public function preset($id)
{
// Validate only exists for JSON.
if (empty($this->params['ajax'])) {
$this->undefined();
}
$preset = LayoutObject::preset($id);
if (!$preset) {
throw new \RuntimeException('Preset not found', 404);
}
$layout = new LayoutObject($id, $preset);
$input = $this->request->post->getJson('layout');
$deleted = isset($input) ? $layout->clearSections()->copySections($input) : [];
$message = $deleted ? $this->container['admin.theme']->render('@gantry-admin/ajax/particles-loss.html.twig', ['particles' => $deleted]) : null;
return new JsonResponse(['title' => ucwords(trim(str_replace('_', ' ', $id))), 'preset' => json_encode($layout->preset), 'data' => $layout->prepareWidths()->toJson(), 'deleted' => $deleted, 'message' => $message]);
}
