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Java Source Code / Java Documentation » 6.0 JDK Core » AWT » java.awt.event 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.awt.event.ComponentAdapter

ComponentAdapter
abstract public class ComponentAdapter implements ComponentListener(Code)
An abstract adapter class for receiving component events. The methods in this class are empty. This class exists as convenience for creating listener objects.

Extend this class to create a ComponentEvent listener and override the methods for the events of interest. (If you implement the ComponentListener interface, you have to define all of the methods in it. This abstract class defines null methods for them all, so you can only have to define methods for events you care about.)

Create a listener object using your class and then register it with a component using the component's addComponentListener method. When the component's size, location, or visibility changes, the relevant method in the listener object is invoked, and the ComponentEvent is passed to it.
See Also:   ComponentEvent
See Also:   ComponentListener
See Also:    Tutorial: Writing a Component Listener
author:
   Carl Quinn
version:
   1.24 05/05/07
since:
   1.1





Method Summary
public  voidcomponentHidden(ComponentEvent e)
     Invoked when the component has been made invisible.
public  voidcomponentMoved(ComponentEvent e)
     Invoked when the component's position changes.
public  voidcomponentResized(ComponentEvent e)
     Invoked when the component's size changes.
public  voidcomponentShown(ComponentEvent e)
     Invoked when the component has been made visible.



Method Detail
componentHidden
public void componentHidden(ComponentEvent e)(Code)
Invoked when the component has been made invisible.



componentMoved
public void componentMoved(ComponentEvent e)(Code)
Invoked when the component's position changes.



componentResized
public void componentResized(ComponentEvent e)(Code)
Invoked when the component's size changes.



componentShown
public void componentShown(ComponentEvent e)(Code)
Invoked when the component has been made visible.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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