1 files changed, 58 insertions, 0 deletions
diff --git a/sw/source/core/edit/edfldexp.cxx b/sw/source/core/edit/edfldexp.cxx
new file mode 100644
index 000000000..3247d0500
--- /dev/null
+++ b/sw/source/core/edit/edfldexp.cxx
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <editsh.hxx>
+#include <dbfld.hxx>
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/sdb/DatabaseContext.hpp>
+#include <doc.hxx>
+#include <IDocumentFieldsAccess.hxx>
+#include <docary.hxx>
+#include <fmtfld.hxx>
+
+using namespace com::sun::star;
+
+bool SwEditShell::IsFieldDataSourceAvailable(OUString& rUsedDataSource) const
+{
+    const SwFieldTypes* pFieldTypes = GetDoc()->getIDocumentFieldsAccess().GetFieldTypes();
+    uno::Reference<uno::XComponentContext> xContext(::comphelper::getProcessComponentContext());
+    uno::Reference<sdb::XDatabaseContext> xDBContext = sdb::DatabaseContext::create(xContext);
+    std::vector<SwFormatField*> vFields;
+    for (const auto& pFieldType : *pFieldTypes)
+    {
+        if (IsUsed(*pFieldType) && pFieldType->Which() == SwFieldIds::Database)
+            pFieldType->GatherFields(vFields);
+    }
+    if (!vFields.size())
+        return true;
+
+    const SwDBData& rData
+        = static_cast<SwDBFieldType*>(vFields.front()->GetField()->GetTyp())->GetDBData();
+    try
+    {
+        return xDBContext->getByName(rData.sDataSource).hasValue();
+    }
+    catch (uno::Exception const&)
+    {
+        rUsedDataSource = rData.sDataSource;
+        return false;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */