}
});
actionGroup.add(defineItems);
WGContentTypeDefinitionModel contentTypeDefinitionModel = new WGContentTypeDefinitionModel();
contentTypeDefinitionModel.addListener(new BeanChangedListener<WGContentTypeDefinition>() {
public void changed(WGContentTypeDefinition bean) {
_treeViewer.refresh(bean, true);
_model.fireModelChanged();
}
});