xmloff/source/text/txtsecte.cxx

   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
  21 #include <xmloff/txtparae.hxx>
  22
  23 #include <vector>
  24
  25 #include <com/sun/star/beans/XPropertySet.hpp>
  26 #include <com/sun/star/text/XTextSection.hpp>
  27 #include "XMLTextNumRuleInfo.hxx"
  28 #include "XMLSectionExport.hxx"
  29 #include "XMLRedlineExport.hxx"
  30 #include <MultiPropertySetHelper.hxx>
  31
  32 using namespace ::com::sun::star;
  33 using namespace ::com::sun::star::text;
  34 using namespace ::com::sun::star::uno;
  35
  36 using ::com::sun::star::beans::XPropertySet;
  37
  38 void XMLTextParagraphExport::exportListAndSectionChange(
  39     Reference<XTextSection> & rPrevSection,
  40     const Reference<XTextContent> & rNextSectionContent,
  41     const XMLTextNumRuleInfo& rPrevRule,
  42     const XMLTextNumRuleInfo& rNextRule,
  43     bool bAutoStyles)
  44 {
  45     Reference<XTextSection> xNextSection;
  46
  47     // first: get current XTextSection
  48     Reference<XPropertySet> xPropSet(rNextSectionContent, UNO_QUERY);
  49     if (xPropSet.is())
  50     {
  51         if (xPropSet->getPropertySetInfo()->hasPropertyByName(gsTextSection))
  52         {
  53             xPropSet->getPropertyValue(gsTextSection) >>= xNextSection;
  54         }
  55         // else: no current section
  56     }
  57
  58     exportListAndSectionChange(rPrevSection, xNextSection,
  59                                rPrevRule, rNextRule, bAutoStyles);
  60 }
  61
  62 void XMLTextParagraphExport::exportListAndSectionChange(
  63     Reference<XTextSection> & rPrevSection,
  64     MultiPropertySetHelper& rPropSetHelper,
  65     sal_Int16 nTextSectionId,
  66     const Reference<XTextContent> & rNextSectionContent,
  67     const XMLTextNumRuleInfo& rPrevRule,
  68     const XMLTextNumRuleInfo& rNextRule,
  69     bool bAutoStyles)
  70 {
  71     Reference<XTextSection> xNextSection;
  72
  73     // first: get current XTextSection
  74     Reference<XPropertySet> xPropSet(rNextSectionContent, UNO_QUERY);
  75     if (xPropSet.is())
  76     {
  77         if( !rPropSetHelper.checkedProperties() )
  78             rPropSetHelper.hasProperties( xPropSet->getPropertySetInfo() );
  79         if( rPropSetHelper.hasProperty( nTextSectionId ))
  80         {
  81             xNextSection.set(rPropSetHelper.getValue( nTextSectionId , xPropSet,
  82                 true ), uno::UNO_QUERY);
  83         }
  84         // else: no current section
  85     }
  86
  87     exportListAndSectionChange(rPrevSection, xNextSection,
  88                                rPrevRule, rNextRule, bAutoStyles);
  89 }
  90
  91 void XMLTextParagraphExport::exportListAndSectionChange(
  92     Reference<XTextSection> & rPrevSection,
  93     const Reference<XTextSection> & rNextSection,
  94     const XMLTextNumRuleInfo& rPrevRule,
  95     const XMLTextNumRuleInfo& rNextRule,
  96     bool bAutoStyles)
  97 {
  98     // old != new? -> maybe we have to start or end a new section
  99     if (rPrevSection != rNextSection)
 100     {
 101         // a new section started, or an old one gets closed!
 102
 103         // close old list
 104         XMLTextNumRuleInfo aEmptyNumRuleInfo;
 105         if ( !bAutoStyles )
 106             exportListChange(rPrevRule, aEmptyNumRuleInfo);
 107
 108         // Build stacks of old and new sections
 109         // Sections on top of mute sections should not be on the stack
 110         std::vector< Reference<XTextSection> > aOldStack;
 111         Reference<XTextSection> aCurrent(rPrevSection);
 112         while(aCurrent.is())
 113         {
 114             // if we have a mute section, ignore all its children
 115             // (all previous ones)
 116             if (m_pSectionExport->IsMuteSection(aCurrent))
 117                 aOldStack.clear();
 118
 119             aOldStack.push_back(aCurrent);
 120             aCurrent.set(aCurrent->getParentSection());
 121         }
 122
 123         std::vector< Reference<XTextSection> > aNewStack;
 124         aCurrent.set(rNextSection);
 125         bool bMute = false;
 126         while(aCurrent.is())
 127         {
 128             // if we have a mute section, ignore all its children
 129             // (all previous ones)
 130             if (m_pSectionExport->IsMuteSection(aCurrent))
 131             {
 132                 aNewStack.clear();
 133                 bMute = true;
 134             }
 135
 136             aNewStack.push_back(aCurrent);
 137             aCurrent.set(aCurrent->getParentSection());
 138         }
 139
 140         // compare the two stacks
 141         std::vector<Reference<XTextSection> > ::reverse_iterator aOld =
 142             aOldStack.rbegin();
 143         std::vector<Reference<XTextSection> > ::reverse_iterator aNew =
 144             aNewStack.rbegin();
 145         // compare bottom sections and skip equal section
 146         while ( (aOld != aOldStack.rend()) &&
 147                 (aNew != aNewStack.rend()) &&
 148                 (*aOld) == (*aNew) )
 149         {
 150             ++aOld;
 151             ++aNew;
 152         }
 153
 154         // close all elements of aOld ...
 155         // (order: newest to oldest)
 156         if (aOld != aOldStack.rend())
 157         {
 158             std::vector<Reference<XTextSection> > ::iterator aOldForward(
 159                 aOldStack.begin());
 160             while ((aOldForward != aOldStack.end()) &&
 161                    (*aOldForward != *aOld))
 162             {
 163                 if ( !bAutoStyles && (nullptr != m_pRedlineExport) )
 164                     m_pRedlineExport->ExportStartOrEndRedline(*aOldForward,
 165                                                                 false);
 166                 m_pSectionExport->ExportSectionEnd(*aOldForward, bAutoStyles);
 167                 ++aOldForward;
 168             }
 169             if (aOldForward != aOldStack.end())
 170             {
 171                 if ( !bAutoStyles && (nullptr != m_pRedlineExport) )
 172                     m_pRedlineExport->ExportStartOrEndRedline(*aOldForward,
 173                                                             false);
 174                 m_pSectionExport->ExportSectionEnd(*aOldForward, bAutoStyles);
 175             }
 176         }
 177
 178         // ...then open all of aNew
 179         // (order: oldest to newest)
 180         while (aNew != aNewStack.rend())
 181         {
 182             if ( !bAutoStyles && (nullptr != m_pRedlineExport) )
 183                 m_pRedlineExport->ExportStartOrEndRedline(*aNew, true);
 184             m_pSectionExport->ExportSectionStart(*aNew, bAutoStyles);
 185             ++aNew;
 186         }
 187
 188         // start new list
 189         if ( !bAutoStyles && !bMute )
 190             exportListChange(aEmptyNumRuleInfo, rNextRule);
 191     }
 192     else
 193     {
 194         // list change, if sections have not changed
 195         if ( !bAutoStyles )
 196             exportListChange(rPrevRule, rNextRule);
 197     }
 198
 199     // save old section (old numRule gets saved in calling method)
 200     rPrevSection.set(rNextSection);
 201 }
 202
 203 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */