StubViewHeaderBar.java

package fi.utu.ville.exercises.stub;

import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

import fi.utu.ville.standardutils.Localizer;
import fi.utu.ville.standardutils.StandardIcon.Icon;
import fi.utu.ville.standardutils.StandardUIFactory;

/**
 * A header-bar to show over the testing views in stub. The header-bar provides a navigation button back to stub's start-view and possibly an info-text
 * describing the current view.
 * 
 * @author Riku Haavisto
 * 
 */
public class StubViewHeaderBar extends VerticalLayout {
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 7718375416856425313L;
	
	/**
	 * Constructs a new {@link StubViewHeaderBar}.
	 * 
	 * @param localizer
	 *            {@link Localizer} for localizing the UI
	 * @param infoText
	 *            already localized info-text to show to user of the view
	 */
	public StubViewHeaderBar(Localizer localizer, String infoText) {
		HorizontalLayout actualLayout = new HorizontalLayout();
		actualLayout.setWidth("100%");
		actualLayout.addStyleName("stub-header-bar");
		actualLayout.setMargin(true);
		actualLayout.setSpacing(true);
		
		Button backToStubStartView = StandardUIFactory.getButton(
				localizer.getUIText(StubUiConstants.BACK_TO_STUB_START),
				Icon.PREVIOUS);
				
		backToStubStartView.addClickListener(new Button.ClickListener() {
			
			private static final long serialVersionUID = 7996549476059355446L;
			
			@Override
			public void buttonClick(ClickEvent event) {
				getUI().setContent(new StubStartView());
				
			}
		});
		
		actualLayout.addComponent(backToStubStartView);
		
		HorizontalLayout infoLabel = StandardUIFactory
				.getInformationPanel(infoText);
				
		actualLayout.addComponent(infoLabel);
		actualLayout.setExpandRatio(infoLabel, 1.0f);
		
		this.addComponent(actualLayout);
		this.addComponent(new Label("<hr/>", ContentMode.HTML));
		
	}
	
}