if (property instanceof AbstractProperty) {
AbstractProperty abstractProperty = (AbstractProperty) property;
abstractProperty.setValueAsParent(true);
}
core.registerMetaclass(new ComboBoxCellEditorMetaclass(core
.getMetaclass(ComboBoxCellEditor.class.getSuperclass(),
IConstants.XWT_NAMESPACE), this),
IConstants.XWT_NAMESPACE);
type = org.eclipse.jface.viewers.TableViewerColumn.class;