001 // Copyright 2004, 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.contrib.tree.model; 016 017 /** 018 * @author ceco 019 */ 020 public class TreeStateEvent { 021 public static final int SELECTED_NODE_CHANGED = 1; 022 public static final int NODE_EXPANDED = 2; 023 public static final int NODE_COLLAPSED = 4; 024 025 private int m_nEventType; 026 private transient ITreeStateModel m_objTreeStateModel = null; 027 private transient Object m_objNodeUID = null; 028 029 /** 030 * Constructor for TreeStateEvent. 031 */ 032 public TreeStateEvent(int nEventType, Object objNodeUID, ITreeStateModel objTreeStateModel) { 033 super(); 034 m_nEventType = nEventType; 035 m_objNodeUID = objNodeUID; 036 m_objTreeStateModel = objTreeStateModel; 037 } 038 039 /** 040 * Returns the EventType. 041 * @return int 042 */ 043 public int getEventType() { 044 return m_nEventType; 045 } 046 047 public boolean isEvent(int nEventType){ 048 return (getEventType() & nEventType) > 0; 049 } 050 051 public Object getNodeUID() { 052 return m_objNodeUID; 053 } 054 055 public ITreeStateModel getTreeStateModel() { 056 return m_objTreeStateModel; 057 } 058 }