Add "Write to File"-button functionality.

src/main/java/edu/ntnu/stud/chaosgame/controller/game/ChaosGameDescription.java

@@ -68,4 +68,6 @@ public class ChaosGameDescription {
     public Vector2D getMaxCoords(){
         return maxCoords;
     }
+
+
 }

src/main/java/edu/ntnu/stud/chaosgame/controller/game/GuiButtonController.java

@@ -6,10 +6,15 @@ import edu.ntnu.stud.chaosgame.view.ChaosGameGui;
 import javafx.animation.KeyFrame;
 import javafx.animation.Timeline;
 import javafx.application.Platform;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
 import javafx.scene.canvas.GraphicsContext;
 import javafx.scene.image.WritableImage;
 import javafx.util.Duration;
+import javafx.stage.FileChooser;
 
+import java.io.File;
+import java.io.IOException;
 import java.util.Objects;
 
 public class GuiButtonController {
@@ -18,6 +23,7 @@ public class GuiButtonController {
     private Timeline timeline;
     private ChaosCanvas chaosCanvas;
     private ChaosGameDescriptionFactory factory;
+    private ChaosGameFileHandler fileHandler;
 
 
     public GuiButtonController(ChaosGame game, ChaosGameGui gui) {
@@ -29,6 +35,49 @@ public class GuiButtonController {
         this.chaosCanvas = new ChaosCanvas(1000, 1000, this.factory.getDescriptions().get(0).getMinCoords(),
                 this.factory.getDescriptions().get(0).getMaxCoords());
         initializeMainButtons();
+        this.fileHandler = new ChaosGameFileHandler();
+        initializeWriteToFileButtonHandler();
+
+    }
+
+    private void initializeWriteToFileButtonHandler() {
+        gui.getWriteToFileButton().setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent event) {
+                // Create a FileChooser object
+                FileChooser fileChooser = new FileChooser();
+
+                // Set the title of the FileChooser dialog
+                fileChooser.setTitle("Save File");
+
+                // Set the initial directory of the FileChooser
+                fileChooser.setInitialDirectory(new File(System.getProperty("user.home")));
+
+                // Set the extension filter
+                fileChooser.getExtensionFilters().addAll(
+                        new FileChooser.ExtensionFilter("Text Files", "*.txt"),
+                        new FileChooser.ExtensionFilter("All Files", "*.*")
+                );
+
+                // Show the save file dialog and get the selected file
+                File file = fileChooser.showSaveDialog(gui.getStage());
+
+                if (file != null) {
+                    try {
+                        // Create a ChaosGameDescription object
+                        ChaosGameDescription description = game.getDescription();
+
+                        // Call the writeToFile method
+                        System.out.println("About to write to file...");
+                        fileHandler.writeToFile(description, file.getPath());
+                        System.out.println("Finished writing to file.");
+                    } catch (IOException e) {
+                        // Handle the exception
+                        e.printStackTrace();
+                    }
+                }
+            }
+        });
     }
 
     public void runGameSteps(int steps) {

src/main/java/edu/ntnu/stud/chaosgame/view/ChaosGameGui.java

@@ -27,6 +27,7 @@ import javafx.scene.layout.Region;
 import javafx.scene.layout.VBox;
 import javafx.scene.paint.Color;
 import javafx.stage.Stage;
+import javafx.stage.Window;
 import javafx.util.Duration;
 
 import java.io.IOException;
@@ -34,6 +35,8 @@ import java.io.IOException;
 public class ChaosGameGui implements ChaosGameObserver {
   private int currentLine = 0;
 
+  private Stage primaryStage;
+
 
   private Canvas canvas;
 
@@ -120,7 +123,7 @@ public class ChaosGameGui implements ChaosGameObserver {
 
 
 public ChaosGameGui(Stage primaryStage) throws IOException {
-
+  this.primaryStage = primaryStage;
   this.initializeComponents();
   this.initializeGameComponents();
   this.controller = new GuiButtonController(game, this); // Initialize controller here
@@ -530,5 +533,11 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
   }
 
 
+  public ButtonBase getWriteToFileButton() {
+    return this.writeFractalToFileButton;
+  }
 
+  public Window getStage() {
+    return this.primaryStage;
+  }
 }