public function process_finish(question_attempt_pending_step $pendingstep)
{
$keep = parent::process_finish($pendingstep);
$fraction = $pendingstep->get_fraction();
if ($keep == question_attempt::KEEP && $fraction != null && $fraction != 1) {
$pendingstep->set_fraction(0);
$pendingstep->set_state(question_state::$gradedwrong);
}
return $keep;
}
public function summarise_action(question_attempt_step $step) {
$summary = parent::summarise_action($step);
if ($step->has_behaviour_var('certainty')) {
$summary = question_cbm::summary_with_certainty($summary,
$step->get_behaviour_var('certainty'));
}
return $summary;
}