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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])]) |