001 package org.apache.myfaces.tobago.event; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import javax.faces.component.UIComponent; 021 import javax.faces.event.FacesEvent; 022 import javax.faces.event.FacesListener; 023 024 public class TreeExpansionEvent extends FacesEvent { 025 026 private static final long serialVersionUID = 422186716954088729L; 027 028 private boolean oldExpanded; 029 private boolean newExpanded; 030 031 public TreeExpansionEvent(UIComponent node, boolean oldExpanded, boolean newExpanded) { 032 super(node); 033 this.oldExpanded = oldExpanded; 034 this.newExpanded = newExpanded; 035 } 036 037 public boolean isAppropriateListener(FacesListener facesListener) { 038 return facesListener instanceof TreeExpansionListener; 039 } 040 041 public void processListener(FacesListener facesListener) { 042 if (facesListener instanceof TreeExpansionListener) { 043 if (oldExpanded && !newExpanded) { 044 //todo ((TreeExpansionListener) facesListener).treeCollapsed(this); 045 ((TreeExpansionListener) facesListener).treeExpanded(this); 046 } else if (!oldExpanded && newExpanded) { 047 ((TreeExpansionListener) facesListener).treeExpanded(this); 048 } else { 049 // nothing to do 050 } 051 } 052 } 053 054 public boolean isOldExpanded() { 055 return oldExpanded; 056 } 057 058 public boolean isNewExpanded() { 059 return newExpanded; 060 } 061 062 @Override 063 public String toString() { 064 return new StringBuilder() 065 .append(super.toString()) 066 .append("expanded=") 067 .append(newExpanded) 068 .toString(); 069 } 070 }