core/crsr/trvltbl.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 <vcl/svapp.hxx>
#include <editeng/protitem.hxx>
#include <crsrsh.hxx>
#include <doc.hxx>
#include <cntfrm.hxx>
#include <editsh.hxx>		//EndAllAction gibts nur an der EditShell
#include <pam.hxx>
#include <swtable.hxx>
#include <docary.hxx>
#include <frmatr.hxx>
#include <frmfmt.hxx>
#include <viscrs.hxx>
#include <callnk.hxx>
#include <tabfrm.hxx>
#include <ndtxt.hxx>
#include <shellres.hxx>
#include <cellatr.hxx>
#include <cellfrm.hxx>
#include <rowfrm.hxx>


// setze Crsr in die naechsten/vorherigen Celle
sal_Bool SwCrsrShell::GoNextCell( sal_Bool bAppendLine )
{
	sal_Bool bRet = sal_False;
    const SwTableNode* pTblNd = 0;

	if( IsTableMode() || 0 != ( pTblNd = IsCrsrInTbl() ))
	{
		SwCursor* pCrsr = pTblCrsr ? pTblCrsr : pCurCrsr;
		SwCallLink aLk( *this );		// Crsr-Moves ueberwachen,
		bRet = sal_True;

        // Check if we have to move the cursor to a covered cell before
        // proceeding:
        const SwNode* pTableBoxStartNode = pCrsr->GetNode()->FindTableBoxStartNode();
        const SwTableBox* pTableBox = 0;

        if ( pCrsr->GetCrsrRowSpanOffset() )
        {
            pTableBox = pTableBoxStartNode->GetTblBox();
            if ( pTableBox->getRowSpan() > 1 )
            {
                if ( !pTblNd )
                    pTblNd = IsCrsrInTbl();
                pTableBox = & pTableBox->FindEndOfRowSpan( pTblNd->GetTable(),
                                                           (sal_uInt16)(pTableBox->getRowSpan() + pCrsr->GetCrsrRowSpanOffset() ) );
                pTableBoxStartNode = pTableBox->GetSttNd();
            }
        }

        SwNodeIndex  aCellStt( *pTableBoxStartNode->EndOfSectionNode(), 1 );

        // folgt nach dem EndNode der Cell ein weiterer StartNode, dann
		// gibt es auch eine naechste Celle

        if( !aCellStt.GetNode().IsStartNode() )
		{
			if( pCrsr->HasMark() ||	!bAppendLine )
				bRet = sal_False;
			else
			{
				// auf besonderen Wunsch: keine Line mehr vorhanden, dann
				// mache doch eine neue:
                if ( !pTableBox )
                    pTableBox = pTblNd->GetTable().GetTblBox(
								    pCrsr->GetPoint()->nNode.GetNode().
								    StartOfSectionIndex() );

                ASSERT( pTableBox, "Box steht nicht in dieser Tabelle" );
				SwSelBoxes aBoxes;

				//Das Dokument veraendert sich evtl. ohne Action wuerden die Sichten
				//nichts mitbekommen.
				((SwEditShell*)this)->StartAllAction();
				bRet = pDoc->InsertRow( pTblNd->GetTable().
									SelLineFromBox( pTableBox, aBoxes, sal_False ));
				((SwEditShell*)this)->EndAllAction();
			}
		}
		if( bRet && 0 != ( bRet = pCrsr->GoNextCell() ))
			UpdateCrsr();				  // und den akt. Updaten
	}
	return bRet;
}


sal_Bool SwCrsrShell::GoPrevCell()
{
	sal_Bool bRet = sal_False;
	const SwTableNode* pTblNd;
	if( IsTableMode() || 0 != ( pTblNd = IsCrsrInTbl() ))
	{
		SwCursor* pCrsr = pTblCrsr ? pTblCrsr : pCurCrsr;
		SwCallLink aLk( *this );		// Crsr-Moves ueberwachen,
		bRet = pCrsr->GoPrevCell();
		if( bRet )
			UpdateCrsr();				  // und den akt. Updaten
	}
	return bRet;
}

const SwFrm* lcl_FindMostUpperCellFrm( const SwFrm* pFrm )
{
    while ( pFrm &&
            ( !pFrm->IsCellFrm() ||
              !pFrm->GetUpper()->GetUpper()->IsTabFrm() ||
               pFrm->GetUpper()->GetUpper()->GetUpper()->IsInTab() ) )
    {
        pFrm = pFrm->GetUpper();
    }
    return pFrm;
}

sal_Bool SwCrsrShell::_SelTblRowOrCol( bool bRow, bool bRowSimple )
{
	// pruefe ob vom aktuellen Crsr der SPoint/Mark in einer Tabelle stehen
	SwFrm *pFrm = GetCurrFrm();
	if( !pFrm->IsInTab() )
		return sal_False;

    const SwTabFrm* pTabFrm = pFrm->FindTabFrm();
    const SwTabFrm* pMasterTabFrm = pTabFrm->IsFollow() ? pTabFrm->FindMaster( true ) : pTabFrm;
    const SwTable* pTable = pTabFrm->GetTable();

