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); if ($subq->qtype->name() == 'shortanswer') { $matchinganswer = $subq->get_matching_answer(array('answer' => $response)); } else if ($subq->qtype->name() == 'numerical') { list($value, $unit, $multiplier) = $subq->ap->apply_units($response, ''); $matchinganswer = $subq->get_matching_answer($value, 1); } else { $matchinganswer = $subq->get_matching_answer($response); } if (!$matchinganswer) { if (is_null($response) || $response === '') { $matchinganswer = new question_answer(0, '', null, '', FORMAT_HTML); } else { $matchinganswer = new question_answer(0, '', 0.0, '', FORMAT_HTML); } } // Work out a good input field size. $size = max(1, strlen(trim($response)) + 1); foreach ($subq->answers as $ans) { $size = max($size, strlen(trim($ans->answer))); } $size = min(60, round($size + rand(0, $size*0.15))); // The rand bit is to make guessing harder. $inputattributes = array( 'type' => 'text', 'name' => $qa->get_qt_field_name($fieldname), 'value' => $response, 'id' => $qa->get_qt_field_name($fieldname), 'size' => $size, ); if ($options->readonly) { $inputattributes['readonly'] = 'readonly'; } $feedbackimg = ''; if ($options->correctness) { $inputattributes['class'] = $this->feedback_class($matchinganswer->fraction); $feedbackimg = $this->feedback_image($matchinganswer->fraction); } if ($subq->qtype->name() == 'shortanswer') { $correctanswer = $subq->get_matching_answer($subq->get_correct_response()); } else { $correctanswer = $subq->get_correct_answer(); } $feedbackpopup = $this->feedback_popup($subq, $matchinganswer->fraction, $subq->format_text($matchinganswer->feedback, $matchinganswer->feedbackformat, $qa, 'question', 'answerfeedback', $matchinganswer->id), s($correctanswer->answer), $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 .= html_writer::empty_tag('input', $inputattributes); $output .= $feedbackimg; $output .= $feedbackpopup; $output .= html_writer::end_tag('span'); return $output; }