$.widget('ui.w_tab',{
	options:{
		param:{},
		acdiv:0,
		divcss:"",
		divsty:"",
		cssH:"",
		cssS:"",
		divaim:0,
		cache:1,
		event:'click',
		load:'',
		funeffect:0,
		filmtime:0,
		child:'',
		tab:0
	},
	_create:function(){
		var op=this.options;
		//指定acdiv时，必须指定divaim，否则中断JS
		if(op.acdiv){ if(!op.divaim){ return;}}
		this.old="";this.oldei=-1;this.sib=Array();this.param=Array();this.chls=Array();
		this.childattr();
		for(var i=0;i<this.chls.length;i++){
			this.childevent(i);
		}
		if(op.tab>=0){this.tab(op.tab);}
		this.startfilm();
	},
	childattr:function(){
		var op=this.options,self=this,el=this.element,tmp;
		this.chls=el.children(op.child);
		//存储触发元素对应的元素，将指向触发元素时，将会隐藏对应的元素
		for(var i=0;i<this.chls.length;i++){
			tmp=this.chls.eq(i).attr('aim').split(' ');
			//得到每个选项的属性值
			this.param[i]={
				aM:tmp[0],
				lK:this.chls.eq(i).attr('lnk'),
				cC:this.chls.eq(i).attr('class') || '',
				cH:this.chls.eq(i).attr('cssH') || op.cssH,
				cS:this.chls.eq(i).attr('cssS') || op.cssS,
				sC:this.chls.eq(i).attr('style'),
				sH:this.chls.eq(i).attr('styH'),
				sS:this.chls.eq(i).attr('styS')
			};
			this.param[i].cC=this.param[i].cC.replace(this.param[i].cS,'');
			this.sib.push(tmp);
		}
		for(var i=0;i<this.sib.length;i++){
			for(var j=0;j<this.sib[i].length;j++){
				$('#'+this.sib[i][j]).hover(function(){self.pausefilm();},function(){self.startfilm();});
			}
		}
	},
	childevent:function(ei){
		//为标签指定事件
		var op=this.options;
		var el=this.chls.eq(ei);
		var self=this;
		el.mouseover(function(e){
			if(self.old[0]!=this){
				var param=self.param[ei];
				if(param.cH){ this.className=param.cH;}
				if(param.sH){ $(this).attr('style',param.sH);}
				if(op.event=='hover'){$(this).triggerHandler('click');}
			}
			if(e.pageX>0){self.pausefilm();}
		}).mouseout(function(e){
			if(self.old[0]!=this){
				var param=self.param[ei];
				if(param.cC){ this.className=param.cC;} else { this.className="";}
				if(param.sC){ $(this).attr('style',param.sC);}
			}
			if(e.pageX>0){self.startfilm();}
		}).click(function(){
			if(self.old[0]==this){return;}
			var tmp=self.old;self.old=$(this);
			if(tmp!=""){tmp.triggerHandler("mouseout");}
			var param=self.param[ei];
			if(param.cS){ this.className=param.cS;}
			if(param.sS){ $(this).attr('style',param.sS);}
			//根据参数调用目标页面并显示在内容容器(内容容器根据需要自动创建与否)
			//得出目标ID值和目标元素类型
			var arram=param.aM.split('#');
			if(arram.length>1){
				param.aM=arram[1];
				param.dT=arram[0];
			}else{
				param.dT='div';
			}
			var ediv=$('#'+param.aM);
			if(ediv.length<1){
				if(op.acdiv){
					ediv=$('<'+param.dT+' id="'+param.aM+'" class="'+op.divcss+'" style="'+op.divsty+'">').appendTo($('#'+op.divaim));
				}else{return;}
			}
			
			//动画或者普通效果处理需要显示的div和需要隐藏的div,只对主内容div启用效果
			var oldzaim,newzaim;
			if(self.oldei>-1){
				for(var j=0;j<self.sib[self.oldei].length;j++){
					if(j==0 && op.funeffect!=0){
						oldzaim=$('#'+self.sib[self.oldei][j]);
					}else{
						$('#'+self.sib[self.oldei][j]).css('display','none');
					}
				}
			}
			for(var j=0;j<self.sib[ei].length;j++){
				if(j==0 && op.funeffect!=0){
					newzaim=$('#'+self.sib[ei][j]);
				}else{
					$('#'+self.sib[ei][j]).css('display','block');
				}
			}
			if(op.funeffect!=0){
				if(false!==op.funeffect.call(self,{ot:self.chls.eq(self.oldei),nt:self.chls.eq(ei),oc:oldzaim,nc:newzaim,o:self.oldei,n:ei})){
					oldzaim && oldzaim.css('display','none');
					newzaim.css('display','block');
				}
			}
			self.oldei=ei;
			
			if(param.lK){
				if(ediv.attr('isContent')!="1" || !op.cache){
					
					ediv.html(op.load);
					$.ajax({
						url:param.lK,
						type:"GET",
						data:op.param,
						success:function(data){
							ediv.html(data);
							ediv.attr('isContent',"1");
						}
					});
				}
			}
		});
	},
	startfilm:function(){
		//开始判断自动播放功能
		var op=this.options;
		var self=this;
		if(op.filmtime){
			this.t_film=setInterval(function(){self.filmplay();},op.filmtime);
		}
	},
	pausefilm:function(){
		//暂停自动播放功能
		var op=this.options;
		if(op.filmtime){
			clearInterval(this.t_film);
		}
	},
	filmplay:function(){
		//加入自动播放功能
		var op=this.options;
		var nei=this.oldei+1==this.chls.length?0:this.oldei+1;
		this.chls.eq(nei).triggerHandler("click");
	},
	tab:function(n){
		var op=this.options;
		this.chls.eq(n).triggerHandler("click");
	}
});