dateIntervalsBox.setOnHiding((Event event) -> {
              System.out.println("111");
        });
        dateIntervalsBox.onHiddenProperty().set((EventHandler<Event>) (Event event) -> {
              System.out.println("222");
        });
        EventHandler eh = (EventHandler<MouseEvent>) (MouseEvent event) -> {
              System.out.println("Action performed on checkbox ");
        };
        dateIntervalsBox.setOnMousePressed(eh);

        EventHandler eh = (EventHandler<MouseEvent>) (MouseEvent event) -> {
            System.out.println("!: " + dateIntervalsBox.getSelectionModel().selectedItemProperty().get());
            if (!dateIntervalsBox.getSelectionModel().isEmpty() && 
                    dateIntervalsBox.getSelectionModel().selectedItemProperty().get().equals(
                            enumStrings.getValForDateEnumWithResources(EnumDateIntervals.UserDefined.toString()))) {
                dateIntervalsBox.getSelectionModel().clearSelection();
            }
        };