1 files changed, 79 insertions, 0 deletions
diff --git a/src/main/ui/widgets/LogTableModel.java b/src/main/ui/widgets/LogTableModel.java
new file mode 100644
index 0000000..dc7dcbd
--- /dev/null
+++ b/src/main/ui/widgets/LogTableModel.java
@@ -0,0 +1,79 @@
+package ui.widgets;
+
+import model.ca.AuditLogEntry;
+import model.ca.CertificationAuthority;
+
+import javax.swing.table.AbstractTableModel;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+
+/**
+ * Table model that displays audit logs.
+ */
+public class LogTableModel extends AbstractTableModel {
+    /**
+     * Columns
+     */
+    private static final String[] COLS = new String[] {
+            "Time",
+            "Operator",
+            "Action"
+    };
+
+    /**
+     * Pointer to the {@link CertificationAuthority#getLogs()}.
+     */
+    private List<AuditLogEntry> ptrData;
+
+    /**
+     * EFFECTS: Set the pointer to templates
+     * MODIFIES: this
+     */
+    public void setPtrData(List<AuditLogEntry> ptrData) {
+        this.ptrData = ptrData;
+    }
+
+    /**
+     * EFFECT: Return number of rows.
+     */
+    @Override
+    public int getRowCount() {
+        return ptrData == null ? 0 : ptrData.size();
+    }
+
+    /**
+     * EFFECT: Return number of columns.
+     */
+    @Override
+    public int getColumnCount() {
+        return COLS.length;
+    }
+
+    /**
+     * EFFECTS: Get column name.
+     * REQUIRES: column in [9, getColumnCount())
+     */
+    @Override
+    public String getColumnName(int column) {
+        return COLS[column];
+    }
+
+    /**
+     * EFFECTS: Return the value for a cell:
+     *          String (Time)
+     *          String (Operator)
+     *          String (Action)
+     *          Throws {@link IllegalArgumentException} if columnIndex is not in 0 ~ 2
+     * REQUIRES: rowIndex must in range.
+     */
+    @Override
+    public Object getValueAt(int rowIndex, int columnIndex) {
+        final AuditLogEntry e = ptrData.get(rowIndex);
+        switch (columnIndex) {
+            case 0: return e.getTime().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
+            case 1: return e.getUser();
+            case 2: return e.getAction();
+            default: throw new IllegalArgumentException();
+        }
+    }
+}