116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
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# -*- coding: utf-8 -*-
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from collections import deque
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from kivy.animation import Animation
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from kivy.clock import Clock
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from kivy.core.window import Window
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from kivy.lang import Builder
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from kivy.metrics import dp
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from kivy.properties import ObjectProperty, StringProperty, NumericProperty
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from kivy.uix.relativelayout import RelativeLayout
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from kivymd.material_resources import DEVICE_TYPE
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Builder.load_string('''
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#:import Window kivy.core.window.Window
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#:import get_color_from_hex kivy.utils.get_color_from_hex
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#:import MDFlatButton kivymd.button.MDFlatButton
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#:import MDLabel kivymd.label.MDLabel
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#:import DEVICE_TYPE kivymd.material_resources.DEVICE_TYPE
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<_SnackbarWidget>
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canvas:
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Color:
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rgb: get_color_from_hex('323232')
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Rectangle:
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size: self.size
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size_hint_y: None
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size_hint_x: 1 if DEVICE_TYPE == 'mobile' else None
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height: dp(48) if _label.texture_size[1] < dp(30) else dp(80)
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width: dp(24) + _label.width + _spacer.width + root.padding_right if root.button_text == '' else dp(24) + \
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_label.width + _spacer.width + _button.width + root.padding_right
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top: 0
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x: 0 if DEVICE_TYPE == 'mobile' else Window.width/2 - self.width/2
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BoxLayout:
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width: Window.width - root.padding_right - _spacer.width - dp(24) if DEVICE_TYPE == 'mobile' and \
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root.button_text == '' else Window.width - root.padding_right - _button.width - _spacer.width - dp(24) \
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if DEVICE_TYPE == 'mobile' else _label.texture_size[0] if (dp(568) - root.padding_right - _button.width - \
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_spacer.width - _label.texture_size[0] - dp(24)) >= 0 else (dp(568) - root.padding_right - _button.width - \
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_spacer.width - dp(24))
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size_hint_x: None
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x: dp(24)
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MDLabel:
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id: _label
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text: root.text
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size: self.texture_size
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BoxLayout:
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id: _spacer
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size_hint_x: None
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x: _label.right
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width: 0
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MDFlatButton:
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id: _button
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text: root.button_text
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size_hint_x: None
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x: _spacer.right if root.button_text != '' else root.right
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center_y: root.height/2
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on_release: root.button_callback()
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''')
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class _SnackbarWidget(RelativeLayout):
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text = StringProperty()
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button_text = StringProperty()
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button_callback = ObjectProperty()
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duration = NumericProperty()
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padding_right = NumericProperty(dp(24))
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def __init__(self, text, duration, button_text='', button_callback=None,
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**kwargs):
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super(_SnackbarWidget, self).__init__(**kwargs)
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self.text = text
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self.button_text = button_text
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self.button_callback = button_callback
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self.duration = duration
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self.ids['_label'].text_size = (None, None)
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def begin(self):
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if self.button_text == '':
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self.remove_widget(self.ids['_button'])
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else:
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self.ids['_spacer'].width = dp(16) if \
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DEVICE_TYPE == "mobile" else dp(40)
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self.padding_right = dp(16)
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Window.add_widget(self)
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anim = Animation(y=0, duration=.3, t='out_quad')
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anim.start(self)
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Clock.schedule_once(lambda dt: self.die(), self.duration)
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def die(self):
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anim = Animation(top=0, duration=.3, t='out_quad')
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anim.bind(on_complete=lambda *args: _play_next(self))
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anim.bind(on_complete=lambda *args: Window.remove_widget(self))
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anim.start(self)
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queue = deque()
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playing = False
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def make(text, button_text=None, button_callback=None, duration=3):
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if button_text is not None and button_callback is not None:
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queue.append(_SnackbarWidget(text=text,
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button_text=button_text,
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button_callback=button_callback,
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duration=duration))
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else:
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queue.append(_SnackbarWidget(text=text,
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duration=duration))
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_play_next()
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def _play_next(dying_widget=None):
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global playing
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if (dying_widget or not playing) and len(queue) > 0:
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playing = True
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queue.popleft().begin()
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elif len(queue) == 0:
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playing = False
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