def __DoEnterComment(self):
     """
     Popup a text dialog so that the user can enter a comment for the log
     """
     
     song = viewmgr.Get()._selectedSong
     if song:
         dlg = wx.TextEntryDialog(self, 'Enter a comment for the log',
                                  'Enter comment', '')
 
         if dlg.ShowModal() == wx.ID_OK and dlg.GetValue():
             viewmgr.signalAddComment(song, dlg.GetValue())