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Extend fnAddTr to allow updating an existing TR node instead of adding #8

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Extend fnAddTr to allow updating an existing TR node instead of adding #8

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29 changes: 17 additions & 12 deletions api/fnAddTr.js
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Original file line number Diff line number Diff line change
@@ -1,40 +1,45 @@
/**
* Take a TR element and add it to a DataTables table. Useful for maintaining
* custom classes and other attributes.
* custom classes and other attributes. If mRow parameter is set, update
* mRow instead of adding a new row.
* @name fnAddTr
* @anchor fnAddTr
* @author <a href="http://sprymedia.co.uk">Allan Jardine</a>
*
* @example
*
*
*/

$.fn.dataTableExt.oApi.fnAddTr = function ( oSettings, nTr, bRedraw ) {
$.fn.dataTableExt.oApi.fnAddTr = function ( oSettings, nTr, bRedraw, mRow ) {
if ( typeof bRedraw == 'undefined' )
{
bRedraw = true;
}

var nTds = nTr.getElementsByTagName('td');
if ( nTds.length != oSettings.aoColumns.length )
{
alert( 'Warning: not adding new TR - columns and TD elements must match' );
return;
}

var aData = [];
for ( var i=0 ; i<nTds.length ; i++ )
{
aData.push( nTds[i].innerHTML );
}

/* Add the data and then replace DataTable's generated TR with ours */
var iIndex = this.oApi._fnAddData( oSettings, aData );
nTr._DT_RowIndex = iIndex;
oSettings.aoData[ iIndex ].nTr = nTr;


if (typeof mRow == 'undefined') {
/* Add the data and then replace DataTable's generated TR with ours */
var iIndex = this.oApi._fnAddData( oSettings, aData );
nTr._DT_RowIndex = iIndex;
oSettings.aoData[ iIndex ].nTr = nTr;
} else {
this.fnUpdate( aData, mRow );
}

oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();

if ( bRedraw )
{
this.oApi._fnReDraw( oSettings );
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