icingaweb2/library/Icinga/Chart/Palette.php

92 lines
2.5 KiB
PHP

<?php
// {{{ICINGA_LICENSE_HEADER}}}
/**
* This file is part of Icinga Web 2.
*
* Icinga Web 2 - Head for multiple monitoring backends.
* Copyright (C) 2013 Icinga Development Team
*
* 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.
*
* @copyright 2013 Icinga Development Team <info@icinga.org>
* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
* @author Icinga Development Team <info@icinga.org>
*
*/
// {{{ICINGA_LICENSE_HEADER}}}
namespace Icinga\Chart;
/**
* Provide a set of colors that will be used by the chart as default values
*/
class Palette
{
/**
* Neutral colors without special meaning
*/
const NEUTRAL = 'neutral';
/**
* A set of problem (i.e. red) colors
*/
const PROBLEM = 'problem';
/**
* A set of ok (i.e. green) colors
*/
const OK = 'ok';
/**
* A set of warning (i.e. yellow) colors
*/
const WARNING = 'warning';
/**
* The colorsets for specific categories
*
* @var array
*/
public $colorSets = array(
self::OK => array('#00FF00'),
self::PROBLEM => array('#FF0000'),
self::WARNING => array('#FFFF00'),
self::NEUTRAL => array('#f3f3f3')
);
/**
* Return the next available color as an hex string for the given type
*
* @param string $type The type to receive a color from
*
* @return string The color in hex format
*/
public function getNext($type = self::NEUTRAL)
{
if (!isset($this->colorSets[$type])) {
$type = self::NEUTRAL;
}
$color = current($this->colorSets[$type]);
if ($color === false) {
reset($this->colorSets[$type]);
$color = current($this->colorSets[$type]);
}
next($this->colorSets[$type]);
return $color;
}
}