dbaobjectex.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 <svx/dbaobjectex.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/sdbcx/XTablesSupplier.hpp>
#include <com/sun/star/sdb/XSQLQueryComposerFactory.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <sot/formats.hxx>
#include <sot/exchange.hxx>
 
 
namespace svx
{
 
 
    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::beans;
    using namespace ::com::sun::star::sdb;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star::ucb;
    using namespace ::com::sun::star::sdbcx;
    using namespace ::com::sun::star::container;
    using namespace ::com::sun::star::datatransfer;
 
    OComponentTransferable::OComponentTransferable()
    {
    }
 
    void OComponentTransferable::Update(const OUString& rDatasourceOrLocation
            ,const Reference< XContent>& xContent)
    {
        ClearFormats();
 
        m_aDescriptor.setDataSource(rDatasourceOrLocation);
        m_aDescriptor[DataAccessDescriptorProperty::Component] <<= xContent;
 
        AddSupportedFormats();
    }
 
    SotClipboardFormatId OComponentTransferable::getDescriptorFormatId(bool _bExtractForm)
    {
        static SotClipboardFormatId s_nReportFormat = static_cast<SotClipboardFormatId>(-1);
        static SotClipboardFormatId s_nFormFormat = static_cast<SotClipboardFormatId>(-1);
        if ( _bExtractForm && static_cast<SotClipboardFormatId>(-1) == s_nFormFormat )
        {
            s_nFormFormat = SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"dbaccess.FormComponentDescriptorTransfer\"");
            OSL_ENSURE(static_cast<SotClipboardFormatId>(-1) != s_nFormFormat, "OComponentTransferable::getDescriptorFormatId: bad exchange id!");
        }
        else if ( !_bExtractForm && static_cast<SotClipboardFormatId>(-1) == s_nReportFormat)
        {
            s_nReportFormat = SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"dbaccess.ReportComponentDescriptorTransfer\"");
            OSL_ENSURE(static_cast<SotClipboardFormatId>(-1) != s_nReportFormat, "OComponentTransferable::getDescriptorFormatId: bad exchange id!");
        }
        return _bExtractForm ? s_nFormFormat : s_nReportFormat;
    }
 
 
    void OComponentTransferable::AddSupportedFormats()
    {
        bool bForm = true;
        try
        {
            Reference<XPropertySet> xProp;
            m_aDescriptor[DataAccessDescriptorProperty::Component] >>= xProp;
            if ( xProp.is() )
                xProp->getPropertyValue("IsForm") >>= bForm;
        }
        catch(const Exception&)
        {}
        AddFormat(getDescriptorFormatId(bForm));
    }
 
 
    bool OComponentTransferable::GetData( const DataFlavor& _rFlavor, const OUString& /*rDestDoc*/ )
    {
        const SotClipboardFormatId nFormatId = SotExchange::GetFormat(_rFlavor);
        if ( nFormatId == getDescriptorFormatId(true) || nFormatId == getDescriptorFormatId(false) )
            return SetAny( Any( m_aDescriptor.createPropertyValueSequence() ) );
 
        return false;
    }
 
 
    bool OComponentTransferable::canExtractComponentDescriptor(const DataFlavorExVector& _rFlavors, bool _bForm )
    {
        SotClipboardFormatId nFormatId = getDescriptorFormatId(_bForm);
        return std::any_of(_rFlavors.begin(), _rFlavors.end(),
            [&nFormatId](const DataFlavorEx& rCheck) { return nFormatId == rCheck.mnSotId; });
    }
 
 
    ODataAccessDescriptor OComponentTransferable::extractComponentDescriptor(const TransferableDataHelper& _rData)
    {
        bool bForm = _rData.HasFormat(getDescriptorFormatId(true));
        if ( bForm || _rData.HasFormat(getDescriptorFormatId(false)) )
        {
            // the object has a real descriptor object (not just the old compatible format)
 
            // extract the any from the transferable
            DataFlavor aFlavor;
            bool bSuccess =
                SotExchange::GetFormatDataFlavor(getDescriptorFormatId(bForm), aFlavor);
            OSL_ENSURE(bSuccess, "OComponentTransferable::extractColumnDescriptor: invalid data format (no flavor)!");
 
            Any aDescriptor = _rData.GetAny(aFlavor, OUString());
 
            // extract the property value sequence
            Sequence< PropertyValue > aDescriptorProps;
            bSuccess = aDescriptor >>= aDescriptorProps;
            OSL_ENSURE(bSuccess, "OComponentTransferable::extractColumnDescriptor: invalid clipboard format!");
 
            // build the real descriptor
            return ODataAccessDescriptor(aDescriptorProps);
        }
 
        return ODataAccessDescriptor();
    }
 
 
}
 
 
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