@Override
protected void createEditPolicies() {
installEditPolicy(EditPolicy.COMPONENT_ROLE, new ActivityEditPolicy());
// installEditPolicy(EditPolicy.CONTAINER_ROLE, new
// ActivityContainerEditPolicy());
installEditPolicy(EditPolicy.DIRECT_EDIT_ROLE, new StructuredActivityDirectEditPolicy());
installEditPolicy(EditPolicy.GRAPHICAL_NODE_ROLE, new ActivityNodeEditPolicy());
installEditPolicy(EditPolicy.LAYOUT_ROLE, new StructuredActivityLayoutEditPolicy());
installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new ActivityContainerHighlightEditPolicy());
}