/*************************************************************************
 *
 * 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: forms_ComboBox.cxx,v $
 * $Revision: 1.10 $
 *
 * 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.
 *
 ************************************************************************/

#ifndef _COMPHELPER_PROPERTY_ARRAY_HELPER_HXX_
#include <comphelper/proparrhlp.hxx>
#endif

#ifndef _FORMS_COMBOBOX_HXX_
#include "ComboBox.hxx"
#endif
#ifndef _FRM_PROPERTY_HRC_
#include "property.hrc"
#endif
#ifndef _FRM_SERVICES_HXX_
#include "services.hxx"
#endif
#ifndef _FRM_RESOURCE_HXX_
#include "frm_resource.hxx"
#endif
#ifndef _FRM_RESOURCE_HRC_
#include "frm_resource.hrc"
#endif
#ifndef _FORMS_BASELISTBOX_HXX_
#include "BaseListBox.hxx"
#endif
#ifndef _COMPHELPER_NUMBERS_HXX_
#include <comphelper/numbers.hxx>
#endif
#ifndef _CONNECTIVITY_DBTOOLS_HXX_
#include <connectivity/dbtools.hxx>
#endif
#ifndef _DBHELPER_DBCONVERSION_HXX_
#include <connectivity/dbconversion.hxx>
#endif

#ifndef _COM_SUN_STAR_CONTAINER_XINDEXACCESS_HPP_
#include <com/sun/star/container/XIndexAccess.hpp>
#endif
#ifndef _COM_SUN_STAR_SDB_XSQLQUERYCOMPOSERFACTORY_HPP_
#include <com/sun/star/sdb/XSQLQueryComposerFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_SDB_XQUERIESSUPPLIER_HPP_
#include <com/sun/star/sdb/XQueriesSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_UTIL_NUMBERFORMAT_HPP_
#include <com/sun/star/util/NumberFormat.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XCONNECTION_HPP_
#include <com/sun/star/sdbc/XConnection.hpp>
#endif

#ifndef _COM_SUN_STAR_FORM_FORMCOMPONENTTYPE_HPP_
#include <com/sun/star/form/FormComponentType.hpp>
#endif

#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBUTE_HPP_
#include <com/sun/star/beans/PropertyAttribute.hpp>
#endif

#ifndef _COMPHELPER_PROPERTY_HXX_
#include <comphelper/property.hxx>
#endif

#ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#endif

#include <limits.h>

namespace binfilter {

	using namespace ::dbtools;

//.........................................................................
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;

//========================================================================
// class OComboBoxModel
//========================================================================
sal_Int32 OComboBoxModel::nTextHandle = -1;

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

//------------------------------------------------------------------------------
Sequence<Type> OComboBoxModel::_getTypes()
{
	return ::comphelper::concatSequences(
		OBoundControlModel::_getTypes(),
		OErrorBroadcaster::getTypes()
	);
}

// XServiceInfo
//------------------------------------------------------------------------------
StringSequence SAL_CALL OComboBoxModel::getSupportedServiceNames() throw(RuntimeException)
{
	StringSequence aSupported = OBoundControlModel::getSupportedServiceNames();
	aSupported.realloc(aSupported.getLength() + 2);

	::rtl::OUString* pArray = aSupported.getArray();
	pArray[aSupported.getLength()-2] = FRM_SUN_COMPONENT_DATABASE_COMBOBOX;
	pArray[aSupported.getLength()-1] = FRM_SUN_COMPONENT_COMBOBOX;
	return aSupported;
}

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

//------------------------------------------------------------------
DBG_NAME( OComboBoxModel )
//------------------------------------------------------------------
OComboBoxModel::OComboBoxModel(const Reference<XMultiServiceFactory>& _rxFactory)
	:OBoundControlModel(_rxFactory, VCL_CONTROLMODEL_COMBOBOX, FRM_CONTROL_COMBOBOX)
					// use the old control name for compytibility reasons
	,OErrorBroadcaster( OComponentHelper::rBHelper )
	,m_eListSourceType(ListSourceType_TABLE)
	,m_bEmptyIsNull(sal_True)
	,m_aNullDate(DBTypeConversion::getStandardDate())
	,m_nKeyType(NumberFormat::UNDEFINED)
	,m_nFormatKey(0)
	,m_nFieldType(DataType::OTHER)
{
	DBG_CTOR( OComboBoxModel, NULL );

	m_nClassId = FormComponentType::COMBOBOX;
	m_sDataFieldConnectivityProperty = PROPERTY_TEXT;
	if (OComboBoxModel::nTextHandle == -1)
		OComboBoxModel::nTextHandle = getOriginalHandle(PROPERTY_ID_TEXT);
}

