/*

* 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: Music Player collection container definition - Artists.

*

*/

#include <QtCore>

#include <hbdocumentloader.h>

#include <hblistview.h>

#include <hbgroupbox.h>

#include <hbindexfeedback.h>

#include "mpcollectioncontainerartists.h"

#include "mpmpxcollectiondata.h"

#include "mptrace.h"

/*!

    \class MpCollectionContainerArtists

    \brief Music Player collection container definition - Artists.

    'Artists' collection container implements the interface specified

    by MpCollectionContainer. It provides a layout and widgets for the

    'Artists' view.

    This container handles the following contexts:

    \li ECollectionContextArtists

    \li ECollectionContextArtistAlbums

    \li ECollectionContextArtistSongs

    \sa MpCollectionContainer

*/

/*!

 Constructs the collection container.

 */

MpCollectionContainerArtists::MpCollectionContainerArtists( HbDocumentLoader *loader, QGraphicsItem *parent )

    : MpCollectionListContainer(loader, parent),

      mInfoBar(0)

{

    TX_LOG

}

/*!

 Destructs the collection container.

 */

MpCollectionContainerArtists::~MpCollectionContainerArtists()

{

    TX_ENTRY

    delete mInfoBar;

    delete mList;

    TX_EXIT

}

/*!

 Slot to be called when an item is selected by the user.

 */

void MpCollectionContainerArtists::itemActivated( const QModelIndex &index )

{

    int row = index.row();

    TX_ENTRY_ARGS("index=" << row);

    if ( mCollectionContext == ECollectionContextArtists ) {

        mArtist = mCollectionData->itemData(row, MpMpxCollectionData::Title);

        if ( mArtist.isEmpty() ) {

        mArtist = hbTrId("txt_mus_subtitle_unknown");

        }

    }

    else if ( mCollectionContext == ECollectionContextArtistAlbums ) {

        mAlbum = mCollectionData->itemData(row, MpMpxCollectionData::Title);

        if ( mAlbum.isEmpty() ) {

            mAlbum = hbTrId("txt_mus_dblist_val_unknown3");

        }

    }

    MpCollectionListContainer::itemActivated(index);

    TX_EXIT

}

/*!

 Sets up the container by organizing widgets according to its layout.

 \reimp

 */

void MpCollectionContainerArtists::setupContainer()

{

    TX_ENTRY_ARGS("mCollectionContext=" << mCollectionContext);

    if ( mCollectionData->count() ) {

        bool ok = false;

        QGraphicsWidget *widget;

        if ( mCollectionContext == ECollectionContextArtists ) {

            mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "artists", &ok);

            if ( !ok ) {

                TX_LOG_ARGS("Error: invalid xml file.");

                Q_ASSERT_X(ok, "MpCollectionContainerArtists::setupContainer", "invalid xml file");

            }

            if ( !mList ) {

                widget = mDocumentLoader->findWidget(QString("artistsList"));

                mList = qobject_cast<HbListView*>(widget);

                mIndexFeedback->setItemView(mList);

                initializeList();

            }

            if ( mInfoBar ) {

                delete mInfoBar;

                mInfoBar = 0;

            }

        }

        else if ( mCollectionContext == ECollectionContextArtistAlbums ) {

            mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "artistSongs", &ok);

            if ( !ok ) {

                TX_LOG_ARGS("Error: invalid xml file.");

                Q_ASSERT_X(ok, "MpCollectionContainerArtists::setupContainer", "invalid xml file");

            }

            widget = mDocumentLoader->findWidget(QString("artistSongsDetail"));

            mInfoBar = qobject_cast<HbGroupBox*>(widget);

            QString details;

            if ( mViewMode == MpCommon::FetchView ) { 

                details = "Select a song";

            }

            else {

                details = mArtist;

            }

            mInfoBar->setHeading(details);

        }

        else if ( mCollectionContext == ECollectionContextAlbumSongs ) {

            mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "artistSongs", &ok);

            if ( !ok ) {

                TX_LOG_ARGS("Error: invalid xml file.");

                Q_ASSERT_X(ok, "MpCollectionContainerArtists::setupContainer", "invalid xml file");

            }

            widget = mDocumentLoader->findWidget(QString("artistSongsDetail"));

            mInfoBar = qobject_cast<HbGroupBox*>(widget);

            QString details;

            if ( mViewMode == MpCommon::FetchView ) {

                details = "Select a song";

                }

            else {

                details = mArtist;

                details.append(" - ");

                details.append(mAlbum);

            }

            mInfoBar->setHeading(details);

        }

        else if ( mCollectionContext == ECollectionContextArtistSongs ) {

            mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "artistSongs", &ok);

            if ( !ok ) {

                TX_LOG_ARGS("Error: invalid xml file.");

                Q_ASSERT_X(ok, "MpCollectionContainerArtists::setupContainer", "invalid xml file");

            }

            widget = mDocumentLoader->findWidget(QString("artistSongsDetail"));

            mInfoBar = qobject_cast<HbGroupBox*>(widget);

            QString details;

            if ( mViewMode == MpCommon::FetchView ) {

                details = "Select a song";

                }

            else if ( mArtist.isEmpty() ) {

                details = hbTrId("txt_mus_subtitle_unknown_all");

            }

            else{

                details = hbTrId( "txt_mus_subtitle_1_all" ).arg(mArtist);

            }

            mInfoBar->setHeading(details);

        }

    } 

    else {

        if ( mInfoBar ) {

            // When last song in an album is deleted and album list is reloaded

            delete mInfoBar;

            mInfoBar = 0;

        }

        // Call empty list from base class

        setupEmptyListContainer();

    }

    TX_EXIT

}