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);
}
@SuppressWarnings("unchecked")
private BasicEvent getFormCalendarEvent() {
BeanItem<CalendarEvent> item =
(BeanItem<CalendarEvent>) scheduleEventFieldGroup.getItemDataSource();
CalendarEvent event = item.getBean();
return (BasicEvent) event;
}
/* Adds/updates the event in the data source and fires change event. */
private void commitCalendarEvent() throws CommitException, ValidationException {
scheduleEventFieldGroup.commit();
BasicEvent event = getFormCalendarEvent();
scheduledEventBinder.writeBean(event);
if (event.getEnd() == null) {
event.setEnd(event.getStart());
}
if (!dataSource.containsEvent(event)) {
dataSource.addEvent(event);
}
removeWindow(scheduleEventPopup);
}
private void initFormFields(Layout formLayout, Class<? extends CalendarEvent> eventClass) {
startDateField = createDateField("Start date");
endDateField = createDateField("End date");
final CheckBox allDayField = createCheckBox("All-day");
allDayField.addValueChangeListener(
event -> {
if (event.getValue()) {
setFormDateResolution(Resolution.DAY);
} else {
setFormDateResolution(Resolution.MINUTE);
}
});
captionField = createTextField("Caption");
final TextField whereField = createTextField("Where");
final TextArea descriptionField = createTextArea("Description");
descriptionField.setRows(3);
final ComboBox styleNameField = createStyleNameComboBox();
formLayout.addComponent(startDateField);
formLayout.addComponent(endDateField);
formLayout.addComponent(allDayField);
formLayout.addComponent(captionField);
if (eventClass == CalendarTestEvent.class) {
formLayout.addComponent(whereField);
}
formLayout.addComponent(descriptionField);
formLayout.addComponent(styleNameField);
scheduleEventFieldGroup.bind(startDateField, "start");
scheduleEventFieldGroup.bind(endDateField, "end");
scheduleEventFieldGroup.bind(captionField, "caption");
scheduleEventFieldGroup.bind(descriptionField, "description");
if (eventClass == CalendarTestEvent.class) {
scheduleEventFieldGroup.bind(whereField, "where");
}
scheduleEventFieldGroup.bind(styleNameField, "styleName");
scheduledEventBinder.bind(allDayField, CalendarEvent::isAllDay, null);
}
private void discardCalendarEvent() {
scheduleEventFieldGroup.discard();
scheduledEventBinder.readBean(getFormCalendarEvent());
removeWindow(scheduleEventPopup);
}