Files
libreoffice/chart2/source/tools/LegendHelper.cxx
Markus Mohrhard 401f01caf5 use ChartModel instead of XModel in a few places
This allows us easier implementation of some advanced features. Mainly
the 4D chartting will now be able to work without several ugly layers of
UNO.

Change-Id: I74d07229eaef921c508f3bab8fae6d6075ad737a
2013-11-19 13:47:36 +01:00

125 lines
4.4 KiB
C++

/* -*- 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 "macros.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/chart2/XChartDocument.hpp>
#include <com/sun/star/chart2/XLegend.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
namespace chart
{
Reference< chart2::XLegend > LegendHelper::showLegend( ChartModel& rModel
, const uno::Reference< uno::XComponentContext >& xContext )
{
uno::Reference< chart2::XLegend > xLegend = LegendHelper::getLegend( rModel, xContext, true );
uno::Reference< beans::XPropertySet > xProp( xLegend, uno::UNO_QUERY );
if( xProp.is())
{
xProp->setPropertyValue( "Show", uno::makeAny(sal_True) );
chart2::RelativePosition aRelativePosition;
if( !(xProp->getPropertyValue( "RelativePosition") >>= aRelativePosition) )
{
chart2::LegendPosition ePos = chart2::LegendPosition_LINE_END;
if( !(xProp->getPropertyValue( "AnchorPosition") >>= ePos ) )
xProp->setPropertyValue( "AnchorPosition", uno::makeAny( ePos ));
::com::sun::star::chart::ChartLegendExpansion eExpansion =
( ePos == chart2::LegendPosition_LINE_END ||
ePos == chart2::LegendPosition_LINE_START )
? ::com::sun::star::chart::ChartLegendExpansion_HIGH
: ::com::sun::star::chart::ChartLegendExpansion_WIDE;
if( !(xProp->getPropertyValue( "Expansion") >>= eExpansion ) )
xProp->setPropertyValue( "Expansion", uno::makeAny( eExpansion ));
xProp->setPropertyValue( "RelativePosition", uno::Any());
}
}
return xLegend;
}
void LegendHelper::hideLegend( ChartModel& rModel )
{
uno::Reference< chart2::XLegend > xLegend = LegendHelper::getLegend( rModel, 0, false );
uno::Reference< beans::XPropertySet > xProp( xLegend, uno::UNO_QUERY );
if( xProp.is())
{
xProp->setPropertyValue( "Show", uno::makeAny(sal_False) );
}
}
uno::Reference< chart2::XLegend > LegendHelper::getLegend(
ChartModel& rModel
, const uno::Reference< uno::XComponentContext >& xContext
, bool bCreate )
{
uno::Reference< chart2::XLegend > xResult;
try
{
uno::Reference< chart2::XDiagram > xDia( rModel.getFirstDiagram());
if( xDia.is() )
{
xResult.set( xDia->getLegend() );
if( bCreate && !xResult.is() && xContext.is() )
{
xResult.set( xContext->getServiceManager()->createInstanceWithContext(
"com.sun.star.chart2.Legend", xContext ), uno::UNO_QUERY );
xDia->setLegend( xResult );
}
}
else if(bCreate)
{
OSL_FAIL("need diagram for creation of legend");
}
}
catch( const uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
return xResult;
}
bool LegendHelper::hasLegend( const uno::Reference< chart2::XDiagram > & 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: */