aus main stuff kopiert

src/main/java/com/bib/essensbestellungsverwaltung/LoginController.java

@@ -1,4 +1,3 @@
-/*Reshad Meher*/
 package com.bib.essensbestellungsverwaltung;
 
 import javafx.fxml.FXML;
@@ -15,6 +14,7 @@ import java.util.HashMap;
 public class LoginController {
     @FXML
     private TextField tfEmail;
+
     @FXML
     private PasswordField pfPassword;
 
@@ -25,20 +25,18 @@ public class LoginController {
         String email = tfEmail.getText();
         String password = pfPassword.getText();
         if(benutzerMap.containsKey(email) && benutzerMap.containsValue(password)){
-            FXMLLoader fxmlLoader = new FXMLLoader(StartViewApplication.class.getResource("menue-view.fxml"));
-            Scene scene = new Scene(fxmlLoader.load(), 950,480);
-            HelloApplication.primary.setScene(scene);
+            // if user is worker: StartViewApplication.changeScene("workerMenu-view.fxml");
+            StartViewApplication.changeScene("parentMenu-view.fxml");
         }else {
             Alert alert = new Alert(Alert.AlertType.ERROR,"Email oder Passwort ist falsch");
             alert.showAndWait();
         }
+
         tfEmail.setText("");
         pfPassword.setText("");
     }
     @FXML
     protected void changeToSignUp() throws IOException {
-        FXMLLoader fxmlLoader = new FXMLLoader(StartViewApplication.class.getResource("signUp-view.fxml"));
-        Scene scene = new Scene(fxmlLoader.load(), 950,480);
-        HelloApplication.primary.setScene(scene);
+        StartViewApplication.changeScene("signUp-view.fxml");
     }
 }