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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Form\Element;
use DateTime;
use Icinga\Web\Form\FormElement;
use Icinga\Web\Form\Validator\DateTimeValidator;
/**
* A date-and-time input control
*/
class DateTimePicker extends FormElement
{
/**
* Form view helper to use for rendering
*
* @var string
*/
public $helper = 'formDateTime';
/**
* @var bool
*/
protected $local = true;
/**
* (non-PHPDoc)
* @see Zend_Form_Element::init() For the method documentation.
*/
public function init()
{
$this->addValidator(
new DateTimeValidator($this->local),
true // true for breaking the validator chain on failure
);
}
/**
* Get the expected date and time format of any user input
*
* @return string
*/
public function getFormat()
{
return $this->local ? 'Y-m-d\TH:i:s' : DateTime::RFC3339;
}
/**
* Is the date and time valid?
*
* @param string|DateTime $value
* @param mixed $context
*
* @return bool
*/
public function isValid($value, $context = null)
{
if (is_scalar($value) && $value !== '' && ! preg_match('/\D/', $value)) {
$dateTime = new DateTime();
$value = $dateTime->setTimestamp($value)->format($this->getFormat());
}
if (! parent::isValid($value, $context)) {
return false;
}
if (! $value instanceof DateTime) {
$format = $this->getFormat();
$dateTime = DateTime::createFromFormat($format, $value);
if ($dateTime === false) {
$dateTime = DateTime::createFromFormat(substr($format, 0, strrpos($format, ':')), $value);
}
$this->setValue($dateTime);
}
return true;
}
}
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