public function saveStudentList($con = null)
{
if (!$this->isValid()) {
throw $this->getErrorSchema();
}
$st_list_w = $this->getWidget('student_list');
if (!isset($st_list_w)) {
// somebody has unset this widget
return;
}
if (is_null($con)) {
$con = $this->getConnection();
}
$con->beginTransaction();
try {
$this->getObject()->deleteStudents($con);
$values = $this->getValue('student_list');
if (is_array($values)) {
foreach ($values as $value) {
$student_tutor = new StudentTutor();
$student_tutor->setTutor($this->getObject());
$student_tutor->setStudentId($value);
$student_tutor->save($con);
}
}
$con->commit();
} catch (Exception $e) {
$con->rollBack();
}
}
