/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef _FMSRCIMP_HXX #define _FMSRCIMP_HXX #include #include "svx/svxdllapi.h" #include #include #include #include #include #include #include #include #include #include #include #include // =================================================================================================== // = class FmSearchThread // =================================================================================================== class FmSearchEngine; class FmSearchThread : public ::osl::Thread { FmSearchEngine* m_pEngine; Link m_aTerminationHdl; virtual void SAL_CALL run(); virtual void SAL_CALL onTerminated(); public: FmSearchThread(FmSearchEngine* pEngine) : m_pEngine(pEngine) { } void setTerminationHandler(Link aHdl) { m_aTerminationHdl = aHdl; } }; // =================================================================================================== // = struct FmSearchProgress - the owner of SearchEngine receives this structure for status updates // = (at the end of the search) // =================================================================================================== struct FmSearchProgress { enum STATE { STATE_PROGRESS, STATE_PROGRESS_COUNTING, STATE_CANCELED, STATE_SUCCESSFULL, STATE_NOTHINGFOUND, STATE_ERROR }; // (move to new record; progress during counting of records; cancelled; record found; nothing found; // any non-processable error) STATE aSearchState; // current record - always valid (e.g. of interest for continuing search in case of cancellation) sal_uInt32 nCurrentRecord; // Overflow - only valid in case of STATE_PROGRESS sal_Bool bOverflow; // the position of the search cursor - valid in case of STATE_SUCCESSFULL, STATE_CANCELED and STATE_NOTHING_FOUND ::com::sun::star::uno::Any aBookmark; // the field, in which the text was found - valid in case of STATE_SUCCESSFULL sal_Int32 nFieldIndex; }; // =================================================================================================== // = class FmRecordCountListener - utility class for FmSearchEngine, listens at a certain cursor and provides // = the differences in RecordCount // =================================================================================================== class FmRecordCountListener : public ::cppu::WeakImplHelper1< ::com::sun::star::beans::XPropertyChangeListener> { // attribute Link m_lnkWhoWantsToKnow; ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xListening; // attribute access public: Link SetPropChangeHandler(const Link& lnk); // methods public: FmRecordCountListener(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& dbcCursor); // the set has to support the sdb::ResultSet service virtual ~FmRecordCountListener(); // DECLARE_UNO3_AGG_DEFAULTS(FmPropertyListener, UsrObject); // virtual sal_Bool queryInterface(::com::sun::star::uno::Uik aUik, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rOut); // ::com::sun::star::lang::XEventListener virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw(::com::sun::star::uno::RuntimeException); // ::com::sun::star::beans::XPropertyChangeListener virtual void SAL_CALL propertyChange(const ::com::sun::star::beans::PropertyChangeEvent& evt) throw(::com::sun::star::uno::RuntimeException); void DisConnect(); private: void NotifyCurrentCount(); }; // =================================================================================================== // = class FmSearchEngine - Impl class for FmSearchDialog // =================================================================================================== namespace svxform { // We have three possible control types we may search in, determined by the supported interfaces : ::com::sun::star::awt::XTextComponent, ::com::sun::star::awt::XListBox, ::com::sun::star::awt::XCheckBox. // While searching we don't want to do this distinction for every control in every round. So we need some