GZ/nwyj/.svn/pristine/5c/5cc09170256b20d5990927bf53b8dc36335555d5.svn-base

var StartMarquee=null;
var timeOut=null;  
var t=null;
var userinfo = new Util().resolveUrl();

	$(function(){
		 init();
		 addMainContentMouseListen();
	});
	function init(){
		if(StartMarquee!=null){
			StartMarquee.clearStartMarquee();
		}
		loadTitle();
		$.post(path+"ws/IntelligenceService/IntelligenceService/getIntelligenc",{},function(result){
			if(result.state=="FAILURE") throw new Error("查询失败");
			if(result.rows.length>0){
				load($("#main_content1"),result.rows);
			}else{
				$("#main_content1").append("<p class='_error'>目前尚无公开发表的情报信息</p>");
			};
			
		},"json");
	}
	//显示表头
	function loadTitle(){
		$("#main_content1").empty();
		$("#main_content1").append("<span class='title_text'>"+userinfo.dept_name+"情报板展示</span>");
		$.post(path+"ws/IntelligenceService/IntelligenceService/getTitle",{},function(result){
			if(result.state=="FAILURE") throw new Error("查询失败");
			if(result.rows.length>0){
				//$("#main_content1").append("<span class='title_text'>"+result.rows[0].TITLENAME+"</span>")
			}else{
				$("#main_content1").append("<p class='_error'>目前尚无公开发表的情报信息</p>");
			}
		},"json");
	}
	//显示情报板信息
	function load($dom,param){
		if(param.length==0) throw new Error("数据异常");
		$ul=$("<ul></ul>");
		for(var index in param){
			$li=$("<li><span class='_li_content'><span class='_date'>"+param[index]["PLANKDATE"]+"</span><span class='_contentInfo'>"+param[index]["PLANKINFO"]+"</span></span></li>");
			$ul.append($li);
		}
		$dom.append("<div class=_center1></div>");
		$dom.find("._center1").append($ul);
		setContentPosition();
		StartMarquee=startmarquee(20, 30, 1000);  
	}
	
	var tempWidht;
	var count=0;
	//设置ul-li居中左对其
	function setContentPosition(){
		$("._center1").removeAttr("style");
		var maxwidth=0;
		$("#main_content1").find("._li_content").each(function(){
			maxwidth=maxwidth>$(this).width()?maxwidth:$(this).width();
		});
		$("._center1").css({width:$("#main_content1").width()*0.95>maxwidth?maxwidth:$("#main_content1").width()*0.95});
	}

	function startmarquee(lh,speed,delay) {
		var clearStartMarquee=function(){
			clearInterval(t);  
			clearTimeout(timeOut);
		};
		 
        var oHeight =$(".main_content1").height();
        var p = false;  
        var o = $("._center1").get(0); 
        var preTop = 0;  
        o.scrollTop = 0;  
        function start() {  
            t = setInterval(scrolling, speed);  
            o.scrollTop += 1;  
        }  
        function scrolling() { 
            if (o.scrollTop % lh != 0  
                    && o.scrollTop % (o.scrollHeight - oHeight - 1) != 0) {  
                preTop = o.scrollTop;  
                o.scrollTop += 1;  
                if (preTop >= o.scrollHeight || preTop == o.scrollTop) {  
                    o.scrollTop = 5;  
                }  
            } else {  
                clearInterval(t);  
                timeOut=setTimeout(start, delay);  
            }  
        }  
        timeOut=setTimeout(start, delay);  
        return {clearStartMarquee:clearStartMarquee,startScroll:start};
    }  
	
	function addMainContentMouseListen(){
		$("#main_content1").on("mouseenter",function(){
			StartMarquee.clearStartMarquee();
		});
		$("#main_content1").on("mouseleave",function(){
			StartMarquee.startScroll();
		});
	}
	$(window).resize(function(){
		setContentPosition();
	});