Use JavaFX 19 in demo

Author: pcastornii

README.md

@@ -192,7 +192,7 @@ hierarchical and non-cyclic.
 
 ## Requirements <a name="requirements"></a>
 
-Java 11+ and JavaFX 11+.
+Java 11+ and JavaFX 19.
 
 ## Dependencies <a name="dependencies"></a>
 

mvvm4fx-demo/pom.xml

@@ -15,8 +15,6 @@
 
     <properties>
         <maven.deploy.skip>true</maven.deploy.skip>
-        <!-- javafx 19 shows system notification in Ubuntu when closing -->
-        <javafx.version>24</javafx.version>
     </properties>
 
     <dependencies>
@@ -31,17 +29,14 @@
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-base</artifactId>
-            <version>${javafx.version}</version>
         </dependency>
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-graphics</artifactId>
-            <version>${javafx.version}</version>
         </dependency>
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-controls</artifactId>
-            <version>${javafx.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>

mvvm4fx-demo/src/main/java/com/techsenger/mvvm4fx/demo/PersonRegistryView.java

@@ -96,6 +96,7 @@ protected void addHandlers(PersonRegistryViewModel viewModel) {
             var dialog = dialogV.getDialog();
             dialog.initOwner(stage);
             dialog.initModality(Modality.WINDOW_MODAL);
+            // javafx 19 has a bug - it shows a system notification in Ubuntu when closing
             var result = dialog.showAndWait();
             viewModel.add(result);
             dialogV.deinitialize();