@@ -81,8 +81,11 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
 
     // Set up table view context menu
     m_contextMenu = new QMenu(this);
-    QAction* copyAction = new QAction(QIcon(":/icons/copy"), "Copy", m_contextMenu);
-    QAction* pasteAction = new QAction(QIcon(":/icons/paste"), "Paste", m_contextMenu);
+    QAction* nullAction = new QAction(tr("Set to NULL"), m_contextMenu);
+    QAction* copyAction = new QAction(QIcon(":/icons/copy"), tr("Copy"), m_contextMenu);
+    QAction* pasteAction = new QAction(QIcon(":/icons/paste"), tr("Paste"), m_contextMenu);
+    m_contextMenu->addAction(nullAction);
+    m_contextMenu->addSeparator();
     m_contextMenu->addAction(copyAction);
     m_contextMenu->addAction(pasteAction);
     setContextMenuPolicy(Qt::CustomContextMenu);
@@ -93,11 +96,16 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
     {
         // Try to find out whether the current view is editable and (de)activate menu options according to that
         bool editable = editTriggers() != QAbstractItemView::NoEditTriggers;
+        nullAction->setEnabled(editable);
         pasteAction->setEnabled(editable);
 
         // Show menu
         m_contextMenu->popup(viewport()->mapToGlobal(pos));
     });
+    connect(nullAction, &QAction::triggered, [&]() {
+        foreach(const QModelIndex& index, selectedIndexes())
+            model()->setData(index, QVariant());
+    });
     connect(copyAction, &QAction::triggered, [&]() {
        copy();
     });