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			940 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Java
		
	
	
	
			
		
		
	
	
			940 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Java
		
	
	
	
/* JSlider.java --
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   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.Dimension;
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import java.awt.MenuContainer;
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import java.awt.image.ImageObserver;
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import java.io.Serializable;
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import java.util.Dictionary;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import javax.accessibility.Accessible;
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import javax.accessibility.AccessibleContext;
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import javax.accessibility.AccessibleRole;
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import javax.accessibility.AccessibleStateSet;
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import javax.accessibility.AccessibleValue;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import javax.swing.plaf.SliderUI;
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/**
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 * <p>
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 * The JSlider is a Swing component that allows selection of a value within a
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 * range by adjusting a thumb in a track. The values for the minimum,
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 * maximum, extent and value are stored in a {@link
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 * DefaultBoundedRangeModel}.
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 * </p>
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 * 
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 * <p>
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 * JSliders have the following properties:
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 * </p>
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 * 
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 * <table>
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 * <tr><th> Property         </th><th> Stored in </th><th> Bound? </th></tr>
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 * <tr><td> extent           </td><td> model     </td><td> no     </td></tr>
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 * <tr><td> inverted         </td><td> slider    </td><td> yes    </td></tr>
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 * <tr><td> labelTable       </td><td> slider    </td><td> yes    </td></tr>
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 * <tr><td> majorTickSpacing </td><td> slider    </td><td> yes    </td></tr> 
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 * <tr><td> maximum          </td><td> model     </td><td> no     </td></tr>
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 * <tr><td> minimum          </td><td> model     </td><td> no     </td></tr>
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 * <tr><td> minorTickSpacing </td><td> slider    </td><td> yes    </td></tr>
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 * <tr><td> model            </td><td> slider    </td><td> yes    </td></tr> 
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 * <tr><td> orientation      </td><td> slider    </td><td> yes    </td></tr>
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 * <tr><td> paintLabels      </td><td> slider    </td><td> yes    </td></tr>
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 * <tr><td> paintTicks       </td><td> slider    </td><td> yes    </td></tr>
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 * <tr><td> snapToTicks      </td><td> slider    </td><td> no     </td></tr>
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 * <tr><td> value            </td><td> model     </td><td> no     </td></tr>
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 * <tr><td> valueIsAdjusting </td><td> model     </td><td> no     </td></tr>
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 * </table>
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 * 
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 * <p>
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 * The various behavioral aspects of these properties follows:
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 * </p>
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 * 
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 * <ul>
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 * <li>
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 * When non-bound properties stored in the slider change, the slider fires
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 * ChangeEvents to its ChangeListeners.
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 * </li>
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 * <li>
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 * When bound properties stored in the slider change, the slider fires
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 * PropertyChangeEvents to its PropertyChangeListeners
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 * </li>
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 * <li>
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 * If any of the model's properties change, it fires a ChangeEvent to its
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 * ChangeListeners, which include the slider.
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 * </li>
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 * <li>
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 * If the slider receives a ChangeEvent from its model, it will propagate the
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 * ChangeEvent to its ChangeListeners, with the ChangeEvent's "source"
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 * property set to refer to the slider, rather than the model.
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 * </li>
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 * </ul>
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 */
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public class JSlider extends JComponent implements SwingConstants, Accessible,
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                                                   ImageObserver,
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                                                   MenuContainer, Serializable
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{
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  /** DOCUMENT ME! */
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  static final long serialVersionUID = -1441275936141218479L;
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  /**
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   * DOCUMENT ME!
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   */
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  protected class AccessibleJSlider extends JComponent.AccessibleJComponent
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    implements AccessibleValue
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  {
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    /**
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     * Creates a new AccessibleJSlider object.
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     *
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     * @param value0 DOCUMENT ME!
