/**
* @param Node $parent
* @return array
*/
protected function compileAllowedNodeTypes(Node $parent = null)
{
$nodeTypes = NodeType::whereVisible(1)->forNodes()->lists('label', 'id')->toArray();
if ($parent) {
$allowed = json_decode($parent->getNodeType()->allowed_children);
if (count($allowed)) {
foreach ($nodeTypes as $key => $value) {
if (!in_array($key, $allowed)) {
unset($nodeTypes[$key]);
}
}
}
}
return $nodeTypes;
}