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path: root/forms/source/component/ListBox.cxx
blob: 3be8f97f112b0a201e14d9625f387f12e239e68c (plain)
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * 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_forms.hxx"

#include "ListBox.hxx"
#include "property.hxx"
#include "property.hrc"
#include "services.hxx"
#include "frm_resource.hxx"
#include "frm_resource.hrc"
#include "BaseListBox.hxx"
#include "listenercontainers.hxx"
#include "componenttools.hxx"

/** === begin UNO includes === **/
#include <com/sun/star/util/XNumberFormatTypes.hpp>
#include <com/sun/star/sdbc/XRowSet.hpp>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/sdb/XSQLQueryComposerFactory.hpp>
#include <com/sun/star/sdb/XQueriesSupplier.hpp>
#include <com/sun/star/util/NumberFormat.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <com/sun/star/sdb/CommandType.hpp>
/** === end UNO includes === **/

#include <comphelper/basicio.hxx>
#include <comphelper/container.hxx>
#include <comphelper/numbers.hxx>
#include <comphelper/listenernotification.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/formattedcolumnvalue.hxx>
#include <connectivity/dbconversion.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <rtl/logfile.hxx>
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <unotools/sharedunocomponent.hxx>
#include <vcl/svapp.hxx>

#include <algorithm>
#include <functional>


//.........................................................................
namespace frm
{
    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::sdb;
    using namespace ::com::sun::star::sdbc;
    using namespace ::com::sun::star::sdbcx;
    using namespace ::com::sun::star::beans;
    using namespace ::com::sun::star::container;
    using namespace ::com::sun::star::form;
    using namespace ::com::sun::star::awt;
    using namespace ::com::sun::star::io;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star::util;
    using namespace ::com::sun::star::form::binding;
    using namespace ::dbtools;

    using ::connectivity::ORowSetValue;

    //==============================================================================
    //= helper
    //==============================================================================
    namespace
    {
        //--------------------------------------------------------------------------
        struct RowSetValueToString : public ::std::unary_function< ORowSetValue, ::rtl::OUString >
        {
            ::rtl::OUString operator()( const ORowSetValue& _value ) const
            {
                return _value.getString();
            }
        };

        //--------------------------------------------------------------------------
        struct AppendRowSetValueString : public ::std::unary_function< ::rtl::OUString, void >
        {
            AppendRowSetValueString( ::rtl::OUString& _string )
                :m_string( _string )
            {
            }

            void operator()( const ::rtl::OUString _append )
            {
                m_string += _append;
            }

        private:
            ::rtl::OUString&    m_string;
        };

        //--------------------------------------------------------------------------
        Sequence< ::rtl::OUString > lcl_convertToStringSequence( const ValueList& _values )
        {
            Sequence< ::rtl::OUString > aStrings( _values.size() );
            ::std::transform(
                _values.begin(),
                _values.end(),
                aStrings.getArray(),
                RowSetValueToString()
            );
            return aStrings;
        }
    }

    //==============================================================================
    //= ItemEventDescription
    //==============================================================================
    typedef ::comphelper::EventHolder< ItemEvent >    ItemEventDescription;

    //==============================================================================
    //= OListBoxModel
    //==============================================================================
    //------------------------------------------------------------------
    InterfaceRef SAL_CALL OListBoxModel_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory) throw (RuntimeException)
    {
        return *(new OListBoxModel(_rxFactory));
    }

    //------------------------------------------------------------------------------
    Sequence< Type> OListBoxModel::_getTypes()
    {
        return TypeBag(
            OBoundControlModel::_getTypes(),
            OEntryListHelper::getTypes(),
            OErrorBroadcaster::getTypes()
        ).getTypes();
    }


    DBG_NAME(OListBoxModel);
    //------------------------------------------------------------------
    OListBoxModel::OListBoxModel(const Reference<XMultiServiceFactory>& _rxFactory)
        :OBoundControlModel( _rxFactory, VCL_CONTROLMODEL_LISTBOX, FRM_SUN_CONTROL_LISTBOX, sal_True, sal_True, sal_True )
        // use the old control name for compytibility reasons
        ,OEntryListHelper( (OControlModel&)*this )
        ,OErrorBroadcaster( OComponentHelper::rBHelper )
        ,m_aListRowSet( getContext() )
        ,m_nNULLPos(-1)
        ,m_nBoundColumnType( DataType::SQLNULL )
    {
        DBG_CTOR(OListBoxModel,NULL);

        m_nClassId = FormComponentType::LISTBOX;
        m_eListSourceType = ListSourceType_VALUELIST;
        m_aBoundColumn <<= (sal_Int16)1;
        initValueProperty( PROPERTY_SELECT_SEQ, PROPERTY_ID_SELECT_SEQ);

        startAggregatePropertyListening( PROPERTY_STRINGITEMLIST );
    }

    //------------------------------------------------------------------
    OListBoxModel::OListBoxModel( const OListBoxModel* _pOriginal, const Reference<XMultiServiceFactory>& _rxFactory )
        :OBoundControlModel( _pOriginal, _rxFactory )
        ,OEntryListHelper( *_pOriginal, (OControlModel&)*this )
        ,OErrorBroadcaster( OComponentHelper::rBHelper )
        ,m_aListRowSet( getContext() )
        ,m_eListSourceType( _pOriginal->m_eListSourceType )
        ,m_aBoundColumn( _pOriginal->m_aBoundColumn )
        ,m_aListSourceValues( _pOriginal->m_aListSourceValues )
        ,m_aBoundValues( _pOriginal->m_aBoundValues )
        ,m_aDefaultSelectSeq( _pOriginal->m_aDefaultSelectSeq )
        ,m_nNULLPos(-1)
        ,m_nBoundColumnType( DataType::SQLNULL )
    {
        DBG_CTOR(OListBoxModel,NULL);

        startAggregatePropertyListening( PROPERTY_STRINGITEMLIST );
    }

    //------------------------------------------------------------------
    OListBoxModel::~OListBoxModel()
    {
        if (!OComponentHelper::rBHelper.bDisposed)
        {
            acquire();
            dispose();
        }

        DBG_DTOR(OListBoxModel,NULL);
    }

    // XCloneable
    //------------------------------------------------------------------------------
    IMPLEMENT_DEFAULT_CLONING( OListBoxModel )

    // XServiceInfo
    //------------------------------------------------------------------------------
    StringSequence SAL_CALL OListBoxModel::getSupportedServiceNames() throw(RuntimeException)
    {
        StringSequence aSupported = OBoundControlModel::getSupportedServiceNames();

        sal_Int32 nOldLen = aSupported.getLength();
        aSupported.realloc( nOldLen + 8 );
        ::rtl::OUString* pStoreTo = aSupported.getArray() + nOldLen;

        *pStoreTo++ = BINDABLE_CONTROL_MODEL;
        *pStoreTo++ = DATA_AWARE_CONTROL_MODEL;
        *pStoreTo++ = VALIDATABLE_CONTROL_MODEL;

        *pStoreTo++ = BINDABLE_DATA_AWARE_CONTROL_MODEL;
        *pStoreTo++ = VALIDATABLE_BINDABLE_CONTROL_MODEL;

        *pStoreTo++ = FRM_SUN_COMPONENT_LISTBOX;
        *pStoreTo++ = FRM_SUN_COMPONENT_DATABASE_LISTBOX;
        *pStoreTo++ = BINDABLE_DATABASE_LIST_BOX;

        return aSupported;
    }

    //------------------------------------------------------------------------------
    Any SAL_CALL OListBoxModel::queryAggregation(const Type& _rType) throw (RuntimeException)
    {
        Any aReturn = OBoundControlModel::queryAggregation( _rType );
        if ( !aReturn.hasValue() )
            aReturn = OEntryListHelper::queryInterface( _rType );
        if ( !aReturn.hasValue() )
            aReturn = OErrorBroadcaster::queryInterface( _rType );
        return aReturn;
    }

