wxpython中文教程之ftp站点连接图形脚本(GRIPTS-KIKA)

#!/usr/bin/python
# -*- coding: utf-8 -*-

#kika.py

from ftplib import FTP, all_errors
import wx

class MyStatusBar(wx.StatusBar):
    def __init__(self, parent):
        wx.StatusBar.__init__(self, parent)
        self.SetFieldsCount(2)
        self.SetStatusText('欢迎来到 Kika', 0)
        self.SetStatusWidths([-5, -2])
        self.icon = wx.StaticBitmap(self, -1, wx.Bitmap
                                    ('icons/disconnected-16.png'))
        self.Bind(wx.EVT_SIZE, self.OnSize)
        self.PlaceIcon()
       
    def PlaceIcon(self):
        rect = self.GetFieldRect(1)
        self.icon.SetPosition((rect.x+3, rect.y+3))
       
    def OnSize(self, event):
        self.PlaceIcon()
       
class MyFrame(wx.Frame):
    def __init__(self, parent, id, title):
        wx.Frame.__init__(self, parent, id, title, size=(250, 270))
       
        wx.StaticText(self, -1, 'FTP 站点', (10, 20))
        wx.StaticText(self, -1, '登入', (10, 60))
        wx.StaticText(self, -1, '口令', (10, 100))

        self.ftpsite = wx.TextCtrl(self, -1, 'wxpython.cn',
                                   (110, 15), (120, -1))
        self.login = wx.TextCtrl(self, -1, '', (110, 55), (120, -1))
        self.password = wx.TextCtrl(self, -1, '', (110, 95),
                                    (120, -1), style=wx.TE_PASSWORD)
       
        self.ftp = None
       
        con = wx.Button(self, 1, '连 接', (10, 160))
        discon = wx.Button(self, 2, '断开连接', (120, 160))
       
        self.Bind(wx.EVT_BUTTON, self.OnConnect, id=1)
        self.Bind(wx.EVT_BUTTON, self.OnDisConnect, id=2)
        self.Bind(wx.EVT_TEXT, self.OnParaChange,
                  id=self.password.GetId())
        self.Bind(wx.EVT_TEXT, self.OnParaChange,
                  id=self.login.GetId())
       
        self.statusbar = MyStatusBar(self)
        self.SetStatusBar(self.statusbar)
        self.Center()
       
    def OnConnect(self, event):
        if not self.ftp:
            ftpsite = self.ftpsite.GetValue()
            login = self.login.GetValue()
            password = self.password.GetValue()
           
            try:
                self.ftp = FTP(ftpsite)
                var = self.ftp.login(login, password)
                self.statusbar.SetStatusText('用户已连接')
                self.statusbar.icon.SetBitmap
                (wx.Bitmap('icons/connected-16.png'))
            except AttributeError:
                self.statusbar.SetForegroundColour(wx.RED)
                self.statusbar.SetStatusText('错误的连接参数')
                self.ftp = None

    def OnDisConnect(self, event):
        if self.ftp:
            self.ftp.quit()
            self.ftp = None
            self.statusbar.SetStatusText('用户已断开')
            self.statusbar.icon.SetBitmap
            (wx.Bitmap('icons/disconnected-16.png'))
   
    def OnParaChange(self, event):
        self.statusbar.SetStatusText('')

class MyApp(wx.App):
    def OnInit(self):
        frame = MyFrame(None, -1, 'Kika')
        frame.Center()
        frame.Show(True)
        return True
   
app = MyApp(0)
app.MainLoop()
 

def PlaceIcon(self):
        rect = self.GetFieldRect(1)
        self.icon.SetPosition((rect.x+3, rect.y+3))