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/>.

/**

 * Contains class mod_h5pactivity\output\result\choice

 *

 * @package   mod_h5pactivity

 * @copyright 2020 Ferran Recio

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

 */

namespace mod_h5pactivity\output\result;

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

use mod_h5pactivity\output\result;

use renderer_base;

/**

 * Class to display H5P choice result.

 *

 * @copyright 2020 Ferran Recio

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

 */

class choice extends result {

    /**

     * Return the options data structure.

     *

     * @return array of options

     */

    protected function export_options(): ?array {

        // Suppose H5P choices have only a single list of valid answers.

        $correctpattern = reset($this->correctpattern);

        if (empty($correctpattern)) {

            $correctpattern = [];

        }

        $additionals = $this->additionals;

        // H5P has a special extension for long choices.

        $extensions = (array) $additionals->extensions ?? [];

        $filter = isset($extensions['https://h5p.org/x-api/line-breaks']) ? true : false;

        if (isset($additionals->choices)) {

            $options = $this->get_descriptions($additionals->choices);

        } else {

            $options = [];

        }

        // Some H5P activities like Find the Words don't user the standard CMI format delimiter

        // and don't use propper choice additionals. In those cases the report needs to fix this

        // using the correct pattern as choices and using a non standard delimiter.

        if (empty($options)) {

            if (count($correctpattern) == 1) {

                $correctpattern = explode(',', reset($correctpattern));

            }

            foreach ($correctpattern as $value) {

                $option = (object)[

                    'id' => $value,

                    'description' => $value,

                ];

                $options[$value] = $option;

            }

        }

        foreach ($options as $key => $value) {

            $correctstate = (in_array($key, $correctpattern)) ? parent::CHECKED : parent::UNCHECKED;

            if (in_array($key, $this->response)) {

                $answerstate = ($correctstate == parent::CHECKED) ? parent::PASS : parent::FAIL;

                // In some cases, like Branching scenario H5P activity, no correct Pattern is provided

                // so any answer is just a check.

                if (empty($correctpattern)) {

                    $answerstate = parent::CHECKED;

                }

                $value->useranswer = $this->get_answer($answerstate);

            }

            $value->correctanswer = $this->get_answer($correctstate);

            if ($filter && $correctstate == parent::UNCHECKED && !isset($value->useranswer)) {

                unset($options[$key]);

            }

        }

        return $options;

    }

}