gistfile1.txt

/**
 * The gallery perspective.
 */
@ApplicationScoped
@WorkbenchPerspective(identifier = "DisplayerGalleryPerspective")
public class DisplayerGalleryPerspective {

    @Perspective
    public PerspectiveDefinition buildPerspective() {

        PanelDefinition west = new PanelDefinitionImpl( StaticWorkbenchPanelPresenter.class.getName() );
        west.setWidth(200);
        west.setMinWidth(150);
        west.addPart("GalleryTreeScreen");

        PerspectiveDefinition perspective = new PerspectiveDefinitionImpl(MultiTabWorkbenchPanelPresenter.class.getName());
        perspective.setName(AppConstants.INSTANCE.menu_gallery());
        perspective.getRoot().insertChild(CompassPosition.WEST, west);
        perspective.getRoot().addPart("GalleryHomeScreen");
        return perspective;
    }

    @WorkbenchMenu
    public Menus getMenus() {
        return MenuFactory
                .newTopLevelMenu( "Test" ).respondsWith( new Command() {
                    @Override
                    public void execute() {
                        Window.alert( "Test!" );
                    }
                } )
                .endMenu()
                .build();
    }
}