编程 Javascript

模仿JQuery sortable效果代码有错但值得看看

Posted in Javascript onNovember 05, 2009

<!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> 
模仿JQuery sortable效果 
</title> 
<style type="text/css"> 
ul 
{ 
width :200px; 
list-style-type:none; 
margin:0px; 
padding:0px; 
} 
li 
{ 
height: 100px; width: 202px 
} 
</style> <script type="text/javascript"> 
var sortableDoubleUl= 
{ 
offsetYInsertDiv:document.all?-10:-3, 
srcUL:false, 
leftUL:"leftUL", 
rightUL:"rightUL", 
moveableUL:false, 
moveCounter:-1, 
srcLI:false, 
srcNextSibling:false, 
leftPosOfLeftUL:false, 
widthOfLeftUL:false, 
leftPosOfRightUL:false, 
widthOfRightUL:false, 
insertDiv:false, 
insertAsFirstNode:false, 
descElement:false, 
timer:10, 
init:function() 
{ 
this.leftUL = document.getElementById(this.leftUL);//<ul id="arrangableNodes"> 
this.rightUL= document.getElementById(this.rightUL);//<ul id="ul2"> 
var moveableUL= document.createElement('UL'); 
var moveableDiv=document.createElement("DIV"); 
moveableDiv.appendChild(moveableUL); 
moveableDiv.style.position="absolute"; 
document.body.appendChild(moveableDiv); 
this.moveableUL =moveableUL; 
var insertDiv=document.createElement("DIV"); 
insertDiv.style.position="absolute"; 
insertDiv.style.display="none"; 
document.body.appendChild(insertDiv); 
insertDiv.innerHTML="<img src='../images/insert.gif'/>"; 
this.insertDiv =insertDiv; 
this.leftPosOfLeftUL =this.getAbsoluteLeftPos(this.leftUL); 
this.leftPosOfRightUL=this.getAbsoluteLeftPos(this.rightUL); 
this.insertDiv.style.left = this.leftPosOfLeftUL - 5 + 'px'; 
this.widthOfLeftUL= this.leftUL.offsetWidth; 
this.widthOfRightUL=this.rightUL.offsetWidth; 
var leftLi =this.leftUL.getElementsByTagName('LI'); 
for(var i=0;i<leftLi.length;i++) 
{ 
leftLi[i].onmousedown = this.initMoveNode; 
//不允许复制文字 
leftLi[i].onselectstart = this.cancelEvent; 
} 
var rightLi =this.rightUL.getElementsByTagName('LI'); 
for(var i=1;i<rightLi.length-1;i++) 
{ 
rightLi[i].onmousedown = this.initMoveNode; 
//不允许复制文字 
rightLi[i].onselectstart = this.cancelEvent; 
} 
document.documentElement.onmouseup =this.NodeStopMove; 
document.documentElement.onmousemove =this.NodeMove; 
document.documentElement.onselectstart = this.cancelEvent; 
}, 
cancelEvent:function (){return false},//无事件 
getAbsoluteTopPos:function(srcObj)//获取控件距文档顶部的绝对位置 
{ 
var returnValue = srcObj.offsetTop; 
while((srcObj = srcObj.offsetParent) != null) 
{ 
returnValue += srcObj.offsetTop; 
} 
return returnValue; 
}, 
getAbsoluteLeftPos:function(srcObj)//获取控件距文档底部的绝对位置 
{ 
//如果父元素的position不是relative或absolute就会一直向上找直到body 
var returnValue = srcObj.offsetLeft; 
while((srcObj = srcObj.offsetParent) != null) 
{ 
returnValue += srcObj.offsetLeft; 
} 
return returnValue; 
}, 
initMoveNode:function(e)//当鼠标按下LI时初始化LI节点 
{ 
//clearMovableDiv(); 
if(document.all) 
{ 
e = event; 
} 
//每次初始化节点时将其清0 
sortableDoubleUl.moveCounter=0; 
sortableDoubleUl.srcLI=this; 
sortableDoubleUl.srcUL=this.parentNode; 
if(this.nextSibling) 
sortableDoubleUl.srcNextSibling =this.nextSibling; 
else sortableDoubleUl.srcNextSibling = false; 
sortableDoubleUl.moveNodeByTimer(); 
