Package Summary Overview Summary

class:BasicTreeUI.TreeExpansionHandler [NONE]

All Implemented Interfaces:

EventListener, TreeExpansionListener

Enclosing class:

BasicTreeUI
```
public class BasicTreeUI.TreeExpansionHandler
extends Object
implements TreeExpansionListener
```
Updates the TreeState in response to nodes expanding/collapsing.

constructor:<init>() [NONE]

TreeExpansionHandler
```
public TreeExpansionHandler()
```

method:treeExpanded(javax.swing.event.TreeExpansionEvent) [NONE]

treeExpanded
```
public void treeExpanded(TreeExpansionEvent event)
```
Called whenever an item in the tree has been expanded.

Specified by:

treeExpanded in interface TreeExpansionListener

Parameters:

event - a TreeExpansionEvent containing a TreePath object for the expanded node

method:treeCollapsed(javax.swing.event.TreeExpansionEvent) [NONE]

treeCollapsed
```
public void treeCollapsed(TreeExpansionEvent event)
```
Called whenever an item in the tree has been collapsed.

Specified by:

treeCollapsed in interface TreeExpansionListener

Parameters:

event - a TreeExpansionEvent containing a TreePath object for the collapsed node

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