core/text/txttab.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_sw.hxx"

#include "hintids.hxx"
#include <editeng/lrspitem.hxx>
#ifndef _SVX_TSTPITEM_HXX //autogen
#include <editeng/tstpitem.hxx>
#endif
#include <IDocumentSettingAccess.hxx>
#include <frmatr.hxx>
#include <SwPortionHandler.hxx>

#include "viewopt.hxx"	// SwViewOptions
#include "txtcfg.hxx"
#include "portab.hxx"
#include "inftxt.hxx"
#include "itrform2.hxx"
#include "txtfrm.hxx"
#include <numrule.hxx>
// --> OD 2008-06-05 #i89179#
#include <porfld.hxx>
// <--


/*************************************************************************
 *                    SwLineInfo::GetTabStop()
 *************************************************************************/

//#i24363# tab stops relative to indent
/* Return the first tab stop that is > nSearchPos.
 * If the tab stop is outside the print area, we
 * return 0 if it is not the first tab stop.*/
const SvxTabStop *SwLineInfo::GetTabStop( const SwTwips nSearchPos,
                                         const SwTwips nRight ) const
{
	for( MSHORT i = 0; i < pRuler->Count(); ++i )
	{
		const SvxTabStop &rTabStop = pRuler->operator[](i);
		if( rTabStop.GetTabPos() > SwTwips(nRight) )
            return i ? 0 : &rTabStop;

        if( rTabStop.GetTabPos() > nSearchPos )
			return &rTabStop;
	}
	return 0;
}

/*************************************************************************
 *                    SwLineInfo::NumberOfTabStops()
 *************************************************************************/

sal_uInt16 SwLineInfo::NumberOfTabStops() const
{
    return pRuler->Count();
}

/*************************************************************************
 *                      SwTxtFormatter::NewTabPortion()
 *************************************************************************/
SwTabPortion *SwTxtFormatter::NewTabPortion( SwTxtFormatInfo &rInf, bool bAuto ) const
{
	SwTabPortion *pTabPor = 0;
	SwTabPortion  *pLastTab = rInf.GetLastTab();
    if( pLastTab && ( pLastTab->IsTabCntPortion() || pLastTab->IsTabDecimalPortion() ) )
		if( pLastTab->PostFormat( rInf ) )
			return 0;

    xub_Unicode cFill = 0;
    xub_Unicode cDec = 0;
	SvxTabAdjust eAdj;

	KSHORT nNewTabPos;
	{
        const bool bRTL = pFrm->IsRightToLeft();
        // #i24363# tab stops relative to indent
        // nTabLeft: The absolute value, the tab stops are relative to: Tabs origin.
        //
        // --> OD 2008-07-01 #i91133#
        const bool bTabsRelativeToIndent =
            pFrm->GetTxtNode()->getIDocumentSettingAccess()->get(IDocumentSettingAccess::TABS_RELATIVE_TO_INDENT);
        const SwTwips nTabLeft = bRTL
                                 ? pFrm->Frm().Right() -
                                   ( bTabsRelativeToIndent ? GetTabLeft() : 0 )
                                 : pFrm->Frm().Left() +
                                   ( bTabsRelativeToIndent ? GetTabLeft() : 0 );
        // <--

        //
        // nLinePos: The absolute position, where we started the line formatting.
        //
        SwTwips nLinePos = GetLeftMargin();
        if ( bRTL )
        {
            Point aPoint( nLinePos, 0 );
            pFrm->SwitchLTRtoRTL( aPoint );
            nLinePos = aPoint.X();
        }

        //
        // nTabPos: The current position, relative to the line start.
        //
        SwTwips nTabPos = rInf.GetLastTab() ? rInf.GetLastTab()->GetTabPos() : 0;
        if( nTabPos < rInf.X() )
        {
            nTabPos = rInf.X();
        }

        //
        // nCurrentAbsPos: The current position in absolute coordinates.
        //
        const SwTwips nCurrentAbsPos = bRTL ?
                                       nLinePos - nTabPos :
                                       nLinePos + nTabPos;

       //Badaa: 2008-04-18 * Support for Classical Mongolian Script (SCMS) joint with Jiayanmin
        SwTwips nMyRight;
        if ( pFrm->IsVertLR() )
           nMyRight = Left();
        else
           nMyRight = Right();

        if ( pFrm->IsVertical() )
        {
            Point aRightTop( nMyRight, pFrm->Frm().Top() );
            pFrm->SwitchHorizontalToVertical( aRightTop );
            nMyRight = aRightTop.Y();
        }

		SwTwips nNextPos;

        // #i24363# tab stops relative to indent
        // nSearchPos: The current position relative to the tabs origin.
        //
        const SwTwips nSearchPos = bRTL ?
                                   nTabLeft - nCurrentAbsPos :
                                   nCurrentAbsPos - nTabLeft;

        //
        // First, we examine the tab stops set at the paragraph style or
        // any hard set tab stops:
        // Note: If there are no user defined tab stops, there is always a
        // default tab stop.
        //
		const SvxTabStop* pTabStop =
            aLineInf.GetTabStop( nSearchPos, nMyRight );
		if( pTabStop )
		{
			cFill = ' ' != pTabStop->GetFill() ? pTabStop->GetFill() : 0;
			cDec = pTabStop->GetDecimal();
			eAdj = pTabStop->GetAdjustment();
            nNextPos = pTabStop->GetTabPos();
            if(!bTabsRelativeToIndent && eAdj == SVX_TAB_ADJUST_DEFAULT && nSearchPos < 0)
            {
                //calculate default tab position of default tabs in negative indent
                nNextPos = ( nSearchPos / nNextPos ) * nNextPos;
            }
		}
		else
		{
			KSHORT nDefTabDist = aLineInf.GetDefTabStop();
			if( KSHRT_MAX == nDefTabDist )
			{
				const SvxTabStopItem& rTab =
					(const SvxTabStopItem &)pFrm->GetAttrSet()->
					GetPool()->GetDefaultItem( RES_PARATR_TABSTOP );
				if( rTab.Count() )
					nDefTabDist = (KSHORT)rTab.GetStart()->GetTabPos();
				else
					nDefTabDist = SVX_TAB_DEFDIST;
				aLineInf.SetDefTabStop( nDefTabDist );
			}
            SwTwips nCount = nSearchPos;

			//Minimum tab stop width is 1
			if (nDefTabDist <= 0)
			    nDefTabDist = 1;

			nCount /= nDefTabDist;
            nNextPos = nCount < 0 || (!nCount && nSearchPos <= 0)? nCount * nDefTabDist :( nCount + 1 ) * nDefTabDist ;
            // --> FME 2004-09-21 #117919 Minimum tab stop width is 1 or 51 twips:
            const SwTwips nMinimumTabWidth = pFrm->GetTxtNode()->getIDocumentSettingAccess()->get(IDocumentSettingAccess::TAB_COMPAT) ? 0 : 50;
            // <--
            if( (  bRTL && nTabLeft - nNextPos >= nCurrentAbsPos - nMinimumTabWidth ) ||
                 ( !bRTL && nNextPos + nTabLeft <= nCurrentAbsPos + nMinimumTabWidth  ) )
            {
                nNextPos += nDefTabDist;
            }
			cFill = 0;
			eAdj = SVX_TAB_ADJUST_LEFT;
		}

