@Override
    public <T> T getAdapter(Class<T> adapter)
    {
        if (adapter == IPropertySheetPage.class) {
            return adapter.cast(new PropertyPageStandard());
        }
        return super.getAdapter(adapter);
    }
Passing the focus request to the viewer's control.
plugins/org.jkiss.dbeaver.ui.navigator/src/org/jkiss/dbeaver/ui/navigator/database/NavigatorViewBase.java