AOO410/main/editeng/source/editeng/editdoc.hxx

/**************************************************************
 * 
 * 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
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 *************************************************************/



#ifndef _EDITDOC_HXX
#define _EDITDOC_HXX

#ifndef _COM_SUN_STAR_I18N_XEXTENDEDINPUTSEQUENCECHECKER_HDL_
#include <com/sun/star/i18n/XExtendedInputSequenceChecker.hpp>
#endif

#include <editattr.hxx>
#include <edtspell.hxx>
#include <editeng/svxfont.hxx>
#include <svl/itemset.hxx>
#include <svl/style.hxx>
#include <svl/itempool.hxx>
#include <tools/table.hxx>

#include <deque>

class ImpEditEngine;
class SvxTabStop;
class SvtCTLOptions;

DBG_NAMEEX( EE_TextPortion )

#define CHARPOSGROW		16
#define DEFTAB 			720

void CreateFont( SvxFont& rFont, const SfxItemSet& rSet, bool bSearchInParent = true, short nScriptType = 0 );
sal_uInt16 GetScriptItemId( sal_uInt16 nItemId, short nScriptType );
sal_Bool IsScriptItemValid( sal_uInt16 nItemId, short nScriptType );

EditCharAttrib* MakeCharAttrib( SfxItemPool& rPool, const SfxPoolItem& rAttr, sal_uInt16 nS, sal_uInt16 nE );

class ContentNode;
class EditDoc;

struct EPaM
{
	sal_uInt16 nPara;
	sal_uInt16 nIndex;

	EPaM()								{ nPara = 0; nIndex = 0; }
	EPaM( sal_uInt16 nP, sal_uInt16 nI )		{ nPara = nP; nIndex = nI; }
	EPaM( const EPaM& r)				{ nPara = r.nPara; nIndex = r.nIndex; }
	EPaM& operator = ( const EPaM& r )	{ nPara = r.nPara; nIndex = r.nIndex; return *this; }
	inline sal_Bool operator == ( const EPaM& r ) const;
	inline sal_Bool operator < ( const EPaM& r ) const;
};

inline sal_Bool EPaM::operator < ( const EPaM& r ) const
{
	return ( ( nPara < r.nPara ) ||
			 ( ( nPara == r.nPara ) && nIndex < r.nIndex ) ) ? sal_True : sal_False;
}

inline sal_Bool EPaM::operator == ( const EPaM& r ) const
{
	return ( ( nPara == r.nPara ) && ( nIndex == r.nIndex ) ) ? sal_True : sal_False;
}

struct ScriptTypePosInfo
{
	short	nScriptType;
	sal_uInt16	nStartPos;
	sal_uInt16	nEndPos;

	ScriptTypePosInfo( short _Type, sal_uInt16 _Start, sal_uInt16 _End )
	{
		nScriptType = _Type;
		nStartPos = _Start;
		nEndPos = _End;
	}
};

typedef std::deque< ScriptTypePosInfo > ScriptTypePosInfos;

struct WritingDirectionInfo
{
	sal_uInt8	nType;
	sal_uInt16	nStartPos;
	sal_uInt16	nEndPos;

	WritingDirectionInfo( sal_uInt8 _Type, sal_uInt16 _Start, sal_uInt16 _End )
	{
		nType = _Type;
		nStartPos = _Start;
		nEndPos = _End;
	}
};


typedef std::deque< WritingDirectionInfo > WritingDirectionInfos;

typedef EditCharAttrib* EditCharAttribPtr;
SV_DECL_PTRARR( CharAttribArray, EditCharAttribPtr, 0, 4 )

class ContentAttribsInfo
{
private:
	SfxItemSet			aPrevParaAttribs;
	CharAttribArray		aPrevCharAttribs;

public:
						ContentAttribsInfo( const SfxItemSet& rParaAttribs );

	const SfxItemSet&		GetPrevParaAttribs() const	{ return aPrevParaAttribs; }
	const CharAttribArray&	GetPrevCharAttribs() const	{ return aPrevCharAttribs; }

