<!-- Notice that the class is NOT a standard wx class -->
-<object class="MyBluePanel" name="MyPanel">
+<object class="MyCustomPanel" name="MyPanel">
<size>200,100</size>
<object class="wxStaticText" name="label1">
- <label>This blue panel is a class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
+ <label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
<pos>10,10</pos>
</object>
</object>
#----------------------------------------------------------------------
-class MyBluePanel(wx.Panel):
+class MyCustomPanel(wx.Panel):
def __init__(self, parent, id, pos, size, style, name):
wx.Panel.__init__(self, parent, id, pos, size, style, name)
# This is the little bit of customization that we do for this
- # silly example. It could just as easily have been done in
- # the resource.
- self.SetBackgroundColour("BLUE")
- self.SetForegroundColour("WHITE")
+ # silly example.
+ self.Bind(wx.EVT_SIZE, self.OnSize)
+ t = wx.StaticText(self, -1, "MyCustomPanel")
+ f = t.GetFont()
+ f.SetWeight(wx.BOLD)
+ f.SetPointSize(f.GetPointSize()+2)
+ t.SetFont(f)
+ self.t = t
+
+ def OnSize(self, evt):
+ sz = self.GetSize()
+ w, h = self.t.GetTextExtent(self.t.GetLabel())
+ self.t.SetPosition(((sz.width-w)/2, (sz.height-h)/2))
# To do it the more complex way, (see below) we need to write the
# class a little differently... This could obviously be done with a
# single class, but I wanted to make separate ones to make clear what
# the different requirements are.
-class PreMyBluePanel(wx.Panel):
+class PreMyCustomPanel(wx.Panel):
def __init__(self):
p = wx.PrePanel()
self.PostCreate(p)
def Create(self, parent, id, pos, size, style, name):
wx.Panel.Create(self, parent, id, pos, size, style, name)
- self.SetBackgroundColour("BLUE")
- self.SetForegroundColour("WHITE")
-
+ self.Bind(wx.EVT_SIZE, self.OnSize)
+ t = wx.StaticText(self, -1, "MyCustomPanel")
+ f = t.GetFont()
+ f.SetWeight(wx.BOLD)
+ f.SetPointSize(f.GetPointSize()+2)
+ t.SetFont(f)
+ self.t = t
+
+ def OnSize(self, evt):
+ sz = self.GetSize()
+ w, h = self.t.GetTextExtent(self.t.GetLabel())
+ self.t.SetPosition(((sz.width-w)/2, (sz.height-h)/2))
#----------------------------------------------------------------------
-class MyBluePanelXmlHandler(xrc.XmlResourceHandler):
+class MyCustomPanelXmlHandler(xrc.XmlResourceHandler):
def __init__(self):
xrc.XmlResourceHandler.__init__(self)
# Specify the styles recognized by objects of this type
# This method and the next one are required for XmlResourceHandlers
def CanHandle(self, node):
- return self.IsOfClass(node, "MyBluePanel")
+ return self.IsOfClass(node, "MyCustomPanel")
def DoCreateResource(self):
# NOTE: wxWindows can be created in either a single-phase or
assert self.GetInstance() is None
# Now create the object
- panel = MyBluePanel(self.GetParentAsWindow(),
- self.GetID(),
- self.GetPosition(),
- self.GetSize(),
- self.GetStyle("style", wx.TAB_TRAVERSAL),
- self.GetName()
- )
+ panel = MyCustomPanel(self.GetParentAsWindow(),
+ self.GetID(),
+ self.GetPosition(),
+ self.GetSize(),
+ self.GetStyle("style", wx.TAB_TRAVERSAL),
+ self.GetName()
+ )
else:
# When using the more complex (but more flexible) method
# the instance may already have been created, check for it
panel = self.GetInstance()
if panel is None:
# if not, then create the instance (but not the window)
- panel = PreMyBluePanel()
+ panel = PreMyCustomPanel()
# Now call the panel's Create method to actually create the window
panel.Create(self.GetParentAsWindow(),
# Load the resource
res = xrc.EmptyXmlResource()
- res.InsertHandler(MyBluePanelXmlHandler())
+ res.InsertHandler(MyCustomPanelXmlHandler())
res.LoadFromString(resourceText)
# Now create a panel from the resource data
- panel = res.LoadObject(self, "MyPanel", "MyBluePanel")
+ panel = res.LoadObject(self, "MyPanel", "MyCustomPanel")
# and do the layout
sizer = wx.BoxSizer(wx.VERTICAL)