Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <com/sun/star/uno/Any.hxx>
      21             : #include <com/sun/star/uno/Sequence.hxx>
      22             : 
      23             : #include "unitconv.hxx"
      24             : #include "global.hxx"
      25             : #include "viewopti.hxx"
      26             : 
      27             : using namespace utl;
      28             : using namespace com::sun::star::uno;
      29             : 
      30             : const sal_Unicode cDelim = 0x01;        // Delimiter zwischen From und To
      31             : 
      32             : // ScUnitConverterData
      33           0 : ScUnitConverterData::ScUnitConverterData(
      34             :     const OUString& rFromUnit, const OUString& rToUnit, double fValue ) :
      35             :     maIndexString(BuildIndexString(rFromUnit, rToUnit)),
      36           0 :     mfValue(fValue) {}
      37             : 
      38           0 : ScUnitConverterData::ScUnitConverterData( const ScUnitConverterData& r ) :
      39             :     maIndexString(r.maIndexString),
      40           0 :     mfValue(r.mfValue) {}
      41             : 
      42           0 : ScUnitConverterData::~ScUnitConverterData() {}
      43             : 
      44           0 : double ScUnitConverterData::GetValue() const
      45             : {
      46           0 :     return mfValue;
      47             : }
      48             : 
      49           0 : const OUString& ScUnitConverterData::GetIndexString() const
      50             : {
      51           0 :     return maIndexString;
      52             : }
      53             : 
      54           0 : OUString ScUnitConverterData::BuildIndexString(
      55             :     const OUString& rFromUnit, const OUString& rToUnit )
      56             : {
      57           0 :     OUStringBuffer aBuf(rFromUnit);
      58           0 :     aBuf.append(cDelim);
      59           0 :     aBuf.append(rToUnit);
      60           0 :     return aBuf.makeStringAndClear();
      61             : }
      62             : 
      63             : // ScUnitConverter
      64             : #define CFGPATH_UNIT        "Office.Calc/UnitConversion"
      65             : #define CFGSTR_UNIT_FROM    "FromUnit"
      66             : #define CFGSTR_UNIT_TO      "ToUnit"
      67             : #define CFGSTR_UNIT_FACTOR  "Factor"
      68             : 
      69           0 : ScUnitConverter::ScUnitConverter()
      70             : {
      71             :     //  read from configuration - "convert.ini" is no longer used
      72             :     //! config item as member to allow change of values
      73             : 
      74           0 :     ScLinkConfigItem aConfigItem( OUString( CFGPATH_UNIT ) );
      75             : 
      76             :     // empty node name -> use the config item's path itself
      77           0 :     OUString aEmptyString;
      78           0 :     Sequence<OUString> aNodeNames = aConfigItem.GetNodeNames( aEmptyString );
      79             : 
      80           0 :     long nNodeCount = aNodeNames.getLength();
      81           0 :     if ( nNodeCount )
      82             :     {
      83           0 :         const OUString* pNodeArray = aNodeNames.getConstArray();
      84           0 :         Sequence<OUString> aValNames( nNodeCount * 3 );
      85           0 :         OUString* pValNameArray = aValNames.getArray();
      86           0 :         const OUString sSlash('/');
      87             : 
      88           0 :         long nIndex = 0;
      89           0 :         for (long i=0; i<nNodeCount; i++)
      90             :         {
      91           0 :             OUString sPrefix = pNodeArray[i];
      92           0 :             sPrefix += sSlash;
      93             : 
      94           0 :             pValNameArray[nIndex] = sPrefix;
      95           0 :             pValNameArray[nIndex++] += OUString( CFGSTR_UNIT_FROM );
      96           0 :             pValNameArray[nIndex] = sPrefix;
      97           0 :             pValNameArray[nIndex++] += OUString( CFGSTR_UNIT_TO );
      98           0 :             pValNameArray[nIndex] = sPrefix;
      99           0 :             pValNameArray[nIndex++] += OUString( CFGSTR_UNIT_FACTOR );
     100           0 :         }
     101             : 
     102           0 :         Sequence<Any> aProperties = aConfigItem.GetProperties(aValNames);
     103             : 
     104           0 :         if (aProperties.getLength() == aValNames.getLength())
     105             :         {
     106           0 :             const Any* pProperties = aProperties.getConstArray();
     107             : 
     108           0 :             OUString sFromUnit;
     109           0 :             OUString sToUnit;
     110           0 :             double fFactor = 0;
     111             : 
     112           0 :             nIndex = 0;
     113           0 :             for (long i=0; i<nNodeCount; i++)
     114             :             {
     115           0 :                 pProperties[nIndex++] >>= sFromUnit;
     116           0 :                 pProperties[nIndex++] >>= sToUnit;
     117           0 :                 pProperties[nIndex++] >>= fFactor;
     118             : 
     119           0 :                 ScUnitConverterData* pNew = new ScUnitConverterData( sFromUnit, sToUnit, fFactor );
     120           0 :                 OUString aIndex  = pNew->GetIndexString();
     121           0 :                 maData.insert(aIndex, pNew);
     122           0 :             }
     123           0 :         }
     124           0 :     }
     125           0 : }
     126             : 
     127           0 : ScUnitConverter::~ScUnitConverter() {}
     128             : 
     129           0 : bool ScUnitConverter::GetValue(
     130             :     double& fValue, const OUString& rFromUnit, const OUString& rToUnit ) const
     131             : {
     132           0 :     OUString aIndex = ScUnitConverterData::BuildIndexString(rFromUnit, rToUnit);
     133           0 :     MapType::const_iterator it = maData.find(aIndex);
     134           0 :     if (it == maData.end())
     135             :     {
     136           0 :         fValue = 1.0;
     137           0 :         return false;
     138             :     }
     139             : 
     140           0 :     fValue = it->second->GetValue();
     141           0 :     return true;
     142           0 : }
     143             : 
     144             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */