Add functionality of endorsement
diff --git a/src/endorse-combobox-delegate.h b/src/endorse-combobox-delegate.h
new file mode 100644
index 0000000..d0822b3
--- /dev/null
+++ b/src/endorse-combobox-delegate.h
@@ -0,0 +1,47 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Yingdi Yu
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Yingdi Yu <yingdi@cs.ucla.edu>
+ */
+
+#ifndef LINKNDN_ENDORSE_COMBOBOX_DELEGATE_H
+#define LINKNDN_ENDORSE_COMBOBOX_DELEGATE_H
+
+#include <QItemDelegate>
+#include <string>
+#include <vector>
+ 
+class EndorseComboBoxDelegate : public QItemDelegate
+{
+  Q_OBJECT
+public:
+  EndorseComboBoxDelegate(QObject *parent = 0);
+
+  // virtual
+  // ~ComboBoxDelegate() {}
+ 
+  QWidget*
+  createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+  void 
+  setEditorData(QWidget *editor, const QModelIndex &index) const;
+  
+  void 
+  setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
+  
+  void
+  updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+  
+  void
+  paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+ 
+private:
+  std::vector<std::string> m_items;
+ 
+};
+
+#endif