01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.woody.formmodel;
18:
19: import org.apache.cocoon.woody.event.WidgetEventMulticaster;
20: import org.apache.cocoon.woody.event.ValueChangedEvent;
21: import org.apache.cocoon.woody.event.ValueChangedListener;
22:
23: /**
24: * The {@link WidgetDefinition} part of a BooleanField widget, see {@link BooleanField} for more information.
25: *
26: * @version $Id: BooleanFieldDefinition.java 433543 2006-08-22 06:22:54Z crossley $
27: */
28: public class BooleanFieldDefinition extends AbstractWidgetDefinition {
29: private ValueChangedListener listener;
30:
31: public Widget createInstance() {
32: return new BooleanField(this );
33: }
34:
35: public void addValueChangedListener(ValueChangedListener listener) {
36: this .listener = WidgetEventMulticaster.add(this .listener,
37: listener);
38: }
39:
40: public void fireValueChangedEvent(ValueChangedEvent event) {
41: if (this .listener != null) {
42: this .listener.valueChanged(event);
43: }
44: }
45:
46: public boolean hasValueChangedListeners() {
47: return listener != null;
48: }
49: }
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