wxPython/demo/wxXmlResourceSubclass.py

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