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

**

** 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 HBDATAFORMITEM_H

#define HBDATAFORMITEM_H

#include <hbabstractviewitem.h>

class HbDataFormModel;

class HbDataFormModelItem;

class HbStyleOptionDataFormViewItem;

class HbDataFormViewItemPrivate;

class HB_WIDGETS_EXPORT HbDataFormViewItem : public HbAbstractViewItem

{

    Q_OBJECT

public:

    enum StateKey {

        ExpansionKey = 10

    };

    explicit HbDataFormViewItem(QGraphicsItem *parent = 0);

    virtual ~HbDataFormViewItem();

    enum {Type = Hb::ItemType_DataFormViewItem};

    virtual int type() const {

        return Type;

    }

    virtual HbAbstractViewItem* createItem();

    virtual bool canSetModelIndex(const QModelIndex &index) const;

    virtual void updateChildItems();

    void setExpanded(bool expanded);

    bool isExpanded() const;

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

    QMap<int,QVariant> state() const;

    HbWidget* contentWidget() const;

    HbWidget* dataItemContentWidget()const;

public slots:

    virtual void load();

    virtual void store();

    virtual void restore();

    virtual void save();

signals:

    void itemShown(const QModelIndex&);

    void itemDestroyed(QPersistentModelIndex);

    void itemModified(QPersistentModelIndex, QVariant);

protected:

    HbDataFormViewItem(HbDataFormViewItemPrivate &dd, QGraphicsItem *parent = 0);

    HbDataFormViewItem(const HbDataFormViewItem &source);

    HbDataFormViewItem& operator=(const HbDataFormViewItem &source);

    virtual HbWidget* createCustomWidget();

    virtual void pressStateChanged(bool value, bool animate);

    void initStyleOption(HbStyleOptionDataFormViewItem *option) const;

    void showEvent(QShowEvent * event);

private:

    Q_DECLARE_PRIVATE_D(d_ptr, HbDataFormViewItem)

};

#endif //HBDATAFORMITEM_H