Saves all **Script_Editor_tabWidget** Widget tab Model editor files.

        :return: Method success.
        :rtype: bool

def save_all_files(self):
        """
        Saves all **Script_Editor_tabWidget** Widget tab Model editor files.

        :return: Method success.
        :rtype: bool
        """

        self.__engine.start_processing("Saving All Files ...", len(self.list_editors()))
        success = True
        for file in self.list_files():
            success *= self.save_file(file)
            self.__engine.step_processing()
        self.__engine.stop_processing()
        return success