sc/inc/listenercontext.hxx

   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
  10 #ifndef INCLUDED_SC_INC_LISTENERCONTEXT_HXX
  11 #define INCLUDED_SC_INC_LISTENERCONTEXT_HXX
  12
  13 #include "address.hxx"
  14 #include "columnspanset.hxx"
  15
  16 #include <memory>
  17
  18 class ScDocument;
  19 class ScTokenArray;
  20
  21 namespace sc {
  22
  23 struct ColumnBlockPosition;
  24 class ColumnBlockPositionSet;
  25 class ColumnSet;
  26
  27 class StartListeningContext
  28 {
  29     ScDocument& mrDoc;
  30     std::shared_ptr<ColumnBlockPositionSet> mpSet;
  31     std::shared_ptr<const ColumnSet> mpColSet;
  32 public:
  33     StartListeningContext(const StartListeningContext&) = delete;
  34     const StartListeningContext& operator=(const StartListeningContext&) = delete;
  35     StartListeningContext(ScDocument& rDoc);
  36     StartListeningContext(ScDocument& rDoc, const std::shared_ptr<ColumnBlockPositionSet>& pSet);
  37     void setColumnSet( const std::shared_ptr<const ColumnSet>& pColSet );
  38     const std::shared_ptr<const ColumnSet>& getColumnSet() const;
  39     ScDocument& getDoc() { return mrDoc;}
  40
  41     ColumnBlockPosition* getBlockPosition(SCTAB nTab, SCCOL nCol);
  42 };
  43
  44 class EndListeningContext
  45 {
  46     ScDocument& mrDoc;
  47     ColumnSpanSet maSet;
  48     std::shared_ptr<ColumnBlockPositionSet> mpPosSet;
  49     ScTokenArray* mpOldCode;
  50     ScAddress maPosDelta; // Add this to get the old position prior to the move.
  51
  52 public:
  53     EndListeningContext(const EndListeningContext&) = delete;
  54     const EndListeningContext& operator=(const EndListeningContext&) = delete;
  55     EndListeningContext(ScDocument& rDoc, ScTokenArray* pOldCode = nullptr);
  56     EndListeningContext(ScDocument& rDoc, const std::shared_ptr<ColumnBlockPositionSet>& pSet, ScTokenArray* pOldCode = nullptr);
  57
  58     void setPositionDelta( const ScAddress& rDelta );
  59
  60     ScDocument& getDoc() { return mrDoc;}
  61     ScTokenArray* getOldCode() { return mpOldCode;}
  62     ScAddress getOldPosition( const ScAddress& rPos ) const;
  63
  64     ColumnBlockPosition* getBlockPosition(SCTAB nTab, SCCOL nCol);
  65
  66     void addEmptyBroadcasterPosition(SCTAB nTab, SCCOL nCol, SCROW nRow);
  67     void purgeEmptyBroadcasters();
  68 };
  69
  70 class PurgeListenerAction : public ColumnSpanSet::Action
  71 {
  72     ScDocument& mrDoc;
  73     std::unique_ptr<ColumnBlockPosition> mpBlockPos;
  74
  75 public:
  76     PurgeListenerAction(const PurgeListenerAction&) = delete;
  77     const PurgeListenerAction& operator=(const PurgeListenerAction&) = delete;
  78     PurgeListenerAction( ScDocument& rDoc );
  79
  80     virtual void startColumn( SCTAB nTab, SCCOL nCol ) override;
  81     virtual void execute( const ScAddress& rPos, SCROW nLength, bool bVal ) override;
  82 };
  83
  84 }
  85
  86 #endif
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */