Java PieSectionLabelGenerator类代码示例

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
private JFreeChart createChart(PieDataset dataset, String title) {
    
    JFreeChart chart = ChartFactory.createPieChart3D(title,          // chart title
        dataset,                // data
        true,                   // include legend
        true,
        true);

    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    plot.setStartAngle(290);
    
    PieSectionLabelGenerator gen = new StandardPieSectionLabelGenerator(
            "{0}: {1} ({2})", new DecimalFormat("0"), new DecimalFormat("0%"));
        plot.setLabelGenerator(gen);
  
    plot.setDirection(Rotation.CLOCKWISE);
    plot.setForegroundAlpha(0.5f);
    return chart;
    
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
@SuppressWarnings("deprecation")
@Override
public void customize(JFreeChart chart, JRChart jasperChart) {
	
	PiePlot plot = (PiePlot) chart.getPlot();
	plot.setSectionPaint(4, new Color(0, 70, 120));
	plot.setSectionPaint(3, new Color(0, 70, 120));
	plot.setSectionPaint(2, new Color(189, 216, 77));
	plot.setSectionPaint(1, new Color(253, 224, 94));
	plot.setSectionPaint(0, new Color(219, 109, 29));
	
	PieSectionLabelGenerator generator = new StandardPieSectionLabelGenerator("{0}: {1} ({2})");
	plot.setLabelGenerator(generator);
	
	plot.setLabelBackgroundPaint(new Color(255,255,255));
	
	Font font = new Font(Font.SANS_SERIF, Font.PLAIN, 12);
	plot.setLabelFont(font);
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
private void showVehicleInStore() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    List<Vehicle> vs = vehicleService.getAll();
    for (Vehicle vehicle : vs) {
        if (vehicle.getQuantity() > 0) {
            dataset.setValue(vehicle.getModelNumber(), vehicle.getQuantity());
        }
    }
    JFreeChart chart = ChartFactory.createPieChart3D("Vehicle In Store", // chart title
            dataset, // data
            true, // include legend
            true,
            false);

    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    PieSectionLabelGenerator generator = new StandardPieSectionLabelGenerator(
            "Model No {0} : {2}({1})", new DecimalFormat("0"), new DecimalFormat("0.00%"));
    plot.setLabelGenerator(generator);
    plot.setStartAngle(290);
    plot.setDirection(Rotation.CLOCKWISE);
    plot.setForegroundAlpha(0.5f);
    // we put the chart into a panel
    ChartPanel chartPanel = new ChartPanel(chart);
    changePanelReport(chartPanel);
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
@Secured({"ROLE_ADMIN","ROLE_SURVEY_ADMIN"})
private JFreeChart createChart(PieDataset pieDataset, String title) {
try{
	JFreeChart chart = ChartFactory.createPieChart(title, pieDataset, false,true,false);

	chart.setBackgroundPaint(null);//this line necessary for transparency of background
       final ChartPanel chartPanel = new ChartPanel(chart);
       chartPanel.setOpaque(false); //this line necessary for transparency of background
       chartPanel.setBackground(new Color(0, 0, 0, 0)); //this line necessary for transparency of background
       
	PiePlot plot = (PiePlot) chart.getPlot();
	
	//Color[] colors = {new Color(170, 195, 217, 255),new Color(246, 140, 31, 255),new Color(204, 204, 204, 255),new Color(231, 238, 144, 255),new Color(51, 51, 51, 255),new Color(101, 125, 151, 255),new Color(0, 102, 255, 255)}; 
	//PieRenderer renderer = new PieRenderer(colors); 
	//renderer.setColor(plot, pieDataset);
	
