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modules/base/src/main/java/javafx/beans/property/ReadOnlyDoubleWrapper.java

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rev 9213 : 8089557: bindBidirection works for ReadOnly*Wrapper incorrectly


   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javafx.beans.property;
  27 
  28 import javafx.beans.InvalidationListener;
  29 import javafx.beans.value.ChangeListener;
  30 
  31 /**
  32  * This class provides a convenient class to define read-only properties. It
  33  * creates two properties that are synchronized. One property is read-only
  34  * and can be passed to external users. The other property is read- and
  35  * writable and should be used internally only.
  36  * 
  37  * @since JavaFX 2.0
  38  */
  39 public class ReadOnlyDoubleWrapper extends SimpleDoubleProperty {
  40 
  41     private ReadOnlyPropertyImpl readOnlyProperty;
  42 
  43     /**
  44      * The constructor of {@code ReadOnlyDoubleWrapper}
  45      */
  46     public ReadOnlyDoubleWrapper() {
  47     }
  48 
  49     /**
  50      * The constructor of {@code ReadOnlyDoubleWrapper}


  83         super(bean, name, initialValue);
  84     }
  85 
  86     /**
  87      * Returns the read-only property, that is synchronized with this
  88      * {@code ReadOnlyDoubleWrapper}.
  89      * 
  90      * @return the read-only property
  91      */
  92     public ReadOnlyDoubleProperty getReadOnlyProperty() {
  93         if (readOnlyProperty == null) {
  94             readOnlyProperty = new ReadOnlyPropertyImpl();
  95         }
  96         return readOnlyProperty;
  97     }
  98 
  99     /**
 100      * {@inheritDoc}
 101      */
 102     @Override
 103     public void addListener(InvalidationListener listener) {
 104         getReadOnlyProperty().addListener(listener);
 105     }
 106 
 107     /**
 108      * {@inheritDoc}
 109      */
 110     @Override
 111     public void removeListener(InvalidationListener listener) {
 112         if (readOnlyProperty != null) {
 113             readOnlyProperty.removeListener(listener);
 114         }
 115     }
 116 
 117     /**
 118      * {@inheritDoc}
 119      */
 120     @Override
 121     public void addListener(ChangeListener<? super Number> listener) {
 122         getReadOnlyProperty().addListener(listener);
 123     }
 124 
 125     /**
 126      * {@inheritDoc}
 127      */
 128     @Override
 129     public void removeListener(ChangeListener<? super Number> listener) {
 130         if (readOnlyProperty != null) {
 131             readOnlyProperty.removeListener(listener);
 132         }
 133     }
 134 
 135     /**
 136      * {@inheritDoc}
 137      */
 138     @Override
 139     protected void fireValueChangedEvent() {

 140         if (readOnlyProperty != null) {
 141             readOnlyProperty.fireValueChangedEvent();
 142         }
 143     }
 144 
 145     private class ReadOnlyPropertyImpl extends ReadOnlyDoublePropertyBase {
 146 
 147         @Override
 148         public double get() {
 149             return ReadOnlyDoubleWrapper.this.get();
 150         }
 151 
 152         @Override
 153         public Object getBean() {
 154             return ReadOnlyDoubleWrapper.this.getBean();
 155         }
 156 
 157         @Override
 158         public String getName() {
 159             return ReadOnlyDoubleWrapper.this.getName();


   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javafx.beans.property;
  27 



  28 /**
  29  * This class provides a convenient class to define read-only properties. It
  30  * creates two properties that are synchronized. One property is read-only
  31  * and can be passed to external users. The other property is read- and
  32  * writable and should be used internally only.
  33  * 
  34  * @since JavaFX 2.0
  35  */
  36 public class ReadOnlyDoubleWrapper extends SimpleDoubleProperty {
  37 
  38     private ReadOnlyPropertyImpl readOnlyProperty;
  39 
  40     /**
  41      * The constructor of {@code ReadOnlyDoubleWrapper}
  42      */
  43     public ReadOnlyDoubleWrapper() {
  44     }
  45 
  46     /**
  47      * The constructor of {@code ReadOnlyDoubleWrapper}


  80         super(bean, name, initialValue);
  81     }
  82 
  83     /**
  84      * Returns the read-only property, that is synchronized with this
  85      * {@code ReadOnlyDoubleWrapper}.
  86      * 
  87      * @return the read-only property
  88      */
  89     public ReadOnlyDoubleProperty getReadOnlyProperty() {
  90         if (readOnlyProperty == null) {
  91             readOnlyProperty = new ReadOnlyPropertyImpl();
  92         }
  93         return readOnlyProperty;
  94     }
  95 
  96     /**
  97      * {@inheritDoc}
  98      */
  99     @Override




































 100     protected void fireValueChangedEvent() {
 101         super.fireValueChangedEvent();
 102         if (readOnlyProperty != null) {
 103             readOnlyProperty.fireValueChangedEvent();
 104         }
 105     }
 106 
 107     private class ReadOnlyPropertyImpl extends ReadOnlyDoublePropertyBase {
 108 
 109         @Override
 110         public double get() {
 111             return ReadOnlyDoubleWrapper.this.get();
 112         }
 113 
 114         @Override
 115         public Object getBean() {
 116             return ReadOnlyDoubleWrapper.this.getBean();
 117         }
 118 
 119         @Override
 120         public String getName() {
 121             return ReadOnlyDoubleWrapper.this.getName();
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