	SET_CURR_SHELL( this );

    const SwTableBox* pStt = 0;
    const SwTableBox* pEnd = 0;

    // lasse ueber das Layout die Boxen suchen
    SwSelBoxes aBoxes;
    SwTblSearchType eType = bRow ? nsSwTblSearchType::TBLSEARCH_ROW : nsSwTblSearchType::TBLSEARCH_COL;
    const bool bCheckProtected = !IsReadOnlyAvailable();

    if( bCheckProtected )
        eType = (SwTblSearchType)(eType | nsSwTblSearchType::TBLSEARCH_PROTECT);

    if ( !bRowSimple )
    {
        GetTblSel( *this, aBoxes, eType );

        if( !aBoxes.Count() )
            return sal_False;

        pStt = aBoxes[0];
        pEnd = aBoxes[aBoxes.Count() - 1];
    }
    // --> FME 2004-07-30 #i32329# Enhanced table selection
    else if ( pTable->IsNewModel() )
    {
    	const SwShellCrsr *pCrsr = _GetCrsr();
        SwTable::SearchType eSearchType = bRow ? SwTable::SEARCH_ROW : SwTable::SEARCH_COL;
        pTable->CreateSelection( *pCrsr, aBoxes, eSearchType, bCheckProtected );
        if( !aBoxes.Count() )
            return sal_False;

        pStt = aBoxes[0];
        pEnd = aBoxes[aBoxes.Count() - 1];
    }
    else
    {
    	const SwShellCrsr *pCrsr = _GetCrsr();
		const SwFrm* pStartFrm = pFrm;
        const SwCntntNode *pCNd = pCrsr->GetCntntNode( sal_False );
        const SwFrm* pEndFrm   = pCNd ? pCNd->getLayoutFrm( GetLayout(), &pCrsr->GetMkPos() ) : 0;

        if ( bRow )
        {
            pStartFrm = lcl_FindMostUpperCellFrm( pStartFrm );
            pEndFrm   = lcl_FindMostUpperCellFrm( pEndFrm   );
        }

        if ( !pStartFrm || !pEndFrm )
            return sal_False;

        const bool bVert = pFrm->ImplFindTabFrm()->IsVertical();

        // If we select upwards it is sufficient to set pStt and pEnd
        // to the first resp. last box of the selection obtained from
        // GetTblSel. However, selecting downwards requires the frames
        // located at the corners of the selection. This does not work
        // for column selections in vertical tables:
        const bool bSelectUp = ( bVert && !bRow ) ||
                                *pCrsr->GetPoint() <= *pCrsr->GetMark();
        SwCellFrms aCells;
        GetTblSel( static_cast<const SwCellFrm*>(pStartFrm),
                   static_cast<const SwCellFrm*>(pEndFrm),
                   aBoxes, bSelectUp ? 0 : &aCells, eType );

        if( !aBoxes.Count() || ( !bSelectUp && 4 != aCells.Count() ) )
            return sal_False;

        if ( bSelectUp )
        {
            pStt = aBoxes[0];
            pEnd = aBoxes[aBoxes.Count() - 1];
        }
        else
        {
            pStt = aCells[ bVert ? (bRow ? 0 : 3) : (bRow ? 2 : 1) ]->GetTabBox();  // will become point of table cursor
            pEnd = aCells[ bVert ? (bRow ? 3 : 0) : (bRow ? 1 : 2) ]->GetTabBox();  // will become mark of table cursor
        }
    }
    // <--

    // noch kein Tabellen-Cursor vorhanden, dann erzeuge einen
	if( !pTblCrsr )
	{
		pTblCrsr = new SwShellTableCrsr( *this, *pCurCrsr->GetPoint() );
		pCurCrsr->DeleteMark();
		pCurCrsr->SwSelPaintRects::Hide();
	}

    pTblCrsr->DeleteMark();

    // dann setze mal Anfang und Ende der Spalte
    pTblCrsr->GetPoint()->nNode = *pEnd->GetSttNd();
    pTblCrsr->Move( fnMoveForward, fnGoCntnt );
	pTblCrsr->SetMark();
    pTblCrsr->GetPoint()->nNode = *pStt->GetSttNd()->EndOfSectionNode();
    pTblCrsr->Move( fnMoveBackward, fnGoCntnt );

    // set PtPos 'close' to the reference table, otherwise we might get problems with the
    // repeated headlines check in UpdateCrsr():
    if ( !bRow )
        pTblCrsr->GetPtPos() = pMasterTabFrm->IsVertical() ? pMasterTabFrm->Frm().TopRight() : pMasterTabFrm->Frm().TopLeft();

	UpdateCrsr();				  // und den akt. Updaten
	return sal_True;
}

sal_Bool SwCrsrShell::SelTbl()
{
    // pruefe ob vom aktuellen Crsr der SPoint/Mark in einer Tabelle stehen
    SwFrm *pFrm = GetCurrFrm();
    if( !pFrm->IsInTab() )
        return sal_False;

    const SwTabFrm *pTblFrm = pFrm->ImplFindTabFrm();
    const SwTabFrm* pMasterTabFrm = pTblFrm->IsFollow() ? pTblFrm->FindMaster( true ) : pTblFrm;
    const SwTableNode* pTblNd = pTblFrm->GetTable()->GetTableNode();

    SET_CURR_SHELL( this );

    if( !pTblCrsr )
    {
        pTblCrsr = new SwShellTableCrsr( *this, *pCurCrsr->GetPoint() );
        pCurCrsr->DeleteMark();
        pCurCrsr->SwSelPaintRects::Hide();
    }

    pTblCrsr->DeleteMark();
    pTblCrsr->GetPoint()->nNode = *pTblNd;
    pTblCrsr->Move( fnMoveForward, fnGoCntnt );
    pTblCrsr->SetMark();
    // set MkPos 'close' to the master table, otherwise we might get problems with the
    // repeated headlines check in UpdateCrsr():
    pTblCrsr->GetMkPos() = pMasterTabFrm->IsVertical() ? pMasterTabFrm->Frm().TopRight() : pMasterTabFrm->Frm().TopLeft();
    pTblCrsr->GetPoint()->nNode = *pTblNd->EndOfSectionNode();
    pTblCrsr->Move( fnMoveBackward, fnGoCntnt );
    UpdateCrsr();                 // und den akt. Updaten
    return sal_True;
}


sal_Bool SwCrsrShell::SelTblBox()
{
    // if we're in a table, create a table cursor, and select the cell
    // that the current cursor's point resides in

    // search for start node of our table box. If not found, exit realy
    const SwStartNode* pStartNode =
        pCurCrsr->GetPoint()->nNode.GetNode().FindTableBoxStartNode();

#ifdef DBG_UTIL
    // the old code checks whether we're in a table by asking the
    // frame. This should yield the same result as searching for the
    // table box start node, right?
	SwFrm *pFrm = GetCurrFrm();
	DBG_ASSERT( !pFrm->IsInTab() == !(pStartNode != NULL),
                "Schroedinger's table: We're in a box, and also we aren't." );
#endif

    if( pStartNode == NULL )
        return sal_False;


	SET_CURR_SHELL( this );

    // create a table cursor, if there isn't one already
	if( !pTblCrsr )
	{
		pTblCrsr = new SwShellTableCrsr( *this, *pCurCrsr->GetPoint() );
		pCurCrsr->DeleteMark();
		pCurCrsr->SwSelPaintRects::Hide();
	}

    // select the complete box with our shiny new pTblCrsr
    // 1. delete mark, and move point to first content node in box
    // 2. set mark, and move point to last content node in box
    // 3. exchange

	pTblCrsr->DeleteMark();
    *(pTblCrsr->GetPoint()) = SwPosition( *pStartNode );
    pTblCrsr->Move( fnMoveForward, fnGoNode );

    pTblCrsr->SetMark();
    *(pTblCrsr->GetPoint()) = SwPosition( *(pStartNode->EndOfSectionNode()) );
    pTblCrsr->Move( fnMoveBackward, fnGoNode );

    pTblCrsr->Exchange();

    // with some luck, UpdateCrsr() will now update everything that
    // needs updateing
	UpdateCrsr();

	return sal_True;
}

// return the next non-protected cell inside a table
//      rIdx    - is on a table node
//  return:
//      true  - Idx points to content in a suitable cell
//      false - could not find a suitable cell
bool lcl_FindNextCell( SwNodeIndex& rIdx, sal_Bool bInReadOnly )
{
    // ueberpruefe geschuetzte Zellen
    SwNodeIndex aTmp( rIdx, 2 );            // TableNode + StartNode

    // the resulting cell should be in that table:
    const SwTableNode* pTblNd = rIdx.GetNode().GetTableNode();

    if ( !pTblNd )
    {
        ASSERT( false, "lcl_FindNextCell not celled with table start node!" )
        return false;
    }

    const SwNode* pTableEndNode = pTblNd->EndOfSectionNode();

    SwNodes& rNds = aTmp.GetNode().GetNodes();
    SwCntntNode* pCNd = aTmp.GetNode().GetCntntNode();

    // no content node => go to next content node
    if( !pCNd )
        pCNd = rNds.GoNext( &aTmp );

    // robust
    if ( !pCNd )
        return false;

    SwCntntFrm* pFrm = pCNd->getLayoutFrm( pCNd->GetDoc()->GetCurrentLayout() );

    if ( 0 == pFrm || pCNd->FindTableNode() != pTblNd ||
        (!bInReadOnly && pFrm->IsProtected() ) )
    {
        // we are not located inside a 'valid' cell. We have to continue searching...

        // skip behind current section. This might be the end of the table cell
        // or behind a inner section or or or...
        aTmp.Assign( *pCNd->EndOfSectionNode(), 1 );

        // loop to find a suitable cell...
        for( ;; )
        {
            SwNode* pNd = &aTmp.GetNode();

            // we break this loop if we reached the end of the table.
            // to make this code even more robust, we also break if we are
            // already behind the table end node:
            if( pNd == pTableEndNode || /*robust: */ pNd->GetIndex() > pTableEndNode->GetIndex() