100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
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#!/usr/bin/env python3
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from tkinter import *
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from tkinter import ttk
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# --------------------------
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# Model
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# --------------------------
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class DoubleLight:
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def __init__(self):
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self.l1 = 1
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self.l2 = 0
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def switch(self):
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if self.l1 == 1:
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self.set_l2()
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else:
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self.set_l1()
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def set_l1(self):
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self.l1 = 1
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self.l2 = 0
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def set_l2(self):
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self.l1 = 0
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self.l2 = 1
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def print_status(self):
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print("l1: " + str(self.l1) + "| l2: " + str(self.l2))
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def get_active(self):
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if self.l1 == 1:
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return 1
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else:
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return 2
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# --------------------------
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# Controller
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# --------------------------
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class TwoLightsController:
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def __init__(self, app):
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self.app = app
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self.lights = DoubleLight()
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def switch_lights(self, event=None):
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self.lights.switch()
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self.update_view()
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def update_view(self):
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active_light = self.lights.get_active()
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self.app.change_light_display(active_light)
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# --------------------------
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# View / Main Application
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# --------------------------
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class TwoLightsApp(Tk):
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def __init__(self):
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super().__init__()
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self.controller = TwoLightsController(self)
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self.color1 = "dark green"
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self.color2 = "green yellow"
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self.create_widgets()
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self.create_lights(self.color1)
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self.bind_events()
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def create_widgets(self):
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mainframe = ttk.Frame(self, padding="3 3 3 3")
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mainframe.grid(column=0, row=0, sticky=N+W+S+E)
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self.columnconfigure(0, weight=1)
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self.rowconfigure(0, weight=1)
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button_switch = ttk.Button(mainframe, text="Schalte um", command=self.controller.switch_lights)
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button_switch.grid(column=0, row=0, sticky=W)
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light_canvas = Canvas(mainframe, width=50, height=50, background="black")
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light_canvas.grid(column=1, row=0, sticky=W)
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self.lc = light_canvas
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def create_lights(self, color="dark green"):
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self.light1 = self.lc.create_rectangle(5,5,25,45,fill=color)
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self.light2 = self.lc.create_rectangle(25,5,45,45,fill=color)
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self.controller.update_view()
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def bind_events(self):
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self.bind("<Return>", self.controller.switch_lights)
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def change_light_display(self, active_light):
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if active_light == 1:
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self.lc.itemconfig(self.light1, fill=self.color2)
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self.lc.itemconfig(self.light2, fill=self.color1)
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else:
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self.lc.itemconfig(self.light1, fill=self.color1)
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self.lc.itemconfig(self.light2, fill=self.color2)
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# --------------------------
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# Execution
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# --------------------------
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if __name__ == "__main__":
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app = TwoLightsApp()
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app.mainloop()
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