Просмотр исходного текста страницы Java/Chart/Chart in Internal Frame

== JFreeChart: Internal Frame Demo ==






   
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/* ===========================================================
 * 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.]
 *
 * ----------------------
 * InternalFrameDemo.java
 * ----------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited).
 * Contributor(s):   -;
 *
 * $Id: InternalFrameDemo.java,v 1.9 2004/04/30 08:10:12 mungady Exp $
 *
 * Changes
 * -------
 * 29-Jul-2003 : Version 1 (DG);
 *
 */
package org.jfree.chart.demo;
import java.awt.Dimension;
import javax.swing.JDesktopPane;
import javax.swing.JInternalFrame;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.time.Minute;
import org.jfree.data.time.RegularTimePeriod;
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 simple internal frame demo.
 * 
 */
public class InternalFrameDemo extends ApplicationFrame {
    /**
     * Creates a new instance of the demo.
     * 
     * @param title  the title.
     */
    public InternalFrameDemo(final String title) {
        super(title);
        final JDesktopPane desktopPane = new JDesktopPane();
        desktopPane.setPreferredSize(new Dimension(600, 400));
        final JInternalFrame frame1 = createFrame1();
        desktopPane.add(frame1);
        frame1.pack();
        frame1.setVisible(true);
        final JInternalFrame frame2 = createFrame2();
        desktopPane.add(frame2);
        frame2.pack();
        frame2.setLocation(100, 200);
        frame2.setVisible(true);
        getContentPane().add(desktopPane);
    }
    
    /**
     * Creates an internal frame.
     * 
     * @return An internal frame.
     */
    private JInternalFrame createFrame1() {
        final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(34.0, "Series 1", "Category 1");
        dataset.addValue(23.0, "Series 1", "Category 2");
        dataset.addValue(54.0, "Series 1", "Category 3");
        final JFreeChart chart = ChartFactory.createBarChart(
            "Bar Chart", 
            "Category",
            "Series",
            dataset,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new Dimension(200, 100));
        final JInternalFrame frame = new JInternalFrame("Frame 1", true);
        frame.getContentPane().add(chartPanel);
        return frame;
        
    }
    
    /**
     * Creates an internal frame.
     * 
     * @return An internal frame.
     */
    private JInternalFrame createFrame2() {
        final XYDataset dataset1 = createDataset("Series 1", 100.0, new Minute(), 200);
        
        final JFreeChart chart = ChartFactory.createTimeSeriesChart(
            "Time Series Chart", 
            "Time of Day", 
            "Value",
            dataset1, 
            true, 
            true, 
            false
        );
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new Dimension(200, 100));
        final JInternalFrame frame = new JInternalFrame("Frame 2", true);
        frame.getContentPane().add(chartPanel);
        return frame;
    }
    
    /**
     * Creates a sample dataset.
     * 
     * @param name  the dataset name.
     * @param base  the starting value.
     * @param start  the starting period.
     * @param count  the number of values to generate.
     *
     * @return The dataset.
     */
    private XYDataset createDataset(final String name, 
                                    final double base, 
                                    final RegularTimePeriod start, 
                                    final int count) {
        final TimeSeries series = new TimeSeries(name, start.getClass());
        RegularTimePeriod period = start;
        double value = base;
        for (int i = 0; i < count; i++) {
            series.add(period, value);    
            period = period.next();
            value = value * (1 + (Math.random() - 0.495) / 10.0);
        }
        final TimeSeriesCollection dataset = new TimeSeriesCollection();
        dataset.addSeries(series);
        return dataset;
    }
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.ru/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************
    
    /**
     * The starting point for the demo.
     * 
     * @param args  ignored.
     */
    public static void main(final String[] args) {
        final InternalFrameDemo demo = new InternalFrameDemo("Internal Frame Demo");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
        
    }
}
           
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