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

**

** 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 HBDATAFORM_H

#define HBDATAFORM_H

#include <hbabstractitemview.h>

class HbDataFormPrivate;

class HbStyleOptionDataForm;

class HbDataFormViewItem;

class HbDataFormModelItem;

class HB_WIDGETS_EXPORT HbDataForm : public HbAbstractItemView

{

    Q_OBJECT

    Q_PROPERTY(QString heading READ heading WRITE setHeading)

    Q_PROPERTY(QString description READ description WRITE setDescription)

public:

    explicit HbDataForm(QGraphicsItem *parent = 0);

    virtual ~HbDataForm();

    enum { Type = Hb::ItemType_DataForm };

    virtual int type() const {

        return Type;

    }

    virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible);

    void setExpanded(const QModelIndex &index, bool expanded);

    bool isExpanded(const QModelIndex &index) const;

    void setHeading(const QString &heading);

    QString heading() const;

    void setDescription(const QString &description);

    QString description() const;

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

    virtual void setModel(QAbstractItemModel *model, HbAbstractViewItem *prototype = 0);

    void addConnection(HbDataFormModelItem *item, const char* signal, 

        QObject *receiver, const char* slot);

    void removeConnection(HbDataFormModelItem *item, const char* signal, 

        QObject *receiver, const char* slot);

    void removeAllConnection();

    void removeAllConnection(HbDataFormModelItem *item);

signals:

    void itemShown(const QModelIndex &index);

protected slots:

    virtual void rowsInserted(const QModelIndex &parent, int start, int end);

    virtual void rowsAboutToBeRemoved(const QModelIndex &index, int start, int end);    

    virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

protected:

    HbDataForm(HbDataFormPrivate &dd, HbAbstractItemContainer *container, 

        QGraphicsItem * parent);

    void initStyleOption(HbStyleOptionDataForm *option);

private:

    Q_DECLARE_PRIVATE_D(d_ptr, HbDataForm)

    Q_DISABLE_COPY(HbDataForm)

    Q_PRIVATE_SLOT(d_func(), void _q_page_changed(int))

    Q_PRIVATE_SLOT(d_func(), void _q_item_displayed(const QModelIndex&))

    friend class HbDataFormViewItem;

};

#endif // HBDATAFORM_H