From c95abc31d62e296db4f1b537e3de440dd40defd1 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sun, 7 Dec 2025 12:22:07 +0100
Subject: Finish Java Kompendium book

---
 .../kap23/1/src/main/java/Hauptfenster.java        | 54 ++++++++++++++++++++++
 .../kap23/1/src/main/java/SelectionHandler.java    | 23 +++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 Java-Kompendium/kap23/1/src/main/java/Hauptfenster.java
 create mode 100644 Java-Kompendium/kap23/1/src/main/java/SelectionHandler.java

(limited to 'Java-Kompendium/kap23/1/src/main/java')

diff --git a/Java-Kompendium/kap23/1/src/main/java/Hauptfenster.java b/Java-Kompendium/kap23/1/src/main/java/Hauptfenster.java
new file mode 100644
index 0000000..0639f4f
--- /dev/null
+++ b/Java-Kompendium/kap23/1/src/main/java/Hauptfenster.java
@@ -0,0 +1,54 @@
+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.geometry.Orientation;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.CheckBox;
+import javafx.scene.control.MenuButton;
+import javafx.scene.control.MenuItem;
+import javafx.scene.layout.FlowPane;
+import javafx.scene.text.FontWeight;
+import javafx.stage.Stage;
+
+public class Hauptfenster extends Application {
+    @Override
+    public void start(Stage stage) {
+        FlowPane grid = new FlowPane();
+        grid.setAlignment(Pos.CENTER);
+        grid.setHgap(30);
+        grid.setVgap(50);
+        grid.setPadding(new Insets(20, 20, 20, 20));
+        grid.setOrientation(Orientation.VERTICAL);
+
+        MenuButton menuButton = new MenuButton("Auswahlmöglichkeiten");
+        grid.getChildren().add(menuButton);
+
+        CheckBox btn5 = new CheckBox("OK");
+        grid.getChildren().add(btn5);
+
+        MenuItem btn1 = new MenuItem("Mitarbeiter hinzufügen");
+        btn1.setOnAction(new SelectionHandler(stage, btn5));
+        menuButton.getItems().add(btn1);
+
+        MenuItem btn2 = new MenuItem("Mitarbeiter entfernen");
+        btn2.setOnAction(new SelectionHandler(stage, btn5));
+        menuButton.getItems().add(btn2);
+
+        MenuItem btn3 = new MenuItem("Gehalt anpassen");
+        btn3.setOnAction(new SelectionHandler(stage, btn5));
+        menuButton.getItems().add(btn3);
+
+        MenuItem btn4 = new MenuItem("Personal anzeigen");
+        btn4.setOnAction(new SelectionHandler(stage, btn5));
+        menuButton.getItems().add(btn4);
+
+        Scene scene = new Scene(grid, 600, 400);
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}
diff --git a/Java-Kompendium/kap23/1/src/main/java/SelectionHandler.java b/Java-Kompendium/kap23/1/src/main/java/SelectionHandler.java
new file mode 100644
index 0000000..52dbccb
--- /dev/null
+++ b/Java-Kompendium/kap23/1/src/main/java/SelectionHandler.java
@@ -0,0 +1,23 @@
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.CheckBox;
+import javafx.stage.Stage;
+
+public final class SelectionHandler implements EventHandler<ActionEvent> {
+
+    private Stage stage;
+
+    private CheckBox checkBox;
+
+    public SelectionHandler(Stage stage, CheckBox checkBox) {
+        this.stage = stage;
+        this.checkBox = checkBox;
+    }
+
+    @Override
+    public void handle(ActionEvent e) {
+        if (this.checkBox.isSelected()) {
+            this.stage.close();
+        }
+    }
+}
-- 
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