First UI version

src/main/java/org/openjfx/App.java

@@ -0,0 +1,86 @@
+package org.openjfx;
+
+import javafx.application.Application;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.Scene;
+import javafx.scene.control.*;
+import javafx.scene.layout.HBox;
+import javafx.stage.Stage;
+
+
+/**
+ * JavaFX App
+ */
+public class App extends Application {
+
+    @Override
+    public void start(Stage stage) {
+
+
+        Button add_player = new Button("Add player");
+        Button show_youngest = new Button("Show youngest");
+        Label name_label = new Label("Name");
+        TextField input_name = new TextField();
+        Label age_label = new Label("Age");
+        TextField input_age = new TextField();
+
+        ChoiceBox player_type = new ChoiceBox();
+        player_type.getItems().addAll("Defender", "Forward", "Goalie");
+
+        ListView listView = new ListView();
+
+        listView.getItems().add("Item 1");
+        listView.getItems().add("Item 2");
+        listView.getItems().add("Item 3");
+
+        HBox hbox = new HBox();
+        hbox.setSpacing(10);
+
+        hbox.getChildren().add(listView);
+        hbox.getChildren().add(name_label);
+        hbox.getChildren().add(input_name);
+        hbox.getChildren().add(age_label);
+        hbox.getChildren().add(input_age);
+        hbox.getChildren().add(player_type);
+
+
+        hbox.getChildren().add(add_player);
+        hbox.getChildren().add(show_youngest);
+
+        add_player.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent event) {
+                //logger.info("OnAction {}", event);
+                listView.getItems().add("Item 3");
+            }
+        });
+
+        show_youngest.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent event) {
+                //logger.info("OnAction {}", event);
+                Alert alert = new Alert(Alert.AlertType.INFORMATION);
+                alert.setTitle("Message Here...");
+                alert.setHeaderText("Look, an Information Dialog");
+                alert.setContentText("I have a great message for you!");
+                alert.showAndWait().ifPresent(rs -> {
+                    if (rs == ButtonType.OK) {
+                        System.out.println("Pressed OK.");
+                    }
+                });
+            }
+        });
+
+        var scene = new Scene(hbox, 1024, 480);
+
+
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+
+}