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Commit	Line	Data
	1	# 11/22/2003 - Jeff Grimmett (grimmtooth@softhome.net)
	2	#
	3	# o Updated for wx namespace
	4	#
	5
	6	import sys
	7	import wx
	8
	9	py2 = sys.version[0] == '2'
	10
	11	try:
	12	if py2:
	13	from xml.parsers import expat
	14	parsermodule = expat
	15	else:
	16	from xml.parsers import pyexpat
	17	parsermodule = pyexpat
	18	haveXML = True
	19	except ImportError:
	20	haveXML = False
	21
	22	#----------------------------------------------------------------------
	23
	24	if not haveXML:
	25	def runTest(frame, nb, log):
	26	dlg = wx.MessageDialog(
	27	frame, 'This demo requires the XML package. '
	28	'See http://www.python.org/sigs/xml-sig/',
	29	'Sorry', wx.OK \| wx.ICON_INFORMATION
	30	)
	31
	32	dlg.ShowModal()
	33	dlg.Destroy()
	34
	35	else:
	36
	37	class XMLTree(wx.TreeCtrl):
	38	def __init__(self, parent, ID):
	39	wx.TreeCtrl.__init__(self, parent, ID)
	40	self.nodeStack = [self.AddRoot("Root")]
	41
	42	# Trees need an image list to do DnD...
	43	self.il = wx.ImageList(16,16)
	44	self.SetImageList(self.il)
	45
	46	# event handlers for DnD
	47	self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnBeginDrag)
	48	self.Bind(wx.EVT_TREE_END_DRAG, self.OnEndDrag)
	49
	50
	51	def OnBeginDrag(self, event):
	52	item = event.GetItem()
	53
	54	if item != self.GetRootItem():
	55	self.draggingItem = item
	56	event.Allow() # if DnD of this item is okay Allow it.
	57
	58
	59	def OnEndDrag(self, evt):
	60	itemSrc = self.draggingItem
	61	itemDst = evt.GetItem()
	62	self.draggingItem = None
	63
	64	if not itemDst.IsOk():
	65	print "Can't drag to here..."
	66	return
	67
	68	# For this simple example just take the text of the source item
	69	# and append it to the destination item. In real life you would
	70	# possibly want to copy subtrees...
	71	text = self.GetItemText(itemSrc)
	72	self.AppendItem(itemDst, text)
	73	self.Delete(itemSrc)
	74
	75
	76	# Define a handler for start element events
	77	def StartElement(self, name, attrs ):
	78	if py2:
	79	name = name.encode()
	80
	81	id = self.AppendItem(self.nodeStack[-1], name)
	82	self.nodeStack.append(id)
	83
	84	def EndElement(self, name ):
	85	self.nodeStack = self.nodeStack[:-1]
	86
	87	def CharacterData(self, data ):
	88	if data.strip():
	89	if py2:
	90	data = data.encode()
	91
	92	self.AppendItem(self.nodeStack[-1], data)
	93
	94
	95	def LoadTree(self, filename):
	96	# Create a parser
	97	Parser = parsermodule.ParserCreate()
	98
	99	# Tell the parser what the start element handler is
	100	Parser.StartElementHandler = self.StartElement
	101	Parser.EndElementHandler = self.EndElement
	102	Parser.CharacterDataHandler = self.CharacterData
	103
	104	# Parse the XML File
	105	ParserStatus = Parser.Parse(open(filename,'r').read(), 1)
	106
	107
	108	def runTest(frame, nb, log):
	109	win = XMLTree(nb, -1)
	110	win.LoadTree("paper.xml")
	111	return win
	112
	113	#----------------------------------------------------------------------
	114
	115
	116
	117	overview = """\
	118	"""
	119
	120
	121	if __name__ == '__main__':
	122	import sys,os
	123	import run
	124	run.main(['', os.path.basename(sys.argv[0])])