DIV+javascript的拖动效果，层拖动，移动效果(兼容)

 

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<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<meta http-equiv="content-language" content="zh-cn" />
<title>web开发技术</title>
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element=element.parentNode.parentNode;
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var Drag={
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x : 0,
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element : null,
fDiv : null,
ghost : null,
addEvent : function(){var a=D[GET]("li");for(var i=a.length-1;i>-1;i--)if(a[i].className=="module")a[i].onmousedown=Drag.dragStart;},
ix:2,iy:7,
ox:6,oy:7,
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dragStart : function (e){
   if(Drag.draging)return;
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   D.getElementById("aaa").innerHTML=element.parentNode.offsetTop+ ","+element.parentNode.offsetHeight;
   //测试
   if(element.className!="title")return;
   element=element.parentNode;
   Drag.element=element;
   //以上获得当前移动的模块
   Drag.x=e.layerX?e.layerX+Drag.fx:(IE?e.x+Drag.ix:e.offsetX+Drag.ox);
   Drag.y=e.layerY?e.layerY+Drag.fy:(IE?e.y+Drag.iy:e.offsetY+Drag.oy);
   //鼠标相对于模块的位置
   Drop.measure();
   if(e.layerX){Drag.floatIt(e);Drag.drag(e);}//fix FF
   B.style.cursor="move";
   D.onmousemove=Drag.drag;
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   D.onselect=function(){return false};
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drag : function (e){
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   if(!Drag.fDiv)Drag.floatIt(e);//for IE & Opera
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   Drag.fDiv.style.left=x+H.scrollLeft-Drag.x+"px";
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   Drag.element.onmousedown=Drag.dragStart;
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   Drag.ghost.parentNode.insertBefore(Drag.element,Drag.ghost);
   Drag.ghost.parentNode.removeChild(Drag.ghost);
   B.removeChild(Drag.fDiv);
   Drag.fDiv=null;
   Drag.draging=false;
   Drop.init(D[GEI]("container"));
},
floatIt : function(e){
   var e,element=Drag.element;
   var ghost=D.createElement("LI");
   Drag.ghost=ghost;
   ghost.className="module ghost";
   ghost.style.height=element.offsetHeight-2+"px";
   element.parentNode.insertBefore(ghost,element);
   //创建模块占位框
   var fDiv=D.createElement("UL");
   Drag.fDiv=fDiv;
   fDiv.className="float";
   B.appendChild(fDiv);
   fDiv.style.width=ghost.parentNode.offsetWidth+"px";
   fDiv.appendChild(element);
   //创建容纳模块的浮动层
   Drag.draging=true;
}
}
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root : null,
index : null,
column : null,
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   if(!it)return;
   Drop.root=it;
   it.firstItem=it.lastItem=null;
   var a=it[GET]("ul");
   for(var i=0;i<a.length;i++){
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     a[i-1].nextItem=a[i];
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    it.lastItem=a[i];
    a[i].index=i;
    a[i].firstItem=a[i].lastItem=null;
    var b=a[i][GET]("li");
    for(var j=0;j<b.length;j++){
     if(b[j].className.indexOf("module")==-1)continue;
     if(a[i].firstItem==null){
      a[i].firstItem=b[j];
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      b[j-1].nextItem=b[j];
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     b[j].nextItem=null;
     a[i].lastItem=b[j];
     b[j].index=i+","+j;
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},
measure : function(){
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   var currentColumn=Drop.root.firstItem;
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    var currentModule=currentColumn.firstItem;
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     currentModule.maxY=currentModule.minY+currentModule.offsetHeight;
     currentModule=currentModule.nextItem;
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    currentColumn.maxX=currentColumn.minX+currentColumn.offsetWidth;
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   Drop.index=Drag.element.index;
},
drop : function(x,y){
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   var x,y,currentColumn=Drop.root.firstItem;
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    if(y>currentModule.minY-12){
     if(Drop.index==currentModule.index)return;
     Drop.index=currentModule.index;
