/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef REWRITERTRANSACTION_H
#define REWRITERTRANSACTION_H

#include <qmldesignercorelib_global.h>

#include <QWeakPointer>

namespace QmlDesigner {

class AbstractView;

class QMLDESIGNERCORE_EXPORT RewriterTransaction
{
public:
    RewriterTransaction();
    RewriterTransaction(AbstractView *view);
    ~RewriterTransaction();
    void commit();
    void rollback();
    RewriterTransaction(const RewriterTransaction &other);
    RewriterTransaction& operator=(const RewriterTransaction &other);

    bool isValid() const;

protected:
    AbstractView *view();
private:
   QWeakPointer<AbstractView> m_view;
   mutable bool m_valid;
};

} //QmlDesigner

#endif // REWRITERTRANSACTION_H