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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package qtype_algebra
* @copyright Roger Moore <rwmoore@ualberta.ca>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Algebra question type conversion handler.
*/
class moodle1_qtype_algebra_handler extends moodle1_qtype_handler {
/**
* @return array
*/
public function get_question_subpaths() {
return array(
'ANSWERS/ANSWER',
'ALGEBRA',
'ALGEBRA/VARLIST/VARIABLE'
);
}
/**
* Appends the algebra specific information to the question
*/
public function process_question(array $data, array $raw) {
// Convert and write the answers first.
if (isset($data['answers'])) {
$this->write_answers($data['answers'], $this->pluginname);
}
// Convert and write the algebra variables.
if (isset($data['algebra'][0]['varlist']['variable'])) {
$variables = $data['algebra'][0]['varlist']['variable'];
} else {
$variables = array();
}
$this->xmlwriter->begin_tag('algebra_variables');
foreach ($variables as $variable) {
$this->xmlwriter->begin_tag('algebra_variable', array('id' => $this->converter->get_nextid()));
$this->xmlwriter->full_tag('name', $variable['name']);
$this->xmlwriter->full_tag('min', $variable['min']);
$this->xmlwriter->full_tag('max', $variable['max']);
$this->xmlwriter->end_tag('algebra_variable');
}
$this->xmlwriter->end_tag('algebra_variables');
// And finally the algebra options.
$options = $data['algebra'][0];
$this->xmlwriter->begin_tag('algebra', array('id' => $this->converter->get_nextid()));
$this->xmlwriter->full_tag('compareby', $options['compareby']);
$this->xmlwriter->full_tag('nchecks', $options['nchecks']);
$this->xmlwriter->full_tag('tolerance', $options['tolerance']);
$this->xmlwriter->full_tag('disallow', $options['disallow']);
$this->xmlwriter->full_tag('allowedfuncs', $options['allowedfuncs']);
$this->xmlwriter->full_tag('answerprefix', $options['answerprefix']);
$this->xmlwriter->end_tag('algebra');
}
}
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