Zabbix

<?php declare(strict_types = 0);

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program 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 2 of the License, or

** (at your option) any later version.

**

** 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/*

 * Class to draw graph line. Single data points will be drawn as points instead of lines.

 */

class CSvgGraphMetricsLine extends CSvgGroup {

​

    private $metric_paths;

    private $metric;

​

    private $options;

​

    public function __construct(array $metric_paths, array $metric) {

        parent::__construct();

​

        $this->metric_paths = $metric_paths;

        $this->metric = $metric;

​

        $this->options = $metric['options'] + [

            'transparency' => CSvgGraph::SVG_GRAPH_DEFAULT_TRANSPARENCY,

            'width' => CSvgGraph::SVG_GRAPH_DEFAULT_LINE_WIDTH,

            'color' => CSvgGraph::SVG_GRAPH_DEFAULT_COLOR,

            'type' => SVG_GRAPH_TYPE_LINE,

            'order' => 1

        ];

​

        // Minimal point size is 3 to make single data points visible even for thin lines.

        $this->options['pointsize'] = max($this->options['width'], 3);

    }

​

    public function makeStyles(): array {

        $item_css_class = CSvgGraphLine::ZBX_STYLE_CLASS.'-'.$this->metric['itemid'].'-'.$this->options['order'];

​

        $this

            ->addClass(CSvgGraphLine::ZBX_STYLE_CLASS)

            ->addClass($item_css_class);

​

        return [

            '.'.CSvgGraphLine::ZBX_STYLE_CLASS => [

                'fill' => 'none'

            ],

            '.'.$item_css_class => [

                'stroke-opacity' => $this->options['transparency'] * 0.1,

                'stroke' => $this->options['color'],