Expand All for a tree path : Tree « Swing JFC « Java






  1. Java
  2. Swing JFC
  3. Tree

Expand All for a tree path

   
/*
 *  soapUI, copyright (C) 2004-2009 eviware.com 
 *
 *  soapUI is free software; you can redistribute it and/or modify it under the 
 *  terms of version 2.1 of the GNU Lesser General Public License as published by 
 *  the Free Software Foundation.
 *
 *  soapUI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
 *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
 *  See the GNU Lesser General Public License for more details at gnu.org.
 */

import java.util.Enumeration;

import javax.swing.JTree;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

public class TreeUtils {
  public static void expandAll(JTree tree, TreePath parent, boolean expand) {
    // Traverse children
    TreeNode node = (TreeNode) parent.getLastPathComponent();
    if (node.getChildCount() >= 0) {
      for (Enumeration e = node.children(); e.hasMoreElements();) {
        TreeNode n = (TreeNode) e.nextElement();
        TreePath path = parent.pathByAddingChild(n);
        expandAll(tree, path, expand);
      }
    }

    // Expansion or collapse must be done bottom-up
    if (expand) {
      tree.expandPath(parent);
    } else {
      tree.collapsePath(parent);
    }
  }
}








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