#!/usr/bin/env python
# -*- coding: UTF-8 -*-
#Python GUI编程一个完整的读入写入的小程序（wxPython）
import wx

def load (event):
	file = open(filename.GetValue())
	contents.SetValue(file.read())
	file.close()

def save (event):
	file = open(filename.GetValue(),'w')
	file.write(contents.GetValue())
	file.close()
	
app = wx.App()
win = wx.Frame(None,title="Simple Editor",size=(400,300))

bkg = wx.Panel(win)

loadButton = wx.Button(bkg,label='Open')
loadButton.Bind(wx.EVT_BUTTON,load)

saveButton = wx.Button(bkg,label='Save')
saveButton.Bind(wx.EVT_BUTTON,save)


filename = wx.TextCtrl(bkg)
contents = wx.TextCtrl(bkg,style=wx.TE_MULTILINE|wx.HSCROLL)

hbox = wx.BoxSizer()
hbox.Add(filename,proportion=1,flag=wx.EXPAND)
hbox.Add(loadButton,proportion=0,flag=wx.LEFT,border=5)
hbox.Add(saveButton,proportion=0,flag=wx.LEFT,border=5)

vbox = wx.BoxSizer(wx.VERTICAL)
vbox.Add(hbox,proportion=0,flag=wx.EXPAND|wx.ALL,border=5)
vbox.Add(contents,proportion=1,flag=wx.EXPAND|wx.LEFT|wx.BOTTOM|wx.RIGHT,border=5)

bkg.SetSizer(vbox)
win.Show()

app.MainLoop()


