File indexing completed on 2024-05-12 16:33:26

 /* This file is part of the KDE project
 
    Copyright 2007 Johannes Simon <johannes.simon@gmail.com>
    Copyright 2009 Inge Wallin    <inge@lysator.liu.se>
    Copyright 2017 Dag Andersen   <danders@get2net.dk>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 // Own
 #include "Axis.h"
 
 // Qt
 #include <QList>
 #include <QString>
 #include <QTextDocument>
 #include <QPointer>
 
 // Calligra
 #include <KoShapeLoadingContext.h>
 #include <KoShapeSavingContext.h>
 #include <KoShapeRegistry.h>
 #include <KoXmlReader.h>
 #include <KoXmlWriter.h>
 #include <KoGenStyles.h>
 #include <KoXmlNS.h>
 #include <KoTextShapeData.h>
 #include <KoOdfStylesReader.h>
 #include <KoUnit.h>
 #include <KoStyleStack.h>
 #include <KoOdfLoadingContext.h>
 #include <KoCharacterStyle.h>
 #include <KoOdfGraphicStyles.h>
 #include <KoOdfWorkaround.h>
 #include <KoTextDocumentLayout.h>
 #include <KoOdfNumberStyles.h>
 
 // KChart
 #include <KChartChart>
 #include <KChartLegend>
 #include <KChartCartesianAxis>
 #include <KChartCartesianCoordinatePlane>
 #include <KChartRadarCoordinatePlane>
 #include <KChartGridAttributes>
 #include <KChartBarDiagram>
 #include <KChartLineDiagram>
 #include <KChartPieDiagram>
 #include <KChartPlotter>
 #include <KChartStockDiagram>
 #include <KChartRingDiagram>
 #include <KChartRadarDiagram>
 #include <KChartBarAttributes>
 #include <KChartPieAttributes>
 #include <KChartThreeDBarAttributes>
 #include <KChartThreeDPieAttributes>
 #include <KChartThreeDLineAttributes>
 #include <KChartBackgroundAttributes>
 #include <KChartRulerAttributes>
 #include <kchart_version.h>
 
 // KoChart
 #include "PlotArea.h"
 #include "KChartModel.h"
 #include "DataSet.h"
 #include "Legend.h"
 #include "KChartConvertions.h"
 #include "ChartProxyModel.h"
 #include "TextLabelDummy.h"
 #include "ChartLayout.h"
 #include "OdfLoadingHelper.h"
 #include "OdfHelper.h"
 #include "ChartDebug.h"
 
 
 using namespace KoChart;
 
 class Axis::Private
 {
 public:
     Private(Axis *axis, AxisDimension dim);
     ~Private();
 
     void adjustAllDiagrams();
     /// Updates the axis position in the chart's layout
     /// FIXME: We should instead implement a generic layout position method
     /// and have the layout find out about our position when it changes.
     void updatePosition();
 
     void registerDiagram(KChart::AbstractDiagram *diagram);
 
     KChart::AbstractDiagram *getDiagramAndCreateIfNeeded(ChartType chartType);
     KChart::AbstractDiagram *getDiagram(ChartType chartType);
     void deleteDiagram(ChartType chartType);
     void deleteDiagram(KChart::AbstractDiagram *diagram);
 
     void restoreDiagrams();
 
     void createBarDiagram();
     void createLineDiagram();
     void createAreaDiagram();
     void createCircleDiagram();
     void createRingDiagram();
     void createRadarDiagram(bool filled);
     void createScatterDiagram();
     void createStockDiagram();
     void createBubbleDiagram();
     void createSurfaceDiagram();
     void createGanttDiagram();
     void applyAttributesToDataSet(DataSet* set, ChartType newCharttype);
 
     // Pointer to Axis that owns this Private instance
     Axis * const q;
 
     PlotArea *plotArea;
 
     const AxisDimension dimension;
 
     KoShape *title;
     TextLabelData *titleData;
 
     /// FIXME: Unused variable 'id', including id() getter
     QString id;
     QList<DataSet*> dataSets;
     qreal majorInterval;
     int minorIntervalDivisor;
     bool showInnerMinorTicks;
     bool showOuterMinorTicks;
     bool showInnerMajorTicks;
     bool showOuterMajorTicks;
     bool logarithmicScaling;
     bool showMajorGrid;
     bool showMinorGrid;
     bool useAutomaticMajorInterval;
     bool useAutomaticMinorInterval;
     bool useAutomaticMinimumRange;
     bool useAutomaticMaximumRange;
 
     KChart::CartesianAxis            *const kdAxis;
     KChart::CartesianCoordinatePlane *kdPlane;
     KChart::PolarCoordinatePlane     *kdPolarPlane;
     KChart::RadarCoordinatePlane     *kdRadarPlane;
     KoOdfNumberStyles::NumericStyleFormat *numericStyleFormat;
 
     QList<QPointer<KChart::AbstractCartesianDiagram> > diagrams;
 
     QPointer<KChart::BarDiagram> kdBarDiagram;
     QPointer<KChart::LineDiagram> kdLineDiagram;
     QPointer<KChart::LineDiagram> kdAreaDiagram;
     QPointer<KChart::PieDiagram>  kdCircleDiagram;
     QPointer<KChart::RingDiagram>  kdRingDiagram;
     QPointer<KChart::RadarDiagram> kdRadarDiagram;
     QPointer<KChart::Plotter>     kdScatterDiagram;
     QPointer<KChart::StockDiagram> kdStockDiagram;
     QPointer<KChart::Plotter>  kdBubbleDiagram;
     // FIXME BUG: Somehow we need to visualize something for these
     //            missing chart types.  We have some alternatives:
     //            1. Show an empty area
     //            2. Show a text "unsupported chart type"
     //            3. Exchange for something else, e.g. a bar chart.
     //            ... More?
     //
     // NOTE: Whatever we do, we should always store the data so that
     //       it can be saved back into the file for a perfect
     //       roundtrip.
     QPointer<KChart::BarDiagram> kdSurfaceDiagram;
     QPointer<KChart::BarDiagram> kdGanttDiagram;
 
     ChartType     plotAreaChartType;
     ChartSubtype  plotAreaChartSubType;
 
     // If KChart::LineDiagram::centerDataPoints() property is set to true,
     // the data points drawn in a line (i.e., also an area) diagram start at
     // an offset of 0.5, that is, in the middle of a column in the diagram.
     // Set flag to true if at least one dataset is attached to this axis
     // that belongs to a horizontal bar chart
     bool centerDataPoints;
 
     int gapBetweenBars;
     int gapBetweenSets;
 
     // TODO: Save
     // See ODF v1.2 $19.12 (chart:display-label)
     bool showLabels;
     bool showOverlappingDataLabels;
 
     bool isVisible;
     QString name;
 
     QString axisPosition;
     QString axisLabelsPosition;
 
 };
 
 class CartesianAxis : public KChart::CartesianAxis
 {
 public:
     CartesianAxis(KoChart::Axis *_axis) : KChart::CartesianAxis(), axis(_axis) {}
     virtual ~CartesianAxis() {}
     const QString customizedLabel(const QString& label) const override {
         if (KoOdfNumberStyles::NumericStyleFormat *n = axis->numericStyleFormat())
             return KoOdfNumberStyles::format(label, *n);
         return label;
     }
 private:
     KoChart::Axis *axis;
 };
 
 Axis::Private::Private(Axis *axis, AxisDimension dim)
     : q(axis)
     , dimension(dim)
     , kdAxis(new CartesianAxis(axis))
     , kdPlane(0)
     , kdPolarPlane(0)
     , kdRadarPlane(0)
     , numericStyleFormat(0)
 {
     centerDataPoints = false;
 
     gapBetweenBars = 0;
     gapBetweenSets = 100;
 
     isVisible = true;
 
     useAutomaticMajorInterval = true;
     useAutomaticMinorInterval = true;
     useAutomaticMinimumRange = true;
     useAutomaticMaximumRange = true;
 
     majorInterval = 2;
     minorIntervalDivisor = 1;
 
     showMajorGrid = false;
     showMinorGrid = false;
 
     logarithmicScaling = false;
 
     showInnerMinorTicks = false;
     showOuterMinorTicks = false;
     showInnerMajorTicks = false;
     showOuterMajorTicks = true;
 
     showOverlappingDataLabels = false;
     showLabels = true;
 
     title = 0;
     titleData = 0;
 
     KChart::RulerAttributes attr = kdAxis->rulerAttributes();
     attr.setShowRulerLine(true);
     attr.setRulerLinePen(QPen());
     kdAxis->setRulerAttributes(attr);
 }
 
 Axis::Private::~Private()
 {
     Q_ASSERT(plotArea);
 
     q->removeAxisFromDiagrams();
 
     delete kdBarDiagram;
     delete kdLineDiagram;
     delete kdAreaDiagram;
     delete kdCircleDiagram;
     delete kdRingDiagram;
     delete kdRadarDiagram;
     delete kdScatterDiagram;
     delete kdStockDiagram;
     delete kdBubbleDiagram;
     delete kdSurfaceDiagram;
     delete kdGanttDiagram;
 
     delete numericStyleFormat;
 
     delete kdAxis;
 
     foreach(DataSet *dataSet, dataSets)
         dataSet->setAttachedAxis(0);
 }
 
 void Axis::Private::registerDiagram(KChart::AbstractDiagram *diagram)
 {
     QObject::connect(plotArea->proxyModel(), SIGNAL(columnsInserted(QModelIndex,int,int)),
                      diagram->model(), SLOT(slotColumnsInserted(QModelIndex,int,int)));
 
     QObject::connect(diagram, SIGNAL(propertiesChanged()),
                      plotArea, SLOT(plotAreaUpdate()));
     QObject::connect(diagram, SIGNAL(layoutChanged(AbstractDiagram*)),
                      plotArea, SLOT(plotAreaUpdate()));
     QObject::connect(diagram, SIGNAL(modelsChanged()),
                      plotArea, SLOT(plotAreaUpdate()));
     QObject::connect(diagram, SIGNAL(dataHidden()),
                      plotArea, SLOT(plotAreaUpdate()));
 }
 
 KChart::AbstractDiagram *Axis::Private::getDiagramAndCreateIfNeeded(ChartType chartType)
 {
     KChart::AbstractDiagram *diagram = 0;
 
     switch (chartType) {
     case BarChartType:
         if (!kdBarDiagram)
             createBarDiagram();
         diagram = kdBarDiagram;
         break;
     case LineChartType:
         if (!kdLineDiagram)
             createLineDiagram();
         diagram = kdLineDiagram;
         break;
     case AreaChartType:
         if (!kdAreaDiagram)
             createAreaDiagram();
         diagram = kdAreaDiagram;
         break;
     case CircleChartType:
         if (!kdCircleDiagram)
             createCircleDiagram();
         diagram = kdCircleDiagram;
         break;
     case RingChartType:
         if (!kdRingDiagram)
             createRingDiagram();
         diagram = kdRingDiagram;
         break;
     case RadarChartType:
     case FilledRadarChartType:
         if (!kdRadarDiagram)
             createRadarDiagram(chartType == FilledRadarChartType);
         diagram = kdRadarDiagram;
         break;
     case ScatterChartType:
         if (!kdScatterDiagram)
             createScatterDiagram();
         diagram = kdScatterDiagram;
         break;
     case StockChartType:
         if (!kdStockDiagram)
             createStockDiagram();
         diagram = kdStockDiagram;
         break;
     case BubbleChartType:
         if (!kdBubbleDiagram)
             createBubbleDiagram();
         diagram = kdBubbleDiagram;
         break;
     case SurfaceChartType:
         if (!kdSurfaceDiagram)
             createSurfaceDiagram();
         diagram = kdSurfaceDiagram;
         break;
     case GanttChartType:
         if (!kdGanttDiagram)
             createGanttDiagram();
         diagram = kdGanttDiagram;
         break;
     default:
         ;
     }
     diagram->setObjectName(q->name()); // for debug
     adjustAllDiagrams();
     debugChartAxis<<q->name()<<"diagram"<<diagram<<"for"<<chartType;
     return diagram;
 }
 
 /**
  * Returns currently used internal KChart diagram for the specified chart type
  */
 KChart::AbstractDiagram *Axis::Private::getDiagram(ChartType chartType)
 {
     switch (chartType) {
         case BarChartType:
             return kdBarDiagram;
         case LineChartType:
             return kdLineDiagram;
         case AreaChartType:
             return kdAreaDiagram;
         case CircleChartType:
             return kdCircleDiagram;
         case RingChartType:
             return kdRingDiagram;
         case RadarChartType:
         case FilledRadarChartType:
             return kdRadarDiagram;
         case ScatterChartType:
             return kdScatterDiagram;
         case StockChartType:
             return kdStockDiagram;
         case BubbleChartType:
             return kdBubbleDiagram;
         case SurfaceChartType:
             return kdSurfaceDiagram;
         case GanttChartType:
             return kdGanttDiagram;
         case LastChartType:
             return 0;
         // Compiler warning for unhandled chart type is intentional.
     }
     Q_ASSERT(!"Unhandled chart type");
     return 0;
 }
 
 void Axis::Private::deleteDiagram(KChart::AbstractDiagram *diagram)
 {
     Q_ASSERT(diagram);
     if (diagram->coordinatePlane()) {
         diagram->coordinatePlane()->takeDiagram(diagram);
     }
     delete diagram;
     adjustAllDiagrams();
 }
 
 void Axis::Private::deleteDiagram(ChartType chartType)
 {
     KChart::AbstractDiagram *diagram = getDiagram(chartType);
     if (diagram) {
         deleteDiagram(diagram);
     }
 }
 
 
 void Axis::Private::createBarDiagram()
 {
     Q_ASSERT(kdBarDiagram == 0);
 
     kdBarDiagram = new KChart::BarDiagram(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdBarDiagram);
     kdBarDiagram->setModel(model);
     registerDiagram(kdBarDiagram);
 
     // By 'vertical', KChart means the orientation of a chart's bars,
     // not the orientation of the x axis.
     kdBarDiagram->setOrientation(plotArea->isVertical() ? Qt::Horizontal : Qt::Vertical);
     kdBarDiagram->setPen(QPen(Qt::black, 0.0));
 
     kdBarDiagram->setAllowOverlappingDataValueTexts(showOverlappingDataLabels);
 
     if (plotAreaChartSubType == StackedChartSubtype)
         kdBarDiagram->setType(KChart::BarDiagram::Stacked);
     else if (plotAreaChartSubType == PercentChartSubtype) {
         kdBarDiagram->setType(KChart::BarDiagram::Percent);
         kdBarDiagram->setUnitSuffix("%", kdBarDiagram->orientation());
     }
 
     if (isVisible) {
         kdBarDiagram->addAxis(kdAxis);
         q->registerDiagram(kdBarDiagram);
     }
     kdPlane->addDiagram(kdBarDiagram);
 
     Q_ASSERT(plotArea);
     foreach (Axis *axis, plotArea->axes()) {
         if (axis->isVisible() && axis->dimension() == XAxisDimension) {
             kdBarDiagram->addAxis(axis->kdAxis());
             axis->registerDiagram(kdBarDiagram);
         }
     }
 
     // Set default bar diagram attributes
     q->setGapBetweenBars(gapBetweenBars);
     q->setGapBetweenSets(gapBetweenSets);
 
     // Propagate existing settings
     KChart::ThreeDBarAttributes attributes(kdBarDiagram->threeDBarAttributes());
     attributes.setEnabled(plotArea->isThreeD());
     attributes.setThreeDBrushEnabled(plotArea->isThreeD());
     kdBarDiagram->setThreeDBarAttributes(attributes);
 
     q->plotAreaIsVerticalChanged();
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdBarDiagram);
 }
 
 void Axis::Private::createLineDiagram()
 {
     Q_ASSERT(kdLineDiagram == 0);
 
     kdLineDiagram = new KChart::LineDiagram(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdLineDiagram);
     kdLineDiagram->setModel(model);
     registerDiagram(kdLineDiagram);
 
     kdLineDiagram->setAllowOverlappingDataValueTexts(showOverlappingDataLabels);
 
     if (plotAreaChartSubType == StackedChartSubtype)
         kdLineDiagram->setType(KChart::LineDiagram::Stacked);
     else if (plotAreaChartSubType == PercentChartSubtype)
         kdLineDiagram->setType(KChart::LineDiagram::Percent);
 
     if (isVisible) {
         kdLineDiagram->addAxis(kdAxis);
         q->registerDiagram(kdLineDiagram);
     }
     kdPlane->addDiagram(kdLineDiagram);
 
     Q_ASSERT(plotArea);
     foreach (Axis *axis, plotArea->axes()) {
         if (axis->isVisible() && axis->dimension() == XAxisDimension) {
             kdLineDiagram->addAxis(axis->kdAxis());
             axis->registerDiagram(kdLineDiagram);
         }
     }
 
     // Propagate existing settings
     KChart::ThreeDLineAttributes attributes(kdLineDiagram->threeDLineAttributes());
     attributes.setEnabled(plotArea->isThreeD());
     attributes.setThreeDBrushEnabled(plotArea->isThreeD());
     kdLineDiagram->setThreeDLineAttributes(attributes);
 
     KChart::LineAttributes lineAttr = kdLineDiagram->lineAttributes();
     lineAttr.setMissingValuesPolicy(KChart::LineAttributes::MissingValuesHideSegments);
     kdLineDiagram->setLineAttributes(lineAttr);
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdLineDiagram);
 }
 
 void Axis::Private::createAreaDiagram()
 {
     Q_ASSERT(kdAreaDiagram == 0);
 
     kdAreaDiagram = new KChart::LineDiagram(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdAreaDiagram);
     kdAreaDiagram->setModel(model);
     registerDiagram(kdAreaDiagram);
     KChart::LineAttributes attr = kdAreaDiagram->lineAttributes();
     // Draw the area under the lines. This makes this diagram an area chart.
     attr.setDisplayArea(true);
     kdAreaDiagram->setLineAttributes(attr);
     kdAreaDiagram->setPen(QPen(Qt::black, 0.0));
     // KD Chart by default draws the first data set as last line in a normal
     // line diagram, we however want the first series to appear in front.
     kdAreaDiagram->setReverseDatasetOrder(true);
 
     kdAreaDiagram->setAllowOverlappingDataValueTexts(showOverlappingDataLabels);
 
     if (plotAreaChartSubType == StackedChartSubtype)
         kdAreaDiagram->setType(KChart::LineDiagram::Stacked);
     else if (plotAreaChartSubType == PercentChartSubtype)
     {
         kdAreaDiagram->setType(KChart::LineDiagram::Percent);
         kdAreaDiagram->setUnitSuffix("%", Qt::Vertical);
     }
 
     if (isVisible) {
         kdAreaDiagram->addAxis(kdAxis);
         q->registerDiagram(kdAreaDiagram);
     }
     kdPlane->addDiagram(kdAreaDiagram);
 
     Q_ASSERT(plotArea);
     foreach (Axis *axis, plotArea->axes()) {
         if (axis->isVisible() && axis->dimension() == XAxisDimension) {
             kdAreaDiagram->addAxis(axis->kdAxis());
             axis->registerDiagram(kdAreaDiagram);
         }
     }
 
     // Propagate existing settings
     KChart::ThreeDLineAttributes attributes(kdAreaDiagram->threeDLineAttributes());
     attributes.setEnabled(plotArea->isThreeD());
     attributes.setThreeDBrushEnabled(plotArea->isThreeD());
     kdAreaDiagram->setThreeDLineAttributes(attributes);
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdAreaDiagram);
 }
 
 void Axis::Private::createCircleDiagram()
 {
     Q_ASSERT(kdCircleDiagram == 0);
 
     kdCircleDiagram = new KChart::PieDiagram(plotArea->kdChart(), kdPolarPlane);
     KChartModel *model = new KChartModel(plotArea, kdCircleDiagram);
     kdCircleDiagram->setModel(model);
     registerDiagram(kdCircleDiagram);
 
     model->setDataDirection(Qt::Horizontal);
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdCircleDiagram);
     kdPolarPlane->addDiagram(kdCircleDiagram);
 
     // Propagate existing settings
     KChart::ThreeDPieAttributes attributes(kdCircleDiagram->threeDPieAttributes());
     attributes.setEnabled(plotArea->isThreeD());
     attributes.setThreeDBrushEnabled(plotArea->isThreeD());
     kdCircleDiagram->setThreeDPieAttributes(attributes);
 
     // Initialize with default values that are specified in PlotArea
     // Note: KChart takes an int here, though ODF defines the offset to be a double.
     kdPolarPlane->setStartPosition((int)plotArea->angleOffset());
 }
 
 void Axis::Private::createRingDiagram()
 {
     Q_ASSERT(kdRingDiagram == 0);
 
     kdRingDiagram = new KChart::RingDiagram(plotArea->kdChart(), kdPolarPlane);
     KChartModel *model = new KChartModel(plotArea, kdRingDiagram);
     kdRingDiagram->setModel(model);
     registerDiagram(kdRingDiagram);
 
     model->setDataDirection(Qt::Horizontal);
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdRingDiagram);
     kdPolarPlane->addDiagram(kdRingDiagram);
 
     // Propagate existing settings
     KChart::ThreeDPieAttributes attributes(kdRingDiagram->threeDPieAttributes());
     attributes.setEnabled(plotArea->isThreeD());
     attributes.setThreeDBrushEnabled(plotArea->isThreeD());
     kdRingDiagram->setThreeDPieAttributes(attributes);
 
