109 lines
3.3 KiB
PHP
109 lines
3.3 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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/**
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* This file is part of Icinga 2 Web.
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*
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* Icinga 2 Web - Head for multiple monitoring backends.
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* Copyright (C) 2013 Icinga Development Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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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* @copyright 2013 Icinga Development Team <info@icinga.org>
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* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
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* @author Icinga Development Team <info@icinga.org>
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*/
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Chart\Graph;
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use \DOMElement;
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use \Icinga\Chart\Primitive\Animation;
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use \Icinga\Chart\Primitive\Drawable;
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use \Icinga\Chart\Primitive\Rect;
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use \Icinga\Chart\Primitive\Styleable;
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use \Icinga\Chart\Render\RenderContext;
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/**
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* Bar graph implementation
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*/
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class BarGraph extends Styleable implements Drawable
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{
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/**
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* The dataset to use for this bar graph
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*
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* @var array
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*/
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private $dataSet;
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/**
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* Create a new BarGraph with the given dataset
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*
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* @param array $dataSet An array of datapoints
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*/
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public function __construct(array $dataSet)
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{
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$this->dataSet = $dataSet;
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}
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/**
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* Apply configuration styles from the $cfg
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*
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* @param array $cfg The configuration as given in the drawBars call
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*/
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public function setStyleFromConfig(array $cfg)
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{
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foreach ($cfg as $elem => $value) {
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if ($elem === 'color') {
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$this->setFill($value);
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} elseif ($elem === 'width') {
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$this->setStrokeWidth($value);
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}
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}
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}
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/**
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* Render this BarChart
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*
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* @param RenderContext $ctx The rendering context to use for drawing
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*
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* @return DOMElement $dom Element
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*/
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public function toSvg(RenderContext $ctx)
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{
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$doc = $ctx->getDocument();
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$group = $doc->createElement('g');
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$idx = 0;
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foreach ($this->dataSet as $point) {
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$rect = new Rect($point[0]-1, $point[1], 2, 100- $point[1]);
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$rect->setFill($this->fill);
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$rect->setStrokeWidth($this->strokeWidth);
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$rect->setStrokeColor('black');
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$rect->setAttribute('data-icinga-graph-index', $idx++);
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$rect->setAttribute('data-icinga-graph-type', 'bar');
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$rect->setAdditionalStyle('clip-path: url(#clip);');
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$rect->setAnimation(
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new Animation(
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'y',
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$ctx->yToAbsolute(100),
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$ctx->yToAbsolute($point[1]),
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rand(1, 1.5)/2
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)
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);
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$group->appendChild($rect->toSvg($ctx));
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}
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return $group;
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}
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}
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