Example usage for org.jfree.chart.renderer.category BarRenderer findRangeBounds

Introduction

In this page you can find the example usage for org.jfree.chart.renderer.category BarRenderer findRangeBounds.

Prototype

@Override
public Range findRangeBounds(CategoryDataset dataset) 

Source Link

Document

Returns the range of values the renderer requires to display all the items from the specified dataset.

Usage

From source file:playground.dgrether.signalsystems.utils.DgSignalPlanChart.java

public JFreeChart createSignalPlanChart(String title, String xAxisTitle, String yAxisTitle) {
    JFreeChart chart = ChartFactory.createStackedBarChart(title, xAxisTitle, yAxisTitle, this.dataset,
            PlotOrientation.HORIZONTAL, false, false, false);
    DgDefaultAxisBuilder axis = new DgDefaultAxisBuilder();
    CategoryPlot plot = chart.getCategoryPlot();

    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.black);
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    CategoryAxis xAxis = axis.createCategoryAxis(xAxisTitle);
    plot.setDomainAxis(xAxis);//from  ww w .j a v  a 2  s . c  o  m
    ValueAxis yAxis = axis.createValueAxis(yAxisTitle);
    yAxis.setUpperBound(this.tMax);
    yAxis.setLowerBound(this.tMin);
    plot.setRangeAxis(yAxis);

    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.findRangeBounds(dataset);
    renderer.setShadowVisible(false);
    //      renderer.setItemMargin(10.005);
    renderer.setMaximumBarWidth(0.2);
    for (Entry<Integer, Color> ee : seriesColor.entrySet()) {
        renderer.setSeriesPaint(ee.getKey(), ee.getValue());
        //         renderer.setSeriesStroke(ee.getKey(), new BasicStroke(50));
    }
    plot.setRenderer(renderer);
    //      chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    //      chart.setBackgroundPaint(ChartColor.WHITE);
    //      chart.removeLegend();
    return chart;
}

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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  ww .ja  v a 2  s.c  om
 * 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;
}

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