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Posted on
2007-10-12 11:20
Lcf
阅读( 860)
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一种非常COOL的效果
 <?xml version="1.0" encoding="gb2312"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Test page</title>
<meta name="Author" content="mozart0" />
  <style type="text/css">
  /**//*< width:400px
 }
li{}{
border:1px solid gray;
list-style:none
}
.txt{}{
padding:4px;
background-color:#ffffff
}
.title{}{
font:bold 14px/20px verdana;
position:absolute;
top:0px;
}
/**//*]]>*/
</style>
<script language="javascript" type="text/javascript">
//<![CDATA
window.onload=function(){
var g=ggGroup(document.getElementById('test'),5,true);
//var a=g.serialize();
//g.setup(a.reverse());
};
function ggGroup(ele,margin,useCookie){
//////////
//by mozart0, 2007.06.09
//////////
margin=margin||0;
var bgcolors='#b3d580,#99c9b1,#b4a1d8,#f7c480,#d5d588,#eea2bb'.split(',');
var txtUp='上移↑ ',txtDown='下移↓ ';
var panels=children(ele);
for(var i=0;i<panels.length;i++){
var p=panels[i];
p.style.position='absolute';
p.style.width='100%';
var b=document.createElement('div');
with(b.style){
fontSize='12px';
lineHeight='20px';
backgroundColor=bgcolors[i%bgcolors.length];
textAlign='right';
}
b.innerHTML='<span>'+txtUp+'</span><span>'+txtDown+'</span>';
b.firstChild.onclick=moveup;
b.firstChild.style.cursor='pointer';
b.lastChild.onclick=movedown;
b.lastChild.style.cursor='pointer';
p.insertBefore(b,p.firstChild);
}
var retObj={
save:function(){
setCookie('gg_'+ele.id,
retObj.serialize().join(','),7*24);
},
load:function(){
var a=getCookie('gg_'+ele.id);
retObj.setup(a?a.split(','):null);
},
serialize:function(){
for(var i=0,a=[],c=children(ele);i<c.length;i++)
a.push(c[i].index);
return a;
},
setup:function(a){
var c=children(ele);
if(a&&a.length==c.length){
panels=new Array(c.length);
for(var i=0;i<a.length;i++)
panels[a[i]]=c[i];
}
for(var i=0,h=0,c=[];i<panels.length;i++){
panels[i].style.top=h+'px';
h+=panels[i].offsetHeight+margin;
c.push(i);
}
check.apply(null,c);
ele.style.height=h+'px';
ele.style.position='relative';
}
};
if(useCookie){
retObj.load();
window.attachEvent?
window.attachEvent('onunload',retObj.save):
window.addEventListener('unload',retObj.save,false);
}
else
retObj.setup(null);
return retObj;
function setCookie(name,value,expires){
var x=name+"="+escape(value);
if(expires){
var d=new Date();
d.setTime(d.getTime()+expires*24*3600*1000);
x+="; Expires="+d.toGMTString();
}
document.cookie=x;
}
function getCookie(name){
var a=document.cookie.split("; ");
name+="=";
for(var i=0;i<a.length;i++)
if(a[i].indexOf(name)==0)
return unescape(a[i].substr(name.length));
return "";
}
function check(){
for(var i=0;i<arguments.length;i++){
var x=arguments[i];
var c=panels[x].firstChild.childNodes;
c[0].style.display=x==0?'none':'';
c[1].style.display=x==panels.length-1?'none':'';
panels[x].index=x;
}
}
function moveup(evt){
var p=evt?evt.target:event.srcElement;
p=p.parentNode.parentNode;
swap(p,panels[p.index-1]);
}
function movedown(evt){
var p=evt?evt.target:event.srcElement;
p=p.parentNode.parentNode;
swap(p,panels[p.index+1]);
}
function swap(p1,p2){
var N=10;
var INTV=200;
var arr1,arr2;
var t1=parseInt(p1.style.top),t2=parseInt(p2.style.top);
var h1=p1.offsetHeight+margin,h2=p2.offsetHeight+margin;
arr1=makeArr(t1,t1<t2?h2:-h2);
arr2=makeArr(t2,t1<t2?-h1:h1);
for(var i=0;i<N;i++)(function(){
var j=i;
setTimeout(function(){
p1.style.top=arr1[j]+"px";
p2.style.top=arr2[j]+"px";
if(j==N-1){
panels[p1.index]=p2;
panels[p2.index]=p1;
check(p1.index,p2.index);
}
},(j+1)*INTV/N);
})();
function makeArr(f,x){
var ret=[];
for(var i=0;i<N;i++)
ret[i]=Math.round(f+i*x/(N-1));
return ret;
}
}
function children(e){
var ret=[];
for(var i=0,c=e.childNodes;i<c.length;i++)
if(c[i].nodeType==1)
ret.push(c[i]);
return ret;
}
}
 //]]>
</script>
</head>
<body>
<ul id="test">
<li>
<div class="txt">
<div class="title">Title A</div>
<h2>Hello<br />baby</h2></div></li>
<li>
<div class="txt">
<div class="title">Title B</div>
<img src="http://pages.blueidea.com/articleimg/2007/01/1403/preview_s01.jpg" />
</div></li>
<li>
<div class="txt">
<div class="title">Title C</div>
<i>人之初，性本善</i>
</div></li>
<li>
<div class="txt">
<div class="title">Title D</div>
may be you are right<br />may be<br /><br />but i don't understand
</div></li>
</ul>
</body>
</html>
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