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.

Fields

direction

protected int direction

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

Constructors

TreeTraverseAction

public TreeTraverseAction(int direction,
                          String name)

Methods

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()