torrentfilemodel.h

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/***************************************************************************
 *   Copyright (C) 2007 by Joris Guisson and Ivan Vasic                    *
 *   joris.guisson@gmail.com                                               *
 *   ivasic@gmail.com                                                      *
 *                                                                         *
 *   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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/
#ifndef KTTORRENTFILEMODEL_HH
#define KTTORRENTFILEMODEL_HH

#include <QByteArray>
#include <QAbstractItemModel>
#include <util/constants.h>

class QTreeView;
class QSortFilterProxyModel;

namespace bt
{
    class TorrentInterface;
    class TorrentFileInterface;
}

namespace kt
{
    class TorrentFileModel : public QAbstractItemModel
    {
        Q_OBJECT
    public:
        enum DeselectMode
        {
            KEEP_FILES,DELETE_FILES
        };
        TorrentFileModel(bt::TorrentInterface* tc,DeselectMode mode,QObject* parent);
        virtual ~TorrentFileModel();

        
        virtual void checkAll() = 0;
        
        virtual void uncheckAll() = 0;
        
        virtual void invertCheck() = 0;
        
        virtual bt::Uint64 bytesToDownload() = 0;
        
        virtual QByteArray saveExpandedState(QSortFilterProxyModel* pm,QTreeView* tv);
        
        virtual void loadExpandedState(QSortFilterProxyModel* pm,QTreeView* tv,const QByteArray & state);

        virtual bt::TorrentFileInterface* indexToFile(const QModelIndex & idx) = 0;

        virtual QString dirPath(const QModelIndex & idx) = 0;

        virtual void changePriority(const QModelIndexList & indexes,bt::Priority newpriority) = 0;

        virtual void missingFilesMarkedDND();

        virtual void update();
        
        virtual void onCodecChange();
        
        void setFileNamesEditable(bool on) {file_names_editable = on;}
        
        bool fileNamesEditable() const {return file_names_editable;}
        
        virtual Qt::ItemFlags flags(const QModelIndex & index) const;
        
        virtual void filePercentageChanged(bt::TorrentFileInterface* file,float percentage);
        virtual void filePreviewChanged(bt::TorrentFileInterface* file,bool preview);
signals:
        void checkStateChanged();

    protected:
        bt::TorrentInterface* tc;
        DeselectMode mode;
        bool file_names_editable;
    };
}

#endif