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2010-06-01T06:52:32Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

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== JFreeChart: Internal Frame Demo ==



<source lang="java">

/* ===========================================================
* 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);

}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010