vaadin-app/src/ch/asynk/helloworld/MainLayout.java


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package ch.asynk.helloworld;


import java.util.Date;

import com.vaadin.terminal.UserError;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Window.Notification;

public class MainLayout extends VerticalLayout {

    public MainLayout() {
        Label label = new Label("Hello world");
        addComponent(label);
        //
        addComponent( new Button("What is the time?", new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                getApplication().getMainWindow().showNotification("The time is " + new Date(), "<i>italic</i> <b>bold</b> description",Notification.TYPE_WARNING_MESSAGE);
                event.getButton().setComponentError( new UserError("Stop pressing this button !!") );
            }
        }));
        ///
        Button exceptionButton = new Button("throw an exception");
        addComponent(exceptionButton );
        exceptionButton.addListener( new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                throw new RuntimeException("Wahou !! : exception");
            }
        });
        //
        Button nextButton = new Button("next layout");
        nextButton.setDescription("Go to next layout");
        addComponent(nextButton );
        nextButton.addListener( new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                getApplication().getMainWindow().setContent( new DataMappingLayout() );
            }
        });
    }

}