public class BasicTreeUI.TreeTraverseAction extends AbstractAction
TreeTraverseAction
是用于左/右键的动作。
将切换节点的扩展,以及潜在地增加选择。
Modifier and Type | Field and Description |
---|---|
protected int |
direction
确定要移动的方向,1表示展开,-1表示折叠。
|
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 and Description |
---|
TreeTraverseAction(int direction,
String name)
|
Modifier and Type | Method and Description |
---|---|
void |
actionPerformed(ActionEvent e)
发生动作时调用。
|
boolean |
isEnabled()
如果启用该操作,则返回true。
|
addPropertyChangeListener,
clone, firePropertyChange,
getKeys, getPropertyChangeListeners,
getValue,
putValue,
removePropertyChangeListener,
setEnabled
public TreeTraverseAction(int direction, String name)
public void actionPerformed(ActionEvent e)
ActionListener
复制
public boolean isEnabled()
AbstractAction
isEnabled
在接口
Action
isEnabled
在类
AbstractAction
Action.isEnabled()