def do_iter_nth_child(self, parent, n):
""" Gtk.TreeModel """
if parent is None:
r = self.source
elif parent.stamp != self.stamp:
return (False, Gtk.TreeIter(stamp=-1))
else:
r = self._get_user_data(parent)
if self._row_has_child(r, n):
return (True, self._create_iter(user_data=r[n]))
return (False, Gtk.TreeIter(stamp=-1))
def do_iter_parent(self, child):
""" Gtk.TreeModel """
if not self.is_tree or child is None or (child.stamp != self.stamp):
return (False, Gtk.TreeIter(stamp=-1))
r = self._get_user_data(child)
if r is None or r is self.source:
return (False, Gtk.TreeIter(stamp=-1))
parent = r._parent or self.source
if parent is self.source:
return (False, Gtk.TreeIter(stamp=-1))
return (True, self._create_iter(user_data=parent))
def do_get_iter(self, path):
""" Gtk.TreeModel """
indices = path.get_indices()
r = self._get_row(indices)
if r is None:
return (False, Gtk.TreeIter(stamp=-1))
return (True, self._create_iter(user_data=r))
def _create_iter(self, user_data):
it = Gtk.TreeIter()
it.stamp = self.stamp
self._set_user_data(it, user_data)
return it
