@Override
protected Object createPropertyValueWrapper(Object object, Object propertyValue) {
	if (object instanceof CommandImpl) {
		return new PropertyValueWrapper(adapterFactory, object,
				((CommandImpl) object).getCommandData().getValues(), ((CommandImpl) object).getCommandData()
						.getValues());
	} else {
		return super.createPropertyValueWrapper(object, propertyValue);
	}
}

public class MapEntryItemPropertyDescriptor extends ItemPropertyDescriptor {
	public MapEntryItemPropertyDescriptor(AdapterFactory adapterFactory, String displayName, String description,
			EStructuralFeature feature) {
		super(adapterFactory, displayName, description, feature);
	}

	public MapEntryItemPropertyDescriptor(AdapterFactory adapterFactory, ResourceLocator resourceLocator,
			String displayName, String description, EStructuralFeature feature, boolean isSettable, boolean multiLine,
			boolean sortChoices, Object staticImage, String category, String[] filterFlags) {
		super(adapterFactory, resourceLocator, displayName, description, feature, isSettable, multiLine, sortChoices,
				staticImage, category, filterFlags);
	}

	@Override
	public Object getPropertyValue(Object object) {
		return ((BasicEMap.Entry<?, ?>) ((EObject) object).eContainer()).getKey();
	}

	@Override
	public void setPropertyValue(Object object, Object value) {
		super.setPropertyValue(((EObject) object).eContainer(), value);
	}
}