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02.22.2008 at 01:41PM PST, ID: 23185997
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6.4

multiselect move up and down rows ie browser error

Asked by vidhubala in JavaScript

Tags:

selecting multiple rows using ctrl, shift works fine with firefox.
but , gives error "object not supported"  in IE.. pl help.Start Free Trial 
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<html>
<head>
<title>Table Row Selection</title>
<SCRIPT LANGUAGE="JavaScript">
<!--
	var aSelectedRows = new Array();
var oLastRow;
  
function selectClick(e, oRow ) {
    if(e)event=e;
    event.returnValue = false;
    if(event.ctrlKey ) {
        toggleRow( oRow );
    }
    if(event.shiftKey) {
        selectRowsInbetween( oRow );
    }
    if(!event.ctrlKey && !event.shiftKey){
        clearAllRows();
        toggleRow( oRow );
    }
    oLastRow = oRow;
 
    /* Private Methods - selectClick() */
     
    function clearAllRows(){
        for(i=0;i<aSelectedRows.length;i++) {
            aSelectedRows[i].style.backgroundColor = '';
            aSelectedRows[i].cells[0].firstChild.checked = false;
        }
        aSelectedRows = new Array();
    }
       
    function toggleRow( oRow ) {
        if ( oRow.style.backgroundColor == 'red' ) {
            oRow.style.backgroundColor = '';
            for(i=0;i<aSelectedRows.length;i++)
                if(aSelectedRows[i]==oRow)
                    aSelectedRows.splice(i,1);
        } else {
            oRow.style.backgroundColor = 'red';
            aSelectedRows[aSelectedRows.length]=oRow;
            oRow.cells[0].firstChild.checked = true;
        }
    }
 
    function selectRowsInbetween( oRow ) {
        //if(!event.ctrlKey)
        //   clearAllRows();
        var aRows = oRow.parentNode.parentNode.rows;
        from = Math.min(oLastRow.rowIndex, oRow.rowIndex);
        to = Math.max(oRow.rowIndex, oLastRow.rowIndex);
        for (var i=from; i<=to; i++ ) {
            if ((aRows[i].style.backgroundColor != 'red') && (i > 0)) {
                aRows[i].style.backgroundColor = 'red';
                aRows[i].cells[0].firstChild.checked = true;
                aSelectedRows.push(aRows[i]);
            }
        }
    }
 
       
    /* Private Methods - selectClick() */
}
 
function setMouse(tabID){
 theTab = document.getElementById(tabID);
 oLastRow = theTab.rows[0];
 theTab.style.cursor = 'default';
 theTab.onselectstart = function(){return false};
  for(i=0;i<theTab.rows.length;i++)
   theTab.rows[i].onmousedown=function(event){selectClick(event, this)};
}  
function getSelect(theForm){
 theSel = new Array();
 for(r in aSelectedRows)
   theSel[theSel.length]=aSelectedRows[r].rowIndex;  
 theSel.sort();
 selVal = '';
 for(i=0;i<theSel.length;i++)
   selVal+=' '+theSel[i];
 theForm.SelectedRows.value=selVal.substr(1);
}
function upRow() {
    var firstDataRow = 1;
    var canUpRow = true;
    for (var i = 0; i < aSelectedRows.length; i++) {
        if (aSelectedRows[i].rowIndex == firstDataRow) {
            canUpRow = false;
        }
    }
    if (canUpRow) {
        var rowUpData = null;
        var aRow = null;
        var aRowDest = null;
        for (var i = 0; i < aSelectedRows.length; i++) {
            aRow = aSelectedRows[i];
            rowUpData = new Array();
            var aRows = aRow.parentNode.parentNode.rows;
            aRowDest = aRows[aRow.rowIndex-1];
            for (var iCell = 0; iCell < aRow.cells.length; iCell++) {
                rowUpData[iCell] = aRow.cells[iCell].innerHTML;
                aRow.cells[iCell].innerHTML = aRowDest.cells[iCell].innerHTML;
                aRowDest.cells[iCell].innerHTML = rowUpData[iCell];
                aRowDest.style.backgroundColor = 'red';
                aRow.style.backgroundColor = '';
                aSelectedRows[i] = aRowDest;
                aRowDest.cells[0].firstChild.checked = true;
            }
        }
    } else {
        alert("You cant up the first row!");
    }
}
function downRow() {
    var lastDataRow = 6;
    var canDownRow = true;
    for (var i = 0; i < aSelectedRows.length; i++) {
        if (aSelectedRows[i].rowIndex == lastDataRow) {
            canDownRow = false;
        }
    }
    if (canDownRow) {
        var rowUpData = null;
        var aRow = null;
        var aRowDest = null;
        for (var i = aSelectedRows.length-1; i >= 0; i--) {
            aRow = aSelectedRows[i];
            rowUpData = new Array();
            var aRows = aRow.parentNode.parentNode.rows;
            aRowDest = aRows[aRow.rowIndex+1];
            for (var iCell = 0; iCell < aRow.cells.length; iCell++) {
                rowUpData[iCell] = aRow.cells[iCell].innerHTML;
                aRow.cells[iCell].innerHTML = aRowDest.cells[iCell].innerHTML;
                aRowDest.cells[iCell].innerHTML = rowUpData[iCell];
                aRowDest.style.backgroundColor = 'red';
                aRow.style.backgroundColor = '';
                aSelectedRows[i] = aRowDest;
                aRowDest.cells[0].firstChild.checked = true;
            }
        }
    } else {
        alert("You cant down the last row!");
    }
}
//-->
</SCRIPT>
 
</head>
<body onLoad="setMouse('someTab')">
<form onSubmit="getSelect(this)">
<input type="hidden" name="SelectedRows">
  <table class="selectRows" id="someTab" align="center" width="200" border="1" cellpadding="0" cellspacing="0">
    <tr>
        <td>h1</td>
      <td>h2</td>
      <td>h3</td>
    </tr>
      <tr>
        <td>0</td>
      <td>Quincy</td>
      <td>Acklen</td>
    </tr>
    <tr>
        <td>1</td>
      <td>Neil</td>
      <td>Green</td>
    </tr>
    <tr>
        <td>2</td>
      <td>Holly</td>
      <td>Quarzo</td>
    </tr>
    <tr>
        <td>3</td>
      <td>Mike</td>
      <td>Senzon</td>
    </tr>
       <tr>
        <td>2</td>
      <td>Holly</td>
      <td>Quarzo</td>
    </tr>
    <tr>
        <td>3</td>
      <td>Mike</td>
      <td>Senzon</td>
    </tr>
   
  </table>  
  <center>
      <input type="button" value="up" onclick="upRow()">&nbsp;
      <input type="button" value="down" onclick="downRow()">&nbsp;
      <input type=submit value="submit"></center>
</form>
</body>
</html>
[+][-]02.22.2008 at 01:48PM PST, ID: 20961779

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About this solution

Zone: JavaScript
Tags: javascript
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Solution Provided By: vidhubala
Participating Experts: 0
Solution Grade: A
 
 
 
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