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1   /*
2    * *************************************************************************************************************************************************************
3    *
4    * SteelBlue: DCI User Interfaces
5    * http://tidalwave.it/projects/steelblue
6    *
7    * Copyright (C) 2015 - 2024 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.role.ui.javafx.impl.tableview;
27  
28  import javax.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.role.ui.PresentationModel;
39  import it.tidalwave.role.ui.javafx.impl.common.CellBinder;
40  import it.tidalwave.role.ui.javafx.impl.common.ChangeListenerSelectableAdapter;
41  import it.tidalwave.role.ui.javafx.impl.common.DelegateSupport;
42  import it.tidalwave.role.ui.javafx.impl.common.JavaFXWorker;
43  import it.tidalwave.role.ui.javafx.impl.common.PresentationModelObservable;
44  import lombok.extern.slf4j.Slf4j;
45  import static it.tidalwave.role.ui.javafx.impl.common.JavaFXWorker.childrenPm;
46  
47  /***************************************************************************************************************************************************************
48   *
49   * @author  Fabrizio Giudici
50   *
51   **************************************************************************************************************************************************************/
52  @Slf4j
53  public class TableViewBindings extends DelegateSupport
54    {
55      private final Callback<TableColumn<PresentationModel, PresentationModel>,
56                       TableCell<PresentationModel, PresentationModel>> cellFactory;
57  
58      private final ChangeListener<PresentationModel> changeListener = new ChangeListenerSelectableAdapter(executor);
59  
60      /***********************************************************************************************************************************************************
61       *
62       **********************************************************************************************************************************************************/
63      public TableViewBindings (@Nonnull final Executor executor, @Nonnull final CellBinder cellBinder)
64        {
65          super(executor);
66          cellFactory = __ -> AsObjectTableCell.of(cellBinder);
67        }
68  
69      /***********************************************************************************************************************************************************
70       * {@inheritDoc}
71       **********************************************************************************************************************************************************/
72      public void bind (@Nonnull final TableView<PresentationModel> tableView,
73                        @Nonnull final PresentationModel pm,
74                        @Nonnull final Optional<Runnable> callback)
75        {
76          assertIsFxApplicationThread();
77          log.debug("bind({}, {}, {})", tableView, pm, callback);
78  
79          final var selectedProperty = tableView.getSelectionModel().selectedItemProperty();
80          selectedProperty.removeListener(changeListener);
81          JavaFXWorker.run(executor,
82                           () -> childrenPm(pm),
83                           items -> finalize(tableView, items, selectedProperty, callback));
84        }
85  
86      /***********************************************************************************************************************************************************
87       *
88       **********************************************************************************************************************************************************/
89      private void finalize (@Nonnull final TableView<PresentationModel> tableView,
90                             @Nonnull final ObservableList<PresentationModel> items,
91                             @Nonnull final ReadOnlyObjectProperty<PresentationModel> selectedProperty,
92                             @Nonnull final Optional<Runnable> callback)
93        {
94          tableView.setItems(items);
95          selectedProperty.addListener(changeListener);
96  
97          final ObservableList rawColumns = tableView.getColumns(); // FIXME cast
98  
99          ((ObservableList<TableColumn<PresentationModel, PresentationModel>>)rawColumns).forEach(column ->
100           {
101             column.setCellValueFactory(PresentationModelObservable::of);
102             column.setCellFactory(cellFactory);
103           });
104 
105         callback.ifPresent(Runnable::run);
106       }
107   }