Python 基于TK 文本编辑器

 1 #coding=utf-8
 2 import sys,os
 3 import tkFileDialog
 4 from Tkinter import *
 5 from tkFont import Font
 6 
 7 
 8 print "欢迎使用编辑器: ", str(sys.argv[0])[:-3]
 9 
10 class Write():
11 
12     def __init__(self):
13          self.tk=Tk()
14          if len(sys.argv[0])>=2:
15              fname=self.fname=sys.argv[1]
16          else:
17              fname=self.fname=‘new.txt‘
18          self.createUI(fname)
19          self.tk.mainloop()
20 
21 
22     def createUI(self,fname):
23          #create menu
24          menubar=Menu(self.tk,bg=‘purple‘)
25          fmenu=Menu(menubar,tearoff=0)
26          fmenu.add_command(label=‘Open‘,command=self.open)
27          fmenu.add_command(label=‘Save‘,command=self.save)
28          fmenu.add_command(label=‘Exit‘,command=exit)
29          menubar.add_cascade(label="File", menu=fmenu)
30          self.tk.title("Welcome to writer!")
31          self.tk.geometry("800x600")
32          self.tk.config(menu=menubar,background="gray",borderwidth = 8)
33          #l =
34          self.txt=Text(width=6000,height=6000,font=Font(self.tk,size=14))
35          with open(fname) as f:
36              content = f.read()
37              f.close()
38              print content
39          filecontent=content
40          #self.txt.delete(1.0,END)
41          self.txt.insert(INSERT,filecontent)
42          self.txt.pack()
43 
44     def save(self):
45        txtContent = self.txt.get(1.0,END)
46        self.saveFile(content=txtContent)
47 
48 
49     def open(self):
50          self.filename = tkFileDialog.askopenfilename(initialdir = os.getcwd())
51          filecontent=self.openFile(fname=self.filename)
52          if filecontent is not -1:
53               self.text.delete(1.0,END)
54               self.text.insert(1.0,filecontent)
55 
56     def openFile(self,fname=None):
57          if fname is None:
58               return -1
59          self.fname = fname
60          file = open(fname,‘r+‘)
61          content = file.read()
62          file.close()
63          return content
64 
65     def saveFile(self,content=None):
66          if content is None:
67               return -1
68          file=open(self.fname,‘w‘)
69          file.write(content)
70          file.flush()
71          file.close()
72          return 0
73 
74     def exit(self):
75          sys.exit(0)
76 
77 if __name__ == ‘__main__‘:
78     if len(sys.argv)>=2:
79         Write()
80     else:
81         print "请加上需要编辑的文件名,例:python %s new.txt"%sys.argv[0]