JDK14/Java14源码在线阅读

/*
 * 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);

    /**

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