TableViewBindings.java

  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. import javax.annotation.Nonnull;
  28. import java.util.Optional;
  29. import java.util.concurrent.Executor;
  30. import javafx.beans.property.ReadOnlyObjectProperty;
  31. import javafx.beans.value.ChangeListener;
  32. import javafx.collections.ObservableList;
  33. import javafx.scene.control.TableCell;
  34. import javafx.scene.control.TableColumn;
  35. import javafx.scene.control.TableView;
  36. import javafx.util.Callback;
  37. import it.tidalwave.role.ui.PresentationModel;
  38. import it.tidalwave.role.ui.javafx.impl.common.CellBinder;
  39. import it.tidalwave.role.ui.javafx.impl.common.ChangeListenerSelectableAdapter;
  40. import it.tidalwave.role.ui.javafx.impl.common.DelegateSupport;
  41. import it.tidalwave.role.ui.javafx.impl.common.JavaFXWorker;
  42. import it.tidalwave.role.ui.javafx.impl.common.PresentationModelObservable;
  43. import lombok.extern.slf4j.Slf4j;
  44. import static it.tidalwave.role.ui.javafx.impl.common.JavaFXWorker.childrenPm;

  45. /***************************************************************************************************************************************************************
  46.  *
  47.  * @author  Fabrizio Giudici
  48.  *
  49.  **************************************************************************************************************************************************************/
  50. @Slf4j
  51. public class TableViewBindings extends DelegateSupport
  52.   {
  53.     private final Callback<TableColumn<PresentationModel, PresentationModel>,
  54.                      TableCell<PresentationModel, PresentationModel>> cellFactory;

  55.     private final ChangeListener<PresentationModel> changeListener = new ChangeListenerSelectableAdapter(executor);

  56.     /***********************************************************************************************************************************************************
  57.      *
  58.      **********************************************************************************************************************************************************/
  59.     public TableViewBindings (@Nonnull final Executor executor, @Nonnull final CellBinder cellBinder)
  60.       {
  61.         super(executor);
  62.         cellFactory = __ -> AsObjectTableCell.of(cellBinder);
  63.       }

  64.     /***********************************************************************************************************************************************************
  65.      * {@inheritDoc}
  66.      **********************************************************************************************************************************************************/
  67.     public void bind (@Nonnull final TableView<PresentationModel> tableView,
  68.                       @Nonnull final PresentationModel pm,
  69.                       @Nonnull final Optional<Runnable> callback)
  70.       {
  71.         assertIsFxApplicationThread();
  72.         log.debug("bind({}, {}, {})", tableView, pm, callback);

  73.         final var selectedProperty = tableView.getSelectionModel().selectedItemProperty();
  74.         selectedProperty.removeListener(changeListener);
  75.         JavaFXWorker.run(executor,
  76.                          () -> childrenPm(pm),
  77.                          items -> finalize(tableView, items, selectedProperty, callback));
  78.       }

  79.     /***********************************************************************************************************************************************************
  80.      *
  81.      **********************************************************************************************************************************************************/
  82.     private void finalize (@Nonnull final TableView<PresentationModel> tableView,
  83.                            @Nonnull final ObservableList<PresentationModel> items,
  84.                            @Nonnull final ReadOnlyObjectProperty<PresentationModel> selectedProperty,
  85.                            @Nonnull final Optional<Runnable> callback)
  86.       {
  87.         tableView.setItems(items);
  88.         selectedProperty.addListener(changeListener);

  89.         final ObservableList rawColumns = tableView.getColumns(); // FIXME cast

  90.         ((ObservableList<TableColumn<PresentationModel, PresentationModel>>)rawColumns).forEach(column ->
  91.           {
  92.             column.setCellValueFactory(PresentationModelObservable::of);
  93.             column.setCellFactory(cellFactory);
  94.           });

  95.         callback.ifPresent(Runnable::run);
  96.       }
  97.   }