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
015package org.apache.tapestry.contrib.tree.model;
016
017/**
018 * @author ceco
019 */
020public 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}