from tkinter import ttk, Frame, Canvas

class View(Frame):

    def __init__(self, *args, tare_command=None, calibrate_command=None, **kwargs):
        super().__init__(*args, **kwargs)

        self.actions = Frame(self)
        self.actions.pack()
        # self.calibrate_button = ttk.Button(self.actions, text="Calibrate", command=calibrate_command)
        # self.calibrate_button.pack()
        self.tare_button = ttk.Button(self.actions, text="Tare", command=tare_command)
        self.tare_button.pack()
        
        self.canvas = Canvas(self, width=144, height=168, background='white')
        self.canvas.pack()

        self._init_canvas()

    def _init_canvas(self):
        raise NotImplementedError()
    
    def update_weight(self, weight: float):
        raise NotImplementedError()