Example usage for org.jfree.chart JFreeChart getCategoryPlot

List of usage examples for org.jfree.chart JFreeChart getCategoryPlot

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Introduction

In this page you can find the example usage for org.jfree.chart JFreeChart getCategoryPlot.

Prototype

public CategoryPlot getCategoryPlot()

Source Link

Document

Returns the plot cast as a CategoryPlot .

Usage

From source file:org.tap4j.plugin.util.GraphHelper.java

/**
 * Creates the graph displayed on Method results page to compare execution
 * duration and status of a test method across builds.
 * /*from w  w w .j a  v  a  2 s. c  o  m*/
 * At max, 9 older builds are displayed.
 * 
 * @param req
 *            request
 * @param dataset
 *            data set to be displayed on the graph
 * @param statusMap
 *            a map with build as key and the test methods execution status
 *            (result) as the value
 * @param methodUrl
 *            URL to get to the method from a build test result page
 * @return the chart
 */
public static JFreeChart createMethodChart(StaplerRequest req, final CategoryDataset dataset,
        final Map<NumberOnlyBuildLabel, String> statusMap, final String methodUrl) {

    final JFreeChart chart = ChartFactory.createBarChart(null, // chart
            // title
            null, // unused
            " Duration (secs)", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            true // urls
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    chart.setBackgroundPaint(Color.white);
    chart.removeLegend();

    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.WHITE);
    plot.setOutlinePaint(null);
    plot.setForegroundAlpha(0.8f);
    plot.setDomainGridlinesVisible(true);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.black);

    CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
    plot.setDomainAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.setCategoryMargin(0.0);

    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    BarRenderer br = new BarRenderer() {

        private static final long serialVersionUID = 961671076462240008L;
        Map<String, Paint> statusPaintMap = new HashMap<String, Paint>();

        {
            statusPaintMap.put("PASS", ColorPalette.BLUE);
            statusPaintMap.put("SKIP", ColorPalette.YELLOW);
            statusPaintMap.put("FAIL", ColorPalette.RED);
        }

        /**
         * Returns the paint for an item. Overrides the default behavior
         * inherited from AbstractSeriesRenderer.
         * 
         * @param row
         *            the series.
         * @param column
         *            the category.
         * 
         * @return The item color.
         */
        public Paint getItemPaint(final int row, final int column) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(column);
            Paint paint = statusPaintMap.get(statusMap.get(label));
            // when the status of test method is unknown, use gray color
            return paint == null ? Color.gray : paint;
        }
    };

    br.setBaseToolTipGenerator(new CategoryToolTipGenerator() {
        public String generateToolTip(CategoryDataset dataset, int row, int column) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(column);
            if ("UNKNOWN".equals(statusMap.get(label))) {
                return "unknown";
            }
            // values are in seconds
            return dataset.getValue(row, column) + " secs";
        }
    });

    br.setBaseItemURLGenerator(new CategoryURLGenerator() {
        public String generateURL(CategoryDataset dataset, int series, int category) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(category);
            if ("UNKNOWN".equals(statusMap.get(label))) {
                // no link when method result doesn't exist
                return null;
            }
            // return label.build.getUpUrl() + label.build.getNumber() + "/" + PluginImpl.URL + "/" + methodUrl;
            return label.build.getUpUrl() + label.build.getNumber() + "/tap/" + methodUrl;
        }
    });

    br.setItemMargin(0.0);
    br.setMinimumBarLength(5);
    // set the base to be 1/100th of the maximum value displayed in the
    // graph
    br.setBase(br.findRangeBounds(dataset).getUpperBound() / 100);
    plot.setRenderer(br);

    // crop extra space around the graph
    plot.setInsets(new RectangleInsets(0, 0, 0, 5.0));
    return chart;
}

From source file:hudson.plugins.codecover.portlet.chart.CodeCoverBuilderTrendChart.java

