学步园

/*
* 创建弹出div窗口。
    1、接口说明：DivWindow(id,title,width,height,content) 构造函数，创建一个弹出窗口对象
     参数：id 弹出窗口id；
        title：弹出窗口标题名称；
     width：弹出窗口宽度
     height：弹出窗口高度
     content： 弹出窗口显示内容
    
2、接口说明： closeDivWindow(id) 关闭窗口
     参数： id 弹出窗口id

3、接口说明：setPopupTopTitleFontColor(PopupTopTitleFontColor) 设置弹出窗口标题字体颜色
        参数：

    4、接口说明：setPopupTopBgColor(tBgColor) 设置弹出窗口标题背景颜色

5、接口说明：setPopupColor(borderColor,bgColor,tFontColor,cBgColor,fColor) 设置弹出窗口风格,包括标题栏的背景，弹出窗口边框颜色，内容窗体背景颜色，内容窗体字体颜色

6、接口说明：open()

使用方法： 
     var a = new DivWindow("1","窗口测试",580,400,"Welcome to
visited my personal website:<br><a href=http://www.qqview.com
target=_blank>http://www.qqview.com</a><br><ahref=http://www
... qqview.com</a><br><br>thx!!!=)..."L);
     a.setPopupTopBgColor("black","blue","white","white","black");
   a.open();

生成的html：
<div id='"window"+id'></div> 控制背景的div，使背景逐渐变暗
    <div id='"windowTopBg"+id'>
   <div id='"windowTop"+id'>
     <span id='"windowTopTitle"+id'>title</span>
   <span id='"windowTopOperate"+id'>maxORmin</span>
   <span id='"windowTopClose"+id'>close</span>
   </div>
   <div id='"windowContent"+id'>content</div>
</div>

@author Nieger Dai
@date 2007.11.15
*/

var isIe = (document.all)?true:false;
var moveable=false; 
var topDivBorderColor = "#336699";//提示窗口的边框颜色 
var topDivBgColor = "#6795B4";//提示窗口的标题的背景颜色 
var contentBgColor = "white";//内容显示窗口的背景颜色
var contentFontColor = "black";//内容显示窗口字体颜色
var titleFontColor = "white"; //弹出窗口标题字体颜色
var index=10000;//z-index;
// 创建弹出窗口，构造函数
function DivWindow(id,title,w,h,content)
{
this.id = id;//窗口id
this.zIndex = index +2;
this.title = title;//弹出窗口名称
this.message = content;//弹出窗口内容
this.width = w;//弹出窗口宽度
this.height = h;//弹出窗口高度
this.left = (document.body.clientWidth) ? (document.body.clientWidth - this.width)/2 : 0;//弹出窗口位置，距屏幕左边的位置
this.top = (document.body.clientHeight) ? (document.body.clientHeight - this.height)/2 : 0;//弹出窗口位置，距屏幕上边的位置
//this.init = init;
//this.init();
}
//根据构造函数设定初始值，创建弹出窗口
DivWindow.prototype = {
//设置弹出窗口标题字体颜色
setPopupTopTitleFontColor:function(tFontColor)
{
    titleFontColor = tFontColor;
},
//设置弹出窗口标题背景颜色
setPopupTopBgColor:function(tBgColor)
{
    topDivBgColor = tBgColor;
},
//设置弹出窗口风格,包括标题栏的背景，弹出窗口边框颜色，内容窗体背景颜色，内容窗体字体颜色
setPopupColor:function(borderColor,bgColor,tFontColor,cBgColor,fColor)
{
     topDivBorderColor = borderColor;
topDivBgColor = bgColor;
titleFontColor = tFontColor;
contentBgColor = cBgColor;
     contentFontColor = fColor;
},
//打开一个弹出窗口
open: function()
{
   var sWidth,sHeight; 
   sWidth=document.body.clientWidth; 
   sHeight=document.body.clientHeight; 
   var bgObj=document.createElement("div"); 
   bgObj.setAttribute('id','window'+this.id); 
   var styleStr="top:0px;left:0px;position:absolute;background:#245;width:"+sWidth+"px;height:"+sHeight+"px;"; 
    styleStr+=(isIe)?"filter:alpha(opacity=0);":"opacity:0;"; 
   bgObj.style.cssText=styleStr; 
   document.body.appendChild(bgObj); 
   //让背景逐渐变暗
   showBackground(bgObj,25);