    // OComponentHelper
    //------------------------------------------------------------------------------
    void OListBoxModel::disposing()
    {
        OBoundControlModel::disposing();
        OEntryListHelper::disposing();
        OErrorBroadcaster::disposing();
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::getFastPropertyValue(Any& _rValue, sal_Int32 _nHandle) const
    {
        switch (_nHandle)
        {
        case PROPERTY_ID_BOUNDCOLUMN:
            _rValue <<= m_aBoundColumn;
            break;

        case PROPERTY_ID_LISTSOURCETYPE:
            _rValue <<= m_eListSourceType;
            break;

        case PROPERTY_ID_LISTSOURCE:
            _rValue <<= lcl_convertToStringSequence( m_aListSourceValues );
            break;

        case PROPERTY_ID_VALUE_SEQ:
            _rValue <<= lcl_convertToStringSequence( m_aBoundValues );
            break;

        case PROPERTY_ID_DEFAULT_SELECT_SEQ:
            _rValue <<= m_aDefaultSelectSeq;
            break;

        case PROPERTY_ID_STRINGITEMLIST:
            _rValue <<= getStringItemList();
            break;

        default:
            OBoundControlModel::getFastPropertyValue(_rValue, _nHandle);
        }
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::setFastPropertyValue_NoBroadcast(sal_Int32 _nHandle, const Any& _rValue) throw (com::sun::star::uno::Exception)
    {
        switch (_nHandle)
        {
        case PROPERTY_ID_BOUNDCOLUMN :
            DBG_ASSERT((_rValue.getValueType().getTypeClass() == TypeClass_SHORT) || (_rValue.getValueType().getTypeClass() == TypeClass_VOID),
                "OListBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" );
            m_aBoundColumn = _rValue;
            break;

        case PROPERTY_ID_LISTSOURCETYPE :
            DBG_ASSERT(_rValue.getValueType().equals(::getCppuType(reinterpret_cast<ListSourceType*>(NULL))),
                "OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" );
            _rValue >>= m_eListSourceType;
            break;

        case PROPERTY_ID_LISTSOURCE:
        {
            // extract
            Sequence< ::rtl::OUString > aListSource;
            OSL_VERIFY( _rValue >>= aListSource );

            // copy to member
            ValueList().swap(m_aListSourceValues);
            ::std::copy(
                aListSource.getConstArray(),
                aListSource.getConstArray() + aListSource.getLength(),
                ::std::insert_iterator< ValueList >( m_aListSourceValues, m_aListSourceValues.end() )
            );

            // propagate
            if ( m_eListSourceType == ListSourceType_VALUELIST )
            {
                m_aBoundValues = m_aListSourceValues;
            }
            else
            {
                if ( m_xCursor.is() && !hasField() && !hasExternalListSource() )
                    // listbox is already connected to a database, and no external list source
                    // data source changed -> refresh
                    loadData( false );
            }
        }
        break;

        case PROPERTY_ID_VALUE_SEQ :
            OSL_ENSURE( false, "ValueItemList is read-only!" );
            throw PropertyVetoException();

        case PROPERTY_ID_DEFAULT_SELECT_SEQ :
            DBG_ASSERT(_rValue.getValueType().equals(::getCppuType(reinterpret_cast< Sequence<sal_Int16>*>(NULL))),
                "OListBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" );
            _rValue >>= m_aDefaultSelectSeq;

            DBG_ASSERT(m_xAggregateFastSet.is(), "OListBoxModel::setFastPropertyValue_NoBroadcast(DEFAULT_SELECT_SEQ) : invalid aggregate !");
            if ( m_xAggregateFastSet.is() )
                setControlValue( _rValue, eOther );
            break;

        case PROPERTY_ID_STRINGITEMLIST:
        {
            ControlModelLock aLock( *this );
            setNewStringItemList( _rValue, aLock );
                // TODO: this is bogus. setNewStringItemList expects a guard which has the *only*
                // lock to the mutex, but setFastPropertyValue_NoBroadcast is already called with
                // a lock - so we effectively has two locks here, of which setNewStringItemList can
                // only control one.
        }
        resetNoBroadcast();
        break;

        default:
            OBoundControlModel::setFastPropertyValue_NoBroadcast(_nHandle, _rValue);
        }
    }

    //------------------------------------------------------------------------------
    sal_Bool OListBoxModel::convertFastPropertyValue(
        Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue)
        throw (IllegalArgumentException)
    {
        sal_Bool bModified(sal_False);
        switch (_nHandle)
        {
        case PROPERTY_ID_BOUNDCOLUMN :
            bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_aBoundColumn, ::getCppuType(reinterpret_cast<sal_Int16*>(NULL)));
            break;

        case PROPERTY_ID_LISTSOURCETYPE:
            bModified = tryPropertyValueEnum(_rConvertedValue, _rOldValue, _rValue, m_eListSourceType);
            break;

        case PROPERTY_ID_LISTSOURCE:
            bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, lcl_convertToStringSequence( m_aListSourceValues ) );
            break;

        case PROPERTY_ID_VALUE_SEQ :
            OSL_ENSURE( false, "ValueItemList is read-only!" );
            throw PropertyVetoException();

        case PROPERTY_ID_DEFAULT_SELECT_SEQ :
            bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_aDefaultSelectSeq);
            break;

        case PROPERTY_ID_STRINGITEMLIST:
            bModified = convertNewListSourceProperty( _rConvertedValue, _rOldValue, _rValue );
            break;

        default:
            return OBoundControlModel::convertFastPropertyValue(_rConvertedValue, _rOldValue, _nHandle, _rValue);
        }
        return bModified;
    }

    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxModel::setPropertyValues( const Sequence< ::rtl::OUString >& _rPropertyNames, const Sequence< Any >& _rValues ) throw(PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException)
    {
        // if both SelectedItems and StringItemList are set, care for this
        // #i27024# / 2004-04-05 / fs@openoffice.org
        const Any* pSelectSequenceValue = NULL;

        const ::rtl::OUString* pStartPos = _rPropertyNames.getConstArray();
        const ::rtl::OUString* pEndPos   = _rPropertyNames.getConstArray() + _rPropertyNames.getLength();
        const ::rtl::OUString* pSelectedItemsPos = ::std::find_if(
            pStartPos, pEndPos,
             ::std::bind2nd( ::std::equal_to< ::rtl::OUString >(), PROPERTY_SELECT_SEQ )
        );
        const ::rtl::OUString* pStringItemListPos = ::std::find_if(
            pStartPos, pEndPos,
             ::std::bind2nd( ::std::equal_to< ::rtl::OUString >(), PROPERTY_STRINGITEMLIST )
        );
        if ( ( pSelectedItemsPos != pEndPos ) && ( pStringItemListPos != pEndPos ) )
        {
            // both properties are present
            // -> remember the value for the select sequence
            pSelectSequenceValue = _rValues.getConstArray() + ( pSelectedItemsPos - pStartPos );
        }

