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libreoffice/dbaccess/source/ui/browser/dbexchange.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

251 lines
9.6 KiB
C++

/* -*- 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 <dbexchange.hxx>
#include <sot/formats.hxx>
#include <sot/storage.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/sdb/CommandType.hpp>
#include <com/sun/star/sdb/XResultSetAccess.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <TokenWriter.hxx>
#include <svx/dataaccessdescriptor.hxx>
#include <UITools.hxx>
namespace dbaui
{
constexpr sal_uInt32 FORMAT_OBJECT_ID_RTF = 1;
constexpr sal_uInt32 FORMAT_OBJECT_ID_HTML = 2;
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::util;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::datatransfer;
using namespace ::svx;
namespace
{
template<class T > void lcl_setListener(const Reference<T>& _xComponent, const Reference< XEventListener >& i_rListener, const bool i_bAdd )
{
if ( !_xComponent.is() )
return;
Reference< XComponent> xCom( _xComponent, UNO_QUERY );
OSL_ENSURE( xCom.is(), "lcl_setListener: no component!" );
if ( !xCom.is() )
return;
i_bAdd ? xCom->addEventListener( i_rListener ) : xCom->removeEventListener( i_rListener );
}
}
ODataClipboard::ODataClipboard()
{
}
void ODataClipboard::Update(
const OUString& rDatasource,
const sal_Int32 nCommandType,
const OUString& rCommand,
const Reference< XConnection >& rxConnection,
const Reference< XNumberFormatter >& rxFormatter,
const Reference< XComponentContext >& rxORB)
{
ClearFormats();
ODataAccessObjectTransferable::Update(rDatasource, nCommandType, rCommand, rxConnection);
lcl_setListener(rxConnection, this, true);
m_pHtml.set(new OHTMLImportExport(getDescriptor(), rxORB, rxFormatter));
m_pRtf.set(new ORTFImportExport(getDescriptor(), rxORB, rxFormatter));
AddSupportedFormats();
}
void ODataClipboard::Update(
const OUString& rDatasource,
const sal_Int32 nCommandType,
const OUString& rCommand,
const Reference< XNumberFormatter >& rxFormatter,
const Reference< XComponentContext >& rxORB)
{
ClearFormats();
ODataAccessObjectTransferable::Update(rDatasource, nCommandType, rCommand);
m_pHtml.set(new OHTMLImportExport(getDescriptor(), rxORB, rxFormatter));
m_pRtf.set(new ORTFImportExport(getDescriptor(), rxORB, rxFormatter));
AddSupportedFormats();
}
ODataClipboard::ODataClipboard( const Reference< XPropertySet >& i_rAliveForm,
const Sequence< Any >& i_rSelectedRows,
const bool i_bBookmarkSelection,
const Reference< XComponentContext >& i_rORB )
:ODataAccessObjectTransferable( i_rAliveForm )
{
OSL_PRECOND( i_rORB.is(), "ODataClipboard::ODataClipboard: having no factory is not good ..." );
osl_atomic_increment( &m_refCount );
Reference<XConnection> xConnection;
getDescriptor()[ DataAccessDescriptorProperty::Connection ] >>= xConnection;
lcl_setListener( xConnection, this, true );
// do not pass the form itself as source result set, since the client might operate on the form, which
// might lead to undesired effects. Instead, use a clone.
Reference< XResultSet > xResultSetClone;
Reference< XResultSetAccess > xResultSetAccess( i_rAliveForm, UNO_QUERY );
if ( xResultSetAccess.is() )
xResultSetClone = xResultSetAccess->createResultSet();
OSL_ENSURE( xResultSetClone.is(), "ODataClipboard::ODataClipboard: could not clone the form's result set" );
lcl_setListener( xResultSetClone, this, true );
getDescriptor()[DataAccessDescriptorProperty::Cursor] <<= xResultSetClone;
getDescriptor()[DataAccessDescriptorProperty::Selection] <<= i_rSelectedRows;
getDescriptor()[DataAccessDescriptorProperty::BookmarkSelection]<<= i_bBookmarkSelection;
addCompatibleSelectionDescription( i_rSelectedRows );
if ( xConnection.is() && i_rORB.is() )
{
Reference< XNumberFormatter > xFormatter( getNumberFormatter( xConnection, i_rORB ) );
if ( xFormatter.is() )
{
m_pHtml.set( new OHTMLImportExport( getDescriptor(), i_rORB, xFormatter ) );
m_pRtf.set( new ORTFImportExport( getDescriptor(), i_rORB, xFormatter ) );
}
}
osl_atomic_decrement( &m_refCount );
}
bool ODataClipboard::WriteObject( SvStream& rOStm, void* pUserObject, sal_uInt32 nUserObjectId, const css::datatransfer::DataFlavor& /*rFlavor*/ )
{
if (nUserObjectId == FORMAT_OBJECT_ID_RTF || nUserObjectId == FORMAT_OBJECT_ID_HTML )
{
ODatabaseImportExport* pExport = static_cast<ODatabaseImportExport*>(pUserObject);
if ( pExport )
{
pExport->setStream(&rOStm);
return pExport->Write();
}
}
return false;
}
void ODataClipboard::AddSupportedFormats()
{
if ( m_pRtf.is() )
AddFormat( SotClipboardFormatId::RTF );
if ( m_pHtml.is() )
AddFormat( SotClipboardFormatId::HTML );
ODataAccessObjectTransferable::AddSupportedFormats();
}
bool ODataClipboard::GetData( const DataFlavor& rFlavor, const OUString& rDestDoc )
{
const SotClipboardFormatId nFormat = SotExchange::GetFormat(rFlavor);
switch (nFormat)
{
case SotClipboardFormatId::RTF:
if ( m_pRtf.is() )
m_pRtf->initialize(getDescriptor());
return m_pRtf.is() && SetObject( m_pRtf.get(), FORMAT_OBJECT_ID_RTF, rFlavor );
case SotClipboardFormatId::HTML:
if ( m_pHtml.is() )
m_pHtml->initialize(getDescriptor());
return m_pHtml.is() && SetObject( m_pHtml.get(), FORMAT_OBJECT_ID_HTML, rFlavor );
default: break;
}
return ODataAccessObjectTransferable::GetData(rFlavor, rDestDoc);
}
void ODataClipboard::ObjectReleased()
{
if ( m_pHtml.is() )
{
m_pHtml->dispose();
m_pHtml.clear();
}
if ( m_pRtf.is() )
{
m_pRtf->dispose();
m_pRtf.clear();
}
if ( getDescriptor().has( DataAccessDescriptorProperty::Connection ) )
{
Reference<XConnection> xConnection( getDescriptor()[DataAccessDescriptorProperty::Connection], UNO_QUERY );
lcl_setListener( xConnection, this, false );
}
if ( getDescriptor().has( DataAccessDescriptorProperty::Cursor ) )
{
Reference< XResultSet > xResultSet( getDescriptor()[ DataAccessDescriptorProperty::Cursor ], UNO_QUERY );
lcl_setListener( xResultSet, this, false );
}
ODataAccessObjectTransferable::ObjectReleased( );
}
void SAL_CALL ODataClipboard::disposing( const css::lang::EventObject& i_rSource )
{
ODataAccessDescriptor& rDescriptor( getDescriptor() );
if ( rDescriptor.has( DataAccessDescriptorProperty::Connection ) )
{
Reference< XConnection > xConnection( rDescriptor[DataAccessDescriptorProperty::Connection], UNO_QUERY );
if ( xConnection == i_rSource.Source )
{
rDescriptor.erase( DataAccessDescriptorProperty::Connection );
}
}
if ( rDescriptor.has( DataAccessDescriptorProperty::Cursor ) )
{
Reference< XResultSet > xResultSet( rDescriptor[ DataAccessDescriptorProperty::Cursor ], UNO_QUERY );
if ( xResultSet == i_rSource.Source )
{
rDescriptor.erase( DataAccessDescriptorProperty::Cursor );
// Selection and BookmarkSelection are meaningless without a result set
if ( rDescriptor.has( DataAccessDescriptorProperty::Selection ) )
rDescriptor.erase( DataAccessDescriptorProperty::Selection );
if ( rDescriptor.has( DataAccessDescriptorProperty::BookmarkSelection ) )
rDescriptor.erase( DataAccessDescriptorProperty::BookmarkSelection );
}
}
// no matter whether it was the source connection or the source result set which died,
// we cannot provide the data anymore.
ClearFormats();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */