/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#include <hbnamespace.h>

#include <nmmessageenvelope.h>

#include "nmhswidgetlistmodel.h"

#include "nmhswidgetlistmodelitem.h"

/*!

    \class NmHsWidgetListModel

    \brief The NmHsWidgetListModel class represents data model for message list.

    @alpha

    The NmHsWidgetListModel class uses NmHsWidgetListModelItem class to represent data returned in its'

    data method to get all information needed for one list row for a widget by calling the method

    once.

*/

/*!

    Constructor

 */

NmHsWidgetListModel::NmHsWidgetListModel(QObject *parent)

:QStandardItemModel(parent)

{

    NM_FUNCTION;

}

/*!

	Destructor

 */

NmHsWidgetListModel::~NmHsWidgetListModel()

{

    NM_FUNCTION;

    clear();

}

/*!

    Returns data specified by \a index. Only Qt::DisplayRole is supported in \a role.

    The refresh method must have been called before this method can return any real data.

 */

QVariant NmHsWidgetListModel::data(const QModelIndex &index, int role) const

{

    NM_FUNCTION;

    QVariant qVariant;

    if (index.isValid() && Qt::DisplayRole == role) {

        NmHsWidgetListModelItem *item = static_cast<NmHsWidgetListModelItem*>(itemFromIndex(index));

        NmMessageEnvelope *mailbox = item->itemMetaData();

        qVariant = QVariant::fromValue(mailbox);

    }

    return qVariant;

}

/*!

    This refreshes the data of the model.

    NOTE: safe guard any call to this function with try-catch.

 */

void NmHsWidgetListModel::refresh(

        QList<NmMessageEnvelope*> &envelopeList)

{

    NM_FUNCTION;

    clear();

    foreach(NmMessageEnvelope *env, envelopeList){

       NmHsWidgetListModelItem *item = createMessageListModelItem(env);

       appendRow(item);

    }

}

/*!

    Create mailbox item

    \param mailbox

 */

NmHsWidgetListModelItem* NmHsWidgetListModel::createMessageListModelItem(const NmMessageEnvelope* envelope)

{

    NM_FUNCTION;

    NmMessageEnvelope *newMeta = new NmMessageEnvelope(*envelope);

    NmHsWidgetListModelItem *item = new NmHsWidgetListModelItem();

    item->setItemMetaData(newMeta);

    item->setData(Hb::StandardItem, Hb::ItemTypeRole);

    return item;

}