settings.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/>.

/**
 * coursecompleted access plugin settings and presets.
 *
 * @package   enrol_coursecompleted
 * @copyright 2017 eWallah (www.eWallah.net)
 * @author    Renaat Debleu <info@eWallah.net>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

if ($ADMIN->fulltree) {
    // General settings.
    $settings->add(new admin_setting_heading(
        'enrol_coursecompleted_settings',
        '',
        get_string('pluginname_desc', 'enrol_coursecompleted')
    ));
    // Enrol instance defaults.
    $settings->add(new admin_setting_heading(
        'enrol_coursecompleted_defaults',
        get_string('enrolinstancedefaults', 'admin'),
        get_string('enrolinstancedefaults_desc', 'admin')
    ));
    $settings->add(new admin_setting_configcheckbox(
        'enrol_coursecompleted/defaultenrol',
        get_string('defaultenrol', 'enrol'),
        get_string('defaultenrol_desc', 'enrol'),
        0
    ));

    if (!during_initial_install()) {
        $options = [
            ENROL_EXT_REMOVED_KEEP => get_string('extremovedkeep', 'enrol'),
            ENROL_EXT_REMOVED_SUSPENDNOROLES => get_string('extremovedsuspendnoroles', 'enrol'),
            ENROL_EXT_REMOVED_UNENROL => get_string('extremovedunenrol', 'enrol'),
        ];
        $settings->add(new admin_setting_configselect(
            'enrol_coursecompleted/expiredaction',
            get_string('expiredaction', 'enrol_fee'),
            get_string('expiredaction_help', 'enrol_fee'),
            ENROL_EXT_REMOVED_SUSPENDNOROLES,
            $options
        ));

        $options = get_default_enrol_roles(context_system::instance());
        $student = get_archetype_roles('student');
        $student = reset($student);
        $settings->add(new admin_setting_configselect(
            'enrol_coursecompleted/roleid',
            get_string('defaultrole', 'enrol_coursecompleted'),
            get_string('defaultrole_desc', 'enrol_coursecompleted'),
            $student->id,
            $options
        ));
    }
    $settings->add(new admin_setting_configduration(
        'enrol_coursecompleted/enrolperiod',
        get_string('enrolperiod', 'enrol_fee'),
        get_string('enrolperiod_desc', 'enrol_fee'),
        0
    ));
    $settings->add(new admin_setting_configcheckbox(
        'enrol_coursecompleted/welcome',
        get_string('welcome', 'enrol_coursecompleted'),
        get_string('welcome_help', 'enrol_coursecompleted'),
        1
    ));

    $settings->add(new admin_setting_configcheckbox(
        'enrol_coursecompleted/svglearnpath',
        get_string('svglearnpath', 'enrol_coursecompleted'),
        get_string('svglearnpath_help', 'enrol_coursecompleted'),
        1
    ));
    $settings->add(new admin_setting_configcheckbox(
        'enrol_coursecompleted/keepgroup',
        get_string('keepgroup', 'enrol_coursecompleted'),
        get_string('keepgroup_help', 'enrol_coursecompleted'),
        1
    ));
}