131 lines
3.1 KiB
PHP
131 lines
3.1 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
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namespace Icinga\Chart\Unit;
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class StaticAxis implements AxisUnit
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{
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private $items = array();
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/**
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* Add a dataset to this AxisUnit, required for dynamic min and max values
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*
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* @param array $dataset The dataset that will be shown in the Axis
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* @param int $idx The idx in the dataset (0 for x, 1 for y)
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*
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* @return $this Fluent interface
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*/
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public function addValues(array $dataset, $idx = 0)
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{
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$datapoints = array();
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foreach ($dataset['data'] as $points) {
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$this->items[] = $points[$idx];
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}
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$this->items = array_unique($this->items);
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return $this;
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}
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/**
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* Transform the given absolute value in an axis relative value
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*
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* @param int $value The absolute, dataset dependent value
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*
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* @return int An axis relative value
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*/
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public function transform($value)
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{
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$flipped = array_flip($this->items);
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if (!isset($flipped[$value])) {
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return 0;
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}
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$pos = $flipped[$value];
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return 1 + (99 / count($this->items) * $pos);
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}
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/**
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* Set the axis minimum value to a fixed value
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*
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* @param int $min The new minimum value
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*/
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public function setMin($min)
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{
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}
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/**
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* Set the axis maximum value to a fixed value
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*
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* @param int $max The new maximum value
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*/
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public function setMax($max)
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{
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}
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/**
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* (PHP 5 >= 5.0.0)<br/>
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* Return the current element
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* @link http://php.net/manual/en/iterator.current.php
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* @return mixed Can return any type.
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*/
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public function current()
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{
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return 1 + (99 / count($this->items) * key($this->items));
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}
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/**
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* (PHP 5 >= 5.0.0)<br/>
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* Move forward to next element
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* @link http://php.net/manual/en/iterator.next.php
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* @return void Any returned value is ignored.
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*/
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public function next()
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{
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return next($this->items);
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}
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/**
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* (PHP 5 >= 5.0.0)<br/>
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* Return the key of the current element
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* @link http://php.net/manual/en/iterator.key.php
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* @return mixed scalar on success, or null on failure.
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*/
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public function key()
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{
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return current($this->items);
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}
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/**
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* (PHP 5 >= 5.0.0)<br/>
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* Checks if current position is valid
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* @link http://php.net/manual/en/iterator.valid.php
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* @return boolean The return value will be casted to boolean and then evaluated.
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* Returns true on success or false on failure.
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*/
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public function valid()
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{
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return current($this->items) !== false;
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}
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/**
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* (PHP 5 >= 5.0.0)<br/>
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* Rewind the Iterator to the first element
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* @link http://php.net/manual/en/iterator.rewind.php
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* @return void Any returned value is ignored.
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*/
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public function rewind()
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{
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return reset($this->items);
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}
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/**
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* Get the amount of ticks of this axis
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*
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* @return int
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*/
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public function getTicks()
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{
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return count($this->items);
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}
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}
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