Java tutorial
import java.awt.Component; import java.awt.Container; import java.awt.Point; import java.util.ArrayList; /** * Copyright (C) 2004 NNL Technology AB * Visit www.infonode.net 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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 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: ComponentUtil.java,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) { return; } getComponentTreePosition(c.getParent(), pos); pos.add(new Integer(c.getParent().getComponentCount() - getComponentIndex(c))); } }