| /* |
| * 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.event; |
| |
| import java.util.EventListener; |
| |
| /** |
| * Defines the interface for an object that listens |
| * to changes in a TreeModel. |
| * For further information and examples see |
| * <a |
| href="http://java.sun.com/docs/books/tutorial/uiswing/events/treemodellistener.html">How to Write a Tree Model Listener</a>, |
| * a section in <em>The Java Tutorial.</em> |
| * |
| * @author Rob Davis |
| * @author Ray Ryan |
| */ |
| public interface TreeModelListener extends EventListener { |
| |
| /** |
| * <p>Invoked after a node (or a set of siblings) has changed in some |
| * way. The node(s) have not changed locations in the tree or |
| * altered their children arrays, but other attributes have |
| * changed and may affect presentation. Example: the name of a |
| * file has changed, but it is in the same location in the file |
| * system.</p> |
| * <p>To indicate the root has changed, childIndices and children |
| * will be null. </p> |
| * |
| * <p>Use <code>e.getPath()</code> |
| * to get the parent of the changed node(s). |
| * <code>e.getChildIndices()</code> |
| * returns the index(es) of the changed node(s).</p> |
| */ |
| void treeNodesChanged(TreeModelEvent e); |
| |
| /** |
| * <p>Invoked after nodes have been inserted into the tree.</p> |
| * |
| * <p>Use <code>e.getPath()</code> |
| * to get the parent of the new node(s). |
| * <code>e.getChildIndices()</code> |
| * returns the index(es) of the new node(s) |
| * in ascending order.</p> |
| */ |
| void treeNodesInserted(TreeModelEvent e); |
| |
| /** |
| * <p>Invoked after nodes have been removed from the tree. Note that |
| * if a subtree is removed from the tree, this method may only be |
| * invoked once for the root of the removed subtree, not once for |
| * each individual set of siblings removed.</p> |
| * |
| * <p>Use <code>e.getPath()</code> |
| * to get the former parent of the deleted node(s). |
| * <code>e.getChildIndices()</code> |
| * returns, in ascending order, the index(es) |
| * the node(s) had before being deleted.</p> |
| */ |
| void treeNodesRemoved(TreeModelEvent e); |
| |
| /** |
| * <p>Invoked after the tree has drastically changed structure from a |
| * given node down. If the path returned by e.getPath() is of length |
| * one and the first element does not identify the current root node |
| * the first element should become the new root of the tree.<p> |
| * |
| * <p>Use <code>e.getPath()</code> |
| * to get the path to the node. |
| * <code>e.getChildIndices()</code> |
| * returns null.</p> |
| */ |
| void treeStructureChanged(TreeModelEvent e); |
| |
| } |