/**
* Get the feedback to be displayed on an AssessmentItemSession
*
* @param tao_models_classes_service_StorageDirectory $directory
* @param \qtism\runtime\tests\AssessmentItemSession $itemSession
* @return array
*/
public static function getFeedbacks(tao_models_classes_service_StorageDirectory $directory, AssessmentItemSession $itemSession)
{
$returnValue = array();
$feedbackClasses = array('modalFeedback', 'feedbackInline', 'feedbackBlock');
$elements = self::getContentVariableElements($directory);
$outcomes = array();
foreach ($elements as $data) {
if (empty($data['qtiClass']) === false && in_array($data['qtiClass'], $feedbackClasses)) {
$feedbackIdentifier = $data['attributes']['identifier'];
$outcomeIdentifier = $data['attributes']['outcomeIdentifier'];
if (!isset($outcomes[$outcomeIdentifier])) {
$outcomes[$outcomeIdentifier] = array();
}
$outcomes[$outcomeIdentifier][$feedbackIdentifier] = $data;
}
}
foreach ($itemSession->getAllVariables() as $var) {
$identifier = $var->getIdentifier();
if (isset($outcomes[$identifier])) {
$feedbacks = $outcomes[$identifier];
$feedbackIds = QtiRunner::getVariableValues($var);
foreach ($feedbackIds as $feedbackId) {
if (isset($feedbacks[$feedbackId])) {
$data = $feedbacks[$feedbackId];
$returnValue[$data['serial']] = $data;
}
}
}
}
return $returnValue;
}
