public function configureOptions(FieldOptionsResolver $options)
{
$options->setRequired(['field_type']);
$options->setDefault('field_options', []);
$options->setFormMapper(function (array $options, array $shared) {
// default to allowing add / delete (contrary to the form types
// default behavior).
$options = array_merge(['allow_add' => true, 'allow_delete' => true], $options);
// resolve the form options for the colletion entry.
$field = $this->registry->get($shared['field_type']);
$resolver = new FieldOptionsResolver();
$field->configureOptions($resolver);
$entryOptions = $resolver->resolveFormOptions(FieldOptions::create($shared['field_options']));
// do not allow entry_type or entry_options to be overridden.
$options['entry_type'] = $field->getFormType();
$options['entry_options'] = $entryOptions;
return $options;
});
$options->setViewMapper(function ($options, $shared) {
return array_merge($options, ['field_type' => $shared['field_type'], 'field_options' => $shared['field_options']]);
});
}
