/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef CACHEPROXYHELPER_H

#define CACHEPROXYHELPER_H

#include <hgwidgets/hgcacheproxymodel.h>

class CacheProxyHelper: public QObject

{

    Q_OBJECT

public:

    CacheProxyHelper(HgCacheProxyModel *model, QObject *parent = 0);

    ~CacheProxyHelper();

private slots:

    void slotDataChanged(QModelIndex from,QModelIndex to);

    void slotHeaderDataChanged(Qt::Orientation orientation, int first, int last);

    void slotRowsAboutToBeInserted(QModelIndex parent,int from,int to);

    void slotRowsInserted(QModelIndex parent,int from,int to);

    void slotColumnsAboutToBeInserted(QModelIndex parent,int from,int to);

    void slotColumnsInserted(QModelIndex parent,int from,int to);

    void slotRowsAboutToBeRemoved(QModelIndex parent,int from,int to);

    void slotRowsRemoved(QModelIndex parent,int from,int to);

    void slotColumnsAboutToBeRemoved(QModelIndex parent,int from,int to);

    void slotColumnsRemoved(QModelIndex parent,int from,int to);

    void slotLayoutAboutToBeChanged();

    void slotLayoutChanged();

    void slotModelAboutToBeReset();

    void slotModelReset();

public:

    QList< QPair< int, int > > getSignalDataChanged();

    QList< QPair< int, int > > getSignalHeaderDataChanged();

    QList< QPair< int, int > > getSignalRowsAboutToBeInserted();

    QList< QPair< int, int > > getSignalRowsInserted();

    QList< QPair< int, int > > getSignalColumnsAboutToBeInserted();

    QList< QPair< int, int > > getSignalColumnsInserted();

    QList< QPair< int, int > > getSignalRowsAboutToBeRemoved();

    QList< QPair< int, int > > getSignalRowsRemoved();

    QList< QPair< int, int > > getSignalColumnsAboutToBeRemoved();

    QList< QPair< int, int > > getSignalColumnsRemoved();

    bool getSignalLayoutAboutToBeChanged();

    bool getSignalLayoutChanged();

    bool getSignalModelAboutToBeReset();

    bool getSignalModelReset();

private:

	HgCacheProxyModel* mModel;

    QList< QPair< int, int > > mSignalDataChanged;

    QList< QPair< int, int > > mSignalHeaderDataChanged;

    QList< QPair< int, int > > mSignalRowsAboutToBeInserted;

    QList< QPair< int, int > > mSignalRowsInserted;

    QList< QPair< int, int > > mSignalColumnsAboutToBeInserted;

    QList< QPair< int, int > > mSignalColumnsInserted;

    QList< QPair< int, int > > mSignalRowsAboutToBeRemoved;

    QList< QPair< int, int > > mSignalRowsRemoved;

    QList< QPair< int, int > > mSignalColumnsAboutToBeRemoved;

    QList< QPair< int, int > > mSignalColumnsRemoved;

    bool mSignalLayoutAboutToBeChanged;

    bool mSignalLayoutChanged;

    bool mSignalModelAboutToBeReset;

    bool mSignalModelReset;

};

#endif // CACHEPROXYHELPER_H