Add chapters 9-17 for the java book

1 files changed, 104 insertions, 0 deletions

diff --git a/Java-Kompendium/kap17/src/main/java/Hauptfenster.java b/Java-Kompendium/kap17/src/main/java/Hauptfenster.java
new file mode 100644
index 0000000..48839e5
--- /dev/null
+++ b/Java-Kompendium/kap17/src/main/java/Hauptfenster.java
@@ -0,0 +1,104 @@
+import java.sql.*;
+
+import javafx.application.Application;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.geometry.HPos;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.layout.GridPane;
+import javafx.scene.text.Font;
+import javafx.scene.text.FontWeight;
+import javafx.scene.text.Text;
+import javafx.stage.Stage;
+
+public class Hauptfenster extends Application {
+    @Override
+    public void start(Stage stage) throws SQLException {
+        String host = "jdbc:hsqldb:mem:mitarbeiter";
+
+        Connection verbindung = DriverManager.getConnection(host);
+        Statement befehl = verbindung.createStatement();
+        String SQL = """
+            CREATE TABLE Mitarbeiter (
+                persnr INTEGER Primary Key Not Null,
+                name VARCHAR(30),
+                vorname VARCHAR(30),
+                gehalt DECIMAL(9,2)
+            )
+        """;
+        befehl.executeUpdate(SQL);
+
+        GridPane grid = new GridPane();
+        grid.setAlignment(Pos.CENTER);
+        grid.setHgap(30);
+        grid.setVgap(50);
+        grid.setPadding(new Insets(20, 20, 20, 20));
+        stage.setTitle("Personalverwaltung");
+        Text titel = new Text("Wählen Sie eine Aktion aus:");
+        titel.setFont(Font.font("Arial", FontWeight.BOLD, 14));
+        grid.add(titel, 0, 0, 2, 1);
+
+        ButtonHinzufuegen btn1 = new ButtonHinzufuegen("Mitarbeiter hinzufügen");
+        grid.add(btn1, 0, 1);
+        btn1.setPrefSize(200, 50);
+
+        ButtonEntfernen btn2 = new ButtonEntfernen("Mitarbeiter entfernen");
+        grid.add(btn2, 1, 1);
+        btn2.setPrefSize(200, 50);
+
+        ButtonGehalt btn3 = new ButtonGehalt("Gehalt anpassen");
+        grid.add(btn3, 0, 2);
+        btn3.setPrefSize(200, 50);
+
+        ButtonAnzeigen btn4 = new ButtonAnzeigen("Personal anzeigen");
+        grid.add(btn4, 1, 2);
+        btn4.setPrefSize(200, 50);
+
+        Button btn5 = new Button("OK");
+        grid.add(btn5, 0, 3, 2, 1);
+        btn5.setPrefSize(100, 20);
+        GridPane.setHalignment(btn5, HPos.CENTER);
+
+        btn1.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent e) {
+                btn1.neuesFenster(stage);
+            }
+        });
+        btn2.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent e) {
+                btn2.neuesFenster(stage);
+            }
+        });
+        btn3.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent e) {
+                btn3.neuesFenster(stage);
+            }
+        });
+        btn4.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent e) {
+                btn4.neuesFenster(stage);
+            }
+        });
+        btn5.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent e) {
+                stage.close();
+            }
+        });
+
+        Scene scene = new Scene(grid, 600, 400);
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}