Ticket #18747: 18747.patch

.classpath

@@ -82 +82 @@
                         <accessrule kind="discouraged" pattern="javafx/scene/media/**"/>
                         <accessrule kind="discouraged" pattern="com/sun/javafx/application/PlatformImpl"/>
                         <accessrule kind="discouraged" pattern="javafx/util/Duration"/>
+                        <accessrule kind="discouraged" pattern="javafx/scene/**"/>
+                        <accessrule kind="discouraged" pattern="javafx/embed/swing/JFXPanel"/>
+                        <accessrule kind="discouraged" pattern="javafx/application/Platform"/>
                 </accessrules>
         </classpathentry>
         <classpathentry kind="lib" path="tools/pmd/commons-lang3-3.8.1.jar">

src/org/openstreetmap/josm/gui/JavaFXWrapper.java

@@ +1 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.gui;
+
+import javafx.application.Platform;
+import javafx.embed.swing.JFXPanel;
+import javafx.scene.Group;
+import javafx.scene.Node;
+import javafx.scene.Scene;
+
+/**
+ * This wrapper class wraps arbitrary JavaFX Nodes, so that they can easily be
+ * added to a Swing UI.
+ *
+ * @author Taylor Smock
+ * @param <T> Some class that extends {@link Node}
+ * @since xxx
+ */
+public class JavaFXWrapper<T extends Node> {
+  JFXPanel jfxPanel;
+  T node;
+
+  /**
+   * @param node The JavaFX node that will be returned later with
+   *             {@link JavaFXWrapper#getNode}.
+   */
+  public JavaFXWrapper(T node) {
+    jfxPanel = new JFXPanel();
+    this.node = node;
+    Platform.runLater(() -> initFX());
+  }
+
+  private void initFX() {
+    Scene scene = createScene();
+    jfxPanel.setScene(scene);
+  }
+
+  private Scene createScene() {
+    Group group = new Group();
+    Scene scene = new Scene(group);
+    group.getChildren().add(node);
+    return scene;
+  }
+
+  /**
+   * Get the JFXPanel to add to a Swing UI
+   *
+   * @return The JFXPanel
+   */
+  public JFXPanel getPanel() {
+    return jfxPanel;
+  }
+
+  /**
+   * Get the JavaFX {@link Node}
+   *
+   * @return The Node passed to the class during construction
+   */
+  public T getNode() {
+    return node;
+  }
+}