/*

* Copyright (c) 2009 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 <QBrush>

#include "irqisdsdatastructure.h"

#include "iruidefines.h"

#include "ircategorymodel.h"

IRCategoryModel::IRCategoryModel(QObject *aParent) : QAbstractListModel(aParent), iItems(NULL)

{

}

IRCategoryModel::~IRCategoryModel()

{

    destroyAllItems();

    delete iItems;

    iItems = NULL;

}

int IRCategoryModel::rowCount(const QModelIndex &aParent) const

{

    Q_UNUSED(aParent);

    if (iItems)

    {

        int count = iItems->count();

        return count;

    }

    return 0;

}

QVariant IRCategoryModel::data(const QModelIndex &aIndex, int aRole) const

{

    if (!aIndex.isValid())

        return QVariant();

    if (aIndex.row() >= iItems->count())

        return QVariant();

    if (aRole == Qt::DisplayRole)

    {

        int row = aIndex.row();

        QString catNum;

        catNum.setNum(iItems->at(row)->size);

        QString secondaryText = catNum + QString(" Stations");

        QVariantList list;

        list.append(iItems->at(row)->catName);

        list.append(secondaryText);

        return list;

    }

    else if (aRole == Qt::BackgroundRole)

    {

        if (aIndex.row() % 2 == 0)

        {

            return QBrush(KListEvenRowColor);

        }

        else

        {

            return QBrush(KListOddRowColor);

        }

    }

    return QVariant();

}

const QString& IRCategoryModel::categoryName(const QModelIndex &aIndex) const

{

    int row = aIndex.row();

    Q_ASSERT(row >= 0 && row < iItems->count());

    return iItems->at(row)->catName;

}

void IRCategoryModel::categoryReceived(QList<IRQBrowseCategoryItem*> *aItems)

{

    destroyAllItems();

    delete iItems;

    iItems = aItems;

    emit dataChanged();

}

void IRCategoryModel::destroyAllItems()

{

    if (iItems)

    {

        while (!iItems->isEmpty())

        {

            IRQBrowseCategoryItem *firstItem = iItems->takeFirst();

            delete firstItem;

        }

    }

}