added file load functionality

src/coursework/Main.java

 package coursework;
 
 import java.io.BufferedReader;
+import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
@@ -31,18 +32,21 @@ import javafx.scene.shape.MoveTo;
 import javafx.scene.shape.Path;
 import javafx.scene.shape.Rectangle;
 import javafx.scene.shape.VLineTo;
+import javafx.stage.FileChooser;
 import javafx.stage.Stage;
 
 public class Main extends Application {
 	
 	final static public int N = 6;
 	
+	private Scene scene;
+	private Stage stage;
+	
 	final private double GRID_PERCENTAGE = 0.75;
 	private static Square[][] gridSquares = new Square[N][N];
 	private TextField[] gridNumbers = new TextField[N*N];
 	private static Label[][] cageLabels = new Label[N*N][2];
 	private Rectangle gridOutline;
-	Scene scene;
 	private boolean isWider;
 	private HBox previous = null;
 	
@@ -111,6 +115,7 @@ public class Main extends Application {
 		square.setBottomStroke(3, Color.BLACK);
 		square.setLeftStroke(3, Color.BLACK);
 		square.setRightStroke(3, Color.BLACK);
+		square.resizeLines(size);
 		return square;
 	}
 	
@@ -137,14 +142,18 @@ public class Main extends Application {
 		
 		topHBox.getChildren().addAll(loadGameFileButton, showMistakesButton, loadGameTextInputButton);
 		
-		final String PATH = "C:\\Java Eclipse Workspace\\Programming II Coursework\\mathdokuCage.txt";
 		loadGameFileButton.setOnAction(e -> {
 			try {
-				BufferedReader file = new BufferedReader(new FileReader(PATH));
+				FileChooser fileChooser = new FileChooser();
+				fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("Text Files", "*.txt"));
+				File selectedFile = fileChooser.showOpenDialog(stage);
+				BufferedReader file = new BufferedReader(new FileReader(selectedFile));
+				
 				String line;
 				while ((line = file.readLine()) != null) {
-					System.out.println(line);
+					createNewCage(line);
 				}
+				file.close();
 			} catch (FileNotFoundException e1) {
 				e1.printStackTrace();
 			} catch (IOException e2) {
@@ -155,6 +164,24 @@ public class Main extends Application {
 		return topHBox;
 	}
 	
+	private void createNewCage(String line) {
+		String[] splitLine = line.split(" ");
+		String[] shiftedIds = splitLine[1].split(",");
+		int[] ids = new int[shiftedIds.length];
+		for (int i = 0; i < shiftedIds.length; i++) {
+			ids[i] = Integer.parseInt(shiftedIds[i]) - 1;
+		}
+		
+		if (splitLine[0].contains("÷")) {
+			splitLine[0] = splitLine[0].replace("÷", "");
+		}
+		
+		int value = Integer.parseInt(splitLine[0].substring(0, splitLine[0].length()- 1));
+		String operator = splitLine[0].substring(splitLine[0].length() - 1);
+		
+		new Cage(ids, value, operator);
+	}
+	
 	private HBox setupBottomHBox() {
 		HBox bottomHBox = new HBox();
 		bottomHBox.setSpacing(10);
@@ -207,25 +234,6 @@ public class Main extends Application {
 		});
 	}
 	
-	private void setupCages() {
-		new Cage(new int[] {0,6},11,"+");
-		new Cage(new int[] {1,2},2,"");
-		new Cage(new int[] {3,9},20,"x");
-		new Cage(new int[] {7,8},3,"-");
-		new Cage(new int[] {4,5,11,17},6,"x");
-		new Cage(new int[] {10, 16},3,"");
-		new Cage(new int[] {12,13,18,19},240,"x");
-		new Cage(new int[] {14,15},6,"x");
-		new Cage(new int[] {24,25},6,"x");
-		new Cage(new int[] {20,26},6,"x");
-		new Cage(new int[] {21,27,28},7,"+");
-		new Cage(new int[] {22,23},30,"x");
-		new Cage(new int[] {30,31,32},8,"+");
-		new Cage(new int[] {33,34},2,"");
-		new Cage(new int[] {29,35},9,"+");
-		
-	}
-	
 	public void resizeGrid(double gridX, double gridY, double gridWidth) {
 		double newValue = isWider ? scene.getHeight() : scene.getWidth();
 		for (int i = 0; i < N; i++) {
@@ -258,8 +266,6 @@ public class Main extends Application {
 		
 		GridPane gridPane = setupGrid();
 		
-		setupCages();
-		
 		HBox topHBox = setupTopHBox();
 		HBox bottomHBox = setupBottomHBox();
 		

src/coursework/Square.java

@@ -40,7 +40,8 @@ public class Square {
 	}
 	
 	public void resizeLines(double newSize) {
-		top.setEndX(newSize);
+		top.setEndX(newSize );
+		
 		right.setStartX(newSize);
 		right.setEndX(newSize);
 		right.setEndY(newSize);
@@ -48,6 +49,7 @@ public class Square {
 		bottom.setStartX(newSize);
 		bottom.setStartY(newSize);
 		bottom.setEndY(newSize);
+
 		left.setStartY(newSize);
 	}