mirror of
https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-24 22:30:37 +01:00
613 lines
17 KiB
Python
Executable File
613 lines
17 KiB
Python
Executable File
"""
|
|
Components/Snackbar
|
|
===================
|
|
|
|
.. seealso::
|
|
|
|
`Material Design spec, Snackbars <https://material.io/components/snackbars>`_
|
|
|
|
.. 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
|
|
|
|
from kivy.lang import Builder
|
|
|
|
from kivymd.app import MDApp
|
|
|
|
KV = '''
|
|
#:import Snackbar kivymd.uix.snackbar.Snackbar
|
|
|
|
|
|
MDScreen:
|
|
|
|
MDRaisedButton:
|
|
text: "Create simple snackbar"
|
|
on_release: Snackbar(text="This is a snackbar!").open()
|
|
pos_hint: {"center_x": .5, "center_y": .5}
|
|
'''
|
|
|
|
|
|
class Test(MDApp):
|
|
def build(self):
|
|
return Builder.load_string(KV)
|
|
|
|
|
|
Test().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-simple.gif
|
|
:align: center
|
|
|
|
Usage with snackbar_x, snackbar_y
|
|
---------------------------------
|
|
|
|
.. code-block:: python
|
|
|
|
Snackbar(
|
|
text="This is a snackbar!",
|
|
snackbar_x="10dp",
|
|
snackbar_y="10dp",
|
|
size_hint_x=(
|
|
Window.width - (dp(10) * 2)
|
|
) / Window.width
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-padding.gif
|
|
:align: center
|
|
|
|
Control width
|
|
-------------
|
|
|
|
.. code-block:: python
|
|
|
|
Snackbar(
|
|
text="This is a snackbar!",
|
|
snackbar_x="10dp",
|
|
snackbar_y="10dp",
|
|
size_hint_x=.5
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-percent-width.png
|
|
:align: center
|
|
|
|
Custom text color
|
|
-----------------
|
|
|
|
.. code-block:: python
|
|
|
|
Snackbar(
|
|
text="[color=#ddbb34]This is a snackbar![/color]",
|
|
snackbar_y="10dp",
|
|
snackbar_y="10dp",
|
|
size_hint_x=.7
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-custom-color.png
|
|
:align: center
|
|
|
|
Usage with button
|
|
-----------------
|
|
|
|
.. code-block:: python
|
|
|
|
snackbar = Snackbar(
|
|
text="This is a snackbar!",
|
|
snackbar_x="10dp",
|
|
snackbar_y="10dp",
|
|
)
|
|
snackbar.size_hint_x = (
|
|
Window.width - (snackbar.snackbar_x * 2)
|
|
) / Window.width
|
|
snackbar.buttons = [
|
|
MDFlatButton(
|
|
text="UPDATE",
|
|
text_color=(1, 1, 1, 1),
|
|
on_release=snackbar.dismiss,
|
|
),
|
|
MDFlatButton(
|
|
text="CANCEL",
|
|
text_color=(1, 1, 1, 1),
|
|
on_release=snackbar.dismiss,
|
|
),
|
|
]
|
|
snackbar.open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-button.png
|
|
:align: center
|
|
|
|
Using a button with custom color
|
|
--------------------------------
|
|
|
|
.. code-block:: python
|
|
|
|
Snackbar(
|
|
...
|
|
bg_color=(0, 0, 1, 1),
|
|
).open()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-button-custom-color.png
|
|
:align: center
|
|
|
|
Custom usage
|
|
------------
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
from kivy.animation import Animation
|
|
from kivy.clock import Clock
|
|
from kivy.metrics import dp
|
|
|
|
from kivymd.app import MDApp
|
|
from kivymd.uix.snackbar import Snackbar
|
|
|
|
|
|
KV = '''
|
|
MDScreen:
|
|
|
|
MDFloatingActionButton:
|
|
id: button
|
|
x: root.width - self.width - dp(10)
|
|
y: dp(10)
|
|
on_release: app.snackbar_show()
|
|
'''
|
|
|
|
|
|
class Test(MDApp):
|
|
def __init__(self, **kwargs):
|
|
super().__init__(**kwargs)
|
|
self.screen = Builder.load_string(KV)
|
|
self.snackbar = None
|
|
self._interval = 0
|
|
|
|
def build(self):
|
|
return self.screen
|
|
|
|
def wait_interval(self, interval):
|
|
self._interval += interval
|
|
if self._interval > self.snackbar.duration + 0.5:
|
|
anim = Animation(y=dp(10), d=.2)
|
|
anim.start(self.screen.ids.button)
|
|
Clock.unschedule(self.wait_interval)
|
|
self._interval = 0
|
|
self.snackbar = None
|
|
|
|
def snackbar_show(self):
|
|
if not self.snackbar:
|
|
self.snackbar = Snackbar(text="This is a snackbar!")
