Package: PanelGroupProviderSupport
PanelGroupProviderSupport
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PanelGroupProviderSupport(PanelGroupControl.Group, String, Object, Supplier) |
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getComponent() |
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Coverage
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.core.spi;
27:
28: import jakarta.annotation.Nonnull;
29: import java.util.function.Supplier;
30: import it.tidalwave.ui.core.PanelGroupControl.Group;
31: import it.tidalwave.ui.core.PanelGroupProvider;
32: import org.apiguardian.api.API;
33: import it.tidalwave.util.LazySupplier;
34: import lombok.Getter;
35: import static org.apiguardian.api.API.Status.EXPERIMENTAL;
36:
37: /***************************************************************************************************************************************************************
38: *
39: * A support class for {@link PanelGroupProvider}. Most implementation will just need to subclass and provide the proper parameters to the constructor.
40: *
41: * @param <T> the concrete type of the UI control
42: * @since 2.0-ALPHA-3
43: * @author Fabrizio Giudici
44: *
45: **************************************************************************************************************************************************************/
46: @API(status = EXPERIMENTAL)
47: public abstract class PanelGroupProviderSupport<T> implements PanelGroupProvider<T>
48: {
49: @Getter @Nonnull
50: private final Group group;
51:
52: @Getter @Nonnull
53: private final String label;
54:
55: @Getter @Nonnull
56: private final Object presentation;
57:
58: @Nonnull
59: private final LazySupplier<T> lazySupplier;
60:
61: /***********************************************************************************************************************************************************
62: * Creates a new instance with the given parameter.
63: * @param group the group
64: * @param label the label of the provided object
65: * @param presentation the presentation object
66: * @param supplier the supplier of the UI control
67: **********************************************************************************************************************************************************/
68: protected PanelGroupProviderSupport (@Nonnull final Group group,
69: @Nonnull final String label,
70: @Nonnull final Object presentation,
71: @Nonnull final Supplier<T> supplier)
72: {
73: this.group = group;
74: this.label = label;
75: this.presentation = presentation;
76: this.lazySupplier = LazySupplier.of(supplier);
77: }
78:
79: /***********************************************************************************************************************************************************
80: * {@inheritDoc}
81: **********************************************************************************************************************************************************/
82: @Override @Nonnull
83: public T getComponent ()
84: {
85: return lazySupplier.get();
86: }
87: }