01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package griffon.javafx.beans.binding;
19
20 import javafx.beans.InvalidationListener;
21 import javafx.beans.binding.Binding;
22 import javafx.beans.value.ChangeListener;
23 import javafx.collections.ObservableList;
24
25 import javax.annotation.Nonnull;
26
27 import static java.util.Objects.requireNonNull;
28
29 /**
30 * @author Andres Almiray
31 * @since 2.13.0
32 */
33 public class BindingDecorator<T> implements Binding<T> {
34 private final Binding<T> delegate;
35
36 public BindingDecorator(@Nonnull Binding<T> delegate) {
37 this.delegate = requireNonNull(delegate, "Argument 'delegate' must not be null");
38 }
39
40 @Nonnull
41 protected final Binding<T> getDelegate() {
42 return delegate;
43 }
44
45 @Override
46 public boolean isValid() {
47 return getDelegate().isValid();
48 }
49
50 @Override
51 public void invalidate() {
52 getDelegate().invalidate();
53 }
54
55 @Override
56 public ObservableList<?> getDependencies() {
57 return getDelegate().getDependencies();
58 }
59
60 @Override
61 public void dispose() {
62 getDelegate().dispose();
63 }
64
65 @Override
66 public void addListener(ChangeListener<? super T> listener) {
67 getDelegate().addListener(listener);
68 }
69
70 @Override
71 public void removeListener(ChangeListener<? super T> listener) {
72 getDelegate().removeListener(listener);
73 }
74
75 @Override
76 public T getValue() {
77 return getDelegate().getValue();
78 }
79
80 @Override
81 public void addListener(InvalidationListener listener) {
82 getDelegate().addListener(listener);
83 }
84
85 @Override
86 public void removeListener(InvalidationListener listener) {
87 getDelegate().removeListener(listener);
88 }
89 }
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