/**
* fetches the "additional content editing mode" information from qti item
* and falls back to ADDITIONAL_CONTENT_EDITING_MODE_DEFAULT when no or invalid information is given
*
* @final
* @access protected
* @param type $qtiItem
* @return string $additionalContentEditingMode
*/
protected final function fetchAdditionalContentEditingModeInformation($qtiItem)
{
$additionalContentEditingMode = $qtiItem->getMetadataEntry('additional_cont_edit_mode');
if (!$this->object->isValidAdditionalContentEditingMode($additionalContentEditingMode)) {
$additionalContentEditingMode = assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_DEFAULT;
}
return $additionalContentEditingMode;
}
