File indexing completed on 2024-05-05 04:47:30

 /****************************************************************************************
  * Copyright (c) 2007 Alexandre Pereira de Oliveira <aleprj@gmail.com>                  *
  * Copyright (c) 2007 Maximilian Kossick <maximilian.kossick@googlemail.com>            *
  * Copyright (c) 2007 Nikolaj Hald Nielsen <nhn@kde.org>                                *
  *                                                                                      *
  * This program is free software; you can redistribute it and/or modify it under        *
  * the terms of the GNU General Public License as published by the Free Software        *
  * Foundation; either version 2 of the License, or (at your option) any later           *
  * version.                                                                             *
  *                                                                                      *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
  *                                                                                      *
  * You should have received a copy of the GNU General Public License along with         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #define DEBUG_PREFIX "SingleCollectionTreeItemModel"
 
 #include "SingleCollectionTreeItemModel.h"
 
 #include "amarokconfig.h"
 #include "browsers/CollectionTreeItem.h"
 #include "core/collections/Collection.h"
 #include "core/meta/Meta.h"
 #include "core/support/Amarok.h"
 #include "core/support/Debug.h"
 
 #include <KLocalizedString>
 
 SingleCollectionTreeItemModel::SingleCollectionTreeItemModel( Collections::Collection *collection,
                                                               const QList<CategoryId::CatMenuId> &levelType )
     : m_collection( collection )
 {
     m_rootItem = new CollectionTreeItem( m_collection, nullptr, this );
     connect( collection, &Collections::Collection::updated, this, &SingleCollectionTreeItemModel::slotFilterWithoutAutoExpand ) ;
     m_collections.insert( m_collection->collectionId(), CollectionRoot( m_collection, m_rootItem ) );
     //we only have one collection that, by its very nature, is always expanded
     m_expandedCollections.insert( m_collection );
 
     setLevels( levelType );
 }
 
 QVariant
 SingleCollectionTreeItemModel::data(const QModelIndex &index, int role) const
 {
     if( !index.isValid() )
         return QVariant();
 
     CollectionTreeItem *item = static_cast<CollectionTreeItem*>( index.internalPointer() );
     return dataForItem( item, role );
 }
 
 Qt::ItemFlags
 SingleCollectionTreeItemModel::flags(const QModelIndex &index) const
 {
     Qt::ItemFlags f = CollectionTreeItemModelBase::flags( index );
     return ( f &= ~Qt::ItemIsEditable );
 }
 
 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();
 }
 
 void
 SingleCollectionTreeItemModel::fetchMore( const QModelIndex &parent )
 {
     CollectionTreeItem *item;
     if ( parent.isValid() )
         item = static_cast<CollectionTreeItem*>( parent.internalPointer() );
     else
         item = m_rootItem;
 
     ensureChildrenLoaded( item );
 }
 
 void
 SingleCollectionTreeItemModel::filterChildren()
 {
     markSubTreeAsDirty( m_rootItem );
     ensureChildrenLoaded( m_rootItem );
 }