File indexing completed on 2024-05-19 04:49:51

 /****************************************************************************************
  * Copyright (c) 2009 Téo Mrnjavac <teo@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/>.                           *
  ****************************************************************************************/
 
 #ifndef AMAROK_PLAYLISTSORTSCHEME_H
 #define AMAROK_PLAYLISTSORTSCHEME_H
 
 #include "playlist/PlaylistDefines.h"
 
 #include <QSortFilterProxyModel>
 #include <QStack>
 
 namespace Playlist
 {
 
 /**
  * A sorting level for multilevel playlist sorting. Instances of this class are aggregated
  * by Playlist::SortScheme to describe a way to sort the playlist.
  * @author Téo Mrnjavac <teo@kde.org>
  */
 class SortLevel
 {
     public:
         explicit SortLevel( Column sortCategory = PlaceHolder, Qt::SortOrder sortOrder = Qt::AscendingOrder );
         Column category() const;
         Qt::SortOrder order() const;
         void setCategory( Column sortCategory );
         void setOrder( Qt::SortOrder sortOrder );
         bool isComparable() const;
         bool isString() const;
         bool isFloat() const;
         QString prettyName() const;
     private:
         Column m_category;     //Column from PlaylistDefines.h
         Qt::SortOrder m_order;
 };
 
 /**
  * A sorting scheme for multilevel playlist sorting. This class wraps around a QStack to
  * define a way to sort the playlist and is used by Playlist::SortProxy.
  * @author Téo Mrnjavac <teo@kde.org>
  * @author Konrad Zemek <konrad.zemek@gmail.com>
  */
 class SortScheme : private QStack<SortLevel>
 {
     public:
         const SortLevel &level( int i ) const;
         void addLevel( const SortLevel &level );
 
         /** Deletes all the levels up to level # length */
         void trimToLevel( int lastLevel );
         int length() const;
 
         typedef QStack<SortLevel>::const_iterator const_iterator;
 
         const_iterator begin() const;
         const_iterator end() const;
 };
 
 }   //namespace Playlist
 
 #endif  //AMAROK_PLAYLISTSORTSCHEME_H