slidingpanel.py 文件源码

def toggle(self):
        Animation.stop_all(self, 'x')
        Animation.stop_all(self.shadow, 'color')
        if self._open:
            if self.side == 'left':
                target_x = -1 * self.width
            else:
                target_x = Window.width

            sh_anim = Animation(duration=self.anim_length_open,
                                t=self.animation_t_open,
                                color=[0, 0, 0, 0])
            sh_anim.start(self.shadow)
            self._get_main_animation(duration=self.anim_length_close,
                                     t=self.animation_t_close,
                                     x=target_x,
                                     is_closing=True).start(self)
            self._open = False
        else:
            if self.side == 'left':
                target_x = 0
            else:
                target_x = Window.width - self.width
            Animation(duration=self.anim_length_open, t=self.animation_t_open,
                      color=[0, 0, 0, 0.5]).start(self.shadow)
            self._get_main_animation(duration=self.anim_length_open,
                                     t=self.animation_t_open,
                                     x=target_x,
                                     is_closing=False).start(self)
            self._open = True