/**
 * Creates a graph for CodeCover Coverage results.
 *
 * @param summaries//from   w w  w .j  a v a2  s.c o  m
 *          HashMap(key = run date and value = Instrumentation tests
 *          results)
 * @param widthParam
 *          the chart width
 * @param heightParam
 *          the chart height
 * @return Graph (JFreeChart)
 */
private static Graph createTrendChart(final Map<LocalDate, CodeCoverCoverageResultSummary> summaries,
        int widthParam, int heightParam) {

    return new Graph(-1, widthParam, heightParam) {

        @Override
        protected JFreeChart createGraph() {

            // Show empty chart
            if (summaries == null) {
                JFreeChart chart = ChartFactory.createStackedAreaChart(null, Constants.AXIS_LABEL,
                        Constants.AXIS_LABEL_VALUE, null, PlotOrientation.VERTICAL, true, false, false);

                return chart;
            }

            int lineNumber = 0;

            JFreeChart chart = ChartFactory.createLineChart("", Constants.AXIS_LABEL,
                    Constants.AXIS_LABEL_VALUE, buildDataSet(summaries), PlotOrientation.VERTICAL, true, false,
                    false);

            chart.setBackgroundPaint(Color.white);

            CategoryPlot plot = chart.getCategoryPlot();

            // Line thickness
            CategoryItemRenderer renderer = plot.getRenderer();
            BasicStroke stroke = new BasicStroke(Constants.LINE_THICKNESS, BasicStroke.CAP_ROUND,
                    BasicStroke.JOIN_ROUND);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber, stroke);

            plot.setBackgroundPaint(Color.WHITE);
            plot.setOutlinePaint(null);
            plot.setForegroundAlpha(Constants.FOREGROUND_ALPHA);
            plot.setRangeGridlinesVisible(true);
            plot.setRangeGridlinePaint(Color.black);

            CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
            plot.setDomainAxis(domainAxis);
            domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
            domainAxis.setLowerMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setUpperMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setCategoryMargin(Constants.DEFAULT_MARGIN);

            NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
            rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
            rangeAxis.setUpperBound(Constants.UPPER_BOUND);
            rangeAxis.setLowerBound(Constants.LOWER_BOUND);

            return chart;

        }
    };
}

From source file:hudson.plugins.karma.portlet.chart.KarmaBuilderTrendChart.java

/**
 * Creates a graph for Karma Coverage results.
 *
 * @param summaries/*  w  w  w  .  j  av  a 2s . c  o m*/
 *          HashMap(key = run date and value = Instrumentation tests
 *          results)
 * @param widthParam
 *          the chart width
 * @param heightParam
 *          the chart height
 * @return Graph (JFreeChart)
 */
private static Graph createTrendChart(final Map<LocalDate, KarmaCoverageResultSummary> summaries,
        int widthParam, int heightParam) {

    return new Graph(-1, widthParam, heightParam) {

        @Override
        protected JFreeChart createGraph() {

            // Show empty chart
            if (summaries == null) {
                JFreeChart chart = ChartFactory.createStackedAreaChart(null, Constants.AXIS_LABEL,
                        Constants.AXIS_LABEL_VALUE, null, PlotOrientation.VERTICAL, true, false, false);

                return chart;
            }

            int lineNumber = 0;

            JFreeChart chart = ChartFactory.createLineChart("", Constants.AXIS_LABEL,
                    Constants.AXIS_LABEL_VALUE, buildDataSet(summaries), PlotOrientation.VERTICAL, true, false,
                    false);

            chart.setBackgroundPaint(Color.white);

            CategoryPlot plot = chart.getCategoryPlot();

            // Line thickness
            CategoryItemRenderer renderer = plot.getRenderer();
            BasicStroke stroke = new BasicStroke(Constants.LINE_THICKNESS, BasicStroke.CAP_ROUND,
                    BasicStroke.JOIN_ROUND);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber, stroke);

            plot.setBackgroundPaint(Color.WHITE);
            plot.setOutlinePaint(null);
            plot.setForegroundAlpha(Constants.FOREGROUND_ALPHA);
            plot.setRangeGridlinesVisible(true);
            plot.setRangeGridlinePaint(Color.black);

            CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
            plot.setDomainAxis(domainAxis);
            domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
            domainAxis.setLowerMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setUpperMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setCategoryMargin(Constants.DEFAULT_MARGIN);

            NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
            rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
            rangeAxis.setUpperBound(Constants.UPPER_BOUND);
            rangeAxis.setLowerBound(Constants.LOWER_BOUND);

            return chart;

