code: def set_search_results(self, search_results):
          
  
          root_node = umbra.ui.nodes.DefaultNode(name="InvisibleRootNode")
          for search_result in search_results:
              search_file_node = SearchFileNode(name=search_result.file,
                                                parent=root_node)
              search_file_node.update(search_result)
              width = \
                  max(self.__default_line_number_width,
                      max([len(foundations.strings.to_string(occurence.line)) for occurence in
                           search_result.occurrences]))
              for occurence in search_result.occurrences:
                  formatter = "{{0:>{0}}}".format(width)
                  name = "{0}:{1}".format(formatter.format(occurence.line + 1).replace(" ", "&nbsp;"),
                                          self.__format_occurence(occurence))
                  search_occurence_node = SearchOccurenceNode(name=name,
                                                              parent=search_file_node)
                  search_occurence_node.update(occurence)
          self.__model.initialize_model(root_node)
          return True
docs: Sets the Model Nodes using given search results.
  
          :param search_results: Search results.
          :type search_results: list
          :return: Method success.
          :rtype: bool