local_webhooks/classes/service_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/>.

/**
 * Defines forms.
 *
 * @package   local_webhooks
 * @copyright 2017 "Valentin Popov" <info@valentineus.link>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

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

/**
 * Description of the form of restoration.
 *
 * @copyright 2017 "Valentin Popov" <info@valentineus.link>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class service_backup_form extends moodleform {
    /**
     * Defines the standard structure of the form.
     *
     * @throws \coding_exception
     */
    protected function definition() {
        $mform =& $this->_form;

        /* Form heading */
        $mform->addElement('header', 'editserviceheader', new lang_string('restore', 'moodle'));

        /* Download the file */
        $mform->addElement('filepicker', 'backupfile', new lang_string('file', 'moodle'));
        $mform->addRule('backupfile', null, 'required');

        /* Control Panel */
        $this->add_action_buttons(true, new lang_string('restore', 'moodle'));
    }
}