protected function is_same_response(question_attempt_step $pendingstep)
{
if (!parent::is_same_response($pendingstep)) {
return false;
}
// If the question part of the response is exactly the same, then
// we need to check if the previous action was a save, and this action
// is a submit.
if ($pendingstep->has_behaviour_var('submit') && !$this->qa->get_last_step()->has_behaviour_var('submit')) {
return false;
}
return true;
}
protected function adaptive_mark_details_from_step(question_attempt_step $gradedstep, question_state $state, $maxmark, $penalty)
{
if (!isset($this->question->penaltyregime) || $this->question->penaltyregime === '') {
$details = parent::adaptive_mark_details_from_step($gradedstep, $state, $maxmark, $penalty);
} else {
$prevtries = $this->qa->get_last_behaviour_var('_try', 0);
$fract = $this->adjusted_fraction(1.0, $prevtries);
$details = new qbehaviour_adaptive_mark_details($state);
$details->maxmark = $maxmark;
$details->actualmark = $gradedstep->get_fraction() * $details->maxmark;
$details->rawmark = $gradedstep->get_behaviour_var('_rawfraction') * $details->maxmark;
$details->totalpenalty = 1.0 - $fract;
$details->currentpenalty = $details->totalpenalty * $details->maxmark;
$details->improvable = $this->is_state_improvable($gradedstep->get_state());
}
return $details;
}
public function summarise_action(question_attempt_step $step)
{
if ($step->has_behaviour_var('helpme')) {
return $this->summarise_helpme($step);
} else {
return parent::summarise_action($step);
}
}
public function process_finish(question_attempt_pending_step $pendingstep)
{
// Must find out prevbest before parent function get in it's fraction.
$prevbest = $this->qa->get_fraction();
if (is_null($prevbest)) {
$prevbest = 0;
}
$status = parent::process_finish($pendingstep);
if ($pendingstep->get_state() != question_state::$gaveup) {
// State was graded.
$laststep = $this->qa->get_last_step();
$total = $this->qa->get_last_behaviour_var('_totalpenalties', 0);
if (!$laststep->has_behaviour_var('_try')) {
// Submitting ( not previous grading) resulted in finishing, so need to apply penalty.
$total += $this->question->penalty;
$pendingstep->set_behaviour_var('_penalty', $this->question->penalty);
}
$pendingstep->set_behaviour_var('_totalpenalties', $total);
// Must substract by one submission penalty less , to account for one lawful submission.
$pendingstep->set_fraction(max($prevbest, $this->adjusted_fraction($pendingstep->get_behaviour_var('_rawfraction'), $total - $this->question->penalty)));
}
return question_attempt::KEEP;
}