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JChart2D is an easy to use component for displaying two- dimensional traces in a coordinate system written in Java.
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/*
 *  JComponentActionSetBackground, action to set the background color of a JComponent.
 *  Copyright (C) 2004 - 2011 Achim Westermann, created on 10.12.2004, 13:48:55
 *
 *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *  If you modify or optimize the code in a useful way please let me know.
 *  [email protected]
 *
 */
package info.monitorenter.gui.chart.events;

import info.monitorenter.gui.chart.Chart2D;
import info.monitorenter.gui.chart.controls.LayoutFactory.PropertyChangeCheckBoxMenuItem;

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;

import javax.swing.JComponent;

/**
 * 
 * Performs the action of setting the background color
 * ({@link javax.swing.JComponent#setBackground(java.awt.Color)}}
 * of a JComponent.
 * 
 *
 * @author Achim Westermann 
 *
 * @version $Revision: 1.5 $
 */
public final class JComponentActionSetBackground extends AJComponentAction {

  /**
   * Generated serialVersionUID.
   */
  private static final long serialVersionUID = 3258131345116181297L;

  /** The background color to set. */
  private Color m_color;

  /**
   * Create an Action that accesses the JComponent
   * and identifies itself with the given action String.
   *
   * @param component
   *          the target the action will work on.
   *
   * @param colorName
   *          the descriptive String that will be displayed by
   *          {@link javax.swing.AbstractButton} subclasses that get this
   *          Action assigned (
   *          {@link javax.swing.AbstractButton#setAction(javax.swing.Action)}).
   *
   * @param color
   *          the Color to set as "background" of the internal
   *          JComponent.
   */
  public JComponentActionSetBackground(final JComponent component, final String colorName, final Color color) {
    super(component, colorName);
    this.m_color = color;
    component.addPropertyChangeListener(Chart2D.PROPERTY_BACKGROUND_COLOR, this);
  }

  /**
   * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
   */
  public void actionPerformed(final ActionEvent e) {
    this.m_component.setBackground(this.m_color);
  }
  
  /**
   * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
   */
  public void propertyChange(final PropertyChangeEvent evt) {
    String property = evt.getPropertyName();
    if (property.equals(Chart2D.PROPERTY_BACKGROUND_COLOR)) {
      Color newColor = (Color) evt.getNewValue();
      if (newColor.equals(this.m_color)) {
        this.firePropertyChange(PropertyChangeCheckBoxMenuItem.PROPERTY_SELECTED,
            new Boolean(false), new Boolean(true));

      } else {
        this.firePropertyChange(PropertyChangeCheckBoxMenuItem.PROPERTY_SELECTED,
            new Boolean(true), new Boolean(false));
      }
    }
  }
}