app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/FXController.java

@@ -7,24 +7,23 @@ public abstract class FXController {
     FactoryDecorator factoryDecorator;
     FileIO fileIO;
     Pane pane;
+    IsObserver listener;
+
+    public FXController(){
+        listener = new IsObserver() {
+            @Override
+            public void update() {
+                loadContent();
+            }
+        };
+    }
 
     public void setup(TournamentDecorator tournamentDecorator, FileIO fileIO, FactoryDecorator factoryDecorator, Pane pane){
         this.tournamentDecorator = tournamentDecorator;
         this.fileIO = fileIO;
         this.factoryDecorator = factoryDecorator;
         this.pane = pane;
-        tournamentDecorator.addListener(new IsObserver() {
-            @Override
-            public void update() {
-                loadContent();
-            }
-        });
-        factoryDecorator.addListener(new IsObserver() {
-            @Override
-            public void update() {
-                loadContent();
-            }
-        });
+        addListener();
     }
 
     public abstract void loadContent();
@@ -33,6 +32,16 @@ public abstract class FXController {
         this.tournamentDecorator = tournamentDecorator;
     }
 
+    public void addListener(){
+        tournamentDecorator.addListener(listener);
+        factoryDecorator.addListener(listener);
+    }
+
+    protected void removeListener(){
+        tournamentDecorator.removeListener(listener);
+        factoryDecorator.removeListener(listener);
+    }
+
     protected TournamentDecorator getTournamentDecorator() {
         return tournamentDecorator;
     }

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/gameScheduleView/GameDecorator.java

@@ -55,6 +55,7 @@ public class GameDecorator implements IsObservable{
 
     public void refreshParticipants(){
         game.refreshParticipants();
+        informListener();
     }
 
     public Place getPlace() {

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/gameScheduleView/GameScheduleController.java

@@ -18,6 +18,9 @@ public class GameScheduleController extends FXController {
     @FXML
     private Button editParticipantBtn;
 
+    @FXML
+    private Button closeTournamentBtn;
+
     @FXML
     private HBox hBoxCenter;
 
@@ -33,14 +36,22 @@ public class GameScheduleController extends FXController {
 
     @FXML
     void openPlacesFormular(ActionEvent event) {
+        removeListener();
         getFactoryDecorator().openPlacesFormular();
     }
 
     @FXML
     void openParticipantFormular(ActionEvent event) {
+        removeListener();
         getFactoryDecorator().openParticipantFormular();
     }
 
+    @FXML
+    void closeTournament(ActionEvent event) {
+        removeListener();
+        getFactoryDecorator().openTournamentList();
+    }
+
     @Override
     public void loadContent() {
         getFactoryDecorator().loadGameTree(hBoxCenter, getTournamentDecorator());

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/participantAddFormular/ParticipantFormularController.java

@@ -89,6 +89,7 @@ public class ParticipantFormularController extends FXController {
 
     @FXML
     void close(ActionEvent event) {
+        removeListener();
         getFactoryDecorator().openScheduleView();
     }
 

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/placesAddFormular/PlacesFormularController.java

@@ -68,6 +68,7 @@ public class PlacesFormularController extends FXController {
 
     @FXML
     void close(ActionEvent event) {
+        removeListener();
         getFactoryDecorator().openScheduleView();
     }
 

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/tournamentList/TournamentListController.java

@@ -61,6 +61,7 @@ public class TournamentListController extends FXController {
 
     @FXML
     void openTournament(ActionEvent event) {
+        removeListener();
         FileIO.TournamentFile tournamentFile = tournamentListView.getSelectionModel().getSelectedItems().get(0);
         getFactoryDecorator().openTournament(tournamentFile);
     }

app/src/main/resources/ch/zhaw/projekt2/turnierverwaltung/gameScheduleView/GameSchedule.fxml

@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.geometry.Insets?>
-<?import javafx.scene.control.Button?>
-<?import javafx.scene.layout.BorderPane?>
-<?import javafx.scene.layout.HBox?>
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
 
-<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/18" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.projekt2.turnierverwaltung.main.gameScheduleView.GameScheduleController">
+<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/11.0.2" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.projekt2.turnierverwaltung.main.gameScheduleView.GameScheduleController">
    <top>
       <HBox alignment="TOP_RIGHT" prefHeight="100.0" prefWidth="200.0" BorderPane.alignment="CENTER">
          <children>
@@ -24,6 +23,7 @@
                   <Insets right="40.0" />
                </HBox.margin>
             </Button>
+            <Button fx:id="closeTournamentBtn" layoutX="470.0" layoutY="10.0" mnemonicParsing="false" onAction="#closeTournament" text="Close Tournament" />
          </children>
       </HBox>
    </top>