        // --> OD #i115705# - correction and refactoring:
        // overrule determined next tab stop position in order to apply
        // a tab stop at the left margin under the following conditions:
        // - the new tab portion is inside the hanging indent
        // - a tab stop at the left margin is allowed
        // - the determined next tab stop is a default tab stop position OR
        //   the determined next tab stop is beyond the left margin
        {
            long nLeftMarginTabPos = 0;
            {
                if ( !bTabsRelativeToIndent )
                {
                    if ( bRTL )
                    {
                        Point aPoint( Left(), 0 );
                        pFrm->SwitchLTRtoRTL( aPoint );
                        nLeftMarginTabPos = pFrm->Frm().Right() - aPoint.X();
                    }
                    else
                    {
                        nLeftMarginTabPos = Left() - pFrm->Frm().Left();
                    }
                }
                if( pCurr->HasForcedLeftMargin() )
                {
                    SwLinePortion* pPor = pCurr->GetPortion();
                    while( pPor && !pPor->IsFlyPortion() )
                    {
                        pPor = pPor->GetPortion();
                    }
                    if ( pPor )
                    {
                        nLeftMarginTabPos += pPor->Width();
                    }
                }
            }
            const bool bNewTabPortionInsideHangingIndent =
                        bRTL ? nCurrentAbsPos > nTabLeft - nLeftMarginTabPos
                             : nCurrentAbsPos < nTabLeft + nLeftMarginTabPos;
            if ( bNewTabPortionInsideHangingIndent )
            {
                // If the paragraph is not inside a list having a list tab stop following
                // the list label or no further tab stop found in such a paragraph or
                // the next tab stop position does not equal the list tab stop,
                // a tab stop at the left margin can be applied. If this condition is
                // not hold, it is overruled by compatibility option TAB_AT_LEFT_INDENT_FOR_PARA_IN_LIST.
                const bool bTabAtLeftMarginAllowed =
                    ( !aLineInf.IsListTabStopIncluded() ||
                      !pTabStop ||
                      nNextPos != aLineInf.GetListTabStopPosition() ) ||
                    // compatibility option TAB_AT_LEFT_INDENT_FOR_PARA_IN_LIST:
                    pFrm->GetTxtNode()->getIDocumentSettingAccess()->
                        get(IDocumentSettingAccess::TAB_AT_LEFT_INDENT_FOR_PARA_IN_LIST);
                if ( bTabAtLeftMarginAllowed )
                {
                    if ( !pTabStop || eAdj == SVX_TAB_ADJUST_DEFAULT ||
                         ( nNextPos > nLeftMarginTabPos ) )
                    {
                        eAdj = SVX_TAB_ADJUST_DEFAULT;
                        cFill = 0;
                        nNextPos = nLeftMarginTabPos;
                    }
                }
            }
        }
        // <--

        nNextPos += bRTL ? nLinePos - nTabLeft : nTabLeft - nLinePos;
		ASSERT( nNextPos >= 0, "GetTabStop: Don't go back!" );
		nNewTabPos = KSHORT(nNextPos);
	}

    if ( bAuto )
    {
        if ( SVX_TAB_ADJUST_DECIMAL == eAdj &&
             // --> FME 2005-12-19 #127428#
             1 == aLineInf.NumberOfTabStops() )
             // <--
            pTabPor = new SwAutoTabDecimalPortion( nNewTabPos, cDec, cFill );
    }
    else
    {
        switch( eAdj )
        {
	        case SVX_TAB_ADJUST_RIGHT :
   		    {
    		    pTabPor = new SwTabRightPortion( nNewTabPos, cFill );
		        break;
	        }
	        case SVX_TAB_ADJUST_CENTER :
	        {
       			pTabPor = new SwTabCenterPortion( nNewTabPos, cFill );
		        break;
	        }
	        case SVX_TAB_ADJUST_DECIMAL :
	        {
       			pTabPor = new SwTabDecimalPortion( nNewTabPos, cDec, cFill );
		        break;
	        }
	        default:
	        {
       			ASSERT( SVX_TAB_ADJUST_LEFT == eAdj || SVX_TAB_ADJUST_DEFAULT == eAdj,
				        "+SwTxtFormatter::NewTabPortion: unknown adjustment" );
		        pTabPor = new SwTabLeftPortion( nNewTabPos, cFill );
		        break;
	        }
        }
    }

	// Vorhandensein von Tabulatoren anzeigen ... ist nicht mehr noetig
	// pCurr->SetTabulation();
	// Aus Sicherheitsgruenden lassen wir uns die Daten errechnen
	// pTabPor->Height( pLast->Height() );
	// pTabPor->SetAscent( pLast->GetAscent() );
	return pTabPor;
}

/*************************************************************************
 *                SwTabPortion::SwTabPortion()
 *************************************************************************/

// Die Basisklasse wird erstmal ohne alles initialisiert.


