EventListener
public interface TreeWillExpandListener extends EventListener
Modifier and Type | Method | Description |
---|---|---|
void |
treeWillCollapse(TreeExpansionEvent event) |
Invoked whenever a node in the tree is about to be collapsed.
|
void |
treeWillExpand(TreeExpansionEvent event) |
Invoked whenever a node in the tree is about to be expanded.
|
void treeWillExpand(TreeExpansionEvent event) throws ExpandVetoException
event
- a TreeExpansionEvent
containing a TreePath
object for the nodeExpandVetoException
- to signify expansion has been canceledvoid treeWillCollapse(TreeExpansionEvent event) throws ExpandVetoException
event
- a TreeExpansionEvent
containing a TreePath
object for the nodeExpandVetoException
- to signify collapse has been canceled Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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DRAFT 9-internal+0-adhoc.mlchung.jdk9-jdeps