View Javadoc
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.tableview;
27  
28  import jakarta.annotation.Nonnull;
29  import java.util.Optional;
30  import java.util.concurrent.Executor;
31  import javafx.beans.property.ReadOnlyObjectProperty;
32  import javafx.beans.value.ChangeListener;
33  import javafx.collections.ObservableList;
34  import javafx.scene.control.TableCell;
35  import javafx.scene.control.TableColumn;
36  import javafx.scene.control.TableView;
37  import javafx.util.Callback;
38  import it.tidalwave.ui.core.role.PresentationModel;
39  import it.tidalwave.ui.javafx.impl.common.CellBinder;
40  import it.tidalwave.ui.javafx.impl.common.ChangeListenerSelectableAdapter;
41  import it.tidalwave.ui.javafx.impl.common.DelegateSupport;
42  import it.tidalwave.ui.javafx.impl.common.JavaFXWorker;
43  import it.tidalwave.ui.javafx.impl.common.PresentationModelObservable;
44  import lombok.extern.slf4j.Slf4j;
45  import static it.tidalwave.ui.javafx.impl.DefaultJavaFXBinder.enforceFxApplicationThread;
46  import static it.tidalwave.ui.javafx.impl.common.JavaFXWorker.childrenPm;
47  
48  /***************************************************************************************************************************************************************
49   *
50   * @author  Fabrizio Giudici
51   *
52   **************************************************************************************************************************************************************/
53  @Slf4j
54  public class TableViewBindings extends DelegateSupport
55    {
56      private final Callback<TableColumn<PresentationModel, PresentationModel>,
57                       TableCell<PresentationModel, PresentationModel>> cellFactory;
58  
59      private final ChangeListener<PresentationModel> changeListener = new ChangeListenerSelectableAdapter(executor);
60  
61      /***********************************************************************************************************************************************************
62       *
63       **********************************************************************************************************************************************************/
64      public TableViewBindings (@Nonnull final Executor executor, @Nonnull final CellBinder cellBinder)
65        {
66          super(executor);
67          cellFactory = __ -> AsObjectTableCell.of(cellBinder);
68        }
69  
70      /***********************************************************************************************************************************************************
71       * {@inheritDoc}
72       **********************************************************************************************************************************************************/
73      public void bind (@Nonnull final TableView<PresentationModel> tableView,
74                        @Nonnull final PresentationModel pm,
75                        @Nonnull final Optional<Runnable> callback)
76        {
77          enforceFxApplicationThread();
78          log.debug("bind({}, {}, {})", tableView, pm, callback);
79  
80          final var selectedProperty = tableView.getSelectionModel().selectedItemProperty();
81          selectedProperty.removeListener(changeListener);
82          JavaFXWorker.run(executor,
83                           () -> childrenPm(pm),
84                           items -> finalize(tableView, items, selectedProperty, callback));
85        }
86  
87      /***********************************************************************************************************************************************************
88       *
89       **********************************************************************************************************************************************************/
90      private void finalize (@Nonnull final TableView<PresentationModel> tableView,
91                             @Nonnull final ObservableList<PresentationModel> items,
92                             @Nonnull final ReadOnlyObjectProperty<PresentationModel> selectedProperty,
93                             @Nonnull final Optional<Runnable> callback)
94        {
95          tableView.setItems(items);
96          selectedProperty.addListener(changeListener);
97  
98          final ObservableList rawColumns = tableView.getColumns(); // FIXME cast
99  
100         ((ObservableList<TableColumn<PresentationModel, PresentationModel>>)rawColumns).forEach(column ->
101           {
102             column.setCellValueFactory(PresentationModelObservable::of);
103             column.setCellFactory(cellFactory);
104           });
105 
106         callback.ifPresent(Runnable::run);
107       }
108   }