        OBoundControlModel::setPropertyValues( _rPropertyNames, _rValues );

        if ( pSelectSequenceValue )
        {
            setPropertyValue( PROPERTY_SELECT_SEQ, *pSelectSequenceValue );
            // Note that this is the only reliable way, since one of the properties is implemented
            // by ourself, and one is implemented by the aggregate, we cannot rely on any particular
            // results when setting them both - too many undocumented behavior in all the involved
            // classes
        }
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::describeFixedProperties( Sequence< Property >& _rProps ) const
    {
        BEGIN_DESCRIBE_PROPERTIES( 7, OBoundControlModel )
            DECL_PROP1(TABINDEX,            sal_Int16,                      BOUND);
            DECL_PROP2(BOUNDCOLUMN,         sal_Int16,                      BOUND, MAYBEVOID);
            DECL_PROP1(LISTSOURCETYPE,      ListSourceType,                 BOUND);
            DECL_PROP1(LISTSOURCE,          StringSequence,                 BOUND);
            DECL_PROP3(VALUE_SEQ,           StringSequence,                 BOUND, READONLY, TRANSIENT);
            DECL_PROP1(DEFAULT_SELECT_SEQ,  Sequence<sal_Int16>,            BOUND);
            DECL_PROP1(STRINGITEMLIST,      Sequence< ::rtl::OUString >,    BOUND);
        END_DESCRIBE_PROPERTIES();
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::_propertyChanged( const PropertyChangeEvent& i_rEvent ) throw ( RuntimeException )
    {
        if ( i_rEvent.PropertyName == PROPERTY_STRINGITEMLIST )
        {
            ControlModelLock aLock( *this );
            // SYNCHRONIZED ----->
            // our aggregate internally changed its StringItemList property - reflect this in our "overridden"
            // version of the property
            setNewStringItemList( i_rEvent.NewValue, aLock );
            // <----- SYNCHRONIZED
            return;
        }
        OBoundControlModel::_propertyChanged( i_rEvent );
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::describeAggregateProperties( Sequence< Property >& _rAggregateProps ) const
    {
        OBoundControlModel::describeAggregateProperties( _rAggregateProps );

        // superseded properties:
        RemoveProperty( _rAggregateProps, PROPERTY_STRINGITEMLIST );
    }

    //------------------------------------------------------------------------------
    ::rtl::OUString SAL_CALL OListBoxModel::getServiceName() throw(RuntimeException)
    {
        return FRM_COMPONENT_LISTBOX;   // old (non-sun) name for compatibility !
    }

    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxModel::write(const Reference<XObjectOutputStream>& _rxOutStream)
        throw(IOException, RuntimeException)
    {
        OBoundControlModel::write(_rxOutStream);

        // Dummy-Seq, um Kompatible zu bleiben, wenn SelectSeq nicht mehr gespeichert wird
        Sequence<sal_Int16> aDummySeq;

        // Version
        // Version 0x0002: ListSource wird StringSeq
        _rxOutStream->writeShort(0x0004);

        // Maskierung fuer any
        sal_uInt16 nAnyMask = 0;
        if (m_aBoundColumn.getValueType().getTypeClass() != TypeClass_VOID)
            nAnyMask |= BOUNDCOLUMN;

        _rxOutStream << nAnyMask;

        _rxOutStream << lcl_convertToStringSequence( m_aListSourceValues );
        _rxOutStream << (sal_Int16)m_eListSourceType;
        _rxOutStream << aDummySeq;
        _rxOutStream << m_aDefaultSelectSeq;

        if ((nAnyMask & BOUNDCOLUMN) == BOUNDCOLUMN)
        {
            sal_Int16 nBoundColumn = 0;
            m_aBoundColumn >>= nBoundColumn;
            _rxOutStream << nBoundColumn;
        }
        writeHelpTextCompatibly(_rxOutStream);

        // from version 0x0004 : common properties
        writeCommonProperties(_rxOutStream);
    }

    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxModel::read(const Reference<XObjectInputStream>& _rxInStream) throw(IOException, RuntimeException)
    {
        // Bei manchen Variblen muessen Abhaengigkeiten beruecksichtigt werden.
        // Deshalb muessen sie explizit ueber setPropertyValue() gesetzt werden.

        OBoundControlModel::read(_rxInStream);
        ControlModelLock aLock( *this );

        // since we are "overwriting" the StringItemList of our aggregate (means we have
        // an own place to store the value, instead of relying on our aggregate storing it),
        // we need to respect what the aggregate just read for the StringItemList property.
        try
        {
            if ( m_xAggregateSet.is() )
                setNewStringItemList( m_xAggregateSet->getPropertyValue( PROPERTY_STRINGITEMLIST ), aLock );
        }
        catch( const Exception& )
        {
            OSL_ENSURE( sal_False, "OComboBoxModel::read: caught an exception while examining the aggregate's string item list!" );
        }

        // Version
        sal_uInt16 nVersion = _rxInStream->readShort();
        DBG_ASSERT(nVersion > 0, "OListBoxModel::read : version 0 ? this should never have been written !");

        if (nVersion > 0x0004)
        {
            DBG_ERROR("OListBoxModel::read : invalid (means unknown) version !");
            ValueList().swap(m_aListSourceValues);
            m_aBoundColumn <<= (sal_Int16)0;
            ValueList().swap(m_aBoundValues);
            m_eListSourceType = ListSourceType_VALUELIST;
            m_aDefaultSelectSeq.realloc(0);
            defaultCommonProperties();
            return;
        }

        // Maskierung fuer any
        sal_uInt16 nAnyMask;
        _rxInStream >> nAnyMask;

        // ListSourceSeq
        StringSequence aListSourceSeq;
        if (nVersion == 0x0001)
        {
            // ListSourceSeq aus String zusammenstellen;
            ::rtl::OUString sListSource;
            _rxInStream >> sListSource;

            sal_Int32 nTokens = 1;
            const sal_Unicode* pStr = sListSource.getStr();
            while ( *pStr )
            {
                if ( *pStr == ';' )
                    nTokens++;
                pStr++;
            }
            aListSourceSeq.realloc( nTokens );
            for (sal_uInt16 i=0; i<nTokens; ++i)
            {
                sal_Int32 nTmp = 0;
                aListSourceSeq.getArray()[i] = sListSource.getToken(i,';',nTmp);
            }
        }
        else
            _rxInStream >> aListSourceSeq;

        sal_Int16 nListSourceType;
        _rxInStream >> nListSourceType;
        m_eListSourceType = (ListSourceType)nListSourceType;
        Any aListSourceSeqAny;
        aListSourceSeqAny <<= aListSourceSeq;

        setFastPropertyValue(PROPERTY_ID_LISTSOURCE, aListSourceSeqAny );

        // Dummy-Seq, um Kompatible zu bleiben, wenn SelectSeq nicht mehr gespeichert wird
        Sequence<sal_Int16> aDummySeq;
        _rxInStream >> aDummySeq;

        // DefaultSelectSeq
        Sequence<sal_Int16> aDefaultSelectSeq;
        _rxInStream >> aDefaultSelectSeq;
        Any aDefaultSelectSeqAny;
        aDefaultSelectSeqAny <<= aDefaultSelectSeq;
        setFastPropertyValue(PROPERTY_ID_DEFAULT_SELECT_SEQ, aDefaultSelectSeqAny);

        // BoundColumn
        if ((nAnyMask & BOUNDCOLUMN) == BOUNDCOLUMN)
        {
            sal_Int16 nValue;
            _rxInStream >> nValue;
            m_aBoundColumn <<= nValue;
        }

        if (nVersion > 2)
            readHelpTextCompatibly(_rxInStream);

        // if our string list is not filled from the value list, we must empty it
        // this can be the case when somebody saves in alive mode
        if  (   ( m_eListSourceType != ListSourceType_VALUELIST )
            &&  !hasExternalListSource()
            )
        {
            setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( StringSequence() ) );
        }

        if (nVersion > 3)
            readCommonProperties(_rxInStream);

        // Nach dem Lesen die Defaultwerte anzeigen
        if ( getControlSource().getLength() )
            // (not if we don't have a control source - the "State" property acts like it is persistent, then
            resetNoBroadcast();
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::loadData( bool _bForce )
    {
        RTL_LOGFILE_CONTEXT( aLogContext, "OListBoxModel::loadData" );
        DBG_ASSERT( m_eListSourceType != ListSourceType_VALUELIST, "OListBoxModel::loadData: cannot load value list from DB!" );
        DBG_ASSERT( !hasExternalListSource(), "OListBoxModel::loadData: cannot load from DB when I have an external list source!" );

        const sal_Int16 nNULLPosBackup( m_nNULLPos );
        const sal_Int32 nBoundColumnTypeBackup( m_nBoundColumnType );
        m_nNULLPos = -1;
        m_nBoundColumnType = DataType::SQLNULL;

