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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Form\Element;
use Icinga\Web\Form\FormElement;
/**
* A number input control
*/
class Number extends FormElement
{
/**
* Form view helper to use for rendering
*
* @var string
*/
public $helper = 'formNumber';
/**
* The expected lower bound for the element’s value
*
* @var float|null
*/
protected $min;
/**
* The expected upper bound for the element’s
*
* @var float|null
*/
protected $max;
/**
* The value granularity of the element’s value
*
* Normally, number input controls are limited to an accuracy of integer values.
*
* @var float|string|null
*/
protected $step;
/**
* (non-PHPDoc)
* @see \Zend_Form_Element::init() For the method documentation.
*/
public function init()
{
if ($this->min !== null || $this->max !== null) {
$this->addValidator('Between', true, array(
'min' => $this->min === null ? -INF : $this->min,
'max' => $this->max === null ? INF : $this->max,
'inclusive' => true
));
}
}
/**
* Set the expected lower bound for the element’s value
*
* @param float $min
*
* @return $this
*/
public function setMin($min)
{
$this->min = (float) $min;
return $this;
}
/**
* Get the expected lower bound for the element’s value
*
* @return float|null
*/
public function getMin()
{
return $this->min;
}
/**
* Set the expected upper bound for the element’s value
*
* @param float $max
*
* @return $this
*/
public function setMax($max)
{
$this->max = (float) $max;
return $this;
}
/**
* Get the expected upper bound for the element’s value
*
* @return float|null
*/
public function getMax()
{
return $this->max;
}
/**
* Set the value granularity of the element’s value
*
* @param float|string $step
*
* @return $this
*/
public function setStep($step)
{
if ($step !== 'any') {
$step = (float) $step;
}
$this->step = $step;
return $this;
}
/**
* Get the value granularity of the element’s value
*
* @return float|string|null
*/
public function getStep()
{
return $this->step;
}
/**
* (non-PHPDoc)
* @see \Zend_Form_Element::isValid() For the method documentation.
*/
public function isValid($value, $context = null)
{
$this->setValue($value);
$value = $this->getValue();
if ($value !== null && $value !== '' && ! is_numeric($value)) {
$this->addError(sprintf(t('\'%s\' is not a valid number'), $value));
return false;
}
return parent::isValid($value, $context);
}
}
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