javax.swing.plaf.basic
Class BasicTreeUI.TreeTraverseAction

java.lang.Object
  javax.swing.AbstractAction
      javax.swing.plaf.basic.BasicTreeUI.TreeTraverseAction

All Implemented Interfaces:

Action, ActionListener, Cloneable, EventListener, Serializable

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

Nested Class Summary

Nested classes inherited from class javax.swing.AbstractAction

Field Summary

private boolean	changeSelection True if the selection is reset, false means only the lead path changes.
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

	BasicTreeUI.TreeTraverseAction(int direction, String name)
private	BasicTreeUI.TreeTraverseAction(int direction, String name, boolean changeSelection)

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.

changeSelection

private boolean changeSelection

True if the selection is reset, false means only the lead path changes.

Constructor Detail

BasicTreeUI.TreeTraverseAction

public BasicTreeUI.TreeTraverseAction(int direction,
                                      String name)

BasicTreeUI.TreeTraverseAction

private BasicTreeUI.TreeTraverseAction(int direction,
                                       String name,
                                       boolean changeSelection)

Method Detail

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()