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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.EditableValueHolder;
23  import javax.faces.component.UIComponent;
24  import javax.faces.event.ActionListener;
25  import java.util.Iterator;
26  
27  public abstract class AbstractResetInputActionListener implements ActionListener {
28  
29    protected void resetChildren(final UIComponent component) {
30      final Iterator it = component.getFacetsAndChildren();
31      while (it.hasNext()) {
32        final UIComponent child = (UIComponent) it.next();
33        if (child instanceof EditableValueHolder) {
34          reset((EditableValueHolder) child);
35        }
36        resetChildren(child);
37      }
38    }
39  
40    public static void reset(final EditableValueHolder editableValueHolder) {
41      editableValueHolder.setValue(null);
42      editableValueHolder.setSubmittedValue(null);
43      editableValueHolder.setLocalValueSet(false);
44      editableValueHolder.setValid(true);
45    }
46  }