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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.dialog;
27  
28  import jakarta.annotation.Nonnull;
29  import java.util.Optional;
30  import java.util.concurrent.Executor;
31  import java.io.IOException;
32  import java.net.URI;
33  import java.net.URISyntaxException;
34  import java.awt.Desktop;
35  import javafx.beans.value.ChangeListener;
36  import javafx.beans.value.ObservableValue;
37  import javafx.scene.Node;
38  import javafx.scene.control.Alert;
39  import javafx.scene.control.ButtonType;
40  import javafx.scene.control.Dialog;
41  import javafx.scene.control.Label;
42  import javafx.scene.paint.Color;
43  import javafx.scene.web.WebView;
44  import javafx.application.Platform;
45  import it.tidalwave.util.BundleUtilities;
46  import it.tidalwave.util.Callback;
47  import it.tidalwave.ui.core.UserNotificationWithFeedback;
48  import it.tidalwave.ui.javafx.impl.common.DelegateSupport;
49  import lombok.RequiredArgsConstructor;
50  import lombok.SneakyThrows;
51  import lombok.extern.slf4j.Slf4j;
52  
53  /***************************************************************************************************************************************************************
54   *
55   * @author  Fabrizio Giudici
56   *
57   **************************************************************************************************************************************************************/
58  @Slf4j
59  public class DialogBindings extends DelegateSupport
60    {
61      @RequiredArgsConstructor
62      static class UrlOpener implements ChangeListener<String>
63        {
64          @Nonnull
65          private final WebView webView;
66  
67          @Nonnull
68          private final String text;
69  
70          @Override
71          public void changed (final ObservableValue<? extends String> observableValue, final String oldValue, final String newValue)
72            {
73              if (newValue != null && !newValue.isEmpty())
74                {
75                  Platform.runLater(() ->
76                    {
77                      try
78                        {
79                          log.debug("Opening {} ...", newValue);
80                          Desktop.getDesktop().browse(new URI(newValue));
81                        }
82                      catch (IOException | URISyntaxException e)
83                        {
84                          log.warn("", e);
85                        }
86                    });
87  
88                  webView.getEngine().loadContent(text);
89                }
90            }
91        }
92  
93      /***********************************************************************************************************************************************************
94       *
95       **********************************************************************************************************************************************************/
96      public DialogBindings (@Nonnull final Executor executor)
97        {
98          super(executor);
99        }
100 
101     /***********************************************************************************************************************************************************
102      * {@inheritDoc}
103      **********************************************************************************************************************************************************/
104     public void showInModalDialog (@Nonnull final UserNotificationWithFeedback notification,
105                                    @Nonnull final Optional<Node> node)
106       {
107         // FIXME: should not be needed
108         Platform.runLater(() ->
109           {
110             log.debug("modalDialog({}, {})", node, notification);
111 
112 //                final Dialog<ButtonType> dialog = new Dialog<>();
113             final Dialog<ButtonType> dialog = new Alert(Alert.AlertType.NONE);
114             dialog.initOwner(mainWindow);
115             dialog.setTitle(notification.getCaption());
116             dialog.setResizable(false);
117             final var dialogPane = dialog.getDialogPane();
118             final var text = notification.getText();
119 
120             if (!text.startsWith("<html>"))
121               {
122                 dialog.setContentText(text);
123                 node.ifPresent(n -> dialogPane.setContent(n));
124               }
125             else
126               {
127                 final var webView = new WebView();
128                 webView.setPrefSize(600, 300); // FIXME: proportional to screen
129                 webView.setContextMenuEnabled(false);
130                 final var label = new Label();
131                 dialogPane.setContent(label);
132                 final var fontFamily = label.getFont().getFamily();
133                 // System.err.println("FILL " + label.getTextFill());
134                 final var textColor = "white"; // FIXME
135                 var backgroundColor = "#252525"; // FIXME
136 
137                 try
138                   {
139                     // Available in JDK 18+
140                     final var setPageFill = webView.getClass().getDeclaredMethod("setPageFill", Color.class);
141                     setPageFill.invoke(webView, Color.TRANSPARENT);
142                     backgroundColor = "transparent";
143                   }
144                 catch (Exception e)
145                   {
146                     log.trace("WebView.setPageFill() not available", e);
147                   }
148 
149                 // FIXME
150                 final var text2 = BundleUtilities.getMessage(getClass(),"htmlTemplate", text, textColor, backgroundColor, fontFamily);
151                 // System.err.println(text2);
152                 webView.getEngine().loadContent(text2);
153                 webView.getEngine().locationProperty().addListener(new UrlOpener(webView, text2));
154                 dialogPane.setContent(webView);
155               }
156 
157             final var feedback = notification.getFeedback();
158             final var hasOnCancel = feedback.canCancel();
159 
160             final var buttonTypes = dialogPane.getButtonTypes();
161             buttonTypes.clear();
162             buttonTypes.add(ButtonType.OK);
163 
164             if (hasOnCancel)
165               {
166                 buttonTypes.add(ButtonType.CANCEL);
167               }
168 
169 //                okButton.disableProperty().bind(new PropertyAdapter<>(valid)); // FIXME: doesn't work
170 
171             final var result = dialog.showAndWait();
172 
173             if (result.isEmpty())
174               {
175                 if (hasOnCancel)
176                   {
177                     wrap(notification::cancel);
178                   }
179                 else
180                   {
181                     wrap(notification::confirm);
182                   }
183               }
184             else
185               {
186                 if (result.get() == ButtonType.OK)
187                   {
188                     wrap(notification::confirm);
189                   }
190                 else if (result.get() == ButtonType.CANCEL)
191                   {
192                     wrap(notification::cancel);
193                   }
194                 else
195                   {
196                     throw new IllegalStateException("Unexpected button pressed: " + result.get());
197                   }
198               }
199           });
200       }
201 
202     /***********************************************************************************************************************************************************
203      *
204      **********************************************************************************************************************************************************/
205     @SneakyThrows(Throwable.class)
206     private static void wrap (@Nonnull final Callback callback)
207       {
208         callback.call();
209       }
210   }