# base class for tk common dialogues

#

# this module provides a base class for accessing the common

# dialogues available in Tk 4.2 and newer. use filedialog,

# colorchooser, and messagebox to access the individual

# dialogs.

#

# written by Fredrik Lundh, May 1997

#

__all__ = ["Dialog"]

from tkinter import _get_temp_root, _destroy_temp_root

class Dialog:

command = None

def __init__(self, master=None, **options):

if master is None:

master = options.get('parent')

self.master = master

self.options = options

def _fixoptions(self):

pass # hook

def _fixresult(self, widget, result):

return result # hook

def show(self, **options):

# update instance options

for k, v in options.items():

self.options[k] = v

self._fixoptions()

master = self.master

if master is None:

master = _get_temp_root()

try:

self._test_callback(master) # The function below is replaced for some tests.

s = master.tk.call(self.command, *master._options(self.options))

s = self._fixresult(master, s)

finally:

_destroy_temp_root(master)

return s

def _test_callback(self, master):

pass