2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "pbd/stateful_diff_command.h"
25 /** Create a new StatefulDiffCommand by examining the changes made to a Stateful
26 * since the last time that clear_history was called on it.
27 * @param s Stateful object.
30 StatefulDiffCommand::StatefulDiffCommand (Stateful* s)
33 pair<XMLNode *, XMLNode*> const p = s->diff ();
39 StatefulDiffCommand::~StatefulDiffCommand ()
46 StatefulDiffCommand::operator() ()
48 _object->set_state (*_after, Stateful::current_state_version);
52 StatefulDiffCommand::undo ()
54 _object->set_state (*_before, Stateful::current_state_version);
58 StatefulDiffCommand::get_state ()