diff options
author | Carl Hetherington <carl@carlh.net> | 2010-02-09 14:44:24 +0000 |
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committer | Carl Hetherington <carl@carlh.net> | 2010-02-09 14:44:24 +0000 |
commit | 5526aa29359a955eccc91527d8875b85eb298860 (patch) | |
tree | aba024ea4c8c60f65c2003881dda96f65abc4f54 /libs/pbd/stateful_diff_command.cc | |
parent | a5c59175eb561cca6b704d6c50ee20290cc9a210 (diff) |
Add missing files from previous commit.
git-svn-id: svn://localhost/ardour2/branches/3.0@6665 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/pbd/stateful_diff_command.cc')
-rw-r--r-- | libs/pbd/stateful_diff_command.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/libs/pbd/stateful_diff_command.cc b/libs/pbd/stateful_diff_command.cc new file mode 100644 index 0000000000..788a5be034 --- /dev/null +++ b/libs/pbd/stateful_diff_command.cc @@ -0,0 +1,61 @@ +/* + Copyright (C) 2010 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include "pbd/stateful_diff_command.h" + +using namespace std; +using namespace PBD; + +/** Create a new StatefulDiffCommand by examining the changes made to a Stateful + * since the last time that clear_history was called on it. + * @param s Stateful object. + */ + +StatefulDiffCommand::StatefulDiffCommand (Stateful* s) + : _object (s) +{ + pair<XMLNode *, XMLNode*> const p = s->diff (); + _before = p.first; + _after = p.second; +} + + +StatefulDiffCommand::~StatefulDiffCommand () +{ + delete _before; + delete _after; +} + +void +StatefulDiffCommand::operator() () +{ + _object->set_state (*_after, Stateful::current_state_version); +} + +void +StatefulDiffCommand::undo () +{ + _object->set_state (*_before, Stateful::current_state_version); +} + +XMLNode& +StatefulDiffCommand::get_state () +{ + /* XXX */ +} |