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1   /*
2    * *************************************************************************************************************************************************************
3    *
4    * SteelBlue: DCI User Interfaces
5    * http://tidalwave.it/projects/steelblue
6    *
7    * Copyright (C) 2015 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8    *
9    * *************************************************************************************************************************************************************
10   *
11   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12   * You may obtain a copy of the License at
13   *
14   *     http://www.apache.org/licenses/LICENSE-2.0
15   *
16   * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17   * CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
18   *
19   * *************************************************************************************************************************************************************
20   *
21   * git clone https://bitbucket.org/tidalwave/steelblue-src
22   * git clone https://github.com/tidalwave-it/steelblue-src
23   *
24   * *************************************************************************************************************************************************************
25   */
26  package it.tidalwave.ui.function;
27  
28  import java.beans.PropertyChangeSupport;
29  import lombok.experimental.Delegate;
30  
31  /***************************************************************************************************************************************************************
32   *
33   * @since   2.0-ALPHA-1
34   * @author  Fabrizio Giudici
35   *
36   **************************************************************************************************************************************************************/
37  public abstract class BoundFunctionSupport<DOMAIN_TYPE, CODOMAIN_TYPE>
38                    implements BoundFunction<DOMAIN_TYPE, CODOMAIN_TYPE>
39    {
40      @Delegate // FIXME: weak
41      private final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
42  
43      /***********************************************************************************************************************************************************
44       * {@inheritDoc}
45       **********************************************************************************************************************************************************/
46      @Override
47      public void unbindAll()
48        {
49          for (final var listener : pcs.getPropertyChangeListeners().clone())
50            {
51              pcs.removePropertyChangeListener(listener);
52            }
53        }
54  
55      protected void fireValueChanged (final CODOMAIN_TYPE oldValue, final CODOMAIN_TYPE newValue)
56        {
57          pcs.firePropertyChange("value", oldValue, newValue);
58        }
59  
60      protected void fireValueChanged (final boolean oldValue, final boolean newValue)
61        {
62          pcs.firePropertyChange("value", oldValue, newValue);
63        }
64    }