public function get_index()
{
$records = MODEL::where('PARENT_ID', '=', (int) $_GET['node'])->get();
$result = '[';
foreach ($records as $record) {
$result .= '{
text: \'' . $record->DEFAULT_FIELD . '\',
leaf: ' . ($record->LEAF ? 'true' : 'false') . ',
id: ' . $record->id . '
},';
}
$result .= ']';
return $result;
}
