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Diffstat (limited to 'tools/inc/tools/multisel.hxx')
| -rw-r--r-- | tools/inc/tools/multisel.hxx | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/tools/inc/tools/multisel.hxx b/tools/inc/tools/multisel.hxx new file mode 100644 index 000000000000..dd8a751db5f7 --- /dev/null +++ b/tools/inc/tools/multisel.hxx @@ -0,0 +1,219 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#ifndef _SV_MULTISEL_HXX +#define _SV_MULTISEL_HXX + +#include "tools/toolsdllapi.h" +#include <tools/gen.hxx> +#include <tools/list.hxx> +#include <tools/string.hxx> + +#include <vector> +#include <set> + +//------------------------------------------------------------------ + +#ifdef _SV_MULTISEL_CXX +DECLARE_LIST( ImpSelList, Range* ) +#else +#define ImpSelList List +#endif + +#define SFX_ENDOFSELECTION CONTAINER_ENTRY_NOTFOUND + +//------------------------------------------------------------------ + +// ------------------ +// - MultiSelection - +// ------------------ + +class TOOLS_DLLPUBLIC MultiSelection +{ +private: + ImpSelList aSels; // array of SV-selections + Range aTotRange; // total range of indexes + ULONG nCurSubSel; // index in aSels of current selected index + long nCurIndex; // current selected entry + ULONG nSelCount; // number of selected indexes + BOOL bInverseCur;// inverse cursor + BOOL bCurValid; // are nCurIndex and nCurSubSel valid + BOOL bSelectNew; // auto-select newly inserted indexes + +#ifdef _SV_MULTISEL_CXX + TOOLS_DLLPRIVATE void ImplClear(); + TOOLS_DLLPRIVATE ULONG ImplFindSubSelection( long nIndex ) const; + TOOLS_DLLPRIVATE BOOL ImplMergeSubSelections( ULONG nPos1, ULONG nPos2 ); + TOOLS_DLLPRIVATE long ImplFwdUnselected(); + TOOLS_DLLPRIVATE long ImplBwdUnselected(); +#endif + +public: + MultiSelection(); + MultiSelection( const MultiSelection& rOrig ); + MultiSelection( const Range& rRange ); + MultiSelection( const UniString& rString, + sal_Unicode cRange = '-', + sal_Unicode cSep = ';' ); + ~MultiSelection(); + + MultiSelection& operator= ( const MultiSelection& rOrig ); + BOOL operator== ( MultiSelection& rOrig ); + BOOL operator!= ( MultiSelection& rOrig ) + { return !operator==( rOrig ); } + BOOL operator !() const + { return nSelCount == 0; } + + void SelectAll( BOOL bSelect = TRUE ); + BOOL Select( long nIndex, BOOL bSelect = TRUE ); + void Select( const Range& rIndexRange, BOOL bSelect = TRUE ); + BOOL IsSelected( long nIndex ) const; + BOOL IsAllSelected() const + { return nSelCount == ULONG(aTotRange.Len()); } + long GetSelectCount() const { return nSelCount; } + + void SetTotalRange( const Range& rTotRange ); + void Insert( long nIndex, long nCount = 1 ); + void Remove( long nIndex ); + void Append( long nCount = 1 ); + + const Range& GetTotalRange() const { return aTotRange; } + BOOL IsCurValid() const { return bCurValid; } + long GetCurSelected() const { return nCurIndex; } + long FirstSelected( BOOL bInverse = FALSE ); + long LastSelected(); + long NextSelected(); + long PrevSelected(); + + ULONG GetRangeCount() const { return aSels.Count(); } + const Range& GetRange( ULONG nRange ) const { return *(const Range*)aSels.GetObject(nRange); } +}; + +class TOOLS_DLLPUBLIC StringRangeEnumerator +{ + struct Range + { + sal_Int32 nFirst; + sal_Int32 nLast; + + Range() : nFirst( -1 ), nLast( -1 ) {} + Range( sal_Int32 i_nFirst, sal_Int32 i_nLast ) : nFirst( i_nFirst ), nLast( i_nLast ) {} + }; + std::vector< StringRangeEnumerator::Range > maSequence; + sal_Int32 mnCount; + sal_Int32 mnMin; + sal_Int32 mnMax; + sal_Int32 mnOffset; + + bool insertRange( sal_Int32 nFirst, sal_Int32 nLast, bool bSequence, bool bMayAdjust ); + bool checkValue( sal_Int32, const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; +public: + class TOOLS_DLLPUBLIC Iterator + { + const StringRangeEnumerator* pEnumerator; + const std::set< sal_Int32 >* pPossibleValues; + sal_Int32 nRangeIndex; + sal_Int32 nCurrent; + + friend class StringRangeEnumerator; + Iterator( const StringRangeEnumerator* i_pEnum, + const std::set< sal_Int32 >* i_pPossibleValues, + sal_Int32 i_nRange, + sal_Int32 i_nCurrent ) + : pEnumerator( i_pEnum ), pPossibleValues( i_pPossibleValues ) + , nRangeIndex( i_nRange ), nCurrent( i_nCurrent ) {} + public: + Iterator() : pEnumerator( NULL ), pPossibleValues( NULL ), nRangeIndex( -1 ), nCurrent( -1 ) {} + Iterator& operator++(); + sal_Int32 operator*() const; + bool operator==(const Iterator&) const; + bool operator!=(const Iterator& i_rComp) const + { return ! (*this == i_rComp); } + }; + + friend class StringRangeEnumerator::Iterator; + + StringRangeEnumerator() : mnCount( 0 ), mnMin( -1 ), mnMax( -1 ), mnOffset( -1 ) {} + StringRangeEnumerator( const rtl::OUString& i_rInput, + sal_Int32 i_nMinNumber = -1, + sal_Int32 i_nMaxNumber = -1, + sal_Int32 i_nLogicalOffset = -1 + ); + + size_t size() const { return size_t(mnCount); } + Iterator begin( const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; + Iterator end( const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; + + sal_Int32 getMin() const { return mnMin; } + void setMin( sal_Int32 i_nMinValue ) { mnMin = i_nMinValue; } + sal_Int32 getMax() const { return mnMax; } + void setMax( sal_Int32 i_nMaxValue ) { mnMax = i_nMaxValue; } + sal_Int32 getLogicalOffset() const { return mnOffset; } + void setLogicalOffset( sal_Int32 i_nOffset ) { mnOffset = i_nOffset; } + + bool setRange( const rtl::OUString& i_rNewRange, bool i_bStrict = false ); + bool hasValue( sal_Int32 nValue, const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; + + + /** + i_rPageRange: the string to be changed into a sequence of numbers + valid format example "5-3,9,9,7-8" ; instead of ',' ';' or ' ' are allowed as well + o_rPageVector: the output sequence of numbers + i_nLogicalOffset: an offset to be applied to each number in the string before inserting it in the resulting sequence + example: a user enters page numbers from 1 to n (since that is logical) + of course usable page numbers in code would start from 0 and end at n-1 + so the logical offset would be -1 + i_nMinNumber: the minimum allowed number, a negative number means no minimum check + i_nMaxNumber: the maximum allowed number, a negative number means no maximum check + + @returns: true if the input string was valid, o_rPageVector will contain the resulting sequence + false if the input string was invalid, o_rPageVector will be unchanged + + behavior: + - only non-negative sequence numbers are allowed + - only non-negative values in the input string are allowed + - the string "-3" will be either + * an error if no minimum is given + * or result in the sequence i_nMinNumber to 3 + - the string "3-" will be either + * an error if no maximum is given + * or result in the seqeuence 3 to i_nMaxNumber + - an empty string as input is valid and will result in the range [min,max] if given + or an empty vector, if not + */ + static bool getRangesFromString( const rtl::OUString& i_rPageRange, + std::vector< sal_Int32 >& o_rPageVector, + sal_Int32 i_nMinNumber = -1, + sal_Int32 i_nMaxNumber = -1, + sal_Int32 i_nLogicalOffset = -1, + std::set< sal_Int32 >* i_pPossibleValues = NULL + ); +}; + +#endif // _SV_MULTISEL_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |