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/>.

**/

​

namespace Widgets\SvgGraph\Includes;

​

use CDiv,

    CSpan;

​

class CSvgGraphLegend extends CDiv {

​

    // Legend single line height is 18px. Value should be synchronized with $svg-legend-line-height in scss.

    private const LINE_HEIGHT = 18;

​

    private const ZBX_STYLE_CLASS = 'svg-graph-legend';

​

    private const ZBX_STYLE_GRAPH_LEGEND_STATISTIC = 'svg-graph-legend-statistic';

    private const ZBX_STYLE_GRAPH_LEGEND_HEADER = 'svg-graph-legend-header';

    private const ZBX_STYLE_GRAPH_LEGEND_ITEM = 'svg-graph-legend-item';

    private const ZBX_STYLE_GRAPH_LEGEND_NO_DATA = 'svg-graph-legend-no-data';

    private const ZBX_STYLE_GRAPH_LEGEND_VALUE = 'svg-graph-legend-value';

​

    private array $legend_items;

​

    private int $columns_count = 0;

    private int $lines_count = 0;

    private int $lines_mode = 0;

    private bool $show_statistic = false;

​

    /**

     * @param array  $legend_items

     * @param string $legend_items[]['name']

     * @param string $legend_items[]['color']

     * @param string $legend_items[]['units']

     * @param string $legend_items[]['min']

     * @param string $legend_items[]['avg']

     * @param string $legend_items[]['max']

     */

    public function __construct(array $legend_items) {

        parent::__construct();

​

        $this->legend_items = $legend_items;

    }

​

    public function setColumnsCount(int $columns_count): self {

        $this->columns_count = $columns_count;

​

        return $this;

    }

​

    private function getLinesCount(): int {

        if ($this->lines_mode == WidgetForm::LEGEND_LINES_MODE_FIXED) {