diff --git a/src/cert-tree-model.cpp b/src/cert-tree-model.cpp
new file mode 100644
index 0000000..6af6e4e
--- /dev/null
+++ b/src/cert-tree-model.cpp
@@ -0,0 +1,60 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2014, Regents of the University of California,
+ *
+ * This file is part of NFD Control Center.  See AUTHORS.md for complete list of NFD
+ * authors and contributors.
+ *
+ * NFD Control Center is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD Control Center is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with NFD
+ * Control Center, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cert-tree-model.hpp"
+
+#ifdef WAF
+#include "cert-tree-model.moc"
+#endif
+
+namespace ndn {
+namespace ncc {
+
+CertTreeModel::CertTreeModel(int row, int column, QObject* parent)
+  : QStandardItemModel(row, column, parent)
+{
+}
+
+QVariant
+CertTreeModel::data(const QModelIndex& index, int role) const
+{
+  switch (role) {
+  case Qt::FontRole:
+    {
+      QFont font;
+      if (index.column() == 0) {
+        font.setBold(true);
+      }
+      return font;
+    }
+  case Qt::BackgroundRole:
+    {
+      QBrush brush(Qt::white, Qt::SolidPattern);
+      if (index.row() % 2 == 0) {
+        brush.setColor(Qt::lightGray);
+      }
+      return brush;
+    }
+  default:
+    return QStandardItemModel::data(index, role);
+  }
+}
+
+} // namespace ncc
+} // namespace ndn