mod_form.php

<?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/>.

/**
 * Typorepo module edit form.
 *
 * @package   mod_typorepo
 * @copyright 2020 bdecent gmbh <https://bdecent.de>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

use mod_typorepo\typo3;

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

require_once($CFG->dirroot.'/course/moodleform_mod.php');

/**
 * Module instance edit form.
 */
class mod_typorepo_mod_form extends moodleform_mod {

    /**
     * Define form elements.
     *
     * @throws coding_exception
     * @throws dml_exception
     */
    protected function definition() {
        global $PAGE;
        $mform =& $this->_form;
        $typorepourl = get_config('typorepo', 'url');
        $typorepopageurl = get_config('typorepo', 'pageurl');
        if ($typorepopageurl && $typorepourl) {
            $mform->addElement('hidden', 'url');
            $mform->setType('url', PARAM_URL);
            $typo3url = typo3::build_url(optional_param('course', '', PARAM_INT), optional_param('update', '', PARAM_INT));

            $iframe = \html_writer::tag('iframe', '', [
                'src' => $typo3url,
                'frameborder' => 0,
                'scrolling' => get_config('typorepo', 'scrolling'),
                'width' => get_config('typorepo', 'width'),
                'height' => get_config('typorepo', 'height'),
                'class' => 'typo-embed',
                'id' => 'typorepo-load-iframe'
            ]);
            $mform->addElement('html', $iframe);

            $mform->addElement('text', 'name', get_string('name'), ['size' => '64']);
            $mform->setType('name', PARAM_TEXT);

            $mform->addElement('advcheckbox', 'label_mode', get_string('embedincourse', 'typorepo'));
            $mform->setType('label_mode', PARAM_INT);
            $mform->addHelpButton('label_mode', 'embedincourse', 'typorepo');

            $woptions = [
                'newwindow' => get_string('newwindow', 'typorepo'),
                'iframe' => get_string('iframe', 'typorepo')
            ];
            $mform->addElement('select', 'options', get_string('displaysettings', 'typorepo'), $woptions);
            $mform->disabledIf('options', 'label_mode', 'checked');

            $this->standard_intro_elements();

            $features = [
                'groups' => false,
                'groupings' => false,
                'groupmembersonly' => false,
                'outcomes' => false,
                'gradecat' => false,
                'idnumber' => true
            ];
            $this->standard_coursemodule_elements($features);

            $this->add_action_buttons();
        } else {
            $infourl = new moodle_url('/admin/settings.php', array('section' => 'modsettingtyporepo'));
            $infolink = html_writer::link($infourl, get_string('setuphere', 'mod_typorepo'));
            $message = get_string('errorurlredirect', 'mod_typorepo', $infolink);
            $redirecturl = new moodle_url("/course/view.php", array('id' => $PAGE->course->id));
            redirect($redirecturl, $message);
        }
    }
}