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.
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Constructor Summary
Constructors Constructor Description TreeExpansionHandler()
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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.
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Constructor Details
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TreeExpansionHandler
public TreeExpansionHandler()
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Method Details
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treeExpanded
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
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treeCollapsed
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
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