source/sbx/sbxobj.cxx

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basic.hxx"
#include <tools/stream.hxx>
#include <vcl/sound.hxx>
#include <basic/sbx.hxx>
#include <basic/sbxbase.hxx>
#include "sbxres.hxx"
#include <svl/brdcst.hxx>

TYPEINIT1(SbxMethod,SbxVariable)
TYPEINIT1(SbxProperty,SbxVariable)
TYPEINIT2(SbxObject,SbxVariable,SfxListener)

static const char* pNameProp;				// Name-Property
static const char* pParentProp;				// Parent-Property

static sal_uInt16 nNameHash = 0, nParentHash = 0;

/////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////

SbxObject::SbxObject( const XubString& rClass )
		 : SbxVariable( SbxOBJECT ), aClassName( rClass )
{
	aData.pObj = this;
	if( !nNameHash )
	{
		pNameProp = GetSbxRes( STRING_NAMEPROP );
		pParentProp = GetSbxRes( STRING_PARENTPROP );
		nNameHash = MakeHashCode( String::CreateFromAscii( pNameProp ) );
		nParentHash = MakeHashCode( String::CreateFromAscii( pParentProp ) );
	}
	SbxObject::Clear();
	SbxObject::SetName( rClass );
}

SbxObject::SbxObject( const SbxObject& rObj )
    : SvRefBase( rObj ), SbxVariable( rObj.GetType() ),
      SfxListener( rObj )
{
	*this = rObj;
}

SbxObject& SbxObject::operator=( const SbxObject& r )
{
	if( &r != this )
	{
		SbxVariable::operator=( r );
		aClassName = r.aClassName;
		pMethods   = new SbxArray;
		pProps     = new SbxArray;
		pObjs      = new SbxArray( SbxOBJECT );
		// Die Arrays werden kopiert, die Inhalte uebernommen
		*pMethods  = *r.pMethods;
		*pProps    = *r.pProps;
		*pObjs     = *r.pObjs;
		// Da die Variablen uebernommen wurden, ist dies OK
		pDfltProp  = r.pDfltProp;
		SetName( r.GetName() );
		SetFlags( r.GetFlags() );
		SetModified( sal_True );
	}
	return *this;
}

static void CheckParentsOnDelete( SbxObject* pObj, SbxArray* p )
{
	for( sal_uInt16 i = 0; i < p->Count(); i++ )
	{
		SbxVariableRef& rRef = p->GetRef( i );
		if( rRef->IsBroadcaster() )
			pObj->EndListening( rRef->GetBroadcaster(), sal_True );
		// Hat das Element mehr als eine Referenz und noch einen Listener?
		if( rRef->GetRefCount() > 1 )
		{
			rRef->SetParent( NULL );
			DBG_ASSERT( !rRef->IsBroadcaster() || rRef->GetBroadcaster().GetListenerCount(), "Object element with dangling parent" );
		}
	}
}

SbxObject::~SbxObject()
{
	CheckParentsOnDelete( this, pProps );
	CheckParentsOnDelete( this, pMethods );
	CheckParentsOnDelete( this, pObjs );

	// avoid handling in ~SbxVariable as SBX_DIM_AS_NEW == SBX_GBLSEARCH
	ResetFlag( SBX_DIM_AS_NEW );
}

SbxDataType SbxObject::GetType() const
{
	return SbxOBJECT;
}

SbxClassType SbxObject::GetClass() const
{
	return SbxCLASS_OBJECT;
}

void SbxObject::Clear()
{
	pMethods   = new SbxArray;
	pProps     = new SbxArray;
	pObjs      = new SbxArray( SbxOBJECT );
	SbxVariable* p;
	p = Make( String::CreateFromAscii( pNameProp ), SbxCLASS_PROPERTY, SbxSTRING );
	p->SetFlag( SBX_DONTSTORE );
	p = Make( String::CreateFromAscii( pParentProp ), SbxCLASS_PROPERTY, SbxOBJECT );
	p->ResetFlag( SBX_WRITE );
	p->SetFlag( SBX_DONTSTORE );
	pDfltProp  = NULL;
	SetModified( sal_False );
}

void SbxObject::SFX_NOTIFY( SfxBroadcaster&, const TypeId&,
							const SfxHint& rHint, const TypeId& )
{
	const SbxHint* p = PTR_CAST(SbxHint,&rHint);
	if( p )
	{
		sal_uIntPtr nId = p->GetId();
		sal_Bool bRead  = sal_Bool( nId == SBX_HINT_DATAWANTED );
		sal_Bool bWrite = sal_Bool( nId == SBX_HINT_DATACHANGED );
		SbxVariable* pVar = p->GetVar();
		if( bRead || bWrite )
		{
			XubString aVarName( pVar->GetName() );
			sal_uInt16 nHash_ = MakeHashCode( aVarName );
			if( nHash_ == nNameHash
			 && aVarName.EqualsIgnoreCaseAscii( pNameProp ) )
			{
				if( bRead )
					pVar->PutString( GetName() );
				else
					SetName( pVar->GetString() );
			}
			else if( nHash_ == nParentHash
			 && aVarName.EqualsIgnoreCaseAscii( pParentProp ) )
			{
				SbxObject* p_ = GetParent();
				if( !p_ )
					p_ = this;
				pVar->PutObject( p_ );
			}
		}
	}
}

sal_Bool SbxObject::IsClass( const XubString& rName ) const
{
	return sal_Bool( aClassName.EqualsIgnoreCaseAscii( rName ) );
}

