/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbWidgets module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** 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, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBTREELAYOUT_P_H

#define HBTREELAYOUT_P_H

#include <QGraphicsLayout>

#include <hbglobal.h>

class HbTreeView;

class HbTreeLayoutPrivate;

class HB_AUTOTEST_EXPORT HbTreeLayout : public QGraphicsLayout

{

public:

    HbTreeLayout(QGraphicsLayoutItem *parent = 0);

    virtual ~HbTreeLayout();

    void addItem(QGraphicsLayoutItem *item, int level, bool animate);

    void insertItem(int index, QGraphicsLayoutItem *item, int level, bool animate);

    int indexOf(QGraphicsLayoutItem *item) const;

    void removeItem( QGraphicsLayoutItem *item, bool animate );

    void setItemLevel(QGraphicsLayoutItem *item, int level);

    void setIndentation(qreal indentation);

    qreal indentation() const;

    qreal smallestItemHeight() const;

public: // From base classes

    virtual int count() const;

    virtual QGraphicsLayoutItem *itemAt(int i) const;

    virtual void removeAt(int index);

    virtual void setGeometry( const QRectF &rect );

    virtual void invalidate();

protected:

    virtual QSizeF sizeHint ( Qt::SizeHint which, const QSizeF &constraint = QSizeF( ) ) const;

private:

    HbTreeLayoutPrivate *d;

};

#endif // HBTREELAYOUT_P_H