public function subquestion(question_attempt $qa, question_display_options $options,
$index, question_graded_automatically $subq) {
$fieldprefix = 'sub' . $index . '_';
$fieldname = $fieldprefix . 'answer';
$response = $qa->get_last_qt_var($fieldname);
$choices = array();
$matchinganswer = new question_answer(0, '', null, '', FORMAT_HTML);
$rightanswer = null;
foreach ($subq->get_order($qa) as $value => $ansid) {
$ans = $subq->answers[$ansid];
$choices[$value] = $subq->format_text($ans->answer, $ans->answerformat,
$qa, 'question', 'answer', $ansid);
if ($subq->is_choice_selected($response, $value)) {
$matchinganswer = $ans;
}
}
$inputattributes = array(
'id' => $qa->get_qt_field_name($fieldname),
);
if ($options->readonly) {
$inputattributes['disabled'] = 'disabled';
}
$feedbackimg = '';
if ($options->correctness) {
$inputattributes['class'] = $this->feedback_class($matchinganswer->fraction);
$feedbackimg = $this->feedback_image($matchinganswer->fraction);
}
$select = html_writer::select($choices, $qa->get_qt_field_name($fieldname),
$response, array('' => ''), $inputattributes);
$order = $subq->get_order($qa);
$correctresponses = $subq->get_correct_response();
$rightanswer = $subq->answers[$order[reset($correctresponses)]];
if (!$matchinganswer) {
$matchinganswer = new question_answer(0, '', null, '', FORMAT_HTML);
}
$feedbackpopup = $this->feedback_popup($subq, $matchinganswer->fraction,
$subq->format_text($matchinganswer->feedback, $matchinganswer->feedbackformat,
$qa, 'question', 'answerfeedback', $matchinganswer->id),
$subq->format_text($rightanswer->answer, $rightanswer->answerformat,
$qa, 'question', 'answer', $rightanswer->id), $options);
$output = html_writer::start_tag('span', array('class' => 'subquestion'));
$output .= html_writer::tag('label', get_string('answer'),
array('class' => 'subq accesshide', 'for' => $inputattributes['id']));
$output .= $select;
$output .= $feedbackimg;
$output .= $feedbackpopup;
$output .= html_writer::end_tag('span');
return $output;
}
