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

   1 #!/usr/bin/env python
   2
   3 import wx
   4 import abstractmodel
   5
   6 class SimpleName(abstractmodel.AbstractModel):
   7
   8     def __init__(self, first="", last=""):
   9         abstractmodel.AbstractModel.__init__(self)
  10         self.set(first, last)
  11
  12     def set(self, first, last):
  13         self.first = first
  14         self.last = last
  15         self.update()
  16
  17 class ModelExample(wx.Frame):
  18
  19     def __init__(self, parent, id):
  20         wx.Frame.__init__(self, parent, id, 'Flintstones',
  21                 size=(340, 200))
  22         panel = wx.Panel(self)
  23         panel.SetBackgroundColour("White")
  24         self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)
  25         self.textFields = {}
  26         self.createTextFields(panel)
  27         self.model = SimpleName()
  28         self.model.addListener(self.OnUpdate)
  29         self.createButtonBar(panel)
  30
  31     def buttonData(self):
  32         return (("Fredify", self.OnFred),
  33                 ("Wilmafy", self.OnWilma),
  34                 ("Barnify", self.OnBarney),
  35                 ("Bettify", self.OnBetty))
  36
  37     def createButtonBar(self, panel, yPos = 0):
  38         xPos = 0
  39         for eachLabel, eachHandler in self.buttonData():
  40             pos = (xPos, yPos)
  41             button = self.buildOneButton(panel, eachLabel, eachHandler, pos)
  42             xPos += button.GetSize().width
  43
  44     def buildOneButton(self, parent, label, handler, pos=(0,0)):
  45         button = wx.Button(parent, -1, label, pos)
  46         self.Bind(wx.EVT_BUTTON, handler, button)
  47         return button
  48
  49     def textFieldData(self):
  50         return (("First Name", (10, 50)),
  51                 ("Last Name", (10, 80)))
  52
  53     def createTextFields(self, panel):
  54         for eachLabel, eachPos in self.textFieldData():
  55             self.createCaptionedText(panel, eachLabel, eachPos)
  56
  57     def createCaptionedText(self, panel, label, pos):
  58         static = wx.StaticText(panel, wx.NewId(), label, pos)
  59         static.SetBackgroundColour("White")
  60         textPos = (pos[0] + 75, pos[1])
  61         self.textFields[label] = wx.TextCtrl(panel, wx.NewId(),
  62                 "", size=(100, -1), pos=textPos,
  63                 style=wx.TE_READONLY)
  64
  65     def OnUpdate(self, model):
  66         self.textFields["First Name"].SetValue(model.first)
  67         self.textFields["Last Name"].SetValue(model.last)
  68
  69     def OnFred(self, event):
  70         self.model.set("Fred", "Flintstone")
  71
  72     def OnBarney(self, event):
  73         self.model.set("Barney", "Rubble")
  74
  75     def OnWilma(self, event):
  76         self.model.set("Wilma", "Flintstone")
  77
  78     def OnBetty(self, event):
  79         self.model.set("Betty", "Rubble")
  80
  81     def OnCloseWindow(self, event):
  82         self.Destroy()
  83
  84 if __name__ == '__main__':
  85     app = wx.PySimpleApp()
  86     frame = ModelExample(parent=None, id=-1)
  87     frame.Show()
  88     app.MainLoop()
  89