javax.swing.event
Interface TreeExpansionListener
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- 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.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description voidtreeCollapsed(TreeExpansionEvent event)Called whenever an item in the tree has been collapsed.voidtreeExpanded(TreeExpansionEvent event)Called whenever an item in the tree has been expanded.
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Method Detail
treeExpanded
void treeExpanded(TreeExpansionEvent event)
Called whenever an item in the tree has been expanded.
treeCollapsed
void treeCollapsed(TreeExpansionEvent event)
Called whenever an item in the tree has been collapsed.
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