Module java.desktop

Package javax.swing.plaf.basic

Class BasicTreeUI.TreeTraverseAction

java.lang.Object

javax.swing.AbstractAction

javax.swing.plaf.basic.BasicTreeUI.TreeTraverseAction

所有已实现的接口:

ActionListener, Serializable, Cloneable, EventListener, Action

封闭类:

BasicTreeUI

       public class BasicTreeUI.TreeTraverseAction extends AbstractAction
      

TreeTraverseAction 是用于左/右键的操作。将切换节点的展开状态，可能还会增加选择。

Field Summary

Fields

Modifier and Type	Field	Description
protected int	direction	确定遍历的方向，1表示展开，-1表示折叠。

Fields declared in class javax.swing.AbstractAction

changeSupport, enabled

Fields declared in interface javax.swing.Action

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 Summary

Constructors

Constructor	Description
TreeTraverseAction(int direction, String name)	构造一个新的 TreeTraverseAction 实例。

Method Summary

Modifier and Type	Method	Description
void	actionPerformed(ActionEvent e)	当发生操作时调用。

Methods declared in class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods declared in class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods declared in interface javax.swing.Action

accept

Field Details

direction

             protected int direction
            

确定遍历的方向，1表示展开，-1表示折叠。

Constructor Details

TreeTraverseAction

             public TreeTraverseAction(int direction, String name)
            

构造一个新的 TreeTraverseAction 实例。

参数:

direction - 方向

name - 操作的名称

Method Details

actionPerformed

             public void actionPerformed(ActionEvent e)
            

从接口复制的描述: ActionListener

当发生操作时调用。

参数:

e - 要处理的事件