     // Initialize with default values that are specified in PlotArea
     // Note: KChart takes an int here, though ODF defines the offset to be a double.
     kdPolarPlane->setStartPosition((int)plotArea->angleOffset());
 }
 
 void Axis::Private::createRadarDiagram(bool filled)
 {
     Q_ASSERT(kdRadarDiagram == 0);
 
     //kdRadarDiagramModel->setDataDimensions(2);
     //kdRadarDiagramModel->setDataDirection(Qt::Horizontal);
 
     kdRadarDiagram = new KChart::RadarDiagram(plotArea->kdChart(), kdRadarPlane);
     KChartModel *model = new KChartModel(plotArea, kdRadarDiagram);
     kdRadarDiagram->setModel(model);
     registerDiagram(kdRadarDiagram);
 
     kdRadarDiagram->setCloseDatasets(true);
 
     if (filled) {
         // Don't use a solid fill of 1.0 but a more transparent one so the
         // grid and the data-value-labels are still visible plus it provides
         // a better look (other areas can still be seen) even if it's slightly
         // different from what OO.org does.
         kdRadarDiagram->setFillAlpha(0.4);
     }
 
 #if 0  // Stacked and Percent not supported by KChart.
     if (plotAreaChartSubType == StackedChartSubtype)
         kdRadarDiagram->setType(KChart::PolarDiagram::Stacked);
     else if (plotAreaChartSubType == PercentChartSubtype)
         kdRadarDiagram->setType(KChart::PolarDiagram::Percent);
 #endif
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdRadarDiagram);
     kdRadarPlane->addDiagram(kdRadarDiagram);
 }
 
 void Axis::Private::createScatterDiagram()
 {
     Q_ASSERT(kdScatterDiagram == 0);
     Q_ASSERT(plotArea);
 
     kdScatterDiagram = new KChart::Plotter(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdScatterDiagram);
     kdScatterDiagram->setModel(model);
     registerDiagram(kdScatterDiagram);
 
     model->setDataDimensions(2);
 
     kdScatterDiagram->setPen(Qt::NoPen);
 
     if (isVisible) {
         kdScatterDiagram->addAxis(kdAxis);
         q->registerDiagram(kdScatterDiagram);
     }
     kdPlane->addDiagram(kdScatterDiagram);
 
 
     foreach (Axis *axis, plotArea->axes()) {
         if (axis->isVisible() && axis->dimension() == XAxisDimension) {
             kdScatterDiagram->addAxis(axis->kdAxis());
             axis->registerDiagram(kdScatterDiagram);
         }
     }
 
     // Propagate existing settings
     KChart::ThreeDLineAttributes attributes(kdScatterDiagram->threeDLineAttributes());
     attributes.setEnabled(plotArea->isThreeD());
     attributes.setThreeDBrushEnabled(plotArea->isThreeD());
     kdScatterDiagram->setThreeDLineAttributes(attributes);
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdScatterDiagram);
 }
 
 void Axis::Private::createStockDiagram()
 {
     Q_ASSERT(kdStockDiagram == 0);
 
     kdStockDiagram = new KChart::StockDiagram(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdStockDiagram);
     kdStockDiagram->setModel(model);
     switch (plotAreaChartSubType) {
         case HighLowCloseChartSubtype:
             kdStockDiagram->setType(KChart::StockDiagram::HighLowClose);
             break;
         case OpenHighLowCloseChartSubtype:
             kdStockDiagram->setType(KChart::StockDiagram::OpenHighLowClose);
             break;
         case CandlestickChartSubtype:
             kdStockDiagram->setType(KChart::StockDiagram::Candlestick);
             break;
     }
     registerDiagram(kdStockDiagram);
 
     model->setDataDimensions(numDimensions(StockChartType));
 
 #if 0  // Stacked and Percent not supported by KChart.
     if (plotAreaChartSubType == StackedChartSubtype)
         kdStockDiagram->setType(KChart::StockDiagram::Stacked);
     else if (plotAreaChartSubType == PercentChartSubtype)
         kdStockDiagram->setType(KChart::StockDiagram::Percent);
 #endif
 
     if (isVisible) {
         kdStockDiagram->addAxis(kdAxis);
         q->registerDiagram(kdStockDiagram);
     }
     kdPlane->addDiagram(kdStockDiagram);
 
     Q_ASSERT(plotArea);
     foreach (Axis *axis, plotArea->axes()) {
         if (axis->isVisible() && axis->dimension() == XAxisDimension) {
             kdStockDiagram->addAxis(axis->kdAxis());
             axis->registerDiagram(kdStockDiagram);
         }
     }
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdStockDiagram);
     q->updateKChartStockAttributes();
 }
 
 void Axis::Private::createBubbleDiagram()
 {
     Q_ASSERT(kdBubbleDiagram == 0);
     Q_ASSERT(plotArea);
 
     kdBubbleDiagram = new KChart::Plotter(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdBubbleDiagram);
     kdBubbleDiagram->setModel(model);
     registerDiagram(kdBubbleDiagram);
 
     model->setDataDimensions(2);
 
     kdPlane->addDiagram(kdBubbleDiagram);
 
     foreach (Axis *axis, plotArea->axes()) {
         //if (axis->dimension() == XAxisDimension)
         if (axis->isVisible() && axis->dimension() == XAxisDimension) {
             kdBubbleDiagram->addAxis(axis->kdAxis());
             q->registerDiagram(kdBubbleDiagram);
         }
     }
 
      // disable the connecting line
     KChart::LineAttributes la = kdBubbleDiagram->lineAttributes();
     la.setVisible(false);
     kdBubbleDiagram->setLineAttributes(la);
 
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdBubbleDiagram);
 }
 
 void Axis::Private::createSurfaceDiagram()
 {
     Q_ASSERT(!kdSurfaceDiagram);
 
     // This is a so far a by KChart unsupported chart type.
     // Fall back to bar diagram for now.
     kdSurfaceDiagram = new KChart::BarDiagram(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdSurfaceDiagram);
     kdSurfaceDiagram->setModel(model);
     registerDiagram(kdSurfaceDiagram);
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdSurfaceDiagram);
     kdPlane->addDiagram(kdSurfaceDiagram);
 }
 
 void Axis::Private::createGanttDiagram()
 {
     // This is a so far a by KChart unsupported chart type (through KDGantt got merged into KChart with 2.3)
     Q_ASSERT(!kdGanttDiagram);
 
     // This is a so far a by KChart unsupported chart type.
     // Fall back to bar diagram for now.
     kdGanttDiagram = new KChart::BarDiagram(plotArea->kdChart(), kdPlane);
     KChartModel *model = new KChartModel(plotArea, kdGanttDiagram);
     kdGanttDiagram->setModel(model);
     registerDiagram(kdGanttDiagram);
     plotArea->parent()->legend()->kdLegend()->addDiagram(kdGanttDiagram);
     kdPlane->addDiagram(kdGanttDiagram);
 }
 
 /**
  * Automatically adjusts the diagram so that all currently displayed
  * diagram types fit together.
  */
 void Axis::Private::adjustAllDiagrams()
 {
     // If at least one dataset is attached that belongs to a
     // horizontal bar chart, set centerDataPoints to true.
     centerDataPoints = kdBarDiagram != 0;
     if (kdLineDiagram)
         kdLineDiagram->setCenterDataPoints(centerDataPoints);
     if (kdAreaDiagram)
         kdAreaDiagram->setCenterDataPoints(centerDataPoints);
 }
 
 
 // ================================================================
 //                             class Axis
 
 // FIXME: make it possible to create an axis without parent, and
 //        when it is removed, actually remove it from parent (signals and all)
 
 Axis::Axis(PlotArea *parent, AxisDimension dimension)
     : d(new Private(this, dimension))
 {
     Q_ASSERT(parent);
 
     parent->addAxis(this);
 
     d->plotArea = parent;
     d->kdAxis->setObjectName(name());
     KChart::BackgroundAttributes batt(d->kdAxis->backgroundAttributes());
     batt.setBrush(QBrush(Qt::white));
     d->kdAxis->setBackgroundAttributes(batt);
     setFontSize(8.0); // also sets MeasureCalculationModeAbsolute
     d->kdPlane = parent->kdCartesianPlane(this);
     d->kdPolarPlane = parent->kdPolarPlane();
     d->kdRadarPlane = parent->kdRadarPlane();
 
     d->plotAreaChartType    = d->plotArea->chartType();
     d->plotAreaChartSubType = d->plotArea->chartSubType();
 
     setOdfAxisPosition("start");
     setOdfAxisLabelsPosition("near-axis");
 
     KoShapeFactoryBase *textShapeFactory = KoShapeRegistry::instance()->value(TextShapeId);
     if (textShapeFactory)
         d->title = textShapeFactory->createDefaultShape(parent->parent()->resourceManager());
     if (d->title) {
         d->titleData = qobject_cast<TextLabelData*>(d->title->userData());
         if (d->titleData == 0) {
             d->titleData = new TextLabelData;
             d->title->setUserData(d->titleData);
         }
 
         QFont font = d->titleData->document()->defaultFont();
         font.setPointSizeF(9);
         d->titleData->document()->setDefaultFont(font);
     }
     else {
         d->title = new TextLabelDummy;
         d->titleData = new TextLabelData;
         KoTextDocumentLayout *documentLayout = new KoTextDocumentLayout(d->titleData->document());
         d->titleData->document()->setDocumentLayout(documentLayout);
         d->title->setUserData(d->titleData);
     }
     d->title->setSize(QSizeF(CM_TO_POINT(3), CM_TO_POINT(0.75)));
 
     d->plotArea->parent()->addShape(d->title);
     d->plotArea->parent()->setClipped(d->title, true);
     d->plotArea->parent()->setInheritsTransform(d->title, true);
     d->title->setDeletable(false);
     d->title->setZIndex(5);
     d->title->setToolDelegates(QSet<KoShape*>()<<parent->parent()<<d->title); // Enable chart tool
     d->titleData->setResizeMethod(KoTextShapeDataBase::AutoResize);
     d->title->setAdditionalStyleAttribute("chart:auto-position", "true");
     d->title->setAllowedInteraction(KoShape::ShearingAllowed, false);
     d->title->setAllowedInteraction(KoShape::RotationAllowed, false);
     d->title->setAllowedInteraction(KoShape::ResizeAllowed, false);
     d->title->setVisible(false); // Needed to avoid problems when creating secondary axes (Axis creation needs review/refactoring)
 
     connect(d->plotArea, SIGNAL(angleOffsetChanged(qreal)), this, SLOT(setAngleOffset(qreal)));
     connect(d->plotArea, SIGNAL(holeSizeChanged(qreal)), this, SLOT(setHoleSize(qreal)));
 
     d->updatePosition();
 }
 
 Axis::~Axis()
 {
     Q_ASSERT(d->plotArea);
     d->plotArea->parent()->KoShapeContainer::removeShape(d->title);
 
