EDIT

package eu.etaxonomy.vaadin.ui.view;

import org.springframework.beans.factory.annotation.Autowired;

import com.vaadin.navigator.View;

import com.vaadin.navigator.ViewDisplay;

import com.vaadin.spring.annotation.SpringComponent;

import com.vaadin.spring.annotation.UIScope;

import com.vaadin.ui.Component;

import com.vaadin.ui.CssLayout;

import com.vaadin.ui.HorizontalLayout;

import eu.etaxonomy.vaadin.ui.MainMenu;

/**

 * ViewAreaBean is the default implementation of ViewArea that is used to

 * position the fundamental UI elements on screen. ViewAreaBean supports dynamic

 * main menu assignment as well as allows easier handling of popup windows.

 *

 * @author Peter / Vaadin

 * @author Andreas Kohlbecker - ported to Spring

 */

@SpringComponent

@UIScope

class ViewAreaBean extends HorizontalLayout implements ViewDisplay {

    private static final long serialVersionUID = -3763800167385449693L;

	private MainMenu mainMenu;

	private CssLayout contentArea;

	public ViewAreaBean() {

		setSizeFull();

		contentArea = new CssLayout();

		contentArea.setPrimaryStyleName("valo-content");

		contentArea.addStyleName("v-scrollable");

		contentArea.setSizeFull();

		addComponent(contentArea);

		setExpandRatio(contentArea, 1);

	}

	@Autowired

	public void setMainMenu(MainMenu mainMenu) {

	    this.mainMenu = mainMenu;

	    addComponentAsFirst(this.mainMenu.asComponent());

	}

// TODO was this needed to avoid bean loading probelms? Otherwise remove it

//	private MainMenu mainMenuInstantiator;

//	@PostConstruct

//	protected void initialize() {

//		if (mainMenuInstantiator.isAmbiguous()) {

//			throw new RuntimeException("Ambiguous main menu implementations available, please refine your deployment");

//		}

//

//		if (!mainMenuInstantiator.isUnsatisfied()) {

//			mainMenu = mainMenuInstantiator.get();

//			addComponentAsFirst(mainMenu.asComponent());

//		}

//	}

	@Override

	public void showView(View view) {

		contentArea.removeAllComponents();

		contentArea.addComponent(Component.class.cast(view));

	}

}