itemhistorygraphdata.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2010-10-23
 * Description : Graph data class for item history
 *
 * Copyright (C) 2010-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * 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, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_ITEM_HISTORY_GRAPH_DATA_H
#define DIGIKAM_ITEM_HISTORY_GRAPH_DATA_H
 
// Qt includes
 
#include <QSharedData>
 
// Local includes
 
#include "filteraction.h"
#include "historyimageid.h"
#include "itemhistorygraph_boost.h"
 
namespace Digikam
{
 
class ItemInfo;
 
class DIGIKAM_DATABASE_EXPORT HistoryVertexProperties
{
public:
 
    ItemInfo firstItemInfo()                    const;
 
    bool markedAs(HistoryImageId::Type)         const;
    bool alwaysMarkedAs(HistoryImageId::Type)   const;
 
    bool operator==(const QString& uuid)        const;
    bool operator==(const ItemInfo& info)       const;
    bool operator==(qlonglong id)               const;
    bool operator==(const HistoryImageId& info) const;
 
    HistoryVertexProperties& operator+=(const QString& uuid);
    HistoryVertexProperties& operator+=(const ItemInfo& info);
    HistoryVertexProperties& operator+=(const HistoryImageId& info);
 
public:
 
    QString               uuid;
    QList<HistoryImageId> referredImages;
    QList<ItemInfo>       infos;
};
 
QDebug operator<<(QDebug dbg, const HistoryVertexProperties& props);
QDebug operator<<(QDebug dbg, const HistoryImageId& id);
 
// ------------------------------------------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT HistoryEdgeProperties
{
public:
 
    QList<FilterAction> actions;
 
    HistoryEdgeProperties& operator+=(const FilterAction& action);
};
 
typedef Graph<HistoryVertexProperties, HistoryEdgeProperties> HistoryGraph;
 
// ------------------------------------------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT ItemHistoryGraphData : public HistoryGraph,       // clazy:exclude=copyable-polymorphic
                                                     public QSharedData
{
public:
 
    ItemHistoryGraphData()
        : HistoryGraph(ChildToParent)
    {
    }
 
    explicit ItemHistoryGraphData(const HistoryGraph& g)
        : HistoryGraph(g)
    {
    }
 
    ItemHistoryGraphData& operator=(const HistoryGraph& g)
    {
        HistoryGraph::operator=(g);
 
        return *this;
    }
 
    Vertex addVertex(const HistoryImageId& id);
    Vertex addVertex(const QList<HistoryImageId>& imageIds);
    Vertex addVertex(qlonglong id);
    Vertex addVertexScanned(qlonglong id);
    Vertex addVertex(const ItemInfo& info);
 
    void addHistory(const DImageHistory& givenHistory, qlonglong extraCurrent = 0);
 
    int removeNextUnresolvedVertex(int begin);
 
    inline QList<ItemInfo> toInfoList(const QList<Vertex>& vertices) const
    {
        QList<ItemInfo> infos;
 
        foreach (const HistoryGraph::Vertex& v, vertices)
        {
            infos << properties(v).infos;
        }
 
        return infos;
    }
 
    QHash<Vertex, HistoryImageId::Types> categorize() const;
 
protected:
 
    void applyProperties(Vertex& v, const QList<ItemInfo>& infos, const QList<HistoryImageId>& ids);
};
 
} // namespace Digikam
 
#endif // DIGIKAM_ITEM_HISTORY_GRAPH_DATA_H