private void updateCalendarEventForm(CalendarEvent event) {
BeanItem<CalendarEvent> item = new BeanItem<>(event);
scheduleEventFieldLayout.removeAllComponents();
scheduleEventFieldGroup = new FieldGroup();
initFormFields(scheduleEventFieldLayout, event.getClass());
scheduleEventFieldGroup.setBuffered(true);
scheduleEventFieldGroup.setItemDataSource(item);
scheduledEventBinder.readBean(event);
}
private void discardCalendarEvent() {
scheduleEventFieldGroup.discard();
scheduledEventBinder.readBean(getFormCalendarEvent());
removeWindow(scheduleEventPopup);
}