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.

Field Summary
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, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON

 

Constructor Summary
BasicTreeUI.TreeTraverseAction(int direction, String name)

 

Method Summary
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.

BasicTreeUI.TreeTraverseAction

public BasicTreeUI.TreeTraverseAction(int direction,
                                      String name)

actionPerformed

public void actionPerformed(ActionEvent e)

Description copied from interface: ActionListener

Invoked when an action occurs.

isEnabled

public boolean isEnabled()

Description copied from class: AbstractAction

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:

Action.isEnabled()