SbxVariable* SbxObject::FindUserData( sal_uInt32 nData )
{
	if( !GetAll( SbxCLASS_DONTCARE ) )
		return NULL;

	SbxVariable* pRes = pMethods->FindUserData( nData );
	if( !pRes )
		pRes = pProps->FindUserData( nData );
	if( !pRes )
		pRes = pObjs->FindUserData( nData );
	// Search in den Parents?
	if( !pRes && IsSet( SBX_GBLSEARCH ) )
	{
		SbxObject* pCur = this;
		while( !pRes && pCur->pParent )
		{
			// Ich selbst bin schon durchsucht worden!
			sal_uInt16 nOwn = pCur->GetFlags();
			pCur->ResetFlag( SBX_EXTSEARCH );
			// Ich suche bereits global!
			sal_uInt16 nPar = pCur->pParent->GetFlags();
			pCur->pParent->ResetFlag( SBX_GBLSEARCH );
			pRes = pCur->pParent->FindUserData( nData );
			pCur->SetFlags( nOwn );
			pCur->pParent->SetFlags( nPar );
			pCur = pCur->pParent;
		}
	}
	return pRes;
}

SbxVariable* SbxObject::Find( const XubString& rName, SbxClassType t )
{
#ifdef DBG_UTIL
	static sal_uInt16 nLvl = 0;
	static const char* pCls[] =
	{ "DontCare","Array","Value","Variable","Method","Property","Object" };
	ByteString aNameStr1( (const UniString&)rName, RTL_TEXTENCODING_ASCII_US );
	ByteString aNameStr2( (const UniString&)SbxVariable::GetName(), RTL_TEXTENCODING_ASCII_US );
	DbgOutf( "SBX: Search %.*s %s %s in %s",
		nLvl++, "                              ",
		( t >= SbxCLASS_DONTCARE && t <= SbxCLASS_OBJECT )
		 ? pCls[ t-1 ] : "Unknown class", aNameStr1.GetBuffer(), aNameStr1.GetBuffer() );
#endif

	if( !GetAll( t ) )
		return NULL;
	SbxVariable* pRes = NULL;
	pObjs->SetFlag( SBX_EXTSEARCH );
	if( t == SbxCLASS_DONTCARE )
	{
		pRes = pMethods->Find( rName, SbxCLASS_METHOD );
		if( !pRes )
			pRes = pProps->Find( rName, SbxCLASS_PROPERTY );
		if( !pRes )
			pRes = pObjs->Find( rName, t );
	}
	else
	{
		SbxArray* pArray = NULL;
		switch( t )
		{
			case SbxCLASS_VARIABLE:
			case SbxCLASS_PROPERTY: pArray = pProps;	break;
			case SbxCLASS_METHOD: 	pArray = pMethods;	break;
			case SbxCLASS_OBJECT: 	pArray = pObjs;		break;
			default:
				DBG_ASSERT( !this, "Ungueltige SBX-Klasse" );
		}
		if( pArray )
			pRes = pArray->Find( rName, t );
	}
	// Extended Search im Objekt-Array?
	// Fuer Objekte und DontCare ist das Objektarray bereits
	// durchsucht worden
	if( !pRes && ( t == SbxCLASS_METHOD || t == SbxCLASS_PROPERTY ) )
		pRes = pObjs->Find( rName, t );
	// Search in den Parents?
	if( !pRes && IsSet( SBX_GBLSEARCH ) )
	{
		SbxObject* pCur = this;
		while( !pRes && pCur->pParent )
		{
			// Ich selbst bin schon durchsucht worden!
			sal_uInt16 nOwn = pCur->GetFlags();
			pCur->ResetFlag( SBX_EXTSEARCH );
			// Ich suche bereits global!
			sal_uInt16 nPar = pCur->pParent->GetFlags();
			pCur->pParent->ResetFlag( SBX_GBLSEARCH );
			pRes = pCur->pParent->Find( rName, t );
			pCur->SetFlags( nOwn );
			pCur->pParent->SetFlags( nPar );
			pCur = pCur->pParent;
		}
	}
#ifdef DBG_UTIL
	nLvl--;
	if( pRes )
	{
		ByteString aNameStr3( (const UniString&)rName, RTL_TEXTENCODING_ASCII_US );
		ByteString aNameStr4( (const UniString&)SbxVariable::GetName(), RTL_TEXTENCODING_ASCII_US );
		DbgOutf( "SBX: Found %.*s %s in %s",
			nLvl, "                              ", aNameStr3.GetBuffer(), aNameStr4.GetBuffer() );
	}
#endif
	return pRes;
}

// Kurzform: Die Parent-Kette wird durchsucht
// Das ganze rekursiv, da Call() ueberladen sein kann
// Qualified Names sind zugelassen

sal_Bool SbxObject::Call( const XubString& rName, SbxArray* pParam )
{
	SbxVariable* pMeth = FindQualified( rName, SbxCLASS_DONTCARE);
	if( pMeth && pMeth->ISA(SbxMethod) )
	{
		// FindQualified() koennte schon zugeschlagen haben!
		if( pParam )
			pMeth->SetParameters( pParam );
		pMeth->Broadcast( SBX_HINT_DATAWANTED );
		pMeth->SetParameters( NULL );
		return sal_True;
	}
	SetError( SbxERR_NO_METHOD );
	return sal_False;
}

SbxProperty* SbxObject::GetDfltProperty()
{
	if ( !pDfltProp && aDfltPropName.Len() )
	{
		pDfltProp = (SbxProperty*) Find( aDfltPropName, SbxCLASS_PROPERTY );
		if( !pDfltProp )
			pDfltProp = (SbxProperty*) Make( aDfltPropName, SbxCLASS_PROPERTY, SbxVARIANT );
	}
	return pDfltProp;
}
void SbxObject::SetDfltProperty( const XubString& rName )
{
	if ( rName != aDfltPropName )
		pDfltProp = NULL;
	aDfltPropName = rName;
	SetModified( sal_True );
}

void SbxObject::SetDfltProperty( SbxProperty* p )
{
	if( p )
	{
		sal_uInt16 n;
		SbxArray* pArray = FindVar( p, n );
		pArray->Put( p, n );
		if( p->GetParent() != this )
			p->SetParent( this );
		Broadcast( SBX_HINT_OBJECTCHANGED );
	}
	pDfltProp = p;
	SetModified( sal_True );
}

// Suchen einer bereits vorhandenen Variablen. Falls sie gefunden wurde,
// wird der Index gesetzt, sonst wird der Count des Arrays geliefert.
// In jedem Fall wird das korrekte Array geliefert.

SbxArray* SbxObject::FindVar( SbxVariable* pVar, sal_uInt16& nArrayIdx )
{
	SbxArray* pArray = NULL;
	if( pVar ) switch( pVar->GetClass() )
	{
		case SbxCLASS_VARIABLE:
		case SbxCLASS_PROPERTY: pArray = pProps;	break;
		case SbxCLASS_METHOD: 	pArray = pMethods;	break;
		case SbxCLASS_OBJECT: 	pArray = pObjs;		break;
		default:
			DBG_ASSERT( !this, "Ungueltige SBX-Klasse" );
	}
	if( pArray )
	{
		nArrayIdx = pArray->Count();
		// ist die Variable per Name vorhanden?
		pArray->ResetFlag( SBX_EXTSEARCH );
		SbxVariable* pOld = pArray->Find( pVar->GetName(), pVar->GetClass() );
		if( pOld )
		  for( sal_uInt16 i = 0; i < pArray->Count(); i++ )
		{
			SbxVariableRef& rRef = pArray->GetRef( i );
			if( (SbxVariable*) rRef == pOld )
			{
				nArrayIdx = i; break;
			}
		}
	}
	return pArray;
}

// Falls ein neues Objekt eingerichtet wird, wird es, falls es bereits
// eines mit diesem Namen gibt, indiziert.

SbxVariable* SbxObject::Make( const XubString& rName, SbxClassType ct, SbxDataType dt, bool bIsRuntimeFunction )
{
	// Ist das Objekt bereits vorhanden?
	SbxArray* pArray = NULL;
	switch( ct )
	{
		case SbxCLASS_VARIABLE:
		case SbxCLASS_PROPERTY: pArray = pProps;	break;
		case SbxCLASS_METHOD: 	pArray = pMethods;	break;
		case SbxCLASS_OBJECT: 	pArray = pObjs;		break;
		default:
			DBG_ASSERT( !this, "Ungueltige SBX-Klasse" );
	}
	if( !pArray )
		return NULL;
	// Collections duerfen gleichnamige Objekte enthalten
	if( !( ct == SbxCLASS_OBJECT && ISA(SbxCollection) ) )
	{
		SbxVariable* pRes = pArray->Find( rName, ct );
		if( pRes )
		{
/* Wegen haeufiger Probleme (z.B. #67000) erstmal ganz raus
#ifdef DBG_UTIL
			if( pRes->GetHashCode() != nNameHash
			 && pRes->GetHashCode() != nParentHash )
			{
				XubString aMsg( "SBX-Element \"" );
				aMsg += pRes->GetName();
				aMsg += "\"\n in Objekt \"";
				aMsg += GetName();
				aMsg += "\" bereits vorhanden";
				DbgError( (const char*)aMsg.GetStr() );
			}
#endif
*/
			return pRes;
		}
	}
	SbxVariable* pVar = NULL;
	switch( ct )
	{
		case SbxCLASS_VARIABLE:
		case SbxCLASS_PROPERTY:
			pVar = new SbxProperty( rName, dt );
			break;
		case SbxCLASS_METHOD:
			pVar = new SbxMethod( rName, dt, bIsRuntimeFunction );
			break;
		case SbxCLASS_OBJECT:
			pVar = CreateObject( rName );
			break;
		default: break;
	}
	pVar->SetParent( this );
	pArray->Put( pVar, pArray->Count() );
	SetModified( sal_True );
	// Das Objekt lauscht immer
	StartListening( pVar->GetBroadcaster(), sal_True );
	Broadcast( SBX_HINT_OBJECTCHANGED );
	return pVar;
}

