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javax.swing.event
public interface: TreeExpansionListener [javadoc | source]

All Implemented Interfaces:
    EventListener

All Known Implementing Classes:
    AccessibleJTree, TreeExpansionHandler, Handler

The listener that's notified when a tree expands or collapses a node. For further documentation and examples see How to Write a Tree Expansion Listener, a section in The Java Tutorial.

author: Scott - Violet

Method from javax.swing.event.TreeExpansionListener Summary:
treeCollapsed,   treeExpanded

Method from javax.swing.event.TreeExpansionListener Detail:
public void treeCollapsed(TreeExpansionEvent event) Called whenever an item in the tree has been collapsed.
public void treeExpanded(TreeExpansionEvent event) Called whenever an item in the tree has been expanded.