Java tutorial
/* * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.tree; /** * Defines the requirements for a tree node object that can change -- * by adding or removing child nodes, or by changing the contents * of a user object stored in the node. * * @see DefaultMutableTreeNode * @see javax.swing.JTree * * @author Rob Davis * @author Scott Violet */ public interface MutableTreeNode extends TreeNode { /** * Adds <code>child</code> to the receiver at <code>index</code>. * <code>child</code> will be messaged with <code>setParent</code>. * * @param child node to be added * @param index index of the receiver */ void insert(MutableTreeNode child, int index); /** * Removes the child at <code>index</code> from the receiver. * * @param index index of child to be removed */ void remove(int index); /** * Removes <code>node</code> from the receiver. <code>setParent</code> * will be messaged on <code>node</code>. * * @param node node to be removed from the receiver */ void remove(MutableTreeNode node); /** * Resets the user object of the receiver to <code>object</code>. * * @param object object to be set as a receiver */ void setUserObject(Object object); /** * Removes the receiver from its parent. */ void removeFromParent(); /** * Sets the parent of the receiver to <code>newParent</code>. * * @param newParent node to be set as parent of the receiver */ void setParent(MutableTreeNode newParent); }