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

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * 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

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#ifndef INCLUDED_SW_INC_FMTCNCT_HXX

#define INCLUDED_SW_INC_FMTCNCT_HXX

#include "hintids.hxx"

#include <svl/poolitem.hxx>

#include "format.hxx"

#include "calbck.hxx"

#include "frmfmt.hxx"

/// Connection (text flow) between two FlyFrames.

class SW_DLLPUBLIC SwFormatChain final : public SfxPoolItem

{

    SwClient m_aPrev, ///< Previous SwFlyFrameFormat (if existent).

             m_aNext; ///< Next SwFlyFrameFormat (if existent).

public:

    DECLARE_ITEM_TYPE_FUNCTION(SwFormatChain)

    SwFormatChain() : SfxPoolItem( RES_CHAIN ) {}

    SwFormatChain( const SwFormatChain &rCpy );

    inline SwFormatChain &operator=( const SwFormatChain& );

    /// "Pure virtual methods" of SfxPoolItem.

    virtual bool            operator==( const SfxPoolItem& ) const override;

    virtual SwFormatChain*  Clone( SfxItemPool* pPool = nullptr ) const override;

    virtual bool GetPresentation( SfxItemPresentation ePres,

                                  MapUnit eCoreMetric,

                                  MapUnit ePresMetric,

                                  OUString &rText,

                                  const IntlWrapper& rIntl ) const override;

    virtual bool QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberId = 0 ) const override;

    SwFlyFrameFormat* GetPrev() const { return const_cast<SwFlyFrameFormat*>(static_cast<const SwFlyFrameFormat*>(m_aPrev.GetRegisteredIn())); }

    SwFlyFrameFormat* GetNext() const { return const_cast<SwFlyFrameFormat*>(static_cast<const SwFlyFrameFormat*>(m_aNext.GetRegisteredIn())); }

    void SetPrev( SwFlyFrameFormat *pFormat );

    void SetNext( SwFlyFrameFormat *pFormat );

};

SwFormatChain &SwFormatChain::operator=( const SwFormatChain &rCpy )

{

    SetPrev( rCpy.GetPrev() );

    SetNext( rCpy.GetNext() );

    return *this;

}

inline const SwFormatChain &SwAttrSet::GetChain(bool bInP) const

    { return Get( RES_CHAIN,bInP); }

inline const SwFormatChain &SwFormat::GetChain(bool bInP) const

    { return m_aSet.GetChain(bInP); }

#endif

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