chartframe.java

JfreeChart 常用图表例子

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2005, 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.]
 *
 * ---------------
 * ChartFrame.java
 * ---------------
 * (C) Copyright 2001-2005, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: ChartFrame.java,v 1.3 2005/02/04 09:22:09 mungady Exp $
 *
 * Changes
 * -------
 * 22-Nov-2001 : Version 1 (DG);
 * 08-Jan-2001 : Added chartPanel attribute (DG);
 * 24-May-2002 : Renamed JFreeChartFrame --> ChartFrame (DG);
 *
 */

package org.jfree.chart;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.WindowConstants;

/**
 * A frame for displaying a chart.
 */
public class ChartFrame extends JFrame {

    /** The chart panel. */
    private ChartPanel chartPanel;

    /**
     * Constructs a frame for a chart.
     *
     * @param title  the frame title.
     * @param chart  the chart.
     */
    public ChartFrame(String title, JFreeChart chart) {
        this(title, chart, false);
    }

    /**
     * Constructs a frame for a chart.
     *
     * @param title  the frame title.
     * @param chart  the chart.
     * @param scrollPane  if <code>true</code>, put the Chart(Panel) into a 
     *                    JScrollPane.
     */
    public ChartFrame(String title, JFreeChart chart, boolean scrollPane) {
        super(title); 
        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        this.chartPanel = new ChartPanel(chart);
        if (scrollPane) {
            setContentPane(new JScrollPane(this.chartPanel));
        }
        else {
            setContentPane(this.chartPanel);
        }
    }

    /**
     * Returns the chart panel for the frame.
     *
     * @return The chart panel.
     */
    public ChartPanel getChartPanel() {
        return this.chartPanel;
    }

}