Table Sort Example 4



<!--
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>
Table Sort Example 4 : Table Sorter : GUI Components JAVASCRIPT TUTORIALS

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JAVASCRIPT TUTORIALS
