javax.swing.event
Interface TreeExpansionListener
- All Superinterfaces:
- EventListener
All Known Implementing Classes
- BasicTreeUI.TreeExpansionHandler, JTree.AccessibleJTree
- public interface TreeExpansionListener
- extends EventListener
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.
Method Summary
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.
Method Detail
treeExpanded
public void treeExpanded(TreeExpansionEvent event)
- Called whenever an item in the tree has been expanded.
treeCollapsed
public void treeCollapsed(TreeExpansionEvent event)
- Called whenever an item in the tree has been collapsed.