public void init (CrowdContext ctx, PlaceConfig config)
{
super.init(ctx, config);
// save things off
PuzzlePanel panel = (PuzzlePanel)_ctrl.getPlaceView();
_ctx = (PuzzleContext)ctx;
_dview = (DropBoardView)panel.getBoardView();
_dpanel = (DropPanel)panel;
_dboard = (DropBoard)_ctrl.getBoard();
// obtain the board dimensions
DropConfig dconfig = (DropConfig)config;