com.vividsolutions.jump.workbench.ui

Class RecursiveListener

java.lang.Object

com.vividsolutions.jump.workbench.ui.RecursiveListener

All Implemented Interfaces:

ContainerListener, EventListener

Direct Known Subclasses:

RecursiveKeyListener

public abstract class RecursiveListener
extends Object
implements ContainerListener

Listens to a component; if the component is a container, recursively listens to all children. If components are added or removed, the listener is added or removed. Usage:

new RecursiveListener(aComponent);

Uses:

• add a KeyListener to all components in an application to watch for global function keys
• add a FocusListener to all components in a scrollable panel to allow auto scrolling on tab

Subclass and implement addListenerTo() and removeListenerFrom().

Author:

DeGroof, Steve. "Java Files."

Available from http://www.mindspring.com/~degroof/java/index.html. Internet; accessed 8 January 2003.
From the website: "The source code provided here should be considered example code. That is, you can use or modify it without permission. On the other hand, you're using the code at your own risk."

Constructor Summary

Constructors

Constructor and Description
RecursiveListener(Component component)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	addListenerTo(Component comp)
void	componentAdded(ContainerEvent evt)
void	componentRemoved(ContainerEvent evt)
void	ignore(Component comp)
void	listenTo(Component comp)
abstract void	removeListenerFrom(Component comp)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RecursiveListener

public RecursiveListener(Component component)

Method Detail

componentRemoved

public void componentRemoved(ContainerEvent evt)

Specified by:

componentRemoved in interface ContainerListener

componentAdded

public void componentAdded(ContainerEvent evt)

Specified by:

componentAdded in interface ContainerListener

listenTo

public void listenTo(Component comp)

ignore

public void ignore(Component comp)

addListenerTo

public abstract void addListenerTo(Component comp)

removeListenerFrom

public abstract void removeListenerFrom(Component comp)