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页面自定义拖拽布局

2007-02-26 14:32 357 查看

<html>

<head>

<style>...

body {...}{margin:0px;padding:0px;font-size:12px;text-align:center;}

body > div {...}{text-align:center; margin-right:auto; margin-left:auto;}

.content{...}{width:900px;}

.content .left{...}{

float:left;

width:20%;

border:1px solid #FF0000;

margin:3px;

}

.content .center{...}{float:left;border:1px solid #FF0000;margin:3px;width:57%}

.content .right{...}{float:right;width:20%;border:1px solid #FF0000;margin:3px}

.mo{...}{height:auto;border:1px solid #CCC;margin:3px;background:#FFF}

.mo h1{...}{background:#ECF9FF;height:18px;padding:3px;cursor:move}

.mo .nr{...}{height:80px;border:1px solid #F3F3F3;margin:2px}

h1{...}{margin:0px;padding:0px;text-align:left;font-size:12px}

</style>

<script>...

var dragobj=...{}

window.onerror=function()...{return false}

function on_ini()...{

String.prototype.inc=function(s)...{return this.indexOf(s)>-1?true:false}

var agent=navigator.userAgent

window.isOpr=agent.inc("Opera")

window.isIE=agent.inc("IE")&&!isOpr

window.isMoz=agent.inc("Mozilla")&&!isOpr&&!isIE

if(isMoz)...{

Event.prototype.__defineGetter__("x",function()...{return this.clientX+2})

Event.prototype.__defineGetter__("y",function()...{return this.clientY+2})

}

basic_ini()

}

function basic_ini()...{

window.$=function(obj)...{return typeof(obj)=="string"?document.getElementById(obj):obj}

window.oDel=function(obj)...{if($(obj)!=null)...{$(obj).parentNode.removeChild($(obj))}}

}

window.onload=function()...{

on_ini()

var o=document.getElementsByTagName("h1")

for(var i=0;i<o.length;i++)...{

o[i].onmousedown=function(e)...{

if(dragobj.o!=null)

return false

e=e||event

dragobj.o=this.parentNode

dragobj.xy=getxy(dragobj.o)

dragobj.xx=new Array((e.x-dragobj.xy[1]),(e.y-dragobj.xy[0]))

dragobj.o.style.width=dragobj.xy[2]+"px"

dragobj.o.style.height=dragobj.xy[3]+"px"

dragobj.o.style.left=(e.x-dragobj.xx[0])+"px"

dragobj.o.style.top=(e.y-dragobj.xx[1])+"px"

dragobj.o.style.position="absolute"

var om=document.createElement("div")

dragobj.otemp=om

om.style.width=dragobj.xy[2]+"px"

om.style.height=dragobj.xy[3]+"px"

dragobj.o.parentNode.insertBefore(om,dragobj.o)

return false

}

document.onselectstart=function()...{return false}

window.onfocus=function()...{document.onmouseup()}

window.onblur=function()...{document.onmouseup()}

document.onmouseup=function()...{

if(dragobj.o!=null)...{

dragobj.o.style.width="auto"

dragobj.o.style.height="auto"

dragobj.otemp.parentNode.insertBefore(dragobj.o,dragobj.otemp)

dragobj.o.style.position=""

oDel(dragobj.otemp)

dragobj=...{}

}

document.onmousemove=function(e)...{

e=e||event

if(dragobj.o!=null)...{

dragobj.o.style.left=(e.x-dragobj.xx[0])+"px"

dragobj.o.style.top=(e.y-dragobj.xx[1])+"px"

createtmpl(e)

}

function getxy(e)...{

var a=new Array()

var t=e.offsetTop;

var l=e.offsetLeft;

var w=e.offsetWidth;

var h=e.offsetHeight;

while(e=e.offsetParent)...{

t+=e.offsetTop;

l+=e.offsetLeft;

}

a[0]=t;a[1]=l;a[2]=w;a[3]=h

return a;

}

function inner(o,e)...{

var a=getxy(o)

if(e.x>a[1]&&e.x<(a[1]+a[2])&&e.y>a[0]&&e.y<(a[0]+a[3]))...{

if(e.y<(a[0]+a[3]/2))

return 1;

else

return 2;

}else

return 0;

}

function createtmpl(e)...{

for(var i=0;i<12;i++)...{

if($("m"+i)==dragobj.o)

continue

var b=inner($("m"+i),e)

if(b==0)

continue

dragobj.otemp.style.width=$("m"+i).offsetWidth

if(b==1)...{

$("m"+i).parentNode.insertBefore(dragobj.otemp,$("m"+i))

}else...{

if($("m"+i).nextSibling==null)...{

$("m"+i).parentNode.appendChild(dragobj.otemp)

}else...{

$("m"+i).parentNode.insertBefore(dragobj.otemp,$("m"+i).nextSibling)

}

return

}

for(var j=0;j<3;j++)...{

if($("dom"+j).innerHTML.inc("div")||$("dom"+j).innerHTML.inc("DIV"))

continue

var op=getxy($("dom"+j))

if(e.x>(op[1]+10)&&e.x<(op[1]+op[2]-10))...{

$("dom"+j).appendChild(dragobj.otemp)

dragobj.otemp.style.width=(op[2]-10)+"px"

}

</script>

</head>

<body>

</div>

</div>

</div>

</div>

</div>

</body>

</html>

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