stats side

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/Main.java

@@ -25,11 +25,12 @@
 import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.dashboard.DashBoardView;
 import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.market.MarketController;
 import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.market.MarketView;
+import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.stats.StatsController;
+import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.stats.StatsView;
 import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.topbar.TopBarController;
 import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.topbar.TopBarView;
-import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.transactions.TransactionsController;
-import edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.transactions.TransactionsView;
 import javafx.application.Application;
+import javafx.scene.Node;
 import javafx.scene.Scene;
 import javafx.scene.layout.Pane;
 import javafx.scene.text.Font;
@@ -38,10 +39,14 @@
 /**
  * Main class.
  *
- * <p>Extends {@link Application}</p>
+ * <p>
+ * Extends {@link Application}
+ * </p>
  *
- * <p>Initializes the application through the javafx framework.</p>
- * */
+ * <p>
+ * Initializes the application through the javafx framework.
+ * </p>
+ */
 public class Main extends Application {
 
   static void main(String[] args) {
@@ -50,12 +55,12 @@ static void main(String[] args) {
 
   /**
    * {@inheritDoc}
-   * */
+   */
   @Override
   public void start(final Stage stage) throws Exception {
     Scene scene = new Scene(new Pane());
     scene.getStylesheets()
-            .add(Objects.requireNonNull(getClass().getResource("/styles.css")).toExternalForm());
+        .add(Objects.requireNonNull(getClass().getResource("/styles.css")).toExternalForm());
     Font.loadFont(getClass().getResourceAsStream("/Fonts/Aptos.ttf"), 16);
     stage.setScene(scene);
     stage.setWidth(ConfigValues.VIEWPORT_WIDTH.getValue());
@@ -85,7 +90,6 @@ public void start(final Stage stage) throws Exception {
     SaveGameService saveGameService = new SaveGameService();
     playGameView.setSaves(saveGameService.loadSaves());
 
-
     // Settings
     SettingsView settingsView = new SettingsView();
     new SettingsController(settingsView, eventManager);
@@ -102,40 +106,46 @@ public void start(final Stage stage) throws Exception {
     TopBarView topBarView2 = new TopBarView();
     new TopBarController(topBarView2, eventManager);
 
-    // Stats page (dashboard, default center-view in-game)
+    // Dashboard (default center-view in-game - første siden du ser)
     DashBoardView dashBoardView = new DashBoardView();
     new DashBoardController(dashBoardView,
-            eventManager,
-            player,
-            exchange,
-            stocksInFile);
+        eventManager,
+        player,
+        exchange,
+        stocksInFile);
+
+    // Stats page (Stats-knappen i topbaren tar deg hit)
+    StatsView statsView = new StatsView();
+    new StatsController(statsView, eventManager, player, exchange);
 
-    // Market page (vises i samme InGameView, byttes til via Market-knappen)
+    // Market page (Market-knappen tar deg hit)
     MarketView marketView = new MarketView();
     new MarketController(marketView,
-            eventManager,
-            player,
-            exchange,
-            stocksInFile);
-
-    TransactionsView transactionsView = new TransactionsView();
-    TransactionsController transactionsController = new TransactionsController(
-            transactionsView,
-            eventManager,
-            player.getTransactionArchive());
+        eventManager,
+        player,
+        exchange,
+        stocksInFile);
 
     // In-game (Change "topBarView" to "topBarView2" if no summary section).
     // Dashboard er default center-view.
     InGameView inGameView = new InGameView(topBarView, dashBoardView.getRootPane());
 
-    // Wire top bar buttons til å bytte mellom dashboard og market.
+    // Transactions-widgeten finnes ikke enda - bruker dashboardet som
+    // placeholder slik at TRANSACTIONS-knappen ikke krasjer. Bytt ut når
+    // den faktiske transactions-widgeten er på plass.
+    Node transactionsCenter = dashBoardView.getRootPane();
+    Runnable onTransactionUpdate = () -> {
+    };
+
+    // Wire top bar buttons til å bytte mellom dashboard / stats / market /
+    // transactions. Stats-knappen tar deg til stats-siden.
     topBarController.setMarketIntegration(
-            inGameView::changeCenterView,
-            dashBoardView.getRootPane(),
-            marketView.getRootPane(),
-            transactionsView.getRootPane(),
-            transactionsController::refresh
-    );
+        inGameView::changeCenterView,
+        dashBoardView.getRootPane(),
+        marketView.getRootPane(),
+        statsView.getRootPane(),
+        transactionsCenter,
+        onTransactionUpdate);
 
