Count points when date is selected.

src/main/java/net/themusicinnoise/vaccalc/CalendarPanel.java

@@ -57,11 +57,13 @@ public class CalendarPanel extends JPanel {
     public void setSelectedDates(Set<LocalDate> dates) {
         selectedDates.clear();
         selectedDates.addAll(dates);
+        firePropertyChange("selectedDates", null, selectedDates);
         repaint();
     }
 
     public void clearSelection() {
         selectedDates.clear();
+        firePropertyChange("selectedDates", null, selectedDates);
         repaint();
     }
 
@@ -71,9 +73,14 @@ public class CalendarPanel extends JPanel {
         } else {
             selectedDates.add(date);
         }
+        firePropertyChange("selectedDates", null, selectedDates);
         repaint();
     }
 
+    public double getTotalPoints() {
+        return selectedDates.size() * 1.0;
+    }
+
     private LocalDate getDateAtPoint(int x, int y) {
         int row = y / cellHeight;
         int col = x / cellWidth;
@@ -158,9 +165,17 @@ public class CalendarPanel extends JPanel {
 
             String dayStr = String.valueOf(day);
             int textX = x + (cellWidth - fm.stringWidth(dayStr)) / 2;
-            int textY = y + (cellHeight - fm.getHeight()) / 2 + fm.getAscent();
+            int textY = y + (cellHeight - fm.getHeight()) / 2 + fm.getAscent() - 8;
             g.drawString(dayStr, textX, textY);
 
+            String pointsStr = "(1.0)";
+            Font smallFont = new Font("Arial", Font.PLAIN, 10);
+            FontMetrics smallFm = g.getFontMetrics(smallFont);
+            g.setFont(smallFont);
+            int pointsX = x + (cellWidth - smallFm.stringWidth(pointsStr)) / 2;
+            int pointsY = textY + fm.getHeight();
+            g.drawString(pointsStr, pointsX, pointsY);
+
             col++;
             if (col == 7) {
                 col = 0;

src/main/java/net/themusicinnoise/vaccalc/VacCalc.java

@@ -7,6 +7,7 @@ import java.time.YearMonth;
 public class VacCalc extends JFrame {
     private CalendarPanel calendarPanel;
     private JLabel monthLabel;
+    private JLabel pointsLabel;
 
     public VacCalc() {
         setTitle("VacCalc");
@@ -17,12 +18,16 @@ public class VacCalc extends JFrame {
         calendarPanel = new CalendarPanel();
 
         JPanel headerPanel = createHeaderPanel();
+        JPanel footerPanel = createFooterPanel();
         JPanel mainPanel = new JPanel(new BorderLayout());
         mainPanel.add(headerPanel, BorderLayout.NORTH);
         mainPanel.add(calendarPanel, BorderLayout.CENTER);
+        mainPanel.add(footerPanel, BorderLayout.SOUTH);
 
         add(mainPanel);
         pack();
+
+        calendarPanel.addPropertyChangeListener("selectedDates", e -> updatePointsLabel());
     }
 
     private JPanel createHeaderPanel() {
@@ -65,6 +70,21 @@ public class VacCalc extends JFrame {
         return headerPanel;
     }
 
+    private JPanel createFooterPanel() {
+        JPanel footerPanel = new JPanel(new BorderLayout());
+        footerPanel.setBackground(new Color(230, 230, 230));
+        footerPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
+
+        pointsLabel = new JLabel();
+        pointsLabel.setFont(new Font("Arial", Font.BOLD, 16));
+        pointsLabel.setHorizontalAlignment(JLabel.CENTER);
+
+        updatePointsLabel();
+        footerPanel.add(pointsLabel, BorderLayout.CENTER);
+
+        return footerPanel;
+    }
+
     private void updateMonthLabel() {
         YearMonth current = calendarPanel.getCurrentMonth();
         monthLabel.setText(String.format("%s %d", 
@@ -72,6 +92,11 @@ public class VacCalc extends JFrame {
             current.getYear()));
     }
 
+    private void updatePointsLabel() {
+        double points = calendarPanel.getTotalPoints();
+        pointsLabel.setText(String.format("Total Points: %.1f", points));
+    }
+
     public static void main(String[] args) {
         SwingUtilities.invokeLater(() -> {
             VacCalc app = new VacCalc();