com.cloudsoft.utils/src/com/cloudsoft/utils/Chart.java

/*
 * Chart.java
 *
 * Created on 04 August 2006, 11:14
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.cloudsoft.utils;

// Import the Swing classes
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

// Import the JFreeChart classes
import org.jfree.chart.*;
import org.jfree.chart.plot.*;
import org.jfree.data.*;
import org.jfree.data.general.*;

/**
 *
 * @author pyl38997
 */
public class Chart extends JPanel
{
  // Holds the data
  private DefaultPieDataset dataset = new DefaultPieDataset();

  // Create a set of charts
  private JFreeChart chart1;
  private JFreeChart chart2;
  private JFreeChart chart3;
  private JFreeChart chart4;

  // Create a set of panels that can show charts
  private ChartPanel panel1;
  private ChartPanel panel2;
  private ChartPanel panel3;
  private ChartPanel panel4;
    
    /** Creates a new instance of Chart */
    public Chart()
    {
    // Initialize the dataset
    dataset.setValue( "California", new Double( 10.0 ) );
    dataset.setValue( "Arizona", new Double( 8.0 ) );
    dataset.setValue( "New Mexico", new Double( 8.0 ) );
    dataset.setValue( "Texas", new Double( 40.0 ) );
    dataset.setValue( "Louisiana", new Double( 8.0 ) );
    dataset.setValue( "Mississippi", new Double( 4.0 ) );
    dataset.setValue( "Alabama", new Double( 2.0 ) );
    dataset.setValue( "Florida", new Double( 20.0 ) );

    // Create the charts
    chart1 = ChartFactory.createPieChart(
      "Driving Time Spent Per State (Flat Pie Chart)", // The chart title
      dataset,         // The dataset for the chart
      true,          // Is a legend required?
      true,          // Use tooltips
      false          // Configure chart to generate URLs?
    );
    chart2 = ChartFactory.createPieChart(
      "Driving Time Spent Per State (Exploded Pie Chart)", // The chart title
      dataset,         // The dataset for the chart
      true,          // Is a legend required?
      true,          // Use tooltips
      false          // Configure chart to generate URLs?
    );
    PiePlot plot = ( PiePlot )chart2.getPlot();
    plot.setExplodePercent( "Texas", 0.25 );

    chart3 = ChartFactory.createPieChart3D(
      "Driving Time Spent Per State (3D Pie Chart)", // The chart title
      dataset,         // The dataset for the chart
      true,          // Is a legend required?
      true,          // Use tooltips
      false          // Configure chart to generate URLs?
    );
    chart4 = ChartFactory.createPieChart3D(
      "Driving Time Spent Per State (3D with Transparency)", // The chart title
      dataset,         // The dataset for the chart
      true,          // Is a legend required?
      true,          // Use tooltips
      false          // Configure chart to generate URLs?
    );
    PiePlot3D plot4 = ( PiePlot3D )chart4.getPlot();
    plot4.setForegroundAlpha( 0.6f );

    // Create this panel
    this.setLayout( new GridLayout( 2, 2 ) );
    this.panel1 = new ChartPanel( chart1 );
    this.panel2 = new ChartPanel( chart2 );
    this.panel3 = new ChartPanel( chart3 );
    this.panel4 = new ChartPanel( chart4 );
    this.add( panel1 );
    this.add( panel2 );
    this.add( panel3 );
    this.add( panel4 );
  }

  public static void main( String[] args )
  {
    JFrame frame = new JFrame( "My Trip Driving From CA to FL..." );
    Chart chart = new Chart();
    frame.getContentPane().add( chart, BorderLayout.CENTER );
    frame.setSize( 640, 480 );
    frame.setVisible( true );
    frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
  }
}