     // Register all views
     viewManager.addView(mainMenuView);
@@ -146,4 +156,4 @@ public void start(final Stage stage) throws Exception {
 
     stage.show();
   }
-}
+}

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/view/widgets/stats/HoldingData.java

@@ -0,0 +1,94 @@
+package edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.stats;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+/**
+ * Immutable data carrier for a single holding shown in {@link StatsView}.
+ *
+ * <p>Each instance represents an aggregated position in a single stock:
+ * the total number of shares owned, the weighted average purchase price,
+ * and the current market price. Derived values (value, cost, P&L) are
+ * computed on demand.</p>
+ * */
+public final class HoldingData {
+
+  /** The stock ticker symbol. */
+  private final String ticker;
+
+  /** Total number of shares owned of this ticker. */
+  private final BigDecimal shares;
+
+  /** Weighted average purchase price per share. */
+  private final BigDecimal avgPrice;
+
+  /** Current market price per share. */
+  private final BigDecimal currentPrice;
+
+  /**
+   * Creates a new holding data row.
+   *
+   * @param ticker       the stock ticker symbol.
+   * @param shares       total number of shares owned.
+   * @param avgPrice     weighted average purchase price per share.
+   * @param currentPrice current market price per share.
+   *
+   * @throws IllegalArgumentException if any argument is null.
+   * */
+  public HoldingData(final String ticker,
+                     final BigDecimal shares,
+                     final BigDecimal avgPrice,
+                     final BigDecimal currentPrice) throws IllegalArgumentException {
+    if (ticker == null || shares == null || avgPrice == null || currentPrice == null) {
+      throw new IllegalArgumentException("Invalid holding data!");
+    }
+    this.ticker = ticker;
+    this.shares = shares;
+    this.avgPrice = avgPrice;
+    this.currentPrice = currentPrice;
+  }
+
+  /** @return the ticker symbol. */
+  public String getTicker() {
+    return ticker;
+  }
+
+  /** @return total shares owned. */
+  public BigDecimal getShares() {
+    return shares;
+  }
+
+  /** @return weighted average purchase price. */
+  public BigDecimal getAvgPrice() {
+    return avgPrice;
+  }
+
+  /** @return current market price. */
+  public BigDecimal getCurrentPrice() {
+    return currentPrice;
+  }
+
+  /** @return current market value of this position (shares * currentPrice). */
+  public BigDecimal getValue() {
+    return shares.multiply(currentPrice);
+  }
+
+  /** @return total cost paid for this position (shares * avgPrice). */
+  public BigDecimal getCost() {
+    return shares.multiply(avgPrice);
+  }
+
+  /** @return absolute profit and loss (value - cost). */
+  public BigDecimal getPnl() {
+    return getValue().subtract(getCost());
+  }
+
+  /** @return profit and loss as a percentage of cost. */
+  public double getPnlPct() {
+    BigDecimal cost = getCost();
+    if (cost.signum() == 0) {
+      return 0.0;
+    }
+    return getPnl().divide(cost, 6, RoundingMode.HALF_UP).doubleValue() * 100.0;
+  }
+}

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/view/widgets/stats/StatsActions.java

@@ -0,0 +1,13 @@
+package edu.ntnu.idi.idatt2003.g40.mappe.view.widgets.stats;
+
+/**
+ * Enum representing all interactable actions in {@link StatsView}.
+ *
+ * <p>The stats widget is mostly an informational dashboard, so it currently
+ * has no top-level buttons of its own. {@code SELECT_HOLDING} is reserved
+ * for future use when individual holdings rows become clickable.</p>
+ * */
+public enum StatsActions {
+  /** Reserved for future holding-row click handling. */
+  SELECT_HOLDING;
+}