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/OpenJDK 21

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

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

Fields declared in class javax.swing.AbstractAction

changeSupport, enabled

Constructor Summary

Constructor Description
TreeTraverseAction(int direction, String name)
Constructs a new instance of TreeTraverseAction.

Method Summary

Modifier and Type Method Description
void actionPerformed(ActionEvent e)
Invoked when an action occurs.

Methods declared in class java.lang.Object

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

Methods declared in interface javax.swing.Action

accept

Field Details

direction

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

Constructor Details

TreeTraverseAction

public TreeTraverseAction(int direction, String name)
Constructs a new instance of TreeTraverseAction.
Parameters:
direction - the direction
name - the name of action

Method Details

actionPerformed

public void actionPerformed(ActionEvent e)
Description copied from interface: ActionListener
Invoked when an action occurs.
Parameters:
e - the event to be processed

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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).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/plaf/basic/BasicTreeUI.TreeTraverseAction.html