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

**

** 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 HBTREEVIEWITEM_H

#define HBTREEVIEWITEM_H

#include <hblistviewitem.h>

#include <hbglobal.h>

#include <hbnamespace.h>

#include <hbstyle.h>

class HbTreeViewItemPrivate;

class HbStyleOptionTreeViewItem;

QT_BEGIN_NAMESPACE

class QPointF;

class QGraphicsItem;

QT_END_NAMESPACE

class HB_WIDGETS_EXPORT HbTreeViewItem : public HbListViewItem

{

    Q_OBJECT

    Q_PROPERTY(bool expanded READ isExpanded WRITE setExpanded)

public:

    enum StateKey

    { 

        ExpansionKey = 10

    };

    explicit HbTreeViewItem(QGraphicsItem *parent=0);

    virtual ~HbTreeViewItem();

    enum { Type = Hb::ItemType_TreeViewItem };

    virtual int type() const;

    virtual HbAbstractViewItem *createItem();

    virtual void updateChildItems();

    virtual QMap<int,QVariant> state() const;

    virtual void setState(const QMap<int,QVariant> &state);

    void setExpanded(bool expanded);

    bool isExpanded() const;

    virtual QGraphicsItem *primitive(HbStyle::Primitive primitive) const;

public slots:

    void updatePrimitives();

protected:

    HbTreeViewItem(const HbTreeViewItem &source);

    HbTreeViewItem &operator=(const HbTreeViewItem &source);

    HbTreeViewItem(HbTreeViewItemPrivate &dd, QGraphicsItem * parent);

    void initStyleOption(HbStyleOptionTreeViewItem *option) const;

private:

    Q_DECLARE_PRIVATE_D(d_ptr, HbTreeViewItem)

};

#endif // HBTREEVIEWITEM_H