Example usage for org.jfree.chart.renderer.category AbstractCategoryItemRenderer setLegendItemLabelGenerator

Introduction

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

Prototype

public void setLegendItemLabelGenerator(CategorySeriesLabelGenerator generator) 

Source Link

Document

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

Usage

From source file:edu.ucla.stat.SOCR.chart.demo.CategoryStepChartDemo1.java

/**
 * Creates a chart.//from   ww w  . java  2  s. com
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
protected JFreeChart createChart(CategoryDataset dataset) {

    CategoryItemRenderer renderer = new CategoryStepRenderer(true);

    CategoryAxis domainAxis = new CategoryAxis(domainLabel);
    NumberAxis rangeAxis = new NumberAxis(rangeLabel);
    CategoryPlot plot = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer);
    JFreeChart chart = new JFreeChart(chartTitle, plot);

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

    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinesVisible(true);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);

    AbstractCategoryItemRenderer renderer2 = (AbstractCategoryItemRenderer) plot.getRenderer();
    renderer2.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator());

    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.addCategoryLabelToolTip("Type 1", "The first type.");
    domainAxis.addCategoryLabelToolTip("Type 2", "The second type.");
    domainAxis.addCategoryLabelToolTip("Type 3", "The third type.");

    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setLabelAngle(0 * Math.PI / 2.0);
    // OPTIONAL CUSTOMISATION COMPLETED.

    setCategorySummary(dataset);
    if (legendPanelOn)
        chart.removeLegend();
    return chart;

}

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