code: def add_new_directory(self, node):
          
  
          if self.__script_editor.model.is_authoring_node(node):
              return False
  
          directory, state = QInputDialog.getText(self, "Add Directory", "Enter your new directory name:")
          if not state:
              return False
  
          if node.family in ("Project", "Directory"):
              parent_directory = node.path
          elif node.family == "File":
              parent_directory = os.path.dirname(node.path)
  
          directory = foundations.strings.to_string(directory)
          if not directory in os.listdir(parent_directory):
              directory = os.path.join(parent_directory, directory)
              LOGGER.info("{0} | Adding '{1}' directory!".format(self.__class__.__name__, directory))
              os.makedirs(directory)
          else:
              self.__raise_file_system_exception(file, parent_directory)
          return True
docs: Adds a new directory next to given Node associated path.
  
          :param node: Node.
          :type node: ProjectNode or DirectoryNode or FileNode
          :return: Method success.
          :rtype: bool