//------------------------------------------------------------------
OComboBoxModel::OComboBoxModel( const OComboBoxModel* _pOriginal, const Reference<XMultiServiceFactory>& _rxFactory )
	:OBoundControlModel( _pOriginal, _rxFactory )
	,OErrorBroadcaster( OComponentHelper::rBHelper )
	,m_aNullDate(DBTypeConversion::getStandardDate())
	,m_nKeyType(NumberFormat::UNDEFINED)
	,m_nFormatKey(0)
	,m_nFieldType(DataType::OTHER)
{
	DBG_CTOR( OComboBoxModel, NULL );

	m_eListSourceType = _pOriginal->m_eListSourceType;
	m_bEmptyIsNull = _pOriginal->m_bEmptyIsNull;
	m_aListSource = _pOriginal->m_aListSource;
	m_aDefaultText = _pOriginal->m_aDefaultText;
}

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

	DBG_DTOR( OComboBoxModel, NULL );
}

// XCloneable
//------------------------------------------------------------------------------
IMPLEMENT_DEFAULT_CLONING( OComboBoxModel )

//------------------------------------------------------------------------------
void OComboBoxModel::disposing()
{
	OBoundControlModel::disposing();
	OErrorBroadcaster::disposing();
	m_xFormatter = NULL;
}

//------------------------------------------------------------------------------
void OComboBoxModel::getFastPropertyValue(Any& _rValue, sal_Int32 _nHandle) const
{
	switch (_nHandle)
	{
		case PROPERTY_ID_LISTSOURCETYPE : _rValue <<= m_eListSourceType; break;
		case PROPERTY_ID_LISTSOURCE 	: _rValue <<= m_aListSource; break;
		case PROPERTY_ID_EMPTY_IS_NULL	: _rValue <<= m_bEmptyIsNull; break;
		case PROPERTY_ID_DEFAULT_TEXT	: _rValue <<= m_aDefaultText; break;
		default:
			OBoundControlModel::getFastPropertyValue(_rValue, _nHandle);
	}
}

//------------------------------------------------------------------------------
void OComboBoxModel::setFastPropertyValue_NoBroadcast(sal_Int32 _nHandle, const Any& _rValue)
						throw (Exception)
{
	switch (_nHandle)
	{
		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 :
						DBG_ASSERT(_rValue.getValueType().getTypeClass() == TypeClass_STRING,
				"OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" );
			_rValue >>= m_aListSource;
			// die ListSource hat sich geaendert -> neu laden
			if (ListSourceType_VALUELIST != m_eListSourceType)
			{
				if (m_xCursor.is() && !getField().is()) // combobox bereits mit Datenbank verbunden ?
					// neu laden
					loadData();
			}
			break;

		case PROPERTY_ID_EMPTY_IS_NULL :
						DBG_ASSERT(_rValue.getValueType().getTypeClass() == TypeClass_BOOLEAN,
				"OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" );
			_rValue >>= m_bEmptyIsNull;
			break;

		case PROPERTY_ID_DEFAULT_TEXT :
						DBG_ASSERT(_rValue.getValueType().getTypeClass() == TypeClass_STRING,
				"OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" );
			_rValue >>= m_aDefaultText;
			_reset();
			break;

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

//------------------------------------------------------------------------------
sal_Bool OComboBoxModel::convertFastPropertyValue(
						Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue)
						throw (IllegalArgumentException)
{
	sal_Bool bModified(sal_False);
	switch (_nHandle)
	{
		case PROPERTY_ID_LISTSOURCETYPE :
			bModified = tryPropertyValueEnum(_rConvertedValue, _rOldValue, _rValue, m_eListSourceType);
			break;

