#include <hgmediawall.h>

#include "mpcollectiondatamodel.h"

#include "mpcollectiontbonelistdatamodel.h"

    \li ECollectionContextAlbumsTBone

      mInfoBar(0),

      mTBone(0),

      mTBoneListModel(0),

      mCurrentAlbumIndex(0)

    mCollectionContext = ECollectionContextAlbums;

	delete mInfoBar;

    delete mTBone;

    delete mTBoneListModel;

    TX_EXIT

}

/*!

 Sets the data model for the container.

 */

void MpCollectionContainerAlbums::setDataModel( MpCollectionDataModel *dataModel )

{

    TX_ENTRY

    MpCollectionContainer::setDataModel(dataModel);

    if ( mCollectionContext == ECollectionContextAlbums ) {

        if ( mList ) {

            mList->setModel(dataModel);

            if ( mCollectionData->count() ) {

                mList->scrollTo( dataModel->index(mCurrentAlbumIndex, 0) );

            }

        }

    }

    else if ( mCollectionContext == ECollectionContextAlbumsTBone ) {

        if ( mTBone ) {

            mTBone->setModel(dataModel);

            mTBone->scrollTo( dataModel->index(mCurrentAlbumIndex, 0) );

            if ( mTBoneListModel == 0 ) {

                mTBoneListModel = new MpCollectionTBoneListDataModel(mCollectionData);

                connect( mTBoneListModel, SIGNAL(albumDataChanged()), this, SLOT(albumDataChanged()) );

            }

            mList->setModel(mTBoneListModel);

            if ( !mCollectionData->setCurrentAlbum(mCurrentAlbumIndex) ) {

                emit findAlbumSongs(mCurrentAlbumIndex);

            }

        }

    }

*/

    if ( mCollectionContext == ECollectionContextAlbums ) {

        mCurrentAlbumIndex = index.row();

        TX_ENTRY_ARGS("mCurrentAlbumIndex=" << mCurrentAlbumIndex);

        MpCollectionListContainer::itemActivated(index);

    }

    else if ( mCollectionContext == ECollectionContextAlbumsTBone ) {

        int row = index.row();

        TX_ENTRY_ARGS("index=" << row);

        if ( mViewMode == MpCommon::FetchView ) {

            MpCollectionListContainer::itemActivated(index);

        }

        else {

            emit playAlbumSongs(mCurrentAlbumIndex, row);

        }

    }

    TX_EXIT

}

/*!

 Slot to be called when scrolling ends in media wall and an album is centered.

 */

void MpCollectionContainerAlbums::albumCentered()

{

    TX_ENTRY

    QModelIndex index = mTBone->currentIndex();

    if ( mCurrentAlbumIndex != index.row() ) {

        // Prevent reloading if user just moves the center album a little

        // and the same album re-centers.

        mCurrentAlbumIndex = index.row();

        TX_LOG_ARGS("mCurrentAlbumIndex=" << mCurrentAlbumIndex);

        if ( !mCollectionData->setCurrentAlbum(mCurrentAlbumIndex) ) {

            emit findAlbumSongs(mCurrentAlbumIndex);

        }

    TX_EXIT

}

/*!

 Slot to be called data model has new data.

 Two cases:

     1) User deleted an album.

	 2) User deleted last song in an album.

 */

void MpCollectionContainerAlbums::dataReloaded()

{

    TX_ENTRY

    if ( mCollectionContext == ECollectionContextAlbumsTBone ) {

        if ( mCurrentAlbumIndex > 0 ) {

            --mCurrentAlbumIndex;

        }

        mTBone->scrollTo( mDataModel->index(mCurrentAlbumIndex, 0) );

        if ( !mCollectionData->setCurrentAlbum(mCurrentAlbumIndex) ) {

            emit findAlbumSongs(mCurrentAlbumIndex);

        }

    else {

        MpCollectionListContainer::dataReloaded();

    }

    TX_EXIT

}

/*!

 Slot to be called data model has new data.

 User has deleted one of the songs from TBone list.

 */

void MpCollectionContainerAlbums::albumDataChanged()

{

    TX_ENTRY

    emit findAlbumSongs(mCurrentAlbumIndex);

            if ( mTBone ) {

                delete mTBone;

                mTBone = 0;

        }

        else if ( mCollectionContext == ECollectionContextAlbumsTBone ) {

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

                if ( !ok ) {

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

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

                }

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

                mInfoBar = qobject_cast<HbGroupBox*>(widget);

                mInfoBar->setHeading( hbTrId("txt_mus_subtitle_select_a_song") );

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

                if ( !ok ) {

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

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

                }

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

            mTBone = qobject_cast<HgMediawall*>(widget);

            HbIcon defaultIcon( "qtg_large_music_album" );

            defaultIcon.setSize(mTBone->itemSize());

            mTBone->setDefaultImage( defaultIcon.pixmap().toImage() );

            mTBone->setTitleFontSpec( HbFontSpec(HbFontSpec::Primary) );

            mTBone->setDescriptionFontSpec( HbFontSpec(HbFontSpec::Secondary) );

            mTBone->setScrollBarPolicy( HgWidget::ScrollBarAlwaysOff );

            mTBone->enableReflections(true);

            connect( mTBone, SIGNAL(scrollingEnded()), this, SLOT(albumCentered()) );

        // Must delete widgets when last song is deleted and view is reloaded.

        if ( mTBone ) {

            delete mTBone;

            mTBone = 0;

        }