def ok(self, event=None):
'''
Overrides the DialogBox's ok method. It changes only in that
it first verifies that at least one checkbox was checked.
'''
if not self._check_selected(self._result, tkinter.BooleanVar.get):
return
DialogBox.ok(self, event)
def cancel(self, event=None):
'''
Overrides the DialogBox's cancel method. It changes only in
that it first verifies that at least one checkbox was checked.
'''
aos = AstronomicalObject.common_astronomical_objects
if not self._check_selected(aos, AstronomicalObject.is_selected):
return
DialogBox.cancel(self, event)
def __init__(self, parent, title):
'''
Instantiates the dialog box.
@precondition: none.
@postcondition: the dialog box is initialized and ready to
use.
@param parent: The parent window for this dialog box.
@param title: The title of the window.
'''
DialogBox.__init__(self, parent, DialogBox.OK, title)
def __init__(self, parent, group, title=None):
'''
Instantiates the dialog box.
@precondition: none.
@postcondition: the dialog box is initialized and ready to
use.
@param parent: The parent window for this dialog box.
@param title: The title for this dialog box. Optional.
'''
# We put these first because the __init__ below is going to
# use them.
self._result = []
self._group = group
self.distance = group.default_distance
self._distance_var = None
DialogBox.__init__(self, parent, DialogBox.OK_CANCEL, title)