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path: root/xmloff/source/text/XMLTextHeaderFooterContext.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <com/sun/star/text/XText.hpp>
#include <com/sun/star/text/XParagraphAppend.hpp>
#include <com/sun/star/text/XRelativeTextContentRemove.hpp>
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlnmspe.hxx>
#include "XMLTextHeaderFooterContext.hxx"
#include <xmloff/XMLTextTableContext.hxx>
#include <xmloff/xmlimp.hxx>



using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using namespace ::com::sun::star::text;
using namespace ::com::sun::star::beans;


TYPEINIT1( XMLTextHeaderFooterContext, SvXMLImportContext );

XMLTextHeaderFooterContext::XMLTextHeaderFooterContext( SvXMLImport& rImport, sal_uInt16 nPrfx,
                       const OUString& rLName,
                       const uno::Reference<
                            xml::sax::XAttributeList > &,
                        const Reference < XPropertySet > & rPageStylePropSet,
                       bool bFooter, bool bLft, bool bFrst ) :
    SvXMLImportContext( rImport, nPrfx, rLName ),
    xPropSet( rPageStylePropSet ),
    sOn( bFooter ? OUString("FooterIsOn") : OUString("HeaderIsOn") ),
    sShareContent( bFooter ? OUString("FooterIsShared") : OUString("HeaderIsShared") ),
    sShareContentFirst( "FirstIsShared" ),
    sText( bFooter ? OUString("FooterText") : OUString("HeaderText") ),
    sTextFirst(bFooter ? OUString("FooterTextFirst") : OUString("HeaderTextFirst")),
    sTextLeft( bFooter ?  OUString("FooterTextLeft") : OUString("HeaderTextLeft") ),
    bInsertContent( true ),
    bLeft( bLft ),
    bFirst( bFrst )
{
    // NOTE: if this ever handles XML_DISPLAY attr then beware of fdo#72850 !
    if( bLeft || bFirst )
    {
        Any aAny;

        aAny = xPropSet->getPropertyValue( sOn );
        bool bOn = *static_cast<sal_Bool const *>(aAny.getValue());

        if( bOn )
        {
            if (bLeft)
            {
                aAny = xPropSet->getPropertyValue( sShareContent );
                bool bShared;
                if (!(aAny >>= bShared))
                    assert(false); // should return a value!
                if( bShared )
                {
                    // Don't share headers any longer
                    bShared = false;
                    aAny.setValue( &bShared, cppu::UnoType<bool>::get() );
                    xPropSet->setPropertyValue( sShareContent, aAny );
                }
            }
            if (bFirst)
            {
                aAny = xPropSet->getPropertyValue( sShareContentFirst );
                bool bSharedFirst;
                if (!(aAny >>= bSharedFirst))
                    assert(false); // should return a value!
                if( bSharedFirst )
                {
                    // Don't share first/right headers any longer
                    bSharedFirst = false;
                    aAny.setValue( &bSharedFirst, cppu::UnoType<bool>::get() );
                    xPropSet->setPropertyValue( sShareContentFirst, aAny );
                }
            }
        }
        else
        {
            // If headers or footers are switched off, no content must be
            // inserted.
            bInsertContent = false;
        }
    }
}

XMLTextHeaderFooterContext::~XMLTextHeaderFooterContext()
{
}

SvXMLImportContext *XMLTextHeaderFooterContext::CreateChildContext(
    sal_uInt16 nPrefix,
    const OUString& rLocalName,
    const uno::Reference< xml::sax::XAttributeList > & xAttrList )
{
    SvXMLImportContext *pContext = 0;
    if( bInsertContent )
    {
        if( !xOldTextCursor.is() )
        {
            bool bRemoveContent = true;
            Any aAny;
            if( bLeft || bFirst )
            {
                // Headers and footers are switched on already,
                // and they aren't shared.
                if (bLeft)
                    aAny = xPropSet->getPropertyValue( sTextLeft );
                else
                    aAny = xPropSet->getPropertyValue( sTextFirst );
            }
            else
            {
                aAny = xPropSet->getPropertyValue( sOn );
                sal_Bool bOn = *static_cast<sal_Bool const *>(aAny.getValue());

                if( !bOn )
                {
                    // Switch header on
                    bOn = sal_True;
                    aAny.setValue( &bOn, cppu::UnoType<bool>::get() );
                    xPropSet->setPropertyValue( sOn, aAny );

                    // The content has not to be removed, because the header
                    // or footer is empty already.
                    bRemoveContent = false;
                }

                // If a header or footer is not shared, share it now.
                aAny = xPropSet->getPropertyValue( sShareContent );
                sal_Bool bShared = *static_cast<sal_Bool const *>(aAny.getValue());
                if( !bShared )
                {
                    bShared = sal_True;
                    aAny.setValue( &bShared, cppu::UnoType<bool>::get() );
                    xPropSet->setPropertyValue( sShareContent, aAny );
                }

                aAny = xPropSet->getPropertyValue( sText );
            }

            Reference < XText > xText;
            aAny >>= xText;

            if( bRemoveContent )
            {
                xText->setString(OUString());
                // fdo#82165 shapes anchored at the beginning or end survive
                // setString("") - kill them the hard way: SwDoc::DelFullPara()
                uno::Reference<text::XParagraphAppend> const xAppend(
                        xText, uno::UNO_QUERY_THROW);
                uno::Reference<lang::XComponent> const xPara(
                    xAppend->finishParagraph(
                        uno::Sequence<beans::PropertyValue>()),
                    uno::UNO_QUERY_THROW);
                xPara->dispose();
            }

            rtl::Reference < XMLTextImportHelper > xTxtImport =
                GetImport().GetTextImport();

            xOldTextCursor = xTxtImport->GetCursor();
            xTxtImport->SetCursor( xText->createTextCursor() );
        }

        pContext =
            GetImport().GetTextImport()->CreateTextChildContext(
                GetImport(), nPrefix, rLocalName, xAttrList,
                XML_TEXT_TYPE_HEADER_FOOTER );
    }
    if( !pContext )
        pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );

    return pContext;
}

void XMLTextHeaderFooterContext::EndElement()
{
    if( xOldTextCursor.is() )
    {
        GetImport().GetTextImport()->DeleteParagraph();
        GetImport().GetTextImport()->SetCursor( xOldTextCursor );
    }
    else if( !bLeft )
    {
        // If no content has been inserted into the header or footer,
        // switch it off.
        sal_Bool bOn = sal_False;
        Any aAny;
        aAny.setValue( &bOn, cppu::UnoType<bool>::get() );
        xPropSet->setPropertyValue( sOn, aAny );
    }
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */