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拖動(dòng)交換單元格內(nèi)容

<html>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=gb2312">
<TITLE>拖動(dòng)</TITLE>
<STYLE>
td{width:20%;height:20px;border-bottom:1px solid black;border-right:1px solid black;cursor:default;}
div{font-size:13px;}
th{height:20px;font-size:12px;font-weight:normal;border-bottom:2px solid black;background-color:#CCCCCC}
table{border:1px solid black;font-size:13px;}
</STYLE>
<script language="javascript">
/************************************ dragedTableData.js *******************************/
/************************************ dragedTableData.js *******************************/
/*
* created by LxcJie 2004.4.12
* 可以實(shí)現(xiàn)表格內(nèi)容的內(nèi)部拖動(dòng)
* 確保中間過度層的存在，id為指定
*/
/*--------全局變量-----------*/
var dragedTable_x0,dragedTable_y0,dragedTable_x1,dragedTable_y1;
var dragedTable_movable = false;
var dragedTable_preCell = null;
var dragedTable_normalColor = null;
//起始單元格的顏色
var dragedTable_preColor = "lavender";
//目標(biāo)單元格的顏色
var dragedTable_endColor = "#FFCCFF";
var dragedTable_movedDiv = "dragedTable_movedDiv";
var dragedTable_tableId = "";
/*--------全局變量-----------*/
function DragedTable(tableId)
{
dragedTable_tableId = tableId;
var oTempDiv = document.createElement("div");
oTempDiv.id = dragedTable_movedDiv;
oTempDiv.onselectstart = function(){return false};
oTempDiv.style.cursor = "hand";
oTempDiv.style.position = "absolute";
oTempDiv.style.border = "1px solid black";
oTempDiv.style.backgroundColor = dragedTable_endColor;
oTempDiv.style.display = "none";
document.body.appendChild(oTempDiv);
document.all(tableId).onmousedown = showDiv;
}
//得到控件的絕對(duì)位置
function getPos(cell)
{
var pos = new Array();
var t=cell.offsetTop;
var l=cell.offsetLeft;
while(cell=cell.offsetParent)
{
t+=cell.offsetTop;
l+=cell.offsetLeft;
}
pos[0] = t;
pos[1] = l;
return pos;
}
//顯示圖層
function showDiv()
{
var obj = event.srcElement;
var pos = new Array();
//獲取過度圖層
var oDiv = document.all(dragedTable_movedDiv);
if(obj.tagName.toLowerCase() == "td")
{
obj.style.cursor = "hand";
pos = getPos(obj);
//計(jì)算中間過度層位置，賦值
oDiv.style.width = obj.offsetWidth;
oDiv.style.height = obj.offsetHeight;
oDiv.style.top = pos[0];
oDiv.style.left = pos[1];
oDiv.innerHTML = obj.innerHTML;
oDiv.style.display = "";
dragedTable_x0 = pos[1];
dragedTable_y0 = pos[0];
dragedTable_x1 = event.clientX;
dragedTable_y1 = event.clientY;
//記住原td
dragedTable_normalColor = obj.style.backgroundColor;
obj.style.backgroundColor = dragedTable_preColor;
dragedTable_preCell = obj;
dragedTable_movable = true;
}
}
function dragDiv()
{
if(dragedTable_movable)
{
var oDiv = document.all(dragedTable_movedDiv);
var pos = new Array();
oDiv.style.top = event.clientY - dragedTable_y1 + dragedTable_y0;
oDiv.style.left = event.clientX - dragedTable_x1 + dragedTable_x0;
var oTable = document.all(dragedTable_tableId);
for(var i=0; i<oTable.cells.length; i++)
{
if(oTable.cells[i].tagName.toLowerCase() == "td")
{
pos = getPos(oTable.cells[i]);
if(event.x>pos[1]&&event.x<pos[1]+oTable.cells[i].offsetWidth
