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python 文本编辑器 #12
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`import sys,tkFileDialog,os
from Tkinter import*
class Note():
def init(self):
self.fname=None; #GUI document addr
self.tk=Tk()
self.createUI()
self.tk.mainloop()
def createUI(self):
menubar=Menu(self.tk)
fmenu=Menu(menubar,tearoff=0)
fmenu.add_command(label='Open',command=self.open) #bind menu and function
fmenu.add_command(label='Save',command=self.save)
fmenu.add_command(label='Exit',command=exit)
menubar.add_cascade(label="File",menu=fmenu)
self.tk.config(menu=menubar)
self.text=Text()
self.text.pack()
def save(self):
print 'save file'
txtContent = self.text.get(1.0,END)
self.saveFile(content=txtContent)
def open(self):
print 'open file'
self.filename=tkFileDialog.askopenfilename(initialdir = os.getcwd())
filecontent=self.openFile(fname=self.filename)
if filecontent is not -1:
self.text.delete(1.0,END)
self.text.insert(1.0,filecontent)
def openFile(self,fname=None):
if fname is None:
return -1;
self.fname=fname;
file=open(fname,'r+')
content = file.read()
file.close()
return content
def saveFile(self,content=None):
if content is None:
return -1
if self.fname is None : #new file create addr need sudo permission
self.fname=tkFileDialog.asksaveasfilename(initialdir = os.getcwd());
file=open(self.fname,'w')
file.write(content)
file.flush()
file.close()
return 0
def exit(self):
sys.exit(0)
if name=='main':
Note();
`
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