/**
* @return form_ListService
*/
public static function getInstance()
{
if (self::$instance === null) {
self::$instance = self::getServiceClassInstance(get_class());
}
return self::$instance;
}
/**
* @param form_persistentdocument_recipientGroupList $document
* @param Integer $parentNodeId Parent node ID where to save the document (optionnal => can be null !).
* @return void
*/
protected function preSave($document, $parentNodeId = null)
{
$document->setFieldName(form_FormService::RECIPIENT_GROUP_FIELD_NAME);
$document->setDataSource(list_ListService::getInstance()->getDocumentInstanceByListId('modules_form/recipientgrouplist'));
$document->setRequired(true);
parent::preSave($document, $parentNodeId);
}
/**
* @return form_persistentdocument_list
*/
protected function initPersistentDocument()
{
return form_ListService::getInstance()->getNewDocumentInstance();
}