jetzt habe ich bereits ein paar Stunden Suche/Recherche hinter mir - leider erfolglos.
Wie erreicht man, dass bei einem Klick auf den Spaltenkopf das Treeview **richtig** sortiert wird?
Hier mein Code:
Code: Alles auswählen
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Thanks to
---------------------------------------------------------------------
heavily inspired by:
on http://stackoverflow.com/questions
.../19749476/3-different-issues-with-ttk-treeviews-in-python
on http://stackoverflow.com/questions
.../1966929/tk-treeview-column-sort/1967793#1967793
"""
import os
import logging
from copy import copy
import ttk
try:
import Tkinter as tk
#import tkFont
except ImportError: # py3k
import tkinter as tk
#import tkinter.font as tkFont
Logger = logging.getLogger("root")
NL = os.linesep
TAB = " "
NTAB = NL + TAB
NLST = NL + " - "
class DatasetView(ttk.Frame):
def __init__(self, master, header=(), datasets=(), id_at_first=False):
Logger.debug("<DatasetView> startet mit master %s",
str(master) + NL +
"und headerset:" +
NLST + NLST.join(header) + NL +
"und datasets:" +
NLST + NLST.join([unicode(d) for d in datasets]))
ttk.Frame.__init__(self, master)
###
# model
self.header = {}
self.datasets = {}
self.__sorted_view = {} # asc -> True, desc -> False,
###
# view
self.__setup_widgets()
Logger.debug("<DatasetView> widgets created")
###
# add Data
if header:
self.setup_header(header)
if datasets:
for dataset in datasets:
self.add_dataset(dataset, id_at_first)
def __setup_widgets(self):
self.table = ttk.Treeview(self)
ysb = ttk.Scrollbar(self,
orient='vertical',
command=self.table.yview)
xsb = ttk.Scrollbar(self,
orient='horizontal',
command=self.table.xview)
self.table.config(yscroll=ysb.set, xscroll=xsb.set)
self.table.column('#0', width=50)
#self.tree.heading('#0', text='Path', anchor='w')
#self.tree.bind("<<TreeviewSelect>>", self.update_subtree)
# add tree and scrollbars to frame
self.table.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 setup_header(self, header, **kwargs):
Logger.debug("<DatasetView> set_header startet [%s, %s]",
header, kwargs)
self.table.config(columns=header)
for i, item in enumerate(header):
self.header[i] = item
self.header[item] = i
self.__sorted_view[i] = False
self.table.heading(i,
text=item,
command=lambda: \
self.sort(i, not self.__sorted_view[i]))
Logger.debug("<DatasetView> set_header fertig")
def add_dataset(self, dataset, id_at_first=True):
Logger.debug("<DatasetView> add_dataset startet [%s]", dataset)
data = list(dataset[:min(len(dataset), len(self.header))])
if id_at_first:
self.datasets[data[0]] = data
else:
key = len(self.datasets)
self.datasets[key] = data
data.insert(0, key)
self.table.insert("", "end", iid=data[0], text=data[0],
values=data[1:])
Logger.debug("<DatasetView> add_dataset fertig")
def insert_dataset(self, pos, dataset):
# TODO: to implement
pass
def sort(self, col, reverse=False):
Logger.debug("<DatasetView> sort startet [%s, reverse=%s]",
col, reverse)
nr = 0
if isinstance(col, (str, unicode)):
nr = self.header[col]
elif isinstance(col, (int, long, float)):
nr = int(col)
spalte = [(self.table.set(k, nr), k)
for k in self.table.get_children('')]
Logger.debug("<DatasetView> spalte: %s", spalte)
spalte.sort(reverse=reverse)
Logger.debug("<DatasetView> spalte: %s", spalte)
for index, (val, k) in enumerate(spalte):
self.table.move(k, '', index)
self.__sorted_view[nr] = not self.__sorted_view[nr]
Logger.debug("<DatasetView> fertig")
if __name__ == "__main__":
FORMAT_TWOLINES = \
"[%(lineno)4d:%(name)s.%(module)s.%(funcName)s]\n" + \
"%(levelname)7s: %(message)s"
logging.basicConfig(level=logging.DEBUG,
fmt=FORMAT_TWOLINES
)
root = tk.Tk()
root.title("DatasetView")
personen = [
("Amann", "Amelie", "II"),
("Berger", u"Björn", "II"),
("Cole", "Celina", "II"),
("Dorfner", "Dieter", "II"),
("Ebner", "Emeli", "II"),
("Fruth", "Fabian", "II"),
("Gos", "Gerlinde", "II"),
]
tabelle = DatasetView(root,
header=("Nachname", "Vorname", "Abteilung"),
datasets=personen,
id_at_first=False)
tabelle.pack()
root.mainloop()