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

		case PROPERTY_ID_EMPTY_IS_NULL :
			bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_bEmptyIsNull);
			break;

		case PROPERTY_ID_DEFAULT_TEXT :
			bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_aDefaultText);
			break;

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

//------------------------------------------------------------------------------
Reference<XPropertySetInfo> SAL_CALL OComboBoxModel::getPropertySetInfo() throw(RuntimeException)
{
		Reference<XPropertySetInfo> xInfo( createPropertySetInfo( getInfoHelper() ) );
	return xInfo;
}

//------------------------------------------------------------------------------
cppu::IPropertyArrayHelper& OComboBoxModel::getInfoHelper()
{
	return *const_cast<OComboBoxModel*>(this)->getArrayHelper();
}

//------------------------------------------------------------------------------
void OComboBoxModel::fillProperties(
				Sequence< Property >& _rProps,
				Sequence< Property >& _rAggregateProps ) const
{
	FRM_BEGIN_PROP_HELPER(12)
		DECL_PROP2(CLASSID, 			sal_Int16,					READONLY, TRANSIENT);
		DECL_PROP1(NAME,				::rtl::OUString,			BOUND);
		DECL_PROP1(TAG, 				::rtl::OUString,			BOUND);
		DECL_PROP1(TABINDEX,			sal_Int16,					BOUND);
		DECL_PROP1(LISTSOURCETYPE,		ListSourceType, BOUND);
		DECL_PROP1(LISTSOURCE,			::rtl::OUString,			BOUND);
		DECL_BOOL_PROP1(EMPTY_IS_NULL,								BOUND);
		DECL_PROP1(DEFAULT_TEXT,		::rtl::OUString,			BOUND);
		DECL_PROP1(CONTROLSOURCE,		::rtl::OUString,			BOUND);
		DECL_IFACE_PROP3(BOUNDFIELD,	XPropertySet,				BOUND,READONLY, TRANSIENT);
		DECL_IFACE_PROP2(CONTROLLABEL,	XPropertySet,				BOUND, MAYBEVOID);
		DECL_PROP2(CONTROLSOURCEPROPERTY,	rtl::OUString,			READONLY, TRANSIENT);
	FRM_END_PROP_HELPER();
}

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

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

	// Version
	// Version 0x0002:	EmptyIsNull
	// Version 0x0003:	ListSource->Seq
	// Version 0x0004:	DefaultText
	// Version 0x0005:	HelpText
	_rxOutStream->writeShort(0x0006);

	// Maskierung fuer any
	sal_uInt16 nAnyMask = 0;
	if (m_aBoundColumn.getValueType().getTypeClass() == TypeClass_SHORT)
		nAnyMask |= BOUNDCOLUMN;
	_rxOutStream << nAnyMask;

	StringSequence aListSourceSeq(&m_aListSource, 1);
	_rxOutStream << aListSourceSeq;
	_rxOutStream << (sal_Int16)m_eListSourceType;

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

	_rxOutStream << (sal_Bool)m_bEmptyIsNull;
	_rxOutStream << m_aDefaultText;
	writeHelpTextCompatibly(_rxOutStream);

	// from version 0x0006 : common properties
	writeCommonProperties(_rxOutStream);
}

//------------------------------------------------------------------------------
void SAL_CALL OComboBoxModel::read(const Reference<stario::XObjectInputStream>& _rxInStream) throw(stario::IOException, RuntimeException)
{
	OBoundControlModel::read(_rxInStream);
	::osl::MutexGuard aGuard(m_aMutex);

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

	if (nVersion > 0x0006)
	{
		DBG_ERROR("OComboBoxModel::read : invalid (means unknown) version !");
		m_aListSource = ::rtl::OUString();
		m_aBoundColumn <<= (sal_Int16)0;
		m_aDefaultText = ::rtl::OUString();
		m_eListSourceType = ListSourceType_TABLE;
		m_bEmptyIsNull = sal_True;
		defaultCommonProperties();
		return;
	}