SbxObject* SbxObject::MakeObject( const XubString& rName, const XubString& rClass )
{
	// Ist das Objekt bereits vorhanden?
	if( !ISA(SbxCollection) )
	{
		SbxVariable* pRes = pObjs->Find( rName, SbxCLASS_OBJECT );
		if( pRes )
		{
/* Wegen haeufiger Probleme (z.B. #67000) erstmal ganz raus
#ifdef DBG_UTIL
			if( pRes->GetHashCode() != nNameHash
			 && pRes->GetHashCode() != nParentHash )
			{
				XubString aMsg( "SBX-Objekt \"" );
				aMsg += pRes->GetName();
				aMsg += "\"\n in Objekt \"";
				aMsg += GetName();
				aMsg += "\" bereits vorhanden";
				DbgError( (const char*)aMsg.GetStr() );
			}
#endif
*/
			return PTR_CAST(SbxObject,pRes);
		}
	}
	SbxObject* pVar = CreateObject( rClass );
	if( pVar )
	{
		pVar->SetName( rName );
		pVar->SetParent( this );
		pObjs->Put( pVar, pObjs->Count() );
		SetModified( sal_True );
		// Das Objekt lauscht immer
		StartListening( pVar->GetBroadcaster(), sal_True );
		Broadcast( SBX_HINT_OBJECTCHANGED );
	}
	return pVar;
}

void SbxObject::Insert( SbxVariable* pVar )
{
	sal_uInt16 nIdx;
	SbxArray* pArray = FindVar( pVar, nIdx );
	if( pArray )
	{
		// Hinein damit. Man sollte allerdings auf die Pointer aufpassen!
		if( nIdx < pArray->Count() )
		{
			// dann gibt es dieses Element bereits
			// Bei Collections duerfen gleichnamige Objekte hinein
			if( pArray == pObjs && ISA(SbxCollection) )
				nIdx = pArray->Count();
			else
			{
				SbxVariable* pOld = pArray->Get( nIdx );
				// schon drin: ueberschreiben
				if( pOld == pVar )
					return;

/* Wegen haeufiger Probleme (z.B. #67000) erstmal ganz raus
#ifdef DBG_UTIL
				if( pOld->GetHashCode() != nNameHash
				 && pOld->GetHashCode() != nParentHash )
				{
					XubString aMsg( "SBX-Element \"" );
					aMsg += pVar->GetName();
					aMsg += "\"\n in Objekt \"";
					aMsg += GetName();
					aMsg += "\" bereits vorhanden";
					DbgError( (const char*)aMsg.GetStr() );
				}
#endif
*/
				EndListening( pOld->GetBroadcaster(), sal_True );
				if( pVar->GetClass() == SbxCLASS_PROPERTY )
				{
					if( pOld == pDfltProp )
						pDfltProp = (SbxProperty*) pVar;
				}
			}
		}
		StartListening( pVar->GetBroadcaster(), sal_True );
		pArray->Put( pVar, nIdx );
		if( pVar->GetParent() != this )
			pVar->SetParent( this );
		SetModified( sal_True );
		Broadcast( SBX_HINT_OBJECTCHANGED );
#ifdef DBG_UTIL
	static const char* pCls[] =
	{ "DontCare","Array","Value","Variable","Method","Property","Object" };
	XubString aVarName( pVar->GetName() );
	if ( !aVarName.Len() && pVar->ISA(SbxObject) )
		aVarName = PTR_CAST(SbxObject,pVar)->GetClassName();
	ByteString aNameStr1( (const UniString&)aVarName, RTL_TEXTENCODING_ASCII_US );
	ByteString aNameStr2( (const UniString&)SbxVariable::GetName(), RTL_TEXTENCODING_ASCII_US );
	DbgOutf( "SBX: Insert %s %s in %s",
		( pVar->GetClass() >= SbxCLASS_DONTCARE &&
		  pVar->GetClass() <= SbxCLASS_OBJECT )
			? pCls[ pVar->GetClass()-1 ] : "Unknown class", aNameStr1.GetBuffer(), aNameStr1.GetBuffer() );
#endif
	}
}

// AB 23.4.1997, Optimierung, Einfuegen ohne Ueberpruefung auf doppelte
// Eintraege und ohne Broadcasts, wird nur in SO2/auto.cxx genutzt
void SbxObject::QuickInsert( SbxVariable* pVar )
{
	SbxArray* pArray = NULL;
	if( pVar )
	{
		switch( pVar->GetClass() )
		{
			case SbxCLASS_VARIABLE:
			case SbxCLASS_PROPERTY: pArray = pProps;	break;
			case SbxCLASS_METHOD: 	pArray = pMethods;	break;
			case SbxCLASS_OBJECT: 	pArray = pObjs;		break;
			default:
				DBG_ASSERT( !this, "Ungueltige SBX-Klasse" );
		}
	}
	if( pArray )
	{
		StartListening( pVar->GetBroadcaster(), sal_True );
		pArray->Put( pVar, pArray->Count() );
		if( pVar->GetParent() != this )
			pVar->SetParent( this );
		SetModified( sal_True );
#ifdef DBG_UTIL
	static const char* pCls[] =
	{ "DontCare","Array","Value","Variable","Method","Property","Object" };
	XubString aVarName( pVar->GetName() );
	if ( !aVarName.Len() && pVar->ISA(SbxObject) )
		aVarName = PTR_CAST(SbxObject,pVar)->GetClassName();
	ByteString aNameStr1( (const UniString&)aVarName, RTL_TEXTENCODING_ASCII_US );
	ByteString aNameStr2( (const UniString&)SbxVariable::GetName(), RTL_TEXTENCODING_ASCII_US );
	DbgOutf( "SBX: Insert %s %s in %s",
		( pVar->GetClass() >= SbxCLASS_DONTCARE &&
		  pVar->GetClass() <= SbxCLASS_OBJECT )
			? pCls[ pVar->GetClass()-1 ] : "Unknown class", aNameStr1.GetBuffer(), aNameStr1.GetBuffer() );
#endif
	}
}

