/*

* 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 <QStandardItemModel>

#include <QGraphicsLinearLayout>

#include <HbGridView>

#include <HbAction>

#include <HbInstance>

#include "hsimagegridwidget.h"

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

namespace

{

    const int FILENAMEROLE = Qt::UserRole + 1;

}

/*!

    \class HsImageGridWidget

    \ingroup group_hsutils

    \brief Widget which shows images in a grid. 

 */

/*!

    Constructor.

    \a imageFiles List of absolut paths to image files.

    \a parent Parent item.

*/

HsImageGridWidget::HsImageGridWidget(const QStringList &imageFiles,

                                     QGraphicsItem *parent)

    : HbView(parent),

      mGridModel(new QStandardItemModel(this))

{

    mGridView = new HbGridView();

    mGridView->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAutoHide);

    mGridView->setSelectionMode(HbAbstractItemView::NoSelection);

    mGridView->setModel(mGridModel);

    connect(mGridView,

            SIGNAL(activated(QModelIndex)),

            SLOT(gridItemActivated(QModelIndex)));

    QGraphicsLinearLayout *layout = new QGraphicsLinearLayout;

    layout->addItem(mGridView);

    setLayout(layout);

    setContent(imageFiles);

}

/*!

    Destructor

*/

HsImageGridWidget::~HsImageGridWidget()

{

}

/*!

    Sets content image files to widget.

    \a images List of absolut paths to image files.

*/

void HsImageGridWidget::setContent(const QStringList &images)

{

    mGridModel->clear();

    QSize targetSize(150, 150);

    QList<QStandardItem *> items;

    QStandardItem *standardItem = 0;

    for (int i = 0; i < images.count(); ++i) {

        QPixmap original(images[i]);

        QIcon scaledIcon(original.scaled(targetSize, Qt::KeepAspectRatio));

        standardItem = new QStandardItem();

        standardItem->setData(HbIcon(scaledIcon), Qt::DecorationRole);

        standardItem->setData(images[i], FILENAMEROLE);

        items << standardItem;

    }

    mGridModel->appendColumn(items);

}

/*!

    \fn void HsImageGridWidget::imageSelected(const QString& aSelectedImage)

    Emitted when image is selected from a grid

    \a aImageFiles List of absolut paths to image files.

*/

/*!

    Finds item from model and emits imageSelected

    \a index is the index of selected image

*/

void HsImageGridWidget::gridItemActivated(const QModelIndex &index)

{

    QVariant data = mGridModel->data(index, FILENAMEROLE);

    emit imageSelected( data.toString() );

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT