xmloff/source/chart/SchXMLRegressionCurveObjectContext.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 "SchXMLRegressionCurveObjectContext.hxx"
  21
  22 #include <SchXMLImport.hxx>
  23
  24 #include <sax/tools/converter.hxx>
  25 #include <sal/log.hxx>
  26
  27 #include <utility>
  28 #include <xmloff/namespacemap.hxx>
  29 #include <xmloff/xmlnamespace.hxx>
  30 #include <xmloff/xmluconv.hxx>
  31 #include <xmloff/prstylei.hxx>
  32 #include <xmloff/xmlstyle.hxx>
  33
  34 #include <comphelper/processfactory.hxx>
  35
  36 #include <com/sun/star/awt/Point.hpp>
  37 #include <com/sun/star/chart2/RegressionEquation.hpp>
  38 #include <com/sun/star/chart2/RelativePosition.hpp>
  39 #include <com/sun/star/xml/sax/XAttributeList.hpp>
  40
  41 using namespace com::sun::star;
  42 using namespace xmloff::token;
  43
  44 SchXMLRegressionCurveObjectContext::SchXMLRegressionCurveObjectContext(
  45                                         SchXMLImportHelper& rImpHelper,
  46                                         SvXMLImport& rImport,
  47                                         std::vector< RegressionStyle >& rRegressionStyleVector,
  48                                         css::uno::Reference<
  49                                                     css::chart2::XDataSeries > xSeries,
  50                                         const awt::Size & rChartSize) :
  51     SvXMLImportContext( rImport ),
  52     mrImportHelper( rImpHelper ),
  53     mxSeries(std::move( xSeries )),
  54     maChartSize( rChartSize ),
  55     mrRegressionStyleVector( rRegressionStyleVector )
  56 {
  57 }
  58
  59 SchXMLRegressionCurveObjectContext::~SchXMLRegressionCurveObjectContext()
  60 {
  61 }
  62
  63 void SchXMLRegressionCurveObjectContext::startFastElement (sal_Int32 /*nElement*/,
  64         const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList)
  65 {
  66     OUString sAutoStyleName;
  67     for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
  68     {
  69         if (aIter.getToken() == XML_ELEMENT(CHART, XML_STYLE_NAME) )
  70             sAutoStyleName = aIter.toString();
  71         else
  72             XMLOFF_WARN_UNKNOWN("xmloff", aIter);
  73     }
  74
  75     RegressionStyle aStyle( mxSeries, sAutoStyleName );
  76     mrRegressionStyleVector.push_back( aStyle );
  77 }
  78
  79 css::uno::Reference< css::xml::sax::XFastContextHandler > SchXMLRegressionCurveObjectContext::createFastChildContext(
  80     sal_Int32 nElement,
  81     const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )
  82 {
  83     if( nElement == XML_ELEMENT(CHART, XML_EQUATION) )
  84     {
  85         return new SchXMLEquationContext(
  86             mrImportHelper, GetImport(), maChartSize, mrRegressionStyleVector.back());
  87     }
  88     else
  89         XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
  90     return nullptr;
  91 }
  92
  93 SchXMLEquationContext::SchXMLEquationContext(
  94     SchXMLImportHelper& rImpHelper,
  95     SvXMLImport& rImport,
  96     const awt::Size& rChartSize,
  97     RegressionStyle& rRegressionStyle ) :
  98         SvXMLImportContext( rImport ),
  99         mrImportHelper( rImpHelper ),
 100         mrRegressionStyle( rRegressionStyle ),
 101         maChartSize( rChartSize )
 102 {}
 103
 104 SchXMLEquationContext::~SchXMLEquationContext()
 105 {}
 106
 107 void SchXMLEquationContext::startFastElement (sal_Int32 /*nElement*/,
 108         const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList)
 109 {
 110     // parse attributes
 111     SchXMLImport& rImport = static_cast< SchXMLImport& >(GetImport());
 112     OUString sAutoStyleName;
 113     bool bShowEquation = true;
 114     bool bShowRSquare = false;
 115     awt::Point aPosition;
 116     bool bHasXPos = false;
 117     bool bHasYPos = false;
 118
 119     for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
 120     {
 121         switch(aIter.getToken())
 122         {
 123             case XML_ELEMENT(SVG, XML_X):
 124             case XML_ELEMENT(SVG_COMPAT, XML_X):
 125                 rImport.GetMM100UnitConverter().convertMeasureToCore(
 126                         aPosition.X, aIter.toView() );
 127                 bHasXPos = true;
 128                 break;
 129             case XML_ELEMENT(SVG, XML_Y):
 130             case XML_ELEMENT(SVG_COMPAT, XML_Y):
 131                 rImport.GetMM100UnitConverter().convertMeasureToCore(
 132                         aPosition.Y, aIter.toView() );
 133                 bHasYPos = true;
 134                 break;
 135             case XML_ELEMENT(CHART, XML_DISPLAY_EQUATION):
 136                 (void)::sax::Converter::convertBool(bShowEquation, aIter.toView());
 137                 break;
 138             case XML_ELEMENT(CHART, XML_DISPLAY_R_SQUARE):
 139                 (void)::sax::Converter::convertBool(bShowRSquare, aIter.toView());
 140                 break;
 141             case XML_ELEMENT(CHART, XML_STYLE_NAME):
 142                 sAutoStyleName = aIter.toString();
 143                 break;
 144             default:
 145                 XMLOFF_WARN_UNKNOWN("xmloff", aIter);
 146         }
 147     }
 148
 149     if( sAutoStyleName.isEmpty() && !bShowEquation && !bShowRSquare )
 150         return;
 151
 152     uno::Reference< beans::XPropertySet > xEquationProperties = chart2::RegressionEquation::create( comphelper::getProcessComponentContext() );
 153
 154     if( !sAutoStyleName.isEmpty() )
 155     {
 156         const SvXMLStylesContext* pStylesCtxt = mrImportHelper.GetAutoStylesContext();
 157         if( pStylesCtxt )
 158         {
 159             const SvXMLStyleContext* pStyle = pStylesCtxt->FindStyleChildContext(
 160                 SchXMLImportHelper::GetChartFamilyID(), sAutoStyleName );
 161
 162             XMLPropStyleContext* pPropStyleContext =
 163                 const_cast< XMLPropStyleContext* >( dynamic_cast< const XMLPropStyleContext* >( pStyle ));
 164
 165             if( pPropStyleContext )
 166                 pPropStyleContext->FillPropertySet( xEquationProperties );
 167         }
 168     }
 169     xEquationProperties->setPropertyValue( "ShowEquation", uno::Any( bShowEquation ));
 170     xEquationProperties->setPropertyValue( "ShowCorrelationCoefficient", uno::Any( bShowRSquare ));
 171
 172     if( bHasXPos && bHasYPos )
 173     {
 174         chart2::RelativePosition aRelPos;
 175         aRelPos.Primary = static_cast< double >( aPosition.X ) / static_cast< double >( maChartSize.Width );
 176         aRelPos.Secondary = static_cast< double >( aPosition.Y ) / static_cast< double >( maChartSize.Height );
 177         xEquationProperties->setPropertyValue( "RelativePosition", uno::Any( aRelPos ));
 178     }
 179     mrRegressionStyle.m_xEquationProperties.set( xEquationProperties );
 180 }
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */