domain/undo/commandremovesound.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 "commandremovesound.h"
0022
0023 #include <memory>
0024
0025 #include "commandaddsound.h"
0026 #include "src/domain/animation/frame.h"
0027 #include "src/domain/animation/scene.h"
0028 #include "src/domain/animation/animationimpl.h"
0029 #include "src/domain/undo/command.h"
0030
0031 class Sound;
0032
0033 CommandRemoveSound::CommandRemoveSound(AnimationImpl& model, int32_t scene,
0034         int32_t frame, int32_t soundNumber)
0035     : sv(model), sc(scene), fr(frame), index(soundNumber) {
0036 }
0037
0038 CommandRemoveSound::~CommandRemoveSound() {
0039 }
0040
0041 Command* CommandRemoveSound::execute() {
0042     std::unique_ptr<CommandAddSound> inv(
0043             new CommandAddSound(sv, sc, fr, index));
0044     Sound* s = sv.removeSound(sc, fr, index);
0045     inv->setSound(s);
0046     delete this;
0047     return inv.release();
0048 }
0049
0050 UndoRemoveSoundFactory::UndoRemoveSoundFactory(AnimationImpl& model)
0051     : sv(model) {
0052 }
0053
0054 UndoRemoveSoundFactory::~UndoRemoveSoundFactory() {
0055 }
0056
0057 Command* UndoRemoveSoundFactory::create(Parameters& ps, ErrorHandler&) {
0058     int sceneCount = sv.sceneCount();
0059     if (sceneCount == 0)
0060         return 0;
0061     int32_t sc = ps.getInteger(0, sceneCount - 1);
0062     int frameCount = sv.frameCount(sc);
0063     if (frameCount == 0)
0064         return 0;
0065     int32_t fr = ps.getInteger(0, frameCount - 1);
0066     int soundCount = sv.getScene(sc)->getFrame(fr)->soundCount();
0067     if (soundCount == 0)
0068         return 0;
0069     int32_t index = ps.getInteger(0, soundCount - 1);
0070     return new CommandRemoveSound(sv, sc, fr, index);
0071 }