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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef PROCOMMANDMANAGER_H
#define PROCOMMANDMANAGER_H
#include "namespace_global.h"
#include <QtCore/QModelIndex>
QT_BEGIN_NAMESPACE
class ProItem;
QT_END_NAMESPACE
namespace Qt4ProjectManager {
namespace Internal {
class ProCommand
{
public:
virtual ~ProCommand() {}
virtual bool redo() = 0;
virtual void undo() = 0;
};
class ProCommandGroup
{
public:
ProCommandGroup(const QString &name);
~ProCommandGroup();
void appendCommand(ProCommand *cmd);
void undo();
void redo();
private:
QString m_name;
QList<ProCommand *> m_commands;
};
class ProCommandManager : public QObject
{
Q_OBJECT
public:
ProCommandManager(QObject *parent);
~ProCommandManager();
void beginGroup(const QString &name);
void endGroup();
// excutes the Command and adds it to the open group
bool command(ProCommand *cmd);
bool hasGroup() const;
bool isDirty() const;
void notifySave();
bool canUndo() const;
bool canRedo() const;
public slots:
void undo();
void redo();
signals:
void modified();
private:
ProCommandGroup *m_group;
QList<ProCommandGroup *> m_groups;
int m_pos;
ProCommandGroup *m_savepoint;
};
} //namespace Internal
} //namespace Qt4ProjectManager
#endif // PROCOMMANDMANAGER_H
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