Bind Enum values to ComboBox

I want to bind enum values from my Model to a ComboBox. What I tried:

Model:

public class Model{
public enum Status {
        Neu, Analyse, Pruefung, Freigabe, OnTheRoad, EOL, CANCELLED;
        public String getCaption() {
            return name();
        }

        public int getId() {
            return ordinal();
        }
    }

    private Status status;
}

Form:

public class MyForm extends CustomComponent{

private final BeanFieldGroup<Model> binder;

@PropertyId("status")
 private final ComboBox cStatus = new ComboBox("Status");

public MyForm (Model model) {
        final HorizontalLayout content = new HorizontalLayout();
        content.addComponent(buildContent());

        // Now use a binder to bind the members
        binder = new BeanFieldGroup<>(Model.class);

        // We need an item data source before we create the fields to be able to
        // find the properties, otherwise we have to specify them by hand
        final BeanItem bean = new BeanItem<>(model);
        binder.setItemDataSource(bean);
        binder.buildAndBindMemberFields(this);

        setCompositionRoot(content);
}

private buildContent(){
        final FormLayout basicContent = new FormLayout();

        final BeanContainer<Integer, Status> container = new BeanContainer<>(Status.class);
        container.setBeanIdProperty("id");
        container.addAll(EnumSet.allOf(Status.class));
        cStatus.setContainerDataSource(container);
        cStatus.setItemCaptionPropertyId("caption");
        basicContent.addComponent(cStatus);

        return basicContent;
}

public void commit() throws CommitException {
        binder.commit();
}
}

When i call commit() I'm getting this error:

Caused by: com.vaadin.data.util.converter.Converter$ConversionException: Unable to convert value of type java.lang.Integer to model type class com.xx.test.entities.def.Model$Status. No converter is set and the types are not compatible.
    at com.vaadin.data.util.converter.ConverterUtil.convertToModel(ConverterUtil.java:181) ~[vaadin-server-7.5.6.jar:7.5.6]
    at com.vaadin.ui.AbstractField.convertToModel(AbstractField.java:751) ~[vaadin-server-7.5.6.jar:7.5.6]
    at com.vaadin.ui.AbstractField.convertToModel(AbstractField.java:731) ~[vaadin-server-7.5.6.jar:7.5.6]
    at com.vaadin.ui.AbstractField.getConvertedValue(AbstractField.java:817) ~[vaadin-server-7.5.6.jar:7.5.6]
    at com.vaadin.ui.AbstractField.commit(AbstractField.java:253) ~[vaadin-server-7.5.6.jar:7.5.6]
    at com.vaadin.data.fieldgroup.FieldGroup.commitFields(FieldGroup.java:509) ~[vaadin-server-7.5.6.jar:7.5.6]
    at com.vaadin.data.fieldgroup.FieldGroup.commit(FieldGroup.java:481) ~[vaadin-server-7.5.6.jar:7.5.6]
    ... 49 more

Is there any way to bind the Enum of my Model to the ComboBox ?

Thanks for any help!

Hello,

You could try to add from integer to Model.Status -converter to the combobox. You could use the ordinal from the enum to do the conversion.

-Matti
 

You could try the EnumSelect from the Viritin addon. It contains a lot of additional fields like this.

EnumSelect<MyEnum> type = new EnumSelect<MyEnum>("Type");

I used BeanItemContainer.

// ...
final BeanItemContainer<Status> container = new BeanItemContainer<>(Status.class);
container.addAll(EnumSet.allOf(Status.class));
cStatus.setContainerDataSource(container);
cStatus.setItemCaptionPropertyId("caption");
basicContent.addComponent(cStatus);
// ...