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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 <LegendHelper.hxx>
#include <Legend.hxx>
#include <ChartModel.hxx>
#include <Diagram.hxx>
#include <com/sun/star/chart/ChartLegendExpansion.hpp>
#include <com/sun/star/chart2/LegendPosition.hpp>
#include <com/sun/star/chart2/RelativePosition.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <comphelper/diagnose_ex.hxx>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
namespace chart
{
rtl::Reference< Legend > LegendHelper::showLegend( ChartModel& rModel
, const uno::Reference< uno::XComponentContext >& xContext )
{
rtl::Reference< Legend > xLegend = LegendHelper::getLegend( rModel, xContext, true );
if( xLegend.is())
{
xLegend->setPropertyValue( "Show", uno::Any(true) );
chart2::RelativePosition aRelativePosition;
if( !(xLegend->getPropertyValue( "RelativePosition") >>= aRelativePosition) )
{
chart2::LegendPosition ePos = chart2::LegendPosition_LINE_END;
if( !(xLegend->getPropertyValue( "AnchorPosition") >>= ePos ) )
xLegend->setPropertyValue( "AnchorPosition", uno::Any( ePos ));
css::chart::ChartLegendExpansion eExpansion =
( ePos == chart2::LegendPosition_LINE_END ||
ePos == chart2::LegendPosition_LINE_START )
? css::chart::ChartLegendExpansion_HIGH
: css::chart::ChartLegendExpansion_WIDE;
if( !(xLegend->getPropertyValue( "Expansion") >>= eExpansion ) )
xLegend->setPropertyValue( "Expansion", uno::Any( eExpansion ));
xLegend->setPropertyValue( "RelativePosition", uno::Any());
}
}
return xLegend;
}
void LegendHelper::hideLegend( ChartModel& rModel )
{
rtl::Reference< Legend > xLegend = LegendHelper::getLegend( rModel, nullptr );
if( xLegend.is())
{
xLegend->setPropertyValue( "Show", uno::Any(false) );
}
}
rtl::Reference< Legend > LegendHelper::getLegend(
ChartModel& rModel
, const uno::Reference< uno::XComponentContext >& xContext
, bool bCreate )
{
rtl::Reference< Legend > xResult;
try
{
rtl::Reference< Diagram > xDia( rModel.getFirstChartDiagram());
if( xDia.is() )
{
xResult = xDia->getLegend2();
if( bCreate && !xResult.is() && xContext.is() )
{
xResult = new Legend();
xDia->setLegend( xResult );
}
}
else if(bCreate)
{
OSL_FAIL("need diagram for creation of legend");
}
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
return xResult;
}
bool LegendHelper::hasLegend( const rtl::Reference< Diagram > & xDiagram )
{
bool bReturn = false;
if( xDiagram.is())
{
uno::Reference< beans::XPropertySet > xLegendProp( xDiagram->getLegend(), uno::UNO_QUERY );
if( xLegendProp.is())
xLegendProp->getPropertyValue( "Show") >>= bReturn;
}
return bReturn;
}
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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