Added filehandling and saving fractals

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/controllers/GameController.java

@@ -7,6 +7,7 @@ import edu.ntnu.idatt2003.mappevurderingprog2.models.Transform2D;
 import edu.ntnu.idatt2003.mappevurderingprog2.models.Vector2D;
 import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGame;
 import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameDescription;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameFileHandler;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -80,4 +81,21 @@ public class GameController {
     if (transforms.isEmpty()) return false;
     return transforms.get(0) instanceof JuliaTransform;
   }
+
+  public void saveFractalToFile(String name) throws Exception {
+    ChaosGameFileHandler.writeTransformationsToFile(ChaosGame.getInstance().getDescription(), name);
+  }
+
+  public void readFractalFromFile(String name) throws Exception {
+    ChaosGameDescription description = ChaosGameFileHandler.readTransformationsFromFile(name);
+    ChaosGame.getInstance().setDescription(description);
+  }
+
+  public boolean doesFileExist(String name) {
+    return ChaosGameFileHandler.checkFileExists(name);
+  }
+
+  public List<String> listTransformationFileNames() {
+    return ChaosGameFileHandler.listTransformationFileNames();
+  }
 }
\ No newline at end of file

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/chaos/ChaosGameFileHandler.java

@@ -15,8 +15,8 @@ import java.util.Locale;
 import java.util.Scanner;
 
 public class ChaosGameFileHandler {
-  public static ChaosGameDescription readTransformationsFromFile(String path) throws FileNotFoundException {
-    File file = new File(path);
+  public static ChaosGameDescription readTransformationsFromFile(String name) throws FileNotFoundException {
+    File file = new File("src/main/resources/transformations/" + name);
     Scanner scanner = new Scanner(file).useLocale(Locale.ENGLISH);
 
     String transformType = scanner.nextLine().trim();
@@ -43,8 +43,8 @@ public class ChaosGameFileHandler {
     return ChaosGameDescription.createWithTransforms(transforms, minCoords, maxCoords);
   }
 
-  public static void writeTransformationsToFile(ChaosGameDescription description, String path) throws Exception{
-    try (FileWriter writer = new FileWriter(new File(path))) {
+  public static void writeTransformationsToFile(ChaosGameDescription description, String name) throws Exception{
+    try (FileWriter writer = new FileWriter("src/main/resources/transformations/" + name)) {
       if (description.getTransforms().isEmpty()) return;
 
       Transform2D firstTransform = description.getTransforms().get(0);
@@ -69,6 +69,29 @@ public class ChaosGameFileHandler {
     }
   }
 
+  public static List<String> listTransformationFileNames() {
+    List<String> fileNames = new ArrayList<>();
+    File directory = new File("src/main/resources/transformations/");
+
+    if (directory.exists() && directory.isDirectory()) {
+      File[] files = directory.listFiles();
+      if (files != null) {
+        for (File file : files) {
+          if (file.isFile()) {
+            fileNames.add(file.getName());
+          }
+        }
+      }
+    }
+
+    return fileNames;
+  }
+
+  public static boolean checkFileExists(String name) {
+    File file = new File("src/main/resources/transformations/" + name);
+    return file.exists();
+  }
+
   private static String formatVector2D(Vector2D vector) {
     return String.format(Locale.ENGLISH, "%s, %s", vector.getX0(), vector.getX1());
   }

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/AffineDialog.java

@@ -92,8 +92,38 @@ public class AffineDialog {
     HBox editBox = new HBox(10);
     editBox.setAlignment(Pos.CENTER_LEFT);
 
-    Button editButton = new Button(isEditMode ? "Edit Fractal" : "Create Fractal");
+    Button editButton = new Button(isEditMode ? "Edit Fractal" : "Display Fractal");
     editButton.setOnAction(event -> {
+      displayFractal(stepsField, minCoordsFieldX, minCoordsFieldY, maxCoordsFieldX, maxCoordsFieldY, transformationFields);
+    });
+
+    HBox buttonBox = new HBox(10);
+    buttonBox.setAlignment(Pos.CENTER_RIGHT);
+
+    Button addBtn = new Button("Add Transformation");
+    addBtn.setOnAction(event -> {
+      addEmptyTransformationFields(grid, rowIndex.get(), transformationFields);
+      rowIndex.incrementAndGet();
+    });
+
+    Button removeBtn = new Button("Remove Transformation");
+    removeBtn.setOnAction(event -> {
+      if (!transformationFields.isEmpty()) {
+        Node[] lastFields = transformationFields.remove(transformationFields.size() - 1);
+        grid.getChildren().removeAll(lastFields);
+        rowIndex.decrementAndGet();
+      }
+    });
+
+    editBox.getChildren().addAll(editButton);
+    buttonBox.getChildren().addAll(addBtn, removeBtn);
+
+    dialogVBox.getChildren().addAll(scrollPane, editBox, buttonBox);
+    dialog.getDialogPane().setContent(dialogVBox);
+    dialog.getDialogPane().getButtonTypes().add(ButtonType.CLOSE);
+  }
+
+  private void displayFractal(TextField stepsField, TextField minCoordsFieldX, TextField minCoordsFieldY, TextField maxCoordsFieldX, TextField maxCoordsFieldY, List<Node[]> transformationFields) {
     if (stepsField.getText().isEmpty() || minCoordsFieldX.getText().isEmpty() ||
         minCoordsFieldY.getText().isEmpty() || maxCoordsFieldX.getText().isEmpty() ||
         maxCoordsFieldY.getText().isEmpty()) {
@@ -143,32 +173,6 @@ public class AffineDialog {
     } catch (NumberFormatException e) {
       UserFeedback.showErrorPopup("Input Error", "Please enter valid numbers for all fields.");
     }
-    });
-
-    HBox buttonBox = new HBox(10);
-    buttonBox.setAlignment(Pos.CENTER_RIGHT);
-
-    Button addBtn = new Button("Add Transformation");
-    addBtn.setOnAction(event -> {
-      addEmptyTransformationFields(grid, rowIndex.get(), transformationFields);
-      rowIndex.incrementAndGet();
-    });
-
-    Button removeBtn = new Button("Remove Transformation");
-    removeBtn.setOnAction(event -> {
-      if (!transformationFields.isEmpty()) {
-        Node[] lastFields = transformationFields.remove(transformationFields.size() - 1);
-        grid.getChildren().removeAll(lastFields);
-        rowIndex.decrementAndGet();
-      }
-    });
-
-    editBox.getChildren().addAll(editButton);
-    buttonBox.getChildren().addAll(addBtn, removeBtn);
-
-    dialogVBox.getChildren().addAll(scrollPane, editBox, buttonBox);
-    dialog.getDialogPane().setContent(dialogVBox);
-    dialog.getDialogPane().getButtonTypes().add(ButtonType.CLOSE);
   }
 
   private void addTransformationFields(GridPane grid, AffineTransform2D transform, int rowIndex, List<Node[]> fieldList) {

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/CreateFractalMenu.java

@@ -4,6 +4,7 @@ import edu.ntnu.idatt2003.mappevurderingprog2.controllers.GameController;
 import edu.ntnu.idatt2003.mappevurderingprog2.views.View;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 import javafx.geometry.Pos;
 
@@ -25,7 +26,11 @@ public class CreateFractalMenu extends VBox {
       juliaDialog.showDialog();
     });
 
-    getChildren().addAll(headline, affineButton, juliaButton);
+    HBox buttonBox = new HBox(affineButton, juliaButton);
+    buttonBox.setAlignment(Pos.CENTER);
+    buttonBox.setSpacing(10);
+
+    getChildren().addAll(headline, buttonBox);
     setAlignment(Pos.TOP_CENTER);
     setSpacing(10);
   }

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/EditFractalMenu.java → src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/CurrentFractalMenu.java

@@ -2,16 +2,19 @@ package edu.ntnu.idatt2003.mappevurderingprog2.views.Components;
 
 import edu.ntnu.idatt2003.mappevurderingprog2.controllers.GameController;
 import edu.ntnu.idatt2003.mappevurderingprog2.views.View;
+import java.util.Optional;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
+import javafx.scene.control.TextInputDialog;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 import javafx.geometry.Pos;
 
-public class EditFractalMenu extends VBox {
+public class CurrentFractalMenu extends VBox {
   private GameController gameController;
-  public EditFractalMenu(View view, GameController gameController) {
+  public CurrentFractalMenu(View view, GameController gameController) {
     this.gameController = gameController;
-    Label editLabel = new Label("Edit current fractal");
+    Label editLabel = new Label("Current fractal");
     editLabel.setStyle("-fx-font-size: 16px; -fx-font-weight: bold;");
 
     Button editButton = new Button("Edit");
@@ -27,7 +30,37 @@ public class EditFractalMenu extends VBox {
       }
     });
 
-    getChildren().addAll(editLabel, editButton);
+    Button saveButton = new Button("Save");
+    saveButton.setOnAction(event -> {
+      if (gameController.isChaosGameEmpty()) {
+        UserFeedback.showErrorPopup("Error", "There is no fractal to save");
+      } else {
+        TextInputDialog dialog = new TextInputDialog();
+        dialog.setTitle("Save fractal");
+        dialog.setHeaderText("Enter a name for the fractal");
+        dialog.setContentText("Name:");
+
+        Optional<String> result = dialog.showAndWait();
+        result.ifPresent(name -> {
+          if (gameController.doesFileExist(name)) {
+            UserFeedback.showErrorPopup("Error", "A fractal with that name already exists");
+          } else {
+            try {
+              gameController.saveFractalToFile(name);
+              UserFeedback.showConfirmationPopup("Success", "Fractal saved successfully");
+            } catch (Exception e) {
+              throw new RuntimeException(e);
+            }
+          }
+        });
+      }
+    });
+
+    HBox buttonBox = new HBox(editButton, saveButton);
+    buttonBox.setAlignment(Pos.CENTER);
+    buttonBox.setSpacing(10);
+
+    getChildren().addAll(editLabel, buttonBox);
     setAlignment(Pos.TOP_CENTER);
     setSpacing(10);
   }

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/ExistingFractalsMenu.java

@@ -2,9 +2,15 @@ package edu.ntnu.idatt2003.mappevurderingprog2.views.Components;
 
 import edu.ntnu.idatt2003.mappevurderingprog2.controllers.GameController;
 import edu.ntnu.idatt2003.mappevurderingprog2.views.View;
+import java.util.List;
+import javafx.collections.FXCollections;
 import javafx.geometry.Pos;
 import javafx.scene.control.Button;
+import javafx.scene.control.ButtonBar;
+import javafx.scene.control.ButtonType;
+import javafx.scene.control.Dialog;
 import javafx.scene.control.Label;
+import javafx.scene.control.ListView;
 import javafx.scene.layout.VBox;
 
 public class ExistingFractalsMenu extends VBox {
@@ -15,8 +21,48 @@ public class ExistingFractalsMenu extends VBox {
     BarnsleyFernButton barnsleyButton = new BarnsleyFernButton(view, view.getMainCanvas(), gameController);
     JuliaTransformationButton juliaButton = new JuliaTransformationButton(view, view.getMainCanvas(), gameController);
 
-    getChildren().addAll(headline, sierpinskiButton, barnsleyButton, juliaButton);
+    Button savedFractalsButton = new Button("Saved Fractals");
+    savedFractalsButton.setOnAction(event -> showSavedFractalsDialog(gameController));
+
+    getChildren().addAll(headline, sierpinskiButton, barnsleyButton, juliaButton, savedFractalsButton);
     setAlignment(Pos.TOP_CENTER);
     setSpacing(10);
   }
+
+  private void showSavedFractalsDialog(GameController gameController) {
+    if (gameController.listTransformationFileNames().isEmpty()) {
+      UserFeedback.showErrorPopup("Error", "There are no saved fractals");
+      return;
+    }
+    Dialog<String> dialog = new Dialog<>();
+    dialog.setTitle("Select a Fractal");
+    dialog.setHeaderText("Choose a fractal to display:");
+
+    ButtonType loadButtonType = new ButtonType("Display", ButtonBar.ButtonData.OK_DONE);
+    dialog.getDialogPane().getButtonTypes().addAll(loadButtonType, ButtonType.CANCEL);
+
+    ListView<String> listView = new ListView<>();
+    List<String> savedFractals = gameController.listTransformationFileNames();
+    listView.setItems(FXCollections.observableArrayList(savedFractals));
+    listView.setPrefHeight(180);
+    dialog.getDialogPane().setContent(listView);
+
+    dialog.setResultConverter(dialogButton -> {
+      if (dialogButton == loadButtonType && !listView.getSelectionModel().isEmpty()) {
+        return listView.getSelectionModel().getSelectedItem();
+      }
+      return null;
+    });
+
+    dialog.showAndWait().ifPresent(fractalName -> {
+      try {
+        gameController.readFractalFromFile(fractalName);
+        gameController.setChaosGameSteps(1000000);
+        gameController.setChaosCanvasSize(200, 200);
+        gameController.runTransformation();
+      } catch (Exception e) {
+        UserFeedback.showErrorPopup("Error", "Failed to load fractal: " + e.getMessage());
+      }
+    });
+  }
 }
\ No newline at end of file

