view_.list_by_type<ViewItem>());
copy(view_items.begin(), view_items.end(), back_inserter(items));
const vector< shared_ptr<TimeItem> > time_items(view_.time_items());
view_.list_by_type<ViewItem>());
copy(view_items.begin(), view_items.end(), back_inserter(items));
const vector< shared_ptr<TimeItem> > time_items(view_.time_items());