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com.flexstor.common.awt
Class KeyWatcher  

java.lang.Object
  com.flexstor.common.awt.KeyWatcher

All Implemented Interfaces:

java.awt.event.ContainerListener, java.util.EventListener

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public class KeyWatcher

extends java.lang.Object

implements java.awt.event.ContainerListener

Adds the controller as a key listener for all items (and sub items) in a container. This is done by watching the container and automatically adding and removing key listeners as other containers or components are added or removed. Please Note: 1. setController() not only sets the controller, but also does an inital pass through the target container and adds any items already in that container. 2. The controller MUST implement KeyListener. 3. Implement canProcessComponent() to controll which components are included or excluded.

Version:

2.0

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Field Summary
private  java.awt.event.KeyListener	controller
private  java.awt.Container	target
private  java.util.Vector	vExcludeVector

 

Constructor Summary

KeyWatcher(java.awt.Container target)           Creates a new key watcher.

KeyWatcher(java.awt.Container target, java.awt.event.KeyListener controller)           Creates a new key watcher.

 

Method Summary
void	addExclusion(java.lang.Class c)
protected  boolean	canProcessComponent(java.awt.Component c)           Controls if a components is included or excluded from key watching.
void	componentAdded(java.awt.event.ContainerEvent e)           Required for the container lister -- DO NOT CALL THIS METHOD DIRECTLY!
void	componentRemoved(java.awt.event.ContainerEvent e)           Required for the container lister -- DO NOT CALL THIS METHOD DIRECTLY!
private  void	configureListeners(java.awt.Component c)           Adds a keyListener for c and all components within c.
void	removeExclusion(java.lang.Class c)
void	setController(java.awt.event.KeyListener controller)           Sets the controller that will be added as a key listener.
private  void	unconfigureListeners(java.awt.Component c)           Removes the keyListener for c and all components within c.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

controller

private java.awt.event.KeyListener controller

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target

private java.awt.Container target

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vExcludeVector

private java.util.Vector vExcludeVector

Constructor Detail

KeyWatcher

public KeyWatcher(java.awt.Container target)

Creates a new key watcher.

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KeyWatcher

public KeyWatcher(java.awt.Container target,
                  java.awt.event.KeyListener controller)

Creates a new key watcher.

Method Detail

addExclusion

public void addExclusion(java.lang.Class c)

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removeExclusion

public void removeExclusion(java.lang.Class c)

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canProcessComponent

protected boolean canProcessComponent(java.awt.Component c)

Controls if a components is included or excluded from key watching. Returns true if this component can be watched, or false to exclude it.

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setController

public void setController(java.awt.event.KeyListener controller)

Sets the controller that will be added as a key listener. Also does an inital pass through the target container.

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componentAdded

public void componentAdded(java.awt.event.ContainerEvent e)

Required for the container lister -- DO NOT CALL THIS METHOD DIRECTLY!

Specified by:

componentAdded in interface java.awt.event.ContainerListener

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componentRemoved

public void componentRemoved(java.awt.event.ContainerEvent e)

Required for the container lister -- DO NOT CALL THIS METHOD DIRECTLY!

Specified by:

componentRemoved in interface java.awt.event.ContainerListener

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configureListeners

private void configureListeners(java.awt.Component c)

Adds a keyListener for c and all components within c.

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unconfigureListeners

private void unconfigureListeners(java.awt.Component c)

Removes the keyListener for c and all components within c.

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Home >> All >> com >> flexstor >> common >> [ awt overview ]	PREV CLASS  NEXT CLASS
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