|
|
self.snackbar.open()
|
|
anim = Animation(y=dp(72), d=.2)
|
|
anim.bind(on_complete=lambda *args: Clock.schedule_interval(
|
|
self.wait_interval, 0))
|
|
anim.start(self.screen.ids.button)
|
|
|
|
|
|
Test().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-custom-usage.gif
|
|
:align: center
|
|
|
|
Custom Snackbar
|
|
---------------
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
from kivy.core.window import Window
|
|
from kivy.properties import StringProperty, NumericProperty
|
|
|
|
from kivymd.app import MDApp
|
|
from kivymd.uix.button import MDFlatButton
|
|
from kivymd.uix.snackbar import BaseSnackbar
|
|
|
|
KV = '''
|
|
<CustomSnackbar>
|
|
|
|
MDIconButton:
|
|
pos_hint: {'center_y': .5}
|
|
icon: root.icon
|
|
opposite_colors: True
|
|
|
|
MDLabel:
|
|
id: text_bar
|
|
size_hint_y: None
|
|
height: self.texture_size[1]
|
|
text: root.text
|
|
font_size: root.font_size
|
|
theme_text_color: 'Custom'
|
|
text_color: 'ffffff'
|
|
shorten: True
|
|
shorten_from: 'right'
|
|
pos_hint: {'center_y': .5}
|
|
|
|
|
|
MDScreen:
|
|
|
|
MDRaisedButton:
|
|
text: "SHOW"
|
|
pos_hint: {"center_x": .5, "center_y": .45}
|
|
on_press: app.show()
|
|
'''
|
|
|
|
|
|
class CustomSnackbar(BaseSnackbar):
|
|
text = StringProperty(None)
|
|
icon = StringProperty(None)
|
|
font_size = NumericProperty("15sp")
|
|
|
|
|
|
class Test(MDApp):
|
|
def build(self):
|
|
return Builder.load_string(KV)
|
|
|
|
def show(self):
|
|
snackbar = CustomSnackbar(
|
|
text="This is a snackbar!",
|
|
icon="information",
|
|
snackbar_x="10dp",
|
|
snackbar_y="10dp",
|
|
buttons=[MDFlatButton(text="ACTION", text_color=(1, 1, 1, 1))]
|
|
)
|
|
snackbar.size_hint_x = (
|
|
Window.width - (snackbar.snackbar_x * 2)
|
|
) / Window.width
|
|
snackbar.open()
|
|
|
|
|
|
Test().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/snackbar-custom.png
|
|
:align: center
|
|
"""
|
|
|
|
__all__ = ("Snackbar", "BaseSnackbar")
|
|
|
|
import os
|
|
|
|
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.button import BaseButton
|
|
from kivymd.uix.card import MDCard
|
|
|
|
with open(
|
|
os.path.join(uix_path, "snackbar", "snackbar.kv"), encoding="utf-8"
|
|
) as kv_file:
|
|
Builder.load_string(kv_file.read())
|
|
|
|
|
|
class BaseSnackbar(MDCard):
|
|
"""
|
|
:Events:
|
|
:attr:`on_open`
|
|
Called when a dialog is opened.
|
|
:attr:`on_dismiss`
|
|
When the front layer rises.
|
|
|
|
Abstract base class for all Snackbars.
|
|
This class handles sizing, positioning, shape and events for Snackbars
|
|
|
|
All Snackbars will be made off of this `BaseSnackbar`.
|
|
|
|
`BaseSnackbar` will always try to fill the remainder of the screen with
|
|
your Snackbar.
|
|
|
|
To make your Snackbar dynamic and symetric with snackbar_x.
|
|
|
|
Set size_hint_x like below:
|
|
|
|
.. code-block:: python
|
|
|
|
size_hint_z = (
|
|
Window.width - (snackbar_x * 2)
|
|
) / Window.width
|
|
"""
|
|
|
|
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'`.
|
|
"""
|
|
|
|
bg_color = ColorProperty(None)
|
|
"""
|
|
Snackbar background.
|
|
|
|
:attr:`bg_color` is a :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
buttons = ListProperty()
|
|
"""
|
|
Snackbar buttons.
|
|
|
|
:attr:`buttons` is a :class:`~kivy.properties.ListProperty`
|
|
and defaults to `'[]'`
|
|
"""
|
|
|
|
radius = ListProperty([5, 5, 5, 5])
|
|
"""
|
|
Snackbar radius.
