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60 lines
1.9 KiB
60 lines
1.9 KiB
<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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namespace Zabbix\Widgets\Fields;
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use Zabbix\Widgets\CWidgetField;
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class CWidgetFieldReference extends CWidgetField {
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public const DEFAULT_VALUE = '';
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// This field name is reserved by Zabbix for this particular use case. See comments below.
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public const FIELD_NAME = 'reference';
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/**
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* Reference widget field. If added to widget, will generate unique value across the dashboard
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* and will be saved to database. This field should be used to save relations between widgets.
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*/
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public function __construct() {
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/*
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* All reference fields for all widgets on dashboard should share the same name.
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* It is needed to make possible search if value is not taken by some other widget in same dashboard.
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*/
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parent::__construct(self::FIELD_NAME);
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$this
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->setDefault(self::DEFAULT_VALUE)
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->setSaveType(ZBX_WIDGET_FIELD_TYPE_STR);
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}
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/**
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* @param string $value Reference value. Only numeric characters allowed.
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*/
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public function setValue($value): self {
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if ($value === '' || ctype_alnum((string) $value)) {
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$this->value = $value;
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}
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return $this;
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}
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}
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