// AB 23.3.1997, Spezial-Methode, gleichnamige Controls zulassen
void SbxObject::VCPtrInsert( SbxVariable* pVar )
{
	SbxArray* pArray = NULL;
	if( pVar )
	{
		switch( pVar->GetClass() )
		{
			case SbxCLASS_VARIABLE:
			case SbxCLASS_PROPERTY: pArray = pProps;	break;
			case SbxCLASS_METHOD: 	pArray = pMethods;	break;
			case SbxCLASS_OBJECT: 	pArray = pObjs;		break;
			default:
				DBG_ASSERT( !this, "Ungueltige SBX-Klasse" );
		}
	}
	if( pArray )
	{
		StartListening( pVar->GetBroadcaster(), sal_True );
		pArray->Put( pVar, pArray->Count() );
		if( pVar->GetParent() != this )
			pVar->SetParent( this );
		SetModified( sal_True );
		Broadcast( SBX_HINT_OBJECTCHANGED );
	}
}

void SbxObject::Remove( const XubString& rName, SbxClassType t )
{
	Remove( SbxObject::Find( rName, t ) );
}

void SbxObject::Remove( SbxVariable* pVar )
{
	sal_uInt16 nIdx;
	SbxArray* pArray = FindVar( pVar, nIdx );
	if( pArray && nIdx < pArray->Count() )
	{
#ifdef DBG_UTIL
	XubString aVarName( pVar->GetName() );
	if ( !aVarName.Len() && pVar->ISA(SbxObject) )
		aVarName = PTR_CAST(SbxObject,pVar)->GetClassName();
	ByteString aNameStr1( (const UniString&)aVarName, RTL_TEXTENCODING_ASCII_US );
	ByteString aNameStr2( (const UniString&)SbxVariable::GetName(), RTL_TEXTENCODING_ASCII_US );
#endif
		SbxVariableRef pVar_ = pArray->Get( nIdx );
		if( pVar_->IsBroadcaster() )
			EndListening( pVar_->GetBroadcaster(), sal_True );
		if( (SbxVariable*) pVar_ == pDfltProp )
			pDfltProp = NULL;
		pArray->Remove( nIdx );
		if( pVar_->GetParent() == this )
			pVar_->SetParent( NULL );
		SetModified( sal_True );
		Broadcast( SBX_HINT_OBJECTCHANGED );
	}
}

// AB 23.3.1997, Loeschen per Pointer fuer Controls (doppelte Namen!)
void SbxObject::VCPtrRemove( SbxVariable* pVar )
{
	sal_uInt16 nIdx;
	// Neu FindVar-Methode, sonst identisch mit normaler Methode
	SbxArray* pArray = VCPtrFindVar( pVar, nIdx );
	if( pArray && nIdx < pArray->Count() )
	{
		SbxVariableRef xVar = pArray->Get( nIdx );
		if( xVar->IsBroadcaster() )
			EndListening( xVar->GetBroadcaster(), sal_True );
		if( (SbxVariable*) xVar == pDfltProp )
			pDfltProp = NULL;
		pArray->Remove( nIdx );
		if( xVar->GetParent() == this )
			xVar->SetParent( NULL );
		SetModified( sal_True );
		Broadcast( SBX_HINT_OBJECTCHANGED );
	}
}

// AB 23.3.1997, Zugehoerige Spezial-Methode, nur ueber Pointer suchen
SbxArray* SbxObject::VCPtrFindVar( SbxVariable* pVar, sal_uInt16& nArrayIdx )
{
	SbxArray* pArray = NULL;
	if( pVar ) switch( pVar->GetClass() )
	{
		case SbxCLASS_VARIABLE:
		case SbxCLASS_PROPERTY: pArray = pProps;	break;
		case SbxCLASS_METHOD: 	pArray = pMethods;	break;
		case SbxCLASS_OBJECT: 	pArray = pObjs;		break;
		default:
			DBG_ASSERT( !this, "Ungueltige SBX-Klasse" );
	}
	if( pArray )
	{
		nArrayIdx = pArray->Count();
		for( sal_uInt16 i = 0; i < pArray->Count(); i++ )
		{
			SbxVariableRef& rRef = pArray->GetRef( i );
			if( (SbxVariable*) rRef == pVar )
			{
				nArrayIdx = i; break;
			}
		}
	}
	return pArray;
}


void SbxObject::SetPos( SbxVariable* pVar, sal_uInt16 nPos )
{
	sal_uInt16 nIdx;
	SbxArray* pArray = FindVar( pVar, nIdx );
	if( pArray )
	{
		if( nPos >= pArray->Count() )
			nPos = pArray->Count() - 1;
		if( nIdx < ( pArray->Count() - 1 ) )
		{
			SbxVariableRef refVar = pArray->Get( nIdx );
			pArray->Remove( nIdx );
			pArray->Insert( refVar, nPos );
		}
	}
//	SetModified( sal_True );
//	Broadcast( SBX_HINT_OBJECTCHANGED );
}

static sal_Bool LoadArray( SvStream& rStrm, SbxObject* pThis, SbxArray* pArray )
{
	SbxArrayRef p = (SbxArray*) SbxBase::Load( rStrm );
	if( !p.Is() )
		return sal_False;
	for( sal_uInt16 i = 0; i < p->Count(); i++ )
	{
		SbxVariableRef& r = p->GetRef( i );
		SbxVariable* pVar = r;
		if( pVar )
		{
			pVar->SetParent( pThis );
			pThis->StartListening( pVar->GetBroadcaster(), sal_True );
		}
	}
	pArray->Merge( p );
	return sal_True;
}

// Der Load eines Objekts ist additiv!

sal_Bool SbxObject::LoadData( SvStream& rStrm, sal_uInt16 nVer )
{
	// Hilfe fuer das Einlesen alter Objekte: einfach sal_True zurueck,
	// LoadPrivateData() muss Default-Zustand herstellen
	if( !nVer )
		return sal_True;

	pDfltProp = NULL;
	if( !SbxVariable::LoadData( rStrm, nVer ) )
		return sal_False;
	// Wenn kein fremdes Objekt enthalten ist, uns selbst eintragen
	if( aData.eType == SbxOBJECT && !aData.pObj )
		aData.pObj = this;
	sal_uInt32 nSize;
	XubString aDfltProp;
	rStrm.ReadByteString( aClassName, RTL_TEXTENCODING_ASCII_US );
	rStrm.ReadByteString( aDfltProp, RTL_TEXTENCODING_ASCII_US );
	sal_uIntPtr nPos = rStrm.Tell();
	rStrm >> nSize;
	if( !LoadPrivateData( rStrm, nVer ) )
		return sal_False;
	sal_uIntPtr nNewPos = rStrm.Tell();
	nPos += nSize;
	DBG_ASSERT( nPos >= nNewPos, "SBX: Zu viele Daten eingelesen" );
	if( nPos != nNewPos )
		rStrm.Seek( nPos );
	if( !LoadArray( rStrm, this, pMethods )
	 || !LoadArray( rStrm, this, pProps )
	 || !LoadArray( rStrm, this, pObjs ) )
		return sal_False;
	// Properties setzen
	if( aDfltProp.Len() )
		pDfltProp = (SbxProperty*) pProps->Find( aDfltProp, SbxCLASS_PROPERTY );
	SetModified( sal_False );
	return sal_True;
}

sal_Bool SbxObject::StoreData( SvStream& rStrm ) const
{
	if( !SbxVariable::StoreData( rStrm ) )
		return sal_False;
	XubString aDfltProp;
	if( pDfltProp )
		aDfltProp = pDfltProp->GetName();
	rStrm.WriteByteString( aClassName, RTL_TEXTENCODING_ASCII_US );
	rStrm.WriteByteString( aDfltProp, RTL_TEXTENCODING_ASCII_US );
	sal_uIntPtr nPos = rStrm.Tell();
	rStrm << (sal_uInt32) 0L;
	if( !StorePrivateData( rStrm ) )
		return sal_False;
	sal_uIntPtr nNew = rStrm.Tell();
	rStrm.Seek( nPos );
	rStrm << (sal_uInt32) ( nNew - nPos );
	rStrm.Seek( nNew );
	if( !pMethods->Store( rStrm ) )
		return sal_False;
	if( !pProps->Store( rStrm ) )
		return sal_False;
	if( !pObjs->Store( rStrm ) )
		return sal_False;
	((SbxObject*) this)->SetModified( sal_False );
	return sal_True;
}

XubString SbxObject::GenerateSource( const XubString &rLinePrefix,
								  const SbxObject* )
{
	// Properties in einem String einsammeln
	XubString aSource;
	SbxArrayRef xProps( GetProperties() );
	bool bLineFeed = false;
	for ( sal_uInt16 nProp = 0; nProp < xProps->Count(); ++nProp )
	{
		SbxPropertyRef xProp = (SbxProperty*) xProps->Get(nProp);
		XubString aPropName( xProp->GetName() );
		if ( xProp->CanWrite()
		 && !( xProp->GetHashCode() == nNameHash
			&& aPropName.EqualsIgnoreCaseAscii( pNameProp ) ) )
		{
			// ausser vor dem ersten Property immer einen Umbruch einfuegen
			if ( bLineFeed )
				aSource.AppendAscii( "\n" );
			else
				bLineFeed = true;

			aSource += rLinePrefix;
			aSource += '.';
			aSource += aPropName;
			aSource.AppendAscii( " = " );

			// den Property-Wert textuell darstellen
			switch ( xProp->GetType() )
			{
				case SbxEMPTY:
				case SbxNULL:
					// kein Wert
					break;

				case SbxSTRING:
				{
					// Strings in Anf"uhrungszeichen
					aSource.AppendAscii( "\"" );
					aSource += xProp->GetString();
					aSource.AppendAscii( "\"" );
					break;
				}

				default:
				{
					// sonstiges wie z.B. Zahlen direkt
					aSource += xProp->GetString();
					break;
				}
			}
		}
	}
	return aSource;
}

static sal_Bool CollectAttrs( const SbxBase* p, XubString& rRes )
{
	XubString aAttrs;
	if( p->IsHidden() )
		aAttrs.AssignAscii( "Hidden" );
	if( p->IsSet( SBX_EXTSEARCH ) )
	{
		if( aAttrs.Len() )
			aAttrs += ',';
		aAttrs.AppendAscii( "ExtSearch" );
	}
	if( !p->IsVisible() )
	{
		if( aAttrs.Len() )
			aAttrs += ',';
		aAttrs.AppendAscii( "Invisible" );
	}
	if( p->IsSet( SBX_DONTSTORE ) )
	{
		if( aAttrs.Len() )
			aAttrs += ',';
		aAttrs.AppendAscii( "DontStore" );
	}
	if( aAttrs.Len() )
	{
		rRes.AssignAscii( " (" );
		rRes += aAttrs;
		rRes += ')';
		return sal_True;
	}
	else
	{
		rRes.Erase();
		return sal_False;
	}
}

void SbxObject::Dump( SvStream& rStrm, sal_Bool bFill )
{
	// Einr"uckung
	static sal_uInt16 nLevel = 0;
	if ( nLevel > 10 )
	{
		rStrm << "<too deep>" << endl;
		return;
	}
	++nLevel;
	String aIndent;
	for ( sal_uInt16 n = 1; n < nLevel; ++n )
		aIndent.AppendAscii( "    " );

	// ggf. Objekt vervollst"andigen
	if ( bFill )
		GetAll( SbxCLASS_DONTCARE );

	// Daten des Objekts selbst ausgeben
	ByteString aNameStr( (const UniString&)GetName(), RTL_TEXTENCODING_ASCII_US );
	ByteString aClassNameStr( (const UniString&)aClassName, RTL_TEXTENCODING_ASCII_US );
	rStrm << "Object( "
          << ByteString::CreateFromInt64( (sal_uIntPtr) this ).GetBuffer() << "=='"
          << ( aNameStr.Len() ? aNameStr.GetBuffer() : "<unnamed>" ) << "', "
          << "of class '" << aClassNameStr.GetBuffer() << "', "
          << "counts "
          << ByteString::CreateFromInt64( GetRefCount() ).GetBuffer()
          << " refs, ";
	if ( GetParent() )
	{
		ByteString aParentNameStr( (const UniString&)GetName(), RTL_TEXTENCODING_ASCII_US );
		rStrm << "in parent "
              << ByteString::CreateFromInt64( (sal_uIntPtr) GetParent() ).GetBuffer()
			  << "=='" << ( aParentNameStr.Len() ? aParentNameStr.GetBuffer() : "<unnamed>" ) << "'";
	}
	else
		rStrm << "no parent ";
	rStrm << " )" << endl;
	ByteString aIndentNameStr( (const UniString&)aIndent, RTL_TEXTENCODING_ASCII_US );
	rStrm << aIndentNameStr.GetBuffer() << "{" << endl;

	// Flags
	XubString aAttrs;
	if( CollectAttrs( this, aAttrs ) )
	{
		ByteString aAttrStr( (const UniString&)aAttrs, RTL_TEXTENCODING_ASCII_US );
		rStrm << aIndentNameStr.GetBuffer() << "- Flags: " << aAttrStr.GetBuffer() << endl;
	}

	// Methods
	rStrm << aIndentNameStr.GetBuffer() << "- Methods:" << endl;
	for( sal_uInt16 i = 0; i < pMethods->Count(); i++ )
	{
		SbxVariableRef& r = pMethods->GetRef( i );
		SbxVariable* pVar = r;
		if( pVar )
		{
			XubString aLine( aIndent );
			aLine.AppendAscii( "  - " );
			aLine += pVar->GetName( SbxNAME_SHORT_TYPES );
            XubString aAttrs2;
			if( CollectAttrs( pVar, aAttrs2 ) )
				aLine += aAttrs2;
			if( !pVar->IsA( TYPE(SbxMethod) ) )
				aLine.AppendAscii( "  !! Not a Method !!" );
			rStrm.WriteByteString( aLine, RTL_TEXTENCODING_ASCII_US );

			// bei Object-Methods auch das Object ausgeben
			if ( pVar->GetValues_Impl().eType == SbxOBJECT &&
					pVar->GetValues_Impl().pObj &&
					pVar->GetValues_Impl().pObj != this &&
					pVar->GetValues_Impl().pObj != GetParent() )
			{
				rStrm << " contains ";
				((SbxObject*) pVar->GetValues_Impl().pObj)->Dump( rStrm, bFill );
			}
			else
				rStrm << endl;
		}
	}

	// Properties
	rStrm << aIndentNameStr.GetBuffer() << "- Properties:" << endl;
	{
		for( sal_uInt16 i = 0; i < pProps->Count(); i++ )
		{
			SbxVariableRef& r = pProps->GetRef( i );
			SbxVariable* pVar = r;
			if( pVar )
			{
				XubString aLine( aIndent );
				aLine.AppendAscii( "  - " );
				aLine += pVar->GetName( SbxNAME_SHORT_TYPES );
				XubString aAttrs3;
				if( CollectAttrs( pVar, aAttrs3 ) )
					aLine += aAttrs3;
				if( !pVar->IsA( TYPE(SbxProperty) ) )
					aLine.AppendAscii( "  !! Not a Property !!" );
				rStrm.WriteByteString( aLine, RTL_TEXTENCODING_ASCII_US );

