/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/


#ifndef SW_DDEFLD_HXX
#define SW_DDEFLD_HXX

#include <sfx2/lnkbase.hxx>
#include "swdllapi.h"
#include "fldbas.hxx"

class SwDoc;

/*--------------------------------------------------------------------
	Beschreibung: FieldType fuer DDE
 --------------------------------------------------------------------*/

class SW_DLLPUBLIC SwDDEFieldType : public SwFieldType
{
	String aName;
	String aExpansion;

    ::sfx2::SvBaseLinkRef refLink;
	SwDoc* pDoc;

	sal_uInt16 nRefCnt;
	sal_Bool bCRLFFlag : 1;
	sal_Bool bDeleted : 1;

	SW_DLLPRIVATE void _RefCntChgd();

public:
	SwDDEFieldType( const String& rName, const String& rCmd,
                    sal_uInt16 = sfx2::LINKUPDATE_ONCALL );
	~SwDDEFieldType();

	const String& GetExpansion() const			{ return aExpansion; }
	void SetExpansion( const String& rStr )		{ aExpansion = rStr,
												  bCRLFFlag = sal_False; }

	virtual SwFieldType* Copy() const;
	virtual const String& GetName() const;

    virtual sal_Bool        QueryValue( com::sun::star::uno::Any& rVal, sal_uInt16 nWhich ) const;
    virtual sal_Bool        PutValue( const com::sun::star::uno::Any& rVal, sal_uInt16 nWhich );

	String GetCmd() const;
	void SetCmd( const String& rStr );

	sal_uInt16 GetType() const 			{ return refLink->GetUpdateMode();	}
	void SetType( sal_uInt16 nType )	{ refLink->SetUpdateMode( nType );	}

	sal_Bool IsDeleted() const 			{ return bDeleted; }
	void SetDeleted( sal_Bool b )		{ bDeleted = b; }

    void UpdateNow()                { refLink->Update(); }
	void Disconnect()				{ refLink->Disconnect(); }

    const ::sfx2::SvBaseLink& GetBaseLink() const    { return *refLink; }
          ::sfx2::SvBaseLink& GetBaseLink()          { return *refLink; }

	const SwDoc* GetDoc() const 	{ return pDoc; }
		  SwDoc* GetDoc() 			{ return pDoc; }
	void SetDoc( SwDoc* pDoc );

	void IncRefCnt() {	if( !nRefCnt++ && pDoc ) _RefCntChgd();	}
	void DecRefCnt() {	if( !--nRefCnt && pDoc ) _RefCntChgd(); }

	void SetCRLFDelFlag( sal_Bool bFlag = sal_True )	{ bCRLFFlag = bFlag; }
};

/*--------------------------------------------------------------------
	Beschreibung: DDE-Feld
 --------------------------------------------------------------------*/

class SwDDEField : public SwField
{
private:
    virtual String   Expand() const;
    virtual SwField* Copy() const;

public:
	SwDDEField(SwDDEFieldType*);
	~SwDDEField();

	// ueber Typen Parameter ermitteln
	// Name kann nicht geaendert werden
	virtual const String& GetPar1() const;

	// Commando
	virtual String	GetPar2() const;
	virtual void	SetPar2(const String& rStr);
};


#endif // SW_DDEFLD_HXX