Samples: add icon and banner to sample application

chartfx-samples/src/main/java/io/fair_acc/sample/ChartFxSamplerProject.java

@@ -4,9 +4,12 @@
 
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
+import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
+import javafx.stage.Stage;
+import javafx.stage.Window;
 
 import org.scenicview.ScenicView;
 
@@ -46,7 +49,8 @@ public String getSampleBasePackage() {
     public WelcomePage getWelcomePage() {
         VBox vBox = new VBox();
         ImageView imgView = new ImageView();
-        // imgView.setStyle("-fx-image: url('org/controlsfx/samples/ControlsFX.png');");
+        imgView.setImage(new Image(ChartFxSamplerProject.class.getResourceAsStream("banner.png")));
+        // imgView.setStyle("-fx-image: url('banner.png');");
         StackPane pane = new StackPane();
         pane.setPrefHeight(207);
         // pane.setStyle("-fx-background-image: url('org/controlsfx/samples/bar.png');"
@@ -58,6 +62,17 @@ public WelcomePage getWelcomePage() {
         label.setStyle("-fx-font-size: 1.5em; -fx-padding: 20 0 0 5;");
         vBox.setStyle("-fx-padding: 5px; -fx-spacing: 5px");
 
+        // set window icon
+        vBox.sceneProperty().addListener(((obs, o, n) -> {
+            if (n != null) {
+                Window window = n.getWindow();
+                if (window instanceof Stage) {
+                    Stage stage = (Stage) window;
+                    stage.getIcons().add(new Image(ChartFxSamplerProject.class.getResourceAsStream("icon.png")));
+                }
+            }
+        }));
+
         var scenicView = new Button("Show ScenicView");
         scenicView.setOnAction(a -> ScenicView.show(scenicView.getScene()));