make views combineable

frontend/views/base.py

@@ -1,32 +1,18 @@
-from tkinter import ttk, Frame, Canvas
-from PIL import Image, ImageDraw
-from tkinter import PhotoImage
-import io
+from PIL import Image
+class View:
 
-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.size = (168, 144)
-        self.center = (168 // 2, 144 // 2)
+    def __init__(self, parent, size, center, **kwargs):
+        self.size = size
+        self.center = center
         self.bkg_im = self._init_im()
-        self._init_ui()
 
-        self.canvas = Canvas(self, width=168, height=144, background='white',
-                             highlightthickness=1, highlightbackground="black")
-        self.canvas.pack()
+        self.ui = None
+        self.init_ui(parent)
+
+        self.update_weight(0.0)
 
-        self.refresh(0.0)
     
-    def _init_ui(self):
+    def init_ui(self, parent):
         pass
 
     def _init_im(self):
@@ -35,17 +21,3 @@ class View(Frame):
     def update_weight(self,
                       weight: float) -> None:
         raise NotImplementedError()
-    
-    def refresh(self, weight: float):
-        # draw weight on bkg_im
-        im = self.update_weight(weight)
-
-        # Convert PIL image to bytes
-        buffer = io.BytesIO()
-        im.save(buffer, format='PNG')
-        buffer.seek(0)
-        
-        # Load into PhotoImage and display on canvas
-        self.photo = PhotoImage(data=buffer.getvalue())
-        self.canvas.delete("all")
-        self.canvas.create_image(0, 0, anchor="nw", image=self.photo)