66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
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# Copyright 2023 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from typing import Callable
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import urwid
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from subiquitycore.ui.buttons import (
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back_btn,
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done_btn,
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)
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from subiquitycore.ui.utils import button_pile
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from subiquitycore.ui.stretchy import Stretchy
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class ConfirmationOverlay(Stretchy):
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""" An overlay widget that asks the user to confirm or cancel an action.
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"""
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def __init__(self, title: str, question: str,
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confirm_label: str, cancel_label: str,
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on_confirm: Callable[[], None],
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on_cancel: Callable[[], None]) -> None:
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self.on_cancel_cb = on_cancel
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self.on_confirm_cb = on_confirm
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self.choice_made = False
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widgets = [
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urwid.Text(question),
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urwid.Text(""),
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button_pile([
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back_btn(
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label=cancel_label, on_press=lambda u: self.on_cancel()),
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done_btn(
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label=confirm_label, on_press=lambda u: self.on_confirm()),
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]),
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]
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super().__init__(title, widgets, 0, 2)
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def on_cancel(self) -> None:
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self.choice_made = True
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self.on_cancel_cb()
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def on_confirm(self) -> None:
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self.choice_made = True
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self.on_confirm_cb()
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def closed(self):
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if self.choice_made:
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return
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# The caller should be careful not to close the overlay again.
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self.on_cancel_cb()
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