/* super slide1.0 --  Copyright ©2012 Dtop 
 */
(function($){
	$.fn.slide=function(options){
		$.fn.slide.deflunt={
		effect : "fade", //效果 || fade：渐显； || top：上滚动；|| left：左滚动；|| topLoop：上循环滚动；|| leftLoop：左循环滚动；|| topMarquee：上无缝循环滚动；|| leftMarquee：左无缝循环滚动；
		autoPlay:false, //自动运行
		delayTime : 500, //效果持续时间
		interTime : 2500,//自动运行间隔。当effect为无缝滚动的时候，相当于运行速度。
		defaultIndex : 0,//默认的当前位置索引。0是第一个
		titCell:".hd li",//导航元素
		mainCell:".bd",//内容元素的父层对象
		trigger: "mouseover",//触发方式 || mouseover：鼠标移过触发；|| click：鼠标点击触发；
		scroll:1,//每次滚动个数。
		vis:1,//visible，可视范围个数，当内容个数少于可视个数的时候，不执行效果。
		titOnClassName:"on",//当前位置自动增加的class名称
		prevCell:".prev",//前一个按钮元素。
		nextCell:".next"//后一个按钮元素。
		};

		return this.each(function() {
			var opts = $.extend({},$.fn.slide.deflunt,options);
			var index=opts.defaultIndex;
			var prevBtn = $(opts.prevCell, $(this));
			var nextBtn = $(opts.nextCell, $(this));
			var navObj = $(opts.titCell, $(this));//导航子元素结合
			var navObjSize = navObj.size();
			var conBox = $(opts.mainCell , $(this));//内容元素父层对象
			var conBoxSize=conBox.children().size();
			var slideH=0;
			var slideW=0;
			var selfW=0;
			var selfH=0;
			var autoPlay = opts.autoPlay;
			var inter=null;//setInterval名称 
			var oldIndex = index;
			if( navObjSize==0 )navObjSize=conBoxSize;

			if(conBoxSize<opts.vis) return; //当内容个数少于可视个数，不执行效果。
			conBox.children().each(function(){ //取最大值
				if( $(this).width()>selfW ){ selfW=$(this).width(); slideW=$(this).outerWidth(true);  }
				if( $(this).height()>selfH ){ selfH=$(this).height(); slideH=$(this).outerHeight(true);  }
			});

			switch(opts.effect)
			{
				case "top": conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; height:'+opts.vis*slideH+'px"></div>').css( { "position":"relative","padding":"0","margin":"0"}).children().css( {"height":selfH} ); break;
				case "left": conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; width:'+opts.vis*slideW+'px"></div>').css( { "width":conBoxSize*slideW,"position":"relative","overflow":"hidden","padding":"0","margin":"0"}).children().css( {"float":"left","width":selfW} ); break;
				case "leftLoop":
				case "leftMarquee":
					conBox.children().clone().appendTo(conBox).clone().prependTo(conBox); 
					conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; width:'+opts.vis*slideW+'px"></div>').css( { "width":conBoxSize*slideW*3,"position":"relative","overflow":"hidden","padding":"0","margin":"0","left":-conBoxSize*slideW}).children().css( {"float":"left","width":selfW}  ); break;
				case "topLoop":
				case "topMarquee":
					conBox.children().clone().appendTo(conBox).clone().prependTo(conBox); 
					conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; height:'+opts.vis*slideH+'px"></div>').css( { "height":conBoxSize*slideH*3,"position":"relative","padding":"0","margin":"0","top":-conBoxSize*slideH}).children().css( {"height":selfH} ); break;
			}

			//效果函数
			var doPlay=function(){
				switch(opts.effect)
				{
					case "fade": case "top": case "left": if ( index >= navObjSize) { index = 0; } else if( index < 0) { index = navObjSize-1; } break;
					case "leftMarquee":case "topMarquee": if ( index>= 2) { index=1; } else if( index<0) { index = 0; } break;
					case "leftLoop": case "topLoop":
						var tempNum = index - oldIndex; 
						if( navObjSize>2 && tempNum==-(navObjSize-1) ) tempNum=1;
						if( navObjSize>2 && tempNum==(navObjSize-1) ) tempNum=-1;
						var scrollNum = Math.abs( tempNum*opts.scroll );
						if ( index >= navObjSize) { index = 0; } else if( index < 0) { index = navObjSize-1; }
					break;
				}
				switch (opts.effect)
				{
					case "fade":conBox.children().stop(true,true).eq(index).fadeIn(opts.delayTime).siblings().hide();break;
					case "top":conBox.stop(true,true).animate({"top":-index*opts.scroll*slideH},opts.delayTime);break;
					case "left":conBox.stop(true,true).animate({"left":-index*opts.scroll*slideW},opts.delayTime);break;
					case "leftLoop":
						if(tempNum<0 ){
								conBox.stop(true,true).animate({"left":-(conBoxSize-scrollNum )*slideW},opts.delayTime,function(){
								for(var i=0;i<scrollNum;i++){ conBox.children().last().prependTo(conBox); }
								conBox.css("left",-conBoxSize*slideW);
							});
						}
						else{
							conBox.stop(true,true).animate({"left":-( conBoxSize + scrollNum)*slideW},opts.delayTime,function(){
								for(var i=0;i<scrollNum;i++){ conBox.children().first().appendTo(conBox); }
								conBox.css("left",-conBoxSize*slideW);
							});
						}break;// leftLoop end

					case "topLoop":
						if(tempNum<0 ){
								conBox.stop(true,true).animate({"top":-(conBoxSize-scrollNum )*slideH},opts.delayTime,function(){
								for(var i=0;i<scrollNum;i++){ conBox.children().last().prependTo(conBox); }
								conBox.css("top",-conBoxSize*slideH);
							});
						}
						else{
							conBox.stop(true,true).animate({"top":-( conBoxSize + scrollNum)*slideH},opts.delayTime,function(){
								for(var i=0;i<scrollNum;i++){ conBox.children().first().appendTo(conBox); }
								conBox.css("top",-conBoxSize*slideH);
							});
						}break;//topLoop end

					case "leftMarquee":
					var tempLeft = conBox.position().left;
						if(index==0 ){
								conBox.animate({"left":++tempLeft},0,function(){
									if( conBox.position().left>= 0){ for(var i=0;i<conBoxSize;i++){ conBox.children().last().prependTo(conBox); }conBox.css("left",-conBoxSize*slideW);}
								});
						}
						else{
								conBox.animate({"left":--tempLeft},0,function(){
									if( conBox.position().left<= -conBoxSize*slideW*2){ for(var i=0;i<conBoxSize;i++){ conBox.children().first().appendTo(conBox); }conBox.css("left",-conBoxSize*slideW);}
								});
						}break;// leftMarquee end

						case "topMarquee":
						var tempTop = conBox.position().top;
							if(index==0 ){
									conBox.animate({"top":++tempTop},0,function(){
										if( conBox.position().top>= 0){ for(var i=0;i<conBoxSize;i++){ conBox.children().last().prependTo(conBox); }conBox.css("top",-conBoxSize*slideH);}
									});
							}
							else{
									conBox.animate({"top":--tempTop},0,function(){
										if( conBox.position().top<= -conBoxSize*slideH*2){ for(var i=0;i<conBoxSize;i++){ conBox.children().first().appendTo(conBox); }conBox.css("top",-conBoxSize*slideH);}
									});
							}break;// topMarquee end


				}//switch end
					navObj.eq(index).addClass(opts.titOnClassName).siblings().removeClass(opts.titOnClassName);
					oldIndex=index;
			};
			//初始化执行
			doPlay();

			//自动播放
			if (autoPlay) {
					if( opts.effect=="leftMarquee" || opts.effect=="topMarquee"  ){
						index++; inter = setInterval(doPlay, opts.interTime);
						conBox.hover(function(){if(autoPlay){clearInterval(inter); }},function(){if(autoPlay){clearInterval(inter);inter = setInterval(doPlay, opts.interTime);}});
					}else{
						 inter=setInterval(function(){index++; doPlay() }, opts.interTime); 
						$(this).hover(function(){if(autoPlay){clearInterval(inter); }},function(){if(autoPlay){clearInterval(inter); inter=setInterval(function(){index++; doPlay() }, opts.interTime); }});
					}
			}

			//鼠标事件
			var mst;
			if(opts.trigger=="mouseover"){
				navObj.hover(function(){ clearTimeout(mst); index=navObj.index(this); mst = window.setTimeout(doPlay,200); }, function(){ if(!mst)clearTimeout(mst); });
			}else{ navObj.click(function(){index=navObj.index(this);  doPlay(); })  }
			nextBtn.click(function(){ index++; doPlay(); });
			prevBtn.click(function(){  index--; doPlay(); });

    	});//each End

	};//slide End

})(jQuery);



