bool
SingleCollectionTreeItemModel::canFetchMore( const QModelIndex &parent ) const
{
if ( !parent.isValid() )
return m_rootItem->requiresUpdate();
CollectionTreeItem *item = static_cast<CollectionTreeItem*>( parent.internalPointer() );
return item->level() < m_levelType.count() && item->requiresUpdate();
}
QMimeData *
ScriptableServiceCollectionTreeModel::mimeData( const QList<CollectionTreeItem *> &items ) const
{
// this is basically a copy of superclass method with a couple of changes:
// 1. we don't reuse tracks already in the model
// 2. we tell the querymaker to masquerade special tracks
using namespace Collections;
Meta::TrackList tracks;
QList<QueryMaker *> queries;
foreach( CollectionTreeItem *item, items )
{
if( item->isTrackItem() )
{
using namespace Meta;
const ScriptableServiceTrack *serviceTrack =
dynamic_cast<const ScriptableServiceTrack *>( item->data().data() );
if( !serviceTrack )
{
error() << "failed to convert generic track" << item->data() << "to ScriptableServiceTrack";
continue;
}
tracks << serviceTrack->playableTrack();
continue;
}
ScriptableServiceQueryMaker *qm = qobject_cast<ScriptableServiceQueryMaker *>( item->queryMaker() );
if( !qm )
{
error() << "failed to convert generic QueryMaker to ScriptableService one";
continue;
}
qm->setConvertToMultiTracks( true );
for( CollectionTreeItem *tmp = item; tmp; tmp = tmp->parent() )
tmp->addMatch( qm, levelCategory( tmp->level() - 1 ) );
Collections::addTextualFilter( qm, m_currentFilter );
queries.append( qm );
}
if( queries.isEmpty() && tracks.isEmpty() )
return 0;
AmarokMimeData *mimeData = new AmarokMimeData();
mimeData->setTracks( tracks );
mimeData->setQueryMakers( queries );
mimeData->startQueries();
return mimeData;
}
