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/* ContainerAdapter.java -- Convenience class for writing container listeners |
/* ContainerAdapter.java -- convenience class for writing container listeners |
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Copyright (C) 1999 Free Software Foundation, Inc. |
Copyright (C) 1999, 2002 Free Software Foundation, Inc. |
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This file is part of GNU Classpath. |
This file is part of GNU Classpath. |
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package java.awt.event; |
package java.awt.event; |
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/** |
/** |
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* This is a convenience class for writing container listeners. It |
* This class implements <code>ContainerListener</code> and implements |
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* implements the <code>ContainerListner</code> interface with empty |
* all methods with empty bodies. This allows a listener interested in |
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* method bodies. This allows a listener to subclass this class and |
* implementing only a subset of the <code>ContainerListener</code> |
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* override only the methods of interest. |
* interface to extend this class and override only the desired methods. |
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* |
* |
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* @author Aaron M. Renn (arenn@urbanophile.com) |
* @author Aaron M. Renn <arenn@urbanophile.com> |
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*/ |
* @see ContainerEvent |
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public abstract class ContainerAdapter implements ContainerListener |
* @see ContainerListener |
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{ |
* @since 1.1 |
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* @status updated to 1.4 |
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/* |
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* Constructors |
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*/ |
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/** |
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* Do nothing default constructor for subclasses. |
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*/ |
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public |
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ContainerAdapter() |
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{ |
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} |
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/*************************************************************************/ |
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/* |
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* Instance Methods |
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*/ |
*/ |
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public abstract class ContainerAdapter implements ContainerListener |
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* Implements this method from the interface with an empty body. |
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* |
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* @param event Ignored |
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*/ |
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public void |
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componentAdded(ContainerEvent event) |
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{ |
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} |
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/*************************************************************************/ |
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/** |
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* Implements this method from the interface with an empty body. |
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* |
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* @param event Ignored |
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*/ |
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public void |
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componentRemoved(ContainerEvent event) |
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{ |
{ |
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} |
/** |
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* Do nothing default constructor for subclasses. |
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} // class ContainerAdapter |
*/ |
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public ContainerAdapter() |
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{ |
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} |
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/** |
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* Implements this method from the interface with an empty body. |
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* |
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* @param event the event, ignored in this implementation |
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*/ |
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public void componentAdded(ContainerEvent event) |
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{ |
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} |
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/** |
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* Implements this method from the interface with an empty body. |
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* |
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* @param event the event, ignored in this implementation |
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*/ |
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public void componentRemoved(ContainerEvent event) |
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{ |
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} |
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} // class ContainerAdapter |