        }
    };
}

From source file:hudson.plugins.emma.portlet.chart.EmmaBuilderTrendChart.java

/**
 * Creates a graph for Emma Coverage results.
 *
 * @param summaries//from  w w w . j  a v  a  2  s .  co m
 *          HashMap(key = run date and value = Instrumentation tests
 *          results)
 * @param widthParam
 *          the chart width
 * @param heightParam
 *          the chart height
 * @return Graph (JFreeChart)
 */
private static Graph createTrendChart(final Map<LocalDate, EmmaCoverageResultSummary> summaries, int widthParam,
        int heightParam) {

    return new Graph(-1, widthParam, heightParam) {

        @Override
        protected JFreeChart createGraph() {

            // Show empty chart
            if (summaries == null) {
                JFreeChart chart = ChartFactory.createStackedAreaChart(null, Constants.AXIS_LABEL,
                        Constants.AXIS_LABEL_VALUE, null, PlotOrientation.VERTICAL, true, false, false);

                return chart;
            }

            int lineNumber = 0;

            JFreeChart chart = ChartFactory.createLineChart("", Constants.AXIS_LABEL,
                    Constants.AXIS_LABEL_VALUE, buildDataSet(summaries), PlotOrientation.VERTICAL, true, false,
                    false);

            chart.setBackgroundPaint(Color.white);

            CategoryPlot plot = chart.getCategoryPlot();

            // Line thickness
            CategoryItemRenderer renderer = plot.getRenderer();
            BasicStroke stroke = new BasicStroke(Constants.LINE_THICKNESS, BasicStroke.CAP_ROUND,
                    BasicStroke.JOIN_ROUND);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber, stroke);

            plot.setBackgroundPaint(Color.WHITE);
            plot.setOutlinePaint(null);
            plot.setForegroundAlpha(Constants.FOREGROUND_ALPHA);
            plot.setRangeGridlinesVisible(true);
            plot.setRangeGridlinePaint(Color.black);

            CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
            plot.setDomainAxis(domainAxis);
            domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
            domainAxis.setLowerMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setUpperMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setCategoryMargin(Constants.DEFAULT_MARGIN);

            NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
            rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
            rangeAxis.setUpperBound(Constants.UPPER_BOUND);
            rangeAxis.setLowerBound(Constants.LOWER_BOUND);

            return chart;

        }
    };
}

From source file:org.talend.dataprofiler.chart.util.TopChartFactory.java

/**
 * DOC Zqin Comment method "createBoxAndWhiskerChart".
 * /*w  w  w.ja v  a 2  s .co m*/
 * @param title
 * @param dataset
 * @return
 */
public static JFreeChart createBoxAndWhiskerChart(String title, BoxAndWhiskerCategoryDataset dataset) {
    // ADD msjian TDQ-5112 2012-4-10: after upgrate to jfreechart-1.0.12.jar, change the default chart wallPaint
    ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
    // TDQ-5112~
    JFreeChart chart = ChartFactory.createBoxAndWhiskerChart(null, title,
            Messages.getString("TopChartFactory.Value"), dataset, false); //$NON-NLS-1$
    CategoryPlot plot = chart.getCategoryPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setAutoRange(false);

    double min = dataset.getMinRegularValue("0", "").doubleValue(); //$NON-NLS-1$ //$NON-NLS-2$
    double max = dataset.getMaxRegularValue("0", "").doubleValue(); //$NON-NLS-1$ //$NON-NLS-2$

    double unit = (max - min) / 10;
    rangeAxis.setRange(min - unit, max + unit);
    rangeAxis.setTickUnit(new NumberTickUnit(unit));

    BoxAndWhiskerRenderer renderer = (BoxAndWhiskerRenderer) plot.getRenderer();
    renderer.setArtifactPaint(ChartDecorator.COLOR_LIST.get(1));

    return chart;
}

From source file:hudson.plugins.jacoco.portlet.chart.JacocoBuilderTrendChart.java

/**
 * Creates a graph for JaCoCo Coverage results.
 *
 * @param summaries/*from   www .  ja v  a  2 s .  c  o m*/
 *          HashMap(key = run date and value = Instrumentation tests
 *          results)
 * @param widthParam
 *          the chart width
 * @param heightParam
 *          the chart height
 * @return Graph (JFreeChart)
 */
private static Graph createTrendChart(final Map<LocalDate, JacocoCoverageResultSummary> summaries,
        int widthParam, int heightParam) {

    return new Graph(-1, widthParam, heightParam) {

        @Override
        protected JFreeChart createGraph() {

            // Show empty chart
            if (summaries == null) {
                JFreeChart chart = ChartFactory.createStackedAreaChart(null, Constants.AXIS_LABEL,
                        Constants.AXIS_LABEL_VALUE, null, PlotOrientation.VERTICAL, true, false, false);

                return chart;
            }

            int lineNumber = 0;

            JFreeChart chart = ChartFactory.createLineChart("", Constants.AXIS_LABEL,
                    Constants.AXIS_LABEL_VALUE, buildDataSet(summaries), PlotOrientation.VERTICAL, true, false,
                    false);

            chart.setBackgroundPaint(Color.white);

            CategoryPlot plot = chart.getCategoryPlot();

            // Line thickness
            CategoryItemRenderer renderer = plot.getRenderer();
            BasicStroke stroke = new BasicStroke(Constants.LINE_THICKNESS, BasicStroke.CAP_ROUND,
                    BasicStroke.JOIN_ROUND);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber++, stroke);
            renderer.setSeriesStroke(lineNumber, stroke);

            plot.setBackgroundPaint(Color.WHITE);
            plot.setOutlinePaint(null);
            plot.setForegroundAlpha(Constants.FOREGROUND_ALPHA);
            plot.setRangeGridlinesVisible(true);
            plot.setRangeGridlinePaint(Color.black);

            CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
            plot.setDomainAxis(domainAxis);
            domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
            domainAxis.setLowerMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setUpperMargin(Constants.DEFAULT_MARGIN);
            domainAxis.setCategoryMargin(Constants.DEFAULT_MARGIN);

            NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
            rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
            //rangeAxis.setUpperBound(Constants.UPPER_BOUND);
            rangeAxis.setLowerBound(Constants.LOWER_BOUND);

            return chart;

        }
    };
}

From source file:org.talend.dataprofiler.chart.ChartDecorator.java

public static void decorateStackedBarChart(JFreeChart chart, PlotOrientation orientation) {
    if (chart != null) {
        Plot plot = chart.getPlot();/*from   w ww .j  a  va  2  s  .c o  m*/
        if (plot instanceof CategoryPlot) {
            decorateCategoryPlot(chart, orientation);
            int rowCount = chart.getCategoryPlot().getDataset().getRowCount();
            for (int i = 0; i < rowCount; i++) {
                if (i >= STACK_BAR_COLOR_LIST.size()) {
                    STACK_BAR_COLOR_LIST.add(generateRandomColor(STACK_BAR_COLOR_LIST));
                }
                ((CategoryPlot) plot).getRenderer().setSeriesPaint(i, STACK_BAR_COLOR_LIST.get(i));
            }
        }
    }
}

From source file:org.talend.dataprofiler.chart.ChartDecorator.java

/**
 * // www.  j a  v a2  s . c o m
 * decorate concept chart on semantic Analysis wizard.
 * 
 * @param chart
 * @param orientation
 */
public static void decorateConceptChart(JFreeChart chart, PlotOrientation orientation) {
    if (chart == null) {
        return;
    }
    Plot plot = chart.getPlot();
    if (plot instanceof CategoryPlot) {
        decorateCategoryPlot(chart, orientation);

        int rowCount = chart.getCategoryPlot().getDataset().getRowCount();

        for (int i = 0; i < rowCount; i++) {
            ((CategoryPlot) plot).getRenderer().setSeriesPaint(i, PluginConstant.PRIMARY_BLUE_AWT);
        }

