xref: /trunk/main/sw/source/core/inc/ftnboss.hxx (revision cdf0e10c)
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27 #ifndef _FTNBOSS_HXX
28 #define _FTNBOSS_HXX
29 
30 #include "layfrm.hxx"
31 
32 class SwFtnBossFrm;
33 class SwFtnContFrm;
34 class SwFtnFrm;
35 class SwTxtFtn;
36 
37 
38 //Setzen des maximalen Fussnotenbereiches. Restaurieren des alten Wertes im DTor.
39 //Implementierung im ftnfrm.cxx
40 class SwSaveFtnHeight
41 {
42 	SwFtnBossFrm *pBoss;
43 	const SwTwips nOldHeight;
44 	SwTwips nNewHeight;
45 public:
46 	SwSaveFtnHeight( SwFtnBossFrm *pBs, const SwTwips nDeadLine );
47 	~SwSaveFtnHeight();
48 };
49 
50 #define NA_ONLY_ADJUST 0
51 #define NA_GROW_SHRINK 1
52 #define NA_GROW_ADJUST 2
53 #define NA_ADJUST_GROW 3
54 
55 class SwFtnBossFrm: public SwLayoutFrm
56 {
57 	//Fuer die privaten Fussnotenoperationen
58 	friend class SwFrm;
59 	friend class SwSaveFtnHeight;
60 	friend class SwPageFrm; // fuer das Setzen der MaxFtnHeight
61 
62 	//Maximale Hoehe des Fussnotencontainers fuer diese Seite.
63 	SwTwips nMaxFtnHeight;
64 
65 	SwFtnContFrm *MakeFtnCont();
66 	SwFtnFrm	 *FindFirstFtn();
67 	sal_uInt8 _NeighbourhoodAdjustment( const SwFrm* pFrm ) const;
68 protected:
69 
70 	void		  InsertFtn( SwFtnFrm * );
71 	static void	  ResetFtn( const SwFtnFrm *pAssumed );
72 public:
73 	inline SwFtnBossFrm( SwFrmFmt* pFmt, SwFrm* pSib ) : SwLayoutFrm( pFmt, pSib ) {}
74 
75 				 SwLayoutFrm *FindBodyCont();
76 	inline const SwLayoutFrm *FindBodyCont() const;
77 	inline void SetMaxFtnHeight( const SwTwips nNewMax ) { nMaxFtnHeight = nNewMax; }
78 
79 	//Fussnotenschnittstelle
80 	void AppendFtn( SwCntntFrm *, SwTxtFtn * );
81 	void RemoveFtn( const SwCntntFrm *, const SwTxtFtn *, sal_Bool bPrep = sal_True );
82 	static		 SwFtnFrm 	  *FindFtn( const SwCntntFrm *, const SwTxtFtn * );
83 				 SwFtnContFrm *FindFtnCont();
84 	inline const SwFtnContFrm *FindFtnCont() const;
85 		   const SwFtnFrm	  *FindFirstFtn( SwCntntFrm* ) const;
86 				 SwFtnContFrm *FindNearestFtnCont( sal_Bool bDontLeave = sal_False );
87 
88 	void ChangeFtnRef( const SwCntntFrm *pOld, const SwTxtFtn *,
89 					   SwCntntFrm *pNew );
90 	void RearrangeFtns( const SwTwips nDeadLine, const sal_Bool bLock = sal_False,
91 						const SwTxtFtn *pAttr = 0 );
92 
93 	//SS damit der Textformatierer Temporaer die Fussnotenhoehe begrenzen
94 	//kann. DeadLine in Dokumentkoordinaten.
95 	void	SetFtnDeadLine( const SwTwips nDeadLine );
96 	SwTwips GetMaxFtnHeight() const { return nMaxFtnHeight; }
97 
98 	//Liefert den Wert, der noch uebrig ist, bis der Body seine minimale
99 	//Hoehe erreicht hat.
100 	SwTwips GetVarSpace() const;
101 
102 		//Layoutseitig benoetigte Methoden
103     /// OD 03.04.2003 #108446# - add parameters <_bCollectOnlyPreviousFtns> and
104     /// <_pRefFtnBossFrm> in order to control, if only footnotes, which are positioned
105     /// before the given reference footnote boss frame have to be collected.
106     /// Note: if parameter <_bCollectOnlyPreviousFtns> is true, then parameter
107     /// <_pRefFtnBossFrm> have to be referenced to an object.
108     static void _CollectFtns( const SwCntntFrm*   _pRef,
109                               SwFtnFrm*           _pFtn,
110                               SvPtrarr&           _rFtnArr,
111                               const sal_Bool      _bCollectOnlyPreviousFtns = sal_False,
112                               const SwFtnBossFrm* _pRefFtnBossFrm = NULL);
113     /// OD 03.04.2003 #108446# - add parameter <_bCollectOnlyPreviousFtns> in
114     /// order to control, if only footnotes, which are positioned before the
115     /// footnote boss frame <this> have to be collected.
116     void    CollectFtns( const SwCntntFrm* _pRef,
117                          SwFtnBossFrm*     _pOld,
118                          SvPtrarr&         _rFtnArr,
119                          const sal_Bool    _bCollectOnlyPreviousFtns = sal_False );
120 	void	_MoveFtns( SvPtrarr &rFtnArr, sal_Bool bCalc = sal_False );
121 	void	MoveFtns( const SwCntntFrm *pSrc, SwCntntFrm *pDest,
122 					  SwTxtFtn *pAttr );
123 	// Sollte AdjustNeighbourhood gerufen werden (oder Grow/Shrink)?
124 	sal_uInt8 NeighbourhoodAdjustment( const SwFrm* pFrm ) const
125 		{ return IsPageFrm() ? NA_ONLY_ADJUST : _NeighbourhoodAdjustment( pFrm ); }
126 };
127 
128 inline const SwLayoutFrm *SwFtnBossFrm::FindBodyCont() const
129 {
130 	return ((SwFtnBossFrm*)this)->FindBodyCont();
131 }
132 inline const SwFtnContFrm *SwFtnBossFrm::FindFtnCont() const
133 {
134 	return ((SwFtnBossFrm*)this)->FindFtnCont();
135 }
136 
137 #endif	//_FTNBOSS_HXX
138