/* -*- 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 <xmloff/xmlimp.hxx>
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlnmspe.hxx>
#include <xmloff/xmltoken.hxx>
#include "txtparai.hxx"
#include <txtlists.hxx>
#include "XMLTextListBlockContext.hxx"
#include <xmloff/txtimp.hxx>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/style/XStyle.hpp>
#include <xmloff/xmlnumi.hxx>
#include <xmloff/ProgressBarHelper.hxx>
#include "XMLTextListItemContext.hxx"


using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::xmloff::token;


XMLTextListItemContext::XMLTextListItemContext(
                        SvXMLImport& rImport,
                        XMLTextImportHelper& rTxtImp,
                        const sal_uInt16 nPrfx,
                        const OUString& rLName,
                        const Reference< xml::sax::XAttributeList > & xAttrList,
                        const bool bIsHeader )
    : SvXMLImportContext( rImport, nPrfx, rLName ),
      rTxtImport( rTxtImp ),
      nStartValue( -1 ),
      mnSubListCount( 0 ),
      mxNumRulesOverride()
{
    sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
    for( sal_Int16 i=0; i < nAttrCount; i++ )
    {
        const OUString& rAttrName = xAttrList->getNameByIndex( i );
        const OUString& rValue = xAttrList->getValueByIndex( i );

        OUString aLocalName;
        sal_uInt16 nPrefix =
            GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
                                                            &aLocalName );
        if( !bIsHeader && XML_NAMESPACE_TEXT == nPrefix &&
            IsXMLToken( aLocalName, XML_START_VALUE ) )
        {
            sal_Int32 nTmp = rValue.toInt32();
            if( nTmp >= 0 && nTmp <= SHRT_MAX )
                nStartValue = static_cast<sal_Int16>(nTmp);
        }
        else if ( nPrefix == XML_NAMESPACE_TEXT &&
                  IsXMLToken( aLocalName, XML_STYLE_OVERRIDE ) )
        {
            const OUString& sListStyleOverrideName = rValue;
            if ( !sListStyleOverrideName.isEmpty() )
            {
                OUString sDisplayStyleName(
                        GetImport().GetStyleDisplayName( XML_STYLE_FAMILY_TEXT_LIST,
                                                         sListStyleOverrideName ) );
                const Reference < container::XNameContainer >& rNumStyles =
                                                    rTxtImp.GetNumberingStyles();
                if( rNumStyles.is() && rNumStyles->hasByName( sDisplayStyleName ) )
                {
                    Reference < style::XStyle > xStyle;
                    Any aAny = rNumStyles->getByName( sDisplayStyleName );
                    aAny >>= xStyle;

                    uno::Reference< beans::XPropertySet > xPropSet( xStyle, UNO_QUERY );
                    aAny = xPropSet->getPropertyValue("NumberingRules");
                    aAny >>= mxNumRulesOverride;
                }
                else
                {
                    const SvxXMLListStyleContext* pListStyle =
                                        rTxtImp.FindAutoListStyle( sListStyleOverrideName );
                    if( pListStyle )
                    {
                        mxNumRulesOverride = pListStyle->GetNumRules();
                        if( !mxNumRulesOverride.is() )
                        {
                            pListStyle->CreateAndInsertAuto();
                            mxNumRulesOverride = pListStyle->GetNumRules();
                        }
                    }
                }
            }
        }
        else if ( (XML_NAMESPACE_XML == nPrefix) &&
             IsXMLToken(aLocalName, XML_ID)   )
        {
//FIXME: there is no UNO API for list items
        }
    }

    // If this is a <text:list-item> element, then remember it as a sign
    // that a bullet has to be generated.
    if( !bIsHeader ) {
        rTxtImport.GetTextListHelper().SetListItem( this );
    }

}

XMLTextListItemContext::~XMLTextListItemContext()
{
}

void XMLTextListItemContext::EndElement()
{
    // finish current list item
    rTxtImport.GetTextListHelper().SetListItem( nullptr );
}

SvXMLImportContextRef XMLTextListItemContext::CreateChildContext(
        sal_uInt16 nPrefix,
        const OUString& rLocalName,
        const Reference< xml::sax::XAttributeList > & xAttrList )
{
    SvXMLImportContext *pContext = nullptr;

    const SvXMLTokenMap& rTokenMap = rTxtImport.GetTextElemTokenMap();
    bool bHeading = false;
    switch( rTokenMap.Get( nPrefix, rLocalName ) )
    {
    case XML_TOK_TEXT_H:
        bHeading = true;
        [[fallthrough]];
    case XML_TOK_TEXT_P:
        pContext = new XMLParaContext( GetImport(),
                                       nPrefix, rLocalName,
                                       xAttrList, bHeading );
        if (rTxtImport.IsProgress())
            GetImport().GetProgressBarHelper()->Increment();

        break;
    case XML_TOK_TEXT_LIST:
        ++mnSubListCount;
        pContext = new XMLTextListBlockContext( GetImport(), rTxtImport,
                                                nPrefix, rLocalName,
                                                xAttrList,
                                                (mnSubListCount > 1) );
        break;
    }

    if( !pContext )
        pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );

    return pContext;
}

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