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libreoffice/sc/source/core/tool/unitconv.cxx
2011-01-18 11:44:43 -05:00

180 lines
5.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include "unitconv.hxx"
#include "global.hxx"
#include "viewopti.hxx" //! move ScLinkConfigItem to separate header!
using namespace utl;
using namespace rtl;
using namespace com::sun::star::uno;
// --------------------------------------------------------------------
const sal_Unicode cDelim = 0x01; // Delimiter zwischen From und To
// --- ScUnitConverterData --------------------------------------------
ScUnitConverterData::ScUnitConverterData( const String& rFromUnit,
const String& rToUnit, double fVal )
:
StrData( rFromUnit ),
fValue( fVal )
{
String aTmp;
ScUnitConverterData::BuildIndexString( aTmp, rFromUnit, rToUnit );
SetString( aTmp );
}
ScUnitConverterData::ScUnitConverterData( const ScUnitConverterData& r )
:
StrData( r ),
fValue( r.fValue )
{
}
ScDataObject* ScUnitConverterData::Clone() const
{
return new ScUnitConverterData( *this );
}
void ScUnitConverterData::BuildIndexString( String& rStr,
const String& rFromUnit, const String& rToUnit )
{
#if 1
// case sensitive
rStr = rFromUnit;
rStr += cDelim;
rStr += rToUnit;
#else
// not case sensitive
rStr = rFromUnit;
String aTo( rToUnit );
ScGlobal::pCharClass->toUpper( rStr );
ScGlobal::pCharClass->toUpper( aTo );
rStr += cDelim;
rStr += aTo;
#endif
}
// --- ScUnitConverter ------------------------------------------------
#define CFGPATH_UNIT "Office.Calc/UnitConversion"
#define CFGSTR_UNIT_FROM "FromUnit"
#define CFGSTR_UNIT_TO "ToUnit"
#define CFGSTR_UNIT_FACTOR "Factor"
ScUnitConverter::ScUnitConverter( USHORT nInit, USHORT nDeltaP ) :
ScStrCollection( nInit, nDeltaP, FALSE )
{
// read from configuration - "convert.ini" is no longer used
//! config item as member to allow change of values
ScLinkConfigItem aConfigItem( OUString(RTL_CONSTASCII_USTRINGPARAM( CFGPATH_UNIT )) );
// empty node name -> use the config item's path itself
OUString aEmptyString;
Sequence<OUString> aNodeNames = aConfigItem.GetNodeNames( aEmptyString );
long nNodeCount = aNodeNames.getLength();
if ( nNodeCount )
{
const OUString* pNodeArray = aNodeNames.getConstArray();
Sequence<OUString> aValNames( nNodeCount * 3 );
OUString* pValNameArray = aValNames.getArray();
const OUString sSlash('/');
long nIndex = 0;
for (long i=0; i<nNodeCount; i++)
{
OUString sPrefix = pNodeArray[i];
sPrefix += sSlash;
pValNameArray[nIndex] = sPrefix;
pValNameArray[nIndex++] += OUString(RTL_CONSTASCII_USTRINGPARAM( CFGSTR_UNIT_FROM ));
pValNameArray[nIndex] = sPrefix;
pValNameArray[nIndex++] += OUString(RTL_CONSTASCII_USTRINGPARAM( CFGSTR_UNIT_TO ));
pValNameArray[nIndex] = sPrefix;
pValNameArray[nIndex++] += OUString(RTL_CONSTASCII_USTRINGPARAM( CFGSTR_UNIT_FACTOR ));
}
Sequence<Any> aProperties = aConfigItem.GetProperties(aValNames);
if (aProperties.getLength() == aValNames.getLength())
{
const Any* pProperties = aProperties.getConstArray();
OUString sFromUnit;
OUString sToUnit;
double fFactor = 0;
nIndex = 0;
for (long i=0; i<nNodeCount; i++)
{
pProperties[nIndex++] >>= sFromUnit;
pProperties[nIndex++] >>= sToUnit;
pProperties[nIndex++] >>= fFactor;
ScUnitConverterData* pNew = new ScUnitConverterData( sFromUnit, sToUnit, fFactor );
if ( !Insert( pNew ) )
delete pNew;
}
}
}
}
BOOL ScUnitConverter::GetValue( double& fValue, const String& rFromUnit,
const String& rToUnit ) const
{
ScUnitConverterData aSearch( rFromUnit, rToUnit );
USHORT nIndex;
if ( Search( &aSearch, nIndex ) )
{
fValue = ((const ScUnitConverterData*)(At( nIndex )))->GetValue();
return TRUE;
}
fValue = 1.0;
return FALSE;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */