Source for javax.swing.event.ChangeListener

   1: /* ChangeListener.java --
   2:    Copyright (C) 2002, 2006, Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
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   6: GNU Classpath is free software; you can redistribute it and/or modify
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   9: any later version.
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  14: General Public License for more details.
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  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
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  19: 02110-1301 USA.
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  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
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  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
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  31: independent module, the terms and conditions of the license of that
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  37: 
  38: package javax.swing.event;
  39: 
  40: import java.util.EventListener;
  41: 
  42: /**
  43:  * A <code>ChangeListener</code> can register with an object to receive 
  44:  * notification of state changes (for objects that support this mechanism).
  45:  * 
  46:  * @author Andrew Selkirk
  47:  * @author Ronald Veldema
  48:  */
  49: public interface ChangeListener 
  50:   extends EventListener 
  51: {
  52: 
  53:   /**
  54:    * Called by an object to notify the listener that the object's state has
  55:    * changed.  The incoming <code>event</code> identifies the 
  56:    * <code>source</code> of the event, allowing the listener to differentiate
  57:    * when it is listening for changes in multiple sources.
  58:    * 
  59:    * @param event  the change event.
  60:    */
  61:   void stateChanged(ChangeEvent event);
  62: 
  63: }