@Order(10.0f)
public class CalendarField extends AbstractCalendarField<CalendarField.Calendar> {

  @Override
  protected boolean getConfiguredLabelVisible() {
    return false;
  }

  public class Calendar extends AbstractCalendar {

    @Order(10.0f)
    public class ItemProducer extends AbstractCalendarItemProvider {

      @Override
      protected long getConfiguredRefreshIntervallMillis() {
        return 1000000L;
      }

      @Override
      protected void execLoadItemsInBackground(IClientSession session, Date minDate, Date maxDate, Holder<ICalendarItem[]> resultHolder) throws ProcessingException {
      	//TODO e.g.: resultHolder.setValue(SERVICES.getService(ICalendarItemProcessService.class).loadCalendarItems(minDate, maxDate));
      }

      @Order(10.0f)
      public class NewMenu extends AbstractMenu {

        @Override
        protected boolean getConfiguredSingleSelectionAction() {
          return false;
        }

        @Override
        protected String getConfiguredText() {
          return Texts.get("NewCalendarItem");
        }

        @Override
        protected void execAction() throws ProcessingException {
          //TODO
        }
      }
    }
  }
}