/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef _REDLINE_HXX
#define _REDLINE_HXX

#include <tools/datetime.hxx>
#include <tools/string.hxx>

#define _SVSTDARR_USHORTS
#include <svl/svstdarr.hxx>
#include <pam.hxx>

#include <IDocumentRedlineAccess.hxx> 

#include <svl/smplhint.hxx>

class SfxItemSet;
class SwView;

class SwRedlineExtraData
{
	SwRedlineExtraData( const SwRedlineExtraData& );
	SwRedlineExtraData& operator=( const SwRedlineExtraData& );

protected:
	SwRedlineExtraData() {}

public:
	virtual ~SwRedlineExtraData();
	virtual SwRedlineExtraData* CreateNew() const = 0;

	virtual void Accept( SwPaM& rPam ) const;
	virtual void Reject( SwPaM& rPam ) const;
	virtual int operator == ( const SwRedlineExtraData& ) const;
};

class SwRedlineExtraData_FmtColl : public SwRedlineExtraData
{
	String sFmtNm;
	SfxItemSet* pSet;
	sal_uInt16 nPoolId;
public:
	SwRedlineExtraData_FmtColl( const String& rColl, sal_uInt16 nPoolFmtId,
								const SfxItemSet* pSet = 0 );
	virtual ~SwRedlineExtraData_FmtColl();
	virtual SwRedlineExtraData* CreateNew() const;
	virtual void Reject( SwPaM& rPam ) const;
	virtual int operator == ( const SwRedlineExtraData& ) const;

	void SetItemSet( const SfxItemSet& rSet );
};

class SwRedlineExtraData_Format : public SwRedlineExtraData
{
	SvUShorts aWhichIds;

	SwRedlineExtraData_Format( const SwRedlineExtraData_Format& rCpy );

public:
	SwRedlineExtraData_Format( const SfxItemSet& rSet );
	virtual ~SwRedlineExtraData_Format();
	virtual SwRedlineExtraData* CreateNew() const;
	virtual void Reject( SwPaM& rPam ) const;
	virtual int operator == ( const SwRedlineExtraData& ) const;
};


class SW_DLLPUBLIC SwRedlineData
{
	friend class SwRedline;
	SwRedlineData* pNext;		// Verweis auf weitere Daten
	SwRedlineExtraData* pExtraData;

	String sComment;
	DateTime aStamp;
	RedlineType_t eType;
	sal_uInt16 nAuthor, nSeqNo;

public:
	SwRedlineData( RedlineType_t eT, sal_uInt16 nAut );
	SwRedlineData( const SwRedlineData& rCpy, sal_Bool bCpyNext = sal_True );

	// fuer sw3io: pNext/pExtraData gehen in eigenen Besitz ueber!
	SwRedlineData( RedlineType_t eT, sal_uInt16 nAut, const DateTime& rDT,
				   const String& rCmnt, SwRedlineData* pNxt,
					SwRedlineExtraData* pExtraData = 0 );

	~SwRedlineData();

	int operator==( const SwRedlineData& rCmp ) const
		{
			return nAuthor == rCmp.nAuthor &&
					eType == rCmp.eType &&
					sComment == rCmp.sComment &&
					(( !pNext && !rCmp.pNext ) ||
						( pNext && rCmp.pNext && *pNext == *rCmp.pNext )) &&
					(( !pExtraData && !rCmp.pExtraData ) ||
						( pExtraData && rCmp.pExtraData &&
							*pExtraData == *rCmp.pExtraData ));
		}
	int operator!=( const SwRedlineData& rCmp ) const
		{	return !operator==( rCmp ); }

