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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Chart\Unit;
class StaticAxis implements AxisUnit
{
private $items = array();
/**
* Add a dataset to this AxisUnit, required for dynamic min and max values
*
* @param array $dataset The dataset that will be shown in the Axis
* @param int $idx The idx in the dataset (0 for x, 1 for y)
*
* @return $this Fluent interface
*/
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 >= 5.0.0)<br/>
* Return the current element
* @link http://php.net/manual/en/iterator.current.php
* @return int.
*/
public function current(): int
{
return 1 + (99 / count($this->items) * key($this->items));
}
/**
* (PHP 5 >= 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(): void
{
next($this->items);
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the key of the current element
* @link http://php.net/manual/en/iterator.key.php
* @return mixed scalar on success, or null on failure.
*/
#[\ReturnTypeWillChange]
public function key()
{
return current($this->items);
}
/**
* (PHP 5 >= 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(): bool
{
return current($this->items) !== false;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Rewind the Iterator to the first element
* @link http://php.net/manual/en/iterator.rewind.php
* @return void Any returned value is ignored.
*/
public function rewind(): void
{
reset($this->items);
}
/**
* Get the amount of ticks of this axis
*
* @return int
*/
public function getTicks()
{
return count($this->items);
}
}
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