|
|
|
|
:attr:`radius` is a :class:`~kivy.properties.ListProperty`
|
|
and defaults to `'[5, 5, 5, 5]'`
|
|
"""
|
|
|
|
snackbar_animation_dir = OptionProperty(
|
|
"Bottom",
|
|
options=["Top", "Bottom", "Left", "Right"],
|
|
)
|
|
"""
|
|
Snackbar animation direction.
|
|
|
|
Available options are: `"Top"`, `"Bottom"`, `"Left"`, `"Right"`
|
|
|
|
:attr:`snackbar_animation_dir` is an :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `'Bottom'`.
|
|
"""
|
|
|
|
snackbar_x = NumericProperty("0dp")
|
|
"""
|
|
The snackbar x position in the screen
|
|
|
|
:attr:`snackbar_x` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0dp`.
|
|
"""
|
|
|
|
snackbar_y = NumericProperty("0dp")
|
|
"""
|
|
The snackbar x position in the screen
|
|
|
|
:attr:`snackbar_y` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0dp`.
|
|
"""
|
|
|
|
_interval = 0
|
|
|
|
def __init__(self, **kwargs):
|
|
super().__init__(**kwargs)
|
|
self.register_event_type("on_open")
|
|
self.register_event_type("on_dismiss")
|
|
|
|
def dismiss(self, *args):
|
|
"""Dismiss the snackbar."""
|
|
|
|
def dismiss(interval):
|
|
if self.snackbar_animation_dir == "Top":
|
|
anim = Animation(y=(Window.height + self.height), d=0.2)
|
|
elif self.snackbar_animation_dir == "Left":
|
|
anim = Animation(x=-self.width, d=0.2)
|
|
elif self.snackbar_animation_dir == "Right":
|
|
anim = Animation(x=Window.width, d=0.2)
|
|
else:
|
|
anim = Animation(y=-self.height, d=0.2)
|
|
|
|
anim.bind(
|
|
on_complete=lambda *args: Window.parent.remove_widget(self)
|
|
)
|
|
anim.start(self)
|
|
|
|
Clock.schedule_once(dismiss, 0.5)
|
|
self.dispatch("on_dismiss")
|
|
|
|
def open(self):
|
|
"""Show the snackbar."""
|
|
|
|
def wait_interval(interval):
|
|
self._interval += interval
|
|
if self._interval > self.duration:
|
|
self.dismiss()
|
|
Clock.unschedule(wait_interval)
|
|
self._interval = 0
|
|
|
|
for c in Window.parent.children:
|
|
if isinstance(c, BaseSnackbar):
|
|
return
|
|
|
|
if self.snackbar_y > (Window.height - self.height):
|
|
self.snackbar_y = Window.height - self.height
|
|
|
|
self._calc_radius()
|
|
|
|
if self.size_hint_x == 1:
|
|
self.size_hint_x = (Window.width - self.snackbar_x) / Window.width
|
|
|
|
if (
|
|
self.snackbar_animation_dir == "Top"
|
|
or self.snackbar_animation_dir == "Bottom"
|
|
):
|
|
self.x = self.snackbar_x
|
|
|
|
if self.snackbar_animation_dir == "Top":
|
|
self.y = Window.height + self.height
|
|
else:
|
|
self.y = -self.height
|
|
|
|
Window.parent.add_widget(self)
|
|
|
|
if self.snackbar_animation_dir == "Top":
|
|
anim = Animation(
|
|
y=self.snackbar_y
|
|
if self.snackbar_y != 0
|
|
else Window.height - self.height,
|
|
d=0.2,
|
|
)
|
|
else:
|
|
anim = Animation(
|
|
y=self.snackbar_y if self.snackbar_y != 0 else 0, d=0.2
|
|
)
|
|
|
|
elif (
|
|
self.snackbar_animation_dir == "Left"
|
|
or self.snackbar_animation_dir == "Right"
|
|
):
|
|
self.y = self.snackbar_y
|
|
|
|
if self.snackbar_animation_dir == "Left":
|
|
self.x = -Window.width
|
|
else:
|
|
self.x = Window.width
|
|
|
|
Window.parent.add_widget(self)
|
|
anim = Animation(
|
|
x=self.snackbar_x if self.snackbar_x != 0 else 0, d=0.2
|
|
)
|
|
|
|
if self.auto_dismiss:
|
|
anim.bind(
|
|
on_complete=lambda *args: Clock.schedule_interval(
|
|
wait_interval, 0
|
|
)
|
|
)
|
|
anim.start(self)
|
|
self.dispatch("on_open")
|
|
|
|
def on_open(self, *args):
|
|
"""Called when a dialog is opened."""
|
|
|
|
def on_dismiss(self, *args):
|
|
"""Called when the dialog is closed."""
|
|
|
|
def on_buttons(self, instance, value):
|
|
def on_buttons(interval):
|
|
for button in value:
|
|
if issubclass(button.__class__, (BaseButton,)):
|
|
self.add_widget(button)
|
|
else:
|
|
raise ValueError(
|
|
f"The {button} object must be inherited from the base class <BaseButton>"
|
|
)
|
|
|
|
Clock.schedule_once(on_buttons)
|
|
|
|
def _calc_radius(self):
|
|
if (
|
|
self.snackbar_animation_dir == "Top"
|
|
or self.snackbar_animation_dir == "Bottom"
|
|
):
|
|
|
|
if self.snackbar_y == 0 and self.snackbar_x == 0:
|
|
|
|
if self.size_hint_x == 1:
|
|
self.radius = [0, 0, 0, 0]
|
|
else:
|
|
if self.snackbar_animation_dir == "Top":
|
|
self.radius = [0, 0, self.radius[2], 0]
|
|
else:
|
|
self.radius = [0, self.radius[1], 0, 0]
|
|
|
|
elif self.snackbar_y != 0 and self.snackbar_x == 0:
|
|
|
|
if self.size_hint_x == 1:
|
|
self.radius = [0, 0, 0, 0]
|
|
else:
|
|
if self.snackbar_y >= Window.height - self.height:
|
|
self.radius = [0, 0, self.radius[2], 0]
|
|
else:
|
|
self.radius = [0, self.radius[1], self.radius[2], 0]
|
|
|
|
elif self.snackbar_y == 0 and self.snackbar_x != 0:
|
|
|
|
if self.size_hint_x == 1:
|
|
if self.snackbar_animation_dir == "Top":
|
|
self.radius = [0, 0, 0, self.radius[3]]
|
|
else:
|
|
self.radius = [self.radius[0], 0, 0, 0]
|
|
else:
|
|
if self.snackbar_animation_dir == "Top":
|
|
self.radius = [0, 0, self.radius[2], self.radius[3]]
|
|
else:
|
|
self.radius = [self.radius[0], self.radius[1], 0, 0]
|
|
|
|
else: # self.snackbar_y != 0 and self.snackbar_x != 0
|
|
|
|
if self.size_hint_x == 1:
|
|
self.radius = [self.radius[0], 0, 0, self.radius[3]]
|
|
elif self.snackbar_y >= Window.height - self.height:
|
|
self.radius = [0, 0, self.radius[2], self.radius[3]]
|
|
|
|
elif (
|
|
self.snackbar_animation_dir == "Left"
|
|
or self.snackbar_animation_dir == "Right"
|
|
):
|
|
|
|
if self.snackbar_y == 0 and self.snackbar_x == 0:
|
|
|
|
if self.size_hint_x == 1:
|
|
self.radius = [0, 0, 0, 0]
|
|
else:
|
|
self.radius = [0, self.radius[1], 0, 0]
|
|
|
|
elif self.snackbar_y != 0 and self.snackbar_x == 0:
|
|
|
|
if self.size_hint_x == 1:
|
|
self.radius = [0, 0, 0, 0]
|
|
else:
|
|
self.radius = [0, self.radius[1], self.radius[2], 0]
|
|
|
|
elif self.snackbar_y == 0 and self.snackbar_x != 0:
|
|
|
|
if self.size_hint_x == 1:
|
|
self.radius = [self.radius[0], 0, 0, 0]
|
|
else:
|
|
self.radius = [self.radius[0], self.radius[1], 0, 0]
|
|
|
|
else: # self.snackbar_y != 0 and self.snackbar_x != 0
|
|
|
|
if self.size_hint_x == 1:
|
|
if self.snackbar_y >= Window.height - self.height:
|
|
self.radius = [0, 0, 0, self.radius[3]]
|
|
else:
|
|
self.radius = [self.radius[0], 0, 0, self.radius[3]]
|
|
elif self.snackbar_y >= Window.height - self.height:
|
|
self.radius = [0, 0, self.radius[2], self.radius[3]]
|
|
|
|
|
|
class Snackbar(BaseSnackbar):
|
|
"""
|
|
Snackbar inherits all its functionality from `BaseSnackbar`
|
|
"""
|
|
|
|
text = StringProperty()
|
|
"""
|
|
The text that will appear in the snackbar.
|
|
|
|
:attr:`text` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `''`.
|
|
"""
|
|
|
|
font_size = NumericProperty("15sp")
|
|
"""
|
|
The font size of the text that will appear in the snackbar.
|
|
|
|
:attr:`font_size` is a :class:`~kivy.properties.NumericProperty` and
|
|
defaults to `'15sp'`.
|
|
"""
|