ActionListener
, Serializable
, Cloneable
, EventListener
, Action
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.Modifier and Type | Field | Description |
---|---|---|
protected int |
direction |
Determines direction to traverse, 1 means expand, -1 means collapse. |
changeSupport, enabled
ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON
Constructor | Description |
---|---|
TreeTraverseAction |
Constructs a new instance of TreeTraverseAction . |
Modifier and Type | Method | Description |
---|---|---|
void |
actionPerformed |
Invoked when an action occurs. |
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled
protected int direction
public TreeTraverseAction(int direction, String name)
TreeTraverseAction
.direction
- the directionname
- the name of actionpublic void actionPerformed(ActionEvent e)
ActionListener
e
- the event to be processed
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/plaf/basic/BasicTreeUI.TreeTraverseAction.html