Bugfix Calendarreload

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/MainView.java

@@ -74,8 +74,6 @@ public class MainView extends VerticalLayout implements NamedView {
 				openPersonViewForEvent(current);
 				if (current != null) {
 					calendar.setToday(current.getStart());
-				} else {
-					reloadEvents();
 				}
 				head.updateLoggedinPerson();
 			} else {
@@ -83,6 +81,7 @@ public class MainView extends VerticalLayout implements NamedView {
 				detailClosed();
 				head.updateLoggedinPerson();
 			}
+			reloadEvents();
 		}
 	}
 

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/CalendarComponent.java

@@ -81,6 +81,7 @@ public class CalendarComponent extends CustomComponent {
 
 		@Override
 		public void setItems(Collection<ClubEvent> items) {
+			super.itemList.clear();
 			super.setItems(items);
 			fireItemSetChanged();
 		}

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/ZonedDateTimeConverter.java

@@ -15,6 +15,9 @@ public class ZonedDateTimeConverter implements Converter<LocalDate, ZonedDateTim
 
 	@Override
 	public Result<ZonedDateTime> convertToModel(LocalDate value, ValueContext context) {
+		if (value == null) {
+			return Result.ok(null);
+		}
 		return Result.ok(ZonedDateTime.of(value, LocalTime.MIDNIGHT, ZoneId.systemDefault()));
 	}