Bug 263090 [legacy] Load the model with commands and handlers
The legacy fragment should be able to load the commands model with commands and the handlers model with handlers. PW
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/Workbench.java
if (factory != null) {
				factory.init(r, context, f);
				r.addPartFactory(factory);
			}
		}
	}
	private void createGUI(MWindow wbw) {
		if (renderer == null) {
			renderer = new PartRenderer(contributionFactory, globalContext);
			initializeRenderer(registry, renderer, globalContext,
					contributionFactory);
		}
		renderer.createGui(wbw);
		appWindow = wbw.getWidget();
	}
	public void close() {
		if (appWindow != null)
			windowHandler.dispose(appWindow);
	}
	
	
	
	public void closeWindow(MWorkbenchWindow workbenchWindow) {
		windowHandler.close(workbenchWindow.getWidget());
	}
	public Object getWindow() {
		return appWindow;
	}
}