	CharAttribArray&		GetPrevCharAttribs() 		{ return aPrevCharAttribs; }
};

typedef ContentAttribsInfo* ContentAttribsInfoPtr;
SV_DECL_PTRARR( ContentInfoArray, ContentAttribsInfoPtr, 1, 1 )

//	----------------------------------------------------------------------
//	class SvxFontTable
//	----------------------------------------------------------------------
DECLARE_TABLE( DummyFontTable, SvxFontItem* )
class SvxFontTable : public DummyFontTable
{
public:
			SvxFontTable();
			~SvxFontTable();

	sal_uLong	GetId( const SvxFontItem& rFont );
};

//	----------------------------------------------------------------------
//	class SvxColorList
//	----------------------------------------------------------------------
typedef ContentNode* ContentNodePtr;
DECLARE_LIST( DummyColorList, SvxColorItem* )
class SvxColorList : public DummyColorList
{
public:
			SvxColorList();
			~SvxColorList();

	sal_uLong	GetId( const SvxColorItem& rColor );
};

//	----------------------------------------------------------------------
//	class ItemList
//	----------------------------------------------------------------------
typedef const SfxPoolItem* ConstPoolItemPtr;
DECLARE_LIST( DummyItemList, ConstPoolItemPtr )
class ItemList : public DummyItemList
{
public:
	const SfxPoolItem*	FindAttrib( sal_uInt16 nWhich );
};

// -------------------------------------------------------------------------
// class ContentAttribs
// -------------------------------------------------------------------------
class ContentAttribs
{
private:
	SfxStyleSheet*	pStyle;
	SfxItemSet		aAttribSet;

public:
					ContentAttribs( SfxItemPool& rItemPool );
					ContentAttribs( const ContentAttribs& );
					~ContentAttribs();	// erst bei umfangreicheren Tabs

	SvxTabStop		FindTabStop( long nCurPos, sal_uInt16 nDefTab );
	SfxItemSet&		GetItems()							{ return aAttribSet; }
	SfxStyleSheet*	GetStyleSheet() const				{ return pStyle; }
	void			SetStyleSheet( SfxStyleSheet* pS );

	const SfxPoolItem&	GetItem( sal_uInt16 nWhich );
	sal_Bool				HasItem( sal_uInt16 nWhich );
};

// -------------------------------------------------------------------------
// class CharAttribList
// -------------------------------------------------------------------------
class CharAttribList
{
private:
	CharAttribArray	aAttribs;
	SvxFont			aDefFont;				// schneller, als jedesmal vom Pool!
	sal_Bool			bHasEmptyAttribs;

					CharAttribList( const CharAttribList& ) {;}

public:
					CharAttribList();
					~CharAttribList();

	void			DeleteEmptyAttribs(  SfxItemPool& rItemPool );
	void			RemoveItemsFromPool( SfxItemPool* pItemPool );

	EditCharAttrib*	FindAttrib( sal_uInt16 nWhich, sal_uInt16 nPos );
	EditCharAttrib*	FindNextAttrib( sal_uInt16 nWhich, sal_uInt16 nFromPos ) const;
	EditCharAttrib*	FindEmptyAttrib( sal_uInt16 nWhich, sal_uInt16 nPos );
	EditCharAttrib*	FindFeature( sal_uInt16 nPos ) const;


	void			ResortAttribs();
    void            OptimizeRanges( SfxItemPool& rItemPool );

	sal_uInt16			Count()					{ return aAttribs.Count(); }
	void			Clear()					{ aAttribs.Remove( 0, aAttribs.Count()); }
	void			InsertAttrib( EditCharAttrib* pAttrib );

	SvxFont&		GetDefFont() 			{ return aDefFont; }

	sal_Bool			HasEmptyAttribs() const	{ return bHasEmptyAttribs; }
	sal_Bool&			HasEmptyAttribs() 		{ return bHasEmptyAttribs; }
	sal_Bool			HasBoundingAttrib( sal_uInt16 nBound );
	sal_Bool 			HasAttrib( sal_uInt16 nWhich ) const;
	sal_Bool			HasAttrib( sal_uInt16 nStartPos, sal_uInt16 nEndPos ) const;

	CharAttribArray&		GetAttribs() 		{ return aAttribs; }
	const CharAttribArray&	GetAttribs() const	{ return aAttribs; }

	// Debug:
	sal_Bool			DbgCheckAttribs();
};

// -------------------------------------------------------------------------
// class ContentNode
// -------------------------------------------------------------------------
class ContentNode : public XubString
{
private:
	ContentAttribs	aContentAttribs;
	CharAttribList	aCharAttribList;
	WrongList*		pWrongList;

public:
					ContentNode( SfxItemPool& rItemPool );
					ContentNode( const XubString& rStr, const ContentAttribs& rContentAttribs );
					~ContentNode();

	ContentAttribs&	GetContentAttribs() 	{ return aContentAttribs; }
	CharAttribList&	GetCharAttribs()		{ return aCharAttribList; }

	void			ExpandAttribs( sal_uInt16 nIndex, sal_uInt16 nNewChars, SfxItemPool& rItemPool );
	void			CollapsAttribs( sal_uInt16 nIndex, sal_uInt16 nDelChars, SfxItemPool& rItemPool );
	void			AppendAttribs( ContentNode* pNextNode );
	void			CopyAndCutAttribs( ContentNode* pPrevNode, SfxItemPool& rPool, sal_Bool bKeepEndingAttribs );

	void			SetStyleSheet( SfxStyleSheet* pS, sal_Bool bRecalcFont = sal_True );
	void			SetStyleSheet( SfxStyleSheet* pS, const SvxFont& rFontFromStyle );
	SfxStyleSheet*	GetStyleSheet()	{ return aContentAttribs.GetStyleSheet(); }

	void			CreateDefFont();

	WrongList*		GetWrongList() 			{ return pWrongList; }
	void			SetWrongList( WrongList* p );

	void			CreateWrongList();
	void			DestroyWrongList();

	sal_Bool			IsFeature( sal_uInt16 nPos ) const { return ( GetChar( nPos ) == CH_FEATURE ); }
};

typedef ContentNode* ContentNodePtr;
SV_DECL_PTRARR( DummyContentList, ContentNodePtr, 0, 4 )

class ContentList : public DummyContentList
{
  sal_uInt16 nLastCache;
public:
  ContentList() : DummyContentList( 0, 4 ), nLastCache(0) {}
  sal_uInt16 GetPos( const ContentNodePtr &rPtr ) const;
};

// -------------------------------------------------------------------------
// class EditPaM
// -------------------------------------------------------------------------
class EditPaM
{
private:
	ContentNode*	pNode;
	sal_uInt16			nIndex;

public:
					EditPaM() 							{ pNode = NULL; nIndex = 0; }
					EditPaM( ContentNode* p, sal_uInt16 n )	{ pNode = p; nIndex = n; }

	ContentNode*	GetNode() const					{ return pNode; }
	void			SetNode( ContentNode* p) 		{ pNode = p; }

	sal_uInt16			GetIndex() const				{ return nIndex; }
	sal_uInt16&			GetIndex() 						{ return nIndex; }
	void			SetIndex( sal_uInt16 n )			{ nIndex = n; }

	sal_Bool			IsParaStart() const				{ return nIndex == 0; }
	sal_Bool			IsParaEnd() const 				{ return nIndex == pNode->Len(); }

	sal_Bool			DbgIsBuggy( EditDoc& rDoc );

	EditPaM&	operator = ( const EditPaM& rPaM );
	friend sal_Bool operator == ( const EditPaM& r1,  const EditPaM& r2  );
	friend sal_Bool operator != ( const EditPaM& r1,  const EditPaM& r2  );
};

#define PORTIONKIND_TEXT		0
#define PORTIONKIND_TAB         1
#define PORTIONKIND_LINEBREAK	2
#define PORTIONKIND_FIELD		3
#define PORTIONKIND_HYPHENATOR	4
// #define PORTIONKIND_EXTRASPACE	5

#define DELMODE_SIMPLE			0
#define DELMODE_RESTOFWORD		1
#define DELMODE_RESTOFCONTENT	2

#define CHAR_NORMAL            0x00
#define CHAR_KANA              0x01
#define CHAR_PUNCTUATIONLEFT   0x02
#define CHAR_PUNCTUATIONRIGHT  0x04

// -------------------------------------------------------------------------
// struct ExtraPortionInfos
// -------------------------------------------------------------------------
struct ExtraPortionInfo
{
    long    nOrgWidth;
    long    nWidthFullCompression;

    long    nPortionOffsetX;

    sal_uInt16  nMaxCompression100thPercent;

    sal_uInt8    nAsianCompressionTypes;
    sal_Bool    bFirstCharIsRightPunktuation;
    sal_Bool    bCompressed;

    sal_Int32*    pOrgDXArray;


            ExtraPortionInfo();
            ~ExtraPortionInfo();

    void    SaveOrgDXArray( const sal_Int32* pDXArray, sal_uInt16 nLen );
    void    DestroyOrgDXArray();
};


// -------------------------------------------------------------------------
// class TextPortion
// -------------------------------------------------------------------------
class TextPortion
{
private:
    ExtraPortionInfo*   pExtraInfos;
	sal_uInt16		        nLen;
	Size		        aOutSz;
	sal_uInt8		        nKind;
    sal_uInt8                nRightToLeft;
	sal_Unicode	        nExtraValue;


				TextPortion()				{ DBG_CTOR( EE_TextPortion, 0 );
                                              pExtraInfos = NULL; nLen = 0; nKind = PORTIONKIND_TEXT; nExtraValue = 0; nRightToLeft = sal_False;}

public:
				TextPortion( sal_uInt16 nL ) : aOutSz( -1, -1 )
											{	DBG_CTOR( EE_TextPortion, 0 );
												pExtraInfos = NULL; nLen = nL; nKind = PORTIONKIND_TEXT; nExtraValue = 0; nRightToLeft = sal_False;}
				TextPortion( const TextPortion& r )	: aOutSz( r.aOutSz )
											{ DBG_CTOR( EE_TextPortion, 0 );
												pExtraInfos = NULL; nLen = r.nLen; nKind = r.nKind; nExtraValue = r.nExtraValue; nRightToLeft = r.nRightToLeft; }

                ~TextPortion()				{ 	DBG_DTOR( EE_TextPortion, 0 ); delete pExtraInfos; }

    sal_uInt16		GetLen() const				{ return nLen; }
	sal_uInt16&		GetLen() 					{ return nLen; }
	void		SetLen( sal_uInt16 nL )			{ nLen = nL; }

	Size&		GetSize()					{ return aOutSz; }
	Size		GetSize() const				{ return aOutSz; }

	sal_uInt8&		GetKind()					{ return nKind; }
	sal_uInt8		GetKind() const				{ return nKind; }

    void        SetRightToLeft( sal_uInt8 b )    { nRightToLeft = b; }
    sal_uInt8        GetRightToLeft() const      { return nRightToLeft; }
    sal_Bool        IsRightToLeft() const       { return (nRightToLeft&1); }

	sal_Unicode	GetExtraValue() const		{ return nExtraValue; }
	void		SetExtraValue( sal_Unicode n ) 	{ nExtraValue = n; }

	sal_Bool		HasValidSize() const		{ return aOutSz.Width() != (-1); }

    ExtraPortionInfo*   GetExtraInfos() const { return pExtraInfos; }
    void                SetExtraInfos( ExtraPortionInfo* p ) { delete pExtraInfos; pExtraInfos = p; }
};

// -------------------------------------------------------------------------
// class TextPortionList
// -------------------------------------------------------------------------
typedef TextPortion* TextPortionPtr;
SV_DECL_PTRARR( TextPortionArray, TextPortionPtr, 0, 8 )

class TextPortionList : public TextPortionArray
{
public:
			TextPortionList();
			~TextPortionList();

	void	Reset();
	sal_uInt16	FindPortion( sal_uInt16 nCharPos, sal_uInt16& rPortionStart, sal_Bool bPreferStartingPortion = sal_False );
    sal_uInt16  GetStartPos( sal_uInt16 nPortion );
	void	DeleteFromPortion( sal_uInt16 nDelFrom );
};

class ParaPortion;

SV_DECL_VARARR( CharPosArray, sal_Int32, 0, CHARPOSGROW )

// ------------------------------------------------------------------------
// class EditLine
// -------------------------------------------------------------------------
class EditLine
{
private:
	CharPosArray	aPositions;
    long            nTxtWidth;
	sal_uInt16			nStartPosX;
	sal_uInt16			nStart;		// koennte durch nStartPortion ersetzt werden
	sal_uInt16			nEnd;       // koennte durch nEndPortion ersetzt werden
	sal_uInt16			nStartPortion;
	sal_uInt16 			nEndPortion;
	sal_uInt16			nHeight;	// Gesamthoehe der Zeile
	sal_uInt16			nTxtHeight;	// Reine Texthoehe
	sal_uInt16			nCrsrHeight;	// Bei Konturfluss hohe Zeilen => Cursor zu gro?.
	sal_uInt16			nMaxAscent;
	sal_Bool			bHangingPunctuation;
	sal_Bool			bInvalid;	// fuer geschickte Formatierung

public:
					EditLine();
					EditLine( const EditLine& );
					~EditLine();

	sal_Bool			IsIn( sal_uInt16 nIndex ) const
						{ return ( (nIndex >= nStart ) && ( nIndex < nEnd ) ); }

	sal_Bool			IsIn( sal_uInt16 nIndex, sal_Bool bInclEnd ) const
						{ return ( ( nIndex >= nStart ) && ( bInclEnd ? ( nIndex <= nEnd ) : ( nIndex < nEnd ) ) ); }

	void			SetStart( sal_uInt16 n )			{ nStart = n; }
	sal_uInt16			GetStart() const				{ return nStart; }
	sal_uInt16&			GetStart() 						{ return nStart; }

	void			SetEnd( sal_uInt16 n )				{ nEnd = n; }
	sal_uInt16			GetEnd() const					{ return nEnd; }
	sal_uInt16&			GetEnd() 						{ return nEnd; }

	void			SetStartPortion( sal_uInt16 n )		{ nStartPortion = n; }
	sal_uInt16			GetStartPortion() const			{ return nStartPortion; }
	sal_uInt16&			GetStartPortion() 				{ return nStartPortion; }

	void			SetEndPortion( sal_uInt16 n )		{ nEndPortion = n; }
	sal_uInt16			GetEndPortion() const			{ return nEndPortion; }
	sal_uInt16&			GetEndPortion() 				{ return nEndPortion; }

	void			SetHeight( sal_uInt16 nH, sal_uInt16 nTxtH = 0, sal_uInt16 nCrsrH = 0 )
					{ 	nHeight = nH;
						nTxtHeight = ( nTxtH ? nTxtH : nH );
						nCrsrHeight = ( nCrsrH ? nCrsrH : nTxtHeight );
					}
	sal_uInt16			GetHeight() const				{ return nHeight; }
	sal_uInt16			GetTxtHeight() const			{ return nTxtHeight; }
	sal_uInt16			GetCrsrHeight() const			{ return nCrsrHeight; }

    void            SetTextWidth( long n )          { nTxtWidth = n; }
    long            GetTextWidth() const            { return nTxtWidth; }

	void			SetMaxAscent( sal_uInt16 n )		{ nMaxAscent = n; }
	sal_uInt16			GetMaxAscent() const			{ return nMaxAscent; }

	void			SetHangingPunctuation( sal_Bool b )		{ bHangingPunctuation = b; }
	sal_Bool			IsHangingPunctuation() const		{ return bHangingPunctuation; }

	sal_uInt16			GetLen() const					{ return nEnd - nStart; }

	sal_uInt16			GetStartPosX() const			{ return nStartPosX; }
	void			SetStartPosX( sal_uInt16 start )	{ nStartPosX = start; }

	Size			CalcTextSize( ParaPortion& rParaPortion );

	sal_Bool			IsInvalid()	const				{ return bInvalid; }
	sal_Bool			IsValid() const					{ return !bInvalid; }
	void			SetInvalid()					{ bInvalid = sal_True; }
	void			SetValid()						{ bInvalid = sal_False; }

	sal_Bool			IsEmpty() const					{ return (nEnd > nStart) ? sal_False : sal_True; }

	CharPosArray&	GetCharPosArray()				{ return aPositions; }

	EditLine*		Clone() const;

	EditLine&	operator = ( const EditLine& rLine );
	friend sal_Bool operator == ( const EditLine& r1,  const EditLine& r2  );
	friend sal_Bool operator != ( const EditLine& r1,  const EditLine& r2  );
};


// -------------------------------------------------------------------------
// class LineList
// -------------------------------------------------------------------------
typedef EditLine* EditLinePtr;
SV_DECL_PTRARR( LineArray, EditLinePtr, 0, 4 )

class EditLineList : public LineArray
{
public:
			EditLineList();
			~EditLineList();

	void	Reset();
	void	DeleteFromLine( sal_uInt16 nDelFrom );
	sal_uInt16	FindLine( sal_uInt16 nChar, sal_Bool bInclEnd );
};

// -------------------------------------------------------------------------
// class ParaPortion
// -------------------------------------------------------------------------
class ParaPortion
{
	friend class ImpEditEngine;	// zum Einstellen der Hoehe
private:
	EditLineList		aLineList;
	TextPortionList		aTextPortionList;
	ContentNode*		pNode;
	long				nHeight;

	ScriptTypePosInfos	    aScriptInfos;
    WritingDirectionInfos   aWritingDirectionInfos;

	sal_uInt16				nInvalidPosStart;
	sal_uInt16				nFirstLineOffset;	// Fuer Writer-LineSpacing-Interpretation
	sal_uInt16				nBulletX;
	short				nInvalidDiff;

	sal_Bool				bInvalid 			: 1;
	sal_Bool				bSimple				: 1;	// nur lineares Tippen
	sal_Bool				bVisible			: 1;	// MT 05/00: Gehoert an den Node!!!
	sal_Bool				bForceRepaint		: 1;

						ParaPortion( const ParaPortion& );

public:
						ParaPortion( ContentNode* pNode );
						~ParaPortion();

	sal_uInt16				GetLineNumber( sal_uInt16 nIndex );

	EditLineList&		GetLines()					{ return aLineList; }

	sal_Bool				IsInvalid()	const			{ return bInvalid; }
	sal_Bool				IsSimpleInvalid()	const	{ return bSimple; }
	void				SetValid()					{ bInvalid = sal_False; bSimple = sal_True;}

	sal_Bool				MustRepaint() const			{ return bForceRepaint; }
	void				SetMustRepaint( sal_Bool bRP )	{ bForceRepaint = bRP; }

	sal_uInt16				GetBulletX() const			{ return nBulletX; }
	void				SetBulletX( sal_uInt16 n ) 		{ nBulletX = n; }

	void				MarkInvalid( sal_uInt16 nStart, short nDiff);
	void				MarkSelectionInvalid( sal_uInt16 nStart, sal_uInt16 nEnd );

	void				SetVisible( sal_Bool bVisible );
	sal_Bool				IsVisible()					{ return bVisible; }

	long				GetHeight() const 			{ return ( bVisible ? nHeight : 0 ); }
	sal_uInt16				GetFirstLineOffset() const 	{ return ( bVisible ? nFirstLineOffset : 0 ); }
	void				ResetHeight()	{ nHeight = 0; nFirstLineOffset = 0; }

	ContentNode*		GetNode() const				{ return pNode; }
	TextPortionList&	GetTextPortions() 			{ return aTextPortionList; }

	sal_uInt16				GetInvalidPosStart() const	{ return nInvalidPosStart; }
	short				GetInvalidDiff() const 		{ return nInvalidDiff; }

	void				CorrectValuesBehindLastFormattedLine( sal_uInt16 nLastFormattedLine );

	sal_Bool				DbgCheckTextPortions();
};

typedef ParaPortion* ParaPortionPtr;
SV_DECL_PTRARR( DummyParaPortionList, ParaPortionPtr, 0, 4 )

// -------------------------------------------------------------------------
// class ParaPortionList
// -------------------------------------------------------------------------
class ParaPortionList : public DummyParaPortionList
{
	sal_uInt16 nLastCache;
public:
					ParaPortionList();
					~ParaPortionList();

	void			Reset();
	long			GetYOffset( ParaPortion* pPPortion );
	sal_uInt16			FindParagraph( long nYOffset );

	inline ParaPortion*	SaveGetObject( sal_uInt16 nPos ) const
		{ return ( nPos < Count() ) ? GetObject( nPos ) : 0; }

	sal_uInt16                  GetPos( const ParaPortionPtr &rPtr ) const;

	// temporaer:
	void			DbgCheck( EditDoc& rDoc );
};

// -------------------------------------------------------------------------
// class EditSelection
// -------------------------------------------------------------------------
class EditSelection
{
private:
	EditPaM 		aStartPaM;
	EditPaM 		aEndPaM;

public:
					EditSelection();	// kein CCTOR und DTOR, geht autom. richtig!
					EditSelection( const EditPaM& rStartAndAnd );
					EditSelection( const EditPaM& rStart, const EditPaM& rEnd );

	EditPaM&		Min()				{ return aStartPaM; }
	EditPaM&		Max()				{ return aEndPaM; }

	const EditPaM&	Min() const			{ return aStartPaM; }
	const EditPaM&	Max() const			{ return aEndPaM; }

	sal_Bool			HasRange() const	{ return aStartPaM != aEndPaM; }
    sal_Bool            IsInvalid() const;
	sal_Bool			DbgIsBuggy( EditDoc& rDoc );

	sal_Bool			Adjust( const ContentList& rNodes );

	EditSelection&	operator = ( const EditPaM& r );
	sal_Bool 			operator == ( const EditSelection& r ) const
					{ return ( ( aStartPaM == r.aStartPaM ) && ( aEndPaM == r.aEndPaM ) )
							? sal_True : sal_False; }
	sal_Bool 			operator != ( const EditSelection& r ) const { return !( r == *this ); }
};

// -------------------------------------------------------------------------
// class DeletedNodeInfo
// -------------------------------------------------------------------------
class DeletedNodeInfo
{
private:
	sal_uIntPtr 	nInvalidAdressPtr;
	sal_uInt16	nInvalidParagraph;

public:
			DeletedNodeInfo( sal_uIntPtr nInvAdr, sal_uInt16 nPos )
											{ 	nInvalidAdressPtr = nInvAdr;
												nInvalidParagraph = nPos; }

	sal_uIntPtr	GetInvalidAdress()				{	return nInvalidAdressPtr; }
	sal_uInt16	GetPosition()					{	return nInvalidParagraph; }
};

typedef DeletedNodeInfo* DeletedNodeInfoPtr;
SV_DECL_PTRARR( DeletedNodesList, DeletedNodeInfoPtr, 0, 4 )

// -------------------------------------------------------------------------
// class EditDoc
// -------------------------------------------------------------------------
class EditDoc : public ContentList
{
private:
	SfxItemPool*	pItemPool;
    Link            aModifyHdl;

	SvxFont			aDefFont;			//schneller, als jedesmal vom Pool!
	sal_uInt16			nDefTab;
	sal_Bool			bIsVertical;
	sal_Bool			bIsFixedCellHeight;

	sal_Bool			bOwnerOfPool;
	sal_Bool			bModified;

protected:
	void			ImplDestroyContents();

public:
					EditDoc( SfxItemPool* pItemPool );
					~EditDoc();

	sal_Bool			IsModified() const		{ return bModified; }
	void			SetModified( sal_Bool b );

    void            SetModifyHdl( const Link& rLink ) { aModifyHdl = rLink; }
    Link            GetModifyHdl() const { return aModifyHdl; }

	void			CreateDefFont( sal_Bool bUseStyles );
	const SvxFont&	GetDefFont() { return aDefFont; }

	void			SetDefTab( sal_uInt16 nTab )	{ nDefTab = nTab ? nTab : DEFTAB; }
	sal_uInt16			GetDefTab() const 			{ return nDefTab; }

	void			SetVertical( sal_Bool bVertical )	{ bIsVertical = bVertical; }
	sal_Bool			IsVertical() const 				{ return bIsVertical; }

	void			SetFixedCellHeight( sal_Bool bUseFixedCellHeight )	{ bIsFixedCellHeight = bUseFixedCellHeight; }
	sal_Bool			IsFixedCellHeight() const 				{ return bIsFixedCellHeight; }

	EditPaM			Clear();
	EditPaM			RemoveText();
	EditPaM			RemoveChars( EditPaM aPaM, sal_uInt16 nChars );
    void            InsertText( const EditPaM& rPaM, xub_Unicode c );
	EditPaM			InsertText( EditPaM aPaM, const XubString& rStr );
	EditPaM			InsertParaBreak( EditPaM aPaM, sal_Bool bKeepEndingAttribs );
	EditPaM			InsertFeature( EditPaM aPaM, const SfxPoolItem& rItem );
	EditPaM			ConnectParagraphs( ContentNode* pLeft, ContentNode* pRight );

	String			GetText( LineEnd eEnd ) const;
	sal_uLong			GetTextLen() const;

	XubString 		GetParaAsString( sal_uInt16 nNode ) const;
	XubString 		GetParaAsString( ContentNode* pNode, sal_uInt16 nStartPos = 0, sal_uInt16 nEndPos = 0xFFFF, sal_Bool bResolveFields = sal_True ) const;

	inline EditPaM	GetStartPaM() const;
	inline EditPaM	GetEndPaM() const;

	SfxItemPool&		GetItemPool()					{ return *pItemPool; }
	const SfxItemPool&	GetItemPool() const				{ return *pItemPool; }
	
	void			RemoveItemsFromPool( ContentNode* pNode );

	void			InsertAttrib( const SfxPoolItem& rItem, ContentNode* pNode, sal_uInt16 nStart, sal_uInt16 nEnd );
	void 			InsertAttrib( ContentNode* pNode, sal_uInt16 nStart, sal_uInt16 nEnd, const SfxPoolItem& rPoolItem );
	void			InsertAttribInSelection( ContentNode* pNode, sal_uInt16 nStart, sal_uInt16 nEnd, const SfxPoolItem& rPoolItem );
	sal_Bool			RemoveAttribs( ContentNode* pNode, sal_uInt16 nStart, sal_uInt16 nEnd, sal_uInt16 nWhich = 0 );
	sal_Bool			RemoveAttribs( ContentNode* pNode, sal_uInt16 nStart, sal_uInt16 nEnd, EditCharAttrib*& rpStarting, EditCharAttrib*& rpEnding, sal_uInt16 nWhich = 0 );
	void			FindAttribs( ContentNode* pNode, sal_uInt16 nStartPos, sal_uInt16 nEndPos, SfxItemSet& rCurSet );

	sal_uInt16			GetPos( ContentNode* pNode ) const { return ContentList::GetPos(pNode); }
	ContentNode*	SaveGetObject( sal_uInt16 nPos ) const { return ( nPos < Count() ) ? GetObject( nPos ) : 0; }

	static XubString	GetSepStr( LineEnd eEnd );
};

inline EditPaM EditDoc::GetStartPaM() const
{
	return EditPaM( GetObject( 0 ), 0 );
}

inline EditPaM EditDoc::GetEndPaM() const
{
	ContentNode* pLastNode = GetObject( Count()-1 );
	return EditPaM( pLastNode, pLastNode->Len() );
}

inline EditCharAttrib* GetAttrib( const CharAttribArray& rAttribs, sal_uInt16 nAttr )
{
	return ( nAttr < rAttribs.Count() ) ? rAttribs[nAttr] : 0;
}

sal_Bool CheckOrderedList( CharAttribArray& rAttribs, sal_Bool bStart );

// -------------------------------------------------------------------------
// class EditEngineItemPool
// -------------------------------------------------------------------------
class EditEngineItemPool : public SfxItemPool
{
public:
						EditEngineItemPool( sal_Bool bPersistenRefCounts );
protected:
						virtual ~EditEngineItemPool();
public:

	virtual SvStream&	Store( SvStream& rStream ) const;
};

#endif // _EDITDOC_HXX