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 #pragma once
  11
  12 #include "address.hxx"
  13 #include "columnspanset.hxx"
  14 #include "mtvelements.hxx"
  15
  16 #include <memory>
  17
  18 class ScDocument;
  19 class ScTokenArray;
  20
  21 namespace sc
  22 {
  23 class ColumnSet;
  24
  25 class StartListeningContext
  26 {
  27     ScDocument& mrDoc;
  28     std::shared_ptr<ColumnBlockPositionSet> mpSet;
  29     std::shared_ptr<const ColumnSet> mpColSet;
  30
  31 public:
  32     StartListeningContext(const StartListeningContext&) = delete;
  33     const StartListeningContext& operator=(const StartListeningContext&) = delete;
  34     StartListeningContext(ScDocument& rDoc);
  35     StartListeningContext(ScDocument& rDoc, 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* 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, std::shared_ptr<ColumnBlockPositionSet> pSet,
  56                         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 final : 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 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */