mirror of
https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-25 06:40:38 +01:00
550 lines
14 KiB
Python
Executable File
550 lines
14 KiB
Python
Executable File
"""
|
|
Components/Snackbar
|
|
===================
|
|
|
|
.. seealso::
|
|
|
|
`Material Design spec, Snackbars <https://m3.material.io/components/snackbar/overview>`_
|
|
|
|
.. rubric:: Snackbars provide brief messages about app processes at the bottom
|
|
of the screen.
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar.png
|
|
:align: center
|
|
|
|
Usage
|
|
-----
|
|
|
|
.. code-block:: python
|
|
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
).open()
|
|
|
|
Example
|
|
-------
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
|
|
from kivymd.app import MDApp
|
|
from kivymd.uix.label import MDLabel
|
|
from kivymd.uix.snackbar import MDSnackbar
|
|
|
|
|
|
KV = '''
|
|
MDScreen:
|
|
|
|
MDRaisedButton:
|
|
text: "Create simple snackbar"
|
|
on_release: app.open_snackbar()
|
|
pos_hint: {"center_x": .5, "center_y": .5}
|
|
'''
|
|
|
|
|
|
class Example(MDApp):
|
|
def open_snackbar(self):
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
),
|
|
).open()
|
|
|
|
def build(self):
|
|
self.theme_cls.theme_style = "Dark"
|
|
self.theme_cls.primary_palette = "Orange"
|
|
return Builder.load_string(KV)
|
|
|
|
|
|
Example().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-simple.gif
|
|
:align: center
|
|
|
|
Control width and pos
|
|
---------------------
|
|
|
|
.. code-block:: python
|
|
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
),
|
|
pos=(dp(24), dp(56)),
|
|
size_hint_x=0.5,
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-widith-and-pos.gif
|
|
:align: center
|
|
|
|
On mobile, use up to two lines of text to communicate the snackbar message:
|
|
|
|
.. code-block:: python
|
|
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
MDLabel(
|
|
text="Second string",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
y=dp(24),
|
|
pos_hint={"center_x": 0.5},
|
|
size_hint_x=0.5,
|
|
md_bg_color="#E8D8D7",
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-two-line.gif
|
|
:align: center
|
|
|
|
Usage action button
|
|
-------------------
|
|
|
|
A snackbar can contain a single action. "Dismiss" or "cancel" actions are
|
|
optional:
|
|
|
|
.. code-block:: python
|
|
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
MDSnackbarActionButton(
|
|
text="Done",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
),
|
|
y=dp(24),
|
|
pos_hint={"center_x": 0.5},
|
|
size_hint_x=0.5,
|
|
md_bg_color="#E8D8D7",
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-action-button.gif
|
|
:align: center
|
|
|
|
Callback action button
|
|
----------------------
|
|
|
|
.. code-block:: python
|
|
|
|
def snackbar_action_button_callback(self, *args):
|
|
print("Snackbar callback action button")
|
|
|
|
def open_snackbar(self):
|
|
self.snackbar = MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
MDSnackbarActionButton(
|
|
text="Done",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
_no_ripple_effect=True,
|
|
on_release=self.snackbar_action_button_callback,
|
|
),
|
|
y=dp(24),
|
|
pos_hint={"center_x": 0.5},
|
|
size_hint_x=0.5,
|
|
md_bg_color="#E8D8D7",
|
|
)
|
|
self.snackbar.open()
|
|
|
|
If an action is long, it can be displayed on a third line:
|
|
|
|
.. code-block:: python
|
|
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="If an action is long, it can be displayed",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
MDLabel(
|
|
text="on a third line.",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
MDLabel(
|
|
text=" ",
|
|
),
|
|
MDSnackbarActionButton(
|
|
text="Action button",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
y=dp(8),
|
|
_no_ripple_effect=True,
|
|
),
|
|
y=dp(24),
|
|
pos_hint={"center_x": 0.5},
|
|
size_hint_x=0.5,
|
|
md_bg_color="#E8D8D7",
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-action-button-on-thrid-line.gif
|
|
:align: center
|
|
|
|
Icon (optional close affordance):
|
|
|
|
.. code-block:: python
|
|
|
|
def snackbar_close(self, *args):
|
|
self.snackbar.dismiss()
|
|
|
|
def open_snackbar(self):
|
|
self.snackbar = MDSnackbar(
|
|
MDLabel(
|
|
text="Icon (optional close affordance)",
|
|
theme_text_color="Custom",
|
|
text_color="#393231",
|
|
),
|
|
MDSnackbarActionButton(
|
|
text="Action button",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
_no_ripple_effect=True,
|
|
),
|
|
MDSnackbarCloseButton(
|
|
icon="close",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
_no_ripple_effect=True,
|
|
on_release=self.snackbar_close,
|
|
),
|
|
y=dp(24),
|
|
pos_hint={"center_x": 0.5},
|
|
size_hint_x=0.5,
|
|
md_bg_color="#E8D8D7",
|
|
)
|
|
self.snackbar.open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-optional-close-affordance.gif
|
|
:align: center
|
|
|
|
API break
|
|
=========
|
|
|
|
1.1.1 version
|
|
-------------
|
|
|
|
.. code-block:: python
|
|
|
|
snackbar = Snackbar(
|
|
text="First string",
|
|
snackbar_x="10dp",
|
|
snackbar_y="24dp",
|
|
)
|
|
snackbar.size_hint_x = (
|
|
Window.width - (snackbar.snackbar_x * 2)
|
|
) / Window.width
|
|
snackbar.buttons = [
|
|
MDFlatButton(
|
|
text="Done",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
on_release=snackbar.dismiss,
|
|
),
|
|
]
|
|
snackbar.open()
|
|
|
|
1.2.0 version
|
|
-------------
|
|
|
|
.. code-block:: python
|
|
|
|
MDSnackbar(
|
|
MDLabel(
|
|
text="First string",
|
|
),
|
|
MDSnackbarActionButton(
|
|
text="Done",
|
|
theme_text_color="Custom",
|
|
text_color="#8E353C",
|
|
),
|
|
y=dp(24),
|
|
pos_hint={"center_x": 0.5},
|
|
size_hint_x=0.5,
|
|
md_bg_color="#E8D8D7",
|
|
).open()
|
|
"""
|
|
|
|
__all__ = (
|
|
"MDSnackbar",
|
|
"MDSnackbarActionButton",
|
|
"MDSnackbarCloseButton",
|
|
)
|
|
|
|
import os
|
|
|
|
from kivy import Logger
|
|
from kivy.animation import Animation
|
|
from kivy.clock import Clock
|
|
from kivy.core.window import Window
|
|
from kivy.lang import Builder
|
|
from kivy.properties import (
|
|
BooleanProperty,
|
|
ColorProperty,
|
|
ListProperty,
|
|
NumericProperty,
|
|
OptionProperty,
|
|
StringProperty,
|
|
)
|
|
|
|
from kivymd import uix_path
|
|
from kivymd.uix.behaviors import MotionShackBehavior
|
|
from kivymd.uix.boxlayout import MDBoxLayout
|
|
from kivymd.uix.button import MDFlatButton, MDIconButton
|
|
from kivymd.uix.card import MDCard
|
|
from kivymd.uix.label import MDLabel
|
|
from kivymd.uix.relativelayout import MDRelativeLayout
|
|
|
|
with open(
|
|
os.path.join(uix_path, "snackbar", "snackbar.kv"), encoding="utf-8"
|
|
) as kv_file:
|
|
Builder.load_string(kv_file.read())
|
|
|
|
|
|
class SnackbarLabelContainer(MDBoxLayout):
|
|
"""Container for placing snackbar text."""
|
|
|
|
|
|
class SnackbarActionButtonContainer(MDRelativeLayout):
|
|
"""Container for placing snackbar action button."""
|
|
|
|
|
|
class SnackbarCloseButtonContainer(MDRelativeLayout):
|
|
"""Container for placing snackbar close button."""
|
|
|
|
|
|
class MDSnackbarCloseButton(MDIconButton):
|
|
"""
|
|
Snackbar closed button class.
|
|
|
|
For more information, see in the
|
|
:class:`~kivymd.uix.button.MDIconButton` class documentation.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
if not self.y and not self.pos_hint:
|
|
self.pos_hint = {"center_y": 0.5}
|
|
|
|
|
|
class MDSnackbarActionButton(MDFlatButton):
|
|
"""
|
|
Snackbar action button class.
|
|
|
|
For more information, see in the
|
|
:class:`~kivymd.uix.button.MDFlatButton` class documentation.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
if not self.y and not self.pos_hint:
|
|
self.pos_hint = {"center_y": 0.5}
|
|
|
|
|
|
class MDSnackbar(MotionShackBehavior, MDCard):
|
|
"""
|
|
Snackbar class.
|
|
|
|
.. versionchanged:: 1.2.0
|
|
Rename `BaseSnackbar` to `MDSnackbar` class.
|
|
|
|
For more information, see in the
|
|
:class:`~kivymd.uix.card.MDCard` and
|
|
:class:`~kivymd.uix.behaviors.StencilBehavior`
|
|
class documentation.
|
|
|
|
:Events:
|
|
:attr:`on_open`
|
|
Called when a snackbar opened.
|
|
:attr:`on_dismiss`
|
|
Called when a snackbar closes.
|
|
"""
|
|
|
|
duration = NumericProperty(3)
|
|
"""
|
|
The amount of time that the snackbar will stay on screen for.
|
|
|
|
:attr:`duration` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `3`.
|
|
"""
|
|
|
|
auto_dismiss = BooleanProperty(True)
|
|
"""
|
|
Whether to use automatic closing of the snackbar or not.
|
|
|
|
:attr:`auto_dismiss` is a :class:`~kivy.properties.BooleanProperty`
|
|
and defaults to `True`.
|
|
"""
|
|
|
|
radius = ListProperty([5, 5, 5, 5])
|
|
"""
|
|
Snackbar radius.
|
|
|
|
:attr:`radius` is a :class:`~kivy.properties.ListProperty`
|
|
and defaults to `[5, 5, 5, 5]`
|
|
"""
|
|
|
|
bg_color = ColorProperty(None, deprecated=True)
|
|
"""
|
|
Snackbar background color in (r, g, b, a) or string format.
|
|
|
|
.. deprecated:: 1.2.0
|
|
Use 'md_bg_color` instead.
|
|
|
|
:attr:`bg_color` is a :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
buttons = ListProperty(deprecated=True)
|
|
"""
|
|
Snackbar buttons.
|
|
|
|
.. deprecated:: 1.2.0
|
|
|
|
:attr:`buttons` is a :class:`~kivy.properties.ListProperty`
|
|
and defaults to `[]`
|
|
"""
|
|
|
|
snackbar_animation_dir = OptionProperty(
|
|
"Bottom",
|
|
options=["Top", "Bottom", "Left", "Right"],
|
|
deprecated=True,
|
|
)
|
|
"""
|
|
Snackbar animation direction.
|
|
Available options are: `'Top'`, `'Bottom'`, `'Left'`, `'Right'`.
|
|
|
|
.. deprecated:: 1.2.0
|
|
|
|
:attr:`snackbar_animation_dir` is an :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `'Bottom'`.
|
|
"""
|
|
|
|
snackbar_x = NumericProperty(0, deprecated=True)
|
|
"""
|
|
The snackbar x position in the screen
|
|
|
|
.. deprecated:: 1.2.0
|
|
|
|
:attr:`snackbar_x` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0`.
|
|
"""
|
|
|
|
snackbar_y = NumericProperty(0, deprecated=True)
|
|
"""
|
|
The snackbar x position in the screen
|
|
|
|
.. deprecated:: 1.2.0
|
|
|
|
:attr:`snackbar_y` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0`.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.register_event_type("on_open")
|
|
self.register_event_type("on_dismiss")
|
|
self.opacity = 0
|
|
|
|
def dismiss(self, *args) -> None:
|
|
"""Dismiss the snackbar."""
|
|
|
|
super().on_dismiss()
|
|
|
|
def open(self) -> None:
|
|
"""Show the snackbar."""
|
|
|
|
for widget in Window.parent.children:
|
|
if widget.__class__ is MDSnackbar:
|
|
return
|
|
|
|
Window.parent.add_widget(self)
|
|
super().on_open()
|
|
|
|
def add_widget(self, widget, *args, **kwargs):
|
|
def check_color(color):
|
|
if not widget.text_color:
|
|
widget.theme_text_color = "Custom"
|
|
widget.text_color = color
|
|
|
|
if isinstance(widget, MDSnackbarCloseButton):
|
|
widget.icon_size = "20sp"
|
|
check_color("white")
|
|
self.ids.close_container.add_widget(widget)
|
|
if len(self.ids.close_container.children) >= 2:
|
|
Logger.warning(
|
|
"KivyMD: "
|
|
"Do not use more than one button to close the snackbar. "
|
|
"This is contrary to the material design rules "
|
|
"of version 3"
|
|
)
|
|
if isinstance(widget, MDSnackbarActionButton):
|
|
self.ids.action_container.add_widget(widget)
|
|
check_color(self.theme_cls.primary_color)
|
|
if len(self.ids.action_container.children) >= 2:
|
|
Logger.warning(
|
|
"KivyMD: "
|
|
"Do not use more than one action button. "
|
|
"This is contrary to the material design rules "
|
|
"of version 3"
|
|
)
|
|
if isinstance(widget, MDLabel):
|
|
widget.adaptive_height = True
|
|
widget.pos_hint = {"center_y": 0.5}
|
|
check_color("white")
|
|
self.ids.label_container.add_widget(widget)
|
|
if len(self.ids.label_container.children) >= 4:
|
|
Logger.warning(
|
|
"KivyMD: "
|
|
"Do not use more than three lines in the snackbar. "
|
|
"This is contrary to the material design rules "
|
|
"of version 3"
|
|
)
|
|
elif isinstance(
|
|
widget,
|
|
(
|
|
SnackbarLabelContainer,
|
|
SnackbarActionButtonContainer,
|
|
SnackbarCloseButtonContainer,
|
|
),
|
|
):
|
|
return super().add_widget(widget)
|
|
|
|
def on_open(self, *args) -> None:
|
|
"""Called when a snackbar opened."""
|
|
|
|
def on_dismiss(self, *args) -> None:
|
|
"""Called when a snackbar closed."""
|
|
|
|
|
|
class Snackbar(MDSnackbar):
|
|
"""
|
|
.. deprecated:: 1.2.0
|
|
Use :class:`~kivymd.uix.snackbar.MDSnackbar`
|
|
class instead.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
Logger.warning(
|
|
"KivyMD: "
|
|
"The `Snackbar` class has been deprecated. "
|
|
"Use the `MDSnackbar` class instead."
|
|
)
|