Added the sample code from wxPython In Action to the samples dir

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42925 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/samples/wxPIA_book/Chapter-11/gridbagsizer.py

@@ -0,0 +1,34 @@
+import wx
+from blockwindow import BlockWindow
+
+labels = "one two three four five six seven eight nine".split()
+
+class TestFrame(wx.Frame):
+    def __init__(self):
+        wx.Frame.__init__(self, None, -1, "GridBagSizer Test")
+        sizer = wx.GridBagSizer(hgap=5, vgap=5)
+        for col in range(3):
+            for row in range(3):
+                bw = BlockWindow(self, label=labels[row*3 + col])
+                sizer.Add(bw, pos=(row,col))
+
+        # add a window that spans several rows
+        bw = BlockWindow(self, label="span 3 rows")
+        sizer.Add(bw, pos=(0,3), span=(3,1), flag=wx.EXPAND)
+
+        # add a window that spans all columns
+        bw = BlockWindow(self, label="span all columns")
+        sizer.Add(bw, pos=(3,0), span=(1,4), flag=wx.EXPAND)
+
+        # make the last row and col be stretchable
+        sizer.AddGrowableCol(3)
+        sizer.AddGrowableRow(3)
+
+        self.SetSizer(sizer)
+        self.Fit()
+        
+
+app = wx.PySimpleApp()
+TestFrame().Show()
+
+app.MainLoop()