&& event.y>pos[0]&& event.y<pos[0]+oTable.cells[i].offsetHeight)
{
if(oTable.cells[i] != dragedTable_preCell)
oTable.cells[i].style.backgroundColor = dragedTable_endColor;
}
else
{
if(oTable.cells[i] != dragedTable_preCell)
oTable.cells[i].style.backgroundColor = dragedTable_normalColor;
}
}
}
}
}
function hideDiv()
{
if(dragedTable_movable)
{
var oTable = document.all(dragedTable_tableId);
var pos = new Array();
if(dragedTable_preCell != null)
{
for(var i=0; i<oTable.cells.length; i++)
{
pos = getPos(oTable.cells[i]);
//計(jì)算鼠標(biāo)位置，是否在某個(gè)單元格的范圍之內(nèi)
if(event.x>pos[1]&&event.x<pos[1]+oTable.cells[i].offsetWidth
&& event.y>pos[0]&& event.y<pos[0]+oTable.cells[i].offsetHeight)
{
if(oTable.cells[i].tagName.toLowerCase() == "td")
{
//交換文本
dragedTable_preCell.innerHTML = oTable.cells[i].innerHTML;
oTable.cells[i].innerHTML = document.all(dragedTable_movedDiv).innerHTML;
//清除原單元格和目標(biāo)單元格的樣式
dragedTable_preCell.style.backgroundColor = dragedTable_normalColor;
oTable.cells[i].style.backgroundColor = dragedTable_normalColor;
oTable.cells[i].style.cursor = "";
dragedTable_preCell.style.cursor = "";
dragedTable_preCell.style.backgroundColor = dragedTable_normalColor;
}
}
}
}
dragedTable_movable = false;
//清除提示圖層
document.all(dragedTable_movedDiv).style.display = "none";
}
}
document.onmouseup = function()
{
hideDiv();
var oTable = document.all(dragedTable_tableId);
for(var i=0; i<oTable.cells.length; i++)
oTable.cells[i].style.backgroundColor = dragedTable_normalColor;
}
document.onmousemove = function()
{
dragDiv();
}
/************************************ dragedTableData.js 結(jié)束 *******************************/
/************************************ dragedTableData.js 結(jié)束 *******************************/
</script>
<script language="javascript">
function init()
{
//注冊(cè)可拖拽表格
new DragedTable("tableId");
}
</script>
</HEAD>
<BODY oncontextmenu="return false;" onload="init()">
<TABLE id="tableId" width="70%" align="center" cellpadding="0" cellspacing="0">
<TR>
<TH colspan="4" style="">拖動(dòng)交換單元格內(nèi)容</TH>
</TR>
<TR>
<TD>Java</TD>
<TD>Java One </TD>
<TD>JBuilder</TD>
<TD>Stuts</TD>
</TR>
<TR>
<TD>C++</TD>
<TD>Visual Studio</TD>
<TD>Office</TD>
<TD>Windows</TD>
</TR>
<TR>
<TD>PhotoShop</TD>
<TD>Java</TD>
<TD>Illustrator</TD>
<TD>PageMaker</TD>
</TR>
<TR>
<TD>Cartoon</TD>
<TD>Telephone</TD>
<TD>China</TD>
<TD>USA</TD>
</TR>
<TR>
<TD>Java</TD>
<TD>Java One </TD>
<TD>JBuilder</TD>
<TD>Stuts</TD>
</TR>
<TR>
<TD>C++</TD>
<TD>Visual Studio</TD>
<TD>Office</TD>
<TD>Windows</TD>
</TR>
<TR>
<TD>PhotoShop</TD>
<TD>Flash</TD>
<TD>Illustrator</TD>
<TD>PageMaker</TD>
</TR>
<TR>
<TD>Cartoon</TD>
<TD>Telephone</TD>
<TD>China</TD>
<TD>USA</TD>
</TR>
</TABLE>
</BODY>
</HTML>

[提示：你可先修改部分代碼，再按運(yùn)行]

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------------------------------------------------------------------------------------------------------ ----------------- ---------

posted on 2007-12-07 14:38 宋針還閱讀(1307) 評(píng)論(2) 編輯收藏所屬分類: JAVASCRIPT

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