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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 _CELLFML_HXX
21 : #define _CELLFML_HXX
22 :
23 : #include <tools/string.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 : class String;
34 :
35 : class SwTblCalcPara
36 : {
37 : const SwTableBox* pLastTblBox;
38 : sal_uInt16 nStackCnt, nMaxSize;
39 :
40 : public:
41 : SwTableSortBoxes *pBoxStk; ///< stack for recognizing recursion
42 : SwCalc& rCalc; ///< current Calculator
43 : const SwTable* pTbl; ///< current table
44 :
45 : SwTblCalcPara( SwCalc& rCalculator, const SwTable& rTable );
46 : ~SwTblCalcPara();
47 :
48 : sal_Bool CalcWithStackOverflow();
49 0 : sal_Bool IsStackOverFlow() const { return nMaxSize == nStackCnt; }
50 0 : sal_Bool IncStackCnt() { return nMaxSize == ++nStackCnt; }
51 0 : void DecStackCnt() { if( nStackCnt ) --nStackCnt; }
52 0 : void SetLastTblBox( const SwTableBox* pBox ) { pLastTblBox = pBox; }
53 : };
54 :
55 :
56 :
57 : class SwTableFormula
58 : {
59 : typedef void (SwTableFormula:: *FnScanFormel)( const SwTable&, String&,
60 : String&, String*, void* ) const;
61 :
62 : void BoxNmsToPtr( const SwTable&, String&, String&, String* = 0,
63 : void* pPara = 0 ) const;
64 : void PtrToBoxNms( const SwTable&, String&, String&, String* = 0,
65 : void* pPara = 0 ) const;
66 : void RelNmsToBoxNms( const SwTable&, String&, String&, String* = 0,
67 : void* pPara = 0 ) const;
68 : void RelBoxNmsToPtr( const SwTable&, String&, String&, String* = 0,
69 : void* pPara = 0 ) const;
70 : void BoxNmsToRelNm( const SwTable&, String&, String&, String* = 0,
71 : void* pPara = 0 ) const;
72 : void _MakeFormula( const SwTable&, String&, String&, String* = 0,
73 : void* pPara = 0 ) const;
74 : void _GetFmlBoxes( const SwTable&, String&, String&, String* = 0,
75 : void* pPara = 0 ) const;
76 : void _HasValidBoxes( const SwTable&, String&, String&, String* = 0,
77 : void* pPara = 0 ) const;
78 : void _SplitMergeBoxNm( const SwTable&, String&, String&, String* = 0,
79 : void* pPara = 0 ) const;
80 :
81 : void GetBoxes( const SwTableBox& rStt, const SwTableBox& rEnd,
82 : SwSelBoxes& rBoxes ) const;
83 : String ScanString( FnScanFormel fnFormel, const SwTable& rTbl,
84 : void* = 0 ) const;
85 :
86 : const SwTable* FindTable( SwDoc& rDoc, const String& rNm ) const;
87 :
88 : protected:
89 : enum NameType { EXTRNL_NAME, INTRNL_NAME, REL_NAME };
90 :
91 : String sFormel; ///< current formula
92 : NameType eNmType; ///< current display method
93 : bool bValidValue; ///< true: recalculate formula
94 :
95 : // find the node in which the formula is located
96 : // TextFeld -> TextNode,
97 : // BoxAttribut -> BoxStartNode
98 : // !!! has to be overloaded by every derivation !!!
99 : virtual const SwNode* GetNodeOfFormula() const = 0;
100 :
101 : SwTableFormula( const String& rFormel );
102 :
103 0 : String MakeFormula( SwTblCalcPara& rCalcPara ) const
104 : {
105 : return ScanString( &SwTableFormula::_MakeFormula,
106 0 : *rCalcPara.pTbl, &rCalcPara );
107 : }
108 :
109 : static sal_uInt16 GetLnPosInTbl( const SwTable& rTbl, const SwTableBox* pBox );
110 :
111 : public:
112 :
113 0 : SwTableFormula( const SwTableFormula& rCpy ) { *this = rCpy; }
114 : virtual ~SwTableFormula();
115 0 : SwTableFormula& operator=( const SwTableFormula& rCpy )
116 : {
117 0 : sFormel = rCpy.sFormel;
118 0 : eNmType = rCpy.eNmType;
119 0 : bValidValue = rCpy.bValidValue;
120 0 : return *this;
121 : }
122 :
123 : /// create from the internal formula (for CORE) the external formula (for UI)
124 : void PtrToBoxNm( const SwTable* pTbl );
125 : /// create from the external formula the internal
126 : void BoxNmToPtr( const SwTable* pTbl );
127 : /// create from the external/internal formula the relative formula
128 : void ToRelBoxNm( const SwTable* pTbl );
129 : /// gets called before/after merging/splitting of tables
130 : void ToSplitMergeBoxNm( SwTableFmlUpdate& rTblUpd );
131 :
132 0 : bool IsIntrnlName() const { return eNmType == INTRNL_NAME; }
133 0 : NameType GetNameType() const { return eNmType; }
134 :
135 0 : bool IsValid() const { return bValidValue; }
136 0 : inline void ChgValid( bool bNew ) { bValidValue = bNew; }
137 :
138 0 : const String& GetFormula() const { return sFormel; }
139 0 : void SetFormula( const String& rNew )
140 : {
141 0 : sFormel = rNew;
142 0 : bValidValue = false;
143 0 : eNmType = EXTRNL_NAME;
144 0 : }
145 :
146 : void GetBoxesOfFormula(const SwTable& rTbl, SwSelBoxes& rBoxes);
147 : // are all boxes valid which this formula relies on?
148 : bool HasValidBoxes() const;
149 : };
150 :
151 :
152 :
153 : #endif
154 :
155 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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