    }

}

From source file:presentation.webgui.vitroappservlet.StyleCreator.java

private static JFreeChart createChart(CategoryDataset dataset, Vector<String> givCategColors,
        Model3dStylesEntry givStyleEntry) {
    String capSimpleName = givStyleEntry.getCorrCapability();
    capSimpleName = capSimpleName.replaceAll(Capability.dcaPrefix, "");
    JFreeChart chart = ChartFactory.createBarChart("Style Legend for " + capSimpleName, // chart title
            null, // domain axis label
            null, // range axis label
            dataset, // data
            PlotOrientation.HORIZONTAL, false, // include legend
            true, false);/*w w  w .  j  a v  a 2 s . c om*/

    chart.getTitle().setFont(new Font("SansSerif", Font.BOLD, 14));
    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    chart.setBackgroundPaint(Color.white); // seen
    CategoryPlot plot = chart.getCategoryPlot();
    chart.setPadding(new RectangleInsets(0, 0, 0, 0)); //new

    plot.setNoDataMessage("NO DATA!");

    Paint[] tmpPaintCategories = { Color.white };
    if (givCategColors.size() > 0) {
        tmpPaintCategories = new Paint[givCategColors.size()];
        for (int i = 0; i < givCategColors.size(); i++) {
            tmpPaintCategories[i] = Color.decode(givCategColors.elementAt(i));
        }
    }

    CategoryItemRenderer renderer = new CustomRenderer(tmpPaintCategories);

    renderer.setSeriesPaint(0, new Color(255, 204, 51)); //new

    plot.setRenderer(renderer);

    plot.setAxisOffset(new RectangleInsets(0, 0, 0, 0)); //new
    plot.setForegroundAlpha(1f); //new
    plot.setBackgroundAlpha(1f); //new
    plot.setInsets(new RectangleInsets(5, 0, 5, 0)); //new was 5,0,5,0
    plot.setRangeGridlinesVisible(false); //new was true
    plot.setBackgroundPaint(Color.white);//new: was (Color.lightGray);
    plot.setOutlinePaint(Color.white);

    //plot.setOrientation(PlotOrientation.HORIZONTAL);

    CategoryAxis domainAxis = plot.getDomainAxis();

    domainAxis.setLowerMargin(0.04);
    domainAxis.setUpperMargin(0.04);
    domainAxis.setVisible(true);
    domainAxis.setLabelAngle(Math.PI / 2);

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setRange(0.0, 100.0); // new: was 100
    rangeAxis.setVisible(false);
    // OPTIONAL CUSTOMISATION COMPLETED.
    return chart;
}

From source file:org.tap4j.plugin.util.GraphHelper.java

public static JFreeChart createChart(StaplerRequest req, CategoryDataset dataset) {

    final JFreeChart chart = ChartFactory.createStackedAreaChart("TAP Tests", // chart title
            null, // unused
            "TAP Tests Count", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            false // urls
    );//from w w w . j a  v a 2s.c  om

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    final LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.RIGHT);

    chart.setBackgroundPaint(Color.white);

    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.WHITE);
    plot.setOutlinePaint(null);
    plot.setForegroundAlpha(0.8f);
    plot.setDomainGridlinesVisible(true);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.black);

    CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
    plot.setDomainAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.setCategoryMargin(0.0);

    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    StackedAreaRenderer ar = new StackedAreaRenderer2() {
        private static final long serialVersionUID = 331915263367089058L;

        @Override
        public String generateURL(CategoryDataset dataset, int row, int column) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(column);
            return label.build.getNumber() + "/" + AbstractTapProjectAction.URL_NAME + "/";
        }

        @Override
        public String generateToolTip(CategoryDataset dataset, int row, int column) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(column);
            TapBuildAction build = label.build.getAction(TapBuildAction.class);
            TapResult report = build.getResult();
            report.tally();

            switch (row) {
            case 0:
                return String.valueOf(report.getFailed()) + " Failure(s)";
            case 1:
                return String.valueOf(report.getPassed()) + " Pass";
            case 2:
                return String.valueOf(report.getSkipped()) + " Skip(s)";
            default:
                return "";
            }
        }

    };

    plot.setRenderer(ar);
    ar.setSeriesPaint(0, ColorPalette.RED); // Failures
    ar.setSeriesPaint(1, ColorPalette.BLUE); // Pass
    ar.setSeriesPaint(2, ColorPalette.YELLOW); // Skips

    // crop extra space around the graph
    plot.setInsets(new RectangleInsets(0, 0, 0, 5.0));

    return chart;
}