        // pre-requisites:
        // PRE1: connection
        Reference< XConnection > xConnection;
        // is the active connection of our form
        Reference< XPropertySet > xFormProps( m_xCursor, UNO_QUERY );
        if ( xFormProps.is() )
            xFormProps->getPropertyValue( PROPERTY_ACTIVE_CONNECTION ) >>= xConnection;

        // PRE2: list source
        ::rtl::OUString sListSource;
        // if our list source type is no value list, we need to concatenate
        // the single list source elements
        ::std::for_each(
            m_aListSourceValues.begin(),
            m_aListSourceValues.end(),
            AppendRowSetValueString( sListSource )
        );

        // outta here if we don't have all pre-requisites
        if ( !xConnection.is() || !sListSource.getLength() )
        {
            ValueList().swap(m_aBoundValues);
            return;
        }

        sal_Int16 nBoundColumn = 0;
        if (m_aBoundColumn.getValueType().getTypeClass() == TypeClass_SHORT)
            m_aBoundColumn >>= nBoundColumn;

        ::utl::SharedUNOComponent< XResultSet > xListCursor;
        try
        {
            m_aListRowSet.setConnection( xConnection );

            sal_Bool bExecute = sal_False;
            switch (m_eListSourceType)
            {
            case ListSourceType_TABLEFIELDS:
                // don't work with a statement here, the fields will be collected below
                break;

            case ListSourceType_TABLE:
                {
                    Reference<XNameAccess> xFieldsByName = getTableFields(xConnection, sListSource);
                    Reference<XIndexAccess> xFieldsByIndex(xFieldsByName, UNO_QUERY);

                    // do we have a bound column if yes we have to select it
                    // and the displayed column is the first column othwhise we act as a combobox
                    ::rtl::OUString aFieldName;
                    ::rtl::OUString aBoundFieldName;

                    if ((nBoundColumn > 0) && xFieldsByIndex.is())
                    {
                        if (xFieldsByIndex->getCount() <= nBoundColumn)
                            break;

                        Reference<XPropertySet> xFieldAsSet(xFieldsByIndex->getByIndex(nBoundColumn),UNO_QUERY);
                        xFieldAsSet->getPropertyValue(PROPERTY_NAME) >>= aBoundFieldName;
                        nBoundColumn = 1;

                        xFieldAsSet.set(xFieldsByIndex->getByIndex(0),UNO_QUERY);
                        xFieldAsSet->getPropertyValue(PROPERTY_NAME) >>= aFieldName;
                    }
                    else if (xFieldsByName.is())
                    {
                        if ( xFieldsByName->hasByName( getControlSource() ) )
                            aFieldName = getControlSource();
                        else
                        {
                            // otherwise look for the alias
                            Reference< XColumnsSupplier > xSupplyFields;
                            xFormProps->getPropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("SingleSelectQueryComposer"))) >>= xSupplyFields;

                            // search the field
                            DBG_ASSERT(xSupplyFields.is(), "OListBoxModel::loadData : invalid query composer !");

                            Reference<XNameAccess> xFieldNames = xSupplyFields->getColumns();
                            if ( xFieldNames->hasByName( getControlSource() ) )
                            {
                                Reference<XPropertySet> xComposerFieldAsSet;
                                xFieldNames->getByName( getControlSource() ) >>= xComposerFieldAsSet;
                                if (hasProperty(PROPERTY_FIELDSOURCE, xComposerFieldAsSet))
                                    xComposerFieldAsSet->getPropertyValue(PROPERTY_FIELDSOURCE) >>= aFieldName;
                            }
                        }
                    }
                    if (!aFieldName.getLength())
                        break;

                    Reference<XDatabaseMetaData> xMeta = xConnection->getMetaData();
                    ::rtl::OUString aQuote = xMeta->getIdentifierQuoteString();
                    ::rtl::OUString aStatement = ::rtl::OUString::createFromAscii("SELECT ");
                    if (!aBoundFieldName.getLength())   // act like a combobox
                        aStatement += ::rtl::OUString::createFromAscii("DISTINCT ");

                    aStatement += quoteName(aQuote,aFieldName);
                    if (aBoundFieldName.getLength())
                    {
                        aStatement += ::rtl::OUString::createFromAscii(", ");
                        aStatement += quoteName(aQuote, aBoundFieldName);
                    }
                    aStatement += ::rtl::OUString::createFromAscii(" FROM ");

                    ::rtl::OUString sCatalog, sSchema, sTable;
                    qualifiedNameComponents( xMeta, sListSource, sCatalog, sSchema, sTable, eInDataManipulation );
                    aStatement += composeTableNameForSelect( xConnection, sCatalog, sSchema, sTable );

                    m_aListRowSet.setEscapeProcessing( sal_False );
                    m_aListRowSet.setCommand( aStatement );
                    bExecute = sal_True;
                }
                break;

            case ListSourceType_QUERY:
                m_aListRowSet.setCommandFromQuery( sListSource );
                bExecute = sal_True;
                break;

            default:
                m_aListRowSet.setEscapeProcessing( ListSourceType_SQLPASSTHROUGH != m_eListSourceType );
                m_aListRowSet.setCommand( sListSource );
                bExecute = sal_True;
                break;
            }

            if (bExecute)
            {
                if ( !_bForce && !m_aListRowSet.isDirty() )
                {
                    // if none of the settings of the row set changed, compared to the last
                    // invocation of loadData, then don't re-fill the list. Instead, assume
                    // the list entries are the same.
                    m_nNULLPos = nNULLPosBackup;
                    m_nBoundColumnType = nBoundColumnTypeBackup;
                    return;
                }
                xListCursor.reset( m_aListRowSet.execute() );
            }
        }
        catch(SQLException& eSQL)
        {
            onError(eSQL, FRM_RES_STRING(RID_BASELISTBOX_ERROR_FILLLIST));
            return;
        }
        catch(const Exception& eUnknown)
        {
            (void)eUnknown;
            return;
        }

        // Anzeige- und Werteliste fuellen
        ValueList aDisplayList, aValueList;
        sal_Bool bUseNULL = hasField() && !isRequired();

        try
        {
            OSL_ENSURE( xListCursor.is() || ( ListSourceType_TABLEFIELDS == m_eListSourceType ),
                "OListBoxModel::loadData: logic error!" );
            if ( !xListCursor.is() && ( ListSourceType_TABLEFIELDS != m_eListSourceType ) )
                return;

            switch (m_eListSourceType)
            {
            case ListSourceType_SQL:
            case ListSourceType_SQLPASSTHROUGH:
            case ListSourceType_TABLE:
            case ListSourceType_QUERY:
                {
                    // Feld der 1. Column des ResultSets holen
                    Reference<XColumnsSupplier> xSupplyCols(xListCursor, UNO_QUERY);
                    DBG_ASSERT(xSupplyCols.is(), "OListBoxModel::loadData : cursor supports the row set service but is no column supplier?!");
                    Reference<XIndexAccess> xColumns;
                    if (xSupplyCols.is())
                    {
                        xColumns = Reference<XIndexAccess>(xSupplyCols->getColumns(), UNO_QUERY);
                        DBG_ASSERT(xColumns.is(), "OListBoxModel::loadData : no columns supplied by the row set !");
                    }

                    Reference< XPropertySet > xDataField;
                    if ( xColumns.is() )
                        xColumns->getByIndex(0) >>= xDataField;
                    if ( !xDataField.is() )
                        return;

                    ::dbtools::FormattedColumnValue aValueFormatter( getContext(), m_xCursor, xDataField );

                    // Feld der BoundColumn des ResultSets holen
                    m_nBoundColumnType = DataType::SQLNULL;
                    if ( ( nBoundColumn > 0 ) && m_xColumn.is() )
                    {   // don't look for a bound column if we're not connected to a field
                        try
                        {
                            Reference< XPropertySet > xBoundField( xColumns->getByIndex( nBoundColumn ), UNO_QUERY_THROW );
                            OSL_VERIFY( xBoundField->getPropertyValue( ::rtl::OUString::createFromAscii( "Type" ) ) >>= m_nBoundColumnType );
                        }
                        catch( const Exception& )
                        {
                            DBG_UNHANDLED_EXCEPTION();
                        }
                    }

                    //  Ist die LB an ein Feld gebunden und sind Leereintraege zulaessig
                    //  dann wird die Position fuer einen Leereintrag gemerkt

                    RTL_LOGFILE_CONTEXT( aLogContext, "OListBoxModel::loadData: string collection" );
                    ::rtl::OUString aStr;
                    sal_Int16 entryPos = 0;
                    ORowSetValue aBoundValue;
                    Reference< XRow > xCursorRow( xListCursor, UNO_QUERY_THROW );
                    while ( xListCursor->next() && ( entryPos++ < SHRT_MAX ) ) // SHRT_MAX is the maximum number of entries
                    {
                        aStr = aValueFormatter.getFormattedValue();
                        aDisplayList.push_back( aStr );

                        if ( impl_hasBoundComponent() )
                        {
                            aBoundValue.fill( nBoundColumn + 1, m_nBoundColumnType, xCursorRow );
                            aValueList.push_back( aBoundValue );
                        }

                        if ( bUseNULL && ( m_nNULLPos == -1 ) && !aStr.getLength() )
                            m_nNULLPos = sal_Int16( aDisplayList.size() - 1 );
                    }
                }
                break;

            case ListSourceType_TABLEFIELDS:
                {
                    Reference<XNameAccess> xFieldNames = getTableFields(xConnection, sListSource);
                    if (xFieldNames.is())
                    {
                        StringSequence seqNames = xFieldNames->getElementNames();
                        ::std::copy(
                            seqNames.getConstArray(),
                            seqNames.getConstArray() + seqNames.getLength(),
                            ::std::insert_iterator< ValueList >( aDisplayList, aDisplayList.end() )
                        );
                    }
                }
                break;
                default:
                    OSL_ENSURE( false, "OListBoxModel::loadData: unreachable!" );
                    break;
            }
        }
        catch(SQLException& eSQL)
        {
            onError(eSQL, FRM_RES_STRING(RID_BASELISTBOX_ERROR_FILLLIST));
            return;
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
            return;
        }


        // Value-Sequence erzeugen
        // NULL eintrag hinzufuegen
        if (bUseNULL && m_nNULLPos == -1)
        {
            if ( impl_hasBoundComponent() )
                aValueList.insert( aValueList.begin(), ORowSetValue() );

            aDisplayList.insert( aDisplayList.begin(), ORowSetValue( ::rtl::OUString() ) );
            m_nNULLPos = 0;
        }

        m_aBoundValues = aValueList;

        setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( lcl_convertToStringSequence( aDisplayList ) ) );
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::onConnectedDbColumn( const Reference< XInterface >& /*_rxForm*/ )
    {
        // list boxes which are bound to a db column don't have multi selection
        // - this would be unable to reflect in the db column
        if ( hasField() )
        {
            setFastPropertyValue( PROPERTY_ID_MULTISELECTION, ::cppu::bool2any( ( sal_False ) ) );
        }

        if ( !hasExternalListSource() )
            impl_refreshDbEntryList( false );
    }

    //------------------------------------------------------------------------------
    void OListBoxModel::onDisconnectedDbColumn()
    {
        if ( m_eListSourceType != ListSourceType_VALUELIST )
        {
            ValueList().swap(m_aBoundValues);
            m_nNULLPos = -1;
            m_nBoundColumnType = DataType::SQLNULL;

            if ( !hasExternalListSource() )
                setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( StringSequence() ) );

            m_aListRowSet.dispose();
        }
    }

    //------------------------------------------------------------------------------
    ValueList OListBoxModel::impl_getValues() const
    {
        if ( !m_aBoundValues.empty() )
            return m_aBoundValues;

        Sequence< ::rtl::OUString > aStringItems( getStringItemList() );
        ValueList aValues( aStringItems.getLength() );
        ::std::copy(
            aStringItems.getConstArray(),
            aStringItems.getConstArray() + aStringItems.getLength(),
            aValues.begin()
        );

        return aValues;
    }
    //------------------------------------------------------------------------------
    ORowSetValue OListBoxModel::getFirstSelectedValue() const
    {
        static const ORowSetValue s_aEmptyVaue;

        DBG_ASSERT( m_xAggregateFastSet.is(), "OListBoxModel::getFirstSelectedValue: invalid aggregate!" );
        if ( !m_xAggregateFastSet.is() )
            return s_aEmptyVaue;

        Sequence< sal_Int16 > aSelectedIndices;
        OSL_VERIFY( m_xAggregateFastSet->getFastPropertyValue( getValuePropertyAggHandle() ) >>= aSelectedIndices );
        if ( !aSelectedIndices.getLength() )
            // nothing selected at all
            return s_aEmptyVaue;

        if ( ( m_nNULLPos != -1 ) && ( aSelectedIndices[0] == m_nNULLPos ) )
            // the dedicated "NULL" entry is selected
            return s_aEmptyVaue;

        ValueList aValues( impl_getValues() );

        size_t selectedValue = aSelectedIndices[0];
        if ( selectedValue >= aValues.size() )
        {
            OSL_ENSURE( false, "OListBoxModel::getFirstSelectedValue: inconsistent selection/valuelist!" );
            return s_aEmptyVaue;
        }

        return aValues[ selectedValue ];
    }

    //------------------------------------------------------------------------------
    sal_Bool OListBoxModel::commitControlValueToDbColumn( bool /*_bPostReset*/ )
    {
        // current selektion list
        const ORowSetValue aCurrentValue( getFirstSelectedValue() );
        if ( aCurrentValue != m_aSaveValue )
        {
            if ( aCurrentValue.isNull() )
                m_xColumnUpdate->updateNull();
            else
            {
                try
                {
                    m_xColumnUpdate->updateObject( aCurrentValue.makeAny() );
                }
                catch ( const Exception& )
                {
                    return sal_False;
                }
            }
            m_aSaveValue = aCurrentValue;
        }
        return sal_True;
    }

    // XPropertiesChangeListener
    //------------------------------------------------------------------------------
    Any OListBoxModel::translateDbColumnToControlValue()
    {
        Reference< XPropertySet > xBoundField( getField() );
        if ( !xBoundField.is() )
        {
            OSL_ENSURE( false, "OListBoxModel::translateDbColumnToControlValue: no field? How could that happen?!" );
            return Any();
        }

        Sequence< sal_Int16 > aSelectionIndicies;

        ORowSetValue aCurrentValue;
        aCurrentValue.fill( impl_hasBoundComponent() ? m_nBoundColumnType : getFieldType(), m_xColumn );

        // reset selection for NULL values
        if ( aCurrentValue.isNull() )
        {
            if ( m_nNULLPos != -1 )
            {
                aSelectionIndicies.realloc(1);
                aSelectionIndicies[0] = m_nNULLPos;
            }
        }
        else
        {
            ValueList aValues( impl_getValues() );
            ValueList::const_iterator curValuePos = ::std::find( aValues.begin(), aValues.end(), aCurrentValue );
            if ( curValuePos != aValues.end() )
            {
                aSelectionIndicies.realloc( 1 );
                aSelectionIndicies[0] = curValuePos - aValues.begin();
            }
        }

        m_aSaveValue = aCurrentValue;

        return makeAny( aSelectionIndicies );
    }

    // XReset
    //------------------------------------------------------------------------------
    Any OListBoxModel::getDefaultForReset() const
    {
        Any aValue;
        if (m_aDefaultSelectSeq.getLength())
            aValue <<= m_aDefaultSelectSeq;
        else if (m_nNULLPos != -1)  // gebundene Listbox
        {
            Sequence<sal_Int16> aSeq(1);
            aSeq.getArray()[0] = m_nNULLPos;
            aValue <<= aSeq;
        }
        else
        {
            Sequence<sal_Int16> aSeq;
            aValue <<= aSeq;
        }

        return aValue;
    }

    //--------------------------------------------------------------------
    void OListBoxModel::resetNoBroadcast()
    {
        OBoundControlModel::resetNoBroadcast();
        m_aSaveValue.setNull();
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxModel::disposing( const EventObject& _rSource ) throw ( RuntimeException )
    {
        if ( !OEntryListHelper::handleDisposing( _rSource ) )
            OBoundControlModel::disposing( _rSource );
    }

    //--------------------------------------------------------------------
    namespace
    {
        /** type how we should transfer our selection to external value bindings
        */
        enum ExchangeType
        {
            eIndexList,     /// as list of indexes of selected entries
            eIndex,         /// as index of the selected entry
            eEntryList,     /// as list of string representations of selected entries
            eEntry          /// as string representation of the selected entry
        };

        //--------------------------------------------------------------------
        ExchangeType lcl_getCurrentExchangeType( const Type& _rExchangeType )
        {
            switch ( _rExchangeType.getTypeClass() )
            {
            case TypeClass_STRING:
                return eEntry;
            case TypeClass_LONG:
                return eIndex;
            case TypeClass_SEQUENCE:
            {
                Type aElementType = ::comphelper::getSequenceElementType( _rExchangeType );
                switch ( aElementType.getTypeClass() )
                {
                case TypeClass_STRING:
                    return eEntryList;
                case TypeClass_LONG:
                    return eIndexList;
                default:
                    break;
                }
            }
            default:
                break;
            }
            OSL_ENSURE( false, "lcl_getCurrentExchangeType: unsupported (unexpected) exchange type!" );
            return eEntry;
        }
    }

    //--------------------------------------------------------------------
    Any OListBoxModel::translateExternalValueToControlValue( const Any& _rExternalValue ) const
    {
        Sequence< sal_Int16 > aSelectIndexes;

        switch ( lcl_getCurrentExchangeType( getExternalValueType() ) )
        {
        case eIndexList:
        {
            // unfortunately, our select sequence is a sequence<short>, while the external binding
            // supplies sequence<int> only -> transform this
            Sequence< sal_Int32 > aSelectIndexesPure;
            OSL_VERIFY( _rExternalValue >>= aSelectIndexesPure );
            aSelectIndexes.realloc( aSelectIndexesPure.getLength() );
            ::std::copy(
                aSelectIndexesPure.getConstArray(),
                aSelectIndexesPure.getConstArray() + aSelectIndexesPure.getLength(),
                aSelectIndexes.getArray()
            );
        }
        break;

        case eIndex:
        {
            sal_Int32 nSelectIndex = -1;
            OSL_VERIFY( _rExternalValue >>= nSelectIndex );
            if ( ( nSelectIndex >= 0 ) && ( nSelectIndex < getStringItemList().getLength() ) )
            {
                aSelectIndexes.realloc( 1 );
                aSelectIndexes[ 0 ] = static_cast< sal_Int16 >( nSelectIndex );
            }
        }
        break;

        case eEntryList:
        {
            // we can retrieve a string list from the binding for multiple selection
            Sequence< ::rtl::OUString > aSelectEntries;
            OSL_VERIFY( _rExternalValue >>= aSelectEntries );

            ::std::set< sal_Int16 > aSelectionSet;

            // find the selection entries in our item list
            const ::rtl::OUString* pSelectEntries = aSelectEntries.getArray();
            const ::rtl::OUString* pSelectEntriesEnd = pSelectEntries + aSelectEntries.getLength();
            while ( pSelectEntries != pSelectEntriesEnd )
            {
                // the indexes where the current string appears in our string items
                Sequence< sal_Int16 > aThisEntryIndexes;
                aThisEntryIndexes = findValue( getStringItemList(), *pSelectEntries++, sal_False );

                // insert all the indexes of this entry into our set
                ::std::copy(
                    aThisEntryIndexes.getConstArray(),
                    aThisEntryIndexes.getConstArray() + aThisEntryIndexes.getLength(),
                    ::std::insert_iterator< ::std::set< sal_Int16 > >( aSelectionSet, aSelectionSet.begin() )
                );
            }

            // copy the indexes to the sequence
            aSelectIndexes.realloc( aSelectionSet.size() );
            ::std::copy(
                aSelectionSet.begin(),
                aSelectionSet.end(),
                aSelectIndexes.getArray()
            );
        }
        break;

        case eEntry:
        {
            ::rtl::OUString sStringToSelect;
            OSL_VERIFY( _rExternalValue >>= sStringToSelect );

            aSelectIndexes = findValue( getStringItemList(), sStringToSelect, sal_False );
        }
        break;
        }

        return makeAny( aSelectIndexes );
    }

    //--------------------------------------------------------------------
    namespace
    {
        //................................................................
        struct ExtractStringFromSequence_Safe : public ::std::unary_function< sal_Int16, ::rtl::OUString >
        {
        protected:
            const Sequence< ::rtl::OUString >&  m_rList;

        public:
            ExtractStringFromSequence_Safe( const Sequence< ::rtl::OUString >& _rList ) : m_rList( _rList ) { }

            ::rtl::OUString operator ()( sal_Int16 _nIndex )
            {
                OSL_ENSURE( _nIndex < m_rList.getLength(), "ExtractStringFromSequence_Safe: inconsistence!" );
                if ( _nIndex < m_rList.getLength() )
                    return m_rList[ _nIndex ];
                return ::rtl::OUString();
            }
        };

        //................................................................
        Any lcl_getSingleSelectedEntry( const Sequence< sal_Int16 >& _rSelectSequence, const Sequence< ::rtl::OUString >& _rStringList )
        {
            Any aReturn;

            // by definition, multiple selected entries are transfered as NULL if the
            // binding does not support string lists
            if ( _rSelectSequence.getLength() <= 1 )
            {
                ::rtl::OUString sSelectedEntry;

                if ( _rSelectSequence.getLength() == 1 )
                    sSelectedEntry = ExtractStringFromSequence_Safe( _rStringList )( _rSelectSequence[0] );

                aReturn <<= sSelectedEntry;
            }

            return aReturn;
        }

        //................................................................
        Any lcl_getMultiSelectedEntries( const Sequence< sal_Int16 >& _rSelectSequence, const Sequence< ::rtl::OUString >& _rStringList )
        {
            Sequence< ::rtl::OUString > aSelectedEntriesTexts( _rSelectSequence.getLength() );
            ::std::transform(
                _rSelectSequence.getConstArray(),
                _rSelectSequence.getConstArray() + _rSelectSequence.getLength(),
                aSelectedEntriesTexts.getArray(),
                ExtractStringFromSequence_Safe( _rStringList )
            );
            return makeAny( aSelectedEntriesTexts );
        }
    }

    //--------------------------------------------------------------------
    Any OListBoxModel::translateControlValueToExternalValue( ) const
    {
        OSL_PRECOND( hasExternalValueBinding(), "OListBoxModel::translateControlValueToExternalValue: no binding!" );

        Sequence< sal_Int16 > aSelectSequence;
        const_cast< OListBoxModel* >( this )->getPropertyValue( PROPERTY_SELECT_SEQ ) >>= aSelectSequence;

        Any aReturn;
        switch ( lcl_getCurrentExchangeType( getExternalValueType() ) )
        {
        case eIndexList:
        {
            // unfortunately, the select sequence is a sequence<short>, but our binding
            // expects int's
            Sequence< sal_Int32 > aTransformed( aSelectSequence.getLength() );
            ::std::copy(
                aSelectSequence.getConstArray(),
                aSelectSequence.getConstArray() + aSelectSequence.getLength(),
                aTransformed.getArray()
            );
            aReturn <<= aTransformed;
        }
        break;

        case eIndex:
        if ( aSelectSequence.getLength() <= 1 )
        {
            sal_Int32 nIndex = -1;

            if ( aSelectSequence.getLength() == 1 )
                nIndex = aSelectSequence[0];

            aReturn <<= nIndex;
        }
        break;

        case eEntryList:
            aReturn = lcl_getMultiSelectedEntries( aSelectSequence, getStringItemList() );
            break;

        case eEntry:
            aReturn = lcl_getSingleSelectedEntry( aSelectSequence, getStringItemList() );
            break;
        }

        return aReturn;
    }

    //--------------------------------------------------------------------
    Any OListBoxModel::getCurrentFormComponentValue() const
    {
        if ( hasValidator() )
            return OBoundControlModel::getCurrentFormComponentValue();

        Any aCurretnValue;

        try
        {
            Sequence< sal_Int16 > aSelectSequence;
            OSL_VERIFY( const_cast< OListBoxModel* >( this )->getPropertyValue( PROPERTY_SELECT_SEQ ) >>= aSelectSequence );

            sal_Bool bMultiSelection( sal_False );
            OSL_VERIFY( const_cast< OListBoxModel* >( this )->getPropertyValue( PROPERTY_MULTISELECTION ) >>= bMultiSelection );

            if ( bMultiSelection )
                aCurretnValue = lcl_getMultiSelectedEntries( aSelectSequence, getStringItemList() );
            else
                aCurretnValue = lcl_getSingleSelectedEntry( aSelectSequence, getStringItemList() );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }

        return aCurretnValue;
    }

    //--------------------------------------------------------------------
    Sequence< Type > OListBoxModel::getSupportedBindingTypes()
    {
        Sequence< Type > aTypes(4);
        aTypes[0] = ::getCppuType( static_cast< Sequence< sal_Int32 >* >( NULL ) );
        aTypes[1] = ::getCppuType( static_cast< sal_Int32* >( NULL ) );
        aTypes[2] = ::getCppuType( static_cast< Sequence< ::rtl::OUString >* >( NULL ) );
        aTypes[3] = ::getCppuType( static_cast< ::rtl::OUString* >( NULL ) );
        return aTypes;
    }

    //--------------------------------------------------------------------
    void OListBoxModel::stringItemListChanged( ControlModelLock& _rInstanceLock )
    {
        if ( !m_xAggregateSet.is() )
            return;

        suspendValueListening();
        try
        {
            m_xAggregateSet->setPropertyValue( PROPERTY_STRINGITEMLIST, makeAny( getStringItemList() ) );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }
        resumeValueListening();

        // update the selection here
        if ( hasExternalValueBinding( ) )
            transferExternalValueToControl( _rInstanceLock );
        else
        {
            if ( hasField() )
            {
                // TODO: update the selection in case we're bound to a database column
            }
            else
            {
                if ( m_aDefaultSelectSeq.getLength() )
                    setControlValue( makeAny( m_aDefaultSelectSeq ), eOther );
            }
        }
    }

    //--------------------------------------------------------------------
    void OListBoxModel::connectedExternalListSource( )
    {
        // TODO?
    }

    //--------------------------------------------------------------------
    void OListBoxModel::disconnectedExternalListSource( )
    {
        // TODO: in case we're part of an already loaded form, we should probably simulate
        // an onConnectedDbColumn, so our list get's filled with the data as indicated
        // by our SQL-binding related properties
    }

    //--------------------------------------------------------------------
    void OListBoxModel::impl_refreshDbEntryList( bool _bForce )
    {
        DBG_ASSERT( !hasExternalListSource(), "OListBoxModel::impl_refreshDbEntryList: invalid call!" );

        if  (   !hasExternalListSource( )
            &&  ( m_eListSourceType != ListSourceType_VALUELIST )
            &&  ( m_xCursor.is() )
            )
        {
            loadData( _bForce );
        }
    }

    //--------------------------------------------------------------------
    void OListBoxModel::refreshInternalEntryList()
    {
        impl_refreshDbEntryList( true );
        if ( hasField() && m_xCursor.is() )
            initFromField( m_xCursor );
    }

    //==================================================================
    // OListBoxControl
    //==================================================================

    //------------------------------------------------------------------
    InterfaceRef SAL_CALL OListBoxControl_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory) throw (RuntimeException)
    {
        return *(new OListBoxControl(_rxFactory));
    }

    //------------------------------------------------------------------------------
    Sequence< Type> OListBoxControl::_getTypes()
    {
        return TypeBag(
            OBoundControl::_getTypes(),
            OListBoxControl_BASE::getTypes()
        ).getTypes();
    }

    //------------------------------------------------------------------
    Any SAL_CALL OListBoxControl::queryAggregation(const Type& _rType) throw (RuntimeException)
    {
        Any aReturn = OListBoxControl_BASE::queryInterface( _rType );

        if  (   !aReturn.hasValue()
            ||  _rType.equals( XTypeProvider::static_type() )
            )
            aReturn = OBoundControl::queryAggregation( _rType );

        return aReturn;
    }

    DBG_NAME(OListBoxControl);
    //------------------------------------------------------------------------------
    OListBoxControl::OListBoxControl(const Reference<XMultiServiceFactory>& _rxFactory)
        :OBoundControl( _rxFactory, VCL_CONTROL_LISTBOX, sal_False )
        ,m_aChangeListeners( m_aMutex )
        ,m_aItemListeners( m_aMutex )
        ,m_pItemBroadcaster( NULL )
    {
        DBG_CTOR(OListBoxControl,NULL);

        increment(m_refCount);
        {
            // als FocusListener anmelden
            Reference<XWindow> xComp;
            if (query_aggregation(m_xAggregate, xComp))
                xComp->addFocusListener(this);

            // als ItemListener anmelden
            if ( query_aggregation( m_xAggregate, m_xAggregateListBox ) )
                m_xAggregateListBox->addItemListener(this);
        }
        // Refcount bei 2 fuer angemeldete Listener
        decrement(m_refCount);

        doSetDelegator();

        m_aChangeTimer.SetTimeout(500);
        m_aChangeTimer.SetTimeoutHdl(LINK(this,OListBoxControl,OnTimeout));
    }

    //------------------------------------------------------------------------------
    OListBoxControl::~OListBoxControl()
    {
        if (!OComponentHelper::rBHelper.bDisposed)
        {
            acquire();
            dispose();
        }

        doResetDelegator();
        m_xAggregateListBox.clear();

        DBG_DTOR(OListBoxControl,NULL);
    }

    //------------------------------------------------------------------------------
    StringSequence SAL_CALL OListBoxControl::getSupportedServiceNames() throw(RuntimeException)
    {
        StringSequence aSupported = OBoundControl::getSupportedServiceNames();
        aSupported.realloc(aSupported.getLength() + 1);

        ::rtl::OUString* pArray = aSupported.getArray();
        pArray[aSupported.getLength()-1] = FRM_SUN_CONTROL_LISTBOX;
        return aSupported;
    }


    // XFocusListener
    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxControl::focusGained(const FocusEvent& /*_rEvent*/) throw(RuntimeException)
    {
        ::osl::MutexGuard aGuard(m_aMutex);
        if ( m_aChangeListeners.getLength() ) // only if there are listeners
        {
            Reference<XPropertySet> xSet(getModel(), UNO_QUERY);
            if (xSet.is())
            {
                // memorize the current selection for posting the change event
                m_aCurrentSelection = xSet->getPropertyValue(PROPERTY_SELECT_SEQ);
            }
        }
    }

    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxControl::focusLost(const FocusEvent& /*_rEvent*/) throw(RuntimeException)
    {
        m_aCurrentSelection.clear();
    }

