icingaweb2/library/Icinga/Chart/Palette.php

66 lines
1.4 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
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;
}
}