/**
* Retrieve a list of allowed parent roles
*
* @paraam integer $roleId
* @param integer $id Role id
* @return array list of allowable parent roles in 'list' format
*/
public function allowedParents(Model $model, $id = null)
{
if (!$model->Behaviors->enabled('Croogo.Aliasable')) {
$model->Behaviors->load('Croogo.Aliasable');
}
if ($id == $model->byAlias('public')) {
return array();
}
$adminRoleId = $model->byAlias('admin');
$excludes = Hash::filter(array_values(array($adminRoleId, $id)));
$options = array('conditions' => array('NOT' => array($model->alias . '.id' => $excludes)));
return $model->find('list', $options);
}
