請幫忙修復腳本。如何從另一個對象調用一個對象?
import tkinter
import tkinter.messagebox
class Operations():
def new(self, parent):
global workArea
if workArea == True:
tkinter.messagebox.showwarning('Warning', 'New document is already open')
else:
self.new = WorkArea(parent)
workArea = True
def openFile(self):
global workArea
if workArea == True:
tkinter.messagebox.showwarning('Warning', 'Close the open document')
else:
try:
nameOpenFile = tkinter.filedialog.askopenfilename(title = 'Open textPad file', filetypes=[("textPad files", "*.tpd")])
except Exception:
pass
else:
try:
pointerFileOpened = open(nameOpenFile, 'rt')
except Exception:
tkinter.messagebox.showerror('Error', 'Open file error')
else:
self.new(root)
self.readFile(pointerFileOpened)
finally:
pointerFileOpened.close()
def readFile(self, pointerFileOpened):
while True:
line = pointerFileOpened.readline()
if len(line) == 0:
break
else:
self.new.insert(tkinter.END, line) #this is problem line
return
class WorkArea(tkinter.Frame):
def __init__(self, parent):
tkinter.Frame.__init__(self, parent)
self.parent = parent
self.makeWorkArea()
def makeWorkArea(self):
self.parent.title("My default workarea")
workArea = tkinter.Text(self.parent)
workArea.pack(expand = 'yes', fill = 'both')
class ToolBar(Operations, tkinter.Frame):
def __init__(self, parent):
tkinter.Frame.__init__(self, parent)
self.parent = parent
self.makeToolBar()
def makeToolBar(self):
frame = tkinter.Frame(self.parent)
frame.pack(side = 'top', fill = 'x')
tool1 = tkinter.Button(frame, text = 'New', command = lambda: self.new(root))
tool1.pack(side = 'left')
tool2 = tkinter.Button(frame, text = 'Open', command = lambda: self.openFile())
tool2.pack(side = 'left')
workArea = False
root = tkinter.Tk()
root.geometry('900x500+200+100')
toolBar = ToolBar(root)
root.mainloop()
用戶打開tpd文件後應該輸出到屏幕文件的內容。而是我得到一個錯誤信息:
File "C:\Python33\projects\TEXTPADS\textPad_OOP\q.py", line 32, in openFile self.readFile(pointerFileOpened) File "C:\Python33\projects\TEXTPADS\textPad_OOP\q.py", line 42, in readFile self.new.insert(tkinter.END, line) AttributeError: 'WorkArea' object has no attribute 'insert'
你的'WorkArea'類是一個'Frame'。你的意思是讓它成爲'文字'嗎?或者你的意思是'workArea.insert'?你的班級結構很奇怪...... –