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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D API, it supports a wide range of chart types including
bar charts, pie charts, line charts, XY-plots, time series plots, Sankey charts
and more.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-present, by David Gilbert 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
*/
package org.jfree.chart.ui;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
/**
* A base class for creating the main frame for simple applications. The frame
* listens for window closing events, and responds by shutting down the JVM.
* This is OK for small demo applications...for more serious applications,
* you'll want to use something more robust.
*/
public class ApplicationFrame extends JFrame implements WindowListener {
/**
* Constructs a new application frame.
*
* @param title the frame title.
*/
public ApplicationFrame(String title) {
super(title);
addWindowListener(this);
}
/**
* Listens for the main window closing, and shuts down the application.
*
* @param event information about the window event.
*/
@Override
public void windowClosing(WindowEvent event) {
if (event.getWindow() == this) {
dispose();
System.exit(0);
}
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
@Override
public void windowClosed(WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
@Override
public void windowActivated(WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
@Override
public void windowDeactivated(WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
@Override
public void windowDeiconified(WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
@Override
public void windowIconified(WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
@Override
public void windowOpened(WindowEvent event) {
// ignore
}
}