xref: /trunk/main/basic/inc/basic/sbxcore.hxx (revision 7fef15a0)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * 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
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#ifndef _SBXCORE_HXX
#define _SBXCORE_HXX

#include <tools/rtti.hxx>
#include <tools/ref.hxx>
#include <tools/debug.hxx>

#include "basic/basicdllapi.h"
#include <basic/sbxdef.hxx>

class SvStream;
class String;
class UniString;

// The following Macro defines four (five) necessary methods within a
// SBX object. LoadPrivateData() and StorePrivateData() must be implemented.
// They are necessary for loading/storing the data of derived classes.
// Load() and Store() must not be overridden.

// This version of the Macros does not define Load/StorePrivateData()-methods
#define SBX_DECL_PERSIST_NODATA( nCre, nSbxId, nVer )		\
	virtual sal_uInt32 GetCreator() const { return nCre;   }	\
	virtual sal_uInt16 GetVersion() const { return nVer;   }	\
	virtual sal_uInt16 GetSbxId() const	  { return nSbxId; }

#define SBX_DECL_PERSIST_NODATA_()							\
	virtual sal_uInt32 GetCreator() const;						\
	virtual sal_uInt16 GetVersion() const;						\
	virtual sal_uInt16 GetSbxId() const;

// This version of the macro defines Load/StorePrivateData()-methods
#define SBX_DECL_PERSIST( nCre, nSbxId, nVer )				\
	virtual sal_Bool LoadPrivateData( SvStream&, sal_uInt16 ); 		\
	virtual sal_Bool StorePrivateData( SvStream& ) const;  		\
	SBX_DECL_PERSIST_NODATA( nCre, nSbxId, nVer )

#define SBX_DECL_PERSIST_()									\
	virtual sal_Bool LoadPrivateData( SvStream&, sal_uInt16 ); 		\
	virtual sal_Bool StorePrivateData( SvStream& ) const;  		\
	SBX_DECL_PERSIST_NODATA_()

#define SBX_IMPL_PERSIST( C, nCre, nSbxId, nVer )			\
	sal_uInt32 C::GetCreator() const { return nCre;   }			\
	sal_uInt16 C::GetVersion() const { return nVer;   }			\
	sal_uInt16 C::GetSbxId() const	 { return nSbxId; }

class SbxBase;
class SbxFactory;
class SbxObject;

DBG_NAMEEX_VISIBILITY(SbxBase, BASIC_DLLPUBLIC)

class SbxBaseImpl;

class BASIC_DLLPUBLIC SbxBase : virtual public SvRefBase
{
	SbxBaseImpl* mpSbxBaseImpl;	// Impl data

	virtual sal_Bool LoadData( SvStream&, sal_uInt16 );
	virtual sal_Bool StoreData( SvStream& ) const;
protected:
	sal_uInt16 nFlags;			// Flag-Bits

	SbxBase();
	SbxBase( const SbxBase& );
	SbxBase& operator=( const SbxBase& );
	virtual ~SbxBase();
	SBX_DECL_PERSIST(0,0,0);
public:
	TYPEINFO();
	inline void		SetFlags( sal_uInt16 n );
	inline sal_uInt16	GetFlags() const;
	inline void		SetFlag( sal_uInt16 n );
	inline void		ResetFlag( sal_uInt16 n );
	inline sal_Bool		IsSet( sal_uInt16 n ) const;
	inline sal_Bool		IsReset( sal_uInt16 n ) const;
	inline sal_Bool		CanRead() const;
	inline sal_Bool		CanWrite() const;
	inline sal_Bool		IsModified() const;
	inline sal_Bool		IsConst() const;
	inline sal_Bool		IsHidden() const;
	inline sal_Bool		IsVisible() const;

	virtual sal_Bool IsFixed() const;
	virtual void SetModified( sal_Bool );

	virtual SbxDataType  GetType()  const;
	virtual SbxClassType GetClass() const;

	virtual void Clear();

	static SbxBase* Load( SvStream& );
	static void Skip( SvStream& );
	sal_Bool Store( SvStream& );
	virtual sal_Bool LoadCompleted();
	virtual sal_Bool StoreCompleted();

	static SbxError GetError();
	static void SetError( SbxError );
	static sal_Bool IsError();
	static void ResetError();

	// Set the factory for Load/Store/Create
	static void AddFactory( SbxFactory* );
	static void RemoveFactory( SbxFactory* );

	static SbxBase* Create( sal_uInt16, sal_uInt32=SBXCR_SBX );
	static SbxObject* CreateObject( const String& );
	// Sbx solution as replacement for SfxBroadcaster::Enable()
	static void StaticEnableBroadcasting( sal_Bool bEnable );
	static sal_Bool StaticIsEnabledBroadcasting( void );
};

#ifndef SBX_BASE_DECL_DEFINED
#define SBX_BASE_DECL_DEFINED
SV_DECL_REF(SbxBase)
#endif

inline void SbxBase::SetFlags( sal_uInt16 n )
{ DBG_CHKTHIS( SbxBase, 0 ); nFlags = n; }

inline sal_uInt16 SbxBase::GetFlags() const
{ DBG_CHKTHIS( SbxBase, 0 ); return nFlags; }

inline void SbxBase::SetFlag( sal_uInt16 n )
{ DBG_CHKTHIS( SbxBase, 0 ); nFlags |= n; }

inline void SbxBase::ResetFlag( sal_uInt16 n )
{ DBG_CHKTHIS( SbxBase, 0 ); nFlags &= ~n; }

inline sal_Bool SbxBase::IsSet( sal_uInt16 n ) const
{ DBG_CHKTHIS( SbxBase, 0 ); return sal_Bool( ( nFlags & n ) != 0 ); }

inline sal_Bool SbxBase::IsReset( sal_uInt16 n ) const
{ DBG_CHKTHIS( SbxBase, 0 ); return sal_Bool( ( nFlags & n ) == 0 ); }

inline sal_Bool SbxBase::CanRead() const
{ DBG_CHKTHIS( SbxBase, 0 ); return IsSet( SBX_READ ); }

inline sal_Bool SbxBase::CanWrite() const
{ DBG_CHKTHIS( SbxBase, 0 ); return IsSet( SBX_WRITE ); }

inline sal_Bool SbxBase::IsModified() const
{ DBG_CHKTHIS( SbxBase, 0 ); return IsSet( SBX_MODIFIED ); }

inline sal_Bool SbxBase::IsConst() const
{ DBG_CHKTHIS( SbxBase, 0 ); return IsSet( SBX_CONST ); }

inline sal_Bool SbxBase::IsHidden() const
{ DBG_CHKTHIS( SbxBase, 0 ); return IsSet( SBX_HIDDEN ); }

inline sal_Bool SbxBase::IsVisible() const
{ DBG_CHKTHIS( SbxBase, 0 ); return IsReset( SBX_INVISIBLE ); }

#endif