Module java.desktop

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 Details

    • TreeExpansionHandler

      public TreeExpansionHandler()
      Constructs a TreeExpansionHandler.
  • Method Details

    • 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
    • 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