getLayout().addComponent(dateField);
final PopupDateField dateField3 = new PopupDateField();
// dateField.setValue(new java.util.Date());
dateField3.setResolution(PopupDateField.RESOLUTION_YEAR);
dateField3.addListener(new PopupDateField.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
getMainWindow().showNotification(
"Date now" + event.getProperty());
}