void ObjectCollectionItem::insert_objects(const string& path) const
{
    const string base_object_name =
        bf::path(path).replace_extension().filename().string();

    ParamArray params;
    params.insert("filename", path);

    SearchPaths search_paths;
    MeshObjectArray mesh_objects;

    if (!MeshObjectReader().read(
            search_paths,
            base_object_name.c_str(),
            params,
            mesh_objects))
        return;

    for (size_t i = 0; i < mesh_objects.size(); ++i)
    {
        MeshObject* object = mesh_objects[i];

        m_parent_item->add_item(object);

        m_parent.objects().insert(auto_release_ptr<Object>(object));

        const string object_instance_name = string(object->get_name()) + "_inst";

        auto_release_ptr<ObjectInstance> object_instance(
            ObjectInstanceFactory::create(
                object_instance_name.c_str(),
                ParamArray(),
                object->get_name(),
                Transformd::identity(),
                StringDictionary()));

        m_parent_item->add_item(object_instance.get());

        m_parent.object_instances().insert(object_instance);
    }

    if (!mesh_objects.empty())
    {
        m_parent.bump_version_id();
        m_editor_context.m_project_builder.slot_notify_project_modification();
    }
}