     Q_ASSERT(d->title);
     delete d->title;
 
     delete d;
 }
 
 PlotArea* Axis::plotArea() const
 {
     return d->plotArea;
 }
 
 KoShape *Axis::title() const
 {
     return d->title;
 }
 
 QString Axis::titleText() const
 {
     return d->titleData->document()->toPlainText();
 }
 
 bool Axis::showLabels() const
 {
     return d->showLabels;
 }
 
 bool Axis::showOverlappingDataLabels() const
 {
     return d->showOverlappingDataLabels;
 }
 
 QString Axis::id() const
 {
     return d->id;
 }
 
 AxisDimension Axis::dimension() const
 {
     return d->dimension;
 }
 
 QList<DataSet*> Axis::dataSets() const
 {
     return d->dataSets;
 }
 
 bool Axis::attachDataSet(DataSet *dataSet)
 {
     Q_ASSERT(!d->dataSets.contains(dataSet));
     if (d->dataSets.contains(dataSet))
         return false;
 
     d->dataSets.append(dataSet);
 
     if (dimension() == YAxisDimension) {
         dataSet->setAttachedAxis(this);
 
         ChartType chartType = dataSet->chartType();
         if (chartType == LastChartType)
             chartType = d->plotAreaChartType;
 
         KChart::AbstractDiagram *diagram = d->getDiagramAndCreateIfNeeded(chartType);
         Q_ASSERT(diagram);
         KChartModel *model = dynamic_cast<KChartModel*>(diagram->model());
         Q_ASSERT(model);
 
         model->addDataSet(dataSet);
 
         layoutPlanes();
         requestRepaint();
     }
 
     return true;
 }
 
 bool Axis::detachDataSet(DataSet *dataSet, bool silent)
 {
     Q_ASSERT(d->dataSets.contains(dataSet));
     if (!d->dataSets.contains(dataSet))
         return false;
     d->dataSets.removeAll(dataSet);
 
     if (dimension() == YAxisDimension) {
         ChartType chartType = dataSet->chartType();
         if (chartType == LastChartType)
             chartType = d->plotAreaChartType;
 
         KChart::AbstractDiagram *oldDiagram = d->getDiagram(chartType);
         Q_ASSERT(oldDiagram);
         KChartModel *oldModel = dynamic_cast<KChartModel*>(oldDiagram->model());
         Q_ASSERT(oldModel);
 
         const int rowCount = oldModel->dataDirection() == Qt::Vertical
                                  ? oldModel->columnCount() : oldModel->rowCount();
         // If there's only as many rows as needed for *one*
         // dataset, that means that the dataset we're removing is
         // the last one in the model --> delete model
         if (rowCount == oldModel->dataDimensions())
             d->deleteDiagram(chartType);
         else
             oldModel->removeDataSet(dataSet, silent);
 
         dataSet->setKdChartModel(0);
         dataSet->setAttachedAxis(0);
 
         if (!silent) {
             layoutPlanes();
             requestRepaint();
         }
     }
 
     return true;
 }
 
 void Axis::clearDataSets()
 {
     QList<DataSet*> list = d->dataSets;
     foreach(DataSet *dataSet, list)
         detachDataSet(dataSet, true);
 }
 
 bool Axis::showRuler() const
 {
     return d->kdAxis->rulerAttributes().showRulerLine();
 }
 
 void Axis::setShowRuler(bool show)
 {
     KChart::RulerAttributes attr = d->kdAxis->rulerAttributes();
     attr.setShowRulerLine(!attr.showRulerLine());
     d->kdAxis->setRulerAttributes(attr);
 }
 
 qreal Axis::majorInterval() const
 {
     return d->majorInterval;
 }
 
 void Axis::setMajorInterval(qreal interval)
 {
     // Don't overwrite if automatic interval is being requested (for
     // interval = 0)
     if (interval != 0.0) {
         d->majorInterval = interval;
         d->useAutomaticMajorInterval = false;
     } else
         d->useAutomaticMajorInterval = true;
 
     // KChart
     KChart::GridAttributes attributes = d->kdPlane->gridAttributes(orientation());
     attributes.setGridStepWidth(interval);
     d->kdPlane->setGridAttributes(orientation(), attributes);
 
     attributes = d->kdPolarPlane->gridAttributes(true);
     attributes.setGridStepWidth(interval);
     d->kdPolarPlane->setGridAttributes(true, attributes);
 
     // FIXME: Hide minor tick marks more appropriately
     if (!d->showMinorGrid && interval != 0.0)
         setMinorInterval(interval);
 
     requestRepaint();
 }
 
 qreal Axis::minorInterval() const
 {
     return (d->majorInterval / (qreal)d->minorIntervalDivisor);
 }
 
 void Axis::setMinorInterval(qreal interval)
 {
     if (interval == 0.0)
         setMinorIntervalDivisor(0);
     else
         setMinorIntervalDivisor(int(qRound(d->majorInterval / interval)));
 }
 
 int Axis::minorIntervalDivisor() const
 {
     return d->minorIntervalDivisor;
 }
 
 void Axis::setMinorIntervalDivisor(int divisor)
 {
     // A divisor of 0.0 means automatic minor interval calculation
     if (divisor != 0) {
         d->minorIntervalDivisor = divisor;
         d->useAutomaticMinorInterval = false;
     } else
         d->useAutomaticMinorInterval = true;
 
     // KChart
     KChart::GridAttributes attributes = d->kdPlane->gridAttributes(orientation());
     attributes.setGridSubStepWidth((divisor != 0) ? (d->majorInterval / divisor) : 0.0);
     d->kdPlane->setGridAttributes(orientation(), attributes);
 
     attributes = d->kdPolarPlane->gridAttributes(true);
     attributes.setGridSubStepWidth((divisor != 0) ? (d->majorInterval / divisor) : 0.0);
     d->kdPolarPlane->setGridAttributes(true, attributes);
 
     requestRepaint();
 }
 
 bool Axis::useAutomaticMajorInterval() const
 {
     return d->useAutomaticMajorInterval;
 }
 
 bool Axis::useAutomaticMinorInterval() const
 {
     return d->useAutomaticMinorInterval;
 }
 
 void Axis::setUseAutomaticMajorInterval(bool automatic)
 {
     d->useAutomaticMajorInterval = automatic;
     // A value of 0.0 will activate automatic intervals,
     // but not change d->majorInterval
     setMajorInterval(automatic ? 0.0 : majorInterval());
 }
 
 void Axis::setUseAutomaticMinorInterval(bool automatic)
 {
     d->useAutomaticMinorInterval = automatic;
     // A value of 0.0 will activate automatic intervals,
     // but not change d->minorIntervalDivisor
     setMinorInterval(automatic ? 0.0 : minorInterval());
 }
 
 bool Axis::showInnerMinorTicks() const
 {
     return d->showInnerMinorTicks;
 }
 
 bool Axis::showOuterMinorTicks() const
 {
     return d->showOuterMinorTicks;
 }
 
 bool Axis::showInnerMajorTicks() const
 {
     return d->showInnerMinorTicks;
 }
 
 bool Axis::showOuterMajorTicks() const
 {
     return d->showOuterMajorTicks;
 }
 
 void Axis::setShowInnerMinorTicks(bool showTicks)
 {
     d->showInnerMinorTicks = showTicks;
     KChart::RulerAttributes attr = kdAxis()->rulerAttributes();
     attr.setShowMinorTickMarks(d->showInnerMinorTicks || d->showOuterMinorTicks);
     kdAxis()->setRulerAttributes(attr);
 }
 
 void Axis::setShowOuterMinorTicks(bool showTicks)
 {
     d->showOuterMinorTicks = showTicks;
     KChart::RulerAttributes attr = kdAxis()->rulerAttributes();
     attr.setShowMinorTickMarks(d->showInnerMinorTicks || d->showOuterMinorTicks);
     kdAxis()->setRulerAttributes(attr);
 }
 
 void Axis::setShowInnerMajorTicks(bool showTicks)
 {
     d->showInnerMajorTicks = showTicks;
     KChart::RulerAttributes attr = kdAxis()->rulerAttributes();
     attr.setShowMajorTickMarks(d->showInnerMajorTicks || d->showOuterMajorTicks);
     kdAxis()->setRulerAttributes(attr);
 }
 
 void Axis::setShowOuterMajorTicks(bool showTicks)
 {
     d->showOuterMajorTicks = showTicks;
     KChart::RulerAttributes attr = kdAxis()->rulerAttributes();
     attr.setShowMajorTickMarks(d->showInnerMajorTicks || d->showOuterMajorTicks);
     kdAxis()->setRulerAttributes(attr);
 }
 
 void Axis::setScalingLogarithmic(bool logarithmicScaling)
 {
     d->logarithmicScaling = logarithmicScaling;
 
     if (dimension() != YAxisDimension)
         return;
 
     d->kdPlane->setAxesCalcModeY(d->logarithmicScaling
                                   ? KChart::AbstractCoordinatePlane::Logarithmic
                                   : KChart::AbstractCoordinatePlane::Linear);
     d->kdPlane->layoutPlanes();
 
     requestRepaint();
 }
 
 bool Axis::scalingIsLogarithmic() const
 {
     return d->logarithmicScaling;
 }
 
 bool Axis::showMajorGrid() const
 {
     return d->showMajorGrid;
 }
 
 void Axis::setShowMajorGrid(bool showGrid)
 {
     d->showMajorGrid = showGrid;
 
     // KChart
     KChart::GridAttributes  attributes = d->kdPlane->gridAttributes(orientation());
     attributes.setGridVisible(d->showMajorGrid);
     d->kdPlane->setGridAttributes(orientation(), attributes);
 
     attributes = d->kdPolarPlane->gridAttributes(true);
     attributes.setGridVisible(d->showMajorGrid);
     d->kdPolarPlane->setGridAttributes(true, attributes);
 
     requestRepaint();
 }
 
 bool Axis::showMinorGrid() const
 {
     return d->showMinorGrid;
 }
 
 void Axis::setShowMinorGrid(bool showGrid)
 {
     d->showMinorGrid = showGrid;
 
     // KChart
     KChart::GridAttributes  attributes = d->kdPlane->gridAttributes(orientation());
     attributes.setSubGridVisible(d->showMinorGrid);
     d->kdPlane->setGridAttributes(orientation(), attributes);
 
     attributes = d->kdPolarPlane->gridAttributes(true);
     attributes.setSubGridVisible(d->showMinorGrid);
     d->kdPolarPlane->setGridAttributes(true, attributes);
 
     requestRepaint();
 }
 
 void Axis::setTitleText(const QString &text)
 {
     d->titleData->document()->setPlainText(text);
 }
 
 void Axis::setShowLabels(bool show)
 {
     d->showLabels = show;
 
