Proyectos de Subversion Moodle

<?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

 * @subpackage multichoice

 * @copyright  2011 David Mudrak <david@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

defined('MOODLE_INTERNAL') || die();

/**

 * Multichoice question type conversion handler

 */

class moodle1_qtype_multichoice_handler extends moodle1_qtype_handler {

    /**

     * @return array

     */

    public function get_question_subpaths() {

        return array(

            'ANSWERS/ANSWER',

            'MULTICHOICE',

        );

    }

    /**

     * Appends the multichoice 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 multichoice.

        if (!isset($data['multichoice'])) {

            // This should never happen, but it can do if the 1.9 site contained

            // corrupt data.

            $data['multichoice'] = array(array(

                'single'                         => 1,

                'shuffleanswers'                 => 1,

                'correctfeedback'                => '',

                'correctfeedbackformat'          => FORMAT_HTML,

                'partiallycorrectfeedback'       => '',

                'partiallycorrectfeedbackformat' => FORMAT_HTML,

                'incorrectfeedback'              => '',

                'incorrectfeedbackformat'        => FORMAT_HTML,

                'answernumbering'                => 'abc',

                'showstandardinstruction'        => 0

            ));

        }

        $this->write_multichoice($data['multichoice'], $data['oldquestiontextformat'], $data['id']);

    }

    /**

     * Converts the multichoice info and writes it into the question.xml

     *

     * @param array $multichoices the grouped structure

     * @param int $oldquestiontextformat - {@see moodle1_question_bank_handler::process_question()}

     * @param int $questionid question id

     */

    protected function write_multichoice(array $multichoices, $oldquestiontextformat, $questionid) {

        global $CFG;

        // The grouped array is supposed to have just one element - let us use foreach anyway

        // just to be sure we do not loose anything.

        foreach ($multichoices as $multichoice) {

            // Append an artificial 'id' attribute (is not included in moodle.xml).

            $multichoice['id'] = $this->converter->get_nextid();

            // Replay the upgrade step 2009021801.

            $multichoice['correctfeedbackformat']               = 0;

            $multichoice['partiallycorrectfeedbackformat']      = 0;

            $multichoice['incorrectfeedbackformat']             = 0;

            if ($CFG->texteditors !== 'textarea' and $oldquestiontextformat == FORMAT_MOODLE) {

                $multichoice['correctfeedback']                 = text_to_html($multichoice['correctfeedback'], false, false, true);

                $multichoice['correctfeedbackformat']           = FORMAT_HTML;

                $multichoice['partiallycorrectfeedback']        = text_to_html($multichoice['partiallycorrectfeedback'], false, false, true);

                $multichoice['partiallycorrectfeedbackformat']  = FORMAT_HTML;

                $multichoice['incorrectfeedback']               = text_to_html($multichoice['incorrectfeedback'], false, false, true);

                $multichoice['incorrectfeedbackformat']         = FORMAT_HTML;

            } else {

                $multichoice['correctfeedbackformat']           = $oldquestiontextformat;

                $multichoice['partiallycorrectfeedbackformat']  = $oldquestiontextformat;

                $multichoice['incorrectfeedbackformat']         = $oldquestiontextformat;

            }

            $multichoice['correctfeedback'] = $this->migrate_files(

                    $multichoice['correctfeedback'], 'question', 'correctfeedback', $questionid);

            $multichoice['partiallycorrectfeedback'] = $this->migrate_files(

                    $multichoice['partiallycorrectfeedback'], 'question', 'partiallycorrectfeedback', $questionid);

            $multichoice['incorrectfeedback'] = $this->migrate_files(

                    $multichoice['incorrectfeedback'], 'question', 'incorrectfeedback', $questionid);

            $this->write_xml('multichoice', $multichoice, array('/multichoice/id'));

        }

    }

}