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Diffstat (limited to 'chart2/source/tools/ConfigColorScheme.cxx')
-rw-r--r-- | chart2/source/tools/ConfigColorScheme.cxx | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/chart2/source/tools/ConfigColorScheme.cxx b/chart2/source/tools/ConfigColorScheme.cxx new file mode 100644 index 000000000000..fb7106d87096 --- /dev/null +++ b/chart2/source/tools/ConfigColorScheme.cxx @@ -0,0 +1,202 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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 +{ + +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( ConfigItemListener & rListener ); + virtual ~ChartConfigItem(); + + void addPropertyNotification( const OUString & rPropertyName ); + + uno::Any getProperty( const OUString & aPropertyName ); + +protected: + // ____ ::utl::ConfigItem ____ + virtual void Commit(); + 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::Commit() +{} + +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 |