Added an error/success message while adding a new shift.

SchedulerApp/src/main/java/com/example/schedulerapp/Controller.java

@@ -70,6 +70,8 @@ public class Controller {
     ComboBox editEmployeeBox;
     @FXML
     CheckBox editEmployeeManager;
+    @FXML
+    Label addShiftError;
 
 
 
@@ -166,7 +168,7 @@ public class Controller {
         LocalDate date = addShiftDatePicker.getValue();
         System.out.println(date.toString());
 
-        model.addShift(model.getIDbyIndex(index),date.toString(),Integer.parseInt(startTime),Integer.parseInt(endTime));
+        addShiftError.setText(model.addShift(model.getIDbyIndex(index),date.toString(),Integer.parseInt(startTime),Integer.parseInt(endTime)));
         System.out.println(model.getIDbyIndex(index) + "20210101" + Integer.parseInt(startTime) + Integer.parseInt(endTime));
 
         //System.out.println(employee + startTime + endTime + date);

SchedulerApp/src/main/java/com/example/schedulerapp/Model.java

@@ -276,7 +276,7 @@ public class Model {
 
         writer.println("addShift/" + id + "/" + date + "/" + start + "/" + end + "/" + " ");
         notifySubscribers();
-        return "New shift added";
+        return "Shift added";
 
     }
 

SchedulerApp/src/main/resources/com/example/schedulerapp/addShiftPopup.fxml

@@ -37,6 +37,7 @@
             </HBox>
          </children>
       </HBox>
+      <Label fx:id="addShiftError" prefHeight="50.0" prefWidth="300.0" textAlignment="CENTER" />
       <Button fx:id="addShiftSubmitButton" mnemonicParsing="false" onMouseClicked="#addShiftSubmitClicked" text="Submit" />
    </children>
 </VBox>