libreoffice/sw/source/core/edit/edfldexp.cxx

/* -*- 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 <dbmgr.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/sdb/DatabaseContext.hpp>
#include <doc.hxx>
#include <IDocumentFieldsAccess.hxx>
#include <docary.hxx>
#include <txtfld.hxx>
#include <fmtfld.hxx>
#include <edimp.hxx>
#include <flddat.hxx>
#include <calbck.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);
    for(const auto pFieldType : *pFieldTypes)
    {
        if(IsUsed(*pFieldType) && pFieldType->Which() == SwFieldIds::Database)
        {
            SwIterator<SwFormatField,SwFieldType> aIter( *pFieldType );
            SwFormatField* pFormatField = aIter.First();
            while(pFormatField)
            {
                if(pFormatField->IsFieldInDoc())
                {
                    const SwDBData& rData =
                            static_cast<SwDBFieldType*>(pFormatField->GetField()->GetTyp())->GetDBData();
                    try
                    {
                        return xDBContext->getByName(rData.sDataSource).hasValue();
                    }
                    catch(uno::Exception const &)
                    {
                        rUsedDataSource = rData.sDataSource;
                        return false;
                    }
                }
                pFormatField = aIter.Next();
            }
        }
    }
    return true;
}

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