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我的一門課程對tkinter進行了通過引用，它超出了介紹課程的範圍。它激起了我的好奇心，我想更深入地挖掘它。Python - tkinter - 動態複選框
我有基本的東西 - 我可以讓複選框出現在我想要的地方，但我想讓它更加動態/ pythonic。
第1列 - 應始終顯示所有複選框。這按預期工作。 第2列 - 只顯示第一個複選框，如果點擊它，則會顯示附加的4個複選框。當單擊這4個複選框中的任何一個時，它應該在UI底部的文本框中顯示一條消息。
當我點擊第二欄目前焦點課程的複選框時，他們什麼都不做。此外，通常隱藏的ABC 702複選框似乎在選中核心課程複選框時隨機出現。我無法弄清楚爲什麼。
from tkinter import *
class Application(Frame):
def __init__(self, master):
Frame.__init__(self, master)
self.grid()
self.create_widgets()
# self.grid()
# self.create_widgets()
def create_widgets(self):
Label(self, text="How many of the core courses have you completed so far?"
).grid(row=1, column=0, sticky=W)
self.checkBoxA = BooleanVar()
Checkbutton(self,
text="ABC 501",
variable=self.checkBoxA,
command=self.update_text
).grid(row=2, column=0, sticky=W)
self.checkBoxB = BooleanVar()
Checkbutton(self,
text="ABC 502",
variable=self.checkBoxB,
command=self.update_text
).grid(row=3, column=0, sticky=W)
self.checkBoxC = BooleanVar()
Checkbutton(self,
text="ABC 601",
variable=self.checkBoxC,
command=self.update_text
).grid(row=4, column=0, sticky=W)
self.checkBoxD = BooleanVar()
Checkbutton(self,
text="ABC 602",
variable=self.checkBoxD,
command=self.update_text
).grid(row=5, column=0, sticky=W)
self.checkBoxE = BooleanVar()
Checkbutton(self,
text="ABC 603",
variable=self.checkBoxE,
command=self.update_text
).grid(row=6, column=0, sticky=W)
self.checkBoxF = BooleanVar()
Checkbutton(self,
text="ABC 701",
variable=self.checkBoxF,
command=self.update_text
).grid(row=7, column=0, sticky=W)
self.results_txt = Text(self, width=80, height=10, wrap=WORD)
self.results_txt.grid(row=8, column=0, columnspan=3)
Label(self, text="Which focus are you enrolled in?"
).grid(row=1, column=1, sticky=W)
self.checkBoxF1 = BooleanVar()
Checkbutton(self,
text="Focus #1",
variable=self.checkBoxF1,
command=self.update_text
).grid(row=2, column=1, sticky=W)
# if self.checkBoxF1.get():
# self.checkBoxF1A = BooleanVar()
# Checkbutton(self,
# text="ABC 503",
# variable=self.checkBoxF1A,
# command=self.update_text
# ).grid(row=3, column=1, sticky=W)
def update_text(self):
courses = ""
counter = 0
focusCounter = 0
##The checkboxes for the focus courses do not display text at the bottom
##The ABC 702 checkbox randomly appears when clicking core courses
##Is this related to reusing self vs creating another attribute?
if self.checkBoxF1.get():
self.checkBoxF1A = BooleanVar()
Checkbutton(self,
text="ABC 503",
variable=self.checkBoxF1A,
command=self.update_text
).grid(row=3, column=1, sticky=W)
self.checkBoxF1B = BooleanVar()
Checkbutton(self,
text="ABC 504",
variable=self.checkBoxF1B,
command=self.update_text
).grid(row=4, column=1, sticky=W)
self.checkBoxF1C = BooleanVar()
Checkbutton(self,
text="ABC 505",
variable=self.checkBoxF1C,
command=self.update_text
).grid(row=5, column=1, sticky=W)
self.checkBoxF1D = BooleanVar()
Checkbutton(self,
text="ABC 702",
variable=self.checkBoxF1D,
command=self.update_text
).grid(row=6, column=1, sticky=W)
if self.checkBoxA.get():
courses += "Introductory class \n"
counter += 1
if self.checkBoxB.get():
courses += "Next level class description \n"
counter += 1
if self.checkBoxC.get():
courses += "Core class #3 \n"
counter += 1
if self.checkBoxD.get():
courses += "Another core class \n"
counter += 1
if self.checkBoxE.get():
courses += "A higher level class \n"
counter += 1
if self.checkBoxF.get():
courses += "An advanced class \n"
counter += 1
if self.checkBoxF1A.get():
specialty = "Focused class #1"
focusCounter += 1
if self.checkBoxF1B.get():
specialty = "Focused class #2"
focusCounter += 1
if self.checkBoxF1C.get():
specialty = "Focused class #3"
focusCounter += 1
if self.checkBoxF1D.get():
specialty = "Focused class #4"
focusCounter += 1
self.results_txt.delete(0.0, END)
self.results_txt.insert(0.0, courses)
if focusCounter > 0: #this means the user selected at least 1 focus course
self.results_txt.insert(0.0, specialty)
if counter == 6:
congrats = ("\n Congratulations on completing all of your core courses! \n \n")
self.results_txt.insert(0.0, congrats)
# print(focusCounter)
root = Tk()
root.title("This is where the title goes")
app = Application(root)
root.mainloop()