popup.js

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				case 'someHiddenEle':
					this.info.someHiddenEle=val;
					break;
				case 'someDisabledBtn':
					this.info.someDisabledBtn=val;
					break;
				case 'overlay':
					this.info.overlay=val;
			};
		};
	},
	iniBuild:function(){
		G('dialogCase')?G('dialogCase').parentNode.removeChild(G('dialogCase')):function(){};
		var oDiv=document.createElement('span');
		oDiv.id='dialogCase';
		document.body.appendChild(oDiv);
	},
	build:function(){
		 //设置全屏蒙布的z-index
		var baseZIndex=10001+this.info.overlay*10;
		//设置蒙布上的弹出窗口的z-index(比蒙布的z-index高2个值)
		var showZIndex=baseZIndex+2;
		//定义框架名称,如果弹出多个窗口，通过设置overlay可以区分
		this.iframeIdName='ifr_popup'+this.info.overlay;
		//注意，这里可以设置弹出窗口用到的图标的路径
		var path="image/";
		//渲染关闭按钮
		var close='<input type="image" id="dialogBoxClose" src="'+path+'dialogclose.gif" border="0" width="16" height="16" align="absmiddle" title="close"/>';
		//使用滤镜设置对象的透明度
		var cB='filter: alpha(opacity='+this.info.coverOpacity+');opacity:'+this.info.coverOpacity/100+';';
		//设置全屏的蒙布
		var cover='<div id="dialogBoxBG" style="position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:'+baseZIndex+';'+cB+'background-color:'+this.color.cColor+';display:none;"></div>';
		//设置弹出的主窗口
		var mainBox='<div id="dialogBox" style="border:1px solid '+this.color.tColor+';display:none;z-index:'+showZIndex+';position:relative;width:'+this.config.width+'px;"><table width="100%" border="0" cellpadding="0" cellspacing="0" bgcolor="'+this.color.bColor+'">';
		//如果有标题栏，则设置窗口标题栏
		if(this.config.isHaveTitle){
			mainBox+='<tr height="24" bgcolor="'+this.color.tColor+'"><td><table style="-moz-user-select:none;height:24px;" width="100%" border="0" cellpadding="0" cellspacing="0" ><tr>'+'<td width="6" height="24"></td><td id="dialogBoxTitle" style="color:'+this.color.wColor+';font-size:14px;font-weight:bold;">'+this.info.title+'&nbsp;</td>'+'<td id="dialogClose" width="20" align="right" valign="middle">'+close+'</td><td width="6"></td></tr></table></td></tr>';
		}
		else{
			mainBox+='<tr height="10"><td align="right">'+close+'</td></tr>'};
			mainBox+='<tr style="height:'+this.config.height+'px" valign="top"><td id="dialogBody" style="position:relative;"></td></tr></table></div>'+'<div id="dialogBoxShadow" style="display:none;z-index:'+baseZIndex+';"></div>';
			//如果有蒙布，先渲染蒙布，再渲染蒙布上的弹出窗口
			if(!this.config.isBackgroundCanClick){
				G('dialogCase').innerHTML=cover+mainBox;
				G('dialogBoxBG').style.height=document.body.scrollHeight;
			}
			else{
				G('dialogCase').innerHTML=mainBox;
			}
			//注册关闭事件，以便关闭弹出窗口
			Event.observe(G('dialogBoxClose'),"click",this.reset.bindAsEventListener(this),false);
			//如果允许拖拽，设置拖拽
			if(this.config.isSupportDraging){
				dropClass=new Dragdrop(this.config.width,this.config.height,this.info.shadowWidth,this.config.isSupportDraging,this.config.contentType);
				G("dialogBoxTitle").style.cursor="move";
			};
			this.lastBuild();
		},
		lastBuild:function(){
			//设置confirm对话框的具体内容
			var confirm='<div style="width:100%;height:100%;text-align:center;"><div style="margin:20px 20px 0 20px;font-size:14px;line-height:16px;color:#000000;">'+this.info.confirmCon+'</div><div style="margin:20px;"><input id="dialogOk" type="button" value="  确认  "/>&nbsp;<input id="dialogCancel" type="button" value="  取消  "/></div></div>';
			//设置alert对话框的具体内容
			var alert='<div style="width:100%;height:100%;text-align:center;"><div style="margin:20px 20px 0 20px;font-size:14px;line-height:16px;color:#000000;">'+this.info.alertCon+'</div><div style="margin:20px;"><input id="dialogYES" type="button" value="  确认  "/></div></div>';
			//蒙布层
			var baseZIndex=10001+this.info.overlay*10;
			//弹出窗口层
			var coverIfZIndex=baseZIndex+4;
			//根据内容类型flag的值决定窗口的主内容区域应该显示的内容
			if(this.config.contentType==1){
				var openIframe="<iframe width='100%' style='height:"+this.config.height+"px' name='"+this.iframeIdName+"' id='"+this.iframeIdName+"' src='"+this.info.contentUrl+"' frameborder='0' scrolling='"+this.config.scrollType+"'></iframe>";
				var coverIframe="<div id='iframeBG' style='position:absolute;top:0px;left:0px;width:1px;height:1px;z-index:"+coverIfZIndex+";filter: alpha(opacity=00);opacity:0.00;background-color:#ffffff;'><div>";
				G("dialogBody").innerHTML=openIframe+coverIframe;
			}
			else if(this.config.contentType==2){
				G("dialogBody").innerHTML=this.info.contentHtml;
			}
			else if(this.config.contentType==3){
				G("dialogBody").innerHTML=confirm;
				Event.observe(G('dialogOk'),"click",this.forCallback.bindAsEventListener(this),false);
				Event.observe(G('dialogCancel'),"click",this.close.bindAsEventListener(this),false);
			}
			else if(this.config.contentType==4){
				G("dialogBody").innerHTML=alert;
				Event.observe(G('dialogYES'),"click",this.close.bindAsEventListener(this),false);
			};
		},
		//重新加载弹出窗口的高度和内容
		reBuild:function(){
			G('dialogBody').height=G('dialogBody').clientHeight;
			this.lastBuild();
		},
		show:function(){
			//隐藏指定的元素
			this.hiddenSome();
			//居中弹出窗口
			this.middle();
			//如果有阴影则渲染阴影
			if(this.config.isShowShadow)
				this.shadow();
		},
		//设置回调函数
		forCallback:function(){
			return this.info.callBack(this.info.parameter);
		},
		//设置弹出窗口的阴影
		shadow:function(){
			var oShadow=G('dialogBoxShadow');
			var oDialog=G('dialogBox');
			oShadow['style']['position']="absolute";
			oShadow['style']['background']="#000";
			oShadow['style']['display']="";
			oShadow['style']['opacity']="0.2";
			oShadow['style']['filter']="alpha(opacity=20)";
			oShadow['style']['top']=oDialog.offsetTop+this.info.shadowWidth;
			oShadow['style']['left']=oDialog.offsetLeft+this.info.shadowWidth;
			oShadow['style']['width']=oDialog.offsetWidth;
			oShadow['style']['height']=oDialog.offsetHeight;
		},
		//居中弹出窗口
		middle:function(){
			if(!this.config.isBackgroundCanClick)
				G('dialogBoxBG').style.display='';
			var oDialog=G('dialogBox');
			oDialog['style']['position']="absolute";
			oDialog['style']['display']='';
			var sClientWidth=document.body.clientWidth;
			var sClientHeight=document.body.clientHeight;
			var sScrollTop=document.body.scrollTop;
			var sleft=(document.body.clientWidth/2)-(oDialog.offsetWidth/2);
			var iTop=-80+(sClientHeight/2+sScrollTop)-(oDialog.offsetHeight/2);
			var sTop=iTop>0?iTop:(sClientHeight/2+sScrollTop)-(oDialog.offsetHeight/2);
			if(sTop<1)
				sTop="20";
			if(sleft<1)
				sleft="20";
			oDialog['style']['left']=sleft;
			oDialog['style']['top']=sTop;
		},
		//刷新父页面，并关闭当前弹出窗口
		reset:function(){
			if(this.config.isReloadOnClose){
				top.location.reload();
			};
			this.close();
		},
		//关闭弹出窗口
		close:function(){
			G('dialogBox').style.display='none';
			if(!this.config.isBackgroundCanClick)
				G('dialogBoxBG').style.display='none';
			if(this.config.isShowShadow)
				G('dialogBoxShadow').style.display='none';
			G('dialogBody').innerHTML='';
			this.showSome();
		},
		hiddenSome:function(){
			var tag=this.info.someHiddenTag.split(",");
			if(tag.length==1&&tag[0]=="")tag.length=0;
			for(var i=0;i<tag.length;i++){
				this.hiddenTag(tag[i]);
			};
			var ids=this.info.someHiddenEle.split(",");
			if(ids.length==1&&ids[0]=="")
				ids.length=0;
			for(var i=0;i<ids.length;i++){
				this.hiddenEle(ids[i]);
			};
			var ids=this.info.someDisabledBtn.split(",");
			if(ids.length==1&&ids[0]=="")
				ids.length=0;
			for(var i=0;i<ids.length;i++){
				this.disabledBtn(ids[i]);
			};
			space("begin");
		},
		disabledBtn:function(id){
			var ele=document.getElementById(id);
			if(typeof(ele)!="undefined"&&ele!=null&&ele.disabled==false){
				ele.disabled=true;
				this.someToDisabled.push(ele);
			};
		},
		hiddenTag:function(tagName){
			var ele=document.getElementsByTagName(tagName);
			if(ele!=null){
				for(var i=0;i<ele.length;i++){
					if(ele[i].style.display!="none"&&ele[i].style.visibility!='hidden'){
						ele[i].style.visibility='hidden';
						this.someToHidden.push(ele[i]);
					};
				};
			};
		},
		hiddenEle:function(id){
			var ele=document.getElementById(id);
			if(typeof(ele)!="undefined"&&ele!=null){
				ele.style.visibility='hidden';
				this.someToHidden.push(ele);
			};
		},
		showSome:function(){
			for(var i=0;i<this.someToHidden.length;i++){
				this.someToHidden[i].style.visibility='visible';
			};
			for(var i=0;i<this.someToDisabled.length;i++){
				this.someToDisabled[i].disabled=false;
			};
			space("end");
		}
};
/**
 *Dragdrop类,用于弹出窗口的拖拽动作
 */
var Dragdrop=new Class();
Dragdrop.prototype={
	initialize:function(width,height,shadowWidth,showShadow,contentType){
		this.dragData=null;
		this.dragDataIn=null;
		this.backData=null;
		this.width=width;
		this.height=height;
		this.shadowWidth=shadowWidth;
		this.showShadow=showShadow;
		this.contentType=contentType;
		this.IsDraging=false;
		this.oObj=G('dialogBox');
		Event.observe(G('dialogBoxTitle'),"mousedown",this.moveStart.bindAsEventListener(this),false);
	},
	moveStart:function(event){
		this.IsDraging=true;
		if(this.contentType==1){
			G("iframeBG").style.display="";
			G("iframeBG").style.width=this.width;
			G("iframeBG").style.height=this.height;
		};
		Event.observe(document,"mousemove",this.mousemove.bindAsEventListener(this),false);
		Event.observe(document,"mouseup",this.mouseup.bindAsEventListener(this),false);
		Event.observe(document,"selectstart",this.returnFalse,false);
		this.dragData={
			x:Event.pointerX(event),
			y:Event.pointerY(event)
		};
		this.backData={
			x:parseInt(this.oObj.style.left),
			y:parseInt(this.oObj.style.top)
		};
	},
	mousemove:function(event){
		if(!this.IsDraging)return;
		var iLeft=Event.pointerX(event)-this.dragData["x"]+parseInt(this.oObj.style.left);
		var iTop=Event.pointerY(event)-this.dragData["y"]+parseInt(this.oObj.style.top);
		if(this.dragData["y"]<parseInt(this.oObj.style.top))
			iTop=iTop-12;
		else if(this.dragData["y"]>parseInt(this.oObj.style.top)+25)
			iTop=iTop+12;
		this.oObj.style.left=iLeft;
		this.oObj.style.top=iTop;
		if(this.showShadow){
			G('dialogBoxShadow').style.left=iLeft+this.shadowWidth;
			G('dialogBoxShadow').style.top=iTop+this.shadowWidth;
		};
		this.dragData={
			x:Event.pointerX(event),
			y:Event.pointerY(event)
		};
		document.body.style.cursor="move";
	},
	mouseup:function(event){
		if(!this.IsDraging)
			return;
		if(this.contentType==1)
			G("iframeBG").style.display="none";
		document.onmousemove=null;
		document.onmouseup=null;
		var mousX=Event.pointerX(event)-(document.documentElement.scrollLeft||document.body.scrollLeft);
		var mousY=Event.pointerY(event)-(document.documentElement.scrollTop||document.body.scrollTop);
		if(mousX<1||mousY<1||mousX>document.body.clientWidth||mousY>document.body.clientHeight){
			this.oObj.style.left=this.backData["x"];
			this.oObj.style.top=this.backData["y"];
			if(this.showShadow){
				G('dialogBoxShadow').style.left=this.backData.x+this.shadowWidth;
				G('dialogBoxShadow').style.top=this.backData.y+this.shadowWidth;
			};
		};
		this.IsDraging=false;
		document.body.style.cursor="";
		Event.stopObserving(document,"selectstart",this.returnFalse,false);
	},
	returnFalse:function(){
		return false;
	}
};
//相关应用
//选择图片
function SelectPicture(url,title){
	wp_pop=new Popup({ contentType:1, isReloadOnClose:false, width:450, height:220 });
	wp_pop.setContent("title",title);
	wp_pop.setContent("contentUrl",url);
	wp_pop.build();
	wp_pop.show();
	return false;
}