93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
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# -*- coding: utf-8 -*-
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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 OptionProperty, NumericProperty, StringProperty, \
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BooleanProperty, ListProperty
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from kivy.uix.boxlayout import BoxLayout
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from kivy.uix.relativelayout import RelativeLayout
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Builder.load_string("""
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#: import Window kivy.core.window.Window
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<SlidingPanel>
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orientation: 'vertical'
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size_hint_x: None
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width: dp(320)
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x: -1 * self.width if self.side == 'left' else Window.width
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<PanelShadow>
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canvas:
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Color:
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rgba: root.color
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Rectangle:
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size: root.size
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""")
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class PanelShadow(BoxLayout):
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color = ListProperty([0, 0, 0, 0])
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class SlidingPanel(BoxLayout):
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anim_length_close = NumericProperty(0.3)
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anim_length_open = NumericProperty(0.3)
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animation_t_open = StringProperty('out_sine')
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animation_t_close = StringProperty('out_sine')
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side = OptionProperty('left', options=['left', 'right'])
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_open = False
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def __init__(self, **kwargs):
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super(SlidingPanel, self).__init__(**kwargs)
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self.shadow = PanelShadow()
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Clock.schedule_once(lambda x: Window.add_widget(self.shadow,89), 0)
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Clock.schedule_once(lambda x: Window.add_widget(self,90), 0)
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def toggle(self):
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Animation.stop_all(self, 'x')
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Animation.stop_all(self.shadow, 'color')
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if self._open:
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if self.side == 'left':
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target_x = -1 * self.width
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else:
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target_x = Window.width
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sh_anim = Animation(duration=self.anim_length_open,
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t=self.animation_t_open,
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color=[0, 0, 0, 0])
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sh_anim.start(self.shadow)
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self._get_main_animation(duration=self.anim_length_close,
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t=self.animation_t_close,
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x=target_x,
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is_closing=True).start(self)
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self._open = False
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else:
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if self.side == 'left':
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target_x = 0
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else:
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target_x = Window.width - self.width
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Animation(duration=self.anim_length_open, t=self.animation_t_open,
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color=[0, 0, 0, 0.5]).start(self.shadow)
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self._get_main_animation(duration=self.anim_length_open,
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t=self.animation_t_open,
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x=target_x,
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is_closing=False).start(self)
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self._open = True
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def _get_main_animation(self, duration, t, x, is_closing):
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return Animation(duration=duration, t=t, x=x)
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def on_touch_down(self, touch):
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# Prevents touch events from propagating to anything below the widget.
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super(SlidingPanel, self).on_touch_down(touch)
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if self.collide_point(*touch.pos) or self._open:
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return True
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def on_touch_up(self, touch):
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if not self.collide_point(touch.x, touch.y) and self._open:
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self.toggle()
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return True
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super(SlidingPanel, self).on_touch_up(touch)
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