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Fix: Tidy up the fnGetPosition API method and allow it to cope with getting a TH cell's position in the table as well as TR and TD elements. The input and output options for the function have not changed - just it's internal operation.

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This commit is contained in:
Allan Jardine 2011-05-14 10:48:14 +01:00
parent c56c84683c
commit 7bef3d19b4
1 changed files with 9 additions and 15 deletions
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24
media/js/jquery.dataTables.js vendored
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@ -1864,34 +1864,28 @@
* Purpose: Get the array indexes of a particular cell from it's DOM element
* Returns: int: - row index, or array[ int, int, int ]: - row index, column index (visible)
* and column index including hidden columns
* Inputs: node:nNode - this can either be a TR or a TD in the table, the return is
* Inputs: node:nNode - this can either be a TR, TD or TH in the table's body, the return is
* dependent on this input
*/
this.fnGetPosition = function( nNode )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
var i;
var sNodeName = nNode.nodeName.toUpperCase();
if ( nNode.nodeName.toUpperCase() == "TR" )
if ( sNodeName == "TR" )
{
return _fnNodeToDataIndex(oSettings, nNode);
}
else if ( nNode.nodeName.toUpperCase() == "TD" )
else if ( sNodeName == "TD" || sNodeName == "TH" )
{
var iDataIndex = _fnNodeToDataIndex(oSettings, nNode.parentNode);
var iCorrector = 0;
for ( var j=0 ; j<oSettings.aoColumns.length ; j++ )
var anCells = _fnGetTdNodes( oSettings, iDataIndex );
for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[j].bVisible )
if ( anCells[i] == nNode )
{
if ( oSettings.aoData[iDataIndex].nTr.getElementsByTagName('td')[j-iCorrector] == nNode )
{
return [ iDataIndex, j-iCorrector, j ];
}
}
else
{
iCorrector++;
return [ iDataIndex, _fnColumnIndexToVisible(oSettings, i ), i ];
}
}
}