1 /*
2  * reparentlayers.h
3  * Copyright 2017, Thorbjørn Lindeijer <bjorn@lindeijer.nl>
4  *
5  * This file is part of Tiled.
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This program is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along with
18  * this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #pragma once
22 
23 #include <QUndoCommand>
24 #include <QVector>
25 
26 namespace Tiled {
27 
28 class GroupLayer;
29 class Layer;
30 
31 class MapDocument;
32 
33 /**
34  * Undo command that changes the parent or index of a given set of layers.
35  */
36 class ReparentLayers : public QUndoCommand
37 {
38 public:
39     ReparentLayers(MapDocument *mapDocument,
40                    const QList<Layer *> &layers,
41                    GroupLayer *layerParent,
42                    int index,
43                    QUndoCommand *parent = nullptr);
44 
45     void undo() override;
46     void redo() override;
47 
48 private:
49     MapDocument * const mMapDocument;
50     QList<Layer *> mLayers;
51     GroupLayer * const mLayerParent;
52     int const mIndex;
53 
54     struct UndoInfo {
55         GroupLayer *parent;
56         int oldIndex;
57     };
58     QVector<UndoInfo> mUndoInfo;
59 };
60 
61 } // namespace Tiled
62