helpers. class ControlTextWrapper { // attributes ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xControl; // attribute access public: ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > getControl() const{ return m_xControl; } public: ControlTextWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xControl) { m_xControl = _xControl; } virtual ~ControlTextWrapper() { } virtual ::rtl::OUString getCurrentText() const = 0; }; class SimpleTextWrapper : public ControlTextWrapper { ::com::sun::star::uno::Reference< ::com::sun::star::awt::XTextComponent > m_xText; public: SimpleTextWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XTextComponent >& _xText); virtual ::rtl::OUString getCurrentText() const; }; class ListBoxWrapper : public ControlTextWrapper { ::com::sun::star::uno::Reference< ::com::sun::star::awt::XListBox > m_xBox; public: ListBoxWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XListBox >& _xBox); virtual ::rtl::OUString getCurrentText() const; }; class CheckBoxWrapper : public ControlTextWrapper { ::com::sun::star::uno::Reference< ::com::sun::star::awt::XCheckBox > m_xBox; public: CheckBoxWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XCheckBox >& _xBox); virtual ::rtl::OUString getCurrentText() const; }; } enum FMSEARCH_MODE { SM_BRUTE, SM_ALLOWSCHEDULE, SM_USETHREAD }; DECLARE_STL_VECTOR( ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>, InterfaceArray); class SVX_DLLPUBLIC FmSearchEngine { friend class FmSearchThread; enum SEARCH_RESULT { SR_FOUND, SR_NOTFOUND, SR_ERROR, SR_CANCELED }; enum SEARCHFOR_TYPE { SEARCHFOR_STRING, SEARCHFOR_NULL, SEARCHFOR_NOTNULL }; CursorWrapper m_xSearchCursor; std::deque m_arrFieldMapping; // since the iterator could have more columns, as managed here (in this field listbox), // a mapping of this ::com::sun::star::form keys on the indices of the respective columns is kept in the iterator // the formatter ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatsSupplier > m_xFormatSupplier; ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter > m_xFormatter; CharClass m_aCharacterClassficator; CollatorWrapper m_aStringCompare; // the collection of all interesting fields (or their ::com::sun::star::data::XDatabaseVariant interfaces and FormatKeys) struct FieldInfo { ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XColumn > xContents; sal_uInt32 nFormatKey; sal_Bool bDoubleHandling; }; DECLARE_STL_VECTOR(FieldInfo, FieldCollection); FieldCollection m_arrUsedFields; sal_Int32 m_nCurrentFieldIndex; // the last parameter of RebuildUsedFields, it allows checks in FormatField DECLARE_STL_VECTOR(svxform::ControlTextWrapper*, ControlTextSuppliers); ControlTextSuppliers m_aControlTexts; sal_Bool m_bUsingTextComponents; CursorWrapper m_xOriginalIterator; CursorWrapper m_xClonedIterator; // data for the decision in which field a "Found" is accepted ::com::sun::star::uno::Any m_aPreviousLocBookmark; // position of the last finding FieldCollectionIterator m_iterPreviousLocField; // field of the last finding // Kommunikation mit dem Thread, der die eigentliche Suche durchfuehrt ::rtl::OUString m_strSearchExpression; // forward direction SEARCHFOR_TYPE m_eSearchForType; // ditto SEARCH_RESULT m_srResult; // backward direction // der Link, dem ich Fortschritte und Ergebnisse mitteile Link m_aProgressHandler; sal_Bool m_bSearchingCurrently : 1; // is an (asynchronous) search running? sal_Bool m_bCancelAsynchRequest : 1; // should be cancelled ? ::osl::Mutex m_aCancelAsynchAccess; // access to_bCancelAsynchRequest (technically only // relevant for m_eMode == SM_USETHREAD) FMSEARCH_MODE m_eMode; // current mode // parameters for the search sal_Bool m_bFormatter : 1; // use field formatting sal_Bool m_bForward : 1; // direction sal_Bool m_bWildcard : 1; // wildcard search sal_Bool m_bRegular : 1; // regular expression sal_Bool m_bLevenshtein : 1; // Levenshtein search sal_Bool m_bTransliteration : 1; // Levenshtein search sal_Bool m_bLevRelaxed : 1; // parameters for Levenshtein search sal_uInt16 m_nLevOther; sal_uInt16 m_nLevShorter; sal_uInt16 m_nLevLonger; sal_uInt16 m_nPosition; // if not regular or levenshtein, then one of the MATCHING_... values sal_Int32 m_nTransliterationFlags; // ------------- // member access private: SVX_DLLPRIVATE sal_Bool CancelRequested(); // provides a through m_aCancelAsynchAccess backed interpretation of m_bCancelAsynchRequest public: void SetCaseSensitive(sal_Bool bSet); sal_Bool GetCaseSensitive() const; void SetFormatterUsing(sal_Bool bSet); // this is somewhat more extensive, so no inline ... here sal_Bool GetFormatterUsing() const { return m_bFormatter; } void SetDirection(sal_Bool bForward) { m_bForward = bForward; } sal_Bool GetDirection() const { return m_bForward; } void SetWildcard(sal_Bool bSet) { m_bWildcard = bSet; } sal_Bool GetWildcard() const { return m_bWildcard; } void SetRegular(sal_Bool bSet) { m_bRegular = bSet; } sal_Bool GetRegular() const { return m_bRegular; } void SetLevenshtein(sal_Bool bSet) { m_bLevenshtein = bSet; } sal_Bool GetLevenshtein() const { return m_bLevenshtein; } void SetIgnoreWidthCJK(sal_Bool bSet); sal_Bool GetIgnoreWidthCJK() const; void SetTransliteration(sal_Bool bSet) { m_bTransliteration = bSet; } sal_Bool GetTransliteration() const { return m_bTransliteration; } void SetLevRelaxed(sal_Bool bSet) { m_bLevRelaxed = bSet; } sal_Bool GetLevRelaxed() const { return m_bLevRelaxed; } void SetLevOther(sal_uInt16 nHowMuch) { m_nLevOther = nHowMuch; } sal_uInt16 GetLevOther() const { return m_nLevOther; } void SetLevShorter(sal_uInt16 nHowMuch) { m_nLevShorter = nHowMuch; } sal_uInt16 GetLevShorter() const { return m_nLevShorter; } void SetLevLonger(sal_uInt16 nHowMuch) { m_nLevLonger = nHowMuch; } sal_uInt16 GetLevLonger() const { return m_nLevLonger; } // all Lev. values will only be considered in case of m_bLevenshtein==sal_True void SetTransliterationFlags(sal_Int32 _nFlags) { m_nTransliterationFlags = _nFlags; } sal_Int32 GetTransliterationFlags() const { return m_nTransliterationFlags; } void SetPosition(sal_uInt16 nValue) { m_nPosition = nValue; } sal_uInt16 GetPosition() const { return m_nPosition; } // position will be ignored in case of m_bWildCard==sal_True FMSEARCH_MODE GetSearchMode() const { return m_eMode; } public: /** two constructs, both analogical to FmSearchDialog, therefore look this up for explanations .... xCursor has to implement ::com::sun::star::data::DatabaseCursor service each time. If eMode == SM_USETHREAD, a ProgressHandler should be set, because in this case the result forwarding will be done by this handler. If eMode != SM_USETHREAD, SearchNext and StarOver won't return, until the search has finished (independently of its success), only then the result can be requested. If additionally the ProgressHandler is set, it will be called for every record as well as at the end of the search. */ FmSearchEngine( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext, const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& xCursor, const ::rtl::OUString& strVisibleFields, const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatsSupplier >& xFormat, FMSEARCH_MODE eMode); FmSearchEngine( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext, const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& xCursor, const ::rtl::OUString& strVisibleFields, const InterfaceArray& arrFields, FMSEARCH_MODE eMode); virtual ~FmSearchEngine(); /** the link will be called on every record and after the completion of the search, the parameter is a pointer to a FmSearchProgress structure the handler should be in any case thread-safe */ void SetProgressHandler(Link aHdl) { m_aProgressHandler = aHdl; } /// search for the next appearance (for nDirection values check DIRECTION_*-defines) void SearchNext(const ::rtl::OUString& strExpression); /// analogous, search for "NULL" (_bSearchForNull==sal_True) or "not NULL" void SearchNextSpecial(sal_Bool _bSearchForNull); /// search for the next appearance, dependent on nDirection from the start or end void StartOver(const ::rtl::OUString& strExpression); /// analogous, search for "NULL" (_bSearchForNull==sal_True) or "not NULL" void StartOverSpecial(sal_Bool _bSearchForNull); /// invalidate previous search reference void InvalidatePreviousLoc(); /** rebuilds m_arrUsedFields (nFieldIndex==-1 means all fields, otherwise it specifies the field index) if bForce is not set, nothing will happen in case of nFieldIndex == m_nCurrentFieldIndex (calls InvalidatePreviousLoc) */ void RebuildUsedFields(sal_Int32 nFieldIndex, sal_Bool bForce = sal_False); ::rtl::OUString FormatField(sal_Int32 nWhich); /// returns directly; once it was really aborted, ProgressHandler is called with STATE_CANCELED void CancelSearch(); /** only valid, if not an (asynchronous) search is running, the next search will then be executed on top of the new iterator with the new parameter */ sal_Bool SwitchToContext(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& xCursor, const ::rtl::OUString& strVisibleFields, const InterfaceArray& arrFields, sal_Int32 nFieldIndex); protected: void Init(const ::rtl::OUString& strVisibleFields); void SearchNextImpl(); // this Impl method is running in SearchThread // start a thread-search (or call SearchNextImpl directly, depending on the search mode) void ImplStartNextSearch(); private: SVX_DLLPRIVATE void clearControlTexts(); SVX_DLLPRIVATE void fillControlTexts(const InterfaceArray& arrFields); // three methods implementing a complete search loop (null/not null, wildcard, SearchText) // (they all have some code in common, but with this solution we have do do a distinction only once per search (before // starting the loop), not in every loop step SVX_DLLPRIVATE SEARCH_RESULT SearchSpecial(sal_Bool _bSearchForNull, sal_Int32& nFieldPos, FieldCollectionIterator& iterFieldLoop, const FieldCollectionIterator& iterBegin, const FieldCollectionIterator& iterEnd); SVX_DLLPRIVATE SEARCH_RESULT SearchWildcard(const ::rtl::OUString& strExpression, sal_Int32& nFieldPos, FieldCollectionIterator& iterFieldLoop, const FieldCollectionIterator& iterBegin, const FieldCollectionIterator& iterEnd); SVX_DLLPRIVATE SEARCH_RESULT SearchRegularApprox(const ::rtl::OUString& strExpression, sal_Int32& nFieldPos, FieldCollectionIterator& iterFieldLoop, const FieldCollectionIterator& iterBegin, const FieldCollectionIterator& iterEnd); SVX_DLLPRIVATE void PropagateProgress(sal_Bool _bDontPropagateOverflow); // call the ProgressHandler with STATE_PROGRESS and the current position of the search iterator // helpers, that are needed several times SVX_DLLPRIVATE sal_Bool MoveCursor(); // moves m_xSearchIterator with respect to direction/overflow cursor SVX_DLLPRIVATE sal_Bool MoveField(sal_Int32& nPos, FieldCollectionIterator& iter, const FieldCollectionIterator& iterBegin, const FieldCollectionIterator& iterEnd); // moves the iterator with respect to the direction/overflow iterator/overflow cursor SVX_DLLPRIVATE void BuildAndInsertFieldInfo(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& xAllFields, sal_Int32 nField); // builds a FieldInfo in relation to field number nField (in xAllFields) and adds it to m_arrUsedFields // xAllFields needs to support the DatabaseRecord service SVX_DLLPRIVATE ::rtl::OUString FormatField(const FieldInfo& rField); // formats the field with the NumberFormatter SVX_DLLPRIVATE sal_Bool HasPreviousLoc() { return m_aPreviousLocBookmark.hasValue(); } DECL_LINK(OnSearchTerminated, FmSearchThread*); // is used by SearchThread, after the return from this handler the thread removes itself DECL_LINK(OnNewRecordCount, void*); }; #endif // _FMSRCIMP_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */