edfldexp.cxx

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/* -*- 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;
    }
}
 
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