SwTabPortion::SwTabPortion( const KSHORT nTabPosition, const xub_Unicode cFillChar )
    : SwFixPortion( 0, 0 ), nTabPos(nTabPosition), cFill(cFillChar)
{
	nLineLength = 1;
#ifdef DBG_UTIL
	if( IsFilled() )
	{
		ASSERT( ' ' != cFill, "SwTabPortion::CTOR: blanks ?!" );
	}
#endif
	SetWhichPor( POR_TAB );
}

/*************************************************************************
 *                 virtual SwTabPortion::Format()
 *************************************************************************/


sal_Bool SwTabPortion::Format( SwTxtFormatInfo &rInf )
{
	SwTabPortion *pLastTab = rInf.GetLastTab();
	if( pLastTab == this )
		return PostFormat( rInf );
	if( pLastTab )
		pLastTab->PostFormat( rInf );
	return PreFormat( rInf );
}

/*************************************************************************
 *                 virtual SwTabPortion::FormatEOL()
 *************************************************************************/


void SwTabPortion::FormatEOL( SwTxtFormatInfo &rInf )
{
	if( rInf.GetLastTab() == this && !IsTabLeftPortion() )
		PostFormat( rInf );
}

/*************************************************************************
 *                    SwTabPortion::PreFormat()
 *************************************************************************/


sal_Bool SwTabPortion::PreFormat( SwTxtFormatInfo &rInf )
{
	ASSERT( rInf.X() <= GetTabPos(), "SwTabPortion::PreFormat: rush hour" );

	// Hier lassen wir uns nieder...
    Fix( static_cast<sal_uInt16>(rInf.X()) );

    const bool bTabCompat = rInf.GetTxtFrm()->GetTxtNode()->getIDocumentSettingAccess()->get(IDocumentSettingAccess::TAB_COMPAT);

    // Die Mindestbreite eines Tabs ist immer mindestens ein Blank
    // --> FME 2004-11-25 #i37686# In compatibility mode, the minimum width
    // should be 1, even for non-left tab stops.
    sal_uInt16 nMinimumTabWidth = 1;
    // <--
    if ( !bTabCompat )
    {
        // --> OD 2008-06-05 #i89179#
        // tab portion representing the list tab of a list label gets the
        // same font as the corresponding number portion
        std::auto_ptr< SwFontSave > pSave( 0 );
        if ( GetLen() == 0 &&
             rInf.GetLast() && rInf.GetLast()->InNumberGrp() &&
             static_cast<SwNumberPortion*>(rInf.GetLast())->HasFont() )
        {
            const SwFont* pNumberPortionFont =
                    static_cast<SwNumberPortion*>(rInf.GetLast())->GetFont();
            pSave.reset( new SwFontSave( rInf, const_cast<SwFont*>(pNumberPortionFont) ) );
        }
        // <--
        XubString aTmp( ' ' );
        SwTxtSizeInfo aInf( rInf, aTmp );
        nMinimumTabWidth = aInf.GetTxtSize().Width();
    }
    PrtWidth( nMinimumTabWidth );

    // Break tab stop to next line if:
    // 1. Minmal width does not fit to line anymore.
    // 2. An underflow event was called for the tab portion.
	sal_Bool bFull = ( bTabCompat && rInf.IsUnderFlow() ) ||
                       rInf.Width() <= rInf.X() + PrtWidth();

    // #95477# Rotated tab stops get the width of one blank
    const sal_uInt16 nDir = rInf.GetFont()->GetOrientation( rInf.GetTxtFrm()->IsVertical() );

    if( ! bFull && 0 == nDir )
	{
		const MSHORT nWhich = GetWhichPor();
		switch( nWhich )
		{
			case POR_TABRIGHT:
			case POR_TABDECIMAL:
			case POR_TABCENTER:
			{
				if( POR_TABDECIMAL == nWhich )
					rInf.SetTabDecimal(
						((SwTabDecimalPortion*)this)->GetTabDecimal());
				rInf.SetLastTab( this );
				break;
			}
			case POR_TABLEFT:
			{
                PrtWidth( static_cast<sal_uInt16>(GetTabPos() - rInf.X()) );
                bFull = rInf.Width() <= rInf.X() + PrtWidth();

