src/share/classes/javax/swing/DefaultBoundedRangeModel.java

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   1 /*
   2  * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  28 import javax.swing.event.*;
  29 import java.io.Serializable;
  30 import java.util.EventListener;
  31 
  32 /**
  33  * A generic implementation of BoundedRangeModel.
  34  * <p>
  35  * <strong>Warning:</strong>
  36  * Serialized objects of this class will not be compatible with
  37  * future Swing releases. The current serialization support is
  38  * appropriate for short term storage or RMI between applications running
  39  * the same version of Swing.  As of 1.4, support for long term storage
  40  * of all JavaBeans&trade;
  41  * has been added to the <code>java.beans</code> package.
  42  * Please see {@link java.beans.XMLEncoder}.
  43  *
  44  * @author David Kloba
  45  * @author Hans Muller
  46  * @see BoundedRangeModel
  47  */

  48 public class DefaultBoundedRangeModel implements BoundedRangeModel, Serializable
  49 {
  50     /**
  51      * Only one <code>ChangeEvent</code> is needed per model instance since the
  52      * event's only (read-only) state is the source property.  The source
  53      * of events generated here is always "this".
  54      */
  55     protected transient ChangeEvent changeEvent = null;
  56 
  57     /** The listeners waiting for model changes. */
  58     protected EventListenerList listenerList = new EventListenerList();
  59 
  60     private int value = 0;
  61     private int extent = 0;
  62     private int min = 0;
  63     private int max = 100;
  64     private boolean isAdjusting = false;
  65 
  66 
  67     /**


   1 /*
   2  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  28 import javax.swing.event.*;
  29 import java.io.Serializable;
  30 import java.util.EventListener;
  31 
  32 /**
  33  * A generic implementation of BoundedRangeModel.
  34  * <p>
  35  * <strong>Warning:</strong>
  36  * Serialized objects of this class will not be compatible with
  37  * future Swing releases. The current serialization support is
  38  * appropriate for short term storage or RMI between applications running
  39  * the same version of Swing.  As of 1.4, support for long term storage
  40  * of all JavaBeans&trade;
  41  * has been added to the <code>java.beans</code> package.
  42  * Please see {@link java.beans.XMLEncoder}.
  43  *
  44  * @author David Kloba
  45  * @author Hans Muller
  46  * @see BoundedRangeModel
  47  */
  48 @SuppressWarnings("serial") // Same-version serialization only
  49 public class DefaultBoundedRangeModel implements BoundedRangeModel, Serializable
  50 {
  51     /**
  52      * Only one <code>ChangeEvent</code> is needed per model instance since the
  53      * event's only (read-only) state is the source property.  The source
  54      * of events generated here is always "this".
  55      */
  56     protected transient ChangeEvent changeEvent = null;
  57 
  58     /** The listeners waiting for model changes. */
  59     protected EventListenerList listenerList = new EventListenerList();
  60 
  61     private int value = 0;
  62     private int extent = 0;
  63     private int min = 0;
  64     private int max = 100;
  65     private boolean isAdjusting = false;
  66 
  67 
  68     /**