/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

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#ifndef INCLUDED_SVX_SVDITER_HXX

#define INCLUDED_SVX_SVDITER_HXX

#include <vector>

#include <svx/svxdllapi.h>

class SdrObjList;

class SdrObject;

class SdrPage;

class SdrMarkList;

// SdrObjListIter methods:

// SdrIterMode::Flat              : Flat over the list

// SdrIterMode::DeepWithGroups    : With recursive descent parser, Next() also returns group objects

// SdrIterMode::DeepNoGroups      : With recursive descent parser, Next() returns no group objects

enum class SdrIterMode { Flat, DeepWithGroups, DeepNoGroups };

class SVXCORE_DLLPUBLIC SdrObjListIter

{

    std::vector< const SdrObject* > maObjList;

    size_t                          mnIndex;

    bool                            mbReverse;

    bool                            mbUseZOrder;

    SAL_DLLPRIVATE void ImpProcessObjectList(const SdrObjList& rSdrObjList, SdrIterMode eMode);

    SAL_DLLPRIVATE void ImpProcessMarkList(const SdrMarkList& rMarkList, SdrIterMode eMode);

    SAL_DLLPRIVATE void ImpProcessObj(const SdrObject& rSdrObject, SdrIterMode eMode);

public:

    explicit SdrObjListIter(const SdrObjList* pObjList, SdrIterMode eMode = SdrIterMode::DeepNoGroups, bool bReverse = false);

    explicit SdrObjListIter(const SdrObjList* pObjList, bool bUseZOrder, SdrIterMode eMode = SdrIterMode::DeepNoGroups, bool bReverse = false);

    /* SJ: the following function can now be used with every

       SdrObject and is no longer limited to group objects */

    explicit SdrObjListIter(const SdrObject& rSdrObject, SdrIterMode eMode = SdrIterMode::DeepNoGroups, bool bReverse = false);

    explicit SdrObjListIter(const SdrPage* pSdrPage, SdrIterMode eMode = SdrIterMode::DeepNoGroups, bool bReverse = false);

    /** Iterates over a list of marked objects received from the SdrMarkView. TTTT used in sc */

    explicit SdrObjListIter(const SdrMarkList& rMarkList, SdrIterMode eMode = SdrIterMode::DeepNoGroups);

    void Reset() { mnIndex = (mbReverse ? maObjList.size() : 0L); }

    bool IsMore() const { return (mbReverse ? mnIndex != 0 : ( mnIndex < maObjList.size())); }

    SdrObject* Next()

    {

        const size_t idx(mbReverse ? --mnIndex : mnIndex++);

        return (idx < maObjList.size()) ? const_cast< SdrObject* >(maObjList[idx]) : nullptr;

    }

    size_t Count() const { return maObjList.size(); }

};

#endif // INCLUDED_SVX_SVDITER_HXX

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