function getUnregisteredGalleys($context)
{
// Retrieve all galleys that have not yet been registered.
$galleyDao = DAORegistry::getDAO('ArticleGalleyDAO');
/* @var $galleyDao ArticleGalleyDAO */
$galleys = $galleyDao->getExportable($this->getPubIdType(), $context ? $context->getId() : null, null, null, null, $this->getPluginSettingsPrefix() . '::' . DOI_EXPORT_REGISTERED_DOI, null, null);
return $galleys->toArray();
}