resourcemodel.h

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/*
   This file is part of the Nepomuk KDE project.
   Copyright (C) 2007-2010 Sebastian Trueg <trueg@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) version 3, or any
   later version accepted by the membership of KDE e.V. (or its
   successor approved by the membership of KDE e.V.), which shall
   act as a proxy defined in Section 6 of version 3 of the license.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _NEPOMUK_RESOUCE_MODEL_H_
#define _NEPOMUK_RESOUCE_MODEL_H_

#include <QtCore/QAbstractItemModel>

#include "nepomukutils_export.h"

namespace Nepomuk {

    class Resource;

    namespace Utils {
        class NEPOMUKUTILS_EXPORT ResourceModel : public QAbstractItemModel
        {
            Q_OBJECT

        public:
            ResourceModel( QObject* parent = 0 );

            virtual ~ResourceModel();

            enum ResourceModelColumns {
                ResourceColumn = 0,

                ResourceTypeColumn = 1,

                ResourceModelColumnCount = 2
            };

            enum ResourceRoles {
                ResourceRole = 7766897,

                ResourceTypeRole = 687585,

                ResourceCreationDateRole = 7766898
            };

            virtual Resource resourceForIndex( const QModelIndex& index ) const = 0;

            virtual QModelIndex indexForResource( const Resource& res ) const = 0;

            virtual QModelIndex parent( const QModelIndex& child ) const;

            virtual int columnCount( const QModelIndex& parent ) const;

            virtual QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const;

            virtual QVariant headerData( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;

            virtual Qt::ItemFlags flags( const QModelIndex& index ) const;

            virtual QMimeData* mimeData( const QModelIndexList& indexes ) const;

            virtual QStringList mimeTypes() const;

            virtual bool setData( const QModelIndex& index, const QVariant& value, int role );

        private:
            class Private;
            Private* const d;
        };
    }
}

#endif