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.shared.ui.MarginInfo;

import com.vaadin.spring.annotation.SpringComponent;

import com.vaadin.spring.annotation.UIScope;

import com.vaadin.ui.Component;

import com.vaadin.ui.HorizontalLayout;

import com.vaadin.ui.VerticalLayout;

import eu.etaxonomy.cdm.vaadin.toolbar.Toolbar;

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("viewAreaBean")

@UIScope

class ViewAreaBean extends HorizontalLayout implements ViewDisplay, ToolbarDisplay {

    private static final long serialVersionUID = -3763800167385449693L;

	private MainMenu mainMenu;

	private Component toolbar = null;

	// private VerticalLayout contentArea;

	private VerticalLayout mainArea;

	private Component currentViewComponent = null;

    public ViewAreaBean() {

        setSizeFull();

        mainArea = new VerticalLayout();

        mainArea.setPrimaryStyleName("valo-toolbar");

        mainArea.setSizeFull();

        mainArea.setMargin(new MarginInfo(false, false, true, false));

        addComponent(mainArea);

        setExpandRatio(mainArea, 1);

    }

	@Autowired

	public void setMainMenu(MainMenu mainMenu) {

	    this.mainMenu = mainMenu;

	    addComponentAsFirst(this.mainMenu.asComponent());

	}

    @Override

    public void setToolbar(Toolbar toolbar) {

        toolbar.initialize();

        this.toolbar = toolbar.asComponent();

        this.toolbar.setPrimaryStyleName("valo-navigation-bar");

        mainArea.addComponentAsFirst(this.toolbar);

    }

	@Override

	public void showView(View view) {

	    if(currentViewComponent != null){

	        mainArea.removeComponent(currentViewComponent);

	    }

	    currentViewComponent = Component.class.cast(view);

	    mainArea.addComponent(currentViewComponent);

	    mainArea.setExpandRatio(Component.class.cast(view), 1);

	}

}