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https://github.com/wxWidgets/Phoenix.git
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Add tests and support for creating custom XRC handlers and using the Python subclass factory.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@73224 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
@@ -52,6 +52,213 @@ class xrc_Tests(wtc.WidgetTestCase):
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self.frame.SendSizeEvent()
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self.myYield()
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#---------------------------------------------------------------------------
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# Tests for custom handlers
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# This test does not allow for 2-phase create or creating the instance of
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# the resource before filling it with widgets or etc. See also the next
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# test and try to keep the two of them in sync as much as possible.
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def test_xrc5(self):
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resource = '''<?xml version="1.0"?>
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<resource>
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<object class="wxFrame" name="MainFrame">
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<size>400,250</size>
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<title>This is a test</title>
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<!-- Notice that the class is NOT a standard wx class -->
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<object class="MyCustomPanel" name="MyPanel">
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<size>200,100</size>
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<object class="wxStaticText" name="label1">
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<label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
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<pos>10,10</pos>
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</object>
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</object>
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</object>
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</resource>'''
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# this is the class that will be created for the resource
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class MyCustomPanel(wx.Panel):
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def __init__(self, parent, id, pos, size, style, name):
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wx.Panel.__init__(self, parent, id, pos, size, style, name)
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# This is the little bit of customization that we do for this
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# silly example.
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self.Bind(wx.EVT_SIZE, self.OnSize)
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t = wx.StaticText(self, -1, "MyCustomPanel")
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f = t.GetFont()
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f.SetWeight(wx.BOLD)
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f.SetPointSize(f.GetPointSize()+2)
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t.SetFont(f)
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self.t = t
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def OnSize(self, evt):
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sz = self.GetSize()
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w, h = self.t.GetTextExtent(self.t.GetLabel())
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self.t.SetPosition(((sz.width-w)/2, (sz.height-h)/2))
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# this is the handler class that will create the resource item
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class MyCustomPanelXmlHandler(xrc.XmlResourceHandler):
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def __init__(self):
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xrc.XmlResourceHandler.__init__(self)
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# Specify the styles recognized by objects of this type
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self.AddStyle("wxTAB_TRAVERSAL", wx.TAB_TRAVERSAL)
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self.AddStyle("wxWS_EX_VALIDATE_RECURSIVELY", wx.WS_EX_VALIDATE_RECURSIVELY)
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self.AddStyle("wxCLIP_CHILDREN", wx.CLIP_CHILDREN)
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self.AddWindowStyles()
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def CanHandle(self, node):
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return self.IsOfClass(node, "MyCustomPanel")
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def DoCreateResource(self):
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# Ensure that the instance hasn't been created yet (since
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# we're not using 2-phase create)
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assert self.GetInstance() is None
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# Now create the object
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panel = MyCustomPanel(self.GetParentAsWindow(),
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self.GetID(),
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self.GetPosition(),
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self.GetSize(),
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self.GetStyle("style", wx.TAB_TRAVERSAL),
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self.GetName()
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)
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self.SetupWindow(panel)
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self.CreateChildren(panel)
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return panel
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# now load it
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xmlres = xrc.XmlResource()
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xmlres.InsertHandler( MyCustomPanelXmlHandler() )
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success = xmlres.LoadFromString(resource)
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f = xmlres.LoadFrame(self.frame, 'MainFrame')
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self.assertNotEqual(f, None)
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f.Show()
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self.myYield()
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panel = xrc.XRCCTRL(f, 'MyPanel')
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self.assertNotEqual(panel, None)
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self.assertTrue(isinstance(panel, MyCustomPanel))
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# This test shows how to do basically the same as above while still
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# allowing the instance to be created before loading the content.
