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/*************************************************************************
*
* 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 "StatisticsHelper.hxx"
#include "DataSeriesHelper.hxx"
#include "ErrorBar.hxx"
#include "macros.hxx"
#include <rtl/math.hxx>
#include <rtl/ustrbuf.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/chart2/data/XLabeledDataSequence.hpp>
#include <com/sun/star/chart2/data/XNumericalDataSequence.hpp>
#include <com/sun/star/chart2/data/XDataSink.hpp>
#include <com/sun/star/chart/ErrorBarStyle.hpp>
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Reference;
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
using namespace ::com::sun::star;
namespace
{
double lcl_getVariance( const Sequence< double > & rData, sal_Int32 & rOutValidCount,
bool bUnbiasedEstimator )
{
const sal_Int32 nCount = rData.getLength();
rOutValidCount = nCount;
double fSum = 0.0;
double fQuadSum = 0.0;
for( sal_Int32 i = 0; i < nCount; ++i )
{
const double fData = rData[i];
if( ::rtl::math::isNan( fData ))
--rOutValidCount;
else
{
fSum += fData;
fQuadSum += fData * fData;
}
}
double fResult;
if( rOutValidCount == 0 )
::rtl::math::setNan( & fResult );
else
{
const double fN = static_cast< double >( rOutValidCount );
if( bUnbiasedEstimator )
fResult = (fQuadSum - fSum*fSum/fN) / (fN - 1);
else
fResult = (fQuadSum - fSum*fSum/fN) / fN;
}
return fResult;
}
Reference< chart2::data::XLabeledDataSequence > lcl_getErrorBarLabeledSequence(
const Reference< chart2::data::XDataSource > & xDataSource,
bool bPositiveValue, bool bYError,
OUString & rOutRoleNameUsed )
{
OUStringBuffer aRole( C2U("error-bars-"));
if( bYError )
aRole.append( sal_Unicode( 'y' ));
else
aRole.append( sal_Unicode( 'x' ));
OUString aPlainRole = aRole.makeStringAndClear();
aRole.append( aPlainRole );
aRole.append( sal_Unicode( '-' ));
if( bPositiveValue )
aRole = aRole.appendAscii( "positive" );
else
aRole = aRole.appendAscii( "negative" );
OUString aLongRole = aRole.makeStringAndClear();
Reference< chart2::data::XLabeledDataSequence > xLSeq(
::chart::DataSeriesHelper::getDataSequenceByRole( xDataSource, aLongRole ));
// try role without "-negative" or "-positive" postfix
if( xLSeq.is())
rOutRoleNameUsed = aLongRole;
else
{
xLSeq.set( ::chart::DataSeriesHelper::getDataSequenceByRole( xDataSource, aPlainRole ));
if( xLSeq.is())
rOutRoleNameUsed = aPlainRole;
else
rOutRoleNameUsed = aLongRole;
}
return xLSeq;
}
void lcl_setRole(
const Reference< chart2::data::XDataSequence > & xNewSequence,
const OUString & rRole )
{
Reference< beans::XPropertySet > xSeqProp( xNewSequence, uno::UNO_QUERY );
if( xSeqProp.is())
xSeqProp->setPropertyValue( C2U("Role"), uno::makeAny( rRole ));
}
void lcl_addSequenceToDataSource(
const Reference< chart2::data::XDataSource > & xDataSource,
const Reference< chart2::data::XDataSequence > & xNewSequence,
const OUString & rRole )
{
Reference< chart2::data::XDataSink > xSink( xDataSource, uno::UNO_QUERY );
Reference< lang::XMultiServiceFactory > xFact( comphelper::getProcessServiceFactory(), uno::UNO_QUERY_THROW );
if( ! ( xFact.is() && xSink.is() ))
return;
Reference< chart2::data::XLabeledDataSequence > xLSeq(
xFact->createInstance( C2U("com.sun.star.chart2.data.LabeledDataSequence")), uno::UNO_QUERY );
if( xLSeq.is())
{
lcl_setRole( xNewSequence, rRole );
xLSeq->setValues( xNewSequence );
Sequence< Reference< chart2::data::XLabeledDataSequence > > aSequences(
xDataSource->getDataSequences());
aSequences.realloc( aSequences.getLength() + 1 );
aSequences[ aSequences.getLength() - 1 ] = xLSeq;
xSink->setData( aSequences );
}
}
void lcl_setXMLRangePropertyAtDataSequence(
const Reference< chart2::data::XDataSequence > & xDataSequence,
const OUString & rXMLRange )
{
try
{
const OUString aXMLRangePropName( C2U( "CachedXMLRange" ));
Reference< beans::XPropertySet > xProp( xDataSequence, uno::UNO_QUERY_THROW );
Reference< beans::XPropertySetInfo > xInfo( xProp->getPropertySetInfo());
if( xInfo.is() && xInfo->hasPropertyByName( aXMLRangePropName ))
xProp->setPropertyValue( aXMLRangePropName, uno::makeAny( rXMLRange ));
}
catch( const uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
} // anonymous namespace
namespace chart
{
// static
double StatisticsHelper::getVariance(
const Sequence< double > & rData,
bool bUnbiasedEstimator /* = false */ )
{
sal_Int32 nValCount;
return lcl_getVariance( rData, nValCount, bUnbiasedEstimator );
}
// static
double StatisticsHelper::getStandardDeviation( const Sequence< double > & rData )
{
double fResult = getVariance( rData );
if( ! ::rtl::math::isNan( fResult ))
fResult = sqrt( fResult );
return fResult;
}
// static
double StatisticsHelper::getStandardError( const Sequence< double > & rData )
{
sal_Int32 nValCount;
double fVar = lcl_getVariance( rData, nValCount, false );
double fResult;
if( nValCount == 0 ||
::rtl::math::isNan( fVar ))
{
::rtl::math::setNan( & fResult );
}
else
{
// standard-deviation / sqrt(n)
fResult = sqrt( fVar ) / sqrt( double(nValCount) );
}
return fResult;
}
// static
Reference< chart2::data::XLabeledDataSequence > StatisticsHelper::getErrorLabeledDataSequenceFromDataSource(
const Reference< chart2::data::XDataSource > & xDataSource,
bool bPositiveValue,
bool bYError /* = true */ )
{
Reference< chart2::data::XLabeledDataSequence > xResult;
if( !xDataSource.is())
return xResult;
OUString aRole;
Reference< chart2::data::XLabeledDataSequence > xLSeq(
lcl_getErrorBarLabeledSequence( xDataSource, bPositiveValue, bYError, aRole ));
if( xLSeq.is())
xResult.set( xLSeq );
return xResult;
}
// static
Reference< chart2::data::XDataSequence > StatisticsHelper::getErrorDataSequenceFromDataSource(
const Reference< chart2::data::XDataSource > & xDataSource,
bool bPositiveValue,
bool bYError /* = true */ )
{
Reference< chart2::data::XLabeledDataSequence > xLSeq(
StatisticsHelper::getErrorLabeledDataSequenceFromDataSource(
xDataSource, bPositiveValue,
bYError ));
if( !xLSeq.is())
return Reference< chart2::data::XDataSequence >();
return xLSeq->getValues();
}
// static
double StatisticsHelper::getErrorFromDataSource(
const Reference< chart2::data::XDataSource > & xDataSource,
sal_Int32 nIndex,
bool bPositiveValue,
bool bYError /* = true */ )
{
double fResult = 0.0;
::rtl::math::setNan( & fResult );
Reference< chart2::data::XDataSequence > xValues(
StatisticsHelper::getErrorDataSequenceFromDataSource( xDataSource, bPositiveValue, bYError ));
Reference< chart2::data::XNumericalDataSequence > xNumValues( xValues, uno::UNO_QUERY );
if( xNumValues.is())
{
Sequence< double > aData( xNumValues->getNumericalData());
if( nIndex < aData.getLength())
fResult = aData[nIndex];
}
else if( xValues.is())
{
Sequence< uno::Any > aData( xValues->getData());
if( nIndex < aData.getLength())
aData[nIndex] >>= fResult;
}
return fResult;
}
// static
void StatisticsHelper::setErrorDataSequence(
