return this.layerPainter;
}
@Override
protected void registerCommandHandlers() {
registerCommandHandler(new FreezeCommandHandler(this.freezeLayer,
this.viewportLayer, this.selectionLayer));
final DimensionallyDependentIndexLayer frozenRowLayer =
(DimensionallyDependentIndexLayer) getChildLayerByLayoutCoordinate(1, 0);
frozenRowLayer.registerCommandHandler(