sortableDoubleUl.moveableUL.parentNode.style.left = e.clientX + 'px'; 
sortableDoubleUl.moveableUL.parentNode.style.top = e.clientY + 'px'; 
return false; 
}, 
moveNodeByTimer:function () 
{ 
if(this.moveCounter>=0 && this.moveCounter<10) 
{ 
this.moveCounter = this.moveCounter +1; 
setTimeout('sortableDoubleUl.moveNodeByTimer()',this.timer); 
} 
if(this.moveCounter>=10) 
{ 
this.moveableUL.appendChild(this.srcLI); 
} 
}, 
NodeMove:function(e) 
{ 
if(document.all)e = event; 
//当前选中时间不到时不可移动 
if(sortableDoubleUl.moveCounter<10)return; 
if(document.all && sortableDoubleUl.moveCounter>=10 && e.button!=1 && navigator.userAgent.indexOf('Opera')==-1){ 
alert("非微软&&超过移动时间"); 
sortableDoubleUl.NodeStopMove(); 
} 
//当前要移动的UL的位置跟随鼠标位置 
sortableDoubleUl.moveableUL.parentNode.style.left = e.clientX + 'px'; 
sortableDoubleUl.moveableUL.parentNode.style.top = e.clientY + 'px'; 
//临时变量保存鼠标的起始移动Y轴位置 
var tmpY = e.clientY; 
var tmpX = e.clientX; 
sortableDoubleUl.insertDiv.style.display='none'; 
sortableDoubleUl.descElement = false; 
//window.status=tmpX+":"+tmpY+"ul1left:"+leftPosArrangableNodes+"|"+(leftPosArrangableNodes + widthArrangableNodes)+"ul2left:"+leftPosArrangableNodes2+"|"+(leftPosArrangableNodes2+widthArrangableNodes2); 
if(tmpX>sortableDoubleUl.leftPosOfLeftUL&&tmpX<(sortableDoubleUl.leftPosOfLeftUL +sortableDoubleUl.widthOfLeftUL)) 
{ 
var leftLI =sortableDoubleUl.leftUL.getElementsByTagName('LI'); 
sortableDoubleUl.insertDiv.style.left = (sortableDoubleUl.leftPosOfLeftUL + sortableDoubleUl.offsetYInsertDiv) + 'px'; 
for(var i=0;i<leftLI.length;i++) 
{ 
//获取LI的TOP位置 
var topPos =sortableDoubleUl.getAbsoluteTopPos(leftLI[i]); 
//获取LI的原始高度 
var tmpHeight = leftLI[i].offsetHeight; 
if(i==0) 
{ 
if(tmpY<=topPos && tmpY>=topPos-5) 
{ 
sortableDoubleUl.insertDiv.style.top = (topPos +sortableDoubleUl.offsetYInsertDiv) + 'px'; 
sortableDoubleUl.insertDiv.style.display = 'block'; 
sortableDoubleUl.descElement = leftLI[i]; 
sortableDoubleUl.insertAsFirstNode = true; 
return; 
} 
} 
if(tmpY>=topPos && tmpY<=(topPos+tmpHeight)) 
{ 
sortableDoubleUl.insertDiv.style.top = (topPos+tmpHeight +sortableDoubleUl.offsetYInsertDiv) + 'px'; 
sortableDoubleUl.insertDiv.style.display = 'block'; 
sortableDoubleUl.insertAsFirstNode = leftLI[i]; 
sortableDoubleUl.descElement = leftLI[i]; 
insertAsFirstNode = false; 
return; 
} 
} 
} 
else if(tmpX>sortableDoubleUl.leftPosOfRightUL&&tmpX<(sortableDoubleUl.leftPosOfRightUL +sortableDoubleUl.widthOfRightUL)) 
{ 
var rightLI =sortableDoubleUl.rightUL.getElementsByTagName('LI'); 
sortableDoubleUl.insertDiv.style.left =(sortableDoubleUl.leftPosOfRightUL+sortableDoubleUl.offsetYInsertDiv) + 'px'; 
for(var i=0;i<rightLI.length;i++) 
{ 
//获取LI的TOP位置 
var topPos =sortableDoubleUl.getAbsoluteTopPos(rightLI[i]); 
//获取LI的原始高度 
var tmpHeight = rightLI[i].offsetHeight; 
if(i==0) 
{ 
if(tmpY<=topPos && tmpY>=topPos-5) 
{ 
sortableDoubleUl.insertDiv.style.top = (topPos +sortableDoubleUl.offsetYInsertDiv) + 'px'; 
sortableDoubleUl.insertDiv.style.display = 'block'; 
sortableDoubleUl.descElement = rightLI[i]; 
sortableDoubleUl.insertAsFirstNode = true; 
return; 
} 
} 
