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1
2import string
3import wx
4import images
5
6#---------------------------------------------------------------------------
7
8class MyTreeCtrl(wx.TreeCtrl):
9 def __init__(self, parent, id, pos, size, style, log):
10 wx.TreeCtrl.__init__(self, parent, id, pos, size, style)
11 self.log = log
12
13 def OnCompareItems(self, item1, item2):
14 t1 = self.GetItemText(item1)
15 t2 = self.GetItemText(item2)
16 self.log.WriteText('compare: ' + t1 + ' <> ' + t2 + '\n')
17 if t1 < t2: return -1
18 if t1 == t2: return 0
19 return 1
20
21#---------------------------------------------------------------------------
22
23class TestTreeCtrlPanel(wx.Panel):
24 def __init__(self, parent, log):
25 # Use the WANTS_CHARS style so the panel doesn't eat the Return key.
26 wx.Panel.__init__(self, parent, -1, style=wx.WANTS_CHARS)
27 self.Bind(wx.EVT_SIZE, self.OnSize)
28
29 self.log = log
30 tID = wx.NewId()
31
32 self.tree = MyTreeCtrl(self, tID, wx.DefaultPosition, wx.DefaultSize,
33 wx.TR_HAS_BUTTONS
34 | wx.TR_EDIT_LABELS
35 #| wx.TR_MULTIPLE
36 #| wx.TR_HIDE_ROOT
37 , self.log)
38
39 isz = (16,16)
40 il = wx.ImageList(isz[0], isz[1])
41 fldridx = il.Add(wx.ArtProvider_GetBitmap(wx.ART_FOLDER, wx.ART_OTHER, isz))
42 fldropenidx = il.Add(wx.ArtProvider_GetBitmap(wx.ART_FILE_OPEN, wx.ART_OTHER, isz))
43 fileidx = il.Add(wx.ArtProvider_GetBitmap(wx.ART_REPORT_VIEW, wx.ART_OTHER, isz))
44 smileidx = il.Add(images.getSmilesBitmap())
45
46 self.tree.SetImageList(il)
47 self.il = il
48
49 # NOTE: For some reason tree items have to have a data object in
50 # order to be sorted. Since our compare just uses the labels
51 # we don't need any real data, so we'll just use None below for
52 # the item data.
53
54 self.root = self.tree.AddRoot("The Root Item")
55 self.tree.SetPyData(self.root, None)
56 self.tree.SetItemImage(self.root, fldridx, wx.TreeItemIcon_Normal)
57 self.tree.SetItemImage(self.root, fldropenidx, wx.TreeItemIcon_Expanded)
58
59
60 for x in range(15):
61 child = self.tree.AppendItem(self.root, "Item %d" % x)
62 self.tree.SetPyData(child, None)
63 self.tree.SetItemImage(child, fldridx, wx.TreeItemIcon_Normal)
64 self.tree.SetItemImage(child, fldropenidx, wx.TreeItemIcon_Expanded)
65
66 for y in range(5):
67 last = self.tree.AppendItem(child, "item %d-%s" % (x, chr(ord("a")+y)))
68 self.tree.SetPyData(last, None)
69 self.tree.SetItemImage(last, fldridx, wx.TreeItemIcon_Normal)
70 self.tree.SetItemImage(last, fldropenidx, wx.TreeItemIcon_Expanded)
71
72 for z in range(5):
73 item = self.tree.AppendItem(last, "item %d-%s-%d" % (x, chr(ord("a")+y), z))
74 self.tree.SetPyData(item, None)
75 self.tree.SetItemImage(item, fileidx, wx.TreeItemIcon_Normal)
76 self.tree.SetItemImage(item, smileidx, wx.TreeItemIcon_Selected)
77
78 self.tree.Expand(self.root)
79 self.Bind(wx.EVT_TREE_ITEM_EXPANDED, self.OnItemExpanded, self.tree)
80 self.Bind(wx.EVT_TREE_ITEM_COLLAPSED, self.OnItemCollapsed, self.tree)
81 self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnSelChanged, self.tree)
82 self.Bind(wx.EVT_TREE_BEGIN_LABEL_EDIT, self.OnBeginEdit, self.tree)
83 self.Bind(wx.EVT_TREE_END_LABEL_EDIT, self.OnEndEdit, self.tree)
84 self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnActivate, self.tree)
85
86 self.tree.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDClick)
87 self.tree.Bind(wx.EVT_RIGHT_DOWN, self.OnRightClick)
88 self.tree.Bind(wx.EVT_RIGHT_UP, self.OnRightUp)
89
90
91
92 def OnRightClick(self, event):
93 pt = event.GetPosition();
94 item, flags = self.tree.HitTest(pt)
95 self.log.WriteText("OnRightClick: %s, %s, %s\n" %
96 (self.tree.GetItemText(item), type(item), item.__class__))
97 self.tree.SelectItem(item)
98
99
100 def OnRightUp(self, event):
101 pt = event.GetPosition();
102 item, flags = self.tree.HitTest(pt)
103 self.log.WriteText("OnRightUp: %s (manually starting label edit)\n"
104 % self.tree.GetItemText(item))
105 self.tree.EditLabel(item)
106
107
108
109 def OnBeginEdit(self, event):
110 self.log.WriteText("OnBeginEdit\n")
111 # show how to prevent edit...
112 if self.tree.GetItemText(event.GetItem()) == "The Root Item":
113 wx.Bell()
114 self.log.WriteText("You can't edit this one...\n")
115
116 # Lets just see what's visible of its children
117 cookie = 0
118 root = event.GetItem()
119 (child, cookie) = self.tree.GetFirstChild(root, cookie)
120
121 while child.IsOk():
122 self.log.WriteText("Child [%s] visible = %d" %
123 (self.tree.GetItemText(child),
124 self.tree.IsVisible(child)))
125 (child, cookie) = self.tree.GetNextChild(root, cookie)
126
127 event.Veto()
128
129
130 def OnEndEdit(self, event):
131 self.log.WriteText("OnEndEdit\n")
132 # show how to reject edit, we'll not allow any digits
133 for x in event.GetLabel():
134 if x in string.digits:
135 self.log.WriteText("You can't enter digits...\n")
136 event.Veto()
137 return
138
139
140 def OnLeftDClick(self, event):
141 pt = event.GetPosition();
142 item, flags = self.tree.HitTest(pt)
143 self.log.WriteText("OnLeftDClick: %s\n" % self.tree.GetItemText(item))
144 parent = self.tree.GetItemParent(item)
145 self.tree.SortChildren(parent)
146 event.Skip()
147
148
149 def OnSize(self, event):
150 w,h = self.GetClientSizeTuple()
151 self.tree.SetDimensions(0, 0, w, h)
152
153
154 def OnItemExpanded(self, event):
155 item = event.GetItem()
156 self.log.WriteText("OnItemExpanded: %s\n" % self.tree.GetItemText(item))
157
158 def OnItemCollapsed(self, event):
159 item = event.GetItem()
160 self.log.WriteText("OnItemCollapsed: %s\n" % self.tree.GetItemText(item))
161
162 def OnSelChanged(self, event):
163 self.item = event.GetItem()
164 self.log.WriteText("OnSelChanged: %s\n" % self.tree.GetItemText(self.item))
165 if wx.Platform == '__WXMSW__':
166 self.log.WriteText("BoundingRect: %s\n" %
167 self.tree.GetBoundingRect(self.item, True))
168 #items = self.tree.GetSelections()
169 #print map(self.tree.GetItemText, items)
170 event.Skip()
171
172
173 def OnActivate(self, event):
174 self.log.WriteText("OnActivate: %s\n" % self.tree.GetItemText(self.item))
175
176
177#---------------------------------------------------------------------------
178
179def runTest(frame, nb, log):
180 win = TestTreeCtrlPanel(nb, log)
181 return win
182
183#---------------------------------------------------------------------------
184
185
186
187
188
189overview = """\
190A TreeCtrl presents information as a hierarchy, with items that may be
191expanded to show further items. Items in a tree control are referenced by
192wx.TreeItemId handles.
193
194"""
195
196
197
198if __name__ == '__main__':
199 import sys,os
200 import run
201 run.main(['', os.path.basename(sys.argv[0])])
202