/**
* Returns the values corresponding to the given model objects.
*
* @param array $models
*
* @return array
*
* @see Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface
*/
public function getValuesForChoices(array $models)
{
if (!$this->loaded) {
// Optimize performance for single-field identifiers. We already
// know that the IDs are used as values
// Attention: This optimization does not check choices for existence
if (1 === count($this->identifier)) {
$values = array();
foreach ($models as $model) {
if ($model instanceof $this->class) {
// Make sure to convert to the right format
$values[] = $this->fixValue(current($this->getIdentifierValues($model)));
}
}
return $values;
}
$this->load();
}
return parent::getValuesForChoices($models);
}
/**
* Returns the values corresponding to the given entities.
*
* @param array $entities
*
* @return array
*
* @see Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface
*/
public function getValuesForChoices(array $entities)
{
// Performance optimization
if (empty($entities)) {
return array();
}
if (!$this->loaded) {
// Optimize performance for single-field identifiers. We already
// know that the IDs are used as values
// Attention: This optimization does not check choices for existence
if ($this->idAsValue) {
$values = array();
foreach ($entities as $i => $entity) {
if ($entity instanceof $this->class) {
// Make sure to convert to the right format
$values[$i] = $this->fixValue(current($this->getIdentifierValues($entity)));
}
}
return $values;
}
$this->load();
}
return parent::getValuesForChoices($entities);
}