     KChart::TextAttributes textAttr = d->kdAxis->textAttributes();
     textAttr.setVisible(show);
     d->kdAxis->setTextAttributes(textAttr);
 }
 
 void Axis::setShowOverlappingDataLabels(bool show)
 {
     d->showOverlappingDataLabels = show;
 }
 
 Qt::Orientation Axis::orientation() const
 {
     bool chartIsVertical = d->plotArea->isVertical();
     bool horizontal = d->dimension == (chartIsVertical ? YAxisDimension
                                                        : XAxisDimension);
     return horizontal ? Qt::Horizontal : Qt::Vertical;
 }
 
 bool Axis::loadOdf(const KoXmlElement &axisElement, KoShapeLoadingContext &context)
 {
     KoStyleStack &styleStack = context.odfLoadingContext().styleStack();
     KoOdfStylesReader &stylesReader = context.odfLoadingContext().stylesReader();
     OdfLoadingHelper *helper = (OdfLoadingHelper*)context.sharedData(OdfLoadingHelperId);
     bool reverseAxis = false;
 
     d->title->setVisible(false);
 
     QPen gridPen(Qt::NoPen);
     QPen subGridPen(Qt::NoPen);
 
     d->showMajorGrid = false;
     d->showMinorGrid = false;
 
     d->showInnerMinorTicks = false;
     d->showOuterMinorTicks = false;
     d->showInnerMajorTicks = false;
     d->showOuterMajorTicks = true;
 
     // Use automatic interval calculation by default
     setMajorInterval(0.0);
     setMinorInterval(0.0);
 
     if (!axisElement.isNull()) {
 
         QString styleName = axisElement.attributeNS(KoXmlNS::chart, "style-name", QString());
         const KoXmlElement *stylElement = stylesReader.findStyle(styleName, "chart");
         if (stylElement) {
             const QString dataStyleName = stylElement->attributeNS(KoXmlNS::style, "data-style-name", QString());
             if (!dataStyleName.isEmpty() && stylesReader.dataFormats().contains(dataStyleName)) {
                 delete d->numericStyleFormat;
                 d->numericStyleFormat = new KoOdfNumberStyles::NumericStyleFormat(stylesReader.dataFormats()[dataStyleName].first);
             }
         }
 
         KoXmlElement n;
         forEachElement (n, axisElement) {
             if (n.namespaceURI() != KoXmlNS::chart)
                 continue;
             if (n.localName() == "title") {
                 OdfHelper::loadOdfTitle(d->title, n, context);
                 // title shall *always* have AutoResize
                 d->titleData->setResizeMethod(KoTextShapeDataBase::AutoResize);
             }
             else if (n.localName() == "grid") {
                 bool major = false;
                 if (n.hasAttributeNS(KoXmlNS::chart, "class")) {
                     const QString className = n.attributeNS(KoXmlNS::chart, "class");
                     if (className == "major")
                         major = true;
                 } else {
                     warnChart << "Error: Axis' <chart:grid> element contains no valid class. It must be either \"major\" or \"minor\".";
                     continue;
                 }
 
                 if (major) {
                     d->showMajorGrid = true;
                 } else {
                     d->showMinorGrid = true;
                 }
 
                 if (n.hasAttributeNS(KoXmlNS::chart, "style-name")) {
                     styleStack.clear();
                     context.odfLoadingContext().fillStyleStack(n, KoXmlNS::style, "style-name", "chart");
                     styleStack.setTypeProperties("graphic");
                     if (styleStack.hasProperty(KoXmlNS::svg, "stroke-color")) {
                         const QString strokeColor = styleStack.property(KoXmlNS::svg, "stroke-color");
                         //d->showMajorGrid = true;
                         if (major)
                             gridPen = QPen(QColor(strokeColor));
                         else
                             subGridPen = QPen(QColor(strokeColor));
                     }
                 }
             }
             else if (n.localName() == "categories") {
                 if (n.hasAttributeNS(KoXmlNS::table, "cell-range-address")) {
                     const CellRegion region = CellRegion(helper->tableSource, n.attributeNS(KoXmlNS::table, "cell-range-address"));
                     helper->categoryRegionSpecifiedInXAxis = true;
                     plotArea()->proxyModel()->setCategoryDataRegion(region);
                 }
             }
         }
 
         if (axisElement.hasAttributeNS(KoXmlNS::chart, "axis-name")) {
             const QString name = axisElement.attributeNS(KoXmlNS::chart, "name", QString());
             setName(name);
         }
 
         // NOTE: chart:dimension already handled by PlotArea before and passed
         // explicitly in the constructor.
     } else {
         warnChartOdf<<"No axis element";
     }
 
     if (axisElement.hasAttributeNS(KoXmlNS::chart, "style-name")) {
         styleStack.clear();
         context.odfLoadingContext().fillStyleStack(axisElement, KoXmlNS::chart, "style-name", "chart");
 
         KoCharacterStyle charStyle;
         charStyle.loadOdf(&axisElement, context);
         setFont(charStyle.font());
 
         styleStack.setTypeProperties("chart");
 
         if (styleStack.hasProperty(KoXmlNS::chart, "logarithmic")
             && styleStack.property(KoXmlNS::chart, "logarithmic") == "true")
         {
             setScalingLogarithmic(true);
         }
 
         if (styleStack.hasProperty(KoXmlNS::chart, "reverse-direction")
             && styleStack.property(KoXmlNS::chart, "reverse-direction") == "true")
         {
             reverseAxis = true;
         }
 
         if (styleStack.hasProperty(KoXmlNS::chart, "interval-major"))
             setMajorInterval(KoUnit::parseValue(styleStack.property(KoXmlNS::chart, "interval-major")));
         if (styleStack.hasProperty(KoXmlNS::chart, "interval-minor-divisor"))
             setMinorIntervalDivisor(KoUnit::parseValue(styleStack.property(KoXmlNS::chart, "interval-minor-divisor")));
         else if (styleStack.hasProperty(KoXmlNS::chart, "interval-minor"))
             setMinorInterval(KoUnit::parseValue(styleStack.property(KoXmlNS::chart, "interval-minor")));
 
         if (styleStack.hasProperty(KoXmlNS::chart, "tick-marks-minor-inner"))
             setShowInnerMinorTicks(styleStack.property(KoXmlNS::chart, "tick-marks-minor-inner") == "true");
         if (styleStack.hasProperty(KoXmlNS::chart, "tick-marks-minor-outer"))
             setShowOuterMinorTicks(styleStack.property(KoXmlNS::chart, "tick-marks-minor-outer") == "true");
         if (styleStack.hasProperty(KoXmlNS::chart, "tick-marks-major-inner"))
             setShowInnerMajorTicks(styleStack.property(KoXmlNS::chart, "tick-marks-major-inner") == "true");
         if (styleStack.hasProperty(KoXmlNS::chart, "tick-marks-major-outer"))
             setShowOuterMajorTicks(styleStack.property(KoXmlNS::chart, "tick-marks-major-outer") == "true");
 
         if (styleStack.hasProperty(KoXmlNS::chart, "display-label"))
             setShowLabels(styleStack.property(KoXmlNS::chart, "display-label") != "false");
         if (styleStack.hasProperty(KoXmlNS::chart, "text-overlap"))
             setShowOverlappingDataLabels(styleStack.property(KoXmlNS::chart, "text-overlap") != "false");
         if (styleStack.hasProperty(KoXmlNS::chart, "visible"))
             setVisible(styleStack.property(KoXmlNS::chart, "visible")  != "false");
         if (styleStack.hasProperty(KoXmlNS::chart, "minimum")) {
             const qreal minimum = styleStack.property(KoXmlNS::chart, "minimum").toDouble();
             const qreal maximum = orientation() == Qt::Vertical
                                     ? d->kdPlane->verticalRange().second
                                     : d->kdPlane->horizontalRange().second;
             if (orientation() == Qt::Vertical)
                 d->kdPlane->setVerticalRange(qMakePair(minimum, maximum));
             else
                 d->kdPlane->setHorizontalRange(qMakePair(minimum, maximum));
             d->useAutomaticMinimumRange = false;
         }
         if (styleStack.hasProperty(KoXmlNS::chart, "maximum")) {
             const qreal minimum = orientation() == Qt::Vertical
                                     ? d->kdPlane->verticalRange().first
                                     : d->kdPlane->horizontalRange().first;
             const qreal maximum = styleStack.property(KoXmlNS::chart, "maximum").toDouble();
             if (orientation() == Qt::Vertical)
                 d->kdPlane->setVerticalRange(qMakePair(minimum, maximum));
             else
                 d->kdPlane->setHorizontalRange(qMakePair(minimum, maximum));
             d->useAutomaticMaximumRange = false;
         }
         /*if (styleStack.hasProperty(KoXmlNS::chart, "origin")) {
             const qreal origin = KoUnit::parseValue(styleStack.property(KoXmlNS::chart, "origin"));
         }*/
         styleStack.setTypeProperties("chart");
         if (styleStack.hasProperty(KoXmlNS::chart, "axis-position")) {
             d->axisPosition = styleStack.property(KoXmlNS::chart, "axis-position");
         }
         if (styleStack.hasProperty(KoXmlNS::chart, "axis-label-position")) {
             d->axisLabelsPosition = styleStack.property(KoXmlNS::chart, "axis-label-position");
         }
 
         styleStack.setTypeProperties("text");
         if (styleStack.hasProperty(KoXmlNS::fo, "font-size")) {
             const qreal fontSize = KoUnit::parseValue(styleStack.property(KoXmlNS::fo, "font-size"));
             setFontSize(fontSize);
         }
         if (styleStack.hasProperty(KoXmlNS::fo, "font-color")) {
             QString fontColorString =  styleStack.property(KoXmlNS::fo, "font-color");
             QColor color(fontColorString);
             if (color.isValid()) {
                 KChart::TextAttributes tatt =  kdAxis()->textAttributes();
                 QPen pen = tatt.pen();
                 pen.setColor(color);
                 tatt.setPen(pen);
                 kdAxis()->setTextAttributes(tatt);
             }
         }
         if (styleStack.hasProperty(KoXmlNS::fo, "font-family")) {
             QString fontFamilyString = styleStack.property(KoXmlNS::fo, "font-family");
             if (!fontFamilyString.isEmpty()) {
                 QFont f = this->font();
                 f.setFamily(fontFamilyString);
                 setFont(f);
             }
         }
         if (styleStack.hasProperty(KoXmlNS::fo, "font-style")) {
             QString fontStyle = styleStack.property(KoXmlNS::fo, "font-style");
             if (fontStyle == "italic") {
                 QFont f = this->font();
                 f.setItalic(true);
                 setFont(f);
             } else if (fontStyle == "oblique") {
                 // TODO
             }
         }
         if (styleStack.hasProperty(KoXmlNS::fo, "font-weight")) {
             QString fontWeight = styleStack.property(KoXmlNS::fo, "font-weight");
             //fo:font-weight attribute are normal, bold, 100, 200, 300, 400, 500, 600, 700, 800 or 900.
             if (fontWeight == "bold") {
                 QFont f = this->font();
                 f.setBold(true);
                 setFont(f);
             } else {
                 // TODO
             }
         }
     } else {
         warnChartOdf<<"Axis element has no style information";
         setShowLabels(KoOdfWorkaround::fixMissingStyle_DisplayLabel(axisElement, context));
     }
 
