Merge pull request #41 from solvena/26-add-stock-price-statistics

Add showStockStats() and addStockStats() methods after pulling new main

src/main/java/View/MainGameScene.java

@@ -1,6 +1,10 @@
 package View;
 
-import Model.*;
+import java.math.BigDecimal;
+import java.util.List;
+
+import Model.Share;
+import Model.Stock;
 import Model.Exchange.Exchange;
 import Model.Exchange.ExchangeObserver;
 import Model.Player.Player;
@@ -9,15 +13,28 @@
 import Model.Sale.Sale;
 import Model.Sale.SaleCalculator;
 import Model.Transaction.Transaction;
-
-import java.math.BigDecimal;
-import java.util.List;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.geometry.Pos;
 import javafx.scene.Scene;
-import javafx.scene.control.*;
-import javafx.scene.layout.*;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
+import javafx.scene.control.ButtonType;
+import javafx.scene.control.ComboBox;
+import javafx.scene.control.Dialog;
+import javafx.scene.control.Label;
+import javafx.scene.control.ListCell;
+import javafx.scene.control.ListView;
+import javafx.scene.control.Separator;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TabPane;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.GridPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Priority;
+import javafx.scene.layout.VBox;
 
 
 /**
@@ -178,8 +195,22 @@ private VBox createStocksPanel() {
     searchBox.getChildren().addAll(search, searchBtn, filter);
     loadStocks.run();
 
+    // Double-click a row to view price statistics
+    table.setOnMouseClicked(event -> {
+      if (event.getClickCount() == 2) {
+        StockRow selected = table.getSelectionModel().getSelectedItem();
+        if (selected != null) {
+            showStockStats(selected.s);
+        }
+      }
+    });
+
     VBox.setVgrow(table, Priority.ALWAYS);
-    panel.getChildren().addAll(searchBox, table);
+
+    Label hint = new Label("Double-click a row to view price history");
+    hint.getStyleClass().add("file-label");
+    panel.getChildren().addAll(searchBox, table, hint);
+
     return panel;
   }
 
@@ -566,6 +597,63 @@ private BigDecimal getNetWorth() {
     return player.getMoney().add(player.getPortfolio().getNetWorth());
   }
 
+  private void showStockStats(Stock stock) {
+    Dialog<Void> dialog = new Dialog<>();
+    dialog.setTitle(stock.getSymbol() + " — " + stock.getCompany());
+    dialog.getDialogPane().getButtonTypes().add(ButtonType.CLOSE);
+
+    VBox content = new VBox(12);
+    content.setPrefWidth(340);
+
+    // --- Number Sumary ---
+    BigDecimal change = stock.getLatestPriceChange();
+    String changeSign = change.compareTo(BigDecimal.ZERO) >= 0 ? "+" : "";
+
+    GridPane summary = new GridPane();
+    summary.setHgap(16);
+    summary.setVgap(6);
+    addStatRow(summary, 0, "Current price:",  "$" + formatMoney(stock.getSalesPrice()));
+    addStatRow(summary, 1, "Week change:",    changeSign + formatMoney(change));
+    addStatRow(summary, 2, "All-time high:",  "$" + formatMoney(stock.getHighestPrice()));
+    addStatRow(summary, 3, "All-time low:",   "$" + formatMoney(stock.getLowestPrice()));
+    addStatRow(summary, 4, "Weeks tracked:",  String.valueOf(stock.getHistoricalPrices().size()));
+
+    // --- Price history list ---
+    Label histHeading = new Label("Price history:");
+    histHeading.setStyle("-fx-font-weight: bold;");
+
+    ListView<String> histList = new ListView<>();
+    histList.setPrefHeight(180);
+    List<BigDecimal> prices = stock.getHistoricalPrices();
+    ObservableList<String> rows = FXCollections.observableArrayList();
+    for (int i = 0; i < prices.size(); i++) {
+      String change_i = "";
+      if (i > 0) {
+        BigDecimal diff = prices.get(i).subtract(prices.get(i - 1));
+        change_i = "  (" + (diff.compareTo(BigDecimal.ZERO) >= 0 ? "+" : "") +
+                        formatMoney(diff) + ")";
+      }
+      rows.add("Week " + (i + 1) + ":  $" + formatMoney(prices.get(i)) + change_i);
+    }
+    histList.setItems(rows);
+
+    // Scroll to the most recent week
+    if (!rows.isEmpty()) histList.scrollTo(rows.size() - 1);
+
+    content.getChildren().addAll(summary, new Separator(), histHeading, histList);
+    dialog.getDialogPane().setContent(content);
+    dialog.showAndWait();
+  }
+
+  /** Adds a label and value to the given row. */
+  private void addStatRow(GridPane grid, int row, String labelText, String valueText) {
+    Label lbl = new Label(labelText);
+    lbl.setStyle("-fx-font-weight: bold;");
+    Label val = new Label(valueText);
+    grid.add(lbl, 0, row);
+    grid.add(val, 1, row);
+  }
+
   private void showConfirmation(String title, Transaction t) {
     StringBuilder msg = new StringBuilder();
     if (t instanceof Purchase) {