package com.jboss.monitor;

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * --------------------
 * DynamicDataDemo.java
 * --------------------
 * (C) Copyright 2002-2004, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited).
 * Contributor(s):   -;
 *
 * $Id: DynamicDataDemo.java,v 1.12 2004/05/07 16:09:03 mungady Exp $
 *
 * Changes
 * -------
 * 28-Mar-2002 : Version 1 (DG);
 *
 */
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JLabel;
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;

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

 /**
  *
  */
 private static final long serialVersionUID = 1L;

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

 /** The most recent value added. */
 private double lastValue = 100.0;
 
 /** Diplay recent value */
 final JLabel data = new JLabel("Current Value :");

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

  super(title);
  this.series = new TimeSeries("JMX 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 dataPanel = new JPanel(new BorderLayout());
  final JPanel content = new JPanel(new BorderLayout());
  dataPanel.add(data);
  content.add(chartPanel);
  content.add(dataPanel, 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(
    "Dynamic Data Demo", "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);
  axis.setAutoRange(true);
  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);
  }
 }

 /** ***************************************************************************** */
 /* CAPTURE JMX DATA HERE */

 /** ***************************************************************************** */
 public void captureData() {
  final double factor = 0.90 + 0.2 * Math.random();
  lastValue = lastValue * factor;
  final Millisecond now = new Millisecond();
  System.out.println("Now = " + now.toString());
  // AHAHAHAHAHAHAHAHAHAHHAHAHA
  // series.add(new Millisecond(), lastValue);
  series.addOrUpdate(new Millisecond(), (int)lastValue);
  data.setText("Current Value : " + (int)lastValue);
 }

 /**
  * Starting point for the demonstration application.
  *
  * @param args
  *            ignored.
  */
 public static void main(final String[] args) throws Exception {

  final DynamicDataDemo demo = new DynamicDataDemo("New Data Demo");
  demo.pack();
  RefineryUtilities.centerFrameOnScreen(demo);
  demo.setVisible(true);

  while (true) {
   demo.captureData();
   Thread.sleep(1000);
  }
 }

}