Example usage for org.jfree.chart.renderer.category CategoryItemRenderer setItemLabelGenerator

Introduction

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

Prototype

public void setItemLabelGenerator(CategoryItemLabelGenerator generator);

Source Link

Document

Sets the item label generator for ALL series and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:org.posterita.core.BarChart.java

public JFreeChart createChart() throws OperationException {
    if (dataset == null) {
        throw new OperationException("Cannot create Bar chart: cause -> dataset empty!");
    }//w ww  .  j  av  a 2s . co m

    switch (type) {
    case BARCHART_FLAT:
        chart = ChartFactory.createBarChart(title, xLabel, yLabel, dataset, orientation, showLegend,
                showTooltip, true);
        break;

    case BARCHART_3D:
        chart = ChartFactory.createBarChart3D(title, xLabel, yLabel, dataset, orientation, showLegend,
                showTooltip, true);
        break;

    default:
        throw new OperationException(
                "Invalid barchart type! Can only be BarChart.BARCHART_FLAT or BarChart.BARCHART_3D");
    }

    //setting subtitle
    if (subtitle != null) {
        TextTitle title = new TextTitle(subtitle);
        chart.addSubtitle(title);
    }

    CategoryPlot plot = chart.getCategoryPlot();
    NumberAxis axis = (NumberAxis) plot.getRangeAxis();

    //setting tickUnits
    if (integerTickUnits)
        axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    BarRenderer barRender = (BarRenderer) plot.getRenderer();
    barRender.setMaximumBarWidth(maximumBarWidth);

    //displaying labels
    if (showLabels) {
        CategoryItemRenderer itemRender = plot.getRenderer();
        itemRender.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        itemRender.setItemLabelsVisible(true);
    }

    return chart;
}

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From source file:Visuals.BarChart.java

public ChartPanel drawBarChart() {
    DefaultCategoryDataset bardataset = new DefaultCategoryDataset();
    bardataset.addValue(new Double(low), "Low (" + low + ")", lowValue);
    bardataset.addValue(new Double(medium), "Medium (" + medium + ")", mediumValue);
    bardataset.addValue(new Double(high), "High (" + high + ")", highValue);
    bardataset.addValue(new Double(critical), "Critical (" + critical + ")", criticalValue);

    JFreeChart barchart = ChartFactory.createBarChart(title, // Title  
            riskCategory, riskCountTitle, bardataset // Dataset   
    );//  w w w.j  a v a  2 s . c  om

    final CategoryPlot plot = barchart.getCategoryPlot();
    CategoryItemRenderer renderer = new CustomRenderer();
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    renderer.setBaseItemLabelGenerator(
            new StandardCategoryItemLabelGenerator(riskCountTitle, NumberFormat.getInstance()));

    DecimalFormat df = new DecimalFormat("##");
    renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", df));
    Font m1Font;
    m1Font = new Font("Cambria", Font.BOLD, 16);
    renderer.setItemLabelFont(m1Font);
    renderer.setItemLabelPaint(null);

    //barchart.removeLegend();
    plot.setRenderer(renderer);
    //renderer.setPositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE5, TextAnchor.CENTER));
    //renderer.setItemLabelsVisible(true);
    barchart.getCategoryPlot().setRenderer(renderer);

    LegendItemCollection chartLegend = new LegendItemCollection();
    Shape shape = new Rectangle(10, 10);
    chartLegend.add(new LegendItem("Low (" + low + ")", null, null, null, shape, new Color(230, 219, 27)));
    chartLegend
            .add(new LegendItem("Medium (" + medium + ")", null, null, null, shape, new Color(85, 144, 176)));
    chartLegend.add(new LegendItem("High (" + high + ")", null, null, null, shape, new Color(230, 90, 27)));
    chartLegend.add(
            new LegendItem("Critical (" + critical + ")", null, null, null, shape, new Color(230, 27, 27)));
    plot.setFixedLegendItems(chartLegend);
    plot.setBackgroundPaint(new Color(210, 234, 243));
    ChartPanel chartPanel = new ChartPanel(barchart);
    return chartPanel;
}

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