001 /* TreeModel.java --
002 Copyright (C) 2002 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package javax.swing.tree;
040
041 import javax.swing.event.TreeModelListener;
042
043 /**
044 * TreeModel public interface
045 * @author Andrew Selkirk
046 */
047 public interface TreeModel
048 {
049 /**
050 * getRoot
051 * @returns Object
052 */
053 Object getRoot();
054
055 /**
056 * getChild
057 * @param parent TODO
058 * @param index TODO
059 * @returns Object
060 */
061 Object getChild(Object parent, int index);
062
063 /**
064 * getChildCount
065 * @param parent TODO
066 * @returns int
067 */
068 int getChildCount(Object parent);
069
070 /**
071 * isLeaf
072 * @param node TODO
073 * @returns boolean
074 */
075 boolean isLeaf(Object node);
076
077 /**
078 * valueForPathChanged
079 * @param path TODO
080 * @param newvalue TODO
081 */
082 void valueForPathChanged(TreePath path, Object newvalue);
083
084 /**
085 * getIndexOfChild
086 * @param parent TODO
087 * @param child TODO
088 * @returns int
089 */
090 int getIndexOfChild(Object parent, Object child);
091
092 /**
093 * addTreeModelListener
094 * @param listener TODO
095 */
096 void addTreeModelListener(TreeModelListener listener);
097
098 /**
099 * removeTreeModelListener
100 * @param listener TODO
101 */
102 void removeTreeModelListener(TreeModelListener listener);
103
104
105 }