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 |
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protected int |
direction
确定要移动的方向,1表示展开,-1表示折叠。
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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 |
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TreeTraverseAction(int direction, String name) |
Modifier and Type | Method and Description |
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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()