super.initializeInteraction();
/* GraphPane pane = */getGraphPane();
// Add a menu command to configure the ports.
_portDialogAction = new PortDialogAction("Ports");
_portDialogAction.setConfiguration(getConfiguration());
_configureMenuFactory.addAction(_portDialogAction, "Customize");
_configureUnitsAction = new ConfigureUnitsAction("Units Constraints");
_configureMenuFactory.addAction(_configureUnitsAction, "Customize");