public void setPatchAt(Patch p,int row,int col) {
public void setPatchAt(IPatch p,int row,int col) {
	public void setPatchAt(Patch p,int row,int col) {	    bankDriver.checkAndPutPatch(bankData,p,col*bankDriver.getNumPatches()/bankDriver.getNumColumns()+row);	    fireTableCellUpdated (row, col);	}