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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 DateInterval;
use DateTime as PhpDateTime;
use Zend\Form\Element;
use Zend\InputFilter\InputProviderInterface;
use Zend\Validator\Date as DateValidator;
use Zend\Validator\DateStep as DateStepValidator;
use Zend\Validator\GreaterThan as GreaterThanValidator;
use Zend\Validator\LessThan as LessThanValidator;
class DateTime extends Element implements InputProviderInterface
{
const DATETIME_FORMAT = 'Y-m-d\TH:iP';
/**
* Seed attributes
*
* @var array
*/
protected $attributes = array(
'type' => 'datetime',
);
/**
* A valid format string accepted by date()
*
* @var string
*/
protected $format = self::DATETIME_FORMAT;
/**
* @var array
*/
protected $validators;
/**
* Accepted options for DateTime:
* - format: A \DateTime compatible string
*
* @param array|\Traversable $options
* @return DateTime
*/
public function setOptions($options)
{
parent::setOptions($options);
if (isset($this->options['format'])) {
$this->setFormat($this->options['format']);
}
return $this;
}
/**
* Retrieve the element value
*
* If the value is a DateTime object, and $returnFormattedValue is true
* (the default), we return the string
* representation using the currently registered format.
*
* If $returnFormattedValue is false, the original value will be
* returned, regardless of type.
*
* @param bool $returnFormattedValue
* @return mixed
*/
public function getValue($returnFormattedValue = true)
{
$value = parent::getValue();
if (!$value instanceof PhpDateTime || !$returnFormattedValue) {
return $value;
}
$format = $this->getFormat();
return $value->format($format);
}
/**
* Set value for format
*
* @param string $format
* @return DateTime
*/
public function setFormat($format)
{
$this->format = (string) $format;
return $this;
}
/**
* Retrieve the DateTime format to use for the value
*
* @return string
*/
public function getFormat()
{
return $this->format;
}
/**
* Get validators
*
* @return array
*/
protected function getValidators()
{
if ($this->validators) {
return $this->validators;
}
$validators = array();
$validators[] = $this->getDateValidator();
if (isset($this->attributes['min'])) {
$validators[] = new GreaterThanValidator(array(
'min' => $this->attributes['min'],
'inclusive' => true,
));
}
if (isset($this->attributes['max'])) {
$validators[] = new LessThanValidator(array(
'max' => $this->attributes['max'],
'inclusive' => true,
));
}
if (!isset($this->attributes['step'])
|| 'any' !== $this->attributes['step']
) {
$validators[] = $this->getStepValidator();
}
$this->validators = $validators;
return $this->validators;
}
/**
* Retrieves a Date Validator configured for a DateTime Input type
*
* @return DateTime
*/
protected function getDateValidator()
{
return new DateValidator(array('format' => $this->format));
}
/**
* Retrieves a DateStep Validator configured for a DateTime Input type
*
* @return DateTime
*/
protected function getStepValidator()
{
$format = $this->getFormat();
$stepValue = (isset($this->attributes['step']))
? $this->attributes['step'] : 1; // Minutes
$baseValue = (isset($this->attributes['min']))
? $this->attributes['min'] : date($format, 0);
return new DateStepValidator(array(
'format' => $format,
'baseValue' => $baseValue,
'step' => new DateInterval("PT{$stepValue}M"),
));
}
/**
* Provide default input rules for this element
*
* Attaches default validators for the datetime input.
*
* @return array
*/
public function getInputSpecification()
{
return array(
'name' => $this->getName(),
'required' => true,
'filters' => array(
array('name' => 'Zend\Filter\StringTrim'),
),
'validators' => $this->getValidators(),
);
}
}
|
