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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.common;
27  
28  import jakarta.annotation.Nonnull;
29  import java.util.concurrent.Callable;
30  import java.util.concurrent.Executor;
31  import javafx.scene.effect.BoxBlur;
32  import javafx.stage.Window;
33  import lombok.RequiredArgsConstructor;
34  import lombok.Setter;
35  
36  /***************************************************************************************************************************************************************
37   *
38   * @author  Fabrizio Giudici
39   *
40   **************************************************************************************************************************************************************/
41  @RequiredArgsConstructor
42  public abstract class DelegateSupport
43    {
44      @Nonnull
45      protected final Executor executor;
46  
47      @Setter
48      protected Window mainWindow;
49  
50      /***********************************************************************************************************************************************************
51       * Runs the given (@link Callable} while disabling the given {@link Window}.
52       *
53       * @param  window    the {@code Window} to disable
54       * @param  callable  the (@code Callable} to run
55       * @return           the (@code Callable} result
56       **********************************************************************************************************************************************************/
57      protected <T> T runWhileDisabling (@Nonnull final Window window, @Nonnull final Callable<T> callable)
58        {
59          final var root = window.getScene().getRoot();
60          final var effect = root.getEffect();
61          final var disabled = root.isDisable();
62  
63          try
64            {
65              root.setDisable(true);
66              root.setEffect(createDisablingEffect());
67              return callable.call();
68            }
69          catch (Exception e)
70            {
71              throw new RuntimeException(e);
72            }
73          finally
74            {
75              root.setEffect(effect);
76              root.setDisable(disabled);
77            }
78        }
79  
80      /***********************************************************************************************************************************************************
81       * TODO: delegate to a provider
82       **********************************************************************************************************************************************************/
83      @Nonnull
84      private BoxBlur createDisablingEffect()
85        {
86          final var bb = new BoxBlur();
87          bb.setWidth(5);
88          bb.setHeight(5);
89          bb.setIterations(3);
90          return bb;
91        }
92  
93      /***********************************************************************************************************************************************************
94       * TODO: delegate to a provider
95       **********************************************************************************************************************************************************/
96      public static boolean isOSX()
97        {
98          return System.getProperty("os.name").contains("OS X");
99        }
100   }