Class BasicTreeUI.TreeExpansionHandler
- java.lang.Object
-
- javax.swing.plaf.basic.BasicTreeUI.TreeExpansionHandler
- 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 Summary
Constructor | Description |
---|---|
TreeExpansionHandler() |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
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. |
Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Constructor Detail
TreeExpansionHandler
public TreeExpansionHandler()
Method Detail
treeExpanded
public void treeExpanded(TreeExpansionEvent event)
Called whenever an item in the tree has been expanded.
- Specified by:
-
treeExpanded
in interfaceTreeExpansionListener
- Parameters:
-
event
- aTreeExpansionEvent
containing aTreePath
object for the expanded node
treeCollapsed
public void treeCollapsed(TreeExpansionEvent event)
Called whenever an item in the tree has been collapsed.
- Specified by:
-
treeCollapsed
in interfaceTreeExpansionListener
- Parameters:
-
event
- aTreeExpansionEvent
containing aTreePath
object for the collapsed node