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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 <ConfigColorScheme.hxx>
#include <unotools/configitem.hxx>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
namespace
{
constexpr OUString aSeriesPropName = u"Series"_ustr;
} // anonymous namespace
namespace chart
{
uno::Reference< chart2::XColorScheme > createConfigColorScheme( const uno::Reference< uno::XComponentContext > & xContext )
{
return new ConfigColorScheme( xContext );
}
namespace impl
{
class ChartConfigItem : public ::utl::ConfigItem
{
public:
explicit ChartConfigItem( ConfigColorScheme & rListener );
uno::Any getProperty( const OUString & aPropertyName );
protected:
// ____ ::utl::ConfigItem ____
virtual void ImplCommit() override;
virtual void Notify( const Sequence< OUString > & aPropertyNames ) override;
private:
ConfigColorScheme & m_rListener;
};
ChartConfigItem::ChartConfigItem( ConfigColorScheme & rListener ) :
::utl::ConfigItem( u"Office.Chart/DefaultColor"_ustr ),
m_rListener( rListener )
{
EnableNotification( { aSeriesPropName } );
}
void ChartConfigItem::Notify( const Sequence< OUString > & aPropertyNames )
{
for( OUString const & s : aPropertyNames )
{
if( s == aSeriesPropName )
m_rListener.notify();
}
}
void ChartConfigItem::ImplCommit()
{}
uno::Any ChartConfigItem::getProperty( const OUString & aPropertyName )
{
Sequence< uno::Any > aValues(
GetProperties( Sequence< OUString >( &aPropertyName, 1 )));
if( ! aValues.hasElements())
return uno::Any();
return aValues[0];
}
} // namespace impl
// explicit
ConfigColorScheme::ConfigColorScheme(
const Reference< uno::XComponentContext > & xContext ) :
BaseColorScheme(),
m_xContext( xContext ),
m_bNeedsUpdate( true )
{
}
ConfigColorScheme::~ConfigColorScheme()
{}
void ConfigColorScheme::retrieveConfigColors()
{
if( ! m_xContext.is())
return;
// create config item if necessary
if (!m_apChartConfigItem)
{
m_apChartConfigItem.reset(
new impl::ChartConfigItem( *this ));
}
assert(m_apChartConfigItem && "this can only be set at this point");
// retrieve colors
uno::Any aValue(
m_apChartConfigItem->getProperty( aSeriesPropName ));
if( aValue >>= m_aColorSequence )
m_nNumberOfColors = m_aColorSequence.getLength();
m_bNeedsUpdate = false;
}
// ____ XColorScheme ____
::sal_Int32 SAL_CALL ConfigColorScheme::getColorByIndex( ::sal_Int32 nIndex )
{
if( m_bNeedsUpdate )
retrieveConfigColors();
if( m_nNumberOfColors > 0 )
return static_cast< sal_Int32 >( m_aColorSequence[ nIndex % m_nNumberOfColors ] );
// fall-back: hard-coded standard colors
static const sal_Int32 nDefaultColors[] = {
0x9999ff, 0x993366, 0xffffcc,
0xccffff, 0x660066, 0xff8080,
0x0066cc, 0xccccff, 0x000080,
0xff00ff, 0x00ffff, 0xffff00
};
static const sal_Int32 nMaxDefaultColors = std::size( nDefaultColors );
return nDefaultColors[ nIndex % nMaxDefaultColors ];
}
void ConfigColorScheme::notify()
{
m_bNeedsUpdate = true;
}
OUString SAL_CALL ConfigColorScheme::getImplementationName()
{
return u"com.sun.star.comp.chart2.ConfigDefaultColorScheme"_ustr ;
}
} // namespace chart
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_chart2_ConfigDefaultColorScheme_get_implementation(css::uno::XComponentContext *context,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new ::chart::ConfigColorScheme(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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