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JFreeChart: Multiple Dataset Demo 1
/* ===========================================================
* 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.]
*
* --------------------------
* SecondaryDatasetDemo1.java
* --------------------------
* (C) Copyright 2004, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited).
* Contributor(s): -;
*
* $Id: MultipleDatasetDemo1.java,v 1.1 2004/05/21 14:22:35 mungady Exp $
*
* Changes
* -------
* 30-Jan-2004 : Version 1 (DG);
*
*/
package org.jfree.chart.demo;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
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.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.data.time.Day;
import org.jfree.data.time.RegularTimePeriod;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.Spacer;
/**
* A demo showing the addition and removal of multiple datasets / renderers.
*/
public class MultipleDatasetDemo1 extends ApplicationFrame implements ActionListener {
/** The plot. */
private XYPlot plot;
/** The index of the last dataset added. */
private int datasetIndex = 0;
/**
* Constructs a new demonstration application.
*
* @param title the frame title.
*/
public MultipleDatasetDemo1(final String title) {
super(title);
final TimeSeriesCollection dataset1 = createRandomDataset("Series 1");
final JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Multiple Dataset Demo 1", "Time", "Value", dataset1, true, true, false
);
chart.setBackgroundPaint(Color.white);
this.plot = chart.getXYPlot();
this.plot.setBackgroundPaint(Color.lightGray);
this.plot.setDomainGridlinePaint(Color.white);
this.plot.setRangeGridlinePaint(Color.white);
// this.plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 4, 4, 4, 4));
final ValueAxis axis = this.plot.getDomainAxis();
axis.setAutoRange(true);
final NumberAxis rangeAxis2 = new NumberAxis("Range Axis 2");
rangeAxis2.setAutoRangeIncludesZero(false);
final JPanel content = new JPanel(new BorderLayout());
final ChartPanel chartPanel = new ChartPanel(chart);
content.add(chartPanel);
final JButton button1 = new JButton("Add Dataset");
button1.setActionCommand("ADD_DATASET");
button1.addActionListener(this);
final JButton button2 = new JButton("Remove Dataset");
button2.setActionCommand("REMOVE_DATASET");
button2.addActionListener(this);
final JPanel buttonPanel = new JPanel(new FlowLayout());
buttonPanel.add(button1);
buttonPanel.add(button2);
content.add(buttonPanel, BorderLayout.SOUTH);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(content);
}
/**
* Creates a random dataset.
*
* @param name the series name.
*
* @return The dataset.
*/
private TimeSeriesCollection createRandomDataset(final String name) {
final TimeSeries series = new TimeSeries(name);
double value = 100.0;
RegularTimePeriod t = new Day();
for (int i = 0; i < 50; i++) {
series.add(t, value);
t = t.next();
value = value * (1.0 + Math.random() / 100);
}
return new TimeSeriesCollection(series);
}
// ****************************************************************************
// * 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_DATASET")) {
if (this.datasetIndex < 20) {
this.datasetIndex++;
this.plot.setDataset(
this.datasetIndex, createRandomDataset("S" + this.datasetIndex)
);
this.plot.setRenderer(this.datasetIndex, new StandardXYItemRenderer());
}
}
else if (e.getActionCommand().equals("REMOVE_DATASET")) {
if (this.datasetIndex >= 1) {
this.plot.setDataset(this.datasetIndex, null);
this.plot.setRenderer(this.datasetIndex, null);
this.datasetIndex--;
}
}
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final MultipleDatasetDemo1 demo = new MultipleDatasetDemo1("Multiple Dataset Demo 1");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
