页面自定义拖拽布局

来源：互联网发布：网络机房设备编辑：程序博客网时间：2024/05/01 23:07

<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>

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>