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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ConfigColorScheme.cxx,v $
* $Revision: 1.3.44.1 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_chart2.hxx"
#include "ConfigColorScheme.hxx"
#include "ContainerHelper.hxx"
#include "macros.hxx"
#include <unotools/configitem.hxx>
#include <set>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::rtl::OUString;
namespace
{
static const OUString aSeriesPropName( RTL_CONSTASCII_USTRINGPARAM("Series"));
} // anonymous namespace
// --------------------------------------------------------------------------------
namespace chart
{
namespace impl
{
class ChartConfigItem : public ::utl::ConfigItem
{
public:
explicit ChartConfigItem( ConfigItemListener & rListener );
virtual ~ChartConfigItem();
void addPropertyNotification( const OUString & rPropertyName );
uno::Any getProperty( const OUString & aPropertyName );
protected:
// ____ ::utl::ConfigItem ____
virtual void Notify( const Sequence< OUString > & aPropertyNames );
private:
ConfigItemListener & m_rListener;
::std::set< OUString > m_aPropertiesToNotify;
};
ChartConfigItem::ChartConfigItem( ConfigItemListener & rListener ) :
::utl::ConfigItem( C2U("Office.Chart/DefaultColor")),
m_rListener( rListener )
{}
ChartConfigItem::~ChartConfigItem()
{}
void ChartConfigItem::Notify( const Sequence< OUString > & aPropertyNames )
{
for( sal_Int32 nIdx=0; nIdx<aPropertyNames.getLength(); ++nIdx )
{
if( m_aPropertiesToNotify.find( aPropertyNames[nIdx] ) != m_aPropertiesToNotify.end())
m_rListener.notify( aPropertyNames[nIdx] );
}
}
void ChartConfigItem::addPropertyNotification( const OUString & rPropertyName )
{
m_aPropertiesToNotify.insert( rPropertyName );
EnableNotification( ContainerHelper::ContainerToSequence( m_aPropertiesToNotify ));
}
uno::Any ChartConfigItem::getProperty( const OUString & aPropertyName )
{
Sequence< uno::Any > aValues(
GetProperties( Sequence< OUString >( &aPropertyName, 1 )));
if( ! aValues.getLength())
return uno::Any();
return aValues[0];
}
} // namespace impl
// --------------------------------------------------------------------------------
// explicit
ConfigColorScheme::ConfigColorScheme(
const Reference< uno::XComponentContext > & xContext ) :
m_xContext( xContext ),
m_nNumberOfColors( 0 ),
m_bNeedsUpdate( true )
{
}
ConfigColorScheme::~ConfigColorScheme()
{}
void ConfigColorScheme::retrieveConfigColors()
{
if( ! m_xContext.is())
return;
// create config item if necessary
if( ! m_apChartConfigItem.get())
{
m_apChartConfigItem.reset(
new impl::ChartConfigItem( *this ));
m_apChartConfigItem->addPropertyNotification( aSeriesPropName );
}
OSL_ASSERT( m_apChartConfigItem.get());
if( ! m_apChartConfigItem.get())
return;
// 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 )
throw (uno::RuntimeException)
{
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 sal_Int32 nDefaultColors[] = {
0x9999ff, 0x993366, 0xffffcc,
0xccffff, 0x660066, 0xff8080,
0x0066cc, 0xccccff, 0x000080,
0xff00ff, 0x00ffff, 0xffff00
};
static const sal_Int32 nMaxDefaultColors = sizeof( nDefaultColors ) / sizeof( sal_Int32 );
return nDefaultColors[ nIndex % nMaxDefaultColors ];
}
void ConfigColorScheme::notify( const OUString & rPropertyName )
{
if( rPropertyName.equals( aSeriesPropName ))
m_bNeedsUpdate = true;
}
// ================================================================================
Sequence< OUString > ConfigColorScheme::getSupportedServiceNames_Static()
{
Sequence< OUString > aServices( 1 );
aServices[ 0 ] = C2U( "com.sun.star.chart2.ColorScheme" );
return aServices;
}
// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
APPHELPER_XSERVICEINFO_IMPL( ConfigColorScheme,
C2U( "com.sun.star.comp.chart2.ConfigDefaultColorScheme" ))
// ================================================================================
} // namespace chart
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