Example usage for org.jfree.chart.renderer.xy ClusteredXYBarRenderer setBaseItemLabelGenerator

Introduction

In this page you can find the example usage for org.jfree.chart.renderer.xy ClusteredXYBarRenderer setBaseItemLabelGenerator.

Prototype

@Override
public void setBaseItemLabelGenerator(XYItemLabelGenerator generator) 

Source Link

Document

Sets the base item label generator and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:gov.redhawk.statistics.ui.views.StatisticsView.java

/**
 * This is a callback that will allow us to create the viewer and initialize it.
 *//*from  ww w.  j  av  a2  s  .com*/
@Override
public void createPartControl(Composite comp) {

    parent = comp;
    parent.setLayout(GridLayoutFactory.fillDefaults().margins(10, 10).numColumns(1).create());

    // Custom Action for the View's Menu
    CustomAction customAction = new CustomAction() {

        @Override
        public void run() {
            SettingsDialog dialog = new SettingsDialog(parent.getShell(), datalist.length, curIndex, numBars);
            dialog.create();
            if (dialog.open() == Window.OK) {
                numBars = dialog.getNumBars();
                curIndex = dialog.getSelectedIndex();
                refreshJob.schedule();
            }
        }
    };
    customAction.setText("Settings");
    getViewSite().getActionBars().getMenuManager().add(customAction);

    // creation of chart composite and selection of associated options
    Composite chartComposite = new Composite(parent, SWT.EMBEDDED);
    chartComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

    chart = ChartFactory.createXYBarChart(null, null, false, null, dataSet, PlotOrientation.VERTICAL, false,
            true, false);

    org.eclipse.swt.graphics.Color backgroundColor = chartComposite.getBackground();
    chart.setBackgroundPaint(
            new Color(backgroundColor.getRed(), backgroundColor.getGreen(), backgroundColor.getBlue()));
    chart.getXYPlot().setBackgroundPaint(ChartColor.WHITE);

    Frame chartFrame = SWT_AWT.new_Frame(chartComposite);
    chartFrame.setBackground(
            new Color(backgroundColor.getRed(), backgroundColor.getGreen(), backgroundColor.getBlue()));
    chartFrame.setLayout(new GridLayout());

    ChartPanel jFreeChartPanel = new ChartPanel(chart);
    chartFrame.add(jFreeChartPanel);

    ClusteredXYBarRenderer renderer = new ClusteredXYBarRenderer();
    renderer.setBarPainter(new StandardXYBarPainter());
    renderer.setMargin(0.05);
    renderer.setShadowVisible(false);
    renderer.setBaseItemLabelsVisible(true);
    renderer.setBaseItemLabelGenerator(new XYItemLabelGenerator() {
        @Override
        public String generateLabel(XYDataset dataset, int series, int item) {
            return String.valueOf((int) (dataset.getYValue(series, item)));
        }
    });
    renderer.setBasePaint(new Color(139, 0, 0));
    renderer.setLegendItemLabelGenerator(new XYSeriesLabelGenerator() {

        @Override
        public String generateLabel(XYDataset ds, int i) {
            if (ds.getSeriesCount() == 2) {
                if (i == 0) {
                    return "Real";
                } else if (i == 1) {
                    return "Imaginary";
                } else {
                    return "Complex";
                }
            } else if (ds.getSeriesCount() > 1) {
                return "Dimension " + i;
            }

            return null;
        }
    });
    chart.getXYPlot().setRenderer(renderer);

    dataSet.addChangeListener(new DatasetChangeListener() {

        @Override
        public void datasetChanged(DatasetChangeEvent event) {
            chart.getPlot().datasetChanged(event);

        }
    });

    // creation of the statistics composite
    FormToolkit toolkit = new FormToolkit(parent.getDisplay());
    section = toolkit.createSection(parent, Section.DESCRIPTION | Section.NO_TITLE | Section.CLIENT_INDENT);
    section.setBackground(parent.getBackground());
    section.setDescription("");
    section.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); // layout within parent

    // Composite for storing the data
    Composite composite = toolkit.createComposite(section, SWT.WRAP);
    composite.setBackground(parent.getBackground());
    composite.setLayout(GridLayoutFactory.fillDefaults().margins(10, 10).numColumns(4).create());
    composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); // layout within parent
    toolkit.paintBordersFor(composite);
    section.setClient(composite);

    for (int j = 0; j < STAT_PROPS.length; j++) {
        Label label = new Label(composite, SWT.None);
        label.setText(STAT_PROPS[j] + ":");
        labels[j] = new Label(composite, SWT.None);
        labels[j].setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create());
    }

}

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