                // In tabulator compatibility mode, we reset the bFull flag
                // if the tabulator is at the end of the paragraph and the
                // tab stop position is outside the frame:
                if ( bFull && bTabCompat &&
                     rInf.GetIdx() + GetLen() == rInf.GetTxt().Len() &&
                     GetTabPos() >= rInf.GetTxtFrm()->Frm().Width() )
                    bFull = sal_False;

				break;
			}
			default: ASSERT( !this, "SwTabPortion::PreFormat: unknown adjustment" );
		}
	}

	if( bFull )
	{
		// Wir muessen aufpassen, dass wir nicht endlos schleifen,
		// wenn die Breite kleiner ist, als ein Blank ...
		if( rInf.GetIdx() == rInf.GetLineStart() &&
            // --> FME 2005-01-19 #119175# TabStop should be forced to current
            // line if there is a fly reducing the line width:
            !rInf.GetFly() )
            // <--
		{
            PrtWidth( static_cast<sal_uInt16>(rInf.Width() - rInf.X()) );
			SetFixWidth( PrtWidth() );
		}
		else
		{
			Height( 0 );
			Width( 0 );
			SetLen( 0 );
			SetAscent( 0 );
			SetPortion( NULL ); //?????
		}
		return sal_True;
	}
	else
	{
		// Ein Kunstgriff mit Effekt: Die neuen Tabportions verhalten sich nun
		// so, wie FlyFrms, die in der Zeile stehen - inklusive Adjustment !
		SetFixWidth( PrtWidth() );
		return sal_False;
	}
}

/*************************************************************************
 *                      SwTabPortion::PostFormat()
 *************************************************************************/


sal_Bool SwTabPortion::PostFormat( SwTxtFormatInfo &rInf )
{
	const KSHORT nRight = Min( GetTabPos(), rInf.Width() );
	const SwLinePortion *pPor = GetPortion();

    KSHORT nPorWidth = 0;
    while( pPor )
    {
   		DBG_LOOP;
	    nPorWidth = nPorWidth + pPor->Width();
	    pPor = pPor->GetPortion();
    }

	const MSHORT nWhich = GetWhichPor();
	ASSERT( POR_TABLEFT != nWhich, "SwTabPortion::PostFormat: already formatted" );
    const bool bTabCompat = rInf.GetTxtFrm()->GetTxtNode()->getIDocumentSettingAccess()->get(IDocumentSettingAccess::TAB_COMPAT);

    // --> FME 2005-12-19 #127428# Abandon dec. tab position if line is full:
    if ( bTabCompat && POR_TABDECIMAL == nWhich )
    {
        KSHORT nPrePorWidth = static_cast<const SwTabDecimalPortion*>(this)->GetWidthOfPortionsUpToDecimalPosition();

        // no value was set => no decimal character was found
        if ( USHRT_MAX != nPrePorWidth )
        {
            if ( nPrePorWidth && nPorWidth - nPrePorWidth > rInf.Width() - nRight )
            {
                nPrePorWidth += nPorWidth - nPrePorWidth - ( rInf.Width() - nRight );
            }

            nPorWidth = nPrePorWidth - 1;
        }
    }
    // <--

    if( POR_TABCENTER == nWhich )
	{
		// zentrierte Tabs bereiten Probleme:
		// Wir muessen den Anteil herausfinden, der noch auf die Zeile passt.
		KSHORT nNewWidth = nPorWidth /2;
		if( nNewWidth > rInf.Width() - nRight )
			nNewWidth = nPorWidth - (rInf.Width() - nRight);
		nPorWidth = nNewWidth;
	}

	const KSHORT nDiffWidth = nRight - Fix();

	if( nDiffWidth > nPorWidth )
	{
		const KSHORT nOldWidth = GetFixWidth();
		const KSHORT nAdjDiff = nDiffWidth - nPorWidth;
		if( nAdjDiff > GetFixWidth() )
			PrtWidth( nAdjDiff );
		// Nicht erschrecken: wir muessen rInf weiterschieben.
		// Immerhin waren wir als Rechtstab bislang nur ein Blank breit.
		// Da wir uns jetzt aufgespannt haben, muss der Differenzbetrag
		// auf rInf.X() addiert werden !
		rInf.X( rInf.X() + PrtWidth() - nOldWidth );
	}
	SetFixWidth( PrtWidth() );
	// letzte Werte zuruecksetzen
	rInf.SetLastTab(0);
	if( POR_TABDECIMAL == nWhich )
		rInf.SetTabDecimal(0);

