anchor.diff:        });
       }
     }
  -
  -  void _onSubmit(Event e) => _commit();
   
     void _commit() => _hide();
     void _cancel() => _hide();
  
positive.code:       _progressDescriptionElement.text = description;
      }
    }
  
    void _onSubmit(Event e) {
      e..stopPropagation()..preventDefault();
      _commit();
    }
  }
  
  class FileOpenAction extends SparkAction {
  
negative.code:     _propertiesElement.innerHtml = '';
      _buildProperties().then((_) => _show());
    }
  
    Future _buildProperties() {
      _addProperty(_propertiesElement, 'Name', _selectedResource.name);
  