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105 lines
2.6 KiB
105 lines
2.6 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 CSvgGraphPercentile extends CSvgGroup {
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private const LABEL_FONT_SIZE = 10;
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private const LABEL_MARGIN = 4;
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private const ZBX_STYLE_CLASS = 'svg-graph-percentile';
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private $color;
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private $side;
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private $label;
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private $value;
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private $min;
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private $max;
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public function __construct($label, $value, $min, $max) {
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parent::__construct();
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$this->label = $label;
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$this->value = $value;
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$this->min = $min;
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$this->max = $max;
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}
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public function setColor(string $color): self {
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$this->color = $color;
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return $this;
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}
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public function setSide(int $side): self {
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$this->side = $side;
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return $this;
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}
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public function makeStyles(): array {
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return [
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'.'.self::ZBX_STYLE_CLASS.'-'.$this->side.' line' => [
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'stroke' => $this->color
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],
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'.'.self::ZBX_STYLE_CLASS.'-'.$this->side.' text' => [
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'font-size' => self::LABEL_FONT_SIZE.'px',
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'fill' => $this->color
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]
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];
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}
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private function draw(): void {
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$total = $this->max - $this->min;
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if ($total == INF) {
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$total = $this->max / 10 - $this->min / 10;
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$fraction = $this->value / 10 - $this->min / 10;
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}
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else {
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$fraction = $this->value - $this->min;
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}
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$y = $this->height + $this->y - CMathHelper::safeMul([
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$this->height, $fraction, 1 / $total
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]);
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$label_x = ($this->side == GRAPH_YAXIS_SIDE_RIGHT)
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? $this->width + $this->x - self::LABEL_MARGIN
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: $this->x + self::LABEL_MARGIN;
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$this->addItem([
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new CSvgLine($this->x, $y, $this->x + $this->width, $y),
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(new CSvgText($this->label, $label_x, $y - self::LABEL_MARGIN / 2))
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->setAttribute('text-anchor', $this->side == GRAPH_YAXIS_SIDE_RIGHT ? 'end' : null)
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]);
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}
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public function toString($destroy = true): string {
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$this
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->addClass(self::ZBX_STYLE_CLASS)
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->addClass(self::ZBX_STYLE_CLASS.'-'.$this->side)
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->draw();
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return parent::toString($destroy);
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}
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}
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