code: def get_layout(self):
          
          if self.request.is_ajax():
              layout = ['modal', ]
          else:
              layout = ['static_page', ]
  
          if self.workflow_class.wizard:
              layout += ['wizard', ]
  
          return layout
docs: Returns classes for the workflow element in template.
  
          The returned classes are determied based on
          the workflow characteristics.