TYActionManager.h

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/*
 * Copyright (C) <2012> <EDF-R&D> <FRANCE>
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __TY_ACTION_MANAGER__
#define __TY_ACTION_MANAGER__
 
#include <qobject.h>
#include <qlist.h>
#include "TYAction.h"
 
class TYActionManager : public QObject
{
    Q_OBJECT
 
public:
    TYActionManager(int size);
    virtual ~TYActionManager();
 
    void setModified(bool modified);
    bool getModified() const
    {
        return _modified;
    }
 
    void addAction(TYAction* pAction);
 
    void emitUndoRedo();
 
    int getHistorySize()
    {
        return _size;
    }
 
public slots:
    void undo();
 
    void redo();
 
    void setHistorySize(int size);
 
    void reset();
 
signals:
    void undoRedoChanged(bool undoAvailable, bool redoAvailable, const QString& undoCmd,
                         const QString& redoCmd);
    void modificationChanged(bool modified);
 
protected:
    QList<TYAction*> _history;
 
    int _current;
 
    int _savedAt;
 
    int _size;
 
    bool _modified;
};
 
#endif // __TY_ACTION_MANAGER__