DrawType type = DrawGeomsActivator.DrawType.POLYGON;
Set<Activator> defaults = DefaultEditToolBehaviour.createDefaultCreateActivators(type);
activators.addAll(defaults);
activators.add(new DeleteGlobalActionSetterActivator());
activators.add(new SetSnapBehaviourCommandHandlerActivator());
activators.add(new AdvancedBehaviourCommandHandlerActivator());
activators.add(new GridActivator());
}