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Diffstat (limited to 'chart2/source/view/axes/DateScaling.cxx')
| -rw-r--r-- | chart2/source/view/axes/DateScaling.cxx | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/chart2/source/view/axes/DateScaling.cxx b/chart2/source/view/axes/DateScaling.cxx new file mode 100644 index 000000000000..8a69e83abbc8 --- /dev/null +++ b/chart2/source/view/axes/DateScaling.cxx @@ -0,0 +1,216 @@ +/************************************************************************* + * + * 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 "DateScaling.hxx" +#include <com/sun/star/chart/TimeUnit.hpp> +#include <rtl/math.hxx> +#include "com/sun/star/uno/RuntimeException.hpp" + +namespace +{ + +static const ::rtl::OUString lcl_aServiceName_DateScaling( + RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.DateScaling" )); +static const ::rtl::OUString lcl_aServiceName_InverseDateScaling( + RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.InverseDateScaling" )); + +static const ::rtl::OUString lcl_aImplementationName_DateScaling( + RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.DateScaling" )); +static const ::rtl::OUString lcl_aImplementationName_InverseDateScaling( + RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.InverseDateScaling" )); + +static const double lcl_fNumberOfMonths = 12.0;//todo: this needs to be offered by basic tools Date class if it should be more generic +} + +//............................................................................. +namespace chart +{ +//............................................................................. +using namespace ::com::sun::star; +using namespace ::com::sun::star::chart2; +using ::com::sun::star::chart::TimeUnit::DAY; +using ::com::sun::star::chart::TimeUnit::MONTH; +using ::com::sun::star::chart::TimeUnit::YEAR; + +DateScaling::DateScaling( const Date& rNullDate, sal_Int32 nTimeUnit, bool bShifted ) + : m_aNullDate( rNullDate ) + , m_nTimeUnit( nTimeUnit ) + , m_bShifted( bShifted ) +{ +} + +DateScaling::~DateScaling() +{ +} + +double SAL_CALL DateScaling::doScaling( double value ) + throw (uno::RuntimeException) +{ + double fResult(value); + if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) ) + ::rtl::math::setNan( & fResult ); + else + { + Date aDate(m_aNullDate); + aDate += static_cast<long>(::rtl::math::approxFloor(value)); + switch( m_nTimeUnit ) + { + case DAY: + fResult = value; + if(m_bShifted) + fResult+=0.5; + break; + case YEAR: + case MONTH: + default: + fResult = aDate.GetYear(); + fResult *= lcl_fNumberOfMonths;//asssuming equal count of months in each year + fResult += aDate.GetMonth(); + + double fDayOfMonth = aDate.GetDay(); + fDayOfMonth -= 1.0; + double fDaysInMonth = aDate.GetDaysInMonth(); + fResult += fDayOfMonth/fDaysInMonth; + if(m_bShifted) + { + if( YEAR==m_nTimeUnit ) + fResult += 0.5*lcl_fNumberOfMonths; + else + fResult += 0.5; + } + break; + } + } + return fResult; +} + +uno::Reference< XScaling > SAL_CALL DateScaling::getInverseScaling() + throw (uno::RuntimeException) +{ + return new InverseDateScaling( m_aNullDate, m_nTimeUnit, m_bShifted ); +} + +::rtl::OUString SAL_CALL DateScaling::getServiceName() + throw (uno::RuntimeException) +{ + return lcl_aServiceName_DateScaling; +} + +uno::Sequence< ::rtl::OUString > DateScaling::getSupportedServiceNames_Static() +{ + return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_DateScaling, 1 ); +} + +// implement XServiceInfo methods basing upon getSupportedServiceNames_Static +APPHELPER_XSERVICEINFO_IMPL( DateScaling, lcl_aServiceName_DateScaling ) + +// ---------------------------------------- + +InverseDateScaling::InverseDateScaling( const Date& rNullDate, sal_Int32 nTimeUnit, bool bShifted ) + : m_aNullDate( rNullDate ) + , m_nTimeUnit( nTimeUnit ) + , m_bShifted( bShifted ) +{ +} + +InverseDateScaling::~InverseDateScaling() +{ +} + +double SAL_CALL InverseDateScaling::doScaling( double value ) + throw (uno::RuntimeException) +{ + double fResult(value); + if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) ) + ::rtl::math::setNan( & fResult ); + else + { + switch( m_nTimeUnit ) + { + case DAY: + if(m_bShifted) + value -= 0.5; + fResult = value; + break; + case YEAR: + case MONTH: + default: + //Date aDate(m_aNullDate); + if(m_bShifted) + { + if( YEAR==m_nTimeUnit ) + value -= 0.5*lcl_fNumberOfMonths; + else + value -= 0.5; + } + Date aDate; + double fYear = ::rtl::math::approxFloor(value/lcl_fNumberOfMonths); + double fMonth = ::rtl::math::approxFloor(value-(fYear*lcl_fNumberOfMonths)); + if( fMonth==0.0 ) + { + fYear--; + fMonth=12.0; + } + aDate.SetYear( static_cast<sal_uInt16>(fYear) ); + aDate.SetMonth( static_cast<sal_uInt16>(fMonth) ); + aDate.SetDay( 1 ); + double fMonthCount = (fYear*lcl_fNumberOfMonths)+fMonth; + double fDay = (value-fMonthCount)*aDate.GetDaysInMonth(); + fDay += 1.0; + aDate.SetDay( static_cast<sal_uInt16>(::rtl::math::round(fDay)) ); + fResult = aDate - m_aNullDate; + break; + } + } + return fResult; +} + +uno::Reference< XScaling > SAL_CALL InverseDateScaling::getInverseScaling() + throw (uno::RuntimeException) +{ + return new DateScaling( m_aNullDate, m_nTimeUnit, m_bShifted ); +} + +::rtl::OUString SAL_CALL InverseDateScaling::getServiceName() + throw (uno::RuntimeException) +{ + return lcl_aServiceName_InverseDateScaling; +} + +uno::Sequence< ::rtl::OUString > InverseDateScaling::getSupportedServiceNames_Static() +{ + return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_InverseDateScaling, 1 ); +} + +// implement XServiceInfo methods basing upon getSupportedServiceNames_Static +APPHELPER_XSERVICEINFO_IMPL( InverseDateScaling, lcl_aServiceName_InverseDateScaling ) + +//............................................................................. +} //namespace chart +//............................................................................. |