/**
* Modify an already defined field
* @param string $name Name of the field
* @param array|\Closure $modify Array of field configs or a closure that accepts
* a FieldsBuilder and returns a FieldsBuilder.
* @throws ModifyFieldReturnTypeException if $modify is a closure and doesn't
* return a FieldsBuilder.
* @throws FieldNotFoundException if the field name doesn't exist.
* @return $this
*/
public function modifyField($name, $modify)
{
if (is_array($modify)) {
$this->getFieldManager()->modifyField($name, $modify);
} elseif ($modify instanceof \Closure) {
$field = $this->getField($name);
// Initialize Modifying FieldsBuilder
$modifyBuilder = new FieldsBuilder('');
$modifyBuilder->addFields([$field]);
/**
* @var FieldsBuilder
*/
$modifyBuilder = $modify($modifyBuilder);
// Check if a FieldsBuilder is returned
if (!$modifyBuilder instanceof FieldsBuilder) {
throw new ModifyFieldReturnTypeException(gettype($modifyBuilder));
}
// Build Modifications
$modifyConfig = $modifyBuilder->build();
// Insert field(s)
$this->getFieldManager()->replaceField($name, $modifyConfig['fields']);
}
return $this;
}
