001/* TreeModel.java -- 002 Copyright (C) 2002 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.swing.tree; 040 041import javax.swing.event.TreeModelListener; 042 043/** 044 * TreeModel public interface 045 * @author Andrew Selkirk 046 */ 047public 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}