	return rInf.Width() <= rInf.X();
}

/*************************************************************************
 *                virtual SwTabPortion::Paint()
 *
 * Ex: LineIter::DrawTab()
 *************************************************************************/

void SwTabPortion::Paint( const SwTxtPaintInfo &rInf ) const
{
#ifdef DBG_UTIL
	// Wir wollen uns die Fixbreite anzeigen
    if( rInf.OnWin() && OPTDBG( rInf ) &&
        !rInf.GetOpt().IsPagePreview() && \
        !rInf.GetOpt().IsReadonly() && \
        SwViewOption::IsFieldShadings()    )
	{
		const KSHORT nTmpWidth = PrtWidth();
		((SwTabPortion*)this)->PrtWidth( GetFixWidth() );
		rInf.DrawViewOpt( *this, POR_TAB );
		((SwTabPortion*)this)->PrtWidth( nTmpWidth );
	}
#endif

    // --> OD 2008-06-05 #i89179#
    // tab portion representing the list tab of a list label gets the
    // same font as the corresponding number portion
    std::auto_ptr< SwFontSave > pSave( 0 );
    if ( GetLen() == 0 )
    {
        const SwLinePortion* pPrevPortion =
            const_cast<SwTabPortion*>(this)->FindPrevPortion( rInf.GetParaPortion() );
        if ( pPrevPortion &&
             pPrevPortion->InNumberGrp() &&
             static_cast<const SwNumberPortion*>(pPrevPortion)->HasFont() )
        {
            const SwFont* pNumberPortionFont =
                    static_cast<const SwNumberPortion*>(pPrevPortion)->GetFont();
            pSave.reset( new SwFontSave( rInf, const_cast<SwFont*>(pNumberPortionFont) ) );
        }
    }
    // <--
	rInf.DrawBackBrush( *this );

    // do we have to repaint a post it portion?
    if( rInf.OnWin() && pPortion && !pPortion->Width() )
        pPortion->PrePaint( rInf, this );

    // Darstellung von Sonderzeichen
	if( rInf.OnWin() && rInf.GetOpt().IsTab() )
	{
		// gefuellte Tabs werden grau hinterlegt.
		if( IsFilled() )
			rInf.DrawViewOpt( *this, POR_TAB );
		else
			rInf.DrawTab( *this );
	}

	// 6842: Tabs sollen auf einmal wieder unterstrichen werden.
	if( rInf.GetFont()->IsPaintBlank() )
	{
		// Tabs mit Fuellung
		XubString aTxt( ' ' );
		const KSHORT nCharWidth = rInf.GetTxtSize( aTxt ).Width();
		// robust:
		if( nCharWidth )
		{
			// 6864: immer mit Kerning, auch auf dem Drucker!
			KSHORT nChar = Width() / nCharWidth;
			rInf.DrawText( aTxt.Fill( nChar, ' ' ), *this, 0, nChar, sal_True );
		}
	}

	// Ausgabe von Fuellzeichen
	if( IsFilled() )
	{
		// Tabs mit Fuellung
		XubString aTxt( cFill );
		const KSHORT nCharWidth = rInf.GetTxtSize( aTxt ).Width();
#if OSL_DEBUG_LEVEL > 1
		ASSERT( nCharWidth, "!SwTabPortion::Paint: sophisticated tabchar" );
#endif
		// robust:
		if( nCharWidth )
		{
			// 6864: immer mit Kerning, auch auf dem Drucker!
			KSHORT nChar = Width() / nCharWidth;
			if ( cFill == '_' )
				++nChar; // damit keine Luecken entstehen (Bug 13430)
			rInf.DrawText( aTxt.Fill( nChar, cFill ), *this, 0, nChar, sal_True );
		}
	}
}

/*************************************************************************
 *                virtual SwAutoTabDecimalPortion::Paint()
 *************************************************************************/

void SwAutoTabDecimalPortion::Paint( const SwTxtPaintInfo & ) const
{
}

/*************************************************************************
 *              virtual SwTabPortion::HandlePortion()
 *************************************************************************/

void SwTabPortion::HandlePortion( SwPortionHandler& rPH ) const
{
    rPH.Text( GetLen(), GetWhichPor() );
}