delete_dialog.py 文件源码

def body(self, master):
        """
        Generates the required text listing all elements that will be deleted.

        Displays the "OK" and "Cancel" buttons.
        """
        if len(self.id_tuples) == 0:
            message_string = "No elements selected."
        elif len(self.id_tuples) == 1:
            message_string = 'Delete "{}"?'.format(self.tree.get_element(self.id_tuples[0][0]).name)
        else:
            message_string = "Delete the following items?\n"
            for x, level in self.id_tuples:
                if level == 0:
                    bullet = "    " + u"\u25C6"
                else:
                    bullet = "    " * (level + 1) + u"\u25C7"
                message_string += u"{bullet} {name}\n".format(bullet=bullet, name=self.tree.get_element(x).name)
        message = ttk.Label(master, text=message_string, justify="left")
        message.grid(row=0, sticky="w")