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
  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,
  57                         ScTokenArray* pOldCode = nullptr);
  58
  59     void setPositionDelta(const ScAddress& rDelta);
  60
  61     ScDocument& getDoc() { return mrDoc; }
  62     ScTokenArray* getOldCode() { return mpOldCode; }
  63     ScAddress getOldPosition(const ScAddress& rPos) const;
  64
  65     ColumnBlockPosition* getBlockPosition(SCTAB nTab, SCCOL nCol);
  66
  67     void addEmptyBroadcasterPosition(SCTAB nTab, SCCOL nCol, SCROW nRow);
  68     void purgeEmptyBroadcasters();
  69 };
  70
  71 class PurgeListenerAction final : public ColumnSpanSet::Action
  72 {
  73     ScDocument& mrDoc;
  74     std::unique_ptr<ColumnBlockPosition> mpBlockPos;
  75
  76 public:
  77     PurgeListenerAction(const PurgeListenerAction&) = delete;
  78     const PurgeListenerAction& operator=(const PurgeListenerAction&) = delete;
  79     PurgeListenerAction(ScDocument& rDoc);
  80
  81     virtual void startColumn(SCTAB nTab, SCCOL nCol) override;
  82     virtual void execute(const ScAddress& rPos, SCROW nLength, bool bVal) override;
  83 };
  84 }
  85
  86 #endif
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */