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javax.swing.event

Interface TreeWillExpandListener

All Superinterfaces:
EventListener
public interface TreeWillExpandListener
extends EventListener
The listener that's notified when a tree expands or collapses a node. For further information and examples see How to Write a Tree-Will-Expand Listener, a section in The Java Tutorial.

Method Summary

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.

Method Details

treeWillCollapse

public void treeWillCollapse(TreeExpansionEvent event)
            throws ExpandVetoException
Invoked whenever a node in the tree is about to be collapsed.

treeWillExpand

public void treeWillExpand(TreeExpansionEvent event)
            throws ExpandVetoException
Invoked whenever a node in the tree is about to be expanded.

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