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 }