icingaweb2/library/Icinga/Chart/Inline/Inline.php

97 lines
2.2 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
namespace Icinga\Chart\Inline;
/**
* Class to render and inline chart directly from the request params.
*
* When rendering huge amounts of inline charts it is too expensive
* to bootstrap the complete application for ever single chart and
* we need to be able render Charts in a compact environment without
* the other Icinga classes.
*
* Class Inline
* @package Icinga\Chart\Inline
*/
class Inline
{
/**
* The data displayed in this chart
*
* @var array
*/
protected $data;
/**
* The colors used to display this chart
*
* @var array
*/
protected $colors = array(
'#00FF00', // OK
'#FFFF00', // Warning
'#FF0000', // Critical
'#E066FF' // Unreachable
);
/**
* The labels displayed on this chart
*
* @var array
*/
protected $labels = array();
/**
* The height in percent
*
* @var int
*/
protected $height = 100;
/**
* The width in percent
*
* @var int
*/
protected $width = 100;
protected function sanitizeStringArray(array $arr)
{
$sanitized = array();
foreach ($arr as $key => $value) {
$sanitized[$key] = htmlspecialchars($value);
}
return $sanitized;
}
/**
* Populate the properties from the current request.
*/
public function initFromRequest()
{
$this->data = explode(',', $_GET['data']);
foreach ($this->data as $key => $value) {
$this->data[$key] = (int)$value;
}
for ($i = 0; $i < count($this->data); $i++) {
$this->labels[] = '';
}
if (array_key_exists('colors', $_GET)) {
$this->colors = $this->sanitizeStringArray(explode(',', $_GET['colors']));
}
while (count($this->colors) < count($this->data)) {
$this->colors[] = '#FEFEFE';
}
if (array_key_exists('width', $_GET)) {
$this->width = (int)$_GET['width'];
}
if (array_key_exists('height', $_GET)) {
$this->height = (int)$_GET['height'];
}
}
}