/****************************************************************************+
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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 HBTREEVIEW_H+
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#define HBTREEVIEW_H+
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+
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#include <hbabstractitemview.h>+
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#include <hbglobal.h>+
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+
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class HbTreeViewPrivate;+
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class HbAbstractItemContainer;+
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class HbAbstractViewItem;+
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class HbTreeModelIterator;+
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+
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QT_BEGIN_NAMESPACE+
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class QModelIndex;+
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class QGraphicsSceneMouseEvent;+
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class QAbstractItemModel;+
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class QItemSelection;+
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QT_END_NAMESPACE+
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+
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class HB_WIDGETS_EXPORT HbTreeView : public HbAbstractItemView+
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{+
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    Q_OBJECT+
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    Q_PROPERTY(qreal indentation READ indentation WRITE setIndentation)+
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+
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public:+
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+
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    explicit HbTreeView(QGraphicsItem *parent = 0);+
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    virtual ~HbTreeView();    +
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+
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    virtual void setModel(QAbstractItemModel *model, HbAbstractViewItem *prototype = 0);+
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+
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    virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible);+
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+
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    void setExpanded(const QModelIndex &index, bool expanded);+
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    bool isExpanded(const QModelIndex &index) const;+
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+
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    void setIndentation(qreal indentation);+
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    qreal indentation() const;+
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+
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public slots:+
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    void reset();+
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    void setRootIndex(const QModelIndex &index);+
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+
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protected:+
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    HbTreeView(HbTreeViewPrivate &dd, HbAbstractItemContainer *container, QGraphicsItem *parent);+
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+
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    virtual void currentSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);+
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+
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    virtual void rowsInserted(const QModelIndex &parent, int start, int end);+
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    +
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    virtual void rowsAboutToBeRemoved(const QModelIndex &index, int start, int end);+
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    virtual void rowsRemoved(const QModelIndex &parent, int start, int end);+
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    +
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    virtual void columnsInserted(const QModelIndex &parent, int start, int end);+
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    virtual void columnsRemoved(const QModelIndex &parent, int start, int end);+
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+
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    virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);+
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+
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private:+
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    Q_DISABLE_COPY(HbTreeView)+
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    Q_DECLARE_PRIVATE_D(d_ptr, HbTreeView)+
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};+
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+
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#endif // HBTREEVIEW_H+
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