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

	// ListSource
	if (nVersion < 0x0003)
	{
		::rtl::OUString sListSource;
		_rxInStream >> m_aListSource;
	}
	else // nVersion == 4
	{
		m_aListSource = ::rtl::OUString();
		StringSequence aListSource;
		_rxInStream >> aListSource;
		const ::rtl::OUString* pToken = aListSource.getConstArray();
		sal_Int32 nLen = aListSource.getLength();
		for (sal_Int32 i = 0; i < nLen; ++i, ++pToken)
			m_aListSource += *pToken;
	}

	sal_Int16 nValue;
	_rxInStream >> nValue;
	m_eListSourceType = (ListSourceType)nValue;

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

	if (nVersion > 0x0001)
	{
		sal_Bool bNull;
		_rxInStream >> bNull;
		m_bEmptyIsNull = bNull;
	}

	if (nVersion > 0x0003)	// nVersion == 4
		_rxInStream >> m_aDefaultText;

    // Stringliste muss geleert werden, wenn eine Listenquelle gesetzt ist
	// dieses kann der Fall sein wenn im alive modus gespeichert wird
	if (m_aListSource.getLength() && m_xAggregateSet.is())
	{
		StringSequence aSequence;
		m_xAggregateSet->setPropertyValue(PROPERTY_STRINGITEMLIST, makeAny(aSequence));
	}

	if (nVersion > 0x0004)
		readHelpTextCompatibly(_rxInStream);

	if (nVersion > 0x0005)
		readCommonProperties(_rxInStream);

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

//------------------------------------------------------------------------------
void OComboBoxModel::loadData()
{
	DBG_ASSERT(m_eListSourceType != ListSourceType_VALUELIST, "OComboBoxModel::loadData : do not call for a value list !");
	////
	// Connection holen
	Reference<XRowSet> xForm(m_xCursor, UNO_QUERY);
	if (!xForm.is())
		return;
	Reference<XConnection> xConnection = getConnection(xForm);
	if (!xConnection.is())
		return;

	// we need a com::sun::star::sdb::Connection for some of the code below ...
	Reference<XServiceInfo> xServiceInfo(xConnection, UNO_QUERY);
	if (!xServiceInfo.is() || !xServiceInfo->supportsService(SRV_SDB_CONNECTION))
	{
		DBG_ERROR("OComboBoxModel::loadData : invalid connection !");
		return;
	}

	Reference<XStatement> xStmt;
	Reference<XResultSet> xListCursor;

	if (!m_aListSource.getLength() || m_eListSourceType == ListSourceType_VALUELIST)
		return;

	try
	{
		switch (m_eListSourceType)
		{
			case ListSourceType_TABLEFIELDS:
				// don't work with a statement here, the fields will be collected below
				break;
			case ListSourceType_TABLE:
			{
				// does the bound field belong to the table ?
				// if we use an alias for the bound field, we won't find it
				// in that case we use the first field of the table

				Reference<XNameAccess> xFieldsByName = getTableFields(xConnection, m_aListSource);
				Reference<XIndexAccess> xFieldsByIndex(xFieldsByName, UNO_QUERY);

				::rtl::OUString aFieldName;
				if (xFieldsByName.is() && xFieldsByName->hasByName(m_aControlSource))
				{
					aFieldName = m_aControlSource;
				}
				else
				{
					// otherwise look for the alias
					Reference<XSQLQueryComposerFactory> xFactory(xConnection, UNO_QUERY);
					if (!xFactory.is())
						break;

					Reference<XSQLQueryComposer> xComposer = xFactory->createQueryComposer();
					try
					{
						Reference<XPropertySet> xFormAsSet(xForm, UNO_QUERY);
						::rtl::OUString aStatement;
						xFormAsSet->getPropertyValue(PROPERTY_ACTIVECOMMAND) >>= aStatement;
						xComposer->setQuery(aStatement);
					}
					catch(Exception&)
					{
						disposeComponent(xComposer);
						break;
					}

					// search the field
										Reference<XColumnsSupplier> xSupplyFields(xComposer, UNO_QUERY);
					DBG_ASSERT(xSupplyFields.is(), "OComboBoxModel::loadData : invalid query composer !");

										Reference<XNameAccess> xFieldNames = xSupplyFields->getColumns();
					if (xFieldNames->hasByName(m_aControlSource))
					{
												Reference<XPropertySet> xComposerFieldAsSet(*(Reference<XPropertySet>*)xFieldNames->getByName(m_aControlSource).getValue());
						if (hasProperty(PROPERTY_FIELDSOURCE, xComposerFieldAsSet))
							xComposerFieldAsSet->getPropertyValue(PROPERTY_FIELDSOURCE) >>= aFieldName;
					}

					disposeComponent(xComposer);
				}

				if (!aFieldName.getLength())
					break;

				Reference<XDatabaseMetaData> xMeta = xConnection->getMetaData();
				::rtl::OUString aQuote = xMeta->getIdentifierQuoteString();
				::rtl::OUString aStatement = ::rtl::OUString::createFromAscii("SELECT DISTINCT ");

				aStatement += quoteName(aQuote, aFieldName);
				aStatement += ::rtl::OUString::createFromAscii(" FROM ");
				aStatement += quoteTableName(xMeta, m_aListSource,::dbtools::eInDataManipulation);

				xStmt = xConnection->createStatement();
				xListCursor = xStmt->executeQuery(aStatement);
			}	break;
			case ListSourceType_QUERY:
			{
				Reference<XQueriesSupplier> xSupplyQueries(xConnection, UNO_QUERY);
				Reference<XPropertySet> xQuery(*(InterfaceRef*)xSupplyQueries->getQueries()->getByName(m_aListSource).getValue(), UNO_QUERY);
				xStmt = xConnection->createStatement();
				Reference<XPropertySet>(xStmt, UNO_QUERY)->setPropertyValue(PROPERTY_ESCAPE_PROCESSING, xQuery->getPropertyValue(PROPERTY_ESCAPE_PROCESSING));

				::rtl::OUString sStatement;
				xQuery->getPropertyValue(PROPERTY_COMMAND) >>= sStatement;
				xListCursor = xStmt->executeQuery(sStatement);
			}	break;
			default:
			{
				xStmt = xConnection->createStatement();
				if (ListSourceType_SQLPASSTHROUGH == m_eListSourceType)
				{
					Reference<XPropertySet> xStatementProps(xStmt, UNO_QUERY);
					xStatementProps->setPropertyValue(PROPERTY_ESCAPE_PROCESSING, makeAny(sal_Bool(sal_False)));
				}
				xListCursor = xStmt->executeQuery(m_aListSource);
			}
		}
	}
	catch(SQLException& eSQL)
	{
		onError(eSQL, FRM_RES_STRING(RID_BASELISTBOX_ERROR_FILLLIST));
		disposeComponent(xListCursor);
		disposeComponent(xStmt);
		return;
	}
	catch(Exception& eUnknown)
	{
		eUnknown;
		disposeComponent(xListCursor);
		disposeComponent(xStmt);
		return;
	}

	if (ListSourceType_TABLEFIELDS != m_eListSourceType && !xListCursor.is())
		// something went wrong ...
		return;

	::std::vector< ::rtl::OUString >	aStringList;
	aStringList.reserve(16);
	try
	{
		switch (m_eListSourceType)
		{
			case ListSourceType_SQL:
			case ListSourceType_SQLPASSTHROUGH:
			case ListSourceType_TABLE:
			case ListSourceType_QUERY:
			{
				// die XDatabaseVAriant der ersten Spalte
				Reference<XColumnsSupplier> xSupplyCols(xListCursor, UNO_QUERY);
				DBG_ASSERT(xSupplyCols.is(), "OComboBoxModel::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(), "OComboBoxModel::loadData : no columns supplied by the row set !");
				}
				Reference<XColumn> xDataField;
				if (xColumns.is())
					xDataField = Reference<XColumn>(*(InterfaceRef*)xColumns->getByIndex(0).getValue(), UNO_QUERY);
				if (!xDataField.is())
				{
					disposeComponent(xListCursor);
					return;
				}

				// Listen fuellen
				sal_Int16 i = 0;
				// per definitionem the list cursor is positioned _before_ the first row at the moment
				while (xListCursor->next() && (i++<SHRT_MAX)) // max anzahl eintraege
				{

					aStringList.push_back(DBTypeConversion::getValue(xDataField,
											m_xFormatter,
											m_aNullDate,
											m_nFormatKey,
											m_nKeyType));
				}
			}
			break;
			case ListSourceType_TABLEFIELDS:
			{
				Reference<XNameAccess> xFieldNames = getTableFields(xConnection, m_aListSource);
				if (xFieldNames.is())
				{
					StringSequence seqNames = xFieldNames->getElementNames();
					sal_Int32 nFieldsCount = seqNames.getLength();
					const ::rtl::OUString* pustrNames = seqNames.getConstArray();

					for (sal_Int32 k=0; k<nFieldsCount; ++k)
						aStringList.push_back(pustrNames[k]);
				}
			}
			break;
		}
	}
	catch(SQLException& eSQL)
	{
		onError(eSQL, FRM_RES_STRING(RID_BASELISTBOX_ERROR_FILLLIST));
		disposeComponent(xListCursor);
		disposeComponent(xStmt);
		return;
	}
	catch(Exception& eUnknown)
	{
		eUnknown;
		disposeComponent(xListCursor);
		disposeComponent(xStmt);
		return;
	}

		// String-Sequence fuer ListBox erzeugen
	StringSequence aStringSeq(aStringList.size());
	::rtl::OUString* pStringAry = aStringSeq.getArray();
	for (sal_Int32 i = 0; i<aStringSeq.getLength(); ++i)
		pStringAry[i] = aStringList[i];

	// String-Sequence an ListBox setzen
	m_xAggregateSet->setPropertyValue(PROPERTY_STRINGITEMLIST, makeAny(aStringSeq));

	// destroy cursor & statement
	disposeComponent(xListCursor);
	disposeComponent(xStmt);
}

//------------------------------------------------------------------------------
void OComboBoxModel::_loaded(const EventObject& rEvent)
{
	Reference<XPropertySet> xField = getField();
	if (xField.is())
	{
		// jetzt den Key und typ ermitteln
		xField->getPropertyValue(PROPERTY_FIELDTYPE) >>= m_nFieldType;
		xField->getPropertyValue(PROPERTY_FORMATKEY) >>= m_nFormatKey;

		// XNumberFormatter besorgen
				Reference<XRowSet> xRowSet(rEvent.Source, UNO_QUERY);
		DBG_ASSERT(xRowSet.is(), "OComboBoxModel::_loaded : invalid event source !");
				Reference<XNumberFormatsSupplier> xSupplier = getNumberFormats(getConnection(xRowSet), sal_False, m_xServiceFactory);
		if (xSupplier.is())
		{
			m_xFormatter =	Reference<XNumberFormatter>(
													m_xServiceFactory->createInstance(FRM_NUMBER_FORMATTER), UNO_QUERY
								);
			if (m_xFormatter.is())
				m_xFormatter->attachNumberFormatsSupplier(xSupplier);

			m_nKeyType	= getNumberFormatType(xSupplier->getNumberFormats(), m_nFormatKey);
			xSupplier->getNumberFormatSettings()->getPropertyValue(::rtl::OUString::createFromAscii("NullDate")) >>= m_aNullDate;
		}
	}

	m_xAggregateSet->getPropertyValue(PROPERTY_STRINGITEMLIST) >>= m_aDesignModeStringItems;

	// Daten nur laden, wenn eine Listenquelle angegeben wurde
	if (m_aListSource.getLength() && m_xCursor.is())
		loadData();
}

//------------------------------------------------------------------------------
void OComboBoxModel::_unloaded()
{
	if (getField().is())
	{
		m_xFormatter = 0;
		m_nFieldType = DataType::OTHER;
		m_nFormatKey = 0;
		m_nKeyType	 = NumberFormat::UNDEFINED;
		m_aNullDate  = DBTypeConversion::getStandardDate();
	}

	// reset the string item list
	m_xAggregateSet->setPropertyValue(PROPERTY_STRINGITEMLIST, makeAny(m_aDesignModeStringItems));
}

//------------------------------------------------------------------------------
void SAL_CALL OComboBoxModel::reloaded( const EventObject& aEvent ) throw(RuntimeException)
{
	OBoundControlModel::reloaded(aEvent);

