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.
- See Also:
- Serialized Form
Field Summary |
protected int |
direction
Determines direction to traverse, 1 means expand, -1 means collapse. |
direction
protected int direction
- Determines direction to traverse, 1 means expand, -1 means collapse.
BasicTreeUI.TreeTraverseAction
public BasicTreeUI.TreeTraverseAction(int direction,
String name)
- Constructor
- Parameters:
direction
- to traversename
- is the name of the direction
actionPerformed
public void actionPerformed(ActionEvent e)
- Invoked when an action occurs.
- Parameters:
e
- the event that occured
isEnabled
public boolean isEnabled()
- 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:
AbstractAction.setEnabled(boolean)