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