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def test_xrc6(self):
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resource = '''<?xml version="1.0"?>
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<resource>
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<object class="wxFrame" name="MainFrame">
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<size>400,250</size>
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<title>This is a test</title>
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<!-- Notice that the class is NOT a standard wx class -->
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<object class="MyCustomPanel" name="MyPanel">
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<size>200,100</size>
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<object class="wxStaticText" name="label1">
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<label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
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<pos>10,10</pos>
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</object>
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</object>
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</object>
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</resource>'''
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# this is the class that will be created for the resource
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class MyCustomPanel(wx.Panel):
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def __init__(self):
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wx.Panel.__init__(self) # create only the instance, not the widget
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def Create(self, parent, id, pos, size, style, name):
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wx.Panel.Create(self, parent, id, pos, size, style, name)
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self.Bind(wx.EVT_SIZE, self.OnSize)
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t = wx.StaticText(self, -1, "MyCustomPanel")
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f = t.GetFont()
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f.SetWeight(wx.BOLD)
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f.SetPointSize(f.GetPointSize()+2)
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t.SetFont(f)
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self.t = t
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def OnSize(self, evt):
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sz = self.GetSize()
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w, h = self.t.GetTextExtent(self.t.GetLabel())
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self.t.SetPosition(((sz.width-w)/2, (sz.height-h)/2))
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# this is the handler class that will create the resource item
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class MyCustomPanelXmlHandler(xrc.XmlResourceHandler):
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def __init__(self):
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xrc.XmlResourceHandler.__init__(self)
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# Specify the styles recognized by objects of this type
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self.AddStyle("wxTAB_TRAVERSAL", wx.TAB_TRAVERSAL)
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self.AddStyle("wxWS_EX_VALIDATE_RECURSIVELY", wx.WS_EX_VALIDATE_RECURSIVELY)
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self.AddStyle("wxCLIP_CHILDREN", wx.CLIP_CHILDREN)
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self.AddWindowStyles()
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def CanHandle(self, node):
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return self.IsOfClass(node, "MyCustomPanel")
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def DoCreateResource(self):
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panel = self.GetInstance()
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if panel is None:
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# if not, then create the instance (but not the window)
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panel = MyCustomPanel()
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# Now create the UI object
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panel.Create(self.GetParentAsWindow(),
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self.GetID(),
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self.GetPosition(),
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self.GetSize(),
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self.GetStyle("style", wx.TAB_TRAVERSAL),
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self.GetName()
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)
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self.SetupWindow(panel)
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self.CreateChildren(panel)
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return panel
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# now load it
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xmlres = xrc.XmlResource()
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xmlres.InsertHandler( MyCustomPanelXmlHandler() )
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success = xmlres.LoadFromString(resource)
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f = xmlres.LoadFrame(self.frame, 'MainFrame')
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self.assertNotEqual(f, None)
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f.Show()
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self.myYield()
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panel = xrc.XRCCTRL(f, 'MyPanel')
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self.assertNotEqual(panel, None)
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self.assertTrue(isinstance(panel, MyCustomPanel))
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#---------------------------------------------------------------------------
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# Tests for the Subclass Factory
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def test_xrc7(self):
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resource = '''<?xml version="1.0"?>
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<resource>
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<!-- Notice that the class IS a standard wx class and that a subclass is specified -->
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<object class="wxPanel" name="MyPanel" subclass="xrcfactorytest.MyCustomPanel">
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<size>200,100</size>
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<object class="wxStaticText" name="label1">
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<label>This panel is a custom class derived from wx.Panel,\nand is loaded by the Python SubclassFactory.</label>
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<pos>10,10</pos>
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</object>
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</object>
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</resource>'''
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# now load it
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xmlres = xrc.XmlResource()
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success = xmlres.LoadFromString(resource)
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panel = xmlres.LoadPanel(self.frame, "MyPanel")
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self.frame.SendSizeEvent()
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self.myYield()
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self.assertNotEqual(panel, None)
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import xrcfactorytest
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self.assertTrue(isinstance(panel, xrcfactorytest.MyCustomPanel))
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#---------------------------------------------------------------------------
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