org.jfree.chart.demo.Graph.java Source code

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Here is the source code for org.jfree.chart.demo.Graph.java

Source

package org.jfree.chart.demo;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.time.Millisecond;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

import eLBiWarsServer.ClientHandler;

/**
 * A demonstration application showing a time series chart where you can dynamically add
 * (random) data by clicking on a button.
 *
 */
public class Graph extends ApplicationFrame implements ActionListener {

    /** The time series data. */
    private TimeSeries series;

    /** The most recent value added. */
    private double lastValue = 100.0;

    /**
     * Constructs a new demonstration application.
     *
     * @param title  the frame title.
     */
    public Graph(final String title) {

        super(title);
        this.series = new TimeSeries("Random Data", Millisecond.class);
        final TimeSeriesCollection dataset = new TimeSeriesCollection(this.series);
        final JFreeChart chart = createChart(dataset);

        final ChartPanel chartPanel = new ChartPanel(chart);
        final JButton button = new JButton("Add New Data Item");
        button.setActionCommand("ADD_DATA");
        button.addActionListener(this);

        final JPanel content = new JPanel(new BorderLayout());
        content.add(chartPanel);
        // content.add(button, BorderLayout.SOUTH);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(content);

    }

    /**
     * Creates a sample chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return A sample chart.
     */
    private JFreeChart createChart(final XYDataset dataset) {
        final JFreeChart result = ChartFactory.createTimeSeriesChart("Client Packets", "Time", "Value", dataset,
                true, true, false);
        final XYPlot plot = result.getXYPlot();
        ValueAxis axis = plot.getDomainAxis();
        axis.setAutoRange(true);
        axis.setFixedAutoRange(60000.0); // 60 seconds
        axis = plot.getRangeAxis();
        axis.setRange(0.0, 200.0);
        return result;
    }

    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************

    /**
     * Handles a click on the button by adding new (random) data.
     *
     * @param e  the action event.
     */
    public void actionPerformed(final ActionEvent e) {
        if (e.getActionCommand().equals("ADD_DATA")) {

            final double factor = 0.90 + 0.2 * Math.random();
            this.lastValue = this.lastValue * factor;
            final Millisecond now = new Millisecond();
            System.out.println("Now = " + now.toString());
            this.series.add(new Millisecond(), this.lastValue);
        }
    }

    public void updateData(double num) {

        this.series.add(new Millisecond(), num);
    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */

    public static void main(final String[] args) {

    }

}