我已经建立了一个简单的待办事项清单,并且我试图获取该复选框以在选中该复选框时将其自身删除(以表示该任务已完成)。
我不确定如何将其删除才能实现该功能。谁能帮我这个忙。我已经浏览了页面列表,但没有一个页面真正表明您如何执行此操作。
class App(object):
def __init__(self, master):
self.master = master
self.frame = Frame(master)
self.frame.grid()
self.addFrame = Frame(master)
self.addFrame.grid(row=0, column=0, columnspan=2, sticky='N')
self.listFrame = Frame(master)
self.listFrame.grid(row=1, column=0, columnspan=2, sticky='NW')
self.todoList = []
self.initUI()
def initUI(self):
self.entryBox = Entry(self.frame, width = 15)
self.entryBox.grid(row=0, column=0, sticky='N')
self.addButton = Button(self.frame, text="<-ADD->", command=self.add)
self.addButton.grid(row=0, column=1, sticky='N')
def removeCheckButton(self):
# - CONFUSED HOW TO REMOVE THE SPECIFIC CHECKBUTTON
pass
def add(self):
entry = self.entryBox.get()
self.entryBox.delete(0, END)
self.todoList.append(entry)
print self.todoList
var1 = IntVar()
self.buttonList = []
for n in range(len(self.todoList)):
lx = Checkbutton(self.listFrame, text=self.todoList[n], variable=self.todoList[n], command=removeCheckButton)
lx.grid(row=n, column=0, sticky='NW')
self.buttonList.append(lx)
print self.buttonList
看看这个。您的add
设计有点奇怪(IMO也不正确),所以我对它以及其他部分进行了一些修改。
from tkinter import *
class App(object):
def __init__(self, master):
self.master = master
self.frame = Frame(master)
self.frame.grid()
self.addFrame = Frame(master)
self.addFrame.grid(row=0, column=0, columnspan=2, sticky='N')
self.listFrame = Frame(master)
self.listFrame.grid(row=1, column=0, columnspan=2, sticky='NW')
self.todoList = []
self.buttonList = [] #<--- button list is here now
self.initUI()
def initUI(self):
self.entryBox = Entry(self.frame, width = 15)
self.entryBox.grid(row=0, column=0, sticky='N')
self.addButton = Button(self.frame, text="<-ADD->", command=self.add)
self.addButton.grid(row=0, column=1, sticky='N')
def removeCheckButton(self, button_no):
# - CONFUSED HOW TO REMOVE THE SPECIFIC CHECKBUTTON
# print(button_no, self.buttonList[button_no])
#self.buttonList[button_no].grid_forget()
self.buttonList[button_no].destroy()
# del self.buttonList[button_no]
# del self.todoList[button_no]
def add(self):
entry = self.entryBox.get()
self.entryBox.delete(0, END)
self.todoList.append(entry)
print(self.todoList)
var1 = IntVar()
#self.buttonList = [] #<--- not sense having this here
# for n in range(len(self.todoList)): #<-- this for also very strange here.
n = len(self.buttonList)
lx = Checkbutton(self.listFrame,
text=self.todoList[n],
variable=self.todoList[n],
command=lambda ni=n: self.removeCheckButton(ni))
lx.grid(row=n, column=0, sticky='NW')
self.buttonList.append(lx)
# print(self.buttonList)
root = Tk()
app = App(root)
root.mainloop()
PS我使用python 3,但是除了import part
,代码应该为您执行。可能需要更多修复,但是复选框现在已按预期方式销毁。
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