public function controls(question_attempt $qa, question_display_options $options)
{
$question = $qa->get_question();
$output = parent::controls($qa, $options);
// Submit button.
$penalty = $question->penalty;
if ($penalty != 0) {
$output .= $this->button_cost('withpossiblepenalty', $penalty, $options);
}
$output .= html_writer::empty_tag('br');
// Render buttons that should be rendered by behaviour.
foreach ($question->hints_available_for_student() as $hintkey) {
$behaviour = $qa->get_behaviour();
$hintkey = $behaviour->adjust_hintkey($hintkey);
$hintobj = $question->hint_object($hintkey);
if (!$hintobj->button_rendered_by_question()) {
// Button(s) isn't rendered by the question, so behaviour must render it.
// Check whether button should be rendered at all.
$laststep = $qa->get_last_step();
if ($hintobj->hint_response_based()) {
$showhintbtn = $laststep->has_behaviour_var('_resp_hintbtns');
} else {
$showhintbtn = $laststep->has_behaviour_var('_nonresp_hintbtns');
}
// Hide hint button if such hint buttons should not shown at all or hint unavailable or hint already rendered.
if (!$showhintbtn || !$hintobj->hint_available() || $laststep->has_behaviour_var('_render_' . $hintkey) && $hintobj->hint_type() !== qtype_poasquestion\hint::SEQENTIAL_MULTIPLE_INSTANCE_HINT) {
// Should not pass $response to hint_available, since response could be changed in adaptive.
continue;
}
$output .= $this->render_hint_button($qa, $options, $hintobj);
$output .= html_writer::empty_tag('br');
}
}
return $output;
}
public function feedback(question_attempt $qa, question_display_options $options)
{
if ($qa->get_last_behaviour_var('_precheck', 0)) {
return '';
} else {
return parent::feedback($qa, $options);
}
}
