In der Dokumentation vom NMT (http://infohost.nmt.edu/tcc/help/pubs/t ... eview.html) wird erwähnt, dass man das momentan selektierte Element mit der Abfrage
Code: Alles auswählen
iid = treeviewobject.focus()Code: Alles auswählen
iidWie schaff' ich es, das tatsächlich die richtige und nicht die vorherige iid zurückgegeben wird?
Hier mal mein Code für Euch:
Code: Alles auswählen
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
heavily inspired by:
http://stackoverflow.com/questions/16746387/tkinter-treeview-widget
"""
import os
import Tkinter as tk
import ttk
class DirectoryBrowser(tk.Frame):
def __init__(self, master, path):
self.path = os.path.abspath(path)
self.entries = {"": self.path}
self.root = None
# setup treeview and scrollbars
tk.Frame.__init__(self, master)
self.tree = ttk.Treeview(self)
ysb = ttk.Scrollbar(self,
orient='vertical',
command=self.tree.yview)
xsb = ttk.Scrollbar(self,
orient='horizontal',
command=self.tree.xview)
self.tree.configure(yscroll=ysb.set, xscroll=xsb.set)
self.tree.heading('#0', text='Path', anchor='w')
self.tree.bind("<Button-1>", self.update_subtree)
# fill treeview with root dir and the subdirs
iid = self.insert("", "end", self.path)
self.tree.focus(iid)
self.process_directory(iid, self.path)
# add tree and scrollbars to frame
self.tree.grid(in_=self, row=0, column=0, sticky="nsew")
ysb.grid(in_=self, row=0, column=1, sticky="ns")
xsb.grid(in_=self, row=1, column=0, sticky="ew")
self.rowconfigure(0, weight=1)
self.columnconfigure(0, weight=1)
self.pack(side=tk.TOP, fill=tk.BOTH, expand=tk.Y)
def insert(self, parent, index, path, name="", **kwargs):
"""Neues Element dem TreeView hinzufuegen.
"""
if "text" in kwargs:
err = "arg 'text' not available"
raise ValueError(err)
kwargs["text"] = path
if name:
kwargs["text"] = name
iid = self.tree.insert(parent, index, **kwargs)
self.entries[iid] = path
return iid
def process_directory(self, parent, path, depth=3):
if depth == 0:
return
for p in os.listdir(path):
abspath = os.path.join(path, p)
if os.path.isdir(abspath):
iid = self.insert(parent,
'end',
path=abspath,
name=p,
open=False)
self.process_directory(iid, abspath, depth-1)
# Callbacks
def update_subtree(self, event):
iid = self.tree.focus()
path = self.entries[iid]
# FIXME: falsche iid bei einfachem Klick
print "%s: %s" % (iid, path)
print iid in self.entries.keys()
#self.process_directory(iid, path)
def test():
root = tk.Tk()
verzeichnis = "~/Dokumente" # ...
app = DirectoryBrowser(root, path=verzeichnis)
app.mainloop()
if __name__ == "__main__":
test()
