drop_file_target.py

import wx


class MyFileDropTarget(wx.FileDropTarget):
    """"""

    def __init__(self, window):
        """Constructor"""
        wx.FileDropTarget.__init__(self)
        self.window = window

    def OnDropFiles(self, x, y, filenames):
        """
        When files are dropped, write where they were dropped and then
        the file paths themselves
        """
        self.window.SetInsertionPointEnd()
        self.window.updateText("\n%d file(s) dropped at %d,%d:\n" %
                               (len(filenames), x, y))
        for filepath in filenames:
            self.window.updateText(filepath + '\n')    


class DnDPanel(wx.Panel):
    """"""

    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent=parent)

        file_drop_target = MyFileDropTarget(self)
        lbl = wx.StaticText(self, label="Drag some files here:")
        self.fileTextCtrl = wx.TextCtrl(self,
                                        style=wx.TE_MULTILINE|wx.HSCROLL|wx.TE_READONLY)
        self.fileTextCtrl.SetDropTarget(file_drop_target)

        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(lbl, 0, wx.ALL, 5)
        sizer.Add(self.fileTextCtrl, 1, wx.EXPAND|wx.ALL, 5)
        self.SetSizer(sizer)

    def SetInsertionPointEnd(self):
        """
        Put insertion point at end of text control to prevent overwriting
        """
        self.fileTextCtrl.SetInsertionPointEnd()

    def updateText(self, text):
        """
        Write text to the text control
        """
        self.fileTextCtrl.WriteText(text)


class DnDFrame(wx.Frame):
    """"""

    def __init__(self):
        """Constructor"""
        wx.Frame.__init__(self, parent=None, title="DnD Tutorial")
        panel = DnDPanel(self)
        self.Show()


if __name__ == "__main__":
    app = wx.App(False)
    frame = DnDFrame()
    app.MainLoop()