Piechart Example

unfortunatly sourceforge doesn't allow more than 5 screenshot.

if you want to see how the piechart looks like have a look at the
freecode page http://freecode.com/projects/jchartlib
and click on the screenshot there.

Here is a sample code for a piechart

/**

• JChartLib Demo App for a piechart
• @author Silvio Schneider
  */
  import com.bitagentur.chart.JChartLibPiechart;
  import com.bitagentur.data.JChartLibDataSet;

import com.bitagentur.data.JChartLibSerie;
import com.bitagentur.renderer.JChartLibPanel;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.util.Random;
import javax.swing.JFrame;

/**

• A simple demonstration application showing how to create a pie chart.
  *
  */
  public class JChartLibApp_piechart extends JFrame implements WindowListener {

  /**

  • Creates a new Application Frame
    */
    public JChartLibApp_piechart() {
    super("JChartLib Demo Appllication");

    final JChartLibDataSet dataset = createDataset();
    final JChartLibPiechart chart = createChart(dataset);
    final JChartLibPanel chartPanel = new JChartLibPanel(chart);
    chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
    setContentPane(chartPanel);
    }

  /**

  • Creates a sample dataset.

  • @return a sample dataset.
    */
    private JChartLibDataSet createDataset() {
    //or by generating a Dataserie object
    JChartLibSerie values1 = new JChartLibSerie("Fruits");
    values1.addValue("Apple", 1);
    values1.addValue("Banana", 1);
    values1.addValue("Orange", 1);
    values1.addValue("Tomato", 1);

    final JChartLibDataSet dataset = new JChartLibDataSet();
    dataset.addDataSerie(values1); //adds the Apples

    return dataset;
    }

  /**

  • Creates a chart
  • @param dataset the data for the chart.

  • @return a new chart
    */
    private JChartLibPiechart createChart(final JChartLibDataSet dataset) {

    // create the chart with title and axis names
    final JChartLibPiechart chart = new JChartLibPiechart(
    "yammi fruitpie", // chart title
    "", // x axis text
    "", // y axis text
    dataset // data
    );

    return chart;
    }

  /**

  • Main method - DEMO Application for JChartLib
    *
  • @param args the command line arguments
    */
    public static void main(final String[] args) {
    System.out.println("JChartLibApp started");
    final JChartLibApp_piechart app = new JChartLibApp_piechart();
    app.addWindowListener(app);
    app.pack();
    app.setVisible(true);
    }

  @Override
  public void windowOpened(WindowEvent e) {
  //Nothing to do
  }

  @Override
  public void windowClosing(WindowEvent e) {
  //Exit and goodby
  if (e.getWindow() == this) {
  dispose();
  System.out.println("Thanks for using the JChartLibApp");
  System.exit(0);
  }
  }

  @Override
  public void windowClosed(WindowEvent e) {
  //Nothing to do
  }

  @Override
  public void windowIconified(WindowEvent e) {
  //Nothing to do
  }

  @Override
  public void windowDeiconified(WindowEvent e) {
  //Nothing to do
  }

  @Override
  public void windowActivated(WindowEvent e) {
  //Nothing to do
  }

  @Override
  public void windowDeactivated(WindowEvent e) {
  //Nothing to do
  }
  }