/* -*- 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 "SchXMLLegendContext.hxx"

#include "SchXMLEnumConverter.hxx"

#include <xmloff/xmlimp.hxx>

#include <xmloff/xmlnamespace.hxx>

#include <xmloff/xmluconv.hxx>

#include <sal/log.hxx>

#include <com/sun/star/chart/ChartLegendExpansion.hpp>

#include <com/sun/star/chart/XChartDocument.hpp>

#include <com/sun/star/drawing/FillStyle.hpp>

using namespace ::xmloff::token;

using namespace com::sun::star;

SchXMLLegendContext::SchXMLLegendContext( SchXMLImportHelper& rImpHelper, SvXMLImport& rImport ) :

    SvXMLImportContext( rImport ),

    mrImportHelper( rImpHelper )

{

}

void SchXMLLegendContext::startFastElement( sal_Int32 /*nElement*/,

    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )

{

    uno::Reference< chart::XChartDocument > xDoc = mrImportHelper.GetChartDocument();

    if( !xDoc.is() )

        return;

    // turn on legend

    uno::Reference< beans::XPropertySet > xDocProp( xDoc, uno::UNO_QUERY );

    if( xDocProp.is() )

    {

        try

        {

            xDocProp->setPropertyValue(u"HasLegend"_ustr, uno::Any( true ) );

        }

        catch(const beans::UnknownPropertyException&)

        {

            SAL_INFO("xmloff.chart", "Property HasLegend not found" );

        }

    }

    uno::Reference< drawing::XShape > xLegendShape = xDoc->getLegend();

    uno::Reference< beans::XPropertySet > xLegendProps( xLegendShape, uno::UNO_QUERY );

    if( !xLegendShape.is() || !xLegendProps.is() )

    {

        SAL_INFO("xmloff.chart", "legend could not be created" );

        return;

    }

    // parse attributes

    awt::Point aLegendPos;

    bool bOverlay = false;

    bool bHasXPosition=false;

    bool bHasYPosition=false;

    awt::Size aLegendSize;

    bool bHasWidth=false;

    bool bHasHeight=false;

    chart::ChartLegendExpansion nLegendExpansion = chart::ChartLegendExpansion_HIGH;

    bool bHasExpansion=false;

    OUString sAutoStyleName;

    uno::Any aAny;

    for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )

    {

        switch(aIter.getToken())

        {

            case XML_ELEMENT(CHART, XML_LEGEND_POSITION):

                try

                {

                    if( SchXMLEnumConverter::getLegendPositionConverter().importXML( aIter.toString(), aAny, GetImport().GetMM100UnitConverter() ) )

                        xLegendProps->setPropertyValue(u"Alignment"_ustr, aAny );

                }

                catch(const beans::UnknownPropertyException&)

                {

                    SAL_INFO("xmloff.chart", "Property Alignment (legend) not found" );

                }

                break;

            case  XML_ELEMENT(LO_EXT, XML_OVERLAY):

                try

                {

                    bOverlay = aIter.toBoolean();

                    xLegendProps->setPropertyValue(u"Overlay"_ustr, uno::Any(bOverlay));

                }

                catch(const beans::UnknownPropertyException&)

                {

                    SAL_INFO("xmloff.chart", "Property Overlay (legend) not found" );

                }

                break;

            case XML_ELEMENT(SVG, XML_X):

            case XML_ELEMENT(SVG_COMPAT, XML_X):

                GetImport().GetMM100UnitConverter().convertMeasureToCore(

                        aLegendPos.X, aIter.toView() );

                bHasXPosition = true;

                break;

            case XML_ELEMENT(SVG, XML_Y):

            case XML_ELEMENT(SVG_COMPAT, XML_Y):

                GetImport().GetMM100UnitConverter().convertMeasureToCore(

                        aLegendPos.Y, aIter.toView() );

                bHasYPosition = true;

                break;

            case XML_ELEMENT(CHART, XML_STYLE_NAME):

                sAutoStyleName = aIter.toString();

                break;

            case  XML_ELEMENT(STYLE, XML_LEGEND_EXPANSION):

                SchXMLEnumConverter::getLegendPositionConverter().importXML( aIter.toString(), aAny, GetImport().GetMM100UnitConverter() );

                bHasExpansion = (aAny>>=nLegendExpansion);

                break;

            case XML_ELEMENT(STYLE, XML_LEGEND_EXPANSION_ASPECT_RATIO):

                break;

            case XML_ELEMENT(SVG, XML_WIDTH):

            case XML_ELEMENT(SVG_COMPAT, XML_WIDTH):

            case XML_ELEMENT(CHART_EXT, XML_WIDTH):

                GetImport().GetMM100UnitConverter().convertMeasureToCore(

                        aLegendSize.Width, aIter.toView() );

                bHasWidth = true;

                break;

            case XML_ELEMENT(SVG, XML_HEIGHT):

            case XML_ELEMENT(SVG_COMPAT, XML_HEIGHT):

            case XML_ELEMENT(CHART_EXT, XML_HEIGHT):

                GetImport().GetMM100UnitConverter().convertMeasureToCore(

                        aLegendSize.Height, aIter.toView() );

                bHasHeight = true;

                break;

            default:

                XMLOFF_WARN_UNKNOWN("xmloff", aIter);

                break;

        }

    }

    if( bHasExpansion && nLegendExpansion!= chart::ChartLegendExpansion_CUSTOM )

        xLegendProps->setPropertyValue(u"Expansion"_ustr, uno::Any(nLegendExpansion) );

    else if( bHasHeight && bHasWidth )

        xLegendShape->setSize( aLegendSize );

    if( bHasXPosition && bHasYPosition )

        xLegendShape->setPosition( aLegendPos );

    // the fill style has the default "none" in XML, but "solid" in the model.

    xLegendProps->setPropertyValue(u"FillStyle"_ustr, uno::Any( drawing::FillStyle_NONE ));

    // set auto-styles for Legend

    mrImportHelper.FillAutoStyle(sAutoStyleName, xLegendProps);

}

SchXMLLegendContext::~SchXMLLegendContext()

{

}

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