javax.swing.plaf.basic

Class BasicTreeUI.TreeTraverseAction

java.lang.Object

javax.swing.AbstractAction

javax.swing.plaf.basic.BasicTreeUI.TreeTraverseAction

All Implemented Interfaces:

ActionListener, Serializable, Cloneable, EventListener, Action

Enclosing class:

BasicTreeUI

public class BasicTreeUI.TreeTraverseAction
extends AbstractAction

TreeTraverseAction is the action used for left/right keys. Will toggle the expandedness of a node, as well as potentially incrementing the selection.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected int	direction Determines direction to traverse, 1 means expand, -1 means collapse.

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SHORT_DESCRIPTION, SMALL_ICON

Constructor Summary

Constructors

Constructor and Description
BasicTreeUI.TreeTraverseAction(int direction, String name) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	actionPerformed(ActionEvent e) Invoked when an action occurs.
boolean	isEnabled() Returns true if the action is enabled.

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object

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

Field Detail

direction

protected int direction

Determines direction to traverse, 1 means expand, -1 means collapse.

Constructor Detail

BasicTreeUI.TreeTraverseAction

public BasicTreeUI.TreeTraverseAction(int direction,
                              String name)

Constructor

Parameters:

direction - to traverse

name - is the name of the direction

Method Detail

actionPerformed

public void actionPerformed(ActionEvent e)

Invoked when an action occurs.

Parameters:

e - the event that occured

isEnabled

public boolean isEnabled()

Returns true if the action is enabled.

Specified by:

isEnabled in interface Action

Overrides:

isEnabled in class AbstractAction

Returns:

true if the action is enabled, false otherwise

See Also:

AbstractAction.setEnabled(boolean)