public function execute(HTTPRequestCustom $request)
 {
     parent::load_lang($request);
     $view = new FileTemplate('update/introduction.tpl');
     $this->add_navigation($view);
     return $this->create_response($view);
 }
 public function execute(HTTPRequestCustom $request)
 {
     parent::load_lang($request);
     $view = new FileTemplate('update/execute.tpl');
     $this->add_navigation($view);
     if ($this->submit->has_been_submited()) {
         $this->handle_form();
     }
     return $this->create_response($view);
 }
 public function execute(HTTPRequestCustom $request)
 {
     parent::load_lang($request);
     $this->build_form();
     if ($this->submit->has_been_submited()) {
         $this->handle_form();
     }
     $this->build_view();
     return $this->create_response();
 }
 public function execute(HTTPRequestCustom $request)
 {
     parent::load_lang($request);
     $view = new FileTemplate('update/finish.tpl');
     return $this->create_response($view);
 }