domain/undo/commandremovescene.cpp

0001 /***************************************************************************
0002  *   Copyright (C) 2013 by Linuxstopmotion contributors;                   *
0003  *   see the AUTHORS file for details.                                     *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program is distributed in the hope that it will be useful,       *
0011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program; if not, write to the                         *
0017  *   Free Software Foundation, Inc.,                                       *
0018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
0019  ***************************************************************************/
0020
0021 #include "commandremovescene.h"
0022
0023 #include "command.h"
0024 #include "commandaddscene.h"
0025 #include "src/domain/animation/animationimpl.h"
0026
0027 #include <memory>
0028
0029 class ErrorHandler;
0030
0031 UndoRemoveScene::UndoRemoveScene(AnimationImpl& model, int32_t sceneNumber)
0032         : sv(model), sc(sceneNumber) {
0033 }
0034
0035 UndoRemoveScene::~UndoRemoveScene() {
0036 }
0037
0038 Command* UndoRemoveScene::execute() {
0039     std::unique_ptr<CommandAddScene> inv(new CommandAddScene(sv, sc));
0040     inv->setScene(sv.removeScene(sc));
0041     delete this;
0042     return inv.release();
0043 }
0044
0045 UndoRemoveSceneFactory::UndoRemoveSceneFactory(AnimationImpl& model)
0046         : sv(model) {
0047 }
0048
0049 UndoRemoveSceneFactory::~UndoRemoveSceneFactory() {
0050 }
0051
0052 Command* UndoRemoveSceneFactory::create(Parameters& ps, ErrorHandler&) {
0053     int sceneCount = sv.sceneCount();
0054     if (sceneCount == 0)
0055         return 0;
0056     int32_t sc = ps.getInteger(0, sceneCount - 1);
0057     return new UndoRemoveScene(sv, sc);
0058 }