				// bei Object-Properties auch das Object ausgeben
				if ( pVar->GetValues_Impl().eType == SbxOBJECT &&
						pVar->GetValues_Impl().pObj &&
						pVar->GetValues_Impl().pObj != this &&
						pVar->GetValues_Impl().pObj != GetParent() )
				{
					rStrm << " contains ";
					((SbxObject*) pVar->GetValues_Impl().pObj)->Dump( rStrm, bFill );
				}
				else
					rStrm << endl;
			}
		}
	}

	// Objects
	rStrm << aIndentNameStr.GetBuffer() << "- Objects:" << endl;
	{
		for( sal_uInt16 i = 0; i < pObjs->Count(); i++ )
		{
			SbxVariableRef& r = pObjs->GetRef( i );
			SbxVariable* pVar = r;
			if ( pVar )
			{
				rStrm << aIndentNameStr.GetBuffer() << "  - Sub";
				if ( pVar->ISA(SbxObject) )
					((SbxObject*) pVar)->Dump( rStrm, bFill );
				else if ( pVar->ISA(SbxVariable) )
					((SbxVariable*) pVar)->Dump( rStrm, bFill );
			}
		}
	}

	rStrm << aIndentNameStr.GetBuffer() << "}" << endl << endl;
	--nLevel;
}

SvDispatch* SbxObject::GetSvDispatch()
{
	return NULL;
}

sal_Bool SbxMethod::Run( SbxValues* pValues )
{
	SbxValues aRes;
	if( !pValues )
		pValues = &aRes;
	pValues->eType = SbxVARIANT;
	return Get( *pValues );
}

SbxClassType SbxMethod::GetClass() const
{
	return SbxCLASS_METHOD;
}

SbxClassType SbxProperty::GetClass() const
{
	return SbxCLASS_PROPERTY;
}

void SbxObject::GarbageCollection( sal_uIntPtr nObjects )

/*	[Beschreibung]

	Diese statische Methode durchsucht die n"achsten 'nObjects' der zur Zeit
	existierenden <SbxObject>-Instanzen nach zyklischen Referenzen, die sich
	nur noch selbst am Leben erhalten. Ist 'nObjects==0', dann werden
	alle existierenden durchsucht.

	zur Zeit nur implementiert: Object -> Parent-Property -> Parent -> Object
*/

{
    (void)nObjects;

	static sal_Bool bInGarbageCollection = sal_False;
	if ( bInGarbageCollection )
		return;
	bInGarbageCollection = sal_True;

#if 0
	// erstes Object dieser Runde anspringen
	sal_Bool bAll = !nObjects;
	if ( bAll )
		rObjects.First();
	SbxObject *pObj = rObjects.GetCurObject();
	if ( !pObj )
		pObj = rObjects.First();

	while ( pObj && 0 != nObjects-- )
	{
		// hat der Parent nur noch 1 Ref-Count?
		SbxObject *pParent = PTR_CAST( SbxObject, pObj->GetParent() );
		if ( pParent && 1 == pParent->GetRefCount() )
		{
			// dann alle Properies des Objects durchsuchen
			SbxArray *pProps = pObj->GetProperties();
			for ( sal_uInt16 n = 0; n < pProps->Count(); ++n )
			{
				// verweist die Property auf den Parent des Object?
				SbxVariable *pProp = pProps->Get(n);
				const SbxValues &rValues = pProp->GetValues_Impl();
				if ( SbxOBJECT == rValues.eType &&
					 pParent == rValues.pObj )
				{
#ifdef DBG_UTIL
					DbgOutf( "SBX: %s.%s with Object %s was garbage",
							 pObj->GetName().GetStr(),
							 pProp->GetName().GetStr(),
							 pParent->GetName().GetStr() );
#endif
					// dann freigeben
					pProp->SbxValue::Clear();
					Sound::Beep();
					break;
				}
			}
		}

		// zum n"achsten
		pObj = rObjects.Next();
		if ( !bAll && !pObj )
			pObj = rObjects.First();
	}
#endif

// AB 28.10. Zur 507a vorerst raus, da SfxBroadcaster::Enable() wegfaellt
#if 0
#ifdef DBG_UTIL
	SbxVarList_Impl &rVars = GetSbxData_Impl()->aVars;
	DbgOutf( "SBX: garbage collector done, %lu objects remainding",
			 rVars.Count() );
	if ( rVars.Count() > 200 && rVars.Count() < 210 )
	{
		SvFileStream aStream( "d:\\tmp\\dump.sbx", STREAM_STD_WRITE );
		SfxBroadcaster::Enable(sal_False);
		for ( sal_uIntPtr n = 0; n < rVars.Count(); ++n )
		{
			SbxVariable *pVar = rVars.GetObject(n);
			SbxObject *pObj = PTR_CAST(SbxObject, pVar);
			sal_uInt16 nFlags = pVar->GetFlags();
			pVar->SetFlag(SBX_NO_BROADCAST);
			if ( pObj )
				pObj->Dump(aStream);
			else if ( !pVar->GetParent() || !pVar->GetParent()->ISA(SbxObject) )
				pVar->Dump(aStream);
			pVar->SetFlags(nFlags);
		}
		SfxBroadcaster::Enable(sal_True);
	}
#endif
#endif
	bInGarbageCollection = sal_False;
}