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<!--
The following code is from
Professional JavaScript for Web Developers
by Nicholas C. Zakas
ISBN: 978-0-7645-7908-0
April 2005
http://www.nczonline.net/
For purchase: http://www.amazon.com/Professional-JavaScript-Developers-Wrox-Guides/dp/0764579088
For publisher website: http://www.wrox.com/WileyCDA/WroxTitle/productCd-0764579088.html
-->
<html>
<head>
<title>Table Sort Example</title>
<script type="text/javascript">
function convert(sValue, sDataType) {
switch(sDataType) {
case "int":
return parseInt(sValue);
case "float":
return parseFloat(sValue);
case "date":
return new Date(Date.parse(sValue));
default:
return sValue.toString();
}
}
function generateCompareTRs(iCol, sDataType) {
return function compareTRs(oTR1, oTR2) {
var vValue1, vValue2;
if (oTR1.cells[iCol].getAttribute("value")) {
vValue1 = convert(oTR1.cells[iCol].getAttribute("value"),
sDataType);
vValue2 = convert(oTR2.cells[iCol].getAttribute("value"),
sDataType);
} else {
vValue1 = convert(oTR1.cells[iCol].firstChild.nodeValue,
sDataType);
vValue2 = convert(oTR2.cells[iCol].firstChild.nodeValue,
sDataType);
}
if (vValue1 < vValue2) {
return -1;
} else if (vValue1 > vValue2) {
return 1;
} else {
return 0;
}
};
}
function sortTable(sTableID, iCol, sDataType) {
var oTable = document.getElementById(sTableID);
var oTBody = oTable.tBodies[0];
var colDataRows = oTBody.rows;
var aTRs = new Array;
for (var i=0; i < colDataRows.length; i++) {
aTRs[i] = colDataRows[i];
}
if (oTable.sortCol == iCol) {
aTRs.reverse();
} else {
aTRs.sort(generateCompareTRs(iCol, sDataType));
}
var oFragment = document.createDocumentFragment();
for (var i=0; i < aTRs.length; i++) {
oFragment.appendChild(aTRs[i]);
}
oTBody.appendChild(oFragment);
oTable.sortCol = iCol;
}
</script>
</head>
<body>
<P>Click on the table header to sort.</p>
<table border="1" id="tblSort">
<thead>
<tr>
<th onclick="sortTable('tblSort', 0)" style="cursor:pointer">Type</th>
<th onclick="sortTable('tblSort', 1)" style="cursor:pointer">Filename</th>
</tr>
</thead>
<tbody>
<tr>
<td value="doc"><img src="images/wordicon.gif"/></td>
<td>My Resume.doc</td>
</tr>
<tr>
<td value="xls"><img src="images/excelicon.gif"/></td>
<td>Fall Budget.xls</td>
</tr>
<tr>
<td value="pdf"><img src="images/acrobaticon.gif"/></td>
<td>How to be a better programmer.pdf</td>
</tr>
<tr>
<td value="doc"><img src="images/wordicon.gif"/></td>
<td>My Old Resume.doc</td>
</tr>
<tr>
<td value="txt"><img src="images/notepadicon.gif"/></td>
<td>Notes from Meeting.txt</td>
</tr>
<tr>
<td value="zip"><img src="images/zippedfoldericon.gif"/></td>
<td>Backups.zip</td>
</tr>
<tr>
<td value="xls"><img src="images/excelicon.gif"/></td>
<td>Spring Budget.xls</td>
</tr>
<tr>
<td value="doc"><img src="images/wordicon.gif"/></td>
<td>Job Description - Web Designer.doc</td>
</tr>
<tr>
<td value="pdf"><img src="images/acrobaticon.gif"/></td>
<td>Saved Web Page.pdf</td>
</tr>
<tr>
<td value="doc"><img src="images/wordicon.gif"/></td>
<td>Chapter 1.doc</td>
</tr>
</tbody>
</table>
</body>
</html>
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