/**
* return simple string
*
* all we want to store after going through a for is a simple string. If there
* are any other languages being sent, this is where they get stored.
*
* @param array $default value from client
*
* @return string
*
* @throws TransformationFailedException
*/
public function reverseTransform($default)
{
$defaultLang = $this->utils->getDefaultLanguage();
if (!isset($default[$defaultLang])) {
throw new TransformationFailedException(sprintf('Value must contain "%s" string', $defaultLang));
}
$this->utils->insertTranslatable($default);
return $default[$defaultLang];
}
/**
* @param FormBuilderInterface $builder form builder
* @param array $options array of options
*
* @return void
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->addViewTransformer($this->transformer);
$languages = $this->utils->getLanguages();
$default = $this->utils->getDefaultLanguage();
// handle what happens when no languages exist in db yet
if (!in_array($default, $languages)) {
$languages[] = $default;
}
foreach ($languages as $language) {
$options = [];
if ($language == $default) {
$options['required'] = true;
}
$builder->add($language, 'text', $options);
}
}
/**
* remove translateable strings from object
*
* @param PreDeserializeEvent $event event
*
* @return void
*/
public function onPreDeserialize(PreDeserializeEvent $event)
{
$eventClass = $event->getType()['name'];
if (!class_exists($eventClass)) {
throw new DeserializationException(sprintf('Can\' find class %s to deserialize', $eventClass));
}
$object = new $eventClass();
if ($object instanceof TranslatableDocumentInterface) {
$defaultLanguage = $this->utils->getDefaultLanguage();
$data = $event->getData();
foreach ($object->getTranslatableFields() as $field) {
if (isset($data[$field])) {
$this->localizedFields[$field] = $data[$field];
$defaultValue = \reset($data[$field]);
if (array_key_exists($defaultLanguage, $data[$field])) {
$defaultValue = $data[$field][$defaultLanguage];
}
$data[$field] = $defaultValue;
}
}
$event->setData($data);
}
}
/**
* Get default translation
*
* @param array $translations Translations
* @return string
*/
private function getDefaultTranslation(array $translations)
{
$defaultLanguage = $this->utils->getDefaultLanguage();
return isset($translations[$defaultLanguage]) ? $translations[$defaultLanguage] : reset($translations);
}
