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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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
//.............................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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