    // XItemListener
    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxControl::itemStateChanged(const ItemEvent& _rEvent) throw(RuntimeException)
    {
        // forward this to our listeners
        Reference< XChild > xChild( getModel(), UNO_QUERY );
        if ( xChild.is() && xChild->getParent().is() )
        {
            ::osl::MutexGuard aGuard( m_aMutex );
            if ( m_aItemListeners.getLength() )
            {
                if ( !m_pItemBroadcaster.is() )
                {
                    m_pItemBroadcaster.set( new ::comphelper::AsyncEventNotifier );
                    m_pItemBroadcaster->create();
                }
                m_pItemBroadcaster->addEvent( new ItemEventDescription( _rEvent ), this );
            }
        }
        else
            m_aItemListeners.notifyEach( &XItemListener::itemStateChanged, _rEvent );

        // and do the handling for the ChangeListeners
        ::osl::ClearableMutexGuard aGuard(m_aMutex);
        if ( m_aChangeTimer.IsActive() )
        {
            Reference<XPropertySet> xSet(getModel(), UNO_QUERY);
            m_aCurrentSelection = xSet->getPropertyValue(PROPERTY_SELECT_SEQ);

            m_aChangeTimer.Stop();
            m_aChangeTimer.Start();
        }
        else
        {
            if ( m_aChangeListeners.getLength() && m_aCurrentSelection.hasValue() )
            {
                Reference<XPropertySet> xSet(getModel(), UNO_QUERY);
                if (xSet.is())
                {
                    // Has the selection been changed?
                    sal_Bool bModified(sal_False);
                    Any aValue = xSet->getPropertyValue(PROPERTY_SELECT_SEQ);

                    Sequence<sal_Int16>& rSelection = *(Sequence<sal_Int16> *)aValue.getValue();
                    Sequence<sal_Int16>& rOldSelection = *(Sequence<sal_Int16> *)m_aCurrentSelection.getValue();
                    sal_Int32 nLen = rSelection.getLength();
                    if (nLen != rOldSelection.getLength())
                        bModified = sal_True;
                    else
                    {
                        const sal_Int16* pVal = rSelection.getConstArray();
                        const sal_Int16* pCompVal = rOldSelection.getConstArray();

                        while (nLen-- && !bModified)
                            bModified = pVal[nLen] != pCompVal[nLen];
                    }

                    if (bModified)
                    {
                        m_aCurrentSelection = aValue;
                        m_aChangeTimer.Start();
                    }
                }
            }
            else if (m_aCurrentSelection.hasValue())
                m_aCurrentSelection.clear();
        }
    }

    // XEventListener
    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxControl::disposing(const EventObject& _rSource) throw (RuntimeException)
    {
        OBoundControl::disposing(_rSource);
    }

    // XChangeBroadcaster
    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxControl::addChangeListener(const Reference<XChangeListener>& _rxListener) throw(RuntimeException)
    {
        m_aChangeListeners.addInterface( _rxListener );
    }

    //------------------------------------------------------------------------------
    void SAL_CALL OListBoxControl::removeChangeListener(const Reference<XChangeListener>& _rxListener) throw(RuntimeException)
    {
        m_aChangeListeners.removeInterface( _rxListener );
    }

    // OComponentHelper
    //------------------------------------------------------------------------------
    void OListBoxControl::disposing()
    {
        if (m_aChangeTimer.IsActive())
            m_aChangeTimer.Stop();

        EventObject aEvent( *this );
        m_aChangeListeners.disposeAndClear( aEvent );
        m_aItemListeners.disposeAndClear( aEvent );

        {
            ::osl::MutexGuard aGuard( m_aMutex );
            if ( m_pItemBroadcaster.is() )
            {
                m_pItemBroadcaster->removeEventsForProcessor( this );
                m_pItemBroadcaster->terminate();
                m_pItemBroadcaster = NULL;
            }
        }

        OBoundControl::disposing();
    }

    //------------------------------------------------------------------------------
    void OListBoxControl::processEvent( const AnyEvent& _rEvent )
    {
        Reference< XListBox > xKeepAlive( this );
        {
            ::osl::MutexGuard aGuard( m_aMutex );
            if ( OComponentHelper::rBHelper.bDisposed )
                return;
        }
        const ItemEventDescription& rItemEvent = static_cast< const ItemEventDescription& >( _rEvent );
        m_aItemListeners.notifyEach( &XItemListener::itemStateChanged, rItemEvent.getEventObject() );
    }

    //------------------------------------------------------------------------------
    IMPL_LINK(OListBoxControl, OnTimeout, void*, /*EMPTYTAG*/)
    {
        m_aChangeListeners.notifyEach( &XChangeListener::changed, EventObject( *this ) );
        return 0L;
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::addItemListener( const Reference< XItemListener >& l ) throw (RuntimeException)
    {
        m_aItemListeners.addInterface( l );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::removeItemListener( const Reference< XItemListener >& l ) throw (RuntimeException)
    {
        m_aItemListeners.removeInterface( l );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::addActionListener( const Reference< XActionListener >& l ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->addActionListener( l );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::removeActionListener( const Reference< XActionListener >& l ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->removeActionListener( l );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::addItem( const ::rtl::OUString& aItem, ::sal_Int16 nPos ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->addItem( aItem, nPos );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::addItems( const Sequence< ::rtl::OUString >& aItems, ::sal_Int16 nPos ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->addItems( aItems, nPos );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::removeItems( ::sal_Int16 nPos, ::sal_Int16 nCount ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->removeItems( nPos, nCount );
    }

    //--------------------------------------------------------------------
    ::sal_Int16 SAL_CALL OListBoxControl::getItemCount(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getItemCount();
        return 0;
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL OListBoxControl::getItem( ::sal_Int16 nPos ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getItem( nPos );
        return ::rtl::OUString( );
    }

    //--------------------------------------------------------------------
    Sequence< ::rtl::OUString > SAL_CALL OListBoxControl::getItems(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getItems();
        return Sequence< ::rtl::OUString >( );
    }

    //--------------------------------------------------------------------
    ::sal_Int16 SAL_CALL OListBoxControl::getSelectedItemPos(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getSelectedItemPos();
        return 0;
    }

    //--------------------------------------------------------------------
    Sequence< ::sal_Int16 > SAL_CALL OListBoxControl::getSelectedItemsPos(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getSelectedItemsPos();
        return Sequence< ::sal_Int16 >( );
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL OListBoxControl::getSelectedItem(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getSelectedItem();
        return ::rtl::OUString( );
    }

    //--------------------------------------------------------------------
    Sequence< ::rtl::OUString > SAL_CALL OListBoxControl::getSelectedItems(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getSelectedItems();
        return Sequence< ::rtl::OUString >( );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::selectItemPos( ::sal_Int16 nPos, ::sal_Bool bSelect ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->selectItemPos( nPos, bSelect );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::selectItemsPos( const Sequence< ::sal_Int16 >& aPositions, ::sal_Bool bSelect ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->selectItemsPos( aPositions, bSelect );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::selectItem( const ::rtl::OUString& aItem, ::sal_Bool bSelect ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->selectItem( aItem, bSelect );
    }

    //--------------------------------------------------------------------
    ::sal_Bool SAL_CALL OListBoxControl::isMutipleMode(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->isMutipleMode();
        return sal_False;
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::setMultipleMode( ::sal_Bool bMulti ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->setMultipleMode( bMulti );
    }

    //--------------------------------------------------------------------
    ::sal_Int16 SAL_CALL OListBoxControl::getDropDownLineCount(  ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            return m_xAggregateListBox->getDropDownLineCount();
        return 0;
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::setDropDownLineCount( ::sal_Int16 nLines ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->setDropDownLineCount( nLines );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OListBoxControl::makeVisible( ::sal_Int16 nEntry ) throw (RuntimeException)
    {
        if ( m_xAggregateListBox.is() )
            m_xAggregateListBox->makeVisible( nEntry );
    }

//.........................................................................
}
//.........................................................................

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */