj.space>=100)?obj.space:100):100,space=minTime+v||5000+v,isRoll=obj.isRoll,isStart=true,roll=function(ori,n,v){var $ul=$self.find('.roll__list'),$item=$ul.find('li'),range=0,i,len=$item.length,sliceItem=[],cloneSliceItem=[],startTime=(new Date()).getTime(),memory=function(){var arr=[];if(ori==='left'||ori==='top'){for(i=0;i<n;i++){range+=ori==='left'?$($item[i]).outerWidth(true):$($item[i]).outerHeight(true);arr.push($item[i]);}}else if(ori==='right'||ori==='bottom'){for(i=len-n;n>0;n--,i++){range+=ori==='right'?$($item[i]).outerWidth(true):$($item[i]).outerHeight(true);arr.push($item[i]);}}
return arr;};isStart=false;sliceItem=memory();cloneSliceItem=$(sliceItem).clone();switch(ori){case 'left':$ul.append(cloneSliceItem);$ul.animate({'left':-range+'px'},v,function(){$(this).css({'left':0});$(sliceItem).remove();isStart=true;});break;case 'right':$ul.prepend(cloneSliceItem);$ul.css('left',-range+'px');$ul.animate({'left':0},v,function(){$(sliceItem).remove();isStart=true;});break;case 'top':$ul.append(cloneSliceItem);$ul.animate({'top':-range+'px'},v,function(){$(this).css({'top':0});$(sliceItem).remove();isStart=true;});break;case 'bottom':$ul.prepend(cloneSliceItem);$ul.css('top',-range+'px');$ul.animate({'top':0},v,function(){$(sliceItem).remove();isStart=true;});break;}},init=function(){var $ul=$self.find('.roll__list'),$item=$ul.find('li'),len=$item.length,timer;num=num<=len?num:len;if(len>1){$self.on('click','.pre',function(){if(isStart){if(orientation==='left'||orientation==='right'){roll('right',num,v);}else{roll('bottom',num,v);}}}).on('click','.next',function(){if(isStart){if(orientation==='left'||orientation==='right'){roll('left',num,v);}else{roll('top',num,v);}}}).hover(function(){clearInterval(timer);},function(){if(isRoll){timer=setInterval(function(){roll(orientation,num,v);},space);}}).trigger('mouseout');}};init();};$.fn.rollNoInterval=function(){var $self=this,$ul=$self.find('.roll__list'),$item=$ul.find('li'),len=$item.length,timer,left=function(){var offset,i,range,$sliceItem;$sliceItem=$($item[0]);range=$sliceItem.outerWidth(true);timer=setInterval(function(){offset=$ul.css('left');offset=parseInt(offset);if(offset>-range){i=offset-1;$ul.css('left',i+'px');offset=$ul.css('left');}else{$sliceItem.detach();$ul.css('left',0);$ul.append($sliceItem);$sliceItem=$($ul.find('li')[0]);range=$sliceItem.outerWidth(true);}},50);},right=function(){var offset,i,range,$sliceItem;$sliceItem=$($item[len-1]);range=$sliceItem.outerWidth(true);timer=setInterval(function(){offset=$ul.css('right');offset=parseInt(offset);if(offset>-range){i=offset-1;$ul.css('right',i+'px');offset=$ul.css('right');}else{$sliceItem.detach();$ul.css('right',0);$ul.prepend($sliceItem);$sliceItem=$($ul.find('li')[len-1]);range=$sliceItem.outerWidth(true);}},50);},top=function(){var offset,i,range,$sliceItem;$sliceItem=$($item[0]);range=$sliceItem.outerHeight(true);timer=setInterval(function(){offset=$ul.css('top');offset=parseInt(offset);if(offset>-range){i=offset-1;$ul.css('top',i+'px');offset=$ul.css('top');}else{$sliceItem.detach();$ul.css('top',0);$ul.append($sliceItem);$sliceItem=$($ul.find('li')[0]);range=$sliceItem.outerHeight(true);}},50);},bottom=function(){var offset,i,range,$sliceItem;$sliceItem=$($item[len-1]);range=$sliceItem.outerHeight(true);timer=setInterval(function(){offset=$ul.css('bottom');offset=parseInt(offset);if(offset>-range){i=offset-1;$ul.css('bottom',i+'px');offset=$ul.css('bottom');}else{$sliceItem.detach();$ul.css('bottom',0);$ul.prepend($sliceItem);$sliceItem=$($ul.find('li')[len-1]);range=$sliceItem.outerHeight(true);}},50);},init=function(){$self.hover(function(){clearInterval(timer);},function(){});};return{left:left,right:right,top:top,bottom:bottom}}})(jQuery);