Java™ Platform
Standard Ed. 6

javax.swing.plaf.basic
Class BasicTreeUI.KeyHandler

java.lang.Object
  extended by java.awt.event.KeyAdapter
      extended by javax.swing.plaf.basic.BasicTreeUI.KeyHandler
All Implemented Interfaces:
KeyListener, EventListener
Enclosing class:
BasicTreeUI

public class BasicTreeUI.KeyHandler
extends KeyAdapter

This is used to get mutliple key down events to appropriately generate events.


Field Summary
protected  boolean isKeyDown
          Set to true while keyPressed is active.
protected  Action repeatKeyAction
          Key code that is being generated for.
 
Constructor Summary
BasicTreeUI.KeyHandler()
           
 
Method Summary
 void keyPressed(KeyEvent e)
          Invoked when a key has been pressed.
 void keyReleased(KeyEvent e)
          Invoked when a key has been released.
 void keyTyped(KeyEvent e)
          Invoked when a key has been typed.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

repeatKeyAction

protected Action repeatKeyAction
Key code that is being generated for.


isKeyDown

protected boolean isKeyDown
Set to true while keyPressed is active.

Constructor Detail

BasicTreeUI.KeyHandler

public BasicTreeUI.KeyHandler()
Method Detail

keyTyped

public void keyTyped(KeyEvent e)
Invoked when a key has been typed. Moves the keyboard focus to the first element whose first letter matches the alphanumeric key pressed by the user. Subsequent same key presses move the keyboard focus to the next object that starts with the same letter.

Specified by:
keyTyped in interface KeyListener
Overrides:
keyTyped in class KeyAdapter

keyPressed

public void keyPressed(KeyEvent e)
Description copied from class: KeyAdapter
Invoked when a key has been pressed.

Specified by:
keyPressed in interface KeyListener
Overrides:
keyPressed in class KeyAdapter

keyReleased

public void keyReleased(KeyEvent e)
Description copied from class: KeyAdapter
Invoked when a key has been released.

Specified by:
keyReleased in interface KeyListener
Overrides:
keyReleased in class KeyAdapter

Java™ Platform
Standard Ed. 6

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