wxPython/samples/wxPIA_book/Chapter-05/goodExample.py

   1 #!/usr/bin/env python
   2
   3 import wx
   4
   5 class RefactorExample(wx.Frame):
   6
   7     def __init__(self, parent, id):
   8         wx.Frame.__init__(self, parent, id, 'Refactor Example',
   9                 size=(340, 200))
  10         panel = wx.Panel(self, -1)
  11         panel.SetBackgroundColour("White")
  12         self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)
  13         self.createMenuBar()
  14         self.createButtonBar(panel)
  15         self.createTextFields(panel)
  16
  17     def menuData(self):
  18         return (("&File",
  19                     ("&Open", "Open in status bar", self.OnOpen),
  20                     ("&Quit", "Quit", self.OnCloseWindow)),
  21                 ("&Edit",
  22                     ("&Copy", "Copy", self.OnCopy),
  23                     ("C&ut", "Cut", self.OnCut),
  24                     ("&Paste", "Paste", self.OnPaste),
  25                     ("", "", ""),
  26                     ("&Options...", "DisplayOptions", self.OnOptions)))
  27
  28     def createMenuBar(self):
  29         menuBar = wx.MenuBar()
  30         for eachMenuData in self.menuData():
  31             menuLabel = eachMenuData[0]
  32             menuItems = eachMenuData[1:]
  33             menuBar.Append(self.createMenu(menuItems), menuLabel)
  34         self.SetMenuBar(menuBar)
  35
  36     def createMenu(self, menuData):
  37         menu = wx.Menu()
  38         for eachLabel, eachStatus, eachHandler in menuData:
  39             if not eachLabel:
  40                 menu.AppendSeparator()
  41                 continue
  42             menuItem = menu.Append(-1, eachLabel, eachStatus)
  43             self.Bind(wx.EVT_MENU, eachHandler, menuItem)
  44         return menu
  45
  46     def buttonData(self):
  47         return (("First", self.OnFirst),
  48                 ("<< PREV", self.OnPrev),
  49                 ("NEXT >>", self.OnNext),
  50                 ("Last", self.OnLast))
  51
  52     def createButtonBar(self, panel, yPos = 0):
  53         xPos = 0
  54         for eachLabel, eachHandler in self.buttonData():
  55             pos = (xPos, yPos)
  56             button = self.buildOneButton(panel, eachLabel, eachHandler, pos)
  57             xPos += button.GetSize().width
  58
  59     def buildOneButton(self, parent, label, handler, pos=(0,0)):
  60         button = wx.Button(parent, -1, label, pos)
  61         self.Bind(wx.EVT_BUTTON, handler, button)
  62         return button
  63
  64     def textFieldData(self):
  65         return (("First Name", (10, 50)),
  66                 ("Last Name", (10, 80)))
  67
  68     def createTextFields(self, panel):
  69         for eachLabel, eachPos in self.textFieldData():
  70             self.createCaptionedText(panel, eachLabel, eachPos)
  71
  72     def createCaptionedText(self, panel, label, pos):
  73         static = wx.StaticText(panel, wx.NewId(), label, pos)
  74         static.SetBackgroundColour("White")
  75         textPos = (pos[0] + 75, pos[1])
  76         wx.TextCtrl(panel, wx.NewId(), "", size=(100, -1), pos=textPos)
  77
  78     # Just grouping the empty event handlers together
  79     def OnPrev(self, event): pass
  80     def OnNext(self, event): pass
  81     def OnLast(self, event): pass
  82     def OnFirst(self, event): pass
  83     def OnOpen(self, event): pass
  84     def OnCopy(self, event): pass
  85     def OnCut(self, event): pass
  86     def OnPaste(self, event): pass
  87     def OnOptions(self, event): pass
  88     def OnCloseWindow(self, event):
  89         self.Destroy()
  90
  91 if __name__ == '__main__':
  92     app = wx.PySimpleApp()
  93     frame = RefactorExample(parent=None, id=-1)
  94     frame.Show()
  95     app.MainLoop()
  96