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<?php declare(strict_types = 0);
/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program 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 Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/
namespace Zabbix\Widgets\Fields;
use Zabbix\Widgets\CWidgetField;
class CWidgetFieldReference extends CWidgetField {
public const DEFAULT_VALUE = '';
// This field name is reserved by Zabbix for this particular use case. See comments below.
public const FIELD_NAME = 'reference';
/**
* Reference widget field. If added to widget, will generate unique value across the dashboard
* and will be saved to database. This field should be used to save relations between widgets.
*/
public function __construct() {
/*
* All reference fields for all widgets on dashboard should share the same name.
* It is needed to make possible search if value is not taken by some other widget in same dashboard.
*/
parent::__construct(self::FIELD_NAME);
$this->setDefault(self::DEFAULT_VALUE);
}
public function validate(bool $strict = false): array {
$errors = parent::validate($strict);
if ($strict && $errors) {
$this->setValue('');
$errors = [];
}
return $errors;
}
}
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