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.javafx.impl.common;
27
28 import jakarta.annotation.Nonnull;
29 import java.util.Optional;
30 import java.util.function.Supplier;
31 import javafx.beans.value.ObservableValueBase;
32 import javafx.scene.control.TableColumn;
33 import javafx.scene.control.TreeTableColumn;
34 import it.tidalwave.role.Aggregate;
35 import it.tidalwave.ui.core.role.PresentationModel;
36 import lombok.RequiredArgsConstructor;
37
38 /***************************************************************************************************************************************************************
39 *
40 * @author Fabrizio Giudici
41 *
42 **************************************************************************************************************************************************************/
43 @RequiredArgsConstructor
44 public final class PresentationModelObservable extends ObservableValueBase
45 {
46 @Nonnull
47 private final Supplier<PresentationModel> rowPresentationModelSupplier;
48
49 @Nonnull
50 private final Supplier<String> columnKeySupplier;
51
52 @Override @Nonnull
53 public PresentationModel getValue()
54 {
55 final var rowPm = rowPresentationModelSupplier.get();
56 final var aggregate =
57 (Optional<Aggregate<PresentationModel>>)(Object)rowPm.maybeAs(Aggregate.class);
58 // FIXME: uses the column header names, should be an internal id instead
59 return aggregate.flatMap(a -> a.getByName(columnKeySupplier.get()))
60 .map(columnPm -> PresentationModelAsDelegateDecorator.decorating(columnPm, rowPm))
61 .orElse(PresentationModel.empty());
62 }
63
64 @Nonnull
65 public static PresentationModelObservable of (
66 @Nonnull final TableColumn.CellDataFeatures<PresentationModel, PresentationModel> cell)
67 {
68 return new PresentationModelObservable(
69 () -> cell.getValue(),
70 () -> cell.getTableColumn().getText());
71 }
72
73 @Nonnull
74 public static PresentationModelObservable of (
75 @Nonnull final TreeTableColumn.CellDataFeatures<PresentationModel, PresentationModel> cell)
76 {
77 return new PresentationModelObservable(
78 () -> cell.getValue().getValue(),
79 () -> cell.getTreeTableColumn().getText());
80 }
81 }