   // 弹出窗口框体背景容器
   var windowTopBgDiv = document.createElement("div"); 
   windowTopBgDiv.setAttribute('id','windowTopBg'+this.id); 
   windowTopBgDiv.style.position = "absolute"; 
   windowTopBgDiv.style.zIndex = this.zIndex ;
   windowTopBgDiv.style.width = this.width ;
   windowTopBgDiv.style.height = this.height;
   windowTopBgDiv.style.left = this.left;
   windowTopBgDiv.style.top = this.top;
   windowTopBgDiv.style.background = topDivBgColor;
   windowTopBgDiv.style.fontSize = "9pt";
   windowTopBgDiv.style.cursor = "default";
   windowTopBgDiv.style.border = "1px solid " + topDivBorderColor;
   windowTopBgDiv.attachEvent("onmousedown",function(){
   if(windowTopBgDiv.style.zIndex!=index)
   {
   index = index + 2;
   var idx = index;
   windowTopBgDiv.style.zIndex=idx;
   }
   }); 
   // 弹出窗口头部框体
   var windowTopDiv = document.createElement("div"); 
   windowTopDiv.setAttribute('id','windowTop'+this.id); 
   windowTopDiv.style.position = "absolute"; 
   windowTopDiv.style.background = topDivBgColor;//"white"; 
   windowTopDiv.style.color = titleFontColor; 
   windowTopDiv.style.cursor = "move"; 
   windowTopDiv.style.height = 20; 
   windowTopDiv.style.width = this.width-2*2;
   //开始拖动;
   windowTopDiv.attachEvent("onmousedown",function(){
   if(event.button==1)
   {
    //锁定标题栏;
    windowTopDiv.setCapture();
    //定义对象;
    var win = windowTopDiv.parentNode;
    //记录鼠标和层位置;
    x0 = event.clientX;
    y0 = event.clientY;
    x1 = parseInt(win.style.left);
    y1 = parseInt(win.style.top);
    //记录颜色;
    //topDivBgColor = windowTopDiv.style.backgroundColor;
    //改变风格;
    //windowTopDiv.style.backgroundColor = topDivBorderColor;
    win.style.borderColor = topDivBorderColor;
    moveable = true;
   }
   });
   //停止拖动
   windowTopDiv.attachEvent("onmouseup",function(){
   if(moveable)
   {
    var win = windowTopDiv.parentNode;
    win.style.borderColor = topDivBgColor;
    windowTopDiv.style.backgroundColor = topDivBgColor;
    windowTopDiv.releaseCapture();
    moveable = false;
   }
   });
   // 开始拖动
   windowTopDiv.attachEvent("onmousemove",function(){
   if(moveable)
   {
    var win = windowTopDiv.parentNode;
    win.style.left = x1 + event.clientX - x0;
    win.style.top = y1 + event.clientY - y0;
   }
   });
   // 双击弹出窗口
   windowTopDiv.attachEvent("ondblclick",function(){
   maxOrMinPopupDiv(windowTopOperateSpan,windowContentDiv);
   });

   //增加一个弹出窗口标题的显示
   var windowTopTitleSpan = document.createElement("span"); 
   windowTopTitleSpan.setAttribute('id','windowTopTitle'+this.id); 
   windowTopTitleSpan.style.width = this.width-2*12-4; 
   windowTopTitleSpan.style.paddingLeft = "3px"; 
   windowTopTitleSpan.innerHTML = this.title; 

   //增加一个弹出窗口最小化，最大化的操作
   var windowTopOperateSpan = document.createElement("span"); 
   windowTopOperateSpan.setAttribute('id','windowTopOperate'+this.id); 
   windowTopOperateSpan.style.width = 12;
   windowTopOperateSpan.style.borderWidth = "0px";
   windowTopOperateSpan.style.color = titleFontColor;//"white";
   windowTopOperateSpan.style.fontFamily = "webdings";
   windowTopOperateSpan.style.cursor = "default"; 
   windowTopOperateSpan.innerHTML = "0"; 
   //最大化或者最小化弹出窗口操作
   windowTopOperateSpan.attachEvent("onclick",function(){ 
    maxOrMinPopupDiv(windowTopOperateSpan,windowContentDiv);
   });

   //增加一个弹出窗口关闭的操作
   var windowTopCloseSpan = document.createElement("span"); 
   windowTopCloseSpan.setAttribute('id','windowTopClose'+this.id); 
   windowTopCloseSpan.style.width = 12;
   windowTopCloseSpan.style.borderWidth = "0px";
   windowTopCloseSpan.style.color = titleFontColor;//"white";
   windowTopCloseSpan.style.fontFamily = "webdings";
   windowTopCloseSpan.style.cursor = "default";
   windowTopCloseSpan.innerHTML = "r"; 
   // 关闭窗口
   windowTopCloseSpan.attachEvent("onclick",function(){ 
   windowTopDiv.removeChild(windowTopTitleSpan); 
   windowTopDiv.removeChild(windowTopOperateSpan); 
   windowTopDiv.removeChild(windowTopCloseSpan); 
   windowTopBgDiv.removeChild(windowTopDiv);
   windowTopBgDiv.removeChild(windowContentDiv);
   document.body.removeChild(windowTopBgDiv); 
   document.body.removeChild(bgObj); 
   });

   // 内容
var windowContentDiv = document.createElement("div"); 
   windowContentDiv.setAttribute('id','windowContent'+this.id); 
   windowContentDiv.style.background = contentBgColor; 
   windowContentDiv.style.color = contentFontColor; 
   windowContentDiv.style.cursor = "default"; 
   windowContentDiv.style.height = (this.height - 20 - 4);
   windowContentDiv.style.width = "100%";
   windowContentDiv.style.position = "relative";
   windowContentDiv.style.left = 0;
   windowContentDiv.style.top = 24;

   windowContentDiv.style.lineHeight = "20px";
   windowContentDiv.style.fontSize = "10pt";
   windowContentDiv.style.wordBreak = "break-all";
   windowContentDiv.style.padding = "3px";
   windowContentDiv.innerHTML = this.message;

   //将内容写入到文件中
   windowTopDiv.appendChild(windowTopTitleSpan);
   windowTopDiv.appendChild(windowTopOperateSpan);
   windowTopDiv.appendChild(windowTopCloseSpan);
   windowTopBgDiv.appendChild(windowTopDiv);
   windowTopBgDiv.appendChild(windowContentDiv);
   document.body.appendChild(windowTopBgDiv); 
}
}

//最大或者最小化探出窗口
function maxOrMinPopupDiv(windowTopOperateSpan,windowContentDiv)
{
    var win = windowTopOperateSpan.parentNode.parentNode;
var tit = windowTopOperateSpan.parentNode;
var flg = windowContentDiv.style.display=="none";
if(flg)
{
   win.style.height = parseInt(windowContentDiv.style.height) + parseInt(tit.style.height) + 2*2;
   windowContentDiv.style.display = "block";
   windowTopOperateSpan.innerHTML = "0";
}
else
{
   win.style.height = parseInt(tit.style.height) + 2*2;
   windowTopOperateSpan.innerHTML = "2";
   windowContentDiv.style.display = "none"; 
}
}
//让背景渐渐变暗 
function showBackground(obj,endInt) 
{ 
   if(isIe) 
   { 
   obj.filters.alpha.opacity+=1; 
   if(obj.filters.alpha.opacity<endInt) 
   { 
   setTimeout(function(){this.showBackground(obj,endInt)},5); 
   } 
}
else
{ 
   var al=parseFloat(obj.style.opacity);al+=0.01; 
   obj.style.opacity=al; 
   if(al<(endInt/100)) 
   {
      setTimeout(function(){this.showBackground(obj,endInt)},5);
   } 
} 
}
//关闭弹出窗口
function closeDivWindow(id)
{
var windowTopTitleSpan = document.getElementById("windowTopTitle"+id);
var windowTopOperateSpan = document.getElementById("windowTopOperate"+id);
var windowTopCloseSpan = document.getElementById("windowTopClose"+id);
var windowTopDiv = document.getElementById("windowTop"+id);
var windowTopBgDiv = document.getElementById("windowTopBg"+id);
var windowContentDiv = document.getElementById("windowContent"+id);
var bgObj = document.getElementById("window"+id);

windowTopDiv.removeChild(windowTopTitleSpan); 
windowTopDiv.removeChild(windowTopOperateSpan); 
windowTopDiv.removeChild(windowTopCloseSpan); 
windowTopBgDiv.removeChild(windowTopDiv);
windowTopBgDiv.removeChild(windowContentDiv);
document.body.removeChild(windowTopBgDiv); 
document.body.removeChild(bgObj); 
}