Function _fnGetCellData

blockstrap/js/dependencies/tables.js:1044–1078

* Get the data for a given cell from the internal cache, taking into account data mapping * @param {object} oSettings dataTables settings object * @param {int} iRow aoData row id * @param {int} iCol Column index * @param {string} sSpecific data get type ('display', 'type' 'filter' 'sort'

( oSettings, iRow, iCol, sSpecific )

	 *  @memberof DataTable#oApi
	 */
	function _fnGetCellData( oSettings, iRow, iCol, sSpecific )
	{
		var oCol = oSettings.aoColumns[iCol];
		var oData = oSettings.aoData[iRow]._aData;
		var sData = oCol.fnGetData( oData, sSpecific );
	
		if ( sData === undefined )
		{
			if ( oSettings.iDrawError != oSettings.iDraw && oCol.sDefaultContent === null )
			{
				_fnLog( oSettings, 0, "Requested unknown parameter "+
					(typeof oCol.mData=='function' ? '{function}' : "'"+oCol.mData+"'")+
					" for row "+iRow, 4 );
				oSettings.iDrawError = oSettings.iDraw;
			}
			return oCol.sDefaultContent;
		}
	
		/* When the data source is null, we can use default column data */
		if ( (sData === oData || sData === null) && oCol.sDefaultContent !== null )
		{
			sData = oCol.sDefaultContent;
		}
		else if ( typeof sData === 'function' )
		{
			// If the data source is a function, then we run it and use the return
			return sData();
		}
	
		if ( sData === null && sSpecific == 'display' )
		{
			return '';
		}
		return sData;
	}
	
	
	/**