RudySchockaert

   1 import os, wx
   2 ID_OPEN = 101
   3 ID_SAVE = 102
   4 ID_SAVEAS = 103
   5 ID_EXIT = 104
   6 ID_ABOUT = 111
   7 class MainWindow(wx.Frame):
   8     """ We simply derive a new class of Frame. """
   9     def __init__(self,parent,id,title):
  10         wx.Frame.__init__(self,parent,wx.ID_ANY, title, size = ( 400,200),
  11                                      style=wx.DEFAULT_FRAME_STYLE|wx.NO_FULL_REPAINT_ON_RESIZE)
  12         
  13         self.dirname = os.curdir
  14         self.filename = ''
  15         self.modified = False
  16         
  17         self.control = wx.TextCtrl(self, 1, style=wx.TE_MULTILINE)
  18         self.CreateStatusBar()
  19         
  20         self.fileMenu = wx.Menu()
  21         self.fileMenu.Append(ID_OPEN, "&Open", " Open a file to edit")
  22         self.fileMenu.Append(ID_SAVE, "&Save", " Save your modifications")
  23         self.fileMenu.Enable(ID_SAVE, False)
  24         self.fileMenu.Append(ID_SAVEAS, "Save &As", " Save your modifications to another file")
  25         self.fileMenu.Enable(ID_SAVEAS, False)
  26         self.fileMenu.AppendSeparator()
  27         self.fileMenu.Append(ID_EXIT, "&Exit", " Terminate the program")
  28         
  29         helpMenu = wx.Menu()
  30         helpMenu.Append(ID_ABOUT, "&About", " Information about this program")
  31         
  32         menuBar = wx.MenuBar()
  33         menuBar.Append(self.fileMenu, "&File")
  34         menuBar.Append(helpMenu, "&Help")
  35         self.SetMenuBar(menuBar)
  36 
  37         self.Connect(ID_OPEN, -1, wx.wxEVT_COMMAND_MENU_SELECTED, self.OnOpen)  
  38         self.Connect(ID_SAVE, -1, wx.wxEVT_COMMAND_MENU_SELECTED, self.OnSave)  
  39         self.Connect(ID_SAVEAS, -1, wx.wxEVT_COMMAND_MENU_SELECTED, self.OnSaveAs)  
  40         self.Connect(ID_EXIT, -1, wx.wxEVT_COMMAND_MENU_SELECTED, self.OnExit)  
  41         self.Connect(ID_ABOUT, -1, wx.wxEVT_COMMAND_MENU_SELECTED, self.OnAbout)
  42         self.control.Connect(-1, -1, wx.wxEVT_COMMAND_TEXT_UPDATED, self.OnTextUpdated)
  43         self.Show(True)
  44         
  45     def OnAbout(self,e):
  46         d= wx.MessageDialog( self, " A sample editor \n"
  47                             " in wxPython","About Sample Editor", wx.OK)
  48                             # Create a message dialog box
  49         d.ShowModal() # Shows it
  50         d.Destroy() # finally destroy it when finished.
  51         
  52     def OnOpen(self,e):
  53         """ Open a file"""
  54         dlg = wx.FileDialog(self, "Choose a file", self.dirname, "", "*.*", wx.OPEN)
  55         if dlg.ShowModal() == wx.ID_OK:
  56             self.filename=dlg.GetFilename()
  57             self.dirname=dlg.GetDirectory()
  58             f=open(os.path.join(self.dirname,self.filename),'r')
  59             self.control.SetValue(f.read())
  60             f.close()
  61             self.SetTitle(self.filename)
  62         dlg.Destroy()
  63         
  64     def OnSave(self,e):
  65         f=open(os.path.join(self.dirname,self.filename),'w')
  66         f.write(self.control.GetValue())
  67         f.close()
  68 
  69     def OnSaveAs(self,e):
  70         """ Save file as ...""" 
  71         dlg = wx.FileDialog(self, "Save file as ...", self.dirname, self.filename, "*.*", wx.SAVE)
  72         if dlg.ShowModal() == wx.ID_OK:
  73             self.filename=dlg.GetFilename()
  74             self.fileMenu.Enable(ID_SAVE, True)
  75             self.dirname=dlg.GetDirectory()
  76             self.OnSave(True)
  77             self.SetTitle(self.filename)
  78         dlg.Destroy()
  79         
  80     def OnExit(self,e):
  81         self.Close(True)  # Close the frame.
  82     def OnTextUpdated(self,e):
  83         self.modified = True
  84         if self.filename <> '':
  85             self.fileMenu.Enable(ID_SAVE, True)
  86         self.fileMenu.Enable(ID_SAVEAS, True)
  87         
  88         
  89         
  90 app = wx.PySimpleApp()
  91 frame = MainWindow(None, -1, "Sample editor")
  92 app.MainLoop()