Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 900 insertions, 0 deletions

diff --git a/xmloff/source/chart/SchXMLAxisContext.cxx b/xmloff/source/chart/SchXMLAxisContext.cxx
new file mode 100644
index 000000000..ad8b187f8
--- /dev/null
+++ b/xmloff/source/chart/SchXMLAxisContext.cxx
@@ -0,0 +1,900 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sax/tools/converter.hxx>
+
+#include "SchXMLAxisContext.hxx"
+#include "SchXMLChartContext.hxx"
+#include "SchXMLTools.hxx"
+#include <xmloff/xmlimp.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmlement.hxx>
+#include <xmloff/xmlstyle.hxx>
+#include <xmloff/prstylei.hxx>
+#include <xmloff/namespacemap.hxx>
+#include <xmloff/xmluconv.hxx>
+
+#include <rtl/math.hxx>
+#include <tools/color.hxx>
+#include <sal/log.hxx>
+
+#include <com/sun/star/chart/ChartAxisLabelPosition.hpp>
+#include <com/sun/star/chart/ChartAxisMarkPosition.hpp>
+#include <com/sun/star/chart/ChartAxisPosition.hpp>
+#include <com/sun/star/chart/ChartAxisType.hpp>
+#include <com/sun/star/chart/TimeIncrement.hpp>
+#include <com/sun/star/chart/TimeInterval.hpp>
+#include <com/sun/star/chart/TimeUnit.hpp>
+#include <com/sun/star/chart/XAxis.hpp>
+#include <com/sun/star/chart/XAxisSupplier.hpp>
+#include <com/sun/star/chart/XChartDocument.hpp>
+#include <com/sun/star/chart2/AxisType.hpp>
+#include <com/sun/star/chart2/XChartDocument.hpp>
+#include <com/sun/star/chart2/XCoordinateSystemContainer.hpp>
+
+#include <com/sun/star/drawing/LineStyle.hpp>
+
+using namespace ::xmloff::token;
+using namespace com::sun::star;
+
+using com::sun::star::uno::Reference;
+
+const SvXMLEnumMapEntry<SchXMLAxisDimension> aXMLAxisDimensionMap[] =
+{
+    { XML_X,  SCH_XML_AXIS_X  },
+    { XML_Y,  SCH_XML_AXIS_Y  },
+    { XML_Z,  SCH_XML_AXIS_Z  },
+    { XML_TOKEN_INVALID, SchXMLAxisDimension(0) }
+};
+
+const SvXMLEnumMapEntry<sal_uInt16> aXMLAxisTypeMap[] =
+{
+    { XML_AUTO,  css::chart::ChartAxisType::AUTOMATIC },
+    { XML_TEXT,  css::chart::ChartAxisType::CATEGORY },
+    { XML_DATE,  css::chart::ChartAxisType::DATE },
+    { XML_TOKEN_INVALID, 0 }
+};
+
+namespace {
+
+class SchXMLCategoriesContext : public SvXMLImportContext
+{
+private:
+    OUString& mrAddress;
+
+public:
+    SchXMLCategoriesContext( SvXMLImport& rImport,
+                                   OUString& rAddress );
+    virtual void SAL_CALL startFastElement( sal_Int32 nElement,
+        const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override;
+};
+
+class DateScaleContext : public SvXMLImportContext
+{
+public:
+    DateScaleContext( SvXMLImport& rImport,
+                        const Reference< beans::XPropertySet >& rAxisProps );
+
+    virtual void SAL_CALL startFastElement( sal_Int32 nElement,
+        const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override;
+
+private:
+    Reference< beans::XPropertySet > m_xAxisProps;
+};
+
+}
+
+SchXMLAxisContext::SchXMLAxisContext( SchXMLImportHelper& rImpHelper,
+                                      SvXMLImport& rImport,
+                                      Reference< chart::XDiagram > const & xDiagram,
+                                      std::vector< SchXMLAxis >& rAxes,
+                                      OUString & rCategoriesAddress,
+                                      bool bAddMissingXAxisForNetCharts,
+                                      bool bAdaptWrongPercentScaleValues,
+                                      bool bAdaptXAxisOrientationForOld2DBarCharts,
+                                      bool& rbAxisPositionAttributeImported ) :
+        SvXMLImportContext( rImport ),
+        m_rImportHelper( rImpHelper ),
+        m_xDiagram( xDiagram ),
+        m_rAxes( rAxes ),
+        m_rCategoriesAddress( rCategoriesAddress ),
+        m_nAxisType(chart::ChartAxisType::AUTOMATIC),
+        m_bAxisTypeImported(false),
+        m_bDateScaleImported(false),
+        m_bAddMissingXAxisForNetCharts( bAddMissingXAxisForNetCharts ),
+        m_bAdaptWrongPercentScaleValues( bAdaptWrongPercentScaleValues ),
+        m_bAdaptXAxisOrientationForOld2DBarCharts( bAdaptXAxisOrientationForOld2DBarCharts ),
+        m_rbAxisPositionAttributeImported( rbAxisPositionAttributeImported )
+{
+}
+
+SchXMLAxisContext::~SchXMLAxisContext()
+{}
+
+static Reference< chart::XAxis > lcl_getChartAxis(const SchXMLAxis& rCurrentAxis, const Reference< chart::XDiagram >& rDiagram )
+{
+    Reference< chart::XAxis > xAxis;
+    Reference< chart::XAxisSupplier > xAxisSuppl( rDiagram, uno::UNO_QUERY );
+    if( !xAxisSuppl.is() )
+        return xAxis;
+    if( rCurrentAxis.nAxisIndex == 0 )
+        xAxis = xAxisSuppl->getAxis(rCurrentAxis.eDimension);
+    else
+        xAxis = xAxisSuppl->getSecondaryAxis(rCurrentAxis.eDimension);
+    return xAxis;
+}
+
+/* returns a shape for the current axis's title. The property
+   "Has...AxisTitle" is set to "True" to get the shape
+ */
+Reference< drawing::XShape > SchXMLAxisContext::getTitleShape() const
+{
+    Reference< drawing::XShape > xResult;
+    Reference< beans::XPropertySet > xDiaProp( m_rImportHelper.GetChartDocument()->getDiagram(), uno::UNO_QUERY );
+    Reference< chart::XAxis > xAxis( lcl_getChartAxis( m_aCurrentAxis, m_xDiagram ) );
+    if( !xDiaProp.is() || !xAxis.is() )
+        return xResult;
+
+    OUString aPropName;
+    switch( m_aCurrentAxis.eDimension )
+    {
+        case SCH_XML_AXIS_X:
+            if( m_aCurrentAxis.nAxisIndex == 0 )
+                aPropName = "HasXAxisTitle";
+            else
+                aPropName = "HasSecondaryXAxisTitle";
+            break;
+        case SCH_XML_AXIS_Y:
+            if( m_aCurrentAxis.nAxisIndex == 0 )
+                aPropName = "HasYAxisTitle";
+            else
+                aPropName = "HasSecondaryYAxisTitle";
+            break;
+        case SCH_XML_AXIS_Z:
+            aPropName = "HasZAxisTitle";
+            break;
+        case SCH_XML_AXIS_UNDEF:
+            SAL_INFO("xmloff.chart", "Invalid axis" );
+            break;
+    }
+    xDiaProp->setPropertyValue( aPropName, uno::Any(true) );
+    xResult.set( xAxis->getAxisTitle(), uno::UNO_QUERY );
+    return xResult;
+}
+
+void SchXMLAxisContext::CreateGrid( const OUString& sAutoStyleName, bool bIsMajor )
+{
+    Reference< beans::XPropertySet > xDiaProp( m_rImportHelper.GetChartDocument()->getDiagram(), uno::UNO_QUERY );
+    Reference< chart::XAxis > xAxis( lcl_getChartAxis( m_aCurrentAxis, m_xDiagram ) );
+    if( !xDiaProp.is() || !xAxis.is() )
+        return;
+
+    OUString aPropName;
+    switch( m_aCurrentAxis.eDimension )
+    {
+        case SCH_XML_AXIS_X:
+            if( bIsMajor )
+                aPropName = "HasXAxisGrid";
+            else
+                aPropName = "HasXAxisHelpGrid";
+            break;
+        case SCH_XML_AXIS_Y:
+            if( bIsMajor )
+                aPropName = "HasYAxisGrid";
+            else
+                aPropName = "HasYAxisHelpGrid";
+            break;
+        case SCH_XML_AXIS_Z:
+            if( bIsMajor )
+                aPropName = "HasZAxisGrid";
+            else
+                aPropName = "HasZAxisHelpGrid";
+            break;
+        case SCH_XML_AXIS_UNDEF:
+            SAL_INFO("xmloff.chart", "Invalid axis" );
+            break;
+    }
+    xDiaProp->setPropertyValue( aPropName, uno::Any(true) );
+
+    Reference< beans::XPropertySet > xGridProp;
+    if( bIsMajor )
+        xGridProp = xAxis->getMajorGrid();
+    else
+        xGridProp = xAxis->getMinorGrid();
+
+    // set properties
+    if( xGridProp.is())
+    {
+        // the line color is black as default, in the model it is a light gray
+        xGridProp->setPropertyValue("LineColor",
+                                     uno::Any( COL_BLACK ));
+        if (!sAutoStyleName.isEmpty())
+            m_rImportHelper.FillAutoStyle(sAutoStyleName, xGridProp);
+    }
+}
+
+void SchXMLAxisContext::startFastElement( sal_Int32 /*nElement*/,
+    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
+{
+    // parse attributes
+    for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
+    {
+        switch(aIter.getToken())
+        {
+            case XML_ELEMENT(CHART, XML_DIMENSION):
+                {
+                    SchXMLAxisDimension nEnumVal;
+                    if( SvXMLUnitConverter::convertEnum( nEnumVal, aIter.toView(), aXMLAxisDimensionMap ))
+                        m_aCurrentAxis.eDimension = nEnumVal;
+                }
+                break;
+            case XML_ELEMENT(CHART, XML_NAME):
+                m_aCurrentAxis.aName = aIter.toString();
+                break;
+            case XML_ELEMENT(CHART, XML_AXIS_TYPE):
+            case XML_ELEMENT(CHART_EXT, XML_AXIS_TYPE):
+                sal_uInt16 nEnumVal;
+                if( SvXMLUnitConverter::convertEnum( nEnumVal, aIter.toView(), aXMLAxisTypeMap ))
+                {
+                    m_nAxisType = nEnumVal;
