icingaweb2/library/Icinga/Chart/Unit/StaticAxis.php

144 lines
4.0 KiB
PHP

<?php
// {{{ICINGA_LICENSE_HEADER}}}
/**
* This file is part of Icinga 2 Web.
*
* Icinga 2 Web - 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\Unit;
class StaticAxis implements AxisUnit
{
private $items = array();
/**
* Add a dataset to this AxisUnit, required for dynamic min and max vlaues
*
* @param array $dataset The dataset that will be shown in the Axis
* @param int $id The idx in the dataset (0 for x, 1 for y)
*/
public function addValues(array $dataset, $idx = 0)
{
$datapoints = array();
foreach ($dataset['data'] as $points) {
$this->items[] = $points[$idx];
}
$this->items = array_unique($this->items);
return $this;
}
/**
* Transform the given absolute value in an axis relative value
*
* @param int $value The absolute, dataset dependent value
*
* @return int An axis relative value
*/
public function transform($value)
{
$flipped = array_flip($this->items);
if (!isset($flipped[$value])) {
return 0;
}
$pos = $flipped[$value];
return 1 + (99 / count($this->items) * $pos);
}
/**
* Set the axis minimum value to a fixed value
*
* @param int $min The new minimum value
*/
public function setMin($min)
{
}
/**
* Set the axis maximum value to a fixed value
*
* @param int $max The new maximum value
*/
public function setMax($max)
{
}
/**
* (PHP 5 &gt;= 5.0.0)<br/>
* Return the current element
* @link http://php.net/manual/en/iterator.current.php
* @return mixed Can return any type.
*/
public function current()
{
return 1 + (99 / count($this->items) * key($this->items));
}
/**
* (PHP 5 &gt;= 5.0.0)<br/>
* Move forward to next element
* @link http://php.net/manual/en/iterator.next.php
* @return void Any returned value is ignored.
*/
public function next()
{
return next($this->items);
}
/**
* (PHP 5 &gt;= 5.0.0)<br/>
* Return the key of the current element
* @link http://php.net/manual/en/iterator.key.php
* @return mixed scalar on success, or null on failure.
*/
public function key()
{
return current($this->items);
}
/**
* (PHP 5 &gt;= 5.0.0)<br/>
* Checks if current position is valid
* @link http://php.net/manual/en/iterator.valid.php
* @return boolean The return value will be casted to boolean and then evaluated.
* Returns true on success or false on failure.
*/
public function valid()
{
return current($this->items) !== false;
}
/**
* (PHP 5 &gt;= 5.0.0)<br/>
* Rewind the Iterator to the first element
* @link http://php.net/manual/en/iterator.rewind.php
* @return void Any returned value is ignored.
*/
public function rewind()
{
return reset($this->items);
}
}