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/>.

/**
 * Defines site settings for the user grade forecast gradebook report
 *
 * @package    gradereport_forecast
 * @copyright  2016 Louisiana State University, Chad Mazilly, Robert Russo, Dave Elliott
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die;

if ($ADMIN->fulltree) {

    $settings->add(new admin_setting_configcheckbox(
            'grade_report_forecast_showlettergrade',
            get_string('showlettergrade', 'grades'),
            get_string('showlettergrade', 'grades'), 1));
    $settings->add(new admin_setting_configcheckbox(
            'grade_report_forecast_showgradepercentage',
            get_string('showpercentage', 'grades'),
            get_string('showpercentage_help', 'grades'), 1));
    $settings->add(new admin_setting_configselect('grade_report_forecast_rangedecimals', get_string('rangedecimals', 'grades'),
            get_string('rangedecimals_help', 'grades'), 0, array(0 => 0, 1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 5)));

    $options = array(0 => get_string('shownohidden', 'grades'),
                     1 => get_string('showhiddenuntilonly', 'grades'),
                     2 => get_string('showallhidden', 'grades'));
    $settings->add(new admin_setting_configselect(
            'grade_report_forecast_showhiddenitems',
            get_string('showhiddenitems', 'grades'),
            get_string('showhiddenitems_help', 'grades'), 1, $options));

    $settings->add(new admin_setting_configselect(
            'grade_report_forecast_showtotalsifcontainhidden',
            get_string('hidetotalifhiddenitems', 'grades'),
            get_string('hidetotalifhiddenitems_help', 'grades'),
            GRADE_REPORT_HIDE_TOTAL_IF_CONTAINS_HIDDEN,
            array(GRADE_REPORT_HIDE_TOTAL_IF_CONTAINS_HIDDEN => get_string('hide'),
                  GRADE_REPORT_SHOW_TOTAL_IF_CONTAINS_HIDDEN => get_string('hidetotalshowexhiddenitems', 'grades'),
                  GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN => get_string('hidetotalshowinchiddenitems', 'grades'))));

    $settings->add(new admin_setting_configcheckbox(
            'grade_report_forecast_enabledforstudents',
            get_string('enabled_for_students', 'gradereport_forecast'),
            get_string('enabled_for_students_desc', 'gradereport_forecast'), 1));

    $settings->add(new admin_setting_configcheckbox(
            'grade_report_forecast_mustmakeenabled',
            get_string('must_make_enabled', 'gradereport_forecast'),
            get_string('must_make_enabled_desc', 'gradereport_forecast'), 0));

    $settings->add(new admin_setting_configtext('grade_report_forecast_debouncewaittime',
            get_string('debounce_wait_time', 'gradereport_forecast'),
            get_string('debounce_wait_time_desc', 'gradereport_forecast'), '1000'));
}