Class 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.

Constructors

Constructor and Description
TreeExpansionHandler()

Methods

Modifier and Type Method and Description
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 inherited from class java.lang.Object

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

Constructors

TreeExpansionHandler

public TreeExpansionHandler()

Methods

treeExpanded

public void treeExpanded(TreeExpansionEvent event)

Called whenever an item in the tree has been expanded.

Specified by:
treeExpanded in interface TreeExpansionListener

treeCollapsed

public void treeCollapsed(TreeExpansionEvent event)

Called whenever an item in the tree has been collapsed.

Specified by:
treeCollapsed in interface TreeExpansionListener

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https://docs.oracle.com/javase/8/docs/api/javax/swing/plaf/basic/BasicTreeUI.TreeExpansionHandler.html