<@20> <$ifbreak(csrf_check())> <$ifbreak(!v.allow_edit)> <$(action_return, data) = v.load_exif_files( Form.folder )> <$ifset_status(action_return ne '0', 404)> <$v.action_is_main=1> <$v.frame_skeleton=''> <$set_content_type('application/json')> <@data>