Saves current **Script_Editor_tabWidget** Widget tab Model editor file as user chosen file.

        :return: Method success.
        :rtype: bool

def save_fileAs(self):
        """
        Saves current **Script_Editor_tabWidget** Widget tab Model editor file as user chosen file.

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

        editor = self.get_current_editor()
        if not editor:
            return False

        file = umbra.ui.common.store_last_browsed_path(QFileDialog.getSaveFileName(self, "Save As:", editor.file))
        if not file:
            return False

        candidate_editor = self.get_editor(file)
        if candidate_editor:
            if not candidate_editor is editor:
                raise foundations.exceptions.UserError("{0} | '{1}' file is already opened!".format(
                    self.__class__.__name__, file))
            else:
                return self.save_file(file)

        LOGGER.info("{0} | Saving '{1}' file!".format(self.__class__.__name__, file))
        self.__lock_editor(editor)
        self.unregister_node_path(editor)
        if editor.save_fileAs(file):
            self.__model.update_authoring_nodes(editor)
            language = self.__languages_model.get_file_language(
                file) or self.__languages_model.get_language(self.__default_language)
            if editor.language.name != language.name:
                self.set_language(editor, language)
            return True