/*

* 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: HgWidgetDataModel implementation

*

*/

#include <QBrush>

#include <HbIcon>

#include <hgwidgets/hgwidgets.h>

#include <QPainter>

#include "locationpickertypes.h"

#include "hgwidgetdatamodel.h"

#include "locationpickerproxymodel.h"

const int MAPSTROKE(3);

// ----------------------------------------------------------------------------

// HgWidgetDataModel::HgWidgetDataModel()

// ----------------------------------------------------------------------------

HgWidgetDataModel::HgWidgetDataModel( LocationPickerProxyModel *aProxyModel, QObject *aParent )

    : QAbstractListModel(aParent),

      mImageType(ETypeHbIcon),

      mDefaultImage(KDummyImage),

      mUseLowResImages(false),

      mProxyModel(NULL)

{

    mProxyModel  = aProxyModel;   

}

// ----------------------------------------------------------------------------

// HgWidgetDataModel::resetModel()

// ----------------------------------------------------------------------------

void HgWidgetDataModel::resetModel( LocationPickerProxyModel *aProxyModel )

{   

    //reset and update

    mProxyModel = aProxyModel;

    reset();

    emit beginResetModel();

    emit endResetModel();

}

// ----------------------------------------------------------------------------

// HgWidgetDataModel::~HgWidgetDataModel()

// ----------------------------------------------------------------------------

HgWidgetDataModel::~HgWidgetDataModel()

{

}

// ----------------------------------------------------------------------------

// HgWidgetDataModel::rowCount()

// ----------------------------------------------------------------------------

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

{

    Q_UNUSED(aParent);

    return mProxyModel->rowCount(QModelIndex());

}

// ----------------------------------------------------------------------------

// HgWidgetDataModel::data()

// ----------------------------------------------------------------------------

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

{   

    Q_ASSERT(aIndex.row()>=0);

    int row= aIndex.row();

    int col = aIndex.column();

    //get proxy model index

    QModelIndex proxyModelIndex = mProxyModel->index(row,col);

    QVariant returnValue = QVariant();

    if ( !aIndex.isValid() )

    {

        return returnValue;

    }

    if( row >= mProxyModel->rowCount(QModelIndex()) )

    {

        return returnValue;

    }

    switch ( aRole )

    {

        case HgWidget::HgVisibilityRole:

        {

            returnValue = true;

        }

        break;

        case Qt::DisplayRole:

        {

            QStringList displayText;

            QString adressDetail = mProxyModel->data(proxyModelIndex,Qt::DisplayRole).toString();

            QString text("");

            displayText <<adressDetail<<text;

            returnValue = displayText;

            break;

        }

        case Qt::DecorationRole:

        {

            //get icon name from data model

            QString iconName =  mProxyModel->data(proxyModelIndex,Qt::DecorationRole).toString();

            if (iconName.isNull()) 

            {

                returnValue = mDefaultImage;

            }

            else 

            {   

                QString adressType =  mProxyModel->data(proxyModelIndex,Qt::UserRole+1).toString();

                QPixmap mapPixmap(iconName);

                int mapWidth = mapPixmap.width();

                int mapHeight = mapPixmap.height();

                QBrush brush(Qt::black,Qt::SolidPattern);

                QPainter painter;

                painter.begin(&mapPixmap);

                HbIcon adressTypeIcon(adressType);

                //draw the adressType Icon over mapTile Icon

                QPixmap adressTypePixmap = adressTypeIcon.pixmap();

                painter.drawPixmap( (mapPixmap.width()-adressTypePixmap.width()),0,adressTypePixmap ); 

                painter.fillRect(QRect(0,0,mapWidth,MAPSTROKE),brush);

                painter.fillRect(QRect(0,mapHeight-MAPSTROKE,mapWidth,(mapHeight-MAPSTROKE)),brush);

                painter.fillRect(QRect(0,0,MAPSTROKE,mapPixmap.height()),brush);

                painter.fillRect(QRect((mapWidth-MAPSTROKE),0,mapWidth,mapHeight),brush);

                painter.end();

                QIcon landscape( mapPixmap );

                HbIcon landscapeIcon(landscape);

                returnValue = landscapeIcon;

            }

            break;

        }

        default:

            break;

        }

    return returnValue;

}

// ----------------------------------------------------------------------------

// HgWidgetDataModel::setImageDataType()

// ----------------------------------------------------------------------------

void HgWidgetDataModel::setImageDataType(TImageType type)

{

    mImageType = type;

}