class Application(Frame):
running = False
def __init__(self, master=None):
"""The constructor"""
Frame.__init__(self, master)
self.create_widgets()
self.refresh_rate = 5
def create_widgets(self):
"""Create all the buttons and other widgets"""
self.master.title("DVD Simulation")
padding = {'padx': 5, 'pady': 5}
self.pack(anchor=NW, fill=X, expand=1, **padding)
# The frame for all the buttons, and the buttons themselves
control_frame = Frame(self, relief=RAISED, borderwidth=1)
control_frame.pack(anchor=N)
btn = Button(control_frame, text="New", command=self.new)
btn.pack(anchor=NW, side=LEFT, **padding)
btn = Button(control_frame, text="Play", command=self.play)
btn.pack(anchor=NW, side=LEFT, **padding)
btn = Button(control_frame, text="Pause", command=self.pause)
btn.pack(anchor=NW, side=LEFT, **padding)
btn = Button(control_frame, text="Step", command=self.step)
btn.pack(anchor=NW, side=LEFT, **padding)
btn = Button(control_frame, text="Stop", command=self.stop)
btn.pack(anchor=NW, side=LEFT, **padding)
btn = Button(control_frame, text="Exit", command=self.exit)
btn.pack(anchor=NW, side=LEFT, **padding)
self.seed_entry = Entry(control_frame)
self.seed_entry.pack(anchor=NW, side=LEFT, **padding)
self.seed_label = Label(control_frame, font=("Arial", 10))
self.seed_label.pack(anchor=NW, side=LEFT, **padding)
# The frame for the machine stats (and now also for the factory stats)
stat_frame = Frame(self)
stat_frame.pack(anchor=NW, fill=BOTH, expand=1)
# The factory stats
self.output = Label(stat_frame, text=self.facstr(), font=("Arial", 10))
self.output.pack(anchor=NW, side=LEFT, **padding)
# The machine stats
self.machinesA = Label(stat_frame, text='Machine statistics: A')
self.machinesA.pack(anchor=NW, side=LEFT, **padding)
self.machinesB = Label(stat_frame, text='B')
self.machinesB.pack(anchor=NW, side=LEFT, **padding)
self.machinesC = Label(stat_frame, text='C')
self.machinesC.pack(anchor=NW, side=LEFT, **padding)
self.machinesD = Label(stat_frame, text='D')
self.machinesD.pack(anchor=NW, side=LEFT, **padding)
@property
def seed(self):
return self._seed
@seed.setter
def seed(self, value):
self._seed = value
self.seed_label.config(font=("Arial", 10), text='current seed: ' + str(value))
def new(self):
self.stop()
# If necessary, we can phone an extra repair guy, so we can just pick 11,8.
# In practise this doesnt matter, as we are never short of repair guys.
self.seed = self.seed_entry.get() or random.random()
self.factory = Factory(11, 8, 20, 20, 20, 20, self.seed, 366*24*60*60)#604800)
self.running = True
sim_thread = Thread(target=self.factory.start)
stats_thread = Thread(target=self.print_stats)
sim_thread.start()
stats_thread.start()
def play(self):
if self.running:
self.factory.running = True
def pause(self):
if self.running:
self.factory.running = False
def step(self):
if self.running:
self.factory.step()
def stop(self):
if self.running:
self.running = False
self.factory.stop()
def exit(self):
self.stop()
self.quit()
def print_stats(self):
while self.running:
# Machine A-D
mtypes = [machines.MachineA, machines.MachineB, machines.MachineC, machines.MachineD]
mlabels = [self.machinesA, self.machinesB, self.machinesC, self.machinesD]
for i in range(4):
mtype = mtypes[i]
messages = []
for machine in self.factory.machines:
if mtype == machine.__class__:
text = [mtype.__name__ + ':']
for key, value in sorted(machine.stats.items()):
text.append(' {}: {}'.format(key, value))
messages.append('\n'.join(text))
mlabels[i].config(font=("Arial", 10), text='\n\n'.join(messages))
# Factory
messages = [self.facstr()]
for key, value in sorted(self.factory.stats.items()):
if key[0] == 'Q':
messages.append('\n{}: {}'.format(key, value))
else:
messages.insert(1, ' {}: {}'.format(key, value))
self.write('\n'.join(messages))
sleep(1 / self.refresh_rate)
def write(self, message):
self.output.config(font=("Arial", 10), text=message)
@staticmethod
def facstr():
return 'Factory statistics:' + ''.join([' ' for _ in range(60)])
