46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
import tkinter as tk
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from tkinter import ttk
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from .base import View
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class CircleView(View):
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def _init_canvas(self):
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self.target_r = self.center[0] - 10
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self.draw_circle(self.center[0], self.center[1],
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self.target_r,
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outline="#000000")
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self.target_frame = tk.Frame(self.actions)
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self.target_frame.pack()
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self.target_label = ttk.Label(self.target_frame, text="Target (g)")
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self.target_label.pack(side=tk.LEFT)
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self.target = ttk.Entry(self.target_frame)
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self.target.insert(0, 100.0)
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self.target.pack(side=tk.LEFT)
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def draw_circle(self, x, y, r, **kwargs):
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self.canvas.create_oval(x-r, y-r, x+r, y+r, **kwargs)
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def update_weight(self, weight):
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self.canvas.delete("all")
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weight_r = 0.0
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try:
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target = float(self.target.get())
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weight_r = weight / target * self.target_r
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self.draw_circle(self.center[0], self.center[1],
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weight_r,
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fill="#000000")
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except:
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pass
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finally:
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target_outline = "#000000"
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if weight_r > self.target_r:
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target_outline = "#FFFFFF"
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self.draw_circle(self.center[0], self.center[1],
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self.target_r,
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outline=target_outline)
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