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95 lines
2.4 KiB
95 lines
2.4 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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class CSvgGraphLine extends CSvgPath {
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public const ZBX_STYLE_CLASS = 'svg-graph-line';
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public const ZBX_STYLE_LINE_AUXILIARY = 'svg-graph-line-auxiliary';
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protected $path;
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protected $itemid;
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protected $item_name;
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protected $units;
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protected $host;
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protected $add_labels;
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protected $options;
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public function __construct(array $path, array $metric, bool $add_labels = true) {
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parent::__construct();
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$this->add_labels = $add_labels;
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$this->path = $path;
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$this->itemid = $metric['itemid'];
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$this->item_name = $metric['name'];
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$this->units = $metric['units'];
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$this->host = $metric['host'];
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$this->options = $metric['options'] + [
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'transparency' => CSvgGraph::SVG_GRAPH_DEFAULT_TRANSPARENCY,
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'width' => CSvgGraph::SVG_GRAPH_DEFAULT_LINE_WIDTH,
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'color' => CSvgGraph::SVG_GRAPH_DEFAULT_COLOR,
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'type' => SVG_GRAPH_TYPE_LINE,
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'order' => 1
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];
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}
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protected function draw(): void {
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if (count($this->path) > 1) {
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$last_point = [0, 0];
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foreach ($this->path as $index => $point) {
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if ($index == 0) {
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$this->moveTo($point[0], $point[1]);
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}
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else {
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if ($this->options['type'] == SVG_GRAPH_TYPE_STAIRCASE) {
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$this->lineTo($point[0], $last_point[1]);
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}
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$this->lineTo($point[0], $point[1]);
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}
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$last_point = $point;
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}
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}
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}
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public function toString($destroy = true): string {
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if ($this->path) {
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if ($this->add_labels) {
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$line_values = '';
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foreach ($this->path as $point) {
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$line_values .= ($line_values === '') ? $point[2] : ','.$point[2];
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}
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$this->setAttribute('label', $line_values);
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}
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$this->draw();
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}
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return parent::toString($destroy);
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}
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}
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