Added wxXmlResourceHandler to wxPython and enabled it's virtuals to be

Python Callbacks.  Added a sample to the demo to show how to do it.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16721 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/demo/wxXmlResource.py

@@ -0,0 +1,76 @@
+
+from wxPython.wx import *
+from wxPython.xrc import *
+from Main import opj
+
+#----------------------------------------------------------------------
+
+RESFILE = opj("data/resource_wdr.xrc")
+
+class TestPanel(wxPanel):
+    def __init__(self, parent, log):
+        wxPanel.__init__(self, parent, -1)
+        self.log = log
+
+        # make the components
+        label = wxStaticText(self, -1, "The lower panel was built from this XML:")
+        label.SetFont(wxFont(12, wxSWISS, wxNORMAL, wxBOLD))
+
+        resourceText = open(RESFILE).read()
+        text = wxTextCtrl(self, -1, resourceText,
+                          style=wxTE_READONLY|wxTE_MULTILINE)
+        text.SetInsertionPoint(0)
+
+        line = wxStaticLine(self, -1)
+
+        # This shows a few different ways to load XML Resources
+        if 0:
+            # XML Resources can be loaded from a file like this:
+            res = wxXmlResource(RESFILE)
+
+        elif 1:
+            # or from a Virtual FileSystem:
+            wxFileSystem_AddHandler(wxMemoryFSHandler())
+            wxMemoryFSHandler_AddFile("XRC_Resources/data_file", resourceText)
+            res = wxXmlResource("memory:XRC_Resources/data_file")
+
+        else:
+            # or from a string, like this:
+            res = wxEmptyXmlResource()
+            res.LoadFromString(resourceText)
+
+
+        # Now create a panel from the resource data
+        panel = res.LoadPanel(self, "MyPanel")
+
+        # and do the layout
+        sizer = wxBoxSizer(wxVERTICAL)
+        sizer.Add(label, 0, wxEXPAND|wxTOP|wxLEFT, 5)
+        sizer.Add(text, 1, wxEXPAND|wxALL, 5)
+        sizer.Add(line, 0, wxEXPAND)
+        sizer.Add(panel, 1, wxEXPAND|wxALL, 5)
+
+        self.SetSizer(sizer)
+        self.SetAutoLayout(true)
+
+
+#----------------------------------------------------------------------
+
+def runTest(frame, nb, log):
+    win = TestPanel(nb, log)
+    return win
+
+#----------------------------------------------------------------------
+
+
+
+overview = """
+"""
+
+
+
+if __name__ == '__main__':
+    import sys,os
+    import run
+    run.main(['', os.path.basename(sys.argv[0])])
+