/usr/share/php/Symfony/Component/Form/Extension/Core/DataMapper/CheckboxListMapper.php is in php-symfony-form 2.7.10-0ubuntu2.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\DataMapper;
use Symfony\Component\Form\ChoiceList\ChoiceListInterface;
use Symfony\Component\Form\DataMapperInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
/**
* Maps choices to/from checkbox forms.
*
* A {@link ChoiceListInterface} implementation is used to find the
* corresponding string values for the choices. Each checkbox form whose "value"
* option corresponds to any of the selected values is marked as selected.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class CheckboxListMapper implements DataMapperInterface
{
/**
* @var ChoiceListInterface
*/
private $choiceList;
public function __construct(ChoiceListInterface $choiceList)
{
$this->choiceList = $choiceList;
}
/**
* {@inheritdoc}
*/
public function mapDataToForms($choices, $checkboxes)
{
if (null === $choices) {
$choices = array();
}
if (!is_array($choices)) {
throw new TransformationFailedException('Expected an array.');
}
try {
$valueMap = array_flip($this->choiceList->getValuesForChoices($choices));
} catch (\Exception $e) {
throw new TransformationFailedException(
'Can not read the choices from the choice list.',
$e->getCode(),
$e
);
}
foreach ($checkboxes as $checkbox) {
$value = $checkbox->getConfig()->getOption('value');
$checkbox->setData(isset($valueMap[$value]) ? true : false);
}
}
/**
* {@inheritdoc}
*/
public function mapFormsToData($checkboxes, &$choices)
{
$values = array();
foreach ($checkboxes as $checkbox) {
if ($checkbox->getData()) {
// construct an array of choice values
$values[] = $checkbox->getConfig()->getOption('value');
}
}
try {
$choices = $this->choiceList->getChoicesForValues($values);
} catch (\Exception $e) {
throw new TransformationFailedException(
'Can not read the values from the choice list.',
$e->getCode(),
$e
);
}
}
}
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