File indexing completed on 2024-05-12 16:35:14
0001 /* This file is part of the KDE project 0002 Copyright 2009 Stefan Nikolaus <stefan.nikolaus@kdemail.net> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LIB. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef KSPREAD_STYLE_STORAGE_UNDO_COMMAND 0021 #define KSPREAD_STYLE_STORAGE_UNDO_COMMAND 0022 0023 // Qt 0024 #include <QList> 0025 #include <QPair> 0026 #include <kundo2command.h> 0027 0028 // Sheets 0029 #include "StyleStorage.h" 0030 0031 namespace Calligra 0032 { 0033 namespace Sheets 0034 { 0035 0036 /** 0037 * \ingroup Commands 0038 * \brief An undo command for StyleStorage data. 0039 * 0040 * Implements undo functionality only. Glue it to another command, 0041 * that provides the appropriate applying (redoing). 0042 * 0043 * Used for recording undo data in CellStorage. 0044 */ 0045 class StyleStorageUndoCommand : public KUndo2Command 0046 { 0047 public: 0048 typedef QPair<QRectF, SharedSubStyle> Pair; 0049 0050 explicit StyleStorageUndoCommand(StyleStorage *storage, KUndo2Command *parent = 0); 0051 0052 void undo() override; 0053 0054 void add(const QList<Pair> &pairs); 0055 0056 StyleStorageUndoCommand& operator<<(const Pair &pair); 0057 StyleStorageUndoCommand& operator<<(const QList<Pair> &pairs); 0058 0059 private: 0060 StyleStorage *const m_storage; 0061 QList<Pair> m_undoData; 0062 }; 0063 0064 StyleStorageUndoCommand::StyleStorageUndoCommand(StyleStorage *storage, KUndo2Command *parent) 0065 : KUndo2Command(parent) 0066 , m_storage(storage) 0067 { 0068 } 0069 0070 void StyleStorageUndoCommand::undo() 0071 { 0072 for (int i = 0; i < m_undoData.count(); ++i) { 0073 m_storage->insert(m_undoData[i].first.toRect(), m_undoData[i].second); 0074 } 0075 KUndo2Command::undo(); // undo possible child commands 0076 } 0077 0078 void StyleStorageUndoCommand::add(const QList<Pair>& pairs) 0079 { 0080 m_undoData << pairs; 0081 } 0082 0083 StyleStorageUndoCommand& StyleStorageUndoCommand::operator<<(const Pair& pair) 0084 { 0085 m_undoData << pair; 0086 return *this; 0087 } 0088 0089 StyleStorageUndoCommand& StyleStorageUndoCommand::operator<<(const QList<Pair>& pairs) 0090 { 0091 m_undoData << pairs; 0092 return *this; 0093 } 0094 0095 } // namespace Sheets 0096 } // namespace Calligra 0097 0098 #endif // KSPREAD_STYLE_STORAGE_UNDO_COMMAND