wxPython/demo/wxXmlResourceSubclass.py

   1 # 11/22/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   2 #
   3 # o Updated for wx namespace
   4 #
   5
   6 import  wx
   7 import  wx.xrc  as  xrc
   8
   9 #----------------------------------------------------------------------
  10
  11 resourceText = r'''<?xml version="1.0"?>
  12 <resource>
  13
  14 <!-- Notice that the class IS a standard wx class, and a custom
  15      subclass is specified as "moduleName.ClassName"  Try changing
  16      the classname to one that does not exist and see what happens -->
  17
  18 <object class="wxPanel" subclass="wxXmlResourceSubclass.MyBluePanel" name="MyPanel">
  19     <size>200,100</size>
  20     <object class="wxStaticText" name="label1">
  21         <label>This blue panel is a class derived from wxPanel
  22 and is loaded by a using a subclass attribute of the object tag.</label>
  23         <pos>10,10</pos>
  24     </object>
  25 </object>
  26 </resource>
  27 '''
  28
  29 #----------------------------------------------------------------------
  30
  31 class MyBluePanel(wx.Panel):
  32     def __init__(self):
  33         p = wx.PrePanel()
  34         self.PostCreate(p)
  35
  36         self.Bind(wx.EVT_WINDOW_CREATE, self.OnCreate)
  37
  38     def OnCreate(self, evt):
  39         # This is the little bit of customization that we do for this
  40         # silly example.  It could just as easily have been done in
  41         # the resource.  We do it in the EVT_WINDOW_CREATE handler
  42         # because the window doesn't really exist yet in the __init__.
  43         self.SetBackgroundColour("BLUE")
  44         self.SetForegroundColour("WHITE")
  45
  46 #----------------------------------------------------------------------
  47
  48
  49 class TestPanel(wx.Panel):
  50     def __init__(self, parent, log):
  51         self.log = log
  52         wx.Panel.__init__(self, parent, -1)
  53
  54         # make the components
  55         label = wx.StaticText(self, -1, "The lower panel was built from this XML:")
  56         label.SetFont(wx.Font(12, wx.SWISS, wx.NORMAL, wx.BOLD))
  57
  58         text = wx.TextCtrl(self, -1, resourceText,
  59                           style=wx.TE_READONLY|wx.TE_MULTILINE)
  60         text.SetInsertionPoint(0)
  61
  62         line = wx.StaticLine(self, -1)
  63
  64         # Load the resource
  65         res = xrc.EmptyXmlResource()
  66         res.LoadFromString(resourceText)
  67
  68         # Now create a panel from the resource data
  69         panel = res.LoadPanel(self, "MyPanel")
  70
  71         # and do the layout
  72         sizer = wx.BoxSizer(wx.VERTICAL)
  73         sizer.Add(label, 0, wx.EXPAND|wx.TOP|wx.LEFT, 5)
  74         sizer.Add(text, 1, wx.EXPAND|wx.ALL, 5)
  75         sizer.Add(line, 0, wx.EXPAND)
  76         sizer.Add(panel, 1, wx.EXPAND|wx.ALL, 5)
  77
  78         self.SetSizer(sizer)
  79         self.SetAutoLayout(True)
  80
  81
  82 #----------------------------------------------------------------------
  83
  84 def runTest(frame, nb, log):
  85     win = TestPanel(nb, log)
  86     return win
  87
  88 #----------------------------------------------------------------------
  89
  90
  91
  92 overview = """<html><body>
  93 <h2><center>wxXmlResourceSubclass</center></h2>
  94
  95 Sometimes it is necessary to use custom classes, but you still want
  96 them to be created from XRC.  The subclass XRC attribute allows you to
  97 do that.
  98
  99 </body></html>
 100 """
 101
 102
 103
 104 if __name__ == '__main__':
 105     import sys,os
 106     import run
 107     run.main(['', os.path.basename(sys.argv[0])])
 108