<html>
<head>
<title>DRAG the DIV</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style>
*{font-size:12px}
.dragTable{
    font
-size:12px;
    border
-top:1px solid #3366cc;
    margin
-bottom: 10px;
    width:
100%;
    background
-color:#FFFFFF;
}
td{vertical
-align:top;}
.dragTR{
    cursor:move;
    color:#7787cc;
    background
-color:#e5eef9;
    height:20px;
    padding
-left:5px;
    font
-weight:bold;
}
#parentTable{
    border
-collapse:collapse;
    letter
-spacing:25px;
}
</style>
<script defer>
/****JoeLee************E-MAIL:hktx@163.com****QQ:48293707*****11:09 2006-2-9******/
    var Drag
={dragged:false,
        ao:
null,
        tdiv:
null,
dragStart:function(){
    Drag.ao
=event.srcElement;
    
if((Drag.ao.tagName=="TD")||(Drag.ao.tagName=="TR")){
        Drag.ao
=Drag.ao.offsetParent;
        Drag.ao.style.zIndex
=100;
    }
else
        
return;
    Drag.dragged
=true;
    Drag.tdiv
=document.createElement("div");
    Drag.tdiv.innerHTML
=Drag.ao.outerHTML;
    Drag.ao.style.border
="1px dashed red";
    Drag.tdiv.style.display
="block";
    Drag.tdiv.style.position
="absolute";
    Drag.tdiv.style.filter
="alpha(opacity=70)";
    Drag.tdiv.style.cursor
="move";
    Drag.tdiv.style.border
="1px solid #000000";
    Drag.tdiv.style.width
=Drag.ao.offsetWidth;
    Drag.tdiv.style.height
=Drag.ao.offsetHeight;
    Drag.tdiv.style.top
=Drag.getInfo(Drag.ao).top;
    Drag.tdiv.style.left
=Drag.getInfo(Drag.ao).left;
    document.body.appendChild(Drag.tdiv);
    Drag.lastX
=event.clientX;
    Drag.lastY
=event.clientY;
    Drag.lastLeft
=Drag.tdiv.style.left;
    Drag.lastTop
=Drag.tdiv.style.top;
},

 draging:function(){
//重要:判断MOUSE的位置
    if(!Drag.dragged||Drag.ao==null)return;
    var tX
=event.clientX;
    var tY
=event.clientY;
    Drag.tdiv.style.left
=parseInt(Drag.lastLeft)+tX-Drag.lastX;
    Drag.tdiv.style.top
=parseInt(Drag.lastTop)+tY-Drag.lastY;
    
for(var i=0;i<parentTable.cells.length;i++){
        var parentCell
=Drag.getInfo(parentTable.cells[i]);
        
if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){
            var subTables
=parentTable.cells[i].getElementsByTagName("table");
            
if(subTables.length==0){
                
if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){
                    parentTable.cells[i].appendChild(Drag.ao);
                }
                
break;
            }
            
for(var j=0;j<subTables.length;j++){
                var subTable
=Drag.getInfo(subTables[j]);
                
if(tX>=subTable.left&&tX<=subTable.right&&tY>=subTable.top&&tY<=subTable.bottom){
                    parentTable.cells[i].insertBefore(Drag.ao,subTables[j]);
                    
break;
                }
else{
                    parentTable.cells[i].appendChild(Drag.ao);
                }    
            }
        }
    }
}
,
 dragEnd:function(){
    
if(!Drag.dragged)return;
    Drag.dragged
=false;
    Drag.mm
=Drag.repos(150,15);
    Drag.ao.style.borderWidth
="0px";
    Drag.ao.style.borderTop
="1px solid #3366cc";
    Drag.tdiv.style.borderWidth
="0px";
    Drag.ao.style.zIndex
=1;
},
getInfo:function(o){
//取得坐标
    var to=new Object();
    to.left
=to.right=to.top=to.bottom=0;
    var twidth
=o.offsetWidth;
    var theight
=o.offsetHeight;
    
while(o!=document.body){
        to.left
+=o.offsetLeft;
        to.top
+=o.offsetTop;
        o
=o.offsetParent;
    }
        to.right
=to.left+twidth;
        to.bottom
=to.top+theight;
    
return to;
},
repos:function(aa,ab){
    var f
=Drag.tdiv.filters.alpha.opacity;
    var tl
=parseInt(Drag.getInfo(Drag.tdiv).left);
    var tt
=parseInt(Drag.getInfo(Drag.tdiv).top);
    var kl
=(tl-Drag.getInfo(Drag.ao).left)/ab;
    var kt
=(tt-Drag.getInfo(Drag.ao).top)/ab;
    var kf
=f/ab;
    