	// reload data if we have a list source
	if (m_aListSource.getLength() && m_xCursor.is())
		loadData();
}

// XBoundComponent
//------------------------------------------------------------------------------
sal_Bool OComboBoxModel::_commit()
{
	::rtl::OUString aNewValue;
	m_xAggregateFastSet->getFastPropertyValue(OComboBoxModel::nTextHandle) >>= aNewValue;
	sal_Bool bModified = (aNewValue != m_aSaveValue);
	if (bModified)
	{
		if (!aNewValue.getLength() && !m_bRequired && m_bEmptyIsNull)
			m_xColumnUpdate->updateNull();
		else
		{
			try
			{
				DBTypeConversion::setValue(m_xColumnUpdate, m_xFormatter, m_aNullDate, aNewValue,
										   m_nFormatKey, m_nFieldType, m_nKeyType);
			}
			catch(Exception&)
			{
				return sal_False;
			}
		}
		m_aSaveValue = aNewValue;
	}

	// add the new value to the list
	sal_Bool bAddToList = bModified;
	// (only if this is not the "commit" triggered by a "reset")
	if	(m_bResetting)
		bAddToList = sal_False;

	Any aAnyList = m_xAggregateSet->getPropertyValue(PROPERTY_STRINGITEMLIST);
	if (bAddToList && aAnyList.getValueType().equals(::getCppuType(reinterpret_cast<StringSequence*>(NULL))))
	{
		StringSequence aStringItemList = *(StringSequence*)aAnyList.getValue();
		const ::rtl::OUString* pStringItems = aStringItemList.getConstArray();
		sal_Int32 i;
		for (i=0; i<aStringItemList.getLength(); ++i, ++pStringItems)
		{
			if (pStringItems->equals(aNewValue))
				break;
		}

		// not found -> add
		if (i >= aStringItemList.getLength())
		{
			sal_Int32 nOldLen = aStringItemList.getLength();
			aStringItemList.realloc(nOldLen + 1);
			::rtl::OUString* pStringItems = aStringItemList.getArray() + nOldLen;
			*pStringItems = aNewValue;

			aAnyList <<= aStringItemList;
			m_xAggregateSet->setPropertyValue(PROPERTY_STRINGITEMLIST, aAnyList);
		}
	}

	return sal_True;
}

// XPropertiesChangeListener
//------------------------------------------------------------------------------
void OComboBoxModel::_onValueChanged()
{
	// release our mutex once (it's acquired in the calling method !), as setting aggregate properties
	// may cause any uno controls belonging to us to lock the solar mutex, which is potentially dangerous with
	// our own mutex locked
	// and in this special case do it before calling DBTypeConversion::getValue, as this uses the number formatter
	// which's implementation locks the SM, too :(
	// FS - 72451 - 31.01.00
	MutexRelease aRelease(m_aMutex);
	DBG_ASSERT(m_xColumn.is(), "OComboBoxModel::_onValueChanged : have no column !");
	m_aSaveValue = DBTypeConversion::getValue(m_xColumn,
											  m_xFormatter,
											  m_aNullDate,
											  m_nFormatKey,
											  m_nKeyType);

		m_xAggregateFastSet->setFastPropertyValue(OComboBoxModel::nTextHandle, makeAny(m_aSaveValue));
}

//------------------------------------------------------------------------------
void OComboBoxModel::_reset()
{
	{	// release our mutex once (it's acquired in the calling method !), as setting aggregate properties
		// may cause any uno controls belonging to us to lock the solar mutex, which is potentially dangerous with
		// our own mutex locked
		// FS - 72451 - 31.01.00
		MutexRelease aRelease(m_aMutex);
				m_xAggregateFastSet->setFastPropertyValue(OComboBoxModel::nTextHandle, makeAny(m_aDefaultText));
	}
}

//========================================================================
//= OComboBoxControl
//========================================================================

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

//------------------------------------------------------------------------------
OComboBoxControl::OComboBoxControl(const Reference<XMultiServiceFactory>& _rxFactory)
	:OBoundControl(_rxFactory, VCL_CONTROL_COMBOBOX)
{
}

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

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

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

}
