/**
* This plug-in will take a `dt-tag tr` element and alter the table's paging
* to make that `dt-tag tr` element (i.e. that row) visible.
*
* @name fnDisplayRow
* @summary Shift the table's paging to display a given `dt-tag tr` element
* @author [Allan Jardine](http://sprymedia.co.uk)
*
* @param {node} nRow Row to display
*
* @example
* // Display the 21st row in the table
* var table = $('#example').dataTable();
* table.fnDisplayRow( table.fnGetNodes()[20] );
*/
jQuery.fn.dataTableExt.oApi.fnDisplayRow = function ( oSettings, nRow )
{
// Account for the "display" all case - row is already displayed
if ( oSettings._iDisplayLength == -1 )
{
return;
}
// Find the node in the table
var iPos = -1;
for( var i=0, iLen=oSettings.aiDisplay.length ; i<iLen ; i++ )
{
if( oSettings.aoData[ oSettings.aiDisplay[i] ].nTr == nRow )
{
iPos = i;
break;
}
}
// Alter the start point of the paging display
if( iPos >= 0 )
{
oSettings._iDisplayStart = ( Math.floor(i / oSettings._iDisplayLength) ) * oSettings._iDisplayLength;
if ( this.oApi._fnCalculateEnd ) {
this.oApi._fnCalculateEnd( oSettings );
}
}
this.oApi._fnDraw( oSettings );
};
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