const Reference< chart2::data::XDataSource > & xDataSource,
const Reference< chart2::data::XDataProvider > & xDataProvider,
const OUString & rNewRange,
bool bPositiveValue,
bool bYError /* = true */,
OUString * pXMLRange /* = 0 */ )
{
Reference< chart2::data::XDataSink > xDataSink( xDataSource, uno::UNO_QUERY );
if( ! ( xDataSink.is() && xDataProvider.is()))
return;
OUString aRole;
Reference< chart2::data::XLabeledDataSequence > xLSeq(
lcl_getErrorBarLabeledSequence( xDataSource, bPositiveValue, bYError, aRole ));
Reference< chart2::data::XDataSequence > xNewSequence(
xDataProvider->createDataSequenceByRangeRepresentation( rNewRange ));
if( xNewSequence.is())
{
if( pXMLRange )
lcl_setXMLRangePropertyAtDataSequence( xNewSequence, *pXMLRange );
if( xLSeq.is())
{
lcl_setRole( xNewSequence, aRole );
xLSeq->setValues( xNewSequence );
}
else
lcl_addSequenceToDataSource( xDataSource, xNewSequence, aRole );
}
}
// static
Reference< beans::XPropertySet > StatisticsHelper::addErrorBars(
const Reference< chart2::XDataSeries > & xDataSeries,
const Reference< uno::XComponentContext > & xContext,
sal_Int32 nStyle,
bool bYError /* = true */ )
{
Reference< beans::XPropertySet > xErrorBar;
Reference< beans::XPropertySet > xSeriesProp( xDataSeries, uno::UNO_QUERY );
if( !xSeriesProp.is())
return xErrorBar;
const OUString aPropName( bYError ? C2U("ErrorBarY") : C2U("ErrorBarX"));
if( !( xSeriesProp->getPropertyValue( aPropName ) >>= xErrorBar ) ||
!xErrorBar.is())
{
xErrorBar.set( createErrorBar( xContext ));
}
OSL_ASSERT( xErrorBar.is());
if( xErrorBar.is())
{
xErrorBar->setPropertyValue( C2U("ErrorBarStyle"), uno::makeAny( nStyle ));
}
xSeriesProp->setPropertyValue( aPropName, uno::makeAny( xErrorBar ));
return xErrorBar;
}
// static
Reference< beans::XPropertySet > StatisticsHelper::getErrorBars(
const Reference< chart2::XDataSeries > & xDataSeries,
bool bYError /* = true */ )
{
Reference< beans::XPropertySet > xSeriesProp( xDataSeries, uno::UNO_QUERY );
Reference< beans::XPropertySet > xErrorBar;
const OUString aPropName( bYError ? C2U("ErrorBarY") : C2U("ErrorBarX"));
if ( xSeriesProp.is())
xSeriesProp->getPropertyValue( aPropName ) >>= xErrorBar;
return xErrorBar;
}
// static
bool StatisticsHelper::hasErrorBars(
const Reference< chart2::XDataSeries > & xDataSeries,
bool bYError /* = true */ )
{
Reference< beans::XPropertySet > xErrorBar( getErrorBars( xDataSeries, bYError ));
sal_Int32 nStyle = ::com::sun::star::chart::ErrorBarStyle::NONE;
return ( xErrorBar.is() &&
( xErrorBar->getPropertyValue( C2U("ErrorBarStyle")) >>= nStyle ) &&
nStyle != ::com::sun::star::chart::ErrorBarStyle::NONE );
}
// static
void StatisticsHelper::removeErrorBars(
const Reference< chart2::XDataSeries > & xDataSeries,
bool bYError /* = true */ )
{
Reference< beans::XPropertySet > xErrorBar( getErrorBars( xDataSeries, bYError ));
if ( xErrorBar.is())
xErrorBar->setPropertyValue( C2U("ErrorBarStyle"), uno::makeAny(
::com::sun::star::chart::ErrorBarStyle::NONE ));
}
// static
bool StatisticsHelper::usesErrorBarRanges(
const Reference< chart2::XDataSeries > & xDataSeries,
bool bYError /* = true */ )
{
Reference< beans::XPropertySet > xErrorBar( getErrorBars( xDataSeries, bYError ));
sal_Int32 nStyle = ::com::sun::star::chart::ErrorBarStyle::NONE;
return ( xErrorBar.is() &&
( xErrorBar->getPropertyValue( C2U("ErrorBarStyle")) >>= nStyle ) &&
nStyle == ::com::sun::star::chart::ErrorBarStyle::FROM_DATA );
}
} // namespace chart
|