return setInterval(function(){if(ab<1){
                            clearInterval(Drag.mm);
                            Drag.tdiv.removeNode(
true);
                            Drag.ao
=null;
                            
return;
                        }
                    ab
--;
                    tl
-=kl;
                    tt
-=kt;
                    f
-=kf;
                    Drag.tdiv.style.left
=parseInt(tl)+"px";
                    Drag.tdiv.style.top
=parseInt(tt)+"px";
                    Drag.tdiv.filters.alpha.opacity
=f;
                }
,aa
/ab)
},
 inint:function(){
//初始化
    for(var i=0;i<parentTable.cells.length;i++){
        var subTables
=parentTable.cells[i].getElementsByTagName("table");
        
for(var j=0;j<subTables.length;j++){
            
if(subTables[j].className!="dragTable")break;
            subTables[j].rows[
0].className="dragTR";
            subTables[j].rows[
0].attachEvent("onmousedown",Drag.dragStart);
        }
    }
    document.onmousemove
=Drag.draging;
    document.onmouseup
=Drag.dragEnd;
}
//end of Object Drag
}
Drag.inint();

function _show(str){
    var w
=window.open('','');
    var d
=w.document;
    d.open();
    str
=str.replace(/=(?!")(.*?)(?!")( |>)/g,"=\"$1\"$2");
    str
=str.replace(/(<)(.*?)(>)/g,"<span style='color:red;'><$2></span><br />");
    str
=str.replace(/\r/g,"<br />\n");
    d.write(str);
}
</script>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="10" width="100%" height=500 id="parentTable">
<tr >
    
<td width="25%" valgin="top">
        
<table border=0 class="dragTable" cellspacing="0">
            
<tr>
                
<td><b>GMAIL</b></td>
            
</tr>
            
<tr>
                
<td>暂时无法显示GMAIL内容</td>
            
<tr>
        
</table><table border=0 class="dragTable" cellspacing="0">
            
<tr>
                
<td>新浪体育</td>
            
</tr>
            
<tr>
                
<td>解剖威队独门利器FW28 2万转引擎匹配超级变速器颁奖:辛吉斯欣喜能以冠军起步
 印度搭档创下纪录法新社前瞻冬奥短道速滑:中韩唱主角 美加施冷箭
</td>
            
<tr>
        
</table>
        
<table border=0 class="dragTable" cellspacing="0">
            
<tr>
                
<td>焦点</td>
            
</tr>
            
<tr>
                
<td>京广线中断4小时20临客返汉晚点 中国新闻网-湖北分社 - 所有 235 相关报道 »哈马斯已有总理人选 
                解放日报报业集团 
- 所有 489 相关报道 »陈水扁是两岸关系麻烦制造者 武汉晨报 - 所有 179 相关报道 »</td>
            
<tr>
        
</table>
    
</td>
    
<td width="25%">
        
<table border=0 class="dragTable" cellspacing="0">
            
<tr>
                
<td>中关村在线</td>
            
</tr>
            
<tr>
                
<td>新年行情速递 双敏板卡低价推荐 终于等到了,映泰6600GT一降降一百 罗技G15游戏键盘热力促销,代购价仅529元 </td>
            
<tr>
        
</table></td>
    
<td width="25%">
        
<table border=0 class="dragTable" cellspacing="0">
            
<tr>
                
<td>网易商业</td>
            
</tr>
            
<tr>
                
<td>上海GDP增幅去年出现回落应对反倾销 中国鞋企联手对抗欧盟尹家绪操盘南方汽车 长安谋求曲线整体境外上市</td>
            
<tr>
        
</table>        <table border=0 class="dragTable" cellspacing="0">
            
<tr>
                
<td>黑可天下</td>
            
</tr>
            
<tr>
                
<td>上海GDP增幅去年出现回落应对反倾销 中国鞋企联手对抗欧盟尹家绪操盘南方汽车 长安谋求曲线整体境外上市</td>
            
<tr>
        
</table>
    
</td>
</tr>
</table>
<input type="button" value="SHOW" onClick="_show(document.documentElement.innerHTML)" />
</body>
</html>

posted on 2007-12-10 16:49 LifeNote 阅读(1065) 评论(2)  编辑  收藏 所属分类: Javascript
Comments
  • # re: 类似google的拖动效果--转
    LifeNote
    Posted @ 2007-12-11 09:01
    效果很不错 试下就知道了  回复  更多评论   
  • # re: 类似google的拖动效果--转
    mingj
    Posted @ 2007-12-16 17:25
    果然不错
    要是能提供撤销拖动的效果就更好了
      回复  更多评论   

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