if(tmpY>=topPos && tmpY<=(topPos+tmpHeight)) 
{ 
sortableDoubleUl.insertDiv.style.top = (topPos+tmpHeight +sortableDoubleUl.offsetYInsertDiv) + 'px'; 
sortableDoubleUl.insertDiv.style.display = 'block'; 
sortableDoubleUl.descElement = rightLI[i]; 
sortableDoubleUl.insertAsFirstNode = false; 
return; 
} 
} 
} 
else 
{ 
return; 
} 
}, 
ClearMoveNode:function() 
{ 
this.descElement = false; 
if(sortableDoubleUl.moveableUL.getElementsByTagName('LI').length>0) 
{ 
if(sortableDoubleUl.srcNextSibling) 
this.srcUL.insertBefore(sortableDoubleUl.srcLI,sortableDoubleUl.srcNextSibling); 
else sortableDoubleUl.srcUL.appendChild(sortableDoubleUl.srcLI); 
} 
}, 
NodeStopMove:function(e) 
{ 
sortableDoubleUl.moveCounter = -1; 
sortableDoubleUl.insertDiv.style.display='none'; 
//如果找到目标 
if(sortableDoubleUl.descElement) 
{ 
var parentUL=sortableDoubleUl.descElement.parentNode; 
var li = parentUL.getElementsByTagName('LI'); 
if(sortableDoubleUl.descElement==li[0] && sortableDoubleUl.insertAsFirstNode) 
{ 
if(parentUL==sortableDoubleUl.rightUL) 
{ 
alert("首节点必须是公文起草") 
sortableDoubleUl.ClearMoveNode(); 
} 
else 
{ 
parentUL.insertBefore(sortableDoubleUl.srcLI,sortableDoubleUl.descElement); 
} 
} 
else 
{ 
if(sortableDoubleUl.descElement.nextSibling) 
{ 
parentUL.insertBefore(sortableDoubleUl.srcLI,sortableDoubleUl.descElement.nextSibling); 
} 
else 
{ 
if(parentUL==sortableDoubleUl.rightUL) 
{ 
sortableDoubleUl.ClearMoveNode(); 
alert("末节点必须是公文发送") 
} 
else 
{ 
parentUL.appendChild(sortableDoubleUl.srcLI); 
} 
} 
} 
} 
else 
{ 
//未找到 
alert("未找到"); 
sortableDoubleUl.ClearMoveNode(); 
} 
} 
}; 
</script> 
</head> 
<body> 
<h1> 
Arrange the nodes below</h1> 
<table style="border:#ccc 1px solid;"> 
<tr> 
<td style="width:2000px;border:#ccc 1px solid;"> 
<input id="Text1" style="width:500px; height:300px;" type="text" /> 
sfsfa 
</td> 
<td style="width:400px; border:#ccc 1px solid;"> 
<div> 
<div style="padding: 5px"> 
<ul id="leftUL" style="height:500px; overflow:auto;"> 
<li id="node1"> 
<img src="imagePre/0004.gif" style="height: 55px; width: 202px" /> 
</li> 
<li id="node2"> <img src="imagePre/0004.gif" style="height: 55px; width: 202px" /></li> 
<li id="node3"> <img src="imagePre/0004.gif" style="height: 55px; width: 202px" /></li> 
<li id="node4"> <img src="imagePre/0004.gif" style="height: 55px; width: 202px" /></li> 
<li id="node5"> <img src="imagePre/0004.gif" style="height: 55px; width: 202px" /></li> 
<li id="node6"> <img src="imagePre/0004.gif" style="height: 55px; width: 202px" /></li> 
</ul> 
</div> 
</div> 
</td> 
<td style="width:400px;width:400px; border:#ccc 1px solid;"> 
<ul id="rightUL" style="height:500px; overflow:auto;"> 
<li id="Li1"> 
<div> 
n11</div> 
</li> 
<li id="Li2">n12</li> 
<li id="Li3">n13</li> 
<li id="Li4">n14</li> 
<li id="Li5">n15</li> 
<li id="Li6">n16</li> 
</ul> 
</td> 
</tr> 
</table> 
</form> 
<div align="center"> 
联系方式：QQ：492006183 
MSN：zhang-lizhi@hotmail.com 
</div> 
<script type="text/javascript"> 
sortableDoubleUl.init() 
</script> 
</body> 
</html>

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模仿JQuery sortable效果 代码有错但值得看看

模仿JQuery sortable效果代码有错但值得看看