     if(currentModule.index==Drag.element.index){if(currentModule.nextItem)currentModule=currentModule.nextItem;else break;}
     currentColumn.insertBefore(Drag.ghost,currentModule);
     Drop.column=null;
     window.status=qq++;
     return;
    }else if(currentModule.previousItem)currentModule=currentModule.previousItem;else return;
   }
   if(Drop.column==currentColumn.index)return;
   currentColumn.appendChild(Drag.ghost);
   Drop.index=0;
   Drop.column=currentColumn.index;
   window.status=qq++;
}
}
var webNote={
obj : null,
canEdit : function(e){
   var e,element;
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   element=fixElement(e);
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    element.style.borderColor='red';
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}
}
function fixE(e){var e;e=e?e:(window.event?window.event:null);return e}
function fixElement(e){var e;return e.target?(e.target.nodeType==3?e.target.parentNode:e.target):e.srcElement;}
onload=function(){
B=D[GET]("body")[0];
H=D[GET]("html")[0];
Drop.init(D[GEI]("container"));
Drag.addEvent();
}
function statu(e){
var e,element;
element=fixElement(e);
var aa=D.getElementById("aaa");
aa.innerHTML="e.xy:("+e.x+","+e.y+")<br/>e.offsetXY:("+e.offsetX+","+e.offsetY+")<br/>e.clientXY:("+e.clientX+","+e.clientY+")<br/>element.offsetLeftTop:("+element.offsetLeft+","+element.offsetTop+")<br/>e.layerXY:("+e.layerX+","+e.layerY+")";
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<style type="text/css">
body,table,td,th,input,textarea,button,select{font:13px/16px Verdana,"宋体",sans-serif;}
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.title{background-color:#edf;padding:1px 0px;width:100%;overflow:hidden;cursor:move;z-index:0;font-weight:bold;}
.cont{padding:3px;overflow:hidden;}
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.pageTitle{font-weight:bold;text-align:center;}
input.pageTitle{display:none;border:0px;padding:0px;width:100%;}
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textarea.webNote{display:none;overflow:hidden;padding:0px;border:0px;padding:0px;}
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<script type="text/javascript">
IE=true;
</script>
<style type="text/css">
input.pageTitle{margin:-1px;}
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<![endif]-->
<![if !IE]><![endif]>
</head>
<body>
<center><span class="pageTitle" onclick="with(this.nextSibling){value=this.innerHTML;style.display='block';focus()};this.style.display='none';">You can input a topic here!</span><input class="pageTitle" onblur="with(this.previousSibling){D.title=innerHTML=this.value?this.value:'Demo';style.display='block';};this.style.display='none'" /></center>
<div class="container" id="container">
<ul class="column">
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;Coodinate</div>
    <div class="cont" id="aaa">content</div>
   </li>
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;contentEditable</div>
    <div class="cont" onclick="alert('this.contentEditable:'+this.contentEditable)">click here</div>
   </li>
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;long long ago</div>
    <div class="cont">有形者 生于无有 有归于无<br/>是以 凡妄<br/>若是能见诸相非</div>
   </li>
</ul>
<ul class="column">
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;this.parentNode</div>
    <div class="cont"><button onclick="alert(this.parentNode.parentNode.parentNode.innerHTML)">parentNode</button></div>
   </li>
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;webNote</div>
    <div class="cont"><div class="webNote" onblur="webNote.cannotEdit()" onclick="webNote.canEdit(event)">You can note something here.<br/><br/>从前有座山</div><textarea class="webNote"></textarea></div>
   </li>
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;Google</div>
    <div class="cont"><center><a href="http://www.google.com/" style="font:bold 31px/2 Arial;">Google</a></center></div>
   </li>
</ul>
<ul class="column">
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;pia~~</div>
    <div class="cont">十里平湖霜满天<br/>寸寸青丝愁华年<br/>对月形单忘相护</div>
   </li>
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;biu~~</div>
    <div class="cont">您好！<br/>主人不在，您可以在biu~的一声后留言</div>
   </li>
   <li class="module">
    <div class="title"><span onclick="fold()">+</span>&nbsp;无话可说</div>
    <div class="cont" id="bbb">(字数不够,再吃一遍)</div>
   </li>
</ul>
</div>
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posted on 2009-06-12 22:24  钱途无梁  阅读(628)  评论(1)  编辑  收藏  举报