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    backup-convert

 * @subpackage cc-library

 * @copyright  2012 Darko Miletic <dmiletic@moodlerooms.com>

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

 */

require_once('cc_converters.php');

require_once('cc_general.php');

require_once('cc_asssesment.php');

require_once('cc_assesment_truefalse.php');

require_once('cc_assesment_essay.php');

require_once('cc_assesment_sfib.php');

class cc_converter_quiz extends cc_converter {

    public function __construct(cc_i_item &$item, cc_i_manifest &$manifest, $rootpath, $path) {

        $this->cc_type     = cc_version11::assessment;

        $this->defaultfile = 'quiz.xml';

        $this->defaultname = assesment11_resurce_file::deafultname;

        parent::__construct($item, $manifest, $rootpath, $path);

    }

    public function convert($outdir) {

        $rt = new assesment11_resurce_file();

        $title = $this->doc->nodeValue('/activity/quiz/name');

        $rt->set_title($title);

        // Metadata.

        $metadata = new cc_assesment_metadata();

        $rt->set_metadata($metadata);

        $metadata->enable_feedback();

        $metadata->enable_hints();

        $metadata->enable_solutions();

        // Attempts.

        $max_attempts = (int)$this->doc->nodeValue('/activity/quiz/attempts_number');

        if ($max_attempts > 0) {

            // Qti does not support number of specific attempts bigger than 5 (??)

            if ($max_attempts > 5) {

                $max_attempts = cc_qti_values::unlimited;

            }

            $metadata->set_maxattempts($max_attempts);

        }

        // Time limit must be converted into minutes.

        $timelimit = (int)floor((int)$this->doc->nodeValue('/activity/quiz/timelimit') / 60);

        if ($timelimit > 0) {

            $metadata->set_timelimit($timelimit);

            $metadata->enable_latesubmissions(false);

        }

        $contextid = $this->doc->nodeValue('/activity/@contextid');

        $result = cc_helpers::process_linked_files( $this->doc->nodeValue('/activity/quiz/intro'),

                                                    $this->manifest,

                                                    $this->rootpath,

                                                    $contextid,

                                                    $outdir);

        cc_assesment_helper::add_assesment_description($rt, $result[0], cc_qti_values::htmltype);

        // Section.

        $section = new cc_assesment_section();

        $rt->set_section($section);

        // Process the actual questions.

        $ndeps = cc_assesment_helper::process_questions($this->doc,

                                                        $this->manifest,

                                                        $section,

                                                        $this->rootpath,

                                                        $contextid,

                                                        $outdir);

        if ($ndeps === false) {

            // No exportable questions in quiz or quiz has no questions

            // so just skip it.

            return true;

        }

        // Store any additional dependencies.

        $deps = array_merge($result[1], $ndeps);

        // Store everything.

        $this->store($rt, $outdir, $title, $deps);

        return true;

    }

}