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/JuliaDialog.java

@@ -3,6 +3,7 @@ package edu.ntnu.idatt2003.mappevurderingprog2.views.Components;
 import edu.ntnu.idatt2003.mappevurderingprog2.controllers.GameController;
 import edu.ntnu.idatt2003.mappevurderingprog2.models.Complex;
 import edu.ntnu.idatt2003.mappevurderingprog2.models.Vector2D;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameFileHandler;
 import javafx.scene.control.Button;
 import javafx.scene.control.ButtonType;
 import javafx.scene.control.Dialog;
@@ -57,15 +58,15 @@ public class JuliaDialog {
     grid.add(new Label("Imaginary Part:"), 0, 4);
     grid.add(imagField, 1, 4);
 
-    Button editButton = new Button(isEditMode ? "Edit Fractal" : "Create Fractal");
-    editButton.setOnAction(event -> handleAction(stepsField, minCoordsFieldX, minCoordsFieldY, maxCoordsFieldX, maxCoordsFieldY, realField, imagField));
+    Button editButton = new Button("Display Fractal");
+    editButton.setOnAction(event -> displayFractal(stepsField, minCoordsFieldX, minCoordsFieldY, maxCoordsFieldX, maxCoordsFieldY, realField, imagField));
     grid.add(editButton, 1, 5);
 
     dialog.getDialogPane().setContent(grid);
     dialog.getDialogPane().getButtonTypes().add(ButtonType.CLOSE);
   }
 
-  private void handleAction(TextField stepsField, TextField minCoordsFieldX, TextField minCoordsFieldY, TextField maxCoordsFieldX, TextField maxCoordsFieldY, TextField realField, TextField imagField) {
+  private void displayFractal(TextField stepsField, TextField minCoordsFieldX, TextField minCoordsFieldY, TextField maxCoordsFieldX, TextField maxCoordsFieldY, TextField realField, TextField imagField) {
     if (stepsField.getText().isEmpty() || minCoordsFieldX.getText().isEmpty() ||
         minCoordsFieldY.getText().isEmpty() || maxCoordsFieldX.getText().isEmpty() ||
         maxCoordsFieldY.getText().isEmpty() || realField.getText().isEmpty() ||

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/views/Components/Menu.java

@@ -10,13 +10,13 @@ import javafx.scene.layout.VBox;
 public class Menu extends VBox {
   private ExistingFractalsMenu existingFractalsMenu;
   private CreateFractalMenu createFractalMenu;
-  private EditFractalMenu editFractalMenu;
+  private CurrentFractalMenu editFractalMenu;
   private ExtraUserOptions extraUserOptions;
 
   public Menu(View view, GameController gameController) {
     existingFractalsMenu = new ExistingFractalsMenu(view, gameController);
     createFractalMenu = new CreateFractalMenu(view, gameController);
-    editFractalMenu = new EditFractalMenu(view, gameController);
+    editFractalMenu = new CurrentFractalMenu(view, gameController);
     extraUserOptions = new ExtraUserOptions(view.getMainCanvas());
     initializeMenu();
   }

src/main/resources/transformations/BarnsleyFern.txt

-Affine2D
-0.0, 0.0
-1.0, 1.0
-0.000000, 0.000000, 0.000000, 0.160000, 0.0, 0.0
-0.850000, 0.040000, -0.040000, 0.850000, 0.0, 1.6
-0.200000, -0.260000, 0.230000, 0.220000, 0.0, 1.6
--0.150000, 0.280000, 0.260000, 0.240000, 0.0, 0.44
\ No newline at end of file

src/main/resources/transformations/JuliaTransformation.txt

-Julia
--1.6, -1.0
-1.6, 1.0
--0.74543, 0.11301, -1

src/main/resources/transformations/SierpinskiTriangle.txt

-Affine2D
-0.0, 0.0
-1.0, 1.0
-0.500000, 0.000000, 0.000000, 0.500000, 0.0, 0.0
-0.500000, 0.000000, 0.000000, 0.500000, 0.5, 0.0
-0.500000, 0.000000, 0.000000, 0.500000, 0.25, 0.5