/**
* {@inheritdoc}
*/
public function buildType(FieldConfigInterface $config, array $options)
{
$config->setValueComparison($this->valueComparison);
$config->setValueTypeSupport(ValuesBag::VALUE_TYPE_RANGE, true);
$config->setValueTypeSupport(ValuesBag::VALUE_TYPE_COMPARISON, true);
$viewTransformers = $config->getViewTransformers();
$config->resetViewTransformers();
$config->addViewTransformer(new BirthdayTransformer($viewTransformers, $options['allow_age'], $options['allow_future_date']));
}
/**
* Transforms the value if a value transformer is set.
*
* @param mixed $value
* @param FieldConfigInterface $field
*
* @return string
*/
protected function normToView($value, FieldConfigInterface $field) : string
{
// Scalar values should be converted to strings to
// facilitate differentiation between empty ("") and zero (0).
if (null === $value || !$field->getViewTransformers()) {
if (null !== $value && !is_scalar($value)) {
throw new \RuntimeException(sprintf('Norm value of type %s is not a scalar value or null and not cannot be ' . 'converted to a string. You must set a viewTransformer for field "%s" with type "%s".', gettype($value), $field->getName(), $field->getType()->getName()));
}
return (string) $value;
}
foreach ($field->getViewTransformers() as $transformer) {
$value = $transformer->transform($value);
}
return (string) $value;
}
/**
* Reverse transforms a value if a value transformer is set.
*
* @param string $value The value to reverse transform
* @param FieldConfigInterface $config
*
* @return mixed Returns null when the value is empty or invalid
*/
protected function viewToNorm($value, FieldConfigInterface $config)
{
$transformers = $config->getViewTransformers();
if (!$transformers) {
return '' === $value ? null : $value;
}
try {
for ($i = count($transformers) - 1; $i >= 0; --$i) {
$value = $transformers[$i]->reverseTransform($value);
}
return $value;
} catch (TransformationFailedException $e) {
return $e;
}
}
