xref: /AOO41X/main/sc/source/core/inc/doubleref.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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30 
31 #ifndef SC_DOUBLEREF_HXX
32 #define SC_DOUBLEREF_HXX
33 
34 #include "address.hxx"
35 #include "scmatrix.hxx"
36 
37 class ScDocument;
38 class ScBaseCell;
39 struct ScDBQueryParamBase;
40 struct ScQueryParamBase;
41 
42 // ============================================================================
43 
44 /**
45  * Base class for abstracting range data backends for database functions.
46  */
47 class ScDBRangeBase
48 {
49 public:
50     enum RefType { INTERNAL, EXTERNAL }; // TODO: We may not need this after all... (kohei)
51 
52     virtual ~ScDBRangeBase() = 0;
53 
54     bool fillQueryEntries(ScQueryParamBase* pParam, const ScDBRangeBase* pDBRef) const;
55 
56     virtual SCCOL getColSize() const = 0;
57     virtual SCROW getRowSize() const = 0;
58     virtual SCSIZE getVisibleDataCellCount() const = 0;
59 
60     /**
61      * Get a string value of a specified cell position.  Note that the
62      * position of the upper left cell of the range is always (0, 0) even if
63      * the reference type is of internal range.
64      *
65      * @param nCol column position (0 to column size-1)
66      * @param nRow row position (0 to row size-1)
67      */
68     virtual ::rtl::OUString getString(SCCOL nCol, SCROW nRow) const = 0;
69 
70     virtual SCCOL getFirstFieldColumn() const = 0;
71 
72     /**
73      * Get a <i>0-based</i> column index that corresponds with the passed field
74      * index.  Note that the field index passed as the 1st parameter is
75      * <i>1-based.</i>
76      *
77      * @param nIndex 1-based field index.
78      *
79      * @return 0-based column index
80      */
81     virtual SCCOL findFieldColumn(SCCOL nIndex) const = 0;
82     virtual SCCOL findFieldColumn(const ::rtl::OUString& rStr, sal_uInt16* pErr = NULL) const = 0;
83     virtual ScDBQueryParamBase* createQueryParam(const ScDBRangeBase* pQueryRef) const = 0;
84     virtual bool isRangeEqual(const ScRange& rRange) const = 0;
85 
86 protected:
87     ScDBRangeBase(ScDocument* pDoc, RefType eType);
88     ScDocument* getDoc() const;
89 
90     /**
91      * Populate query options that are always the same for all database
92      * queries.
93      */
94     static void fillQueryOptions(ScQueryParamBase* pParam);
95 
96 private:
97     ScDBRangeBase(); // disabled
98 
99     ScDocument* mpDoc;
100     RefType meType;
101 };
102 
103 // ============================================================================
104 
105 class ScDBInternalRange : public ScDBRangeBase
106 {
107 public:
108     explicit ScDBInternalRange(ScDocument* pDoc, const ScRange& rRange);
109     virtual ~ScDBInternalRange();
110 
111     const ScRange& getRange() const;
112 
113     virtual SCCOL getColSize() const;
114     virtual SCROW getRowSize() const;
115     virtual SCSIZE getVisibleDataCellCount() const;
116 
117     /**
118      * Get a string value of a specified cell position.  Note that the
119      * position of the upper left cell of the range is always (0, 0) even if
120      * the reference type is of internal range.
121      *
122      * @param nCol column position (0 to column size-1)
123      * @param nRow row position (0 to row size-1)
124      */
125     virtual ::rtl::OUString getString(SCCOL nCol, SCROW nRow) const;
126 
127     virtual SCCOL getFirstFieldColumn() const;
128     /**
129      * Get a <i>0-based</i> column index that corresponds with the passed field
130      * index.  Note that the field index passed as the 1st parameter is
131      * <i>1-based.</i>
132      *
133      * @param nIndex 1-based field index.
134      *
135      * @return 0-based column index
136      */
137     virtual SCCOL findFieldColumn(SCCOL nIndex) const;
138     virtual SCCOL findFieldColumn(const ::rtl::OUString& rStr, sal_uInt16* pErr = NULL) const;
139     virtual ScDBQueryParamBase* createQueryParam(const ScDBRangeBase* pQueryRef) const;
140     virtual bool isRangeEqual(const ScRange& rRange) const;
141 
142 private:
143     ScRange maRange;
144 };
145 
146 // ============================================================================
147 
148 class ScDBExternalRange : public ScDBRangeBase
149 {
150 public:
151     explicit ScDBExternalRange(ScDocument* pDoc, const ScMatrixRef& pMat);
152     virtual ~ScDBExternalRange();
153 
154     virtual SCCOL getColSize() const;
155     virtual SCROW getRowSize() const;
156     virtual SCSIZE getVisibleDataCellCount() const;
157 
158     /**
159      * Get a string value of a specified cell position.  Note that the
160      * position of the upper left cell of the range is always (0, 0) even if
161      * the reference type is of internal range.
162      *
163      * @param nCol column position (0 to column size-1)
164      * @param nRow row position (0 to row size-1)
165      */
166     virtual ::rtl::OUString getString(SCCOL nCol, SCROW nRow) const;
167 
168     virtual SCCOL getFirstFieldColumn() const;
169 
170     /**
171      * Get a <i>0-based</i> column index that corresponds with the passed field
172      * index.  Note that the field index passed as the 1st parameter is
173      * <i>1-based.</i>
174      *
175      * @param nIndex 1-based field index.
176      *
177      * @return 0-based column index
178      */
179     virtual SCCOL findFieldColumn(SCCOL nIndex) const;
180     virtual SCCOL findFieldColumn(const ::rtl::OUString& rStr, sal_uInt16* pErr = NULL) const;
181     virtual ScDBQueryParamBase* createQueryParam(const ScDBRangeBase* pQueryRef) const;
182     virtual bool isRangeEqual(const ScRange& rRange) const;
183 
184 private:
185     const ScMatrixRef mpMatrix;
186     SCCOL mnCols;
187     SCROW mnRows;
188 };
189 
190 #endif
191