Module java.desktop

Package javax.swing.plaf.basic

Class BasicTreeUI.TreeExpansionHandler

java.lang.Object

javax.swing.plaf.basic.BasicTreeUI.TreeExpansionHandler

All Implemented Interfaces:

EventListener, TreeExpansionListener

Enclosing class:

BasicTreeUI

public class BasicTreeUI.TreeExpansionHandler
extends Object
implements TreeExpansionListener

Updates the TreeState in response to nodes expanding/collapsing.

Constructor Summary

Constructors

Constructor	描述
TreeExpansionHandler()	Constructs a TreeExpansionHandler.

Method Summary

修饰符和类	方法	描述
void	treeCollapsed(TreeExpansionEvent event)	Called whenever an item in the tree has been collapsed.
void	treeExpanded(TreeExpansionEvent event)	Called whenever an item in the tree has been expanded.

Methods declared in class java.lang.Object

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

Constructor Details

TreeExpansionHandler

public TreeExpansionHandler()

Constructs a TreeExpansionHandler.

Method Details

treeExpanded

public void treeExpanded(TreeExpansionEvent event)

Called whenever an item in the tree has been expanded.

Specified by:

treeExpanded in interface TreeExpansionListener

Parameters:

event - a TreeExpansionEvent containing a TreePath object for the expanded node

treeCollapsed

public void treeCollapsed(TreeExpansionEvent event)

Called whenever an item in the tree has been collapsed.

Specified by:

treeCollapsed in interface TreeExpansionListener

Parameters:

event - a TreeExpansionEvent containing a TreePath object for the collapsed node