W3cubDocs

/OpenJDK 8 GUI

Class 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()

© 1993–2017, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.