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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Form\Element;
use Zend\Form\Element;
use Zend\InputFilter\InputProviderInterface;
use Zend\Validator\GreaterThan as GreaterThanValidator;
use Zend\Validator\LessThan as LessThanValidator;
use Zend\Validator\Regex as RegexValidator;
use Zend\Validator\Step as StepValidator;
class Number extends Element implements InputProviderInterface
{
/**
* Seed attributes
*
* @var array
*/
protected $attributes = [
'type' => 'number',
];
/**
* @var array
*/
protected $validators;
/**
* Get validator
*
* @return \Zend\Validator\ValidatorInterface[]
*/
protected function getValidators()
{
if ($this->validators) {
return $this->validators;
}
$validators = [];
// HTML5 always transmits values in the format "1000.01", without a
// thousand separator. The prior use of the i18n Float validator
// allowed the thousand separator, which resulted in wrong numbers
// when casting to float.
$validators[] = new RegexValidator('(^-?\d*(\.\d+)?$)');
$inclusive = true;
if (isset($this->attributes['inclusive'])) {
$inclusive = $this->attributes['inclusive'];
}
if (isset($this->attributes['min'])) {
$validators[] = new GreaterThanValidator([
'min' => $this->attributes['min'],
'inclusive' => $inclusive
]);
}
if (isset($this->attributes['max'])) {
$validators[] = new LessThanValidator([
'max' => $this->attributes['max'],
'inclusive' => $inclusive
]);
}
if (! isset($this->attributes['step'])
|| 'any' !== $this->attributes['step']
) {
$validators[] = new StepValidator([
'baseValue' => (isset($this->attributes['min'])) ? $this->attributes['min'] : 0,
'step' => (isset($this->attributes['step'])) ? $this->attributes['step'] : 1,
]);
}
$this->validators = $validators;
return $this->validators;
}
/**
* Provide default input rules for this element
*
* Attaches a number validator, as well as a greater than and less than validators
*
* @return array
*/
public function getInputSpecification()
{
return [
'name' => $this->getName(),
'required' => true,
'filters' => [
['name' => 'Zend\Filter\StringTrim']
],
'validators' => $this->getValidators(),
];
}
}