	
	PieSectionLabelGenerator generator = new StandardPieSectionLabelGenerator("{0}:{1}%"); 
	plot.setLabelGenerator(generator);
	
	plot.setStartAngle(270);
	plot.setDirection(Rotation.CLOCKWISE);
	
	return chart;
} catch (Exception e) {
	log.error(e.getMessage(),e);
	throw (new RuntimeException(e));
}
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Sets the legend label generator and sends a {@link PlotChangeEvent} to 
 * all registered listeners.
 * 
 * @param generator  the generator (<code>null</code> not permitted).
 * 
 * @see #getLegendLabelGenerator()
 */
public void setLegendLabelGenerator(PieSectionLabelGenerator generator) {
    if (generator == null) {
        throw new IllegalArgumentException("Null 'generator' argument.");
    }
    this.legendLabelGenerator = generator;
    notifyListeners(new PlotChangeEvent(this));
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Sets the legend label generator and sends a {@link PlotChangeEvent} to
 * all registered listeners.
 *
 * @param generator  the generator (<code>null</code> not permitted).
 *
 * @see #getLegendLabelGenerator()
 */
public void setLegendLabelGenerator(PieSectionLabelGenerator generator) {
    if (generator == null) {
        throw new IllegalArgumentException("Null 'generator' argument.");
    }
    this.legendLabelGenerator = generator;
    fireChangeEvent();
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Returns the section label generator. 
 * 
 * @return The generator (possibly <code>null</code>).
 */
public PieSectionLabelGenerator getLabelGenerator() {
    return this.labelGenerator;   
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Sets the section label generator and sends a {@link PlotChangeEvent} to all registered 
 * listeners.
 * 
 * @param generator  the generator (<code>null</code> permitted).
 */
public void setLabelGenerator(PieSectionLabelGenerator generator) {
    this.labelGenerator = generator;
    notifyListeners(new PlotChangeEvent(this));
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Returns the section label generator. 
 * 
 * @return The generator (possibly <code>null</code>).
 * 
 * @see #setLabelGenerator(PieSectionLabelGenerator)
 */
public PieSectionLabelGenerator getLabelGenerator() {
    return this.labelGenerator;   
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Sets the section label generator and sends a {@link PlotChangeEvent} to
 * all registered listeners.
 * 
 * @param generator  the generator (<code>null</code> permitted).
 * 
 * @see #getLabelGenerator()
 */
public void setLabelGenerator(PieSectionLabelGenerator generator) {
    this.labelGenerator = generator;
    notifyListeners(new PlotChangeEvent(this));
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Returns the legend label generator.
 * 
 * @return The legend label generator (never <code>null</code>).
 * 
 * @see #setLegendLabelGenerator(PieSectionLabelGenerator)
 */
public PieSectionLabelGenerator getLegendLabelGenerator() {
    return this.legendLabelGenerator;
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Returns the legend label tool tip generator.
 * 
 * @return The legend label tool tip generator (possibly <code>null</code>).
 * 
 * @see #setLegendLabelToolTipGenerator(PieSectionLabelGenerator)
 */
public PieSectionLabelGenerator getLegendLabelToolTipGenerator() {
    return this.legendLabelToolTipGenerator;
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Sets the legend label tool tip generator and sends a 
 * {@link PlotChangeEvent} to all registered listeners.
 * 
 * @param generator  the generator (<code>null</code> permitted).
 * 
 * @see #getLegendLabelToolTipGenerator()
 */
public void setLegendLabelToolTipGenerator(
        PieSectionLabelGenerator generator) {
    this.legendLabelToolTipGenerator = generator;
    notifyListeners(new PlotChangeEvent(this));
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Returns the section label generator.
 *
 * @return The generator (possibly <code>null</code>).
 *
 * @see #setLabelGenerator(PieSectionLabelGenerator)
 */
public PieSectionLabelGenerator getLabelGenerator() {
    return this.labelGenerator;
}
 

import org.jfree.chart.labels.PieSectionLabelGenerator; //导入依赖的package包/类
/**
 * Sets the section label generator and sends a {@link PlotChangeEvent} to
 * all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 *
 * @see #getLabelGenerator()
 */
public void setLabelGenerator(PieSectionLabelGenerator generator) {
    this.labelGenerator = generator;
    fireChangeEvent();
}