Ejemplo n.º 1
0
Meta::TrackList
APG::ConstraintSolver::sample( Meta::TrackList domain, const int sampleSize ) const
{
    std::random_shuffle( domain.begin(), domain.end() );
    return domain.mid( 0, sampleSize );
}
Ejemplo n.º 2
0
void Albums::dataUpdated( const QString &name, const Plasma::DataEngine::Data &data )
{
    if( name != QLatin1String("albums") )
        return;

    Meta::AlbumList albums = data[ "albums" ].value<Meta::AlbumList>();
    Meta::TrackPtr track = data[ "currentTrack" ].value<Meta::TrackPtr>();
    QString headerText = data[ "headerText" ].toString();
    setHeaderText( headerText.isEmpty() ? i18n("Albums") : headerText );

    //Don't keep showing the albums for the artist of the last track that had album in the collection
    if( (m_currentTrack == track) && (m_albums == albums) )
        return;

    if( albums.isEmpty() )
    {
        debug() << "received albums is empty";
        setCollapseOn();
        m_albums.clear();
        m_albumsView->clear();
        return;
    }

    setCollapseOff();

    m_albums = albums;
    m_currentTrack = track;
    m_albumsView->clear();
    m_albumsView->setMode( track ? AlbumsProxyModel::SortByYear : AlbumsProxyModel::SortByCreateDate );
    QStandardItem *currentItem( 0 );

    foreach( Meta::AlbumPtr albumPtr, albums )
    {
        // do not show all tracks without an album from the collection, this takes ages
        // TODO: show all tracks from this artist that are not part of an album
        if( albumPtr->name().isEmpty() )
            continue;

        Meta::TrackList tracks = albumPtr->tracks();
        if( tracks.isEmpty() )
            continue;

        AlbumItem *albumItem = new AlbumItem();
        albumItem->setIconSize( 50 );
        albumItem->setAlbum( albumPtr );
        albumItem->setShowArtist( !m_currentTrack );

        int numberOfDiscs = 0;
        int childRow = 0;

        qStableSort( tracks.begin(), tracks.end(), Meta::Track::lessThan );

        QMultiHash< int, TrackItem* > trackItems; // hash of tracks items for each disc
        foreach( Meta::TrackPtr trackPtr, tracks )
        {
            if( numberOfDiscs < trackPtr->discNumber() )
                numberOfDiscs = trackPtr->discNumber();

            TrackItem *trackItem = new TrackItem();
            trackItem->setTrack( trackPtr );

            // bold the current track to make it more visible
            if( m_currentTrack && *m_currentTrack == *trackPtr )
            {
                currentItem = trackItem;
                trackItem->bold();
            }

            // If compilation and same artist, then highlight, but only if there's a current track
            if( m_currentTrack
                && m_currentTrack->artist() && trackPtr->artist()
                && (*m_currentTrack->artist() == *trackPtr->artist())
                && albumPtr->isCompilation() )
            {
                trackItem->italicise();
            }
            trackItems.insert( trackPtr->discNumber(), trackItem );
        }

        for( int i = 0; i <= numberOfDiscs; ++i )
        {
            QList<TrackItem*> items = trackItems.values( i );
            if( !items.isEmpty() )
            {
                const TrackItem *item = items.first();
                QStandardItem *discItem( 0 );
                if( numberOfDiscs > 1 )
                {
                    discItem = new QStandardItem( i18n("Disc %1", item->track()->discNumber()) );
                    albumItem->setChild( childRow++, discItem );
                    int discChildRow = 0;
                    foreach( TrackItem *trackItem, items )
                        discItem->setChild( discChildRow++, trackItem );
                }
                else
                {
                    foreach( TrackItem *trackItem, items )
                        albumItem->setChild( childRow++, trackItem );
                }
            }
        }
        m_albumsView->appendAlbum( albumItem );
    }

    m_albumsView->sort();
    if( currentItem )
    {
        m_albumsView->setRecursiveExpanded( currentItem, true );
        m_albumsView->scrollTo( currentItem );
    }

    updateConstraints();
}