PropertyWrapper.java

  1. /*
  2.  * *********************************************************************************************************************
  3.  *
  4.  * blueMarine II: Semantic Media Centre
  5.  * http://tidalwave.it/projects/bluemarine2
  6.  *
  7.  * Copyright (C) 2015 - 2021 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/bluemarine2-src
  23.  * git clone https://github.com/tidalwave-it/bluemarine2-src
  24.  *
  25.  * *********************************************************************************************************************
  26.  */
  27. package it.tidalwave.util;

  28. import javax.annotation.Nonnull;
  29. import javafx.beans.property.BooleanProperty;
  30. import javafx.beans.property.SimpleBooleanProperty;
  31. import it.tidalwave.role.ui.BoundProperty;

  32. /***********************************************************************************************************************
  33.  *
  34.  * @author  Fabrizio Giudici
  35.  *
  36.  **********************************************************************************************************************/
  37. public class PropertyWrapper
  38.   {
  39.     /*******************************************************************************************************************
  40.      *
  41.      * Returns a JavaFX wrapping property which is kept in sync with the given {@link BoundProperty}.
  42.      * FIXME: this is temporary until we fix the JavaFX property issue: either they are supported by UserAction or
  43.      * everything is replaced by BoundProperty.
  44.      * FIXME: this is for sure prone to leaks, as listeners are not weak.
  45.      *
  46.      ******************************************************************************************************************/
  47.     @Nonnull
  48.     public static BooleanProperty wrap (@Nonnull final BoundProperty<Boolean> property)
  49.       {
  50.         final BooleanProperty jfxProperty = new SimpleBooleanProperty(property.get());
  51.         property.addPropertyChangeListener(event ->
  52.            {
  53.              if (!jfxProperty.isBound()) jfxProperty.setValue((Boolean)event.getNewValue());
  54.            });
  55.         jfxProperty.addListener((observable, oldValue, newValue) -> property.set(newValue));
  56.         return jfxProperty;
  57.       }
  58.   }