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/>.

/**

 * Front-end class.

 *

 * @package availability_completion

 * @copyright 2014 The Open University

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

 */

namespace availability_completion;

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

/**

 * Front-end class.

 *

 * @package availability_completion

 * @copyright 2014 The Open University

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

 */

class frontend extends \core_availability\frontend {

    /**

     * @var array Cached init parameters

     */

    protected $cacheinitparams = [];

    /**

     * @var string IDs of course, cm, and section for cache (if any)

     */

    protected $cachekey = '';

    protected function get_javascript_strings() {

        return ['option_complete', 'option_fail', 'option_incomplete', 'option_pass',

                        'label_cm', 'label_completion'];

    }

    protected function get_javascript_init_params($course, \cm_info $cm = null,

            \section_info $section = null) {

        // Use cached result if available. The cache is just because we call it

        // twice (once from allow_add) so it's nice to avoid doing all the

        // print_string calls twice.

        $cachekey = $course->id . ',' . ($cm ? $cm->id : '') . ($section ? $section->id : '');

        if ($cachekey !== $this->cachekey) {

            // Get list of activities on course which have completion values,

            // to fill the dropdown.

            $context = \context_course::instance($course->id);

            $cms = [];

            $modinfo = get_fast_modinfo($course);

            $previouscm = false;

            foreach ($modinfo->cms as $id => $othercm) {

                // Add each course-module if it has completion turned on and is not

                // the one currently being edited.

                if ($othercm->completion && (empty($cm) || $cm->id != $id) && !$othercm->deletioninprogress) {

                    $cms[] = (object)['id' => $id,

                        'name' => format_string($othercm->name, true, ['context' => $context]),

                        'completiongradeitemnumber' => $othercm->completiongradeitemnumber];

                }

                if (count($cms) && (empty($cm) || $cm->id == $id)) {

                    $previouscm = true;

                }

            }

            if ($previouscm) {

                $previous = (object)['id' => \availability_completion\condition::OPTION_PREVIOUS,

                        'name' => get_string('option_previous', 'availability_completion'),

                        'completiongradeitemnumber' => \availability_completion\condition::OPTION_PREVIOUS];

                array_unshift($cms, $previous);

            }

            $this->cachekey = $cachekey;

            $this->cacheinitparams = [$cms];

        }

        return $this->cacheinitparams;

    }

    protected function allow_add($course, \cm_info $cm = null,

            \section_info $section = null) {

        global $CFG;

        // Check if completion is enabled for the course.

        require_once($CFG->libdir . '/completionlib.php');

        $info = new \completion_info($course);

        if (!$info->is_enabled()) {

            return false;

        }

        // Check if there's at least one other module with completion info.

        $params = $this->get_javascript_init_params($course, $cm, $section);

        return ((array)$params[0]) != false;

    }

}