Add some documentation

src/main/java/app/controllers/MenubarController.java

@@ -32,6 +32,9 @@ import javafx.stage.DirectoryChooser;
 import javafx.stage.FileChooser;
 import javafx.stage.Stage;
 
+/**
+ * A FXML controller that controls the filetree component of the UI
+ */
 public class MenubarController implements Initializable, Controller {
 
   private EventBus eventBus;
@@ -57,6 +60,9 @@ public class MenubarController implements Initializable, Controller {
   /* FILE */
   /* ------------------------------------------------------------------------ */
 
+  /**
+   * Handles whenever the Open File button is pressed in the menubar
+   */
   @FXML
   public void handleOpenFile() {
     FileChooser fc = new FileChooser();
@@ -70,6 +76,9 @@ public class MenubarController implements Initializable, Controller {
     this.eventBus.post(new FileSelectedEvent(correctFormat));
   }
 
+  /**
+   * Handles whenever the Open Project button is pressed in the menubar
+   */
   @FXML
   private void handleOpenProject() {
     DirectoryChooser dc = new DirectoryChooser();
@@ -84,45 +93,33 @@ public class MenubarController implements Initializable, Controller {
 
   }
 
-  // @FXML
-  // public void handleSaveFile() {
-  // FileChooser fc = new FileChooser();
-  // fc.setTitle("Save File");
-  // Stage stage = (Stage) menubar.getScene().getWindow();
-
-  // FileChooser.ExtensionFilter extentionjava = new
-  // FileChooser.ExtensionFilter(".java");
-  // FileChooser.ExtensionFilter extentionmd = new
-  // FileChooser.ExtensionFilter(".md");
-  // fc.getExtensionFilters().addAll(extentionjava, extentionmd);
-  // fc.showOpenDialog(stage);
-  // }
-
   /**
-   * Handles the event where the language was change from the menu.
-   * 
-   * @param event
+   * Handles whenever the programming language is changed from the menubar.
    */
   @FXML
   private void handleLanguageChange(ActionEvent event) {
     this.eventBus.post(new LanguageChangedEvent(((RadioMenuItem) event.getSource()).getText()));
   }
 
+  /**
+   * Handles whenever the wraptext togglebutton is pressed in the menubar
+   */
   @FXML
   private void handleToggleWraptext(ActionEvent event) {
     var isSelected = ((CheckMenuItem) event.getSource()).selectedProperty().get();
     this.eventBus.post(new ToggleWrapTextEvent(isSelected));
   }
 
+  /**
+   * Handles whenever the theme is changed from the menubar
+   */
   @FXML
   private void handleThemeChange(ActionEvent event) {
     this.eventBus.post(new ThemeChangedEvent(((RadioMenuItem) event.getSource()).getText()));
   }
 
   /**
-   * Handles the event where there was an exit request from the menu.
-   * 
-   * @param event
+   * Handles whenever the exit button is pressed in the menubar
    */
   @FXML
   private void handleExitApplication(ActionEvent event) {
@@ -133,31 +130,49 @@ public class MenubarController implements Initializable, Controller {
   /* EDIT */
   /* ------------------------------------------------------------------------ */
 
+  /**
+   * Handles whenever the undo button is pressed in the menubar
+   */
   @FXML
   private void handleUndo(ActionEvent event) {
     this.eventBus.post(new UndoEvent());
   }
 
+  /**
+   * Handles whenever the redo button is pressed in the menubar
+   */
   @FXML
   private void handleRedo(ActionEvent event) {
     this.eventBus.post(new RedoEvent());
   }
 
+  /**
+   * Handles whenever the copy button is pressed in the menubar
+   */
   @FXML
   private void handleCopy(ActionEvent event) {
     this.eventBus.post(new CopyEvent());
   }
 
+  /**
+   * Handles whenever the cut button is pressed in the menubar
+   */
   @FXML
   private void handleCut(ActionEvent event) {
     this.eventBus.post(new CutEvent());
   }
 
+  /**
+   * Handles whenever the paste button is pressed in the menubar
+   */
   @FXML
   private void handlePaste(ActionEvent event) {
     this.eventBus.post(new PasteEvent());
   }
 
+  /**
+   * Handles whenever the Toggle Comment button is pressed in the menubar
+   */
   @FXML
   private void handleToggleComment(ActionEvent event) {
     this.eventBus.post(new ToggleCommentEvent());
@@ -167,6 +182,9 @@ public class MenubarController implements Initializable, Controller {
   /* ABOUT */
   /* ------------------------------------------------------------------------ */
 
+  /**
+   * Handles whenever the About button is pressed in the menubar
+   */
   @FXML
   private void handleAbout(ActionEvent event) {
     String aboutLink = "https://gitlab.stud.idi.ntnu.no/oysteikt/tdt4100-project-2021v/-/blob/master/README.md";
@@ -179,8 +197,6 @@ public class MenubarController implements Initializable, Controller {
 
   /**
    * Updates menubuttons whenever the language is changed
-   * 
-   * @param event
    */
   @Subscribe
   private void handle(LanguageChangedEvent event) {