     KChart::GridAttributes gridAttr = d->kdPlane->gridAttributes(orientation());
     gridAttr.setGridVisible(d->showMajorGrid);
     gridAttr.setSubGridVisible(d->showMinorGrid);
     if (gridPen.style() != Qt::NoPen)
         gridAttr.setGridPen(gridPen);
     if (subGridPen.style() != Qt::NoPen)
         gridAttr.setSubGridPen(subGridPen);
     d->kdPlane->setGridAttributes(orientation(), gridAttr);
 
     gridAttr = d->kdPolarPlane->gridAttributes(orientation());
     gridAttr.setGridVisible(d->showMajorGrid);
     gridAttr.setSubGridVisible(d->showMinorGrid);
     if (gridPen.style() != Qt::NoPen)
         gridAttr.setGridPen(gridPen);
     if (subGridPen.style() != Qt::NoPen)
         gridAttr.setSubGridPen(subGridPen);
 //     if (plotArea()->chartType() == RadarChartType || plotArea()->chartType() == FilledRadarChartType)
 //         d->kdPolarPlane->setGridAttributes(false, gridAttr);
 //     else
     d->kdPolarPlane->setGridAttributes(true, gridAttr);
 
     gridAttr = d->kdRadarPlane->globalGridAttributes();
     gridAttr.setGridVisible(d->showMajorGrid);
     gridAttr.setSubGridVisible(d->showMinorGrid);
     if (gridPen.style() != Qt::NoPen)
         gridAttr.setGridPen(gridPen);
     if (subGridPen.style() != Qt::NoPen)
         gridAttr.setSubGridPen(subGridPen);
     d->kdRadarPlane->setGlobalGridAttributes(gridAttr);
     KChart::TextAttributes ta(d->kdRadarPlane->textAttributes());
     ta.setVisible(helper->categoryRegionSpecifiedInXAxis);
     ta.setFont(font());
     ta.setFontSize(50);
     d->kdRadarPlane->setTextAttributes(ta);
 
     if (reverseAxis) {
         KChart::CartesianCoordinatePlane *plane = dynamic_cast<KChart::CartesianCoordinatePlane*>(kdPlane());
         if (plane) {
             if (orientation() == Qt::Horizontal)
                 plane->setHorizontalRangeReversed(reverseAxis);
             else // Qt::Vertical
                 plane->setVerticalRangeReversed(reverseAxis);
         }
     }
 
     // Style of axis is still in styleStack
     if (!loadOdfChartSubtypeProperties(axisElement, context)) {
         return false;
     }
     if (titleText().isEmpty()) {
         // do not allow visible empty text
         d->title->setVisible(false);
     }
     requestRepaint();
 
     debugChartOdf<<"Loaded axis:"<<name()<<"dimension:"<<dimension();
     return true;
 }
 
 bool Axis::loadOdfChartSubtypeProperties(const KoXmlElement &axisElement,
                                           KoShapeLoadingContext &context)
 {
     Q_UNUSED(axisElement);
     KoStyleStack &styleStack = context.odfLoadingContext().styleStack();
     styleStack.setTypeProperties("chart");
 
     // Load these attributes regardless of the actual chart type. They'll have
     // no effect if their respective chart type is not in use.
     // However, they'll be saved back to ODF that way.
     if (styleStack.hasProperty(KoXmlNS::chart, "gap-width"))
         setGapBetweenSets(KoUnit::parseValue(styleStack.property(KoXmlNS::chart, "gap-width")));
     if (styleStack.hasProperty(KoXmlNS::chart, "overlap"))
         // The minus is intended!
         setGapBetweenBars(-KoUnit::parseValue(styleStack.property(KoXmlNS::chart, "overlap")));
 
     return true;
 }
 
 void Axis::setName(const QString &name)
 {
     d->name = name;
 }
 
 // NOTE: only used during save/load to enable attaching axis to datasets
 QString Axis::name() const
 {
     if (!d->name.isEmpty()) {
         return d->name;
     }
     QString name;
     switch(dimension()) {
         case XAxisDimension:
             name = QLatin1Char('x');
             break;
         case YAxisDimension:
             name = QLatin1Char('y');
             break;
         case ZAxisDimension:
             name = QLatin1Char('z');
             break;
     }
     int i = 1;
     foreach (Axis *axis, d->plotArea->axes()) {
         if (axis == this)
             break;
         if (axis->dimension() == dimension())
             i++;
     }
     if (i == 1)
         name = "primary-" + name;
     else if (i == 2)
         name = "secondary-" + name;
     // Usually, there's not more than two axes of the same dimension.
     // But use a fallback name here nevertheless.
     else
         name = QString::number(i) + '-' + name;
 
     return name;
 }
 
 void Axis::saveOdf(KoShapeSavingContext &context)
 {
     KoXmlWriter &bodyWriter = context.xmlWriter();
     KoGenStyles &mainStyles = context.mainStyles();
     bodyWriter.startElement("chart:axis");
 
     KoGenStyle axisStyle(KoGenStyle::ChartAutoStyle, "chart");
     axisStyle.addProperty("chart:logarithmic", scalingIsLogarithmic());
 
 
     axisStyle.addProperty("chart:reverse-direction", axisDirectionReversed());
     if (!d->axisPosition.isEmpty()) {
         axisStyle.addProperty("chart:axis-position", d->axisPosition);
     }
     if (!d->axisLabelsPosition.isEmpty()) {
         axisStyle.addProperty("chart:axis-label-position", d->axisLabelsPosition);
     }
 
     axisStyle.addProperty("chart:tick-marks-minor-inner", showInnerMinorTicks());
     axisStyle.addProperty("chart:tick-marks-minor-outer", showOuterMinorTicks());
     axisStyle.addProperty("chart:tick-marks-major-inner", showInnerMajorTicks());
     axisStyle.addProperty("chart:tick-marks-major-outer", showOuterMajorTicks());
 
     axisStyle.addProperty("chart:display-label", showLabels());
     axisStyle.addProperty("chart:text-overlap", showOverlappingDataLabels());
     axisStyle.addProperty("chart:visible", isVisible());
     if (dimension() == YAxisDimension) {
         axisStyle.addProperty("chart:gap-width", d->gapBetweenSets);
         axisStyle.addProperty("chart:overlap", -d->gapBetweenBars);
     }
 
     if (!d->useAutomaticMinimumRange) {
         const qreal minimum = orientation() == Qt::Vertical
                             ? d->kdPlane->verticalRange().first
                             : d->kdPlane->horizontalRange().first;
         axisStyle.addProperty("chart:minimum", (int)minimum);
     }
     if (!d->useAutomaticMaximumRange) {
         const qreal maximum = orientation() == Qt::Vertical
                             ? d->kdPlane->verticalRange().second
                             : d->kdPlane->horizontalRange().second;
         axisStyle.addProperty("chart:maximum", (int)maximum);
     }
 
     //axisStyle.addPropertyPt("chart:origin", origin);
 
     KChart::TextAttributes tatt =  kdAxis()->textAttributes();
     QPen pen = tatt.pen();
     axisStyle.addProperty("fo:font-color", pen.color().name(), KoGenStyle::TextType);
     axisStyle.addProperty("fo:font-family", tatt.font().family(), KoGenStyle::TextType);
     axisStyle.addPropertyPt("fo:font-size", fontSize(), KoGenStyle::TextType);
     if (font().bold()) {
         axisStyle.addProperty("fo:font-weight", "bold" , KoGenStyle::TextType);
         // TODO support other weights
     }
     if (font().italic()) {
         axisStyle.addProperty("fo:font-style", "italic" , KoGenStyle::TextType);
         // TODO oblique
     }
 
     const QString styleName = mainStyles.insert(axisStyle, "ch");
     bodyWriter.addAttribute("chart:style-name", styleName);
 
     // TODO scale: logarithmic/linear
     // TODO visibility
 
     if (dimension() == XAxisDimension)
         bodyWriter.addAttribute("chart:dimension", "x");
     else if (dimension() == YAxisDimension)
         bodyWriter.addAttribute("chart:dimension", "y");
 
     bodyWriter.addAttribute("chart:name", name());
 
     OdfHelper::saveOdfTitle(d->title, bodyWriter, "chart:title", context);
 
     if (plotArea()->proxyModel()->categoryDataRegion().isValid()) {
         bodyWriter.startElement("chart:categories");
         bodyWriter.addAttribute("table:cell-range-address", plotArea()->proxyModel()->categoryDataRegion().toString());
         bodyWriter.endElement();
     }
 
     if (showMajorGrid())
         saveOdfGrid(context, OdfMajorGrid);
     if (showMinorGrid())
         saveOdfGrid(context, OdfMinorGrid);
 
     bodyWriter.endElement(); // chart:axis
 }
 
 void Axis::saveOdfGrid(KoShapeSavingContext &context, OdfGridClass gridClass)
 {
     KoXmlWriter &bodyWriter = context.xmlWriter();
     KoGenStyles &mainStyles = context.mainStyles();
 
     KoGenStyle gridStyle(KoGenStyle::GraphicAutoStyle, "chart");
 
     KChart::GridAttributes attributes = d->kdPlane->gridAttributes(orientation());
     QPen gridPen = (gridClass == OdfMinorGrid ? attributes.subGridPen() : attributes.gridPen());
     KoOdfGraphicStyles::saveOdfStrokeStyle(gridStyle, mainStyles, gridPen);
 
     bodyWriter.startElement("chart:grid");
     bodyWriter.addAttribute("chart:class", gridClass == OdfMinorGrid ? "minor" : "major");
 
     bodyWriter.addAttribute("chart:style-name", mainStyles.insert(gridStyle, "ch"));
     bodyWriter.endElement(); // chart:grid
 }
 
 void Axis::update() const
 {
     if (d->kdBarDiagram) {
         d->kdBarDiagram->doItemsLayout();
         d->kdBarDiagram->update();
     }
 
     if (d->kdLineDiagram) {
         d->kdLineDiagram->doItemsLayout();
         d->kdLineDiagram->update();
     }
 
     if (d->kdStockDiagram) {
         d->kdStockDiagram->doItemsLayout();
         d->kdStockDiagram->update();
     }
 
     d->plotArea->parent()->requestRepaint();
 }
 
 KChart::CartesianAxis *Axis::kdAxis() const
 {
     return d->kdAxis;
 }
 
 KChart::AbstractCoordinatePlane *Axis::kdPlane() const
 {
     return d->kdPlane;
 }
 
 void Axis::plotAreaChartTypeChanged(ChartType newChartType)
 {
     if (dimension() != YAxisDimension)
         return;
 
     // Return if there's nothing to do
     if (newChartType == d->plotAreaChartType)
         return;
 
     if (d->dataSets.isEmpty()) {
         d->plotAreaChartType = newChartType;
         return;
     }
 
     //qDebug() << "changed ChartType";
 
     ChartType oldChartType = d->plotAreaChartType;
 
     debugChartAxis<<oldChartType<<"->"<<newChartType;
     // Change only the fill in case of type change from RadarChartType to FilledRadarChartType
     // or viceversa as rest of the properties remain same
     if (newChartType == RadarChartType && oldChartType == FilledRadarChartType) {
         d->kdRadarDiagram->setFillAlpha(0);
     } else if (newChartType == FilledRadarChartType && oldChartType == RadarChartType) {
         d->kdRadarDiagram->setFillAlpha(0.4);
     } else {
         KChart::AbstractDiagram *newDiagram = d->getDiagram(newChartType);
         if (newDiagram) {
             debugChartAxis<<"already exists:"<<newDiagram;
             // Some dataset(s) have been attached to this diagram,
             // we delete it to get a fresh start
             d->deleteDiagram(newDiagram);
         }
         newDiagram = d->getDiagramAndCreateIfNeeded(newChartType);
 
         KChartModel *newModel = dynamic_cast<KChartModel*>(newDiagram->model());
         // FIXME: This causes a crash on unimplemented types. We should
         //        handle that in some other way.
         Q_ASSERT(newModel);
 
         foreach (DataSet *dataSet, d->dataSets) {
             //if (dataSet->chartType() != LastChartType) {
                 dataSet->setChartType(LastChartType);
                 dataSet->setChartSubType(NoChartSubtype);
             //}
         }
 
         KChart::AbstractDiagram *oldDiagram = d->getDiagram(oldChartType);
         Q_ASSERT(oldDiagram);
         // We need to know the old model so that we can remove the data sets
         // from the old model that we added to the new model.
         KChartModel *oldModel = dynamic_cast<KChartModel*>(oldDiagram->model());
         Q_ASSERT(oldModel);
 
         foreach (DataSet *dataSet, d->dataSets) {
             if (dataSet->chartType() != LastChartType) {
                 continue;
             }
             newModel->addDataSet(dataSet);
             const int dataSetCount = oldModel->dataDirection() == Qt::Vertical
                                      ? oldModel->columnCount() : oldModel->rowCount();
             if (dataSetCount == oldModel->dataDimensions()) {
                 d->deleteDiagram(oldChartType);
             } else {
                 oldModel->removeDataSet(dataSet);
             }
         }
     }
 
     d->plotAreaChartType = newChartType;
 
     layoutPlanes();
 
     requestRepaint();
 }
 
 void Axis::plotAreaChartSubTypeChanged(ChartSubtype subType)
 {
     d->plotAreaChartSubType = subType;
     if (d->kdBarDiagram) {
         d->kdBarDiagram->setUnitSuffix("", d->kdBarDiagram->orientation());
     }
     switch (d->plotAreaChartType) {
     case BarChartType:
         if (d->kdBarDiagram) {
             KChart::BarDiagram::BarType type;
             switch (subType) {
             case StackedChartSubtype:
                 type = KChart::BarDiagram::Stacked; break;
             case PercentChartSubtype:
                 type = KChart::BarDiagram::Percent;
                 d->kdBarDiagram->setUnitSuffix("%", d->kdBarDiagram->orientation());
                 break;
             default:
                 type = KChart::BarDiagram::Normal;
             }
             d->kdBarDiagram->setType(type);
         }
         break;
     case LineChartType:
         if (d->kdLineDiagram) {
             KChart::LineDiagram::LineType type;
             switch (subType) {
             case StackedChartSubtype:
                 type = KChart::LineDiagram::Stacked; break;
             case PercentChartSubtype:
                 type = KChart::LineDiagram::Percent;
                 d->kdLineDiagram->setUnitSuffix("%", Qt::Vertical);
                 break;
             default:
                 type = KChart::LineDiagram::Normal;
             }
             d->kdLineDiagram->setType(type);
         }
         break;
     case AreaChartType:
         if (d->kdAreaDiagram) {
             KChart::LineDiagram::LineType type;
             switch (subType) {
             case StackedChartSubtype:
                 type = KChart::LineDiagram::Stacked; break;
             case PercentChartSubtype:
                 type = KChart::LineDiagram::Percent;
                 d->kdAreaDiagram->setUnitSuffix("%", Qt::Vertical);
                 break;
             default:
                 type = KChart::LineDiagram::Normal;
             }
             d->kdAreaDiagram->setType(type);
         }
         break;
     case RadarChartType:
     case FilledRadarChartType:
 #if 0 // FIXME: Stacked and Percent not supported by KChart
         if (d->kdRadarDiagram) {
             KChart::PolarDiagram::PolarType type;
             switch (subType) {
             case StackedChartSubtype:
                 type = KChart::PolarDiagram::Stacked; break;
             case PercentChartSubtype:
                 type = KChart::PolarDiagram::Percent; break;
             default:
                 type = KChart::PolarDiagram::Normal;
             }
             d->kdRadarDiagram->setType(type);
         }
 #endif
         break;
     case StockChartType:
         if (d->kdStockDiagram) {
             KChart::StockDiagram::Type type;
             switch (subType) {
             case CandlestickChartSubtype:
                 type = KChart::StockDiagram::Candlestick;
                 break;
             case OpenHighLowCloseChartSubtype:
                 type = KChart::StockDiagram::OpenHighLowClose;
                 break;
             default:
                 type = KChart::StockDiagram::HighLowClose;
                 break;
             }
             d->kdStockDiagram->setType(type);
         }
         break;
     default:;
         // FIXME: Implement more chart types
     }
     Q_FOREACH(DataSet* set,  d->dataSets) {
         set->setChartType(d->plotAreaChartType);
         set->setChartSubType(subType);
     }
 }
 
 void Axis::plotAreaIsVerticalChanged()
 {
     if (d->kdBarDiagram) {
         d->kdBarDiagram->setOrientation(d->plotArea->isVertical() ? Qt::Horizontal : Qt::Vertical);
     }
     updateKChartAxisPosition();
 }
 
 void Axis::Private::updatePosition()
 {
 //     // Is the first x or y axis?
 //     bool first = (dimension == XAxisDimension) ? plotArea->xAxis() == q
 //                                                : plotArea->yAxis() == q;
 //
 //     Position position;
 //     ItemType type = GenericItemType;
 //     if (q->orientation() == Qt::Horizontal) {
 //         position = first ? BottomPosition : TopPosition;
 //         type = first ? XAxisTitleType : SecondaryXAxisTitleType;
 //     } else {
 //         position = first ? StartPosition : EndPosition;
 //         type = first ? YAxisTitleType : SecondaryYAxisTitleType;
 //     }
 //     // KChart
 //     kdAxis->setPosition(PositionToKChartAxisPosition(position));
 //     ChartLayout *layout = plotArea->parent()->layout();
 //     layout->setPosition(title, position, type);
 //     layout->layout();
 //
 //     q->requestRepaint();
 }
 
 void Axis::registerAxis(Axis *axis)
 {
     if (d->kdBarDiagram) {
         d->kdBarDiagram->addAxis(axis->kdAxis());
         axis->registerDiagram(d->kdBarDiagram);
     }
     if (d->kdLineDiagram) {
         d->kdLineDiagram->addAxis(axis->kdAxis());
         axis->registerDiagram(d->kdLineDiagram);
     }
     if (d->kdAreaDiagram) {
         d->kdAreaDiagram->addAxis(axis->kdAxis());
         axis->registerDiagram(d->kdAreaDiagram);
     }
     if (d->kdScatterDiagram) {
         d->kdScatterDiagram->addAxis(axis->kdAxis());
         axis->registerDiagram(d->kdScatterDiagram);
     }
     if (d->kdStockDiagram) {
         d->kdStockDiagram->addAxis(axis->kdAxis());
         axis->registerDiagram(d->kdStockDiagram);
     }
     if (d->kdBubbleDiagram) {
         d->kdBubbleDiagram->addAxis(axis->kdAxis());
         axis->registerDiagram(d->kdBubbleDiagram);
     }
     // FIXME: Add all diagrams here
 
 }
 
 void Axis::registerDiagram(KChart::AbstractCartesianDiagram *diagram)
 {
     if (!d->diagrams.contains(diagram)) {
         d->diagrams << diagram;
     }
 }
 
 void Axis::Private::restoreDiagrams()
 {
     diagrams.removeAll(nullptr);
     for (KChart::AbstractCartesianDiagram *diag : diagrams) {
         diag->addAxis(kdAxis);
     }
 }
 
 void Axis::removeAxisFromDiagrams(bool clear)
 {
     // HACK to remove an x-axis from a y-axis diagram
     d->diagrams.removeAll(nullptr);
     for (KChart::AbstractCartesianDiagram *diag : d->diagrams) {
         diag->takeAxis(d->kdAxis);
     }
     if (clear) {
         d->diagrams.clear();
     }
 }
 
 void Axis::setThreeD(bool threeD)
 {
     // FIXME: Setting KD Chart attributes does not belong here. They should be
     // determined dynamically somehow.
     // KChart
     if (d->kdBarDiagram) {
         KChart::ThreeDBarAttributes attributes(d->kdBarDiagram->threeDBarAttributes());
         attributes.setEnabled(threeD);
         attributes.setDepth(15.0);
         attributes.setThreeDBrushEnabled(threeD);
         d->kdBarDiagram->setThreeDBarAttributes(attributes);
     }
 
     if (d->kdLineDiagram) {
         KChart::ThreeDLineAttributes attributes(d->kdLineDiagram->threeDLineAttributes());
         attributes.setEnabled(threeD);
         attributes.setDepth(15.0);
         attributes.setThreeDBrushEnabled(threeD);
         d->kdLineDiagram->setThreeDLineAttributes(attributes);
     }
 
     if (d->kdAreaDiagram) {
         KChart::ThreeDLineAttributes attributes(d->kdAreaDiagram->threeDLineAttributes());
         attributes.setEnabled(threeD);
         attributes.setDepth(15.0);
         attributes.setThreeDBrushEnabled(threeD);
         d->kdAreaDiagram->setThreeDLineAttributes(attributes);
     }
 
     if (d->kdCircleDiagram) {
         KChart::ThreeDPieAttributes attributes(d->kdCircleDiagram->threeDPieAttributes());
         attributes.setEnabled(threeD);
         attributes.setDepth(15.0);
         attributes.setThreeDBrushEnabled(threeD);
         d->kdCircleDiagram->setThreeDPieAttributes(attributes);
     }
 
     if (d->kdRingDiagram) {
         KChart::ThreeDPieAttributes attributes(d->kdRingDiagram->threeDPieAttributes());
         attributes.setEnabled(threeD);
         attributes.setDepth(15.0);
         attributes.setThreeDBrushEnabled(threeD);
         d->kdRingDiagram->setThreeDPieAttributes(attributes);
     }
 
