/**
* @param DataUnitComponentInterface $input
* @param FormState $state
* @param array $defaultValues
* @throws ComponentException
*/
public function compile(DataUnitComponentInterface $input, FormState $state, array $defaultValues)
{
// extract the input name
$name = $input->getName();
$fullName = $input->getFullName();
// if there was a form scope default value provided, set that
if (array_key_exists($name, $defaultValues) && !is_null($defaultValues[$name])) {
$input->setValue($defaultValues[$name]);
}
// if there was a submit
if ($this->shouldReadInput($input, $state)) {
// read the raw value
$input->setValue($this->readInput($input, $state));
// if there was no value from the input
if ($input->hasValue() === false) {
// required check
if ($input instanceof RequiredInterface && $input->isRequired()) {
$params = array();
if ($input instanceof TranslatableComponentInterface) {
$key = $input->getTranslationKey();
$params = array('control' => $state->getServices()->getTranslator()->translateRaw($key, $input, $state));
}
throw new ComponentException($input, '', 'validator.required', $params);
}
} else {
// evaluate the value
if ($input instanceof EvaluatableInterface) {
$input->setValue($state->getServices()->getEvaluationHandler()->evaluate($input));
}
// encode the value (if converter set)
if ($input instanceof ConvertableInterface) {
// extract the converter config from the input
$config = $input->getConverter();
if (!is_null($config)) {
$converter = $state->getServices()->getConverters()->get($config->getType());
/** @var DataUnitComponentInterface $input */
$input->setValue($converter->encode($input->getValue(), $config->getArgs()));
}
}
// store the read input if it should be persisted
if ($input->isPersistent() || $state->isPersistent()) {
$state->getServices()->getPersistenceHandler()->setValue($fullName, $input->getValue(), $state->getFormId());
}
}
} else {
// if persistent and the persistence handler has a value for this data unit, load it
if (($input->isPersistent() || $state->isPersistent()) && $state->getServices()->getPersistenceHandler()->hasValue($fullName, $state->getFormId())) {
$input->setValue($state->getServices()->getPersistenceHandler()->getValue($fullName, $state->getFormId()));
}
}
}
/**
* @param DataUnitComponentInterface $child
*/
protected function storeValue(DataUnitComponentInterface $child)
{
// add the value of the component to the values of this container
$this->values[$child->getName()] = $child->getValue();
// also store the value the standard way
parent::storeValue($child);
}
