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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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/*
 *  Trace2DActionZindexIncrease, action for increasing the z-Index of an ITrac2D.
 *  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.ITrace2D;

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

/**
 * 
 * Action that increases the zIndex of the
 * constructor-given ITrace2D by a constructor-given integer.
 * 
 * 
 * @author Achim Westermann 
 * 
 * @version $Revision: 1.4 $
 */
public final class Trace2DActionZindexIncrease extends ATrace2DAction {

  /**
   * Generated serialVersionUID.
   */
  private static final long serialVersionUID = 3978986583057707570L;

  /**
   * The increment to the trace's zIndex.
   */
  private int m_increase;

  /**
   * Create an Action that accesses the trace and identifies
   * itself with the given action String.
   * 
   * 
   * @param trace
   *          the target the action will work on.
   * 
   * @param description
   *          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 increase
   *          the increment to the trace's zIndex (see
   *          {@link ITrace2D#setZIndex(Integer)}).
   */
  public Trace2DActionZindexIncrease(final ITrace2D trace, final String description,
      final int increase) {
    super(trace, description);
    this.m_increase = increase;
  }

  /**
   * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
   */
  public void actionPerformed(final ActionEvent e) {
    int value = this.m_trace.getZIndex().intValue();
    this.m_trace.setZIndex(new Integer(value + this.m_increase));
  }

  /**
   * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
   */
  public void propertyChange(final PropertyChangeEvent evt) {
    // nop as this action will not be used
    // by checkbox or radio button menu items that have a state.
  }
}