import java.awt.Component;

import javax.swing.JTree;

import javax.swing.tree.DefaultTreeCellRenderer;

        actionsTree.setCellRenderer(new ActionsPanel.ActionTreeRenderer());

    }

    /** Tree renderer. Icons of Actions added. 

     */ 

    private static class ActionTreeRenderer extends DefaultTreeCellRenderer {

        public Component getTreeCellRendererComponent(

                        JTree tree,

                        Object value,

                        boolean sel,

                        boolean expanded,

                        boolean leaf,

                        int row,

                        boolean hasFocus) {

           super.getTreeCellRendererComponent(

                        tree, value, sel,

                        expanded, leaf, row,

                        hasFocus);

           if (value instanceof ActionNode) {

               ActionNode node = (ActionNode) value;

               setIcon(node.getAction().getIcon());

           }

           return this;             

        }