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Java Source | 1998-06-30 | 2.9 KB | 82 lines |
- /*
- * @(#)TreeModelListener.java 1.6 97/07/18
- *
- * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- */
-
- package com.sun.java.swing.event;
-
- import java.util.EventListener;
-
- /**
- * TreeChangeListener defines the interface for an object that listens
- * to changes in a TreeModel.
- *
- * @version 1.6 07/18/97
- * @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>e.path() returns the path the parent of the changed node(s).</p>
- *
- * <p>e.childIndices() 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>e.path() returns the parent of the new nodes
- * <p>e.childIndices() returns the indices of the new nodes in
- * ascending order.
- */
- 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>e.path() returns the former parent of the deleted nodes.</p>
- *
- * <p>e.childIndices() returns the indices the nodes had before they were deleted in ascending order.</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>e.path() holds the path to the node.</p>
- * <p>e.childIndices() returns null.</p>
- */
- void treeStructureChanged(TreeModelEvent e);
-
- }
-