/**
* Prepares the multiple field.
*
* @param Field $field The field object
* @param mixed $data The data
*/
protected function prepare(Field $field, $data)
{
if (!is_array($data)) {
throw new \InvalidArgumentException('');
}
$choices = [];
foreach ($data as $index => $value) {
$proto = $field->getOption('prototype');
$choice = $this->cloneField($proto);
$choice->setInternalName((string) $index);
$choice->setParent($field);
foreach ($choice->getChildren() as $child) {
$child->setParent($choice);
}
$choices[] = $choice;
}
$field->setChildren($choices);
}
