/****************************************************************************+
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**+
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (developer.feedback@nokia.com)+
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**+
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** This file is part of the HbWidgets module of the UI Extensions for Mobile.+
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**+
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** GNU Lesser General Public License Usage+
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** This file may be used under the terms of the GNU Lesser General Public+
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** License version 2.1 as published by the Free Software Foundation and+
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** appearing in the file LICENSE.LGPL included in the packaging of this file.+
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** Please review the following information to ensure the GNU Lesser General+
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** Public License version 2.1 requirements will be met:+
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at developer.feedback@nokia.com.+
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**+
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****************************************************************************/+
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+
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#ifndef HBMODELITERATOR_H+
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#define HBMODELITERATOR_H+
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+
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#include <hbglobal.h>+
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#include <QAbstractItemModel>+
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#include <QExplicitlySharedDataPointer>+
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+
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class HbModelIteratorPrivate;+
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class HbAbstractItemView;+
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+
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class HB_WIDGETS_EXPORT HbModelIterator+
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{+
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public:+
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    explicit HbModelIterator(QAbstractItemModel *model = 0, QModelIndex rootIndex = QModelIndex());+
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    virtual ~HbModelIterator();+
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+
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    virtual int indexCount(const QModelIndex &parent = QModelIndex()) const;+
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    virtual int indexPosition(const QModelIndex &index) const;+
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    virtual QModelIndex index(int pos, const QModelIndex &parent = QModelIndex()) const;+
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+
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    virtual QModelIndex nextIndex(const QModelIndex &index) const;+
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    virtual QModelIndex previousIndex(const QModelIndex &index) const;+
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+
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    virtual bool lessThan(const QModelIndex &index1, const QModelIndex &index2) const;+
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+
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    QAbstractItemModel *model() const;+
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    QModelIndex rootIndex() const;+
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+
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private:+
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    virtual void setModel(QAbstractItemModel *model, QModelIndex rootIndex = QModelIndex());+
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    virtual void setRootIndex(QModelIndex rootIndex);+
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+
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    friend class HbAbstractItemView;+
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    friend class HbAbstractItemViewPrivate;+
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+
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protected:+
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    HbModelIterator(HbModelIteratorPrivate &dd);+
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+
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    HbModelIteratorPrivate *const d;+
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+
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private:+
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    Q_DECLARE_PRIVATE_D(d, HbModelIterator)+
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    Q_DISABLE_COPY(HbModelIterator)+
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};+
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+
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#endif // HBMODELITERATOR_H+
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