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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.event;
21  
22  import javax.faces.component.UIComponent;
23  import javax.faces.event.FacesEvent;
24  import javax.faces.event.FacesListener;
25  
26  public class TreeSelectedEvent extends FacesEvent {
27  
28    private static final long serialVersionUID = 422186716954088729L;
29  
30    private boolean oldSelected;
31    private boolean newSelected;
32  
33    public TreeSelectedEvent(final UIComponent node, final boolean oldSelected, final boolean newSelected) {
34      super(node);
35      this.oldSelected = oldSelected;
36      this.newSelected = newSelected;
37    }
38  
39    public boolean isAppropriateListener(final FacesListener facesListener) {
40      return facesListener instanceof TreeSelectedListener;
41    }
42  
43    public void processListener(final FacesListener facesListener) {
44      if (facesListener instanceof TreeSelectedListener) {
45        if (oldSelected && !newSelected) {
46          ((TreeSelectedListener) facesListener).treeSelected(this);
47        } else if (!oldSelected && newSelected) {
48          ((TreeSelectedListener) facesListener).treeSelected(this);
49        } else {
50          // nothing to do
51        }
52      }
53    }
54  
55    public boolean isOldSelected() {
56      return oldSelected;
57    }
58  
59    public boolean isNewSelected() {
60      return newSelected;
61    }
62  
63    @Override
64    public String toString() {
65      return super.toString() + "selected=" + newSelected;
66    }
67  }