oox/source/drawingml/chart/chartconverter.cxx

   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 "oox/drawingml/chart/chartconverter.hxx"
  21
  22 #include <com/sun/star/chart2/XChartDocument.hpp>
  23 #include "oox/drawingml/chart/chartspaceconverter.hxx"
  24 #include "oox/drawingml/chart/chartspacemodel.hxx"
  25 #include "oox/helper/containerhelper.hxx"
  26 #include "oox/core/xmlfilterbase.hxx"
  27
  28 using ::oox::drawingml::chart::DataSequenceModel;
  29 using ::com::sun::star::uno::Any;
  30 namespace oox {
  31 namespace drawingml {
  32 namespace chart {
  33
  34 // ============================================================================
  35
  36 using namespace ::com::sun::star;
  37 using namespace ::com::sun::star::chart2;
  38 using namespace ::com::sun::star::chart2::data;
  39 using namespace ::com::sun::star::drawing;
  40 using namespace ::com::sun::star::uno;
  41
  42 using ::oox::core::XmlFilterBase;
  43
  44 // ============================================================================
  45
  46 static const sal_Unicode API_TOKEN_ARRAY_OPEN      = '{';
  47 static const sal_Unicode API_TOKEN_ARRAY_CLOSE     = '}';
  48 static const sal_Unicode API_TOKEN_ARRAY_ROWSEP    = '|';
  49 static const sal_Unicode API_TOKEN_ARRAY_COLSEP    = ';';
  50
  51 // Code similar to oox/source/xls/formulabase.cxx
  52 static OUString lclGenerateApiString( const OUString& rString )
  53 {
  54     OUString aRetString = rString;
  55     sal_Int32 nQuotePos = aRetString.getLength();
  56     while( (nQuotePos = aRetString.lastIndexOf( '"', nQuotePos )) >= 0 )
  57         aRetString = aRetString.replaceAt( nQuotePos, 1, "\"\"" );
  58     return OUStringBuffer().append( sal_Unicode( '"' ) ).append( aRetString ).append( sal_Unicode( '"' ) ).makeStringAndClear();
  59 }
  60
  61 static OUString lclGenerateApiArray( const Matrix< Any >& rMatrix )
  62 {
  63     OSL_ENSURE( !rMatrix.empty(), "ChartConverter::lclGenerateApiArray - missing matrix values" );
  64     OUStringBuffer aBuffer;
  65     aBuffer.append( API_TOKEN_ARRAY_OPEN );
  66     for( size_t nRow = 0, nHeight = rMatrix.height(); nRow < nHeight; ++nRow )
  67     {
  68         if( nRow > 0 )
  69             aBuffer.append( API_TOKEN_ARRAY_ROWSEP );
  70         for( Matrix< Any >::const_iterator aBeg = rMatrix.row_begin( nRow ), aIt = aBeg, aEnd = rMatrix.row_end( nRow ); aIt != aEnd; ++aIt )
  71         {
  72             double fValue = 0.0;
  73             OUString aString;
  74             if( aIt != aBeg )
  75                 aBuffer.append( API_TOKEN_ARRAY_COLSEP );
  76             if( *aIt >>= fValue )
  77                 aBuffer.append( fValue );
  78             else if( *aIt >>= aString )
  79                 aBuffer.append( lclGenerateApiString( aString ) );
  80             else
  81                 aBuffer.appendAscii( "\"\"" );
  82         }
  83     }
  84     aBuffer.append( API_TOKEN_ARRAY_CLOSE );
  85     return aBuffer.makeStringAndClear();
  86 }
  87
  88 // ============================================================================
  89
  90 ChartConverter::ChartConverter()
  91 {
  92 }
  93
  94 ChartConverter::~ChartConverter()
  95 {
  96 }
  97
  98 void ChartConverter::convertFromModel( XmlFilterBase& rFilter,
  99         ChartSpaceModel& rChartModel, const Reference< XChartDocument >& rxChartDoc,
 100         const Reference< XShapes >& rxExternalPage, const awt::Point& rChartPos, const awt::Size& rChartSize )
 101 {
 102     OSL_ENSURE( rxChartDoc.is(), "ChartConverter::convertFromModel - missing chart document" );
 103     if( rxChartDoc.is() )
 104     {
 105         ConverterRoot aConvBase( rFilter, *this, rChartModel, rxChartDoc, rChartSize );
 106         ChartSpaceConverter aSpaceConv( aConvBase, rChartModel );
 107         aSpaceConv.convertFromModel( rxExternalPage, rChartPos );
 108     }
 109 }
 110
 111 void ChartConverter::createDataProvider( const Reference< XChartDocument >& rxChartDoc )
 112 {
 113     try
 114     {
 115         if( !rxChartDoc->hasInternalDataProvider() )
 116             rxChartDoc->createInternalDataProvider( sal_False );
 117     }
 118     catch( Exception& )
 119     {
 120     }
 121 }
 122
 123 Reference< XDataSequence > ChartConverter::createDataSequence( const Reference< XDataProvider >& rxDataProvider, const DataSequenceModel& rDataSeq )
 124 {
 125     Reference< XDataSequence > xDataSeq;
 126     if( rxDataProvider.is() )
 127     {
 128         OUString aRangeRep;
 129         if( !rDataSeq.maData.empty() )
 130         {
 131             // create a single-row array from constant source data
 132             Matrix< Any > aMatrix( rDataSeq.maData.size(), 1 );
 133             Matrix< Any >::iterator aMIt = aMatrix.begin();
 134             // TODO: how to handle missing values in the map?
 135             for( DataSequenceModel::AnyMap::const_iterator aDIt = rDataSeq.maData.begin(), aDEnd = rDataSeq.maData.end(); aDIt != aDEnd; ++aDIt, ++aMIt )
 136                 *aMIt = aDIt->second;
 137             aRangeRep = lclGenerateApiArray( aMatrix );
 138         }
 139
 140         if( !aRangeRep.isEmpty() ) try
 141         {
 142             // create the data sequence
 143             xDataSeq = rxDataProvider->createDataSequenceByRangeRepresentation( aRangeRep );
 144             return xDataSeq;
 145         }
 146         catch( Exception& )
 147         {
 148             OSL_FAIL( "ChartConverter::createDataSequence - cannot create data sequence" );
 149         }
 150     }
 151
 152     return 0;
 153 }
 154
 155 // ============================================================================
 156
 157 } // namespace chart
 158 } // namespace drawingml
 159 } // namespace oox
 160
 161 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */