public function editAction()
 {
     switch ($this->request["METHOD"]) {
         case 'GET':
             $xml = new Form($this->request[2]);
             break;
         case 'POST':
             $xml = new Form($this->request['modulo']);
             break;
     }
     $template = "_xml" . '/edit.html.twig';
     $this->values['xml'] = $xml->getXml();
     switch ($this->request['accion']) {
         case 'Guardar':
             //GUARDAR DATOS
             $template = "_xml" . '/index.html.twig';
             return array('template' => $template, 'values' => $this->values);
             break;
     }
     return array('template' => $template, 'values' => $this->values);
 }