	RedlineType_t GetType() const
  { return ((RedlineType_t)(eType & nsRedlineType_t::REDLINE_NO_FLAG_MASK)); }
	RedlineType_t GetRealType() const { return eType; }
	sal_uInt16 GetAuthor() const 				{ return nAuthor; }
	const String& GetComment() const 		{ return sComment; }
	const DateTime& GetTimeStamp() const 	{ return aStamp; }
	inline const SwRedlineData* Next() const{ return pNext;	}

    void SetComment( const String& rS )     { sComment = rS; }
    void SetTimeStamp( const DateTime& rDT ) { aStamp = rDT; }
    
    void SetAutoFmtFlag()
  { eType = (RedlineType_t)(eType | nsRedlineType_t::REDLINE_FORM_AUTOFMT); }
	int CanCombine( const SwRedlineData& rCmp ) const
		{
			return nAuthor == rCmp.nAuthor &&
					eType == rCmp.eType &&
					sComment == rCmp.sComment &&
					GetTimeStamp() == rCmp.GetTimeStamp() &&
					(( !pNext && !rCmp.pNext ) ||
						( pNext && rCmp.pNext &&
						pNext->CanCombine( *rCmp.pNext ))) &&
					(( !pExtraData && !rCmp.pExtraData ) ||
						( pExtraData && rCmp.pExtraData &&
							*pExtraData == *rCmp.pExtraData ));
		}

	// ExtraData wird kopiert, der Pointer geht also NICHT in den Besitz
	// des RedlineObjectes!
	void SetExtraData( const SwRedlineExtraData* pData );
	const SwRedlineExtraData* GetExtraData() const { return pExtraData; }

	// fuers UI-seitige zusammenfassen von Redline-Actionen. Wird z.Z. nur
	// fuers Autoformat mit Redline benoetigt. Der Wert != 0 bedeutet dabei,
	// das es noch weitere geben kann!
	sal_uInt16 GetSeqNo() const 					{ return nSeqNo; }
	void SetSeqNo( sal_uInt16 nNo ) 				{ nSeqNo = nNo; }

    String GetDescr() const;
};


class SW_DLLPUBLIC SwRedline : public SwPaM
{
	SwRedlineData* pRedlineData;
	SwNodeIndex* pCntntSect;
	sal_Bool bDelLastPara : 1;
	sal_Bool bIsLastParaDelete : 1;
	sal_Bool bIsVisible : 1;

	void MoveToSection();
	void CopyToSection();
	void DelCopyOfSection();
	void MoveFromSection();

public:
	SwRedline( RedlineType_t eType, const SwPaM& rPam );
	SwRedline( const SwRedlineData& rData, const SwPaM& rPam );
	SwRedline( const SwRedlineData& rData, const SwPosition& rPos );
	// fuer sw3io: pData geht in eigenen Besitz ueber!
	SwRedline(SwRedlineData* pData, const SwPosition& rPos, sal_Bool bVsbl,
			   sal_Bool bDelLP, sal_Bool bIsPD) :
		SwPaM( rPos ), pRedlineData( pData ), pCntntSect( 0 ),
		bDelLastPara( bDelLP ), bIsLastParaDelete( bIsPD ), bIsVisible( bVsbl )
	{}
	SwRedline( const SwRedline& );
	virtual ~SwRedline();

	SwNodeIndex* GetContentIdx() const { return pCntntSect; }
	// fuers Undo
	void SetContentIdx( const SwNodeIndex* );

	sal_Bool IsVisible() const { return bIsVisible; }
	sal_Bool IsDelLastPara() const { return bDelLastPara; }

	// das sal_Bool besagt, ob nach dem setzen der Pos kein Bereich mehr
	// aufgespannt ist. -> sal_True, ansonten Bereich und sal_False
	void SetStart( const SwPosition& rPos, SwPosition* pSttPtr = 0 )
	{
		if( !pSttPtr ) pSttPtr = Start();
		*pSttPtr = rPos;
	}
	void SetEnd( const SwPosition& rPos, SwPosition* pEndPtr = 0 )
	{
		if( !pEndPtr ) pEndPtr = End();
		*pEndPtr = rPos;
	}
	// liegt eine gueltige Selektion vor?
	sal_Bool HasValidRange() const;

	const SwRedlineData& GetRedlineData(sal_uInt16 nPos = 0) const;
	int operator==( const SwRedlineData& rCmp ) const
		{ return *pRedlineData == rCmp; }
	int operator!=( const SwRedlineData& rCmp ) const
		{ return *pRedlineData != rCmp; }
	void SetAutoFmtFlag()				{ pRedlineData->SetAutoFmtFlag(); }

	sal_uInt16 GetStackCount() const;
	sal_uInt16 GetAuthor( sal_uInt16 nPos = 0) const;
	const String& GetAuthorString( sal_uInt16 nPos = 0 ) const;
	const DateTime& GetTimeStamp( sal_uInt16 nPos = 0) const;
    RedlineType_t GetRealType( sal_uInt16 nPos = 0 ) const;
	RedlineType_t GetType( sal_uInt16 nPos = 0) const
  { return ( (RedlineType_t)(GetRealType( nPos ) & nsRedlineType_t::REDLINE_NO_FLAG_MASK)); }
	const String& GetComment( sal_uInt16 nPos = 0 ) const;

	void SetComment( const String& rS ) { pRedlineData->SetComment( rS ); }

	// ExtraData wird kopiert, der Pointer geht also NICHT in den Besitz
	// des RedlineObjectes!
	void SetExtraData( const SwRedlineExtraData* pData )
		{ pRedlineData->SetExtraData( pData ); }
	const SwRedlineExtraData* GetExtraData() const
		{ return pRedlineData->GetExtraData(); }

	// fuers UI-seitige zusammenfassen von Redline-Actionen. Wird z.Z. nur
	// fuers Autoformat mit Redline benoetigt. Der Wert != 0 bedeutet dabei,
	// das es noch weitere geben kann!
	sal_uInt16 GetSeqNo() const 			{ return pRedlineData->GetSeqNo(); }
	void SetSeqNo( sal_uInt16 nNo ) 		{ pRedlineData->SetSeqNo( nNo ); }

	// Beim Hide/ShowOriginal wird 2 mal ueber die Liste gelaufen, damit
	//	die Del-Redlines per Copy und Delete versteckt werden. Beim Move
	//	wird sonst die Attributierung falsch behandelt.
	// Alle anderen Aufrufer muessen immer 0 angeben.
	void CallDisplayFunc( sal_uInt16 nLoop = 0 );
	void Show( sal_uInt16 nLoop = 0 );
	void Hide( sal_uInt16 nLoop = 0 );
	void ShowOriginal( sal_uInt16 nLoop = 0 );

    // calculates the intersection with text node number nNdIdx
    void CalcStartEnd( sal_uLong nNdIdx, sal_uInt16& nStart, sal_uInt16& nEnd ) const;

    void InvalidateRange();     // das Layout anstossen

	sal_Bool IsOwnRedline( const SwRedline& rRedl ) const
		{ return GetAuthor() == rRedl.GetAuthor(); }
	sal_Bool CanCombine( const SwRedline& rRedl ) const;

	void PushData( const SwRedline& rRedl, sal_Bool bOwnAsNext = sal_True );
	sal_Bool PopData();

    // #111827#
    /**
       Returns textual description of this a redline data element of
       this redline.

       @param nPos index of the redline data element to describe

       The textual description of the selected element contains the
       kind of redline and the possibly shortened text of the redline.

       @return textual description of the selected redline data element
     */
    String GetDescr(sal_uInt16 nPos = 0);

	int operator==( const SwRedline& ) const;
	int operator<( const SwRedline& ) const;
};

class SW_DLLPUBLIC SwRedlineHint : public SfxHint
{
#define SWREDLINE_INSERTED	1
#define SWREDLINE_REMOVED	2
#define SWREDLINE_FOCUS		3
#define SWREDLINE_CHANGED	4
#define SWREDLINE_LANGUAGE	5

	const SwRedline* pRedline;
	sal_Int16 nWhich;
	const SwView* pView;

public:
	SwRedlineHint( const SwRedline* p, sal_Int16 n, const SwView* pV = 0)
		: pRedline(p)
		, nWhich(n)
		, pView(pV)
        {}   

	TYPEINFO();
	const SwRedline* GetRedline() const { return pRedline; }
	sal_Int16 Which() const { return nWhich; }
        const SwView* GetView() const { return pView; }
};


#endif