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     */
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    protected AccessibleJSlider(JSlider value0)
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    {
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      super(value0);
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public AccessibleStateSet getAccessibleStateSet()
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    {
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      return null;
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public AccessibleRole getAccessibleRole()
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    {
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      return null;
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public AccessibleValue getAccessibleValue()
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    {
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      return null;
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public Number getCurrentAccessibleValue()
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    {
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      return null;
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    }
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    /**
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     * setCurrentAccessibleValue
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     *
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     * @param value0 TODO
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     *
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     * @return boolean
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     */
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    public boolean setCurrentAccessibleValue(Number value0)
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    {
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      return false;
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    }
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    /**
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     * getMinimumAccessibleValue
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     *
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     * @return Number
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     */
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    public Number getMinimumAccessibleValue()
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    {
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      return null;
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    }
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    /**
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     * getMaximumAccessibleValue
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     *
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     * @return Number
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     */
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    public Number getMaximumAccessibleValue()
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    {
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      return null;
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    }
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  }
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  /** Fired in a PropertyChangeEvent when the "inverted" property changes. */
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  public static final String INVERTED_CHANGED_PROPERTY = "inverted";
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  /** Fired in a PropertyChangeEvent when the "labelTable" property changes. */
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  public static final String LABEL_TABLE_CHANGED_PROPERTY = "labelTable";
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  /**
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   * Fired in a PropertyChangeEvent when the "majorTickSpacing" property
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   * changes.
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   */
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  public static final String MAJOR_TICK_SPACING_CHANGED_PROPERTY = "majorTickSpacing";
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  /**
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   * Fired in a PropertyChangeEvent when the "minorTickSpacing" property
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   * changes.
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   */
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  public static final String MINOR_TICK_SPACING_CHANGED_PROPERTY = "minorTickSpacing";
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  /** Fired in a PropertyChangeEvent when the "model" property changes. */
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  public static final String MODEL_CHANGED_PROPERTY = "model";
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  /** Fired in a PropertyChangeEvent when the "orientation" property changes. */
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  public static final String ORIENTATION_CHANGED_PROPERTY = "orientation";
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  /** Fired in a PropertyChangeEvent when the "paintLabels" property changes. */
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  public static final String PAINT_LABELS_CHANGED_PROPERTY = "paintLabels";
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  /** Fired in a PropertyChangeEvent when the "paintTicks" property changes. */
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  public static final String PAINT_TICKS_CHANGED_PROPERTY = "paintTicks";
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  /** Whether or not this slider paints its ticks. */
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  private transient boolean paintTicks = false;
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  /** Whether or not this slider paints its track. */
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  private transient boolean paintTrack = true;
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  /** Whether or not this slider paints its labels. */
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  private transient boolean paintLabels = false;
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  /**
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   * A dictionary of (Integer, Component) pairs where each Component is a
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   * JLabel and the Integer determines where the label will be painted.
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   */
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  private transient Dictionary labelTable;
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  /** The model used to describe the slider. */
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  protected BoundedRangeModel sliderModel;
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  /** The space between major ticks. */
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  protected int majorTickSpacing;
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  /** The space between minor ticks. */
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  protected int minorTickSpacing;
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  /** Whether the slider snaps its values to ticks. */
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  protected boolean snapToTicks = true;
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  /** The orientation of the slider. */
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  protected int orientation = HORIZONTAL;
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  /** Whether the slider is inverted. */
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  private transient boolean isInverted;
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  /** The ChangeListener that listens to the model. */
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  protected ChangeListener changeListener;
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  /** The ChangeEvent that is passed to all listeners of this slider. */
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  protected transient ChangeEvent changeEvent;
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  /**
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   * Creates a new horizontal JSlider object with a minimum of 0, a maximum of
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   * 100, and a value of 50.
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   */
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  public JSlider()
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  {
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    this(HORIZONTAL, 0, 100, 50);
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  }
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  /**
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   * Creates a new JSlider object with the given orientation and a minimum of
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   * 0, a maximum of 100, and a value of 50.
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   *
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   * @param orientation The orientation of the slider.
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   */
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  public JSlider(int orientation)
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  {
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    this(orientation, 0, 100, 50);
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  }
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  /**
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   * Creates a new horizontal JSlider object with the given maximum and
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   * minimum and a value that is  halfway between the minimum and the
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   * maximum.
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   *
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   * @param minimum The minimum value of the JSlider.
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   * @param maximum The maximum value of the JSlider.
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   */
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  public JSlider(int minimum, int maximum)
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  {
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    this(HORIZONTAL, minimum, maximum, (maximum + minimum) / 2);
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  }
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  /**
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   * Creates a new horizontal JSlider object with the given minimum, maximum,
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   * and value.
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   *
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   * @param minimum The minimum value of the JSlider.
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   * @param maximum The maximum value of the JSlider.
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   * @param value The initial value of the JSlider.
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   */
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  public JSlider(int minimum, int maximum, int value)
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  {
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    this(HORIZONTAL, minimum, maximum, value);
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  }
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  /**
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   * Creates a new JSlider object with the given orientation, minimum,
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   * maximum, and value.
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   *
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   * @param orientation The orientation of the JSlider.
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   * @param minimum The minimum value of the JSlider.
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   * @param maximum The maximum value of the JSlider.
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   * @param value The initial value of the JSlider.
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   */
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  public JSlider(int orientation, int minimum, int maximum, int value)
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  {
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    sliderModel = new DefaultBoundedRangeModel(value, 0, minimum, maximum);
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    if (orientation != HORIZONTAL && orientation != VERTICAL)
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      throw new IllegalArgumentException(orientation + " is not a legal orientation");
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    this.orientation = orientation;
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    changeListener = createChangeListener();
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    sliderModel.addChangeListener(changeListener);
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    updateUI();
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  }
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  /**
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   * Creates a new horizontal JSlider object with the given model.
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   *
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   * @param model The model the slider will be created with.
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   */
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  public JSlider(BoundedRangeModel model)
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  {
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    if (model == null)
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      sliderModel = new DefaultBoundedRangeModel(50, 0, 0, 100);
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    else
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      sliderModel = model;
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    changeListener = createChangeListener();
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    sliderModel.addChangeListener(changeListener);
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    updateUI();
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  }
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  /**
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   * This method returns the current value of the slider.
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   *
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   * @return The value of the slider stored in the model.
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   */
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  public int getValue()
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  {
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    return sliderModel.getValue();
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  }
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  /**
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   * This method sets the value of the slider.
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   *
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   * @param value The slider's new value.
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   */
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  public void setValue(int value)
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  {
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    sliderModel.setValue(value);
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  }
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  /**
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   * This method returns the slider's UI delegate.
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   *
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   * @return The slider's UI delegate.
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   */
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  public SliderUI getUI()
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  {
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    return (SliderUI) ui;
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  }
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  /**
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   * This method sets the slider's UI delegate.
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   *
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   * @param ui A SliderUI object to use with this slider.
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   */
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  public void setUI(SliderUI ui)
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  {
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    super.setUI(ui);
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  }
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  /**
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   * This method sets this slider's UI to the UIManager's default for the
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   * current look and feel.
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   */
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  public void updateUI()
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  {
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    setUI((SliderUI) UIManager.getUI(this));
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    invalidate();
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    repaint();
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  }
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  /**
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   * This method returns a name to identify which look and feel class will be
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   * the UI delegate for the slider.
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   *
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   * @return The Look and Feel classID. "SliderUI"
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   */
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  public String getUIClassID()
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  {
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    return "SliderUI";
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  }
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  /**
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   * Creates a ChangeListener for this Slider.
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   *
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   * @return A new ChangeListener.
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   */
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  protected ChangeListener createChangeListener()
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  {
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    return new ChangeListener()
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      {
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	public void stateChanged(ChangeEvent ce)
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	{
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	  // No need to trigger a repaint since the UI listens to the model
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	  // as well. All we need to do is pass on the stateChanged event 
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	  // to our listeners.
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	  fireStateChanged();
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	}
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      };
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  }
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  /**
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   * This method registers a listener to this slider. The listener will be
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   * informed of new ChangeEvents.
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   *
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   * @param listener The listener to register.
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   */
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  public void addChangeListener(ChangeListener listener)
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  {
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    listenerList.add(ChangeListener.class, listener);
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  }
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  /**
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   * This method removes a listener from this slider.
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   *
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   * @param listener The listener to remove.
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   */
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  public void removeChangeListener(ChangeListener listener)
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  {
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    listenerList.remove(ChangeListener.class, listener);
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  }
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  /**
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   * This method is called whenever the model fires a ChangeEvent. It should
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   * propagate the ChangeEvent to its listeners with a new ChangeEvent that
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   * identifies the slider as the source.
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   */
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  protected void fireStateChanged()
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  {
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    Object[] changeListeners = listenerList.getListenerList();
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    if (changeEvent == null)
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      changeEvent = new ChangeEvent(this);
 | 
						|
    for (int i = changeListeners.length - 2; i >= 0; i -= 2)
 | 
						|
      {
 | 
						|
	if (changeListeners[i] == ChangeListener.class)
 | 
						|
	  ((ChangeListener) changeListeners[i + 1]).stateChanged(changeEvent);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns an array of all ChangeListeners listening to this
 | 
						|
   * slider.
 | 
						|
   *
 | 
						|
   * @return An array of ChangeListeners listening to this slider.
 | 
						|
   */
 | 
						|
  public ChangeListener[] getChangeListeners()
 | 
						|
  {
 | 
						|
    return (ChangeListener[]) listenerList.getListeners(ChangeListener.class);
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the model of the slider.
 | 
						|
   *
 | 
						|
   * @return The slider's model.
 | 
						|
   */
 | 
						|
  public BoundedRangeModel getModel()
 | 
						|
  {
 | 
						|
    return sliderModel;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "model" property. It also needs  to unregister
 | 
						|
   * any listeners to the old model and register any listeners to the new
 | 
						|
   * model.
 | 
						|
   *
 | 
						|
   * @param model The model to use with the slider.
 | 
						|
   */
 | 
						|
  public void setModel(BoundedRangeModel model)
 | 
						|
  {
 | 
						|
    // I didn't do the null pointer check on purpose.
 | 
						|
    // If you try it with Sun's, it'll go ahead and set it to null
 | 
						|
    // and bork the next time it tries to access the model.
 | 
						|
    if (model != sliderModel)
 | 
						|
      {
 | 
						|
	BoundedRangeModel oldModel = sliderModel;
 | 
						|
	sliderModel = model;
 | 
						|
	oldModel.removeChangeListener(changeListener);
 | 
						|
	sliderModel.addChangeListener(changeListener);
 | 
						|
	firePropertyChange(MODEL_CHANGED_PROPERTY, oldModel, sliderModel);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the minimum value of the slider.
 | 
						|
   *
 | 
						|
   * @return The minimum value of the slider.
 | 
						|
   */
 | 
						|
  public int getMinimum()
 | 
						|
  {
 | 
						|
    return sliderModel.getMinimum();
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method sets the minimum value of the slider.
 | 
						|
   *
 | 
						|
   * @param minimum The minimum value of the slider.
 | 
						|
   */
 | 
						|
  public void setMinimum(int minimum)
 | 
						|
  {
 | 
						|
    sliderModel.setMinimum(minimum);
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the maximum value of the slider.
 | 
						|
   *
 | 
						|
   * @return The maximum value of the slider.
 | 
						|
   */
 | 
						|
  public int getMaximum()
 | 
						|
  {
 | 
						|
    return sliderModel.getMaximum();
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method sets the maximum value of the slider.
 | 
						|
   *
 | 
						|
   * @param maximum The maximum value of the slider.
 | 
						|
   */
 | 
						|
  public void setMaximum(int maximum)
 | 
						|
  {
 | 
						|
    sliderModel.setMaximum(maximum);
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns this slider's isAdjusting value which is true if the
 | 
						|
   * thumb is being dragged.
 | 
						|
   *
 | 
						|
   * @return The slider's isAdjusting value.
 | 
						|
   */
 | 
						|
  public boolean getValueIsAdjusting()
 | 
						|
  {
 | 
						|
    return sliderModel.getValueIsAdjusting();
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method sets the isAdjusting value for the slider.
 | 
						|
   *
 | 
						|
   * @param adjusting The slider's isAdjusting value.
 | 
						|
   */
 | 
						|
  public void setValueIsAdjusting(boolean adjusting)
 | 
						|
  {
 | 
						|
    sliderModel.setValueIsAdjusting(adjusting);
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the extent value for this slider.
 | 
						|
   *
 | 
						|
   * @return The extent value for this slider.
 | 
						|
   */
 | 
						|
  public int getExtent()
 | 
						|
  {
 | 
						|
    return sliderModel.getExtent();
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method sets the extent value for this slider.
 | 
						|
   *
 | 
						|
   * @param extent The extent value for this slider.
 | 
						|
   */
 | 
						|
  public void setExtent(int extent)
 | 
						|
  {
 | 
						|
    sliderModel.setExtent(extent);
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the slider orientation.
 | 
						|
   *
 | 
						|
   * @return The orientation of the slider.
 | 
						|
   */
 | 
						|
  public int getOrientation()
 | 
						|
  {
 | 
						|
    return orientation;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "orientation" property of this slider. If the
 | 
						|
   * orientation is not VERTICAL or HORIZONTAL, this method does nothing.
 | 
						|
   *
 | 
						|
   * @param orientation The orientation of this slider.
 | 
						|
   */
 | 
						|
  public void setOrientation(int orientation)
 | 
						|
  {
 | 
						|
    if (orientation != VERTICAL && orientation != HORIZONTAL)
 | 
						|
      throw new IllegalArgumentException("orientation must be one of: VERTICAL, HORIZONTAL");
 | 
						|
    if (orientation != this.orientation)
 | 
						|
      {
 | 
						|
	int oldOrientation = this.orientation;
 | 
						|
	this.orientation = orientation;
 | 
						|
	firePropertyChange(ORIENTATION_CHANGED_PROPERTY, oldOrientation,
 | 
						|
	                   this.orientation);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the label table for this slider.
 | 
						|
   *
 | 
						|
   * @return The label table for this slider.
 | 
						|
   */
 | 
						|
  public Dictionary getLabelTable()
 | 
						|
  {
 | 
						|
    return labelTable;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "labelTable" property of this slider.
 | 
						|
   *
 | 
						|
   * @param table The label table for this slider.
 | 
						|
   */
 | 
						|
  public void setLabelTable(Dictionary table)
 | 
						|
  {
 | 
						|
    if (table != labelTable)
 | 
						|
      {
 | 
						|
	Dictionary oldTable = labelTable;
 | 
						|
	labelTable = table;
 | 
						|
	firePropertyChange(LABEL_TABLE_CHANGED_PROPERTY, oldTable, labelTable);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method is called to reset UI delegates for the labels in the
 | 
						|
   * labelTable to a default for the current look and feel.
 | 
						|
   */
 | 
						|
  protected void updateLabelUIs()
 | 
						|
  {
 | 
						|
    if (labelTable == null)
 | 
						|
      return;
 | 
						|
    for (Enumeration list = labelTable.elements(); list.hasMoreElements();)
 | 
						|
      {
 | 
						|
	JLabel label = (JLabel) list.nextElement();
 | 
						|
	label.updateUI();
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Creates a hashtable of (Integer, JLabel) pairs that can be used as a
 | 
						|
   * label table for this slider. The labels will start from the sliders
 | 
						|
   * minimum and increase by the increment. Each  label will have a text
 | 
						|
   * string indicating their integer value.
 | 
						|
   *
 | 
						|
   * @param increment The increment to between labels.
 | 
						|
   *
 | 
						|
   * @return A hashtable with the labels and their keys.
 | 
						|
   */
 | 
						|
  public Hashtable createStandardLabels(int increment)
 | 
						|
  {
 | 
						|
    return createStandardLabels(increment, sliderModel.getMinimum());
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Creates a hashtable of (Integer, JLabel) pairs that can be used as a
 | 
						|
   * label table for this slider. The labels will start from the given start
 | 
						|
   * value and increase by the increment. Each  label will have a text string
 | 
						|
   * indicating their integer value.
 | 
						|
   *
 | 
						|
   * @param increment The increment to between labels.
 | 
						|
   * @param start The value to start from.
 | 
						|
   *
 | 
						|
   * @return A hashtable with the labels and their keys.
 | 
						|
   */
 | 
						|
  public Hashtable createStandardLabels(int increment, int start)
 | 
						|
  {
 | 
						|
    Hashtable table = new Hashtable();
 | 
						|
    JLabel label;
 | 
						|
    Dimension dim;
 | 
						|
 | 
						|
    int max = sliderModel.getMaximum();
 | 
						|
 | 
						|
    for (int i = start; i <= max; i += increment)
 | 
						|
      {
 | 
						|
	label = new JLabel(String.valueOf(i));
 | 
						|
	label.setVerticalAlignment(CENTER);
 | 
						|
	label.setHorizontalAlignment(CENTER);
 | 
						|
	
 | 
						|
	// Make sure these labels have the width and height
 | 
						|
	// they want.
 | 
						|
	dim = label.getPreferredSize();
 | 
						|
	label.setBounds(label.getX(), label.getY(),
 | 
						|
	                (int) dim.getWidth(),
 | 
						|
			(int) dim.getHeight()); 
 | 
						|
	table.put(new Integer(i), label);
 | 
						|
      }
 | 
						|
    return table;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns whether the slider is inverted. Horizontal sliders
 | 
						|
   * that are not inverted will have the minimums on the left. If they are
 | 
						|
   * inverted, the minimums will be  on the right. Vertical sliders that are
 | 
						|
   * not inverted will have the minimums at the bottom. If they are inverted,
 | 
						|
   * the minimums will be at the top.
 | 
						|
   *
 | 
						|
   * @return Whether this slider is inverted.
 | 
						|
   */
 | 
						|
  public boolean getInverted()
 | 
						|
  {
 | 
						|
    return isInverted;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "inverted" property for this slider.Horizontal
 | 
						|
   * sliders  that are not inverted will have the minimums on the left. If
 | 
						|
   * they are inverted, the minimums will be  on the right. Vertical sliders
 | 
						|
   * that are not inverted will have the minimums at the bottom. If they are
 | 
						|
   * inverted, the minimums will be at the top. However, if the slider's
 | 
						|
   * componentOrientation is set to RIGHT_TO_LEFT, then everything gets
 | 
						|
   * reversed again.
 | 
						|
   *
 | 
						|
   * @param inverted Whether the slider should be inverted.
 | 
						|
   */
 | 
						|
  public void setInverted(boolean inverted)
 | 
						|
  {
 | 
						|
    if (isInverted != inverted)
 | 
						|
      {
 | 
						|
	boolean oldInverted = isInverted;
 | 
						|
	isInverted = inverted;
 | 
						|
	firePropertyChange(INVERTED_CHANGED_PROPERTY, oldInverted, isInverted);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the amount of units between each major tick mark.
 | 
						|
   *
 | 
						|
   * @return The amount of units between each major tick mark.
 | 
						|
   */
 | 
						|
  public int getMajorTickSpacing()
 | 
						|
  {
 | 
						|
    return majorTickSpacing;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "majorTickSpacing" property for this slider. The
 | 
						|
   * major tick spacing is the amount of units between each major tick mark.
 | 
						|
   *
 | 
						|
   * @param spacing The amount of units between each major tick mark.
 | 
						|
   */
 | 
						|
  public void setMajorTickSpacing(int spacing)
 | 
						|
  {
 | 
						|
    if (majorTickSpacing != spacing)
 | 
						|
      {
 | 
						|
	int oldSpacing = majorTickSpacing;
 | 
						|
	majorTickSpacing = spacing;
 | 
						|
	firePropertyChange(MAJOR_TICK_SPACING_CHANGED_PROPERTY, oldSpacing,
 | 
						|
	                   majorTickSpacing);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns the amount of units between each minor tick mark.
 | 
						|
   *
 | 
						|
   * @return The amount of units between each minor tick mark.
 | 
						|
   */
 | 
						|
  public int getMinorTickSpacing()
 | 
						|
  {
 | 
						|
    return minorTickSpacing;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "minorTickSpacing" property for this slider. The
 | 
						|
   * minor tick spacing is the amount of units between each minor tick mark.
 | 
						|
   *
 | 
						|
   * @param spacing The amount of units between each minor tick mark.
 | 
						|
   */
 | 
						|
  public void setMinorTickSpacing(int spacing)
 | 
						|
  {
 | 
						|
    if (minorTickSpacing != spacing)
 | 
						|
      {
 | 
						|
	int oldSpacing = minorTickSpacing;
 | 
						|
	minorTickSpacing = spacing;
 | 
						|
	firePropertyChange(MINOR_TICK_SPACING_CHANGED_PROPERTY, oldSpacing,
 | 
						|
	                   minorTickSpacing);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns whether this slider is snapping to ticks.  Sliders
 | 
						|
   * that snap to ticks will automatically move the thumb to the nearest tick
 | 
						|
   * mark.
