/* -*- 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 <VLegendSymbolFactory.hxx>

#include <PropertyMapper.hxx>

#include <ShapeFactory.hxx>

#include <com/sun/star/drawing/Position3D.hpp>

#include <com/sun/star/chart2/Symbol.hpp>

#include <com/sun/star/drawing/Direction3D.hpp>

#include <comphelper/diagnose_ex.hxx>

#include <sal/log.hxx>

using namespace ::com::sun::star;

using ::com::sun::star::uno::Reference;

namespace

{

void getPropNamesAndValues( const Reference< beans::XPropertySet >& xProp,

        ::chart::tNameSequence& rNames,

        ::chart::tAnySequence& rValues,

        ::chart::VLegendSymbolFactory::PropertyType ePropertyType,

        const awt::Size& aMaxSymbolExtent)

{

    const ::chart::tPropertyNameMap & aFilledSeriesNameMap( ::chart::PropertyMapper::getPropertyNameMapForFilledSeriesProperties());

    const ::chart::tPropertyNameMap & aLineSeriesNameMap( ::chart::PropertyMapper::getPropertyNameMapForLineSeriesProperties());

    const ::chart::tPropertyNameMap & aLineNameMap( ::chart::PropertyMapper::getPropertyNameMapForLineProperties());

    ::chart::tPropertyNameValueMap aValueMap;

    switch( ePropertyType )

    {

        case ::chart::VLegendSymbolFactory::PropertyType::FilledSeries:

            ::chart::PropertyMapper::getValueMap( aValueMap, aFilledSeriesNameMap, xProp );

            break;

        case ::chart::VLegendSymbolFactory::PropertyType::LineSeries:

            ::chart::PropertyMapper::getValueMap( aValueMap, aLineSeriesNameMap, xProp );

            break;

        case ::chart::VLegendSymbolFactory::PropertyType::Line:

            ::chart::PropertyMapper::getValueMap( aValueMap, aLineNameMap, xProp );

            break;

    }

    ::chart::PropertyMapper::getMultiPropertyListsFromValueMap( rNames, rValues, aValueMap );

    uno::Any* pLineWidthAny = ::chart::PropertyMapper::getValuePointer(rValues,rNames,u"LineWidth");

    sal_Int32 nLineWidth = 0;

    if( pLineWidthAny && (*pLineWidthAny>>=nLineWidth) )

    {

        // use legend entry height as upper limit for line width

        sal_Int32 nMaxLineWidthForLegend = aMaxSymbolExtent.Height;

        if( nLineWidth>nMaxLineWidthForLegend )

            *pLineWidthAny <<= nMaxLineWidthForLegend;

    }

}

void lcl_setPropertiesToShape(

    const Reference< beans::XPropertySet > & xProp,

    const rtl::Reference< SvxShape > & xShape,

    ::chart::VLegendSymbolFactory::PropertyType ePropertyType,

    const awt::Size& aMaxSymbolExtent)

{

    ::chart::tNameSequence aPropNames;

    ::chart::tAnySequence aPropValues;

    getPropNamesAndValues( xProp, aPropNames, aPropValues,

            ePropertyType, aMaxSymbolExtent );

    ::chart::PropertyMapper::setMultiProperties( aPropNames, aPropValues, *xShape );

}

} // anonymous namespace

namespace chart

{

rtl::Reference< SvxShapeGroup > VLegendSymbolFactory::createSymbol(

    const awt::Size& rEntryKeyAspectRatio,

    const rtl::Reference<SvxShapeGroupAnyD>& rSymbolContainer,

    LegendSymbolStyle eStyle,

    const Reference< beans::XPropertySet > & xLegendEntryProperties,

    PropertyType ePropertyType, const uno::Any& rExplicitSymbol )

{

    rtl::Reference< SvxShapeGroup > xResult;

    if( !rSymbolContainer)

        return xResult;

    xResult = ShapeFactory::createGroup2D( rSymbolContainer );

    if( ! xResult)

        return xResult;

    rtl::Reference<SvxShapeGroupAnyD> xResultGroup = xResult;

    // add an invisible square box to maintain aspect ratio

    ShapeFactory::createInvisibleRectangle( xResultGroup, rEntryKeyAspectRatio );

    // create symbol

    try

    {

        if( eStyle == LegendSymbolStyle::Line )

        {

            rtl::Reference<SvxShapePolyPolygon> xLine =

                ShapeFactory::createLine( xResultGroup, awt::Size( rEntryKeyAspectRatio.Width, 0 ),

                        awt::Point( 0, rEntryKeyAspectRatio.Height/2 ));

            lcl_setPropertiesToShape( xLegendEntryProperties, xLine, ePropertyType, rEntryKeyAspectRatio );

            const sal_Int32 nSize = std::min(rEntryKeyAspectRatio.Width,rEntryKeyAspectRatio.Height);

            chart2::Symbol aSymbol;

            if( rExplicitSymbol >>= aSymbol )

            {

                drawing::Direction3D aSymbolSize( nSize, nSize, 0 );

                drawing::Position3D aPos( rEntryKeyAspectRatio.Width/2.0, rEntryKeyAspectRatio.Height/2.0, 0 );

                if( aSymbol.Style == chart2::SymbolStyle_STANDARD )

                {

                    // take series color as fill color

                    xLegendEntryProperties->getPropertyValue( u"Color"_ustr) >>= aSymbol.FillColor;

                    // border of symbols always same as fill color

                    aSymbol.BorderColor = aSymbol.FillColor;

                    ShapeFactory::createSymbol2D(

                                     xResultGroup,

                                     aPos,

                                     aSymbolSize,

                                     aSymbol.StandardSymbol,

                                     aSymbol.BorderColor,

                                     aSymbol.FillColor );

                }

                else if( aSymbol.Style == chart2::SymbolStyle_GRAPHIC )

                {

                    ShapeFactory::createGraphic2D(

                                     xResultGroup,

                                     aPos,

                                     aSymbolSize,

                                     aSymbol.Graphic );

                }

                else if( aSymbol.Style == chart2::SymbolStyle_AUTO )

                {

                    SAL_WARN("chart2", "the given parameter is not allowed to contain an automatic symbol style");

                }

            }

        }

        else if( eStyle == LegendSymbolStyle::Circle )

        {

            sal_Int32 nSize = std::min( rEntryKeyAspectRatio.Width, rEntryKeyAspectRatio.Height );

            rtl::Reference<SvxShapeCircle> xShape =

                ShapeFactory::createCircle( xResultGroup, awt::Size( nSize, nSize ),

                        awt::Point( rEntryKeyAspectRatio.Width/2-nSize/2, rEntryKeyAspectRatio.Height/2-nSize/2 ));

            lcl_setPropertiesToShape( xLegendEntryProperties, xShape, ePropertyType, awt::Size(0,0) ); // PropertyType::FilledSeries );

        }

        else // eStyle == LegendSymbolStyle::Box

        {

            tNameSequence aPropNames;

            tAnySequence aPropValues;

            getPropNamesAndValues( xLegendEntryProperties, aPropNames, aPropValues,

                    ePropertyType, awt::Size(0,0) );// PropertyType::FilledSeries

            ShapeFactory::createRectangle( xResultGroup,

                        rEntryKeyAspectRatio, awt::Point( 0, 0 ),

                        aPropNames, aPropValues );

        }

    }

    catch( const uno::Exception & )

    {

        DBG_UNHANDLED_EXCEPTION("chart2");

    }

    return xResult;

}

} //  namespace chart

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