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