git.saurik.com Git - wxWidgets.git/blame_incremental - wxPython/demo/XmlResourceSubclass.py

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Commit	Line	Data
	1
	2	import wx
	3	import wx.xrc as xrc
	4
	5	#----------------------------------------------------------------------
	6
	7	resourceText = r'''<?xml version="1.0"?>
	8	<resource>
	9
	10	<!-- Notice that the class IS a standard wx class, and a custom
	11	subclass is specified as "moduleName.ClassName" Try changing
	12	the classname to one that does not exist and see what happens -->
	13
	14	<object class="wxPanel" subclass="XmlResourceSubclass.MyCustomPanel" name="MyPanel">
	15	<size>200,100</size>
	16	<object class="wxStaticText" name="label1">
	17	<label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
	18	<pos>10,10</pos>
	19	</object>
	20	</object>
	21	</resource>
	22	'''
	23
	24	#----------------------------------------------------------------------
	25
	26	class MyCustomPanel(wx.Panel):
	27	def __init__(self):
	28	p = wx.PrePanel()
	29	# the Create step is done by XRC.
	30	self.PostCreate(p)
	31	self.Bind(wx.EVT_WINDOW_CREATE, self.OnCreate)
	32	self.Bind(wx.EVT_SIZE, self.OnSize)
	33
	34
	35	def OnCreate(self, evt):
	36	# This is the little bit of customization that we do for this
	37	# silly example. It could just as easily have been done in
	38	# the resource. We do it in the EVT_WINDOW_CREATE handler
	39	# because the window doesn't really exist yet in the __init__.
	40	if self is evt.GetEventObject():
	41	t = wx.StaticText(self, -1, "MyCustomPanel")
	42	f = t.GetFont()
	43	f.SetWeight(wx.BOLD)
	44	f.SetPointSize(f.GetPointSize()+2)
	45	t.SetFont(f)
	46	self.t = t
	47	# On OSX the EVT_SIZE happens before EVT_WINDOW_CREATE !?!
	48	# so give it another kick
	49	wx.CallAfter(self.OnSize, None)
	50	evt.Skip()
	51
	52	def OnSize(self, evt):
	53	if hasattr(self, 't'):
	54	sz = self.GetSize()
	55	w, h = self.t.GetTextExtent(self.t.GetLabel())
	56	self.t.SetPosition(((sz.width-w)/2, (sz.height-h)/2))
	57
	58	#----------------------------------------------------------------------
	59
	60
	61	class TestPanel(wx.Panel):
	62	def __init__(self, parent, log):
	63	self.log = log
	64	wx.Panel.__init__(self, parent, -1)
	65
	66	# make the components
	67	label = wx.StaticText(self, -1, "The lower panel was built from this XML:")
	68	label.SetFont(wx.Font(12, wx.SWISS, wx.NORMAL, wx.BOLD))
	69
	70	text = wx.TextCtrl(self, -1, resourceText,
	71	style=wx.TE_READONLY\|wx.TE_MULTILINE)
	72	text.SetInsertionPoint(0)
	73
	74	line = wx.StaticLine(self, -1)
	75
	76	# Load the resource
	77	res = xrc.EmptyXmlResource()
	78	res.LoadFromString(resourceText)
	79
	80	# Now create a panel from the resource data
	81	panel = res.LoadPanel(self, "MyPanel")
	82
	83	# and do the layout
	84	sizer = wx.BoxSizer(wx.VERTICAL)
	85	sizer.Add(label, 0, wx.EXPAND\|wx.TOP\|wx.LEFT, 5)
	86	sizer.Add(text, 1, wx.EXPAND\|wx.ALL, 5)
	87	sizer.Add(line, 0, wx.EXPAND)
	88	sizer.Add(panel, 1, wx.EXPAND\|wx.ALL, 5)
	89
	90	self.SetSizer(sizer)
	91	self.SetAutoLayout(True)
	92
	93
	94	#----------------------------------------------------------------------
	95
	96	def runTest(frame, nb, log):
	97	win = TestPanel(nb, log)
	98	return win
	99
	100	#----------------------------------------------------------------------
	101
	102
	103
	104	overview = """<html><body>
	105	<h2><center>wx.XmlResourceSubclass</center></h2>
	106
	107	Sometimes it is necessary to use custom classes, but you still want
	108	them to be created from XRC. The subclass XRC attribute allows you to
	109	do that.
	110
	111	</body></html>
	112	"""
	113
	114
	115
	116	if __name__ == '__main__':
	117	import sys,os
	118	import run
	119	run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
	120