editquizsettings_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/>.

/**
 * Settings form for the editquizsettings report.
 *
 * @package    quiz_editquizsettings
 * @copyright  2012 The Open University
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
require_once($CFG->dirroot . '/lib/formslib.php');

/**
 * Settings form for the editquizsettings report.
 *
 * @copyright  2012 The Open University
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class quiz_report_editquizsettings_form extends moodleform {
    /**
     * Define the form.
     */
    protected function definition() {
        global $CFG;
        $mform = $this->_form;
        $this->_form->updateAttributes(['id' => 'quiz_editquizsettings_form']);

        $mform->addElement(
            'header',
            'heading',
            get_string('editquizsettings', 'quiz_editquizsettings')
        );

        $mform->addElement(
            'static',
            'quiznamestr',
            get_string('name', 'quiz_editquizsettings'),
            html_writer::tag(
                'strong',
                $this->_customdata['quizname']
            )
        );
        $mform->addElement(
            'static',
            'idnumberstr',
            get_string('idnumber', 'quiz_editquizsettings'),
            html_writer::tag(
                'strong',
                $this->_customdata['idnumber']
            )
        );

        $mform->addElement(
            'header',
            'timing',
            get_string(
                'timing',
                'quiz'
            )
        );

        // Open and close dates.
        $mform->addElement(
            'date_time_selector',
            'timeopen',
            get_string(
                'quizopen',
                'quiz'
            ),
            ['optional' => true, 'step' => 1]
        );
        $mform->addHelpButton(
            'timeopen',
            'quizopenclose',
            'quiz'
        );

        $mform->addElement(
            'date_time_selector',
            'timeclose',
            get_string(
                'quizclose',
                'quiz'
            ),
            ['optional' => true, 'step' => 1]
        );

        $this->add_action_buttons(
            true,
            get_string(
                'savechanges',
                'quiz_editquizsettings'
            ),
            false
        );
    }

    #[\Override]
    public function validation($data, $files) {
        $errors = parent::validation($data, $files);

        // Check open and close times are consistent.
        if (
            $data['timeopen'] != 0 && $data['timeclose'] != 0 &&
            $data['timeclose'] < $data['timeopen']
        ) {
            $errors['timeclose'] = get_string('closebeforeopen', 'quiz');
        }
        return $errors;
    }
}