BasicTreeUI.TreeTraverseAction
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 interfaceAction
- Overrides:
-
isEnabled
in classAbstractAction
- Returns:
- true if the action is enabled, false otherwise
- See Also:
Action.isEnabled()
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