Disabled scale buttons once one has been clicked

#story[760]

src/main/java/seng302/Controllers/StartController.java

@@ -5,6 +5,7 @@ import javafx.application.Platform;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
+import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
@@ -36,6 +37,10 @@ public class StartController extends Controller {
     @FXML private Label timer;
     @FXML private int PRERACE_TIME = 15000;
 
+    @FXML Button oneMinButton;
+    @FXML Button fiveMinButton;
+    @FXML Button fifteenMinButton;
+
     private RaceClock raceClock;
 
     /**
@@ -60,6 +65,10 @@ public class StartController extends Controller {
     }
 
     private void startRace(int raceScale){
+
+        oneMinButton.setDisable(true);
+        fiveMinButton.setDisable(true);
+        fifteenMinButton.setDisable(true);
         countdownTimer(raceScale);
     }
 

src/main/resources/scenes/start.fxml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import java.lang.*?>
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.*?>
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.Label?>
@@ -12,7 +17,7 @@
 <?import javafx.scene.text.Font?>
 <?import javafx.scene.text.Text?>
 
-<AnchorPane fx:id="startWrapper" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.Controllers.StartController">
+<AnchorPane fx:id="startWrapper" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.Controllers.StartController">
    <children>
       <GridPane fx:id="start" prefHeight="600.0" prefWidth="780.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
           <columnConstraints>
@@ -36,13 +41,13 @@
                       <Font size="36.0" />
                   </font>
               </Text>
-              <Button maxWidth="-Infinity" minWidth="-Infinity" mnemonicParsing="false" onAction="#startRace1Min" prefWidth="100.0" text="1 Minute" GridPane.columnIndex="1" GridPane.halignment="RIGHT" GridPane.rowIndex="4">
+              <Button fx:id="oneMinButton" maxWidth="-Infinity" minWidth="-Infinity" mnemonicParsing="false" onAction="#startRace1Min" prefWidth="100.0" text="1 Minute" GridPane.columnIndex="1" GridPane.halignment="RIGHT" GridPane.rowIndex="4">
                <GridPane.margin>
                   <Insets />
                </GridPane.margin>
             </Button>
-              <Button maxWidth="-Infinity" minWidth="-Infinity" mnemonicParsing="false" onAction="#startRaceNoScaling" prefWidth="100.0" text="15 Minutes" GridPane.columnIndex="3" GridPane.halignment="LEFT" GridPane.rowIndex="4" />
+              <Button fx:id="fifteenMinButton" maxWidth="-Infinity" minWidth="-Infinity" mnemonicParsing="false" onAction="#startRaceNoScaling" prefWidth="100.0" text="15 Minutes" GridPane.columnIndex="3" GridPane.halignment="LEFT" GridPane.rowIndex="4" />
-              <Button maxWidth="-Infinity" minWidth="-Infinity" mnemonicParsing="false" onAction="#startRace5Min" prefWidth="100.0" text="5 Minutes" GridPane.columnIndex="2" GridPane.halignment="CENTER" GridPane.rowIndex="4" />
+              <Button fx:id="fiveMinButton" maxWidth="-Infinity" minWidth="-Infinity" mnemonicParsing="false" onAction="#startRace5Min" prefWidth="100.0" text="5 Minutes" GridPane.columnIndex="2" GridPane.halignment="CENTER" GridPane.rowIndex="4" />
             <Label text="Select Race Duration:" GridPane.columnIndex="2" GridPane.halignment="CENTER" GridPane.rowIndex="3" />
             <TableView fx:id="boatNameTable" prefHeight="200.0" prefWidth="200.0" GridPane.columnIndex="1" GridPane.columnSpan="3" GridPane.rowIndex="1">
               <columns>