this(); bankDriver=dm.bankDriver; setModel (dm);
dropTarget = new DropTarget (this, this); dragSource = new DragSource (); dragSource.createDefaultDragGestureRecognizer ( this, DnDConstants.ACTION_COPY_OR_MOVE, this);
    public DNDPatchTable (PatchGridModel dm)    {        this();        bankDriver=dm.bankDriver;        setModel (dm);    }