@Inject
public SingleCharacterPropertyWidget(ConfiguredPropertyDescriptor propertyDescriptor,
AbstractBeanJobBuilder<?, ?, ?> beanJobBuilder) {
super(beanJobBuilder, propertyDescriptor);
_textField = new CharTextField();
Character currentValue = (Character) beanJobBuilder.getConfiguredProperty(propertyDescriptor);
setValue(currentValue);
_textField.addDocumentListener(_listener);