import wx 
 
class TestFrame(wx.Frame): 
    def __init__(self): 
        wx.Frame.__init__(self, None, title="tree: misc tests", size=(400,500)) 
 
        il = wx.ImageList(16,16) 
 
        self.fldridx = il.Add(wx.ArtProvider.GetBitmap(wx.ART_FOLDER, wx.ART_OTHER, (16,16))) 
        self.fldropenidx = il.Add(wx.ArtProvider.GetBitmap(wx.ART_FILE_OPEN,   wx.ART_OTHER, (16,16))) 
        self.fileidx = il.Add(wx.ArtProvider.GetBitmap(wx.ART_NORMAL_FILE, wx.ART_OTHER, (16,16))) 
         
        self.tree = wx.TreeCtrl(self, style=wx.TR_DEFAULT_STYLE | wx.TR_EDIT_LABELS) 
 
        self.tree.AssignImageList(il) 
 
        root = self.tree.AddRoot("wx.Object") 
        self.tree.SetItemPyData(root, None) 
        self.tree.SetItemImage(root, self.fldridx,wx.TreeItemIcon_Normal) 
        self.tree.SetItemImage(root, self.fldropenidx,wx.TreeItemIcon_Expanded) 
         
        tree = ["A","B","C","D","E","F","G","H"] 
 
        self.AddTreeNodes(root, tree) 
 
        self.tree.Expand(root) 
 
        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnActivated, self.tree) 
        self.Bind(wx.EVT_TREE_BEGIN_LABEL_EDIT, self.OnBeginEdit, self.tree) 
             
    def GetItemText(self, item): 
        if item: 
            return self.tree.GetItemText(item) 
        else: 
            return "" 
         
 
    def OnActivated(self, evt): 
        print "OnActivated:    ", self.GetItemText(evt.GetItem()) 
 
 
    def OnBeginEdit(self, evt): 
        print "OnBeginEdit:    ", self.GetItemText(evt.GetItem()) 
        item = evt.GetItem() 
        if item == self.tree.GetRootItem(): 
            evt.Veto() 
            print "*** Edit was vetoed!" 
    def AddTreeNodes(self, parentItem, items): 
        for item in items: 
            if type(item) == str: 
                newItem = self.tree.AppendItem(parentItem, item) 
                self.tree.SetItemPyData(newItem, None) 
                self.tree.SetItemImage(newItem, self.fileidx,wx.TreeItemIcon_Normal) 
            else: 
                newItem = self.tree.AppendItem(parentItem, item[0]) 
                self.tree.SetItemPyData(newItem, None) 
                self.tree.SetItemImage(newItem, self.fldridx,wx.TreeItemIcon_Normal) 
                self.tree.SetItemImage(newItem, self.fldropenidx,wx.TreeItemIcon_Expanded) 
    
                self.AddTreeNodes(newItem, item[1]) 
 
app = wx.PySimpleApp(redirect=True) 
frame = TestFrame() 
frame.Show() 
app.MainLoop()
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