Centralize the windows when the scene size changes

src/main/java/no/ntnu/idatt1002/demo/controller/BudgetController.java

@@ -7,6 +7,7 @@ import javafx.collections.ObservableList;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
+import javafx.geometry.Rectangle2D;
 import javafx.scene.Node;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
@@ -16,6 +17,7 @@ import javafx.scene.control.*;
 import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.text.Text;
 import javafx.stage.Modality;
+import javafx.stage.Screen;
 import javafx.stage.Stage;
 import no.ntnu.idatt1002.demo.data.Budget.BudgetItem;
 import no.ntnu.idatt1002.demo.data.Budget.BudgetRegister;
@@ -319,6 +321,12 @@ public class BudgetController extends FinanceController {
             Stage stage = (Stage) ((Node) event.getSource()).getScene().getWindow();
             Scene scene = new Scene(root);
             stage.setScene(scene);
+
+            //Centralize the new screen
+            Rectangle2D primScreenBounds = Screen.getPrimary().getVisualBounds();
+            stage.setX((primScreenBounds.getWidth() - stage.getWidth()) / 2);
+            stage.setY((primScreenBounds.getHeight() - stage.getHeight()) / 2);
+
             stage.show();
 
         } catch(Exception ioe) {

src/main/java/no/ntnu/idatt1002/demo/controller/MainMenu.java

@@ -9,6 +9,7 @@ import javafx.collections.ObservableList;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
+import javafx.geometry.Rectangle2D;
 import javafx.scene.Node;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
@@ -20,6 +21,7 @@ import javafx.scene.control.Label;
 import javafx.scene.control.ProgressBar;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.paint.Color;
+import javafx.stage.Screen;
 import javafx.stage.Stage;
 import no.ntnu.idatt1002.demo.data.Budget.FileHandlingBudget;
 import no.ntnu.idatt1002.demo.data.Budget.GeneralBudget;
@@ -250,6 +252,12 @@ public class MainMenu {
     Stage stage = (Stage) ((Node) event.getSource()).getScene().getWindow();
     Scene scene = new Scene(root);
     stage.setScene(scene);
+
+    //Centralize the new screen
+    Rectangle2D primScreenBounds = Screen.getPrimary().getVisualBounds();
+    stage.setX((primScreenBounds.getWidth() - stage.getWidth()) / 2);
+    stage.setY((primScreenBounds.getHeight() - stage.getHeight()) / 2);
+
     stage.setResizable(false);
     stage.show();
   }

src/main/java/no/ntnu/idatt1002/demo/controller/SceneController.java

@@ -5,6 +5,7 @@ import java.io.IOException;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
+import javafx.geometry.Rectangle2D;
 import javafx.scene.Node;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
@@ -12,6 +13,7 @@ import javafx.scene.control.Alert;
 import javafx.scene.control.Alert.AlertType;
 import javafx.scene.control.Dialog;
 import javafx.stage.Modality;
+import javafx.stage.Screen;
 import javafx.stage.Stage;
 import no.ntnu.idatt1002.demo.data.Budget.FileHandlingBudget;
 import no.ntnu.idatt1002.demo.data.Budget.FileHandlingSelectedBudget;
@@ -128,6 +130,12 @@ public class SceneController {
     Stage stage = (Stage)((Node)event.getSource()).getScene().getWindow();
     Scene scene = new Scene(root);
     stage.setScene(scene);
+
+    //Centralize the new screen
+    Rectangle2D primScreenBounds = Screen.getPrimary().getVisualBounds();
+    stage.setX((primScreenBounds.getWidth() - stage.getWidth()) / 2);
+    stage.setY((primScreenBounds.getHeight() - stage.getHeight()) / 2);
+
     stage.show();
   }