settings.php

<?php
// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.

/**
 * Plugin administration pages are defined here.
 *
 * @package     local_autocompleteactivities
 * @category    admin
 * @copyright   2022 Universtity of Stuttgart <dirk.vaeth@ims.uni-stuttgart.de>
 * @license     https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

/**
 * Settings for the 'block_chatbot' component.
 */

defined('MOODLE_INTERNAL') || die;

if ($hassiteconfig) {
    $ADMIN->add('localplugins', new admin_category('local_autocompleteactivities_settings', get_string('settings_header', 'local_autocompleteactivities')));
    $settingspage = new admin_settingpage('managelocalautocompleteactivities', get_string('settingspage', 'local_autocompleteactivities'));
    if ($ADMIN->fulltree) {


        /*
        * Properties
        */

        // Course configuration: which courses should the plugin be active for.
        $courses = get_courses("all", "c.sortorder ASC", "c.id,c.fullname");
        $courselist = array();
        // Get list of all courses and add those to the offered selection.
        foreach ($courses as $course) {
            $courselist[$course->id] = $course->fullname;
        }
        $settingspage->add(new admin_setting_configmulticheckbox(
            'local_autocompleteactivities/courseids',
            get_string('courses', 'local_autocompleteactivities'),
            get_string('courses_description', 'local_autocompleteactivities'),
            null,
            $courselist));

        // Prefix match pattern.
        $settingspage->add(new admin_setting_configtext('local_autocompleteactivities/matchingprefix',
                                                        get_string('matching_prefix', "local_autocompleteactivities"),
                                                        get_string('matching_prefix_description', "local_autocompleteactivities"),
                                                        '/(.*)[(]/U', PARAM_RAW));

        // Additional matching texts.
        $settingspage->add(new admin_setting_configtext('local_autocompleteactivities/labelmatches',
                                                        get_string('matching_label', "local_autocompleteactivities"),
                                                        get_string('matching_label_description', "local_autocompleteactivities"),
                                                        "kann ich schon",
                                                        PARAM_TEXT));

        // Whitelist of course module types.
        $settingspage->add(new admin_setting_configtext('local_autocompleteactivities/modulenames',
                                                get_string('matching_module_whitelist', "local_autocompleteactivities"),
                                                get_string('matching_module_whitelist_description', "local_autocompleteactivities"),
                                                "book,resource,label,url",
                                                PARAM_TEXT));

    }

    $ADMIN->add('localplugins', $settingspage);

}