/**************************************************************
 * 
 * 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 _PORTXT_HXX
#define _PORTXT_HXX

#include <tools/mempool.hxx>

#include "porlin.hxx"

class SwTxtGuess;

/*************************************************************************
 *						class SwTxtPortion
 *************************************************************************/

class SwTxtPortion : public SwLinePortion
{
	void BreakCut( SwTxtFormatInfo &rInf, const SwTxtGuess &rGuess );
	void BreakUnderflow( SwTxtFormatInfo &rInf );
	sal_Bool _Format( SwTxtFormatInfo &rInf );

public:
	inline SwTxtPortion(){ SetWhichPor( POR_TXT ); }
	SwTxtPortion( const SwLinePortion &rPortion );
	virtual void Paint( const SwTxtPaintInfo &rInf ) const;
	virtual sal_Bool Format( SwTxtFormatInfo &rInf );
	virtual void FormatEOL( SwTxtFormatInfo &rInf );
	virtual xub_StrLen GetCrsrOfst( const KSHORT nOfst ) const;
	virtual SwPosSize GetTxtSize( const SwTxtSizeInfo &rInfo ) const;
	virtual sal_Bool GetExpTxt( const SwTxtSizeInfo &rInf, XubString &rTxt ) const;
    virtual long CalcSpacing( long nSpaceAdd, const SwTxtSizeInfo &rInf ) const;

	// zaehlt die Spaces fuer Blocksatz
	xub_StrLen GetSpaceCnt( const SwTxtSizeInfo &rInf, xub_StrLen& rCnt ) const;

	sal_Bool CreateHyphen( SwTxtFormatInfo &rInf, SwTxtGuess &rGuess );

    // Accessibility: pass information about this portion to the PortionHandler
    virtual void HandlePortion( SwPortionHandler& rPH ) const;

	OUTPUT_OPERATOR
	DECL_FIXEDMEMPOOL_NEWDEL(SwTxtPortion)
};


class SwTxtInputFldPortion : public SwTxtPortion
{
public:
    SwTxtInputFldPortion();

    virtual sal_Bool Format( SwTxtFormatInfo &rInf );
    virtual void Paint( const SwTxtPaintInfo &rInf ) const;
    virtual KSHORT GetViewWidth( const SwTxtSizeInfo &rInf ) const;
    virtual sal_Bool GetExpTxt( const SwTxtSizeInfo &rInf, XubString &rTxt ) const;
    virtual SwPosSize GetTxtSize( const SwTxtSizeInfo &rInfo ) const;

private:
    bool mbContainsInputFieldStart;
    bool mbContainsInputFieldEnd;
    bool ContainsOnlyDummyChars() const;
};

/*************************************************************************
 *						class SwHolePortion
 *************************************************************************/

class SwHolePortion : public SwLinePortion
{
	KSHORT nBlankWidth;
public:
			SwHolePortion( const SwTxtPortion &rPor );
	inline KSHORT GetBlankWidth( ) const { return nBlankWidth; }
	inline void SetBlankWidth( const KSHORT nNew ) { nBlankWidth = nNew; }
	virtual SwLinePortion *Compress();
	virtual sal_Bool Format( SwTxtFormatInfo &rInf );
	virtual void Paint( const SwTxtPaintInfo &rInf ) const;

    // Accessibility: pass information about this portion to the PortionHandler
    virtual void HandlePortion( SwPortionHandler& rPH ) const;

	OUTPUT_OPERATOR
	DECL_FIXEDMEMPOOL_NEWDEL(SwHolePortion)
};

class SwFieldMarkPortion : public SwTxtPortion
{
    public:
        inline SwFieldMarkPortion() : SwTxtPortion()
            { }
        virtual void Paint( const SwTxtPaintInfo &rInf ) const;
        virtual sal_Bool Format( SwTxtFormatInfo &rInf );
};

class SwFieldFormPortion : public SwTxtPortion
{
    public:
        inline SwFieldFormPortion() : SwTxtPortion()
            { }
    virtual void Paint( const SwTxtPaintInfo &rInf ) const;
    virtual sal_Bool Format( SwTxtFormatInfo &rInf );
};


CLASSIO( SwTxtPortion )
CLASSIO( SwHolePortion )

#endif