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akonadi

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  • calendar
history.h
1 /*
2  Copyright (C) 2010-2012 Sérgio Martins <iamsergio@gmail.com>
3 
4  This library is free software; you can redistribute it and/or modify it
5  under the terms of the GNU Library General Public License as published by
6  the Free Software Foundation; either version 2 of the License, or (at your
7  option) any later version.
8 
9  This library is distributed in the hope that it will be useful, but WITHOUT
10  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
12  License for more details.
13 
14  You should have received a copy of the GNU Library General Public License
15  along with this library; see the file COPYING.LIB. If not, write to the
16  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  02110-1301, USA.
18 */
19 
20 #ifndef AKONADI_HISTORY_H
21 #define AKONADI_HISTORY_H
22 
23 #include "akonadi-calendar_export.h"
24 #include "incidencechanger.h"
25 
26 #include <kcalcore/incidence.h>
27 #include <akonadi/item.h>
28 #include <QWidget>
29 
30 namespace Akonadi {
31 
32 class IncidenceChanger;
33 
56 class AKONADI_CALENDAR_EXPORT History : public QObject {
57  Q_OBJECT
58 public:
65  enum ResultCode {
66  ResultCodeSuccess = 0,
67  ResultCodeError,
68  ResultCodeIncidenceChangerError
69  };
70 
74  ~History();
75 
87  void recordCreation( const Akonadi::Item &item,
88  const QString &description,
89  const uint atomicOperationId = 0 );
90 
105  void recordModification( const Akonadi::Item &oldItem,
106  const Akonadi::Item &newItem,
107  const QString &description,
108  const uint atomicOperationId = 0 );
109 
122  void recordDeletion( const Akonadi::Item &item,
123  const QString &description,
124  const uint atomicOperationId = 0 );
125 
134  void recordDeletions( const Akonadi::Item::List &items,
135  const QString &description,
136  const uint atomicOperationId = 0 );
137 
146  QString lastErrorString() const;
147 
154  void undoAll( QWidget *parent = 0 );
155 
159  bool undoAvailable() const;
160 
164  bool redoAvailable() const;
165 
174  QString nextUndoDescription() const;
175 
184  QString nextRedoDescription() const;
185 
186 public Q_SLOTS:
193  bool clear();
194 
208  void undo( QWidget *parent = 0 );
209 
223  void redo( QWidget *parent = 0 );
224 
225 Q_SIGNALS:
231  void undone( Akonadi::History::ResultCode resultCode );
232 
238  void redone( Akonadi::History::ResultCode resultCode );
239 
243  void changed();
244 
245 private:
246  void setEnabled( bool enabled ); // TODO: kill this ?
247 
248  friend class IncidenceChanger;
249  friend class Entry;
250 
251  // Only IncidenceChanger can create History classes
252  explicit History( QObject *parent = 0 );
253 
254  // Used by unit-tests
255  Akonadi::IncidenceChanger* incidenceChanger() const;
256 
257  //@cond PRIVATE
258  class Private;
259  Private *const d;
260  //@endcond
261 };
262 
263 }
264 
265 #endif
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