xmloff/source/text/XMLChangedRegionImportContext.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 #include "XMLChangedRegionImportContext.hxx"
  21 #include "XMLChangeElementImportContext.hxx"
  22 #include <com/sun/star/uno/Reference.h>
  23 #include <com/sun/star/util/DateTime.hpp>
  24 #include <com/sun/star/text/XTextCursor.hpp>
  25
  26 #include <sax/tools/converter.hxx>
  27
  28 #include <xmloff/xmlimp.hxx>
  29 #include <xmloff/xmlnmspe.hxx>
  30 #include <xmloff/nmspmap.hxx>
  31 #include <xmloff/xmltoken.hxx>
  32
  33
  34 using namespace ::xmloff::token;
  35
  36 using ::com::sun::star::uno::Reference;
  37 using ::com::sun::star::text::XTextCursor;
  38 using namespace ::com::sun::star;
  39 using ::com::sun::star::xml::sax::XAttributeList;
  40
  41
  42
  43 TYPEINIT1(XMLChangedRegionImportContext, SvXMLImportContext);
  44
  45 XMLChangedRegionImportContext::XMLChangedRegionImportContext(
  46     SvXMLImport& rImport,
  47     sal_uInt16 nPrefix,
  48     const OUString& rLocalName) :
  49         SvXMLImportContext(rImport, nPrefix, rLocalName),
  50         bMergeLastPara(true)
  51 {
  52 }
  53
  54 XMLChangedRegionImportContext::~XMLChangedRegionImportContext()
  55 {
  56 }
  57
  58 void XMLChangedRegionImportContext::StartElement(
  59     const Reference<XAttributeList> & xAttrList)
  60 {
  61     // process attributes: id
  62     bool bHaveXmlId( false );
  63     sal_Int16 nLength = xAttrList->getLength();
  64     for(sal_Int16 nAttr = 0; nAttr < nLength; nAttr++)
  65     {
  66         OUString sLocalName;
  67         sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
  68             GetKeyByAttrName( xAttrList->getNameByIndex(nAttr),
  69                               &sLocalName );
  70
  71         const OUString sValue = xAttrList->getValueByIndex(nAttr);
  72         if (XML_NAMESPACE_XML == nPrefix)
  73         {
  74             if (IsXMLToken(sLocalName, XML_ID))
  75             {
  76                 sID = sValue;
  77                 bHaveXmlId = true;
  78             }
  79         }
  80         else if (XML_NAMESPACE_TEXT == nPrefix)
  81         {
  82             if (IsXMLToken(sLocalName, XML_ID))
  83             {
  84                 if (!bHaveXmlId) { sID = sValue; }
  85             }
  86             else if( IsXMLToken( sLocalName, XML_MERGE_LAST_PARAGRAPH ) )
  87             {
  88                 bool bTmp(false);
  89                 if (::sax::Converter::convertBool(bTmp, sValue))
  90                 {
  91                     bMergeLastPara = bTmp;
  92                 }
  93             }
  94         }
  95     }
  96 }
  97
  98 SvXMLImportContext* XMLChangedRegionImportContext::CreateChildContext(
  99     sal_uInt16 nPrefix,
 100     const OUString& rLocalName,
 101     const Reference<XAttributeList> & xAttrList)
 102 {
 103     SvXMLImportContext* pContext = NULL;
 104
 105     if (XML_NAMESPACE_TEXT == nPrefix)
 106     {
 107         // from the ODF 1.2 standard :
 108         // The <text:changed-region> element has the following child elements:
 109         // <text:deletion>, <text:format-change> and <text:insertion>.
 110         if ( IsXMLToken( rLocalName, XML_INSERTION ) ||
 111              IsXMLToken( rLocalName, XML_DELETION ) ||
 112              IsXMLToken( rLocalName, XML_FORMAT_CHANGE ) )
 113         {
 114             // create XMLChangeElementImportContext for all kinds of changes
 115             pContext = new XMLChangeElementImportContext(
 116                GetImport(), nPrefix, rLocalName,
 117                IsXMLToken( rLocalName, XML_DELETION ),
 118                *this);
 119         }
 120         // else: it may be a text element, see below
 121     }
 122
 123     if (NULL == pContext)
 124     {
 125         // illegal element content! TODO: discard the redlines
 126         // for the moment -> use text
 127
 128         pContext = SvXMLImportContext::CreateChildContext(nPrefix, rLocalName,
 129                                                           xAttrList);
 130
 131         // or default if text fail
 132         if (NULL == pContext)
 133         {
 134             pContext = SvXMLImportContext::CreateChildContext(
 135                 nPrefix, rLocalName, xAttrList);
 136         }
 137     }
 138
 139     return pContext;
 140 }
 141
 142 void XMLChangedRegionImportContext::EndElement()
 143 {
 144     // restore old XCursor (if necessary)
 145     if (xOldCursor.is())
 146     {
 147         // delete last paragraph
 148         // (one extra paragraph was inserted in the beginning)
 149         rtl::Reference<XMLTextImportHelper> rHelper =
 150             GetImport().GetTextImport();
 151         rHelper->DeleteParagraph();
 152
 153         GetImport().GetTextImport()->SetCursor(xOldCursor);
 154         xOldCursor = NULL;
 155     }
 156 }
 157
 158 void XMLChangedRegionImportContext::SetChangeInfo(
 159     const OUString& rType,
 160     const OUString& rAuthor,
 161     const OUString& rComment,
 162     const OUString& rDate)
 163 {
 164     util::DateTime aDateTime;
 165     if (::sax::Converter::parseDateTime(aDateTime, 0, rDate))
 166     {
 167         GetImport().GetTextImport()->RedlineAdd(
 168             rType, sID, rAuthor, rComment, aDateTime, bMergeLastPara);
 169     }
 170 }
 171
 172 void XMLChangedRegionImportContext::UseRedlineText()
 173 {
 174     // if we haven't already installed the redline cursor, do it now
 175     if (! xOldCursor.is())
 176     {
 177         // get TextImportHelper and old Cursor
 178         rtl::Reference<XMLTextImportHelper> rHelper(GetImport().GetTextImport());
 179         Reference<XTextCursor> xCursor( rHelper->GetCursor() );
 180
 181         // create Redline and new Cursor
 182         Reference<XTextCursor> xNewCursor =
 183             rHelper->RedlineCreateText(xCursor, sID);
 184
 185         if (xNewCursor.is())
 186         {
 187             // save old cursor and install new one
 188             xOldCursor = xCursor;
 189             rHelper->SetCursor( xNewCursor );
 190         }
 191         // else: leave as is
 192     }
 193 }
 194
 195 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */