Zabbix

<?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/>.

**/

​

​

/**

 * Class for converting template screens to template dashboards.

 */

class CTemplateScreenConverter extends CConverter {

​

    /**

     * Reference display width for widget position and size calculations.

     */

    private const DISPLAY_WIDTH = 1920;

​

    private const DASHBOARD_MAX_COLUMNS = 24;

    private const DASHBOARD_MAX_ROWS = 64;

    private const WIDGET_MIN_ROWS = 2;

    private const WIDGET_MAX_ROWS = 32;

​

    /**

     * Widget row height on dashboard.

     */

    private const WIDGET_ROW_HEIGHT = 70;

​

    /**

     * Average height of screen legend.

     */

    private const SCREEN_LEGEND_HEIGHT = 215;

​

    /**

     * Legacy screen resource types.

     */

    private const SCREEN_RESOURCE_TYPE_GRAPH = 0;

    private const SCREEN_RESOURCE_TYPE_SIMPLE_GRAPH = 1;

    private const SCREEN_RESOURCE_TYPE_PLAIN_TEXT = 3;

    private const SCREEN_RESOURCE_TYPE_CLOCK = 7;

    private const SCREEN_RESOURCE_TYPE_URL = 11;

    private const SCREEN_RESOURCE_TYPE_LLD_SIMPLE_GRAPH = 19;

    private const SCREEN_RESOURCE_TYPE_LLD_GRAPH = 20;

​

    /**

     * Convert template screen definition to template dashboard definition.

     *

     * @param array $screen

     *

     * @return array

     */

    public function convert($screen): array {

        $widgets = [];

​

        $screen_items = array_key_exists('screen_items', $screen)