Improve GUI formatting and reduced code duplication for GUI elements.

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

@@ -151,6 +151,16 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
 
     this.scene = new Scene(this.borderPane,1700,1000);
   }
+/**
+ * Creates a TextField of specific size.
+ */
+  private TextField createCoordinateTextField(String promptText) {
+    TextField textField = new TextField();
+    textField.setPrefHeight(5);
+    textField.setPrefWidth(90);
+    textField.setPromptText(promptText);
+    return textField;
+  }
 
   /**
    * Initialize the main buttons for the GUI.
@@ -277,6 +287,9 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
     this.sideMenu = new VBox();
     // Parameters
     VBox parameterBox = new VBox();
+    VBox controlButtonBox = new VBox();
+    VBox radioButtonBox = new VBox();
+    VBox bottomButtonBox = new VBox();
 
     // Step Count GUI
     VBox stepCountBox = new VBox();
@@ -291,14 +304,11 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
     // Minimum Coordinates GUI
     VBox minCoordinatesBox = new VBox();
     Label minCoordinatesLabel = new Label("Min. Coordinates");
-    TextField minimumCoordinatesTextFieldX = new TextField();
-    minimumCoordinatesTextFieldX.setPrefHeight(5);
-    minimumCoordinatesTextFieldX.setPrefWidth(90);
-    minimumCoordinatesTextFieldX.setPromptText("x");
-    TextField minimumCoordinatesTextFieldY = new TextField();
-    minimumCoordinatesTextFieldY.setPrefHeight(5);
-    minimumCoordinatesTextFieldY.setPrefWidth(90);
-    minimumCoordinatesTextFieldY.setPromptText("y");
+
+    TextField minimumCoordinatesTextFieldX = createCoordinateTextField("x");
+
+    TextField minimumCoordinatesTextFieldY = createCoordinateTextField("y");
+
     HBox minCoordsHBox = new HBox();
     minCoordsHBox.getChildren().addAll(minimumCoordinatesTextFieldX,minimumCoordinatesTextFieldY);
     Button changeMinimumCoordinatesButton = new Button("Change Min. Coordinates");
@@ -308,14 +318,8 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
     // Maximum Coordinates GUI
     VBox maxCoordinatesBox = new VBox();
     Label maxCoordinatesLabel = new Label("Max Coordinates");
-    TextField maximumCoordinatesTextFieldX = new TextField();
-    maximumCoordinatesTextFieldX.setPrefHeight(5);
-    maximumCoordinatesTextFieldX.setPrefWidth(90);
-    maximumCoordinatesTextFieldX.setPromptText("x");
-    TextField maximumCoordinatesTextFieldY = new TextField();
-    maximumCoordinatesTextFieldY.setPrefHeight(5);
-    maximumCoordinatesTextFieldY.setPrefWidth(90);
-    maximumCoordinatesTextFieldY.setPromptText("y");
+    TextField maximumCoordinatesTextFieldX = createCoordinateTextField("x");
+    TextField maximumCoordinatesTextFieldY = createCoordinateTextField("y");
 
     HBox maxCoordsHBox = new HBox();
     maxCoordsHBox.getChildren().addAll(maximumCoordinatesTextFieldX,maximumCoordinatesTextFieldY);
@@ -340,11 +344,21 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
     parameterBox.setPadding(new Insets(10));
 
     // Add basic control buttons
-    sideMenu.getChildren().addAll(startButton,stopButton,newButton,clearButton);
+    controlButtonBox.getChildren().addAll(startButton,stopButton,newButton,clearButton);
+    controlButtonBox.setSpacing(5);
+    sideMenu.getChildren().add(controlButtonBox);
+
+    // Add spacing
+    Region space = new Region();
+    space.setMinHeight(10);
+    sideMenu.getChildren().add(space);
 
     // Add fractal radio buttons
-    sideMenu.getChildren().addAll(sierpinskiRadioButton, barnsleyRadioButton, juliaRadioButton,
-        improvedBarnsleyButton);
+
+    radioButtonBox.getChildren().addAll(sierpinskiRadioButton, barnsleyRadioButton, juliaRadioButton,
+            improvedBarnsleyButton);
+    radioButtonBox.setSpacing(5);
+    sideMenu.getChildren().add(radioButtonBox);
 
     sideMenu.getChildren().addAll(separator1, colorBox, separator2);
     //this.initializeColorButtonHandler();
@@ -352,11 +366,10 @@ public ChaosGameGui(Stage primaryStage) throws IOException {
     // Add parameter VBox
     sideMenu.getChildren().add(parameterBox);
 
-    // Add file buttons
-    sideMenu.getChildren().addAll(loadFractalFromFileButton,writeFractalToFileButton);
-
-    // Add quit button
-    sideMenu.getChildren().add(quitButton);
+    // Add file buttons and quit button
+    bottomButtonBox.getChildren().addAll(loadFractalFromFileButton,writeFractalToFileButton,quitButton);
+    bottomButtonBox.setSpacing(5);
+    sideMenu.getChildren().add(bottomButtonBox);
 
     // Add padding
     sideMenu.setPadding(new Insets(10));