.
/**
* Question type class for the select missing words question type.
*
* @package qtype_gapselect
* @copyright 2011 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir . '/questionlib.php');
require_once($CFG->dirroot . '/question/engine/lib.php');
require_once($CFG->dirroot . '/question/format/xml/format.php');
require_once($CFG->dirroot . '/question/type/gapselect/questiontypebase.php');
/**
* The select missing words question type class.
*
* @copyright 2011 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_gapselect extends qtype_gapselect_base {
protected function choice_options_to_feedback($choice) {
return $choice['choicegroup'];
}
protected function make_choice($choicedata) {
return new qtype_gapselect_choice($choicedata->answer, $choicedata->feedback);
}
protected function feedback_to_choice_options($feedback) {
return array('selectgroup' => $feedback);
}
protected function choice_group_key() {
return 'selectgroup';
}
public function import_from_xml($data, $question, qformat_xml $format, $extra=null) {
if (!isset($data['@']['type']) || $data['@']['type'] != 'gapselect') {
return false;
}
$question = $format->import_headers($data);
$question->qtype = 'gapselect';
$question->shuffleanswers = $format->trans_single(
$format->getpath($data, array('#', 'shuffleanswers', 0, '#'), 1));
if (!empty($data['#']['selectoption'])) {
// Modern XML format.
$selectoptions = $data['#']['selectoption'];
$question->answer = array();
$question->selectgroup = array();
foreach ($data['#']['selectoption'] as $selectoptionxml) {
$question->choices[] = array(
'answer' => $format->getpath($selectoptionxml,
array('#', 'text', 0, '#'), '', true),
'choicegroup' => $format->getpath($selectoptionxml,
array('#', 'group', 0, '#'), 1),
);
}
} else {
// Legacy format containing PHP serialisation.
foreach ($data['#']['answer'] as $answerxml) {
$ans = $format->import_answer($answerxml);
$question->choices[] = array(
'answer' => $ans->answer,
'choicegroup' => $ans->feedback,
);
}
}
$format->import_combined_feedback($question, $data, true);
$format->import_hints($question, $data, true, false,
$format->get_format($question->questiontextformat));
return $question;
}
public function export_to_xml($question, qformat_xml $format, $extra = null) {
$output = '';
$output .= ' ' . $question->options->shuffleanswers .
"\n";
$output .= $format->write_combined_feedback($question->options,
$question->id,
$question->contextid);
foreach ($question->options->answers as $answer) {
$output .= " \n";
$output .= $format->writetext($answer->answer, 3);
$output .= " {$answer->feedback}\n";
$output .= " \n";
}
return $output;
}
}