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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: filtermanager.cxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "connectivity/filtermanager.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/sdb/XSQLQueryComposerFactory.hpp>
/** === end UNO includes === **/
#include "TConnection.hxx"
#include <osl/diagnose.h>
#include "connectivity/dbtools.hxx"
//........................................................................
namespace dbtools
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace connectivity;
//====================================================================
//= FilterManager
//====================================================================
//--------------------------------------------------------------------
FilterManager::FilterManager( const Reference< XMultiServiceFactory >& _rxORB )
:m_xORB( _rxORB )
,m_aFilterComponents( FC_COMPONENT_COUNT )
,m_bApplyPublicFilter( true )
{
}
//--------------------------------------------------------------------
void FilterManager::initialize( const Reference< XPropertySet >& _rxComponentAggregate )
{
m_xComponentAggregate = _rxComponentAggregate;
OSL_ENSURE( m_xComponentAggregate.is(), "FilterManager::initialize: invalid arguments!" );
if ( m_xComponentAggregate.is() )
m_xComponentAggregate->setPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_APPLYFILTER), makeAny( (sal_Bool)sal_True ) );
}
//--------------------------------------------------------------------
void FilterManager::dispose( )
{
m_xComponentAggregate.clear();
}
//--------------------------------------------------------------------
const ::rtl::OUString& FilterManager::getFilterComponent( FilterComponent _eWhich ) const
{
return m_aFilterComponents[ _eWhich ];
}
//--------------------------------------------------------------------
void FilterManager::setFilterComponent( FilterComponent _eWhich, const ::rtl::OUString& _rComponent )
{
m_aFilterComponents[ _eWhich ] = _rComponent;
try
{
if ( m_xComponentAggregate.is() && (( _eWhich != fcPublicFilter ) || m_bApplyPublicFilter ) )
m_xComponentAggregate->setPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FILTER), makeAny( getComposedFilter() ) );
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "FilterManager::setFilterComponent: setting the filter failed!" );
}
}
//--------------------------------------------------------------------
void FilterManager::setApplyPublicFilter( sal_Bool _bApply )
{
if ( m_bApplyPublicFilter == _bApply )
return;
m_bApplyPublicFilter = _bApply;
try
{
if ( m_xComponentAggregate.is() && getFilterComponent( fcPublicFilter ).getLength() )
{ // only if there changed something
m_xComponentAggregate->setPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FILTER), makeAny( getComposedFilter() ) );
}
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "FilterManager::setApplyPublicFilter: setting the filter failed!" );
}
}
//--------------------------------------------------------------------
namespace
{
void lcl_ensureBracketed( ::rtl::OUString& /* [inout] */ _rExpression )
{
OSL_ENSURE( _rExpression.getLength(), "lcl_ensureBracketed: expression is empty!" );
if ( _rExpression.getLength() )
{
if ( ( _rExpression.getStr()[0] != '(' ) || ( _rExpression.getStr()[ _rExpression.getLength() - 1 ] != ')' ) )
{
::rtl::OUString sComposed( RTL_CONSTASCII_USTRINGPARAM( "(" ) );
sComposed += _rExpression;
sComposed += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ")" ) );
_rExpression = sComposed;
}
}
}
}
//--------------------------------------------------------------------
void FilterManager::appendFilterComponent( ::rtl::OUString& /* [inout] */ _rAppendTo, const ::rtl::OUString& _rComponent ) const
{
if ( _rAppendTo.getLength() )
_rAppendTo += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " AND " ) );
::rtl::OUString sComponent( _rComponent );
lcl_ensureBracketed( sComponent );
_rAppendTo += sComponent;
}
//--------------------------------------------------------------------
bool FilterManager::isThereAtMostOneComponent( ::rtl::OUString& _rOnlyComponent ) const
{
sal_Int32 nOnlyNonEmpty = -1;
sal_Int32 i;
for ( i = getFirstApplicableFilterIndex(); i < FC_COMPONENT_COUNT; ++i )
{
if ( m_aFilterComponents[ i ].getLength() )
{
if ( nOnlyNonEmpty != -1 )
// it's the second non-empty component
break;
else
nOnlyNonEmpty = i;
}
}
if ( nOnlyNonEmpty == -1 )
{
_rOnlyComponent = ::rtl::OUString();
return true;
}
if ( i == FC_COMPONENT_COUNT )
{
// we found only one non-empty filter component
_rOnlyComponent = m_aFilterComponents[ nOnlyNonEmpty ];
return true;
}
return false;
}
//--------------------------------------------------------------------
::rtl::OUString FilterManager::getComposedFilter( ) const
{
::rtl::OUString sComposedFilter;
// if we have only one non-empty component, then there's no need to compose anything
if ( isThereAtMostOneComponent( sComposedFilter ) )
return sComposedFilter;
// append the single components
for ( sal_Int32 i = getFirstApplicableFilterIndex(); i < FC_COMPONENT_COUNT; ++i )
appendFilterComponent( sComposedFilter, m_aFilterComponents[ i ] );
return sComposedFilter;
}
//........................................................................
} // namespace dbtools
//........................................................................
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