super(name, icon, tooltip);
}
public void actionPerformed(ActionEvent e) {
if (_domainView == null) {
_domainView = new MetamodelView(getService().getUnit().getMetamodel());
_legends = new AttributeLegendView();
showTab(_outputPane, "Legends", new JScrollPane(_legends));
}
showTab(_tabbedPane, "Domain Model", _domainView);
}