xmloff/source/text/XMLTextHeaderFooterContext.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 <com/sun/star/text/XText.hpp>
  21 #include <com/sun/star/text/XParagraphAppend.hpp>
  22 #include <com/sun/star/beans/XPropertySet.hpp>
  23 #include <o3tl/any.hxx>
  24 #include <XMLTextHeaderFooterContext.hxx>
  25 #include <xmloff/xmlimp.hxx>
  26
  27
  28 using namespace ::com::sun::star;
  29 using namespace ::com::sun::star::uno;
  30 using namespace ::com::sun::star::xml::sax;
  31 using namespace ::com::sun::star::text;
  32 using namespace ::com::sun::star::beans;
  33
  34
  35 XMLTextHeaderFooterContext::XMLTextHeaderFooterContext( SvXMLImport& rImport,
  36                         const Reference < XPropertySet > & rPageStylePropSet,
  37                        bool bFooter, bool bLft, bool bFrst ) :
  38     SvXMLImportContext( rImport ),
  39     xPropSet( rPageStylePropSet ),
  40     sOn( bFooter ? u"FooterIsOn"_ustr : u"HeaderIsOn"_ustr ),
  41     sShareContent( bFooter ? u"FooterIsShared"_ustr : u"HeaderIsShared"_ustr ),
  42     sText( bFooter ? u"FooterText"_ustr : u"HeaderText"_ustr ),
  43     sTextFirst(bFooter ? u"FooterTextFirst"_ustr : u"HeaderTextFirst"_ustr),
  44     sTextLeft( bFooter ?  u"FooterTextLeft"_ustr : u"HeaderTextLeft"_ustr ),
  45     bInsertContent( true ),
  46     bLeft( bLft ),
  47     bFirst( bFrst )
  48 {
  49     // NOTE: if this ever handles XML_DISPLAY attr then beware of fdo#72850 !
  50     if( !(bLeft || bFirst) )
  51         return;
  52
  53     Any aAny = xPropSet->getPropertyValue( sOn );
  54     bool bOn = *o3tl::doAccess<bool>(aAny);
  55
  56     if( bOn )
  57     {
  58         if (bLeft)
  59         {
  60             aAny = xPropSet->getPropertyValue( sShareContent );
  61             bool bShared = bool();
  62             if (!(aAny >>= bShared))
  63                 assert(false); // should return a value!
  64             if( bShared )
  65             {
  66                 // Don't share headers any longer
  67                 xPropSet->setPropertyValue( sShareContent, Any(false) );
  68             }
  69         }
  70         if (bFirst)
  71         {
  72             static constexpr OUString sShareContentFirst( u"FirstIsShared"_ustr );
  73             aAny = xPropSet->getPropertyValue( sShareContentFirst );
  74             bool bSharedFirst = bool();
  75             if (!(aAny >>= bSharedFirst))
  76                 assert(false); // should return a value!
  77             if( bSharedFirst )
  78             {
  79                 // Don't share first/right headers any longer
  80                 xPropSet->setPropertyValue( sShareContentFirst, Any(false) );
  81             }
  82         }
  83     }
  84     else
  85     {
  86         // If headers or footers are switched off, no content must be
  87         // inserted.
  88         bInsertContent = false;
  89     }
  90 }
  91
  92 XMLTextHeaderFooterContext::~XMLTextHeaderFooterContext()
  93 {
  94 }
  95
  96 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLTextHeaderFooterContext::createFastChildContext(
  97     sal_Int32 nElement,
  98     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
  99 {
 100     SvXMLImportContext *pContext = nullptr;
 101     if( bInsertContent )
 102     {
 103         if( !xOldTextCursor.is() )
 104         {
 105             bool bRemoveContent = true;
 106             Any aAny;
 107             if( bLeft || bFirst )
 108             {
 109                 // Headers and footers are switched on already,
 110                 // and they aren't shared.
 111                 if (bLeft)
 112                     aAny = xPropSet->getPropertyValue( sTextLeft );
 113                 else
 114                     aAny = xPropSet->getPropertyValue( sTextFirst );
 115             }
 116             else
 117             {
 118                 aAny = xPropSet->getPropertyValue( sOn );
 119                 bool bOn = *o3tl::doAccess<bool>(aAny);
 120
 121                 if( !bOn )
 122                 {
 123                     // Switch header on
 124                     xPropSet->setPropertyValue( sOn, Any(true) );
 125
 126                     // The content has not to be removed, because the header
 127                     // or footer is empty already.
 128                     bRemoveContent = false;
 129                 }
 130
 131                 // If a header or footer is not shared, share it now.
 132                 aAny = xPropSet->getPropertyValue( sShareContent );
 133                 bool bShared = *o3tl::doAccess<bool>(aAny);
 134                 if( !bShared )
 135                 {
 136                     xPropSet->setPropertyValue( sShareContent, Any(true) );
 137                 }
 138
 139                 aAny = xPropSet->getPropertyValue( sText );
 140             }
 141
 142             Reference < XText > xText;
 143             aAny >>= xText;
 144
 145             if( bRemoveContent )
 146             {
 147                 xText->setString(OUString());
 148                 // fdo#82165 shapes anchored at the beginning or end survive
 149                 // setString("") - kill them the hard way: SwDoc::DelFullPara()
 150                 uno::Reference<text::XParagraphAppend> const xAppend(
 151                         xText, uno::UNO_QUERY_THROW);
 152                 uno::Reference<lang::XComponent> const xPara(
 153                     xAppend->finishParagraph(
 154                         uno::Sequence<beans::PropertyValue>()),
 155                     uno::UNO_QUERY_THROW);
 156                 xPara->dispose();
 157             }
 158
 159             rtl::Reference < XMLTextImportHelper > xTxtImport =
 160                 GetImport().GetTextImport();
 161
 162             xOldTextCursor = xTxtImport->GetCursor();
 163             xTxtImport->SetCursor( xText->createTextCursor() );
 164         }
 165
 166         pContext =
 167             GetImport().GetTextImport()->CreateTextChildContext(
 168                 GetImport(), nElement, xAttrList,
 169                 XMLTextType::HeaderFooter );
 170     }
 171
 172     return pContext;
 173 }
 174
 175 void XMLTextHeaderFooterContext::endFastElement(sal_Int32 )
 176 {
 177     if( xOldTextCursor.is() )
 178     {
 179         GetImport().GetTextImport()->DeleteParagraph();
 180         GetImport().GetTextImport()->SetCursor( xOldTextCursor );
 181     }
 182     else if( !bLeft )
 183     {
 184         // If no content has been inserted into the header or footer,
 185         // switch it off.
 186         xPropSet->setPropertyValue( sOn, Any(false) );
 187     }
 188 }
 189
 190 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */