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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_SW_INC_CELLFML_HXX
21 : #define INCLUDED_SW_INC_CELLFML_HXX
22 :
23 : #include <rtl/ustring.hxx>
24 :
25 : class SwTable;
26 : class SwNode;
27 : class SwTableSortBoxes;
28 : class SwSelBoxes;
29 : class SwCalc;
30 : class SwTableBox;
31 : class SwTableFmlUpdate;
32 : class SwDoc;
33 :
34 : class SwTblCalcPara
35 : {
36 : const SwTableBox* pLastTblBox;
37 : sal_uInt16 nStackCnt, nMaxSize;
38 :
39 : public:
40 : SwTableSortBoxes *pBoxStk; ///< stack for recognizing recursion
41 : SwCalc& rCalc; ///< current Calculator
42 : const SwTable* pTbl; ///< current table
43 :
44 : SwTblCalcPara( SwCalc& rCalculator, const SwTable& rTable );
45 : ~SwTblCalcPara();
46 :
47 : bool CalcWithStackOverflow();
48 0 : bool IsStackOverflow() const { return nMaxSize == nStackCnt; }
49 0 : bool IncStackCnt() { return nMaxSize == ++nStackCnt; }
50 0 : void DecStackCnt() { if( nStackCnt ) --nStackCnt; }
51 0 : void SetLastTblBox( const SwTableBox* pBox ) { pLastTblBox = pBox; }
52 : };
53 :
54 : class SwTableFormula
55 : {
56 : typedef void (SwTableFormula:: *FnScanFormula)( const SwTable&, OUString&,
57 : OUString&, OUString*, void* ) const;
58 :
59 : void BoxNmsToPtr( const SwTable&, OUString&, OUString&, OUString* = 0,
60 : void* pPara = 0 ) const;
61 : void PtrToBoxNms( const SwTable&, OUString&, OUString&, OUString* = 0,
62 : void* pPara = 0 ) const;
63 : void RelNmsToBoxNms( const SwTable&, OUString&, OUString&, OUString* = 0,
64 : void* pPara = 0 ) const;
65 : void RelBoxNmsToPtr( const SwTable&, OUString&, OUString&, OUString* = 0,
66 : void* pPara = 0 ) const;
67 : void BoxNmsToRelNm( const SwTable&, OUString&, OUString&, OUString* = 0,
68 : void* pPara = 0 ) const;
69 : void _MakeFormula( const SwTable&, OUString&, OUString&, OUString* = 0,
70 : void* pPara = 0 ) const;
71 : void _GetFmlBoxes( const SwTable&, OUString&, OUString&, OUString* = 0,
72 : void* pPara = 0 ) const;
73 : void _HasValidBoxes( const SwTable&, OUString&, OUString&, OUString* = 0,
74 : void* pPara = 0 ) const;
75 : void _SplitMergeBoxNm( const SwTable&, OUString&, OUString&, OUString* = 0,
76 : void* pPara = 0 ) const;
77 :
78 : void GetBoxes( const SwTableBox& rStt, const SwTableBox& rEnd,
79 : SwSelBoxes& rBoxes ) const;
80 : OUString ScanString( FnScanFormula fnFormula, const SwTable& rTbl,
81 : void* = 0 ) const;
82 :
83 : const SwTable* FindTable( SwDoc& rDoc, const OUString& rNm ) const;
84 :
85 : protected:
86 : enum NameType { EXTRNL_NAME, INTRNL_NAME, REL_NAME };
87 :
88 : OUString m_sFormula; ///< current formula
89 : NameType m_eNmType; ///< current display method
90 : bool m_bValidValue; ///< true: recalculate formula
91 :
92 : // find the node in which the formula is located
93 : // TextFeld -> TextNode,
94 : // BoxAttribut -> BoxStartNode
95 : // !!! has to be overloaded by every derivation !!!
96 : virtual const SwNode* GetNodeOfFormula() const = 0;
97 :
98 : SwTableFormula( const OUString& rFormula );
99 :
100 0 : OUString MakeFormula( SwTblCalcPara& rCalcPara ) const
101 : {
102 : return ScanString( &SwTableFormula::_MakeFormula,
103 0 : *rCalcPara.pTbl, &rCalcPara );
104 : }
105 :
106 : static sal_uInt16 GetLnPosInTbl( const SwTable& rTbl, const SwTableBox* pBox );
107 :
108 : public:
109 :
110 8 : SwTableFormula( const SwTableFormula& rCpy ) { *this = rCpy; }
111 : virtual ~SwTableFormula();
112 8 : SwTableFormula& operator=( const SwTableFormula& rCpy )
113 : {
114 8 : m_sFormula = rCpy.m_sFormula;
115 8 : m_eNmType = rCpy.m_eNmType;
116 8 : m_bValidValue = rCpy.m_bValidValue;
117 8 : return *this;
118 : }
119 :
120 : /// create from the internal formula (for CORE) the external formula (for UI)
121 : void PtrToBoxNm( const SwTable* pTbl );
122 : /// create from the external formula the internal
123 : void BoxNmToPtr( const SwTable* pTbl );
124 : /// create from the external/internal formula the relative formula
125 : void ToRelBoxNm( const SwTable* pTbl );
126 : /// gets called before/after merging/splitting of tables
127 : void ToSplitMergeBoxNm( SwTableFmlUpdate& rTblUpd );
128 :
129 0 : bool IsIntrnlName() const { return m_eNmType == INTRNL_NAME; }
130 0 : NameType GetNameType() const { return m_eNmType; }
131 :
132 0 : bool IsValid() const { return m_bValidValue; }
133 0 : void ChgValid( bool bNew ) { m_bValidValue = bNew; }
134 :
135 8 : OUString GetFormula() const { return m_sFormula; }
136 0 : void SetFormula( const OUString& rNew )
137 : {
138 0 : m_sFormula = rNew;
139 0 : m_eNmType = EXTRNL_NAME;
140 0 : m_bValidValue = false;
141 0 : }
142 :
143 : void GetBoxesOfFormula(const SwTable& rTbl, SwSelBoxes& rBoxes);
144 : // are all boxes valid which this formula relies on?
145 : bool HasValidBoxes() const;
146 : };
147 :
148 : #endif
149 :
150 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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