editeng/source/outliner/paralist.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  * 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 #pragma once
  21
  22 #include <sal/config.h>
  23 #include <sal/log.hxx>
  24
  25 #include <memory>
  26 #include <vector>
  27
  28 #include <editeng/outliner.hxx>
  29 #include <o3tl/safeint.hxx>
  30 #include <tools/link.hxx>
  31
  32 class Paragraph;
  33 typedef struct _xmlTextWriter* xmlTextWriterPtr;
  34
  35 class ParagraphList
  36 {
  37 public:
  38     void            Clear();
  39
  40     sal_Int32       GetParagraphCount() const
  41     {
  42         size_t nSize = maEntries.size();
  43         if (nSize > SAL_MAX_INT32)
  44         {
  45             SAL_WARN( "editeng", "ParagraphList::GetParagraphCount - overflow " << nSize);
  46             return SAL_MAX_INT32;
  47         }
  48         return nSize;
  49     }
  50
  51     Paragraph*      GetParagraph( sal_Int32 nPos ) const
  52     {
  53         return 0 <= nPos && o3tl::make_unsigned(nPos) < maEntries.size() ? maEntries[nPos].get() : nullptr;
  54     }
  55
  56     sal_Int32       GetAbsPos( Paragraph const * pParent ) const;
  57
  58     void            Append( std::unique_ptr<Paragraph> pPara);
  59     void            Insert( std::unique_ptr<Paragraph> pPara, sal_Int32 nAbsPos);
  60     void            Remove( sal_Int32 nPara );
  61     void            MoveParagraphs( sal_Int32 nStart, sal_Int32 nDest, sal_Int32 nCount );
  62
  63     Paragraph*      GetParent( Paragraph const * pParagraph ) const;
  64     bool            HasChildren( Paragraph const * pParagraph ) const;
  65     bool            HasHiddenChildren( Paragraph const * pParagraph ) const;
  66     bool            HasVisibleChildren( Paragraph const * pParagraph ) const;
  67     sal_Int32       GetChildCount( Paragraph const * pParagraph ) const;
  68
  69     void            Expand( Paragraph const * pParent );
  70     void            Collapse( Paragraph const * pParent );
  71
  72     void            SetVisibleStateChangedHdl( const Link<Paragraph&,void>& rLink ) { aVisibleStateChangedHdl = rLink; }
  73
  74     void            dumpAsXml(xmlTextWriterPtr pWriter) const;
  75
  76 private:
  77
  78     Link<Paragraph&,void> aVisibleStateChangedHdl;
  79     std::vector<std::unique_ptr<Paragraph>> maEntries;
  80 };
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */