+ def choose
+ params[:limit] ||= 20
+ @objects = Link.
+ filter([['link_class','=','name'],
+ ['head_uuid','is_a','arvados#collection']])
+ find_objects_for_index
+ @next_page_href = (next_page_offset and
+ url_for(offset: next_page_offset, partial: true))
+ @name_links = @objects
+ @objects = Collection.
+ filter([['uuid','in',@name_links.collect(&:head_uuid)]])
+ super
+ end
+