effc42d64e
Sometimes a cache is passed onto the cache table at construction time, in which case the cache is already there by the time CreateCacheTable() is called. We need to check that.
201 lines
6.6 KiB
C++
201 lines
6.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef SC_DPCACHETABLE_HXX
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#define SC_DPCACHETABLE_HXX
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#include "sal/types.h"
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#include "osl/mutex.hxx"
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#include "global.hxx"
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#include "collect.hxx"
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#include <vector>
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#include <boost/unordered_set.hpp>
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#include <boost/shared_ptr.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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namespace com { namespace sun { namespace star {
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namespace sdbc {
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class XRowSet;
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}
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namespace sheet {
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struct DataPilotFieldFilter;
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}
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}}}
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class Date;
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class ScDPItemData;
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class ScDPCache;
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class ScDocument;
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class ScRange;
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struct ScDPValueData;
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struct ScQueryParam;
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class SC_DLLPUBLIC ScDPCacheTable
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{
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public:
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/** individual filter item used in SingleFilter and GroupFilter. */
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struct FilterItem
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{
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String maString;
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double mfValue;
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bool mbHasValue;
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FilterItem();
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bool match( const ScDPItemData& rCellData ) const;
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};
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/** interface class used for filtering of rows. */
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class FilterBase
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{
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public:
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/** returns true if the matching condition is met for a single cell
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value, or false otherwise. */
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virtual bool match( const ScDPItemData& rCellData ) const = 0;
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};
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/** ordinary single-item filter. */
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class SingleFilter : public FilterBase
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{
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public:
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explicit SingleFilter(String aString, double fValue, bool bHasValue);
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virtual ~SingleFilter() {}
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virtual bool match(const ScDPItemData& rCellData) const;
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const String& getMatchString();
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double getMatchValue() const;
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bool hasValue() const;
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private:
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explicit SingleFilter();
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FilterItem maItem;
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};
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/** multi-item (group) filter. */
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class GroupFilter : public FilterBase
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{
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public:
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GroupFilter();
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virtual ~GroupFilter() {}
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virtual bool match( const ScDPItemData& rCellData ) const;
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void addMatchItem(const String& rStr, double fVal, bool bHasValue);
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size_t getMatchItemCount() const;
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private:
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::std::vector<FilterItem> maItems;
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};
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/** single filtering criterion. */
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struct Criterion
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{
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sal_Int32 mnFieldIndex;
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::boost::shared_ptr<FilterBase> mpFilter;
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Criterion();
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};
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ScDPCacheTable(ScDPCache* pCache);
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~ScDPCacheTable();
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sal_Int32 getRowSize() const;
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sal_Int32 getColSize() const;
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const ScDPCache* getCache() const;
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/** Fill the internal table from the cell range provided. This function
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assumes that the first row is the column header. */
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void fillTable( const ScQueryParam& rQuery, bool* pSpecial,
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bool bIgnoreEmptyRows, bool bRepeatIfEmpty );
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/** Fill the internal table from database connection object. This function
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assumes that the first row is the column header. */
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void fillTable();
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/** Check whether a specified row is active or not. When a row is active,
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it is used in calculation of the results data. A row becomes inactive
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when it is filtered out by page field. */
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bool isRowActive(sal_Int32 nRow) const;
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/** Set filter on/off flag to each row to control visibility. The caller
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must ensure that the table is filled before calling this function. */
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void filterByPageDimension(const ::std::vector<Criterion>& rCriteria, const ::boost::unordered_set<sal_Int32>& rRepeatIfEmptyDims);
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/** Get the cell instance at specified location within the data grid. Note
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that the data grid doesn't include the header row. Don't delete the
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returned object! */
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const ScDPItemData* getCell(SCCOL nCol, SCROW nRow, bool bRepeatIfEmpty) const;
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void getValue( ScDPValueData& rVal, SCCOL nCol, SCROW nRow, bool bRepeatIfEmpty) const;
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String getFieldName( SCCOL nIndex) const;
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/** Get the unique entries for a field specified by index. The caller must
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make sure that the table is filled before calling function, or it will
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get an empty collection. */
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const ::std::vector<SCROW>& getFieldEntries( sal_Int32 nColumn ) const;
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/** Filter the table based on the specified criteria, and copy the
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result to rTabData. This method is used, for example, to generate
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a drill-down data table. */
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void filterTable(const ::std::vector<Criterion>& rCriteria,
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::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > >& rTabData,
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const ::boost::unordered_set<sal_Int32>& rRepeatIfEmptyDims);
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SCROW getOrder(long nDim, SCROW nIndex) const;
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void clear();
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bool empty() const;
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void setCache(ScDPCache* p);
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bool hasCache() const;
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private:
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ScDPCacheTable();
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ScDPCacheTable(const ScDPCacheTable&);
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ScDPCache* getCache();
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/**
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* Check if a given row meets all specified criteria.
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*
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* @param nRow index of row to be tested.
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* @param rCriteria a list of criteria
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*/
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bool isRowQualified(sal_Int32 nRow, const ::std::vector<Criterion>& rCriteria, const ::boost::unordered_set<sal_Int32>& rRepeatIfEmptyDims) const;
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private:
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/** unique field entires for each field (column). */
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::std::vector< ::std::vector<SCROW> > maFieldEntries;
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/** used to track visibility of rows. The first row below the header row
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has the index of 0. */
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::std::vector<bool> maRowsVisible;
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ScDPCache* mpCache;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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