 | 
						|
   *
 | 
						|
   * @return Whether this slider snaps to ticks.
 | 
						|
   */
 | 
						|
  public boolean getSnapToTicks()
 | 
						|
  {
 | 
						|
    return snapToTicks;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method sets whether this slider will snap to ticks. Sliders that
 | 
						|
   * snap to ticks will automatically move the thumb to the nearest tick
 | 
						|
   * mark.
 | 
						|
   *
 | 
						|
   * @param snap Whether this slider snaps to ticks.
 | 
						|
   */
 | 
						|
  public void setSnapToTicks(boolean snap)
 | 
						|
  {
 | 
						|
    if (snap != snapToTicks)
 | 
						|
      {
 | 
						|
	snapToTicks = snap;
 | 
						|
	fireStateChanged();
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns whether the slider will paint its tick marks. In
 | 
						|
   * addition to setting this property to true, one of minor tick spacing  or
 | 
						|
   * major tick spacing must be set to a value greater than 0 in order for
 | 
						|
   * ticks to be painted.
 | 
						|
   *
 | 
						|
   * @return Whether ticks will be painted.
 | 
						|
   */
 | 
						|
  public boolean getPaintTicks()
 | 
						|
  {
 | 
						|
    return paintTicks;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "paintTicks" property for this slider. In
 | 
						|
   * addition to setting this property to true, one of minor tick spacing  or
 | 
						|
   * major tick spacing must be set to a value greater than 0 in order for
 | 
						|
   * ticks to be painted.
 | 
						|
   *
 | 
						|
   * @param paint Whether ticks will be painted.
 | 
						|
   */
 | 
						|
  public void setPaintTicks(boolean paint)
 | 
						|
  {
 | 
						|
    if (paint != paintTicks)
 | 
						|
      {
 | 
						|
	boolean oldPaintTicks = paintTicks;
 | 
						|
	paintTicks = paint;
 | 
						|
	firePropertyChange(PAINT_TICKS_CHANGED_PROPERTY, oldPaintTicks,
 | 
						|
	                   paintTicks);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns whether the track will be painted.
 | 
						|
   *
 | 
						|
   * @return Whether the track will be painted.
 | 
						|
   */
 | 
						|
  public boolean getPaintTrack()
 | 
						|
  {
 | 
						|
    return paintTrack;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method sets whether the track will be painted.
 | 
						|
   *
 | 
						|
   * @param paint Whether the track will be painted.
 | 
						|
   */
 | 
						|
  public void setPaintTrack(boolean paint)
 | 
						|
  {
 | 
						|
    paintTrack = paint;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method returns whether labels will be painted.
 | 
						|
   *
 | 
						|
   * @return Whether labels will be painted.
 | 
						|
   */
 | 
						|
  public boolean getPaintLabels()
 | 
						|
  {
 | 
						|
    return paintLabels;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method changes the "paintLabels" property.
 | 
						|
   *
 | 
						|
   * @param paint Whether labels will be painted.
 | 
						|
   */
 | 
						|
  public void setPaintLabels(boolean paint)
 | 
						|
  {
 | 
						|
    if (paint != paintLabels)
 | 
						|
      {
 | 
						|
	boolean oldPaintLabels = paintLabels;
 | 
						|
	paintLabels = paint;
 | 
						|
	firePropertyChange(PAINT_LABELS_CHANGED_PROPERTY, oldPaintLabels,
 | 
						|
	                   paintLabels);
 | 
						|
      }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * This method is used primarily for debugging purposes and returns a string
 | 
						|
   * that can be used to represent this slider.
 | 
						|
   *
 | 
						|
   * @return A string representing this slider.
 | 
						|
   */
 | 
						|
  protected String paramString()
 | 
						|
  {
 | 
						|
    return "JSlider";
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * DOCUMENT ME!
 | 
						|
   *
 | 
						|
   * @return DOCUMENT ME!
 | 
						|
   */
 | 
						|
  public AccessibleContext getAccessibleContext()
 | 
						|
  {
 | 
						|
    if (accessibleContext == null)
 | 
						|
      accessibleContext = new AccessibleJSlider(this);
 | 
						|
    return accessibleContext;
 | 
						|
  }
 | 
						|
}
 |