wx.GenericDirCtrl usage

gistfile1.py

# coding: utf-8
import wx


class MyDirCtrl(wx.GenericDirCtrl):

    def __init__(self, *args, **kwargs):
        wx.GenericDirCtrl.__init__(self, *args, **kwargs)
        tree = self.GetTreeCtrl()
        tree.Bind(wx.EVT_TREE_ITEM_EXPANDED, self.OnTreeExpanded)
        tree.CollapseAll()

    def OnTreeExpanded(self, evt):
        print 'expanded', evt


class GdctrApp(wx.App):

    def OnInit(self):
        self.frame = wx.Frame(None, -1, 'GenedicDirCtrl demo')
        self.panel = wx.Panel(self.frame)
        self.root_sizer = wx.BoxSizer(wx.VERTICAL)
        self.root_sizer.Add(self.panel, 1, wx.EXPAND|wx.ALL, 0)
        self.panel_sizer = wx.BoxSizer(wx.VERTICAL)
        self.gdctr = MyDirCtrl(self.panel, -1)
        self.panel_sizer.Add(self.gdctr, 1, wx.EXPAND|wx.ALL, 5)
        self.panel.SetSizer(self.panel_sizer)
        self.frame.SetSizer(self.root_sizer)
        self.SetTopWindow(self.frame)
        self.frame.Show(True)
        return True
             

if __name__=='__main__':
    app = GdctrApp(0)
    app.MainLoop()