-# 11/22/2003 - Jeff Grimmett (grimmtooth@softhome.net)
-#
-# o Updated for wx namespace
-# o There are issues using the wx namespace within the xrc code.
-#
-# 11/30/2003 - Jeff Grimmett (grimmtooth@softhome.net)
-#
-# o Error report: "Error: No handler found for XML node 'object',
-# class 'wx.StaticText'!"; no text shows on panel.
-#
import wx
import wx.xrc as xrc
<!-- 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="wx.StaticText" name="label1">
- <label>This blue panel is a class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
+ <object class="wxStaticText" name="label1">
+ <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)
overview = """<html><body>
-<h2><center>wxXmlResourceHandler</center></h2>
+<h2><center>wx.XmlResourceHandler</center></h2>
-Deriving a class from wxXmlResourceHandler allows you to specify your
+Deriving a class from wx.XmlResourceHandler allows you to specify your
own classes in XRC resources, and your handler class will then be used
to create instances of that class when the resource is loaded.
if __name__ == '__main__':
import sys,os
import run
- run.main(['', os.path.basename(sys.argv[0])])
+ run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
projects / wxWidgets.git / blobdiff