     // The following types don't support 3D, at least not in KChart:
     // scatter, radar, stock, bubble, surface, gantt
 
     requestRepaint();
 }
 
 void Axis::requestRepaint() const
 {
     d->plotArea->requestRepaint();
 }
 
 void Axis::layoutPlanes()
 {
     d->kdPlane->layoutPlanes();
     d->kdPolarPlane->layoutPlanes();
     d->kdRadarPlane->layoutPlanes();
 }
 
 int Axis::gapBetweenBars() const
 {
     return d->gapBetweenBars;
 }
 
 void Axis::setGapBetweenBars(int percent)
 {
     // This method is also used to override KChart's default attributes.
     // Do not just return and do nothing if value doesn't differ from stored one.
     d->gapBetweenBars = percent;
 
     if (d->kdBarDiagram) {
         KChart::BarAttributes attributes = d->kdBarDiagram->barAttributes();
         attributes.setBarGapFactor((float)percent / 100.0);
         d->kdBarDiagram->setBarAttributes(attributes);
     }
 
     requestRepaint();
 }
 
 int Axis::gapBetweenSets() const
 {
     return d->gapBetweenSets;
 }
 
 void Axis::setGapBetweenSets(int percent)
 {
     // This method is also used to override KChart's default attributes.
     // Do not just return and do nothing if value doesn't differ from stored one.
     d->gapBetweenSets = percent;
 
     if (d->kdBarDiagram) {
         KChart::BarAttributes attributes = d->kdBarDiagram->barAttributes();
         attributes.setGroupGapFactor((float)percent / 100.0);
         d->kdBarDiagram->setBarAttributes(attributes);
     }
 
     requestRepaint();
 }
 
 void Axis::setAngleOffset(qreal angle)
 {
     // only set if we already have a diagram else the value will be picked up on creating the diagram
     if (d->kdPolarPlane->diagram()) {
         d->kdPolarPlane->setStartPosition(angle);
 
         requestRepaint();
     }
 }
 
 void Axis::setHoleSize(qreal value)
 {
     //TODO KChart does not support
 }
 
 QFont Axis::font() const
 {
     return d->kdAxis->textAttributes().font();
 }
 
 void Axis::setFont(const QFont &font)
 {
     // Set the KChart axis to use this font
     KChart::TextAttributes attr = d->kdAxis->textAttributes();
     attr.setFont(font);
     d->kdAxis->setTextAttributes(attr);
 }
 
 qreal Axis::fontSize() const
 {
     return d->kdAxis->textAttributes().fontSize().value();
 }
 
 void Axis::setFontSize(qreal size)
 {
     // KChart has its own fontsize storage, it does not use QFont
     KChart::TextAttributes attributes = d->kdAxis->textAttributes();
     attributes.setFontSize(KChart::Measure(size, KChartEnums::MeasureCalculationModeAbsolute));
     d->kdAxis->setTextAttributes(attributes);
 
     // Keep font in sync
     QFont f = font();
     f.setPointSizeF(size);
     setFont(f);
 }
 
 bool Axis::isVisible() const
 {
     return d->isVisible;
 }
 
 void Axis::setVisible(bool visible)
 {
     debugChartAxis<<d->isVisible<<"->"<<visible<<d->kdBarDiagram;
     d->isVisible = visible;
     if (visible) {
         d->restoreDiagrams();
     } else {
         removeAxisFromDiagrams();
     }
 }
 
 KoOdfNumberStyles::NumericStyleFormat *Axis::numericStyleFormat() const
 {
     return d->numericStyleFormat;
 }
 
 void Axis::SetNumericStyleFormat(KoOdfNumberStyles::NumericStyleFormat *numericStyleFormat) const
 {
     delete d->numericStyleFormat;
     d->numericStyleFormat = numericStyleFormat;
 }
 
 void Axis::setOdfAxisPosition(const QString &odfpos)
 {
     d->axisPosition = odfpos;
 }
 
 QString Axis::odfAxisPosition() const
 {
     return d->axisPosition;
 }
 
 void Axis::updateKChartAxisPosition()
 {
     if (!isCartesian(d->plotArea->chartType())) {
         debugChartAxis<<name()<<"Not a cartesian chart"<<d->plotArea->chartType();
         return;
     }
     KChart::CartesianAxis::Position pos;
     if (d->plotArea->xAxis() == this) {
         if (d->plotArea->isVertical()) {
             pos = KChart::CartesianAxis::Left;
             if (d->axisPosition == "end") {
                 pos = KChart::CartesianAxis::Right;
             }
             Axis *yAxis = d->plotArea->yAxis();
             if (yAxis && yAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Left ? KChart::CartesianAxis::Right : KChart::CartesianAxis::Left;
             }
         } else {
             pos = KChart::CartesianAxis::Bottom;
             if (d->axisPosition == "end") {
                 pos = KChart::CartesianAxis::Top;
             }
             Axis *yAxis = d->plotArea->yAxis();
             if (yAxis && yAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Bottom ? KChart::CartesianAxis::Top : KChart::CartesianAxis::Bottom;
             }
         }
         d->kdAxis->setPosition(pos);
     } else if (d->plotArea->yAxis() == this) {
         if (d->plotArea->isVertical()) {
             pos = KChart::CartesianAxis::Bottom;
             if (d->axisPosition == "end") {
                 pos = KChart::CartesianAxis::Top;
             }
             Axis *xAxis = d->plotArea->xAxis();
             if (xAxis && xAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Bottom ? KChart::CartesianAxis::Top : KChart::CartesianAxis::Bottom;
             }
         } else {
             pos = KChart::CartesianAxis::Left;
             if (d->axisPosition == "end") {
                 pos = KChart::CartesianAxis::Right;
             }
             Axis *xAxis = d->plotArea->xAxis();
             if (xAxis && xAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Left ? KChart::CartesianAxis::Right : KChart::CartesianAxis::Left;
             }
         }
         d->kdAxis->setPosition(pos);
     } else if (d->plotArea->secondaryXAxis() == this) {
         if (d->plotArea->isVertical()) {
             pos = KChart::CartesianAxis::Right;
             if (d->axisPosition == "start") {
                 pos = KChart::CartesianAxis::Left;
             }
             Axis *yAxis = d->plotArea->yAxis();
             if (yAxis && yAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Left ? KChart::CartesianAxis::Right : KChart::CartesianAxis::Left;
             }
         } else {
             pos = KChart::CartesianAxis::Top;
             if (d->axisPosition == "start") {
                 pos = KChart::CartesianAxis::Bottom;
             }
             Axis *yAxis = d->plotArea->yAxis();
             if (yAxis && yAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Top ? KChart::CartesianAxis::Bottom : KChart::CartesianAxis::Top;
             }
         }
         d->kdAxis->setPosition(pos);
     } else if (d->plotArea->secondaryYAxis() == this) {
         if (d->plotArea->isVertical()) {
             pos = KChart::CartesianAxis::Top;
             if (d->axisPosition == "start") {
                 pos = KChart::CartesianAxis::Bottom;
             }
             Axis *xAxis = d->plotArea->xAxis();
             if (xAxis && xAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Bottom ? KChart::CartesianAxis::Top : KChart::CartesianAxis::Bottom;
             }
         } else {
             pos = KChart::CartesianAxis::Right;
             if (d->axisPosition == "start") {
                 pos = KChart::CartesianAxis::Left;
             }
             Axis *xAxis = d->plotArea->xAxis();
             if (xAxis && xAxis->axisDirectionReversed()) {
                 pos = pos == KChart::CartesianAxis::Right ? KChart::CartesianAxis::Left : KChart::CartesianAxis::Right;
             }
         }
         d->kdAxis->setPosition(pos);
     }
     debugChartAxis<<name()<<d->kdAxis<<pos<<d->kdAxis->isAbscissa();
     d->plotArea->plotAreaUpdate();
 }
 
 CartesianAxis::Position Axis::kchartAxisPosition() const
 {
     return d->kdAxis->position();
 }
 
 CartesianAxis::Position Axis::actualAxisPosition() const
 {
     CartesianAxis::Position pos = d->kdAxis->position();
     if (d->plotArea->isVertical()) {
         switch (pos) {
             case KChart::CartesianAxis::Bottom:
                 pos = KChart::CartesianAxis::Left;
                 break;
             case KChart::CartesianAxis::Top:
                 pos = KChart::CartesianAxis::Right;
                 break;
             case KChart::CartesianAxis::Left:
                 pos = KChart::CartesianAxis::Bottom;
                 break;
             case KChart::CartesianAxis::Right:
                 pos = KChart::CartesianAxis::Top;
                 break;
         }
     }
     return pos;
 }
 
 bool Axis::axisDirectionReversed() const
 {
     bool reversed = false;
     KChart::CartesianCoordinatePlane *plane = dynamic_cast<KChart::CartesianCoordinatePlane*>(kdPlane());
     if (plane) {
         if (orientation() == Qt::Horizontal)
             reversed = plane->isHorizontalRangeReversed();
         else // Qt::Vertical
             reversed = plane->isVerticalRangeReversed();
     }
     return reversed;
 }
 
 void Axis::setOdfAxisLabelsPosition(const QString &odfpos)
 {
     d->axisLabelsPosition = odfpos;
 }
 
 QString Axis::odfAxisLabelsPosition() const
 {
     return d->axisLabelsPosition;
 }
 
 void Axis::updateKChartStockAttributes()
 {
     if (d->kdStockDiagram) {
         d->kdStockDiagram->setLowHighLinePen(d->plotArea->stockRangeLinePen());
         d->kdStockDiagram->setUpTrendCandlestickBrush(d->plotArea->stockGainBrush());
         d->kdStockDiagram->setDownTrendCandlestickBrush(d->plotArea->stockLossBrush());
         d->kdStockDiagram->setUpTrendCandlestickPen(d->plotArea->stockRangeLinePen());
         d->kdStockDiagram->setDownTrendCandlestickPen(d->plotArea->stockRangeLinePen());
     }
 }
 
 QDebug operator<<(QDebug dbg, KoChart::Axis *a)
 {
     dbg.nospace().noquote() <<"Axis["<<a->name()<<']';
     return dbg.space().quote();
 }