TableViewBindings.java

  1. /*
  2.  * *********************************************************************************************************************
  3.  *
  4.  * SteelBlue: DCI User Interfaces
  5.  * http://tidalwave.it/projects/steelblue
  6.  *
  7.  * Copyright (C) 2015 - 2023 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
  12.  * the License. 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
  17.  * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the
  18.  * specific language governing permissions and limitations under the License.
  19.  *
  20.  * *********************************************************************************************************************
  21.  *
  22.  * git clone https://bitbucket.org/tidalwave/steelblue-src
  23.  * git clone https://github.com/tidalwave-it/steelblue-src
  24.  *
  25.  * *********************************************************************************************************************
  26.  */
  27. package it.tidalwave.role.ui.javafx.impl.tableview;

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

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

  57.     /*******************************************************************************************************************
  58.      *
  59.      *
  60.      *
  61.      ******************************************************************************************************************/
  62.     public TableViewBindings (@Nonnull final Executor executor, @Nonnull final CellBinder cellBinder)
  63.       {
  64.         super(executor);
  65.         cellFactory = __ -> AsObjectTableCell.of(cellBinder);
  66.       }

  67.     /*******************************************************************************************************************
  68.      *
  69.      * {@inheritDoc}
  70.      *
  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.         final var selectedProperty = tableView.getSelectionModel().selectedItemProperty();
  79.         selectedProperty.removeListener(changeListener);
  80.         JavaFXWorker.run(executor,
  81.                          () -> childrenPm(pm),
  82.                          items -> finalize(tableView, items, selectedProperty, callback));
  83.       }

  84.     /*******************************************************************************************************************
  85.      *
  86.      ******************************************************************************************************************/
  87.     private void finalize (@Nonnull final TableView<PresentationModel> tableView,
  88.                            @Nonnull final ObservableList<PresentationModel> items,
  89.                            @Nonnull final ReadOnlyObjectProperty<PresentationModel> selectedProperty,
  90.                            @Nonnull final Optional<Runnable> callback)
  91.       {
  92.         tableView.setItems(items);
  93.         selectedProperty.addListener(changeListener);

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

  95.         ((ObservableList<TableColumn<PresentationModel, PresentationModel>>)rawColumns).forEach(column ->
  96.           {
  97.             column.setCellValueFactory(PresentationModelObservable::of);
  98.             column.setCellFactory(cellFactory);
  99.           });

  100.         callback.ifPresent(Runnable::run);
  101.       }
  102.   }