public function render()
{
global $core;
/* @var $blueprint Blueprint */
$blueprint = $core->models['pages']->blueprint($core->site_id);
$blueprint->populate();
$options = [];
foreach ($blueprint->ordered_records as $record) {
$options[$record->nid] = str_repeat(" ", $record->depth * 4) . $record->label;
}
$this[self::OPTIONS] = [null => ''] + $options;
return parent::render();
}
