public function process_action(question_attempt_pending_step $pendingstep)
{
if ($pendingstep->has_behaviour_var('helpme')) {
return $this->process_helpme($pendingstep);
} else {
return parent::process_action($pendingstep);
}
}
public function process_action(question_attempt_pending_step $pendingstep)
{
if ($pendingstep->has_behaviour_var('precheck')) {
return $this->process_submit($pendingstep, PRECHECK);
} else {
return parent::process_action($pendingstep);
}
}
public function process_action(question_attempt_pending_step $pendingstep) {
if ($pendingstep->has_behaviour_var('comment')) {
return $this->process_comment($pendingstep);
} else if ($pendingstep->has_behaviour_var('finish')) {
return $this->process_finish($pendingstep);
} else {
return $this->process_save($pendingstep);
}
}
public function process_comment(question_attempt_pending_step $pendingstep)
{
if ($pendingstep->has_behaviour_var('mark')) {
throw new coding_exception('Information items cannot be graded.');
}
return parent::process_comment($pendingstep);
}
public function process_action(question_attempt_pending_step $pendingstep)
{
if ($pendingstep->has_behaviour_var('finish')) {
return $this->process_finish($pendingstep);
}
if ($this->is_try_again_state()) {
if ($pendingstep->has_behaviour_var('tryagain')) {
return $this->process_try_again($pendingstep);
} else {
return question_attempt::DISCARD;
}
} else {
if ($pendingstep->has_behaviour_var('comment')) {
return $this->process_comment($pendingstep);
} else {
if ($pendingstep->has_behaviour_var('submit')) {
return $this->process_submit($pendingstep);
} else {
return $this->process_save($pendingstep);
}
}
}
}
public function process_submit(question_attempt_pending_step $pendingstep) {
if ($this->qa->get_state()->is_finished()) {
return question_attempt::DISCARD;
}
if (!$this->qa->get_question()->is_gradable_response($pendingstep->get_qt_data()) ||
!$pendingstep->has_behaviour_var('certainty')) {
$pendingstep->set_state(question_state::$invalid);
return question_attempt::KEEP;
}
return $this->do_grading($pendingstep, $pendingstep);
}
public function process_action(question_attempt_pending_step $pendingstep)
{
$result = null;
// Process hint button press.
foreach ($this->question->hints_available_for_student($pendingstep->get_qt_data()) as $hintkey) {
$hintkey = $this->adjust_hintkey($hintkey);
if ($pendingstep->has_behaviour_var($hintkey . 'btn')) {
$result = $this->process_hint($pendingstep, $hintkey);
}
}
// Proces all actions.
if ($result === null) {
$result = parent::process_action($pendingstep);
}
// Compute variables to show question it should render it's hint buttons.
if (!$this->qa->get_state()->is_finished()) {
$pendingstep->set_behaviour_var('_nonresp_hintbtns', true);
$response = $pendingstep->get_qt_data();
if ($this->question->is_complete_response($response)) {
$pendingstep->set_behaviour_var('_resp_hintbtns', true);
}
}
return $result;
}
