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Package: ListViewBindings
ListViewBindings
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| ListViewBindings(Executor, CellBinder, Supplier) |
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| bind(ListView, PresentationModel, Optional) |
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| finalizeBinding(ListView, ObservableList, ReadOnlyObjectProperty, Optional) |
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| lambda$bind$1(PresentationModel) |
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| lambda$bind$2(ListView, KeyEvent) |
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| lambda$bind$3(PresentationModel) |
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| lambda$bind$4(ListView, ReadOnlyObjectProperty, Optional, ObservableList) |
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| lambda$new$0(CellBinder, ListView) |
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| static {...} |
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Coverage
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.list;
27:
28: import jakarta.annotation.Nonnull;
29: import java.util.List;
30: import java.util.Optional;
31: import java.util.concurrent.Executor;
32: import java.util.function.Supplier;
33: import javafx.beans.property.ReadOnlyObjectProperty;
34: import javafx.beans.value.ChangeListener;
35: import javafx.collections.ObservableList;
36: import javafx.scene.control.ListCell;
37: import javafx.scene.control.ListView;
38: import javafx.stage.Window;
39: import javafx.util.Callback;
40: import it.tidalwave.ui.core.role.PresentationModel;
41: import it.tidalwave.ui.core.role.UserAction;
42: import it.tidalwave.ui.javafx.impl.common.AsObjectListCell;
43: import it.tidalwave.ui.javafx.impl.common.CellBinder;
44: import it.tidalwave.ui.javafx.impl.common.ChangeListenerSelectableAdapter;
45: import it.tidalwave.ui.javafx.impl.common.DelegateSupport;
46: import it.tidalwave.ui.javafx.impl.common.JavaFXWorker;
47: import it.tidalwave.ui.javafx.impl.common.RoleCollector;
48: import lombok.extern.slf4j.Slf4j;
49: import static it.tidalwave.ui.core.role.UserActionProvider._UserActionProvider_;
50: import static it.tidalwave.ui.javafx.impl.DefaultJavaFXBinder.enforceFxApplicationThread;
51: import static it.tidalwave.ui.javafx.impl.common.JavaFXWorker.childrenPm;
52: import static javafx.collections.FXCollections.observableArrayList;
53: import static javafx.scene.input.KeyCode.*;
54:
55: /***************************************************************************************************************************************************************
56: *
57: * This class takes care of bindings related to {@link ListView}.
58: *
59: * @author Fabrizio Giudici
60: *
61: **************************************************************************************************************************************************************/
62: @Slf4j
63: public class ListViewBindings extends DelegateSupport
64: {
65: @Nonnull
66: private final Callback<ListView<PresentationModel>, ListCell<PresentationModel>> cellFactory;
67:
68: private final ChangeListener<PresentationModel> changeListener = new ChangeListenerSelectableAdapter(executor);
69:
70: /***********************************************************************************************************************************************************
71: *
72: **********************************************************************************************************************************************************/
73: public ListViewBindings (@Nonnull final Executor executor, @Nonnull final CellBinder cellBinder, @Nonnull final Supplier<Window> mainWindow)
74: {
75: super(executor, mainWindow);
76: cellFactory = listView -> new AsObjectListCell<>(cellBinder);
77: }
78:
79: /***********************************************************************************************************************************************************
80: * Binds a {@link ListView}.
81: * @param listView the {@code ListView}
82: * @param pm the {@link PresentationModel}
83: * @param callback an optional callback to invoke at the end of the binding
84: **********************************************************************************************************************************************************/
85: public void bind (@Nonnull final ListView<PresentationModel> listView, @Nonnull final PresentationModel pm, @Nonnull final Optional<Runnable> callback)
86: {
87: enforceFxApplicationThread();
88: listView.setCellFactory(cellFactory);
89: listView.setOnKeyPressed(event ->
90: {
91:• if (List.of(SPACE, ENTER).contains(event.getCode()))
92: {
93: final var selectedPm = listView.getSelectionModel().getSelectedItem();
94: // TODO: must call the default action - but should we look up it again?
95: // Otherwise emulate mouse double click on the cell
96: log.debug("ListView onKeyPressed: {}", selectedPm);
97:
98: executor.execute(() ->
99: {
100: // TODO: it would be nicer to retrieve the cell and its associated RoleCollector?
101: final var roles = new RoleCollector(selectedPm, List.of(_UserActionProvider_));
102: roles.getDefaultUserAction().ifPresent(UserAction::actionPerformed);
103: });
104: }
105: });
106:
107: final var selectedProperty = listView.getSelectionModel().selectedItemProperty();
108: selectedProperty.removeListener(changeListener);
109: listView.setItems(observableArrayList()); // quick clear in case of long operations FIXME doesn't work
110: JavaFXWorker.run(executor,
111: () -> childrenPm(pm),
112: items -> finalizeBinding(listView, items, selectedProperty, callback));
113: }
114:
115: /***********************************************************************************************************************************************************
116: * Finalizes binding in the JavaFX thread and eventually invokes a callback.
117: * @param listView the {@link ListView}
118: * @param items the items of the table
119: * @param selectedProperty the 'selected' property
120: * @param callback an optional callback to invoke at the end
121: **********************************************************************************************************************************************************/
122: private void finalizeBinding (@Nonnull final ListView<PresentationModel> listView,
123: @Nonnull final ObservableList<PresentationModel> items,
124: @Nonnull final ReadOnlyObjectProperty<PresentationModel> selectedProperty,
125: @Nonnull final Optional<Runnable> callback)
126: {
127: listView.setItems(items);
128: selectedProperty.addListener(changeListener);
129: callback.ifPresent(Runnable::run);
130: }
131: }