/* -*- 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( u"Show" _ustr, uno::Any(true ) );
chart2::RelativePosition aRelativePosition;
if ( !(xLegend->getPropertyValue( u"RelativePosition" _ustr) >>= aRelativePosition) )
{
chart2::LegendPosition ePos = chart2::LegendPosition_LINE_END;
if ( !(xLegend->getPropertyValue( u"AnchorPosition" _ustr) >>= ePos ) )
xLegend->setPropertyValue( u"AnchorPosition" _ustr, 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( u"Expansion" _ustr) >>= eExpansion ) )
xLegend->setPropertyValue( u"Expansion" _ustr, uno::Any( eExpansion ));
xLegend->setPropertyValue( u"RelativePosition" _ustr, uno::Any());
}
}
return xLegend;
}
void LegendHelper::hideLegend( ChartModel& rModel )
{
rtl::Reference< Legend > xLegend = LegendHelper::getLegend( rModel, nullptr );
if ( xLegend.is())
{
xLegend->setPropertyValue( u"Show" _ustr, 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( u"Show" _ustr) >>= bReturn;
}
return bReturn;
}
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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