```
    @Slot()
    def saveAs(self):
        file_name = self.save_as_dialog(self.filename)
        
        if file_name is False:
            return

        original_file = QFileInfo(self.filename)
        path = original_file.path()

        new_absolute_path = os.path.join(path, file_name)
        new_file = QFile(new_absolute_path)

        result = new_file.open(QFile.WriteOnly)
        if result:
            save_stream = QTextStream(new_file)
            save_stream << self.text()