sw/source/core/inc/UndoDelete.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.
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   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SW_SOURCE_CORE_INC_UNDODELETE_HXX
  21 #define INCLUDED_SW_SOURCE_CORE_INC_UNDODELETE_HXX
  22
  23 #include <undobj.hxx>
  24 #include <ndindex.hxx>
  25 #include <rtl/ustring.hxx>
  26 #include <memory>
  27 #include <optional>
  28
  29 class SwRedlineSaveDatas;
  30 class SwTextNode;
  31 typedef struct _xmlTextWriter* xmlTextWriterPtr;
  32 enum class SwDeleteFlags;
  33
  34 namespace sfx2 {
  35     class MetadatableUndo;
  36 }
  37
  38 class SwUndoDelete final
  39     : public SwUndo
  40     , private SwUndRng
  41     , private SwUndoSaveContent
  42 {
  43     std::optional<SwNodeIndex> m_oMvStt;            // Position of Nodes in UndoNodes-Array
  44     std::optional<OUString> m_aSttStr, m_aEndStr;
  45     std::unique_ptr<SwRedlineSaveDatas> m_pRedlSaveData;
  46     std::shared_ptr< ::sfx2::MetadatableUndo > m_pMetadataUndoStart;
  47     std::shared_ptr< ::sfx2::MetadatableUndo > m_pMetadataUndoEnd;
  48
  49     OUString m_sTableName;
  50
  51     SwNodeOffset m_nNode;
  52     SwNodeOffset m_nNdDiff;           // difference of Nodes before/after Delete
  53     SwNodeOffset m_nSectDiff;         // diff. of Nodes before/after Move w/ SectionNodes
  54     SwNodeOffset m_nReplaceDummy;     // diff. to a temporary dummy object
  55     sal_uInt16 m_nSetPos;
  56
  57     bool m_bGroup : 1;         // TRUE: is already Grouped; see CanGrouping()
  58     bool m_bBackSp : 1;        // TRUE: if Grouped and preceding content deleted
  59     bool m_bJoinNext: 1;       // TRUE: if range is selected forwards
  60     bool m_bTableDelLastNd : 1;  // TRUE: TextNode following Table inserted/deleted
  61     bool m_bDelFullPara : 1;   // TRUE: entire Nodes were deleted
  62     bool m_bResetPgDesc : 1;   // TRUE: reset PgDsc on following node
  63     bool m_bResetPgBrk : 1;    // TRUE: reset PgBreak on following node
  64     bool m_bFromTableCopy : 1; // TRUE: called by SwUndoTableCpyTable
  65     SwDeleteFlags m_DeleteFlags;
  66
  67     bool SaveContent( const SwPosition* pStt, const SwPosition* pEnd,
  68                     SwTextNode* pSttTextNd, SwTextNode* pEndTextNd );
  69
  70 public:
  71     SwUndoDelete(
  72         SwPaM&,
  73         SwDeleteFlags flags,
  74         bool bFullPara = false,
  75         bool bCalledByTableCpy = false );
  76     virtual ~SwUndoDelete() override;
  77
  78     virtual void UndoImpl( ::sw::UndoRedoContext & ) override;
  79     virtual void RedoImpl( ::sw::UndoRedoContext & ) override;
  80     virtual void RepeatImpl( ::sw::RepeatContext & ) override;
  81     /**
  82        Returns rewriter for this undo object.
  83
  84        The rewriter consists of the following rule:
  85
  86            $1 -> '<deleted text>'
  87
  88        <deleted text> is shortened to nUndoStringLength characters.
  89
  90        @return rewriter for this undo object
  91     */
  92     virtual SwRewriter GetRewriter() const override;
  93
  94     bool CanGrouping( SwDoc&, const SwPaM& );
  95
  96     void SetTableDelLastNd()      { m_bTableDelLastNd = true; }
  97
  98     // for PageDesc/PageBreak Attributes of a table
  99     void SetPgBrkFlags( bool bPageBreak, bool bPageDesc )
 100         { m_bResetPgDesc = bPageDesc; m_bResetPgBrk = bPageBreak; }
 101
 102     void SetTableName(const OUString & rName);
 103
 104     // SwUndoTableCpyTable needs this information:
 105     bool IsDelFullPara() const { return m_bDelFullPara; }
 106
 107     void dumpAsXml(xmlTextWriterPtr pWriter) const override;
 108 };
 109
 110 #endif // INCLUDED_SW_SOURCE_CORE_INC_UNDODELETE_HXX
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */