/****************************************************************************
**
** Copyright (C) 2012 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 MODELNODEPOSITIONRECALCULATOR_H
#define MODELNODEPOSITIONRECALCULATOR_H

#include <QMap>
#include <QObject>
#include <QSet>

#include "modelnode.h"
#include "modelnodepositionstorage.h"
#include "textmodifier.h"

namespace QmlDesigner {
namespace Internal {

class ModelNodePositionRecalculator: public QObject
{
    Q_OBJECT

public:
    ModelNodePositionRecalculator(ModelNodePositionStorage *positionStore, const QList<ModelNode> &nodesToTrack):
            m_positionStore(positionStore), m_nodesToTrack(nodesToTrack)
    { Q_ASSERT(positionStore); }

    void connectTo(TextModifier *textModifier);

    QMap<int,int> dirtyAreas() const
    { return m_dirtyAreas; }

public slots:
    void replaced(int offset, int oldLength, int newLength);
    void moved(const TextModifier::MoveInfo &moveInfo);

private:
    ModelNodePositionStorage *m_positionStore;
    QList<ModelNode> m_nodesToTrack;
    QMap<int, int> m_dirtyAreas;
};

} // namespace Internal
} // namespace QmlDesigner

#endif // MODELNODEPOSITIONRECALCULATOR_H