+                    m_bAxisTypeImported = true;
+                }
+                break;
+            case XML_ELEMENT(CHART, XML_STYLE_NAME):
+                m_aAutoStyleName = aIter.toString();
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("xmloff", aIter);
+        }
+    }
+
+    // check for number of axes with same dimension
+    m_aCurrentAxis.nAxisIndex = 0;
+    sal_Int32 nNumOfAxes = m_rAxes.size();
+    for( sal_Int32 nCurrent = 0; nCurrent < nNumOfAxes; nCurrent++ )
+    {
+        if( m_rAxes[ nCurrent ].eDimension == m_aCurrentAxis.eDimension )
+            m_aCurrentAxis.nAxisIndex++;
+    }
+    CreateAxis();
+}
+namespace
+{
+
+Reference< chart2::XAxis > lcl_getAxis( const Reference< frame::XModel >& xChartModel,
+                                            sal_Int32 nDimensionIndex, sal_Int32 nAxisIndex )
+{
+    Reference< chart2::XAxis > xAxis;
+
+    try
+    {
+        Reference< chart2::XChartDocument > xChart2Document( xChartModel, uno::UNO_QUERY );
+        if( xChart2Document.is() )
+        {
+            Reference< chart2::XDiagram > xDiagram( xChart2Document->getFirstDiagram());
+            Reference< chart2::XCoordinateSystemContainer > xCooSysCnt( xDiagram, uno::UNO_QUERY_THROW );
+            uno::Sequence< Reference< chart2::XCoordinateSystem > >
+                aCooSysSeq( xCooSysCnt->getCoordinateSystems());
+            sal_Int32 nCooSysIndex = 0;
+            if( nCooSysIndex < aCooSysSeq.getLength() )
+            {
+                Reference< chart2::XCoordinateSystem > xCooSys( aCooSysSeq[nCooSysIndex] );
+                if( xCooSys.is() && nDimensionIndex < xCooSys->getDimension() )
+                {
+                    const sal_Int32 nMaxAxisIndex = xCooSys->getMaximumAxisIndexByDimension(nDimensionIndex);
+                    if( nAxisIndex <= nMaxAxisIndex )
+                        xAxis = xCooSys->getAxisByDimension( nDimensionIndex, nAxisIndex );
+                }
+            }
+        }
+    }
+    catch( uno::Exception & )
+    {
+        SAL_INFO("xmloff.chart", "Couldn't get axis" );
+    }
+
+    return xAxis;
+}
+
+bool lcl_divideBy100( uno::Any& rDoubleAny )
+{
+    bool bChanged = false;
+    double fValue=0.0;
+    if( (rDoubleAny>>=fValue) && (fValue!=0.0) )
+    {
+        fValue/=100.0;
+        rDoubleAny <<= fValue;
+        bChanged = true;
+    }
+    return bChanged;
+}
+
+bool lcl_AdaptWrongPercentScaleValues(chart2::ScaleData& rScaleData)
+{
+    bool bChanged = lcl_divideBy100( rScaleData.Minimum );
+    bChanged = lcl_divideBy100( rScaleData.Maximum ) || bChanged;
+    bChanged = lcl_divideBy100( rScaleData.Origin ) || bChanged;
+    bChanged = lcl_divideBy100( rScaleData.IncrementData.Distance ) || bChanged;
+    return bChanged;
+}
+
+}//end anonymous namespace
+
+void SchXMLAxisContext::CreateAxis()
+{
+    m_rAxes.push_back( m_aCurrentAxis );
+
+    Reference< beans::XPropertySet > xDiaProp( m_rImportHelper.GetChartDocument()->getDiagram(), uno::UNO_QUERY );
+    if( !xDiaProp.is() )
+        return;
+    OUString aPropName;
+    switch( m_aCurrentAxis.eDimension )
+    {
+        case SCH_XML_AXIS_X:
+            if( m_aCurrentAxis.nAxisIndex == 0 )
+                aPropName = "HasXAxis";
+            else
+                aPropName = "HasSecondaryXAxis";
+            break;
+        case SCH_XML_AXIS_Y:
+            if( m_aCurrentAxis.nAxisIndex == 0 )
+                aPropName = "HasYAxis";
+            else
+                aPropName = "HasSecondaryYAxis";
+            break;
+        case SCH_XML_AXIS_Z:
+            if( m_aCurrentAxis.nAxisIndex == 0 )
+                aPropName = "HasZAxis";
+            break;
+        case SCH_XML_AXIS_UNDEF:
+            SAL_INFO("xmloff.chart", "Invalid axis" );
+            break;
+    }
+    try
+    {
+        xDiaProp->setPropertyValue( aPropName, uno::Any(true) );
+    }
+    catch( beans::UnknownPropertyException & )
+    {
+        SAL_INFO("xmloff.chart", "Couldn't turn on axis" );
+    }
+    if( m_aCurrentAxis.eDimension==SCH_XML_AXIS_Z )
+    {
+        bool bSettingZAxisSucceeded = false;
+        try
+        {
+            xDiaProp->getPropertyValue( aPropName ) >>= bSettingZAxisSucceeded;
+        }
+        catch( beans::UnknownPropertyException & )
+        {
+            SAL_INFO("xmloff.chart", "Couldn't turn on z axis" );
+        }
+        if( !bSettingZAxisSucceeded )
+            return;
+    }
+
+    m_xAxisProps.set( lcl_getChartAxis( m_aCurrentAxis, m_xDiagram ), uno::UNO_QUERY );
+
+    if( m_bAddMissingXAxisForNetCharts && m_aCurrentAxis.eDimension==SCH_XML_AXIS_Y && m_aCurrentAxis.nAxisIndex==0 )
+    {
+        try
+        {
+            xDiaProp->setPropertyValue("HasXAxis", uno::Any(true) );
+        }
+        catch( beans::UnknownPropertyException & )
+        {
+            SAL_INFO("xmloff.chart", "Couldn't turn on x axis" );
+        }
+    }
+
+    // set properties
+    if( !m_xAxisProps.is())
+        return;
+
+    uno::Any aTrueBool( uno::Any( true ));
+    uno::Any aFalseBool( uno::Any( false ));
+
+    // #i109879# the line color is black as default, in the model it is a light gray
+    m_xAxisProps->setPropertyValue("LineColor",
+                                 uno::Any( COL_BLACK ));
+
+    m_xAxisProps->setPropertyValue("DisplayLabels", aFalseBool );
+
+    // Compatibility option: starting from LibreOffice 5.1 the rotated
+    // layout is preferred to staggering for axis labels.
+    // So the import default value for having compatibility with ODF
+    // documents created with earlier LibreOffice versions is `true`.
+    if( GetImport().getGeneratorVersion() != SvXMLImport::ProductVersionUnknown )
+        m_xAxisProps->setPropertyValue("TryStaggeringFirst", aTrueBool );
+
+    // #88077# AutoOrigin 'on' is default
+    m_xAxisProps->setPropertyValue("AutoOrigin", aTrueBool );
+
+    if( m_bAxisTypeImported )
+        m_xAxisProps->setPropertyValue("AxisType", uno::Any(m_nAxisType) );
+
+    if( !m_aAutoStyleName.isEmpty())
+    {
+        const SvXMLStylesContext* pStylesCtxt = m_rImportHelper.GetAutoStylesContext();
+        if (pStylesCtxt)
+        {
+            SvXMLStyleContext* pStyle = const_cast<SvXMLStyleContext*>(pStylesCtxt->FindStyleChildContext(SchXMLImportHelper::GetChartFamilyID(), m_aAutoStyleName));
+
+            if (XMLPropStyleContext * pPropStyleContext = dynamic_cast<XMLPropStyleContext*>(pStyle))
+            {
+                pPropStyleContext->FillPropertySet(m_xAxisProps);
+
+                if( m_bAdaptWrongPercentScaleValues && m_aCurrentAxis.eDimension==SCH_XML_AXIS_Y )
+                {
+                    //set scale data of added x axis back to default
+                    Reference< chart2::XAxis > xAxis( lcl_getAxis( GetImport().GetModel(),
+                                        m_aCurrentAxis.eDimension, m_aCurrentAxis.nAxisIndex ) );
+                    if( xAxis.is() )
+                    {
+                        chart2::ScaleData aScaleData( xAxis->getScaleData());
+                        if( lcl_AdaptWrongPercentScaleValues(aScaleData) )
+                            xAxis->setScaleData( aScaleData );
+                    }
+                }
+
+                if( m_bAddMissingXAxisForNetCharts )
+                {
+                    //copy style from y axis to added x axis:
+
+                    Reference< chart::XAxisSupplier > xAxisSuppl( xDiaProp, uno::UNO_QUERY );
+                    if( xAxisSuppl.is() )
+                    {
+                        Reference< beans::XPropertySet > xXAxisProp( xAxisSuppl->getAxis(0), uno::UNO_QUERY );
+                        pPropStyleContext->FillPropertySet(xXAxisProp);
+                    }
+
+                    //set scale data of added x axis back to default
+                    Reference< chart2::XAxis > xAxis( lcl_getAxis( GetImport().GetModel(),
+                                        0 /*nDimensionIndex*/, 0 /*nAxisIndex*/ ) );
+                    if( xAxis.is() )
+                    {
+                        chart2::ScaleData aScaleData;
+                        aScaleData.AxisType = chart2::AxisType::CATEGORY;
+                        aScaleData.Orientation = chart2::AxisOrientation_MATHEMATICAL;
+                        xAxis->setScaleData( aScaleData );
+                    }
+
+                    //set line style of added x axis to invisible
+                    Reference< beans::XPropertySet > xNewAxisProp( xAxis, uno::UNO_QUERY );
+                    if( xNewAxisProp.is() )
+                    {
+                        xNewAxisProp->setPropertyValue("LineStyle"
+                            , uno::Any(drawing::LineStyle_NONE));
+                    }
+                }
+
+                if( m_bAdaptXAxisOrientationForOld2DBarCharts && m_aCurrentAxis.eDimension == SCH_XML_AXIS_X )
+                {
+                    bool bIs3DChart = false;
+                    if( xDiaProp.is() && ( xDiaProp->getPropertyValue("Dim3D") >>= bIs3DChart )
+                        && !bIs3DChart )
+                    {
+                        Reference< chart2::XChartDocument > xChart2Document( GetImport().GetModel(), uno::UNO_QUERY );
+                        if( xChart2Document.is() )
+                        {
+                            Reference< chart2::XCoordinateSystemContainer > xCooSysCnt( xChart2Document->getFirstDiagram(), uno::UNO_QUERY );
+                            if( xCooSysCnt.is() )
+                            {
+                                uno::Sequence< Reference< chart2::XCoordinateSystem > > aCooSysSeq( xCooSysCnt->getCoordinateSystems() );
+                                if( aCooSysSeq.hasElements() )
+                                {
+                                    bool bSwapXandYAxis = false;
+                                    Reference< chart2::XCoordinateSystem > xCooSys( aCooSysSeq[0] );
+                                    Reference< beans::XPropertySet > xCooSysProp( xCooSys, uno::UNO_QUERY );
+                                    if( xCooSysProp.is() && ( xCooSysProp->getPropertyValue("SwapXAndYAxis") >>= bSwapXandYAxis )
+                                        && bSwapXandYAxis )
+                                    {
+                                        Reference< chart2::XAxis > xAxis = xCooSys->getAxisByDimension( 0, m_aCurrentAxis.nAxisIndex );
+                                        if( xAxis.is() )
+                                        {
+                                            chart2::ScaleData aScaleData = xAxis->getScaleData();
+                                            aScaleData.Orientation = chart2::AxisOrientation_REVERSE;
+                                            xAxis->setScaleData( aScaleData );
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+
+                m_rbAxisPositionAttributeImported = m_rbAxisPositionAttributeImported || SchXMLTools::getPropertyFromContext(
+                    u"CrossoverPosition", pPropStyleContext, pStylesCtxt ).hasValue();
+            }
+        }
+    }
+
+    if (m_aCurrentAxis.eDimension != SCH_XML_AXIS_X)
+        return;
+
+    Reference<chart2::XAxis> xAxis(lcl_getAxis(GetImport().GetModel(), m_aCurrentAxis.eDimension, m_aCurrentAxis.nAxisIndex));
+    if (!xAxis.is())
+        return;
+
+    chart2::ScaleData aScaleData(xAxis->getScaleData());
+    bool bIs3DChart = false;
+    double fMajorOrigin = -1;
+    OUString sChartType = m_xDiagram->getDiagramType();
+    if ((xDiaProp->getPropertyValue("Dim3D") >>= bIs3DChart) && bIs3DChart
+        && (sChartType == "com.sun.star.chart.BarDiagram" || sChartType == "com.sun.star.chart.StockDiagram"))
+    {
+        aScaleData.ShiftedCategoryPosition = true;
+        xAxis->setScaleData(aScaleData);
+    }
+    else if ((m_xAxisProps->getPropertyValue("MajorOrigin") >>= fMajorOrigin)
+            && (rtl::math::approxEqual(fMajorOrigin, 0.0) || rtl::math::approxEqual(fMajorOrigin, 0.5)))
+    {
+        aScaleData.ShiftedCategoryPosition = rtl::math::approxEqual(fMajorOrigin, 0.5);
+        xAxis->setScaleData(aScaleData);
+    }
+}
+
+void SchXMLAxisContext::SetAxisTitle()
+{
+    if( m_aCurrentAxis.aTitle.isEmpty() )
+        return;
+
+    Reference< chart::XAxis > xAxis( lcl_getChartAxis( m_aCurrentAxis, m_xDiagram ) );
+    if( !xAxis.is() )
+        return;
+
+    Reference< beans::XPropertySet > xTitleProp( xAxis->getAxisTitle() );
+    if( xTitleProp.is() )
+    {
+        try
+        {
+            xTitleProp->setPropertyValue("String", uno::Any(m_aCurrentAxis.aTitle) );
+        }
+        catch( beans::UnknownPropertyException & )
+        {
+            SAL_INFO("xmloff.chart", "Property String for Title not available" );
+        }
+    }
+}
+
+css::uno::Reference< css::xml::sax::XFastContextHandler > SchXMLAxisContext::createFastChildContext(
+    sal_Int32 nElement,
+    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
+{
+    switch( nElement )
+    {
+        case XML_ELEMENT(CHART, XML_TITLE):
+        {
+            Reference< drawing::XShape > xTitleShape = getTitleShape();
+            return new SchXMLTitleContext( m_rImportHelper, GetImport(),
+                                               m_aCurrentAxis.aTitle,
+                                               xTitleShape );
+        }
+        break;
+
+        case XML_ELEMENT(CHART, XML_CATEGORIES):
+            m_aCurrentAxis.bHasCategories = true;
+            return new SchXMLCategoriesContext( GetImport(),
+                                                m_rCategoriesAddress );
+            break;
+
+        case  XML_ELEMENT(CHART, XML_DATE_SCALE):
+        case  XML_ELEMENT(CHART_EXT, XML_DATE_SCALE):
+            m_bDateScaleImported = true;
+            return new DateScaleContext( GetImport(), m_xAxisProps );
+
+        case XML_ELEMENT(CHART, XML_GRID):
+        {
+            bool bIsMajor = true;       // default value for class is "major"
+            OUString sAutoStyleName;
+
+            for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
+            {
+                switch (aIter.getToken())
+                {
+                    case XML_ELEMENT(CHART, XML_CLASS):
+                        if( IsXMLToken( aIter, XML_MINOR ) )
+                            bIsMajor = false;
+                        break;
+                    case XML_ELEMENT(CHART, XML_STYLE_NAME):
+                        sAutoStyleName = aIter.toString();
+                        break;
+                    default:
+                        XMLOFF_WARN_UNKNOWN("xmloff", aIter);
+                }
+            }
+
+            CreateGrid( sAutoStyleName, bIsMajor );
+
+            // don't create a context => use default context. grid elements are empty
+        }
+        break;
+
+        default:
+            XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
+            break;
+    }
+
+    return nullptr;
+}
+
+void SchXMLAxisContext::endFastElement(sal_Int32 )
+{
+    if( !m_bDateScaleImported && m_nAxisType==chart::ChartAxisType::AUTOMATIC )
+    {
+        Reference< chart2::XAxis > xAxis( lcl_getAxis( GetImport().GetModel(), m_aCurrentAxis.eDimension, m_aCurrentAxis.nAxisIndex ) );
+        if( xAxis.is() )
+        {
+            chart2::ScaleData aScaleData( xAxis->getScaleData());
+            aScaleData.AutoDateAxis = false;//different default for older documents
+            xAxis->setScaleData( aScaleData );
+        }
+    }
+
+    SetAxisTitle();
+}
+
+namespace
+{
+
+Reference< chart2::XAxis > lcl_getAxis( const Reference< chart2::XCoordinateSystem >& rCooSys, sal_Int32 nDimensionIndex, sal_Int32 nAxisIndex )
+{
+    Reference< chart2::XAxis > xAxis;
+    try
+    {
+        xAxis = rCooSys->getAxisByDimension( nDimensionIndex, nAxisIndex );
+    }
+    catch( uno::Exception & )
+    {
+    }
+    return xAxis;
+}
+
+} // anonymous namespace
+
+void SchXMLAxisContext::CorrectAxisPositions( const Reference< chart2::XChartDocument >& xNewDoc,
+                          std::u16string_view rChartTypeServiceName,
+                          std::u16string_view rODFVersionOfFile,
+                          bool bAxisPositionAttributeImported )
+{
+    if( !(rODFVersionOfFile.empty() || rODFVersionOfFile == u"1.0" || rODFVersionOfFile == u"1.1"
+        || ( rODFVersionOfFile == u"1.2" && !bAxisPositionAttributeImported )) )
+        return;
+
+    try
+    {
+        Reference< chart2::XCoordinateSystemContainer > xCooSysCnt( xNewDoc->getFirstDiagram(), uno::UNO_QUERY_THROW );
+        uno::Sequence< Reference< chart2::XCoordinateSystem > > aCooSysSeq( xCooSysCnt->getCoordinateSystems());
+        if( aCooSysSeq.hasElements() )
+        {
+            Reference< chart2::XCoordinateSystem > xCooSys( aCooSysSeq[0] );
+            if( xCooSys.is() )
+            {
+                Reference< chart2::XAxis > xMainXAxis = lcl_getAxis( xCooSys, 0, 0 );
+                Reference< chart2::XAxis > xMainYAxis = lcl_getAxis( xCooSys, 1, 0 );
+                //Reference< chart2::XAxis > xMajorZAxis = lcl_getAxis( xCooSys, 2, 0 );
+                Reference< chart2::XAxis > xSecondaryXAxis = lcl_getAxis( xCooSys, 0, 1 );
+                Reference< chart2::XAxis > xSecondaryYAxis = lcl_getAxis( xCooSys, 1, 1 );
+
+                Reference< beans::XPropertySet > xMainXAxisProp( xMainXAxis, uno::UNO_QUERY );
+                Reference< beans::XPropertySet > xMainYAxisProp( xMainYAxis, uno::UNO_QUERY );
+                Reference< beans::XPropertySet > xSecondaryXAxisProp( xSecondaryXAxis, uno::UNO_QUERY );
+                Reference< beans::XPropertySet > xSecondaryYAxisProp( xSecondaryYAxis, uno::UNO_QUERY );
+
+                if( xMainXAxisProp.is() && xMainYAxisProp.is() )
+                {
+                    chart2::ScaleData aMainXScale = xMainXAxis->getScaleData();
+                    if( rChartTypeServiceName == u"com.sun.star.chart2.ScatterChartType" )
+                    {
+                        xMainYAxisProp->setPropertyValue("CrossoverPosition"
+                                , uno::Any( css::chart::ChartAxisPosition_VALUE) );
+                        double fCrossoverValue = 0.0;
+                        aMainXScale.Origin >>= fCrossoverValue;
+                        xMainYAxisProp->setPropertyValue("CrossoverValue"
+                                , uno::Any( fCrossoverValue ) );
+
+                        if( aMainXScale.Orientation == chart2::AxisOrientation_REVERSE )
+                        {
+                            xMainYAxisProp->setPropertyValue("LabelPosition"
+                                , uno::Any( css::chart::ChartAxisLabelPosition_OUTSIDE_END) );
+                            xMainYAxisProp->setPropertyValue("MarkPosition"
+                                , uno::Any( css::chart::ChartAxisMarkPosition_AT_LABELS) );
+                            if( xSecondaryYAxisProp.is() )
+                                xSecondaryYAxisProp->setPropertyValue("CrossoverPosition"
+                                , uno::Any( css::chart::ChartAxisPosition_START) );
+                        }
+                        else
+                        {
+                            xMainYAxisProp->setPropertyValue("LabelPosition"
+                                , uno::Any( css::chart::ChartAxisLabelPosition_OUTSIDE_START) );
+                            xMainYAxisProp->setPropertyValue("MarkPosition"
+                                , uno::Any( css::chart::ChartAxisMarkPosition_AT_LABELS) );
+                            if( xSecondaryYAxisProp.is() )
+                                xSecondaryYAxisProp->setPropertyValue("CrossoverPosition"
+                                , uno::Any( css::chart::ChartAxisPosition_END) );
+                        }
+                    }
+                    else
+                    {
+                        if( aMainXScale.Orientation == chart2::AxisOrientation_REVERSE )
+                        {
+                            xMainYAxisProp->setPropertyValue("CrossoverPosition"
+                                , uno::Any( css::chart::ChartAxisPosition_END) );
+                            if( xSecondaryYAxisProp.is() )
+                                xSecondaryYAxisProp->setPropertyValue("CrossoverPosition"
+                                    , uno::Any( css::chart::ChartAxisPosition_START) );
+                        }
+                        else
+                        {
+                            xMainYAxisProp->setPropertyValue("CrossoverPosition"
+                                , uno::Any( css::chart::ChartAxisPosition_START) );
+                            if( xSecondaryYAxisProp.is() )
+                                xSecondaryYAxisProp->setPropertyValue("CrossoverPosition"
+                                    , uno::Any( css::chart::ChartAxisPosition_END) );
+                        }
+                    }
+
+                    chart2::ScaleData aMainYScale = xMainYAxis->getScaleData();
+                    xMainXAxisProp->setPropertyValue("CrossoverPosition"
+                            , uno::Any( css::chart::ChartAxisPosition_VALUE) );
+                    double fCrossoverValue = 0.0;
+                    aMainYScale.Origin >>= fCrossoverValue;
+                    xMainXAxisProp->setPropertyValue("CrossoverValue"
+                            , uno::Any( fCrossoverValue ) );
+
+                    if( aMainYScale.Orientation == chart2::AxisOrientation_REVERSE )
+                    {
+                        xMainXAxisProp->setPropertyValue("LabelPosition"
+                            , uno::Any( css::chart::ChartAxisLabelPosition_OUTSIDE_END) );
+                        xMainXAxisProp->setPropertyValue("MarkPosition"
+                            , uno::Any( css::chart::ChartAxisMarkPosition_AT_LABELS) );
+                        if( xSecondaryXAxisProp.is() )
+                            xSecondaryXAxisProp->setPropertyValue("CrossoverPosition"
+                            , uno::Any( css::chart::ChartAxisPosition_START) );
+                    }
+                    else
+                    {
+                        xMainXAxisProp->setPropertyValue("LabelPosition"
+                            , uno::Any( css::chart::ChartAxisLabelPosition_OUTSIDE_START) );
+                        xMainXAxisProp->setPropertyValue("MarkPosition"
+                            , uno::Any( css::chart::ChartAxisMarkPosition_AT_LABELS) );
+                        if( xSecondaryXAxisProp.is() )
+                            xSecondaryXAxisProp->setPropertyValue("CrossoverPosition"
+                            , uno::Any( css::chart::ChartAxisPosition_END) );
+                    }
+                }
+            }
+        }
+    }
+    catch( uno::Exception & )
+    {
+    }
+}
+
+SchXMLCategoriesContext::SchXMLCategoriesContext(
+    SvXMLImport& rImport,
+    OUString& rAddress ) :
+        SvXMLImportContext( rImport ),
+        mrAddress( rAddress )
+{
+}
+
+void SchXMLCategoriesContext::startFastElement( sal_Int32 /*nElement*/,
+    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
+{
+    for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
+    {
+        if( aIter.getToken() == XML_ELEMENT(TABLE, XML_CELL_RANGE_ADDRESS) )
+            mrAddress = aIter.toString();
+        else
+            XMLOFF_WARN_UNKNOWN("xmloff", aIter);
+    }
+}
+
+DateScaleContext::DateScaleContext(
+    SvXMLImport& rImport,
+    const Reference< beans::XPropertySet >& rAxisProps ) :
+        SvXMLImportContext( rImport ),
+        m_xAxisProps( rAxisProps )
+{
+}
+
+namespace
+{
+sal_Int32 lcl_getTimeUnit( const sax_fastparser::FastAttributeList::FastAttributeIter& rValue )
+{
+    sal_Int32 nTimeUnit = css::chart::TimeUnit::DAY;
+    if( IsXMLToken( rValue, XML_DAYS ) )
+        nTimeUnit = css::chart::TimeUnit::DAY;
+    else if( IsXMLToken( rValue, XML_MONTHS ) )
+        nTimeUnit = css::chart::TimeUnit::MONTH;
+    else if( IsXMLToken( rValue, XML_YEARS ) )
+        nTimeUnit = css::chart::TimeUnit::YEAR;
+    return nTimeUnit;
+}
+
+}
+
+void DateScaleContext::startFastElement( sal_Int32 /*nElement*/,
+    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
+{
+    if( !m_xAxisProps.is() )
+        return;
+
+    // parse attributes
+    bool bSetNewIncrement=false;
+    chart::TimeIncrement aIncrement;
+    m_xAxisProps->getPropertyValue("TimeIncrement") >>= aIncrement;
+
+    for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
+    {
+        switch( aIter.getToken() )
+        {
+            case  XML_ELEMENT(CHART, XML_BASE_TIME_UNIT):
+                {
+                    aIncrement.TimeResolution <<= lcl_getTimeUnit(aIter);
+                    bSetNewIncrement = true;
+                }
+                break;
+            case XML_ELEMENT(CHART, XML_MAJOR_INTERVAL_VALUE):
+                {
+                    chart::TimeInterval aInterval(1,0);
+                    aIncrement.MajorTimeInterval >>= aInterval;
+                    ::sax::Converter::convertNumber( aInterval.Number, aIter.toView() );
+                    aIncrement.MajorTimeInterval <<= aInterval;
+                    bSetNewIncrement = true;
+                }
+                break;
+            case  XML_ELEMENT(CHART, XML_MAJOR_INTERVAL_UNIT):
+                {
+                    chart::TimeInterval aInterval(1,0);
+                    aIncrement.MajorTimeInterval >>= aInterval;
+                    aInterval.TimeUnit = lcl_getTimeUnit(aIter);
+                    aIncrement.MajorTimeInterval <<= aInterval;
+                    bSetNewIncrement = true;
+                }
+                break;
+            case XML_ELEMENT(CHART, XML_MINOR_INTERVAL_VALUE):
+                {
+                    chart::TimeInterval aInterval(1,0);
+                    aIncrement.MinorTimeInterval >>= aInterval;
+                    ::sax::Converter::convertNumber( aInterval.Number, aIter.toView() );
+                    aIncrement.MinorTimeInterval <<= aInterval;
+                    bSetNewIncrement = true;
+                }
+                break;
+            case  XML_ELEMENT(CHART, XML_MINOR_INTERVAL_UNIT):
+                {
+                    chart::TimeInterval aInterval(1,0);
+                    aIncrement.MinorTimeInterval >>= aInterval;
+                    aInterval.TimeUnit = lcl_getTimeUnit(aIter);
+                    aIncrement.MinorTimeInterval <<= aInterval;
+                    bSetNewIncrement = true;
+                }
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("xmloff", aIter);
+        }
+    }
+
+    if( bSetNewIncrement )
+        m_xAxisProps->setPropertyValue("TimeIncrement", uno::Any( aIncrement ) );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */