Get Component Index : Container « Swing JFC « Java

Get Component Index

import java.awt.Component;
import java.awt.Container;
import java.awt.Point;
import java.util.ArrayList;
 * Copyright (C) 2004 NNL Technology AB
 * Visit for information about InfoNode(R) 
 * products and how to contact NNL Technology AB.
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
 * MA 02111-1307, USA.

// $Id:,v 1.25 2005/12/04 13:46:04 jesper Exp $

public class Util {

  public static final int getComponentIndex(Component component) {
    if (component != null && component.getParent() != null) {
      Container c = component.getParent();
      for (int i = 0; i < c.getComponentCount(); i++) {
        if (c.getComponent(i) == component)
          return i;

    return -1;
  public static void getComponentTreePosition(Component c, ArrayList pos) {
    if (c.getParent() == null) {

    getComponentTreePosition(c.getParent(), pos);

    pos.add(new Integer(c.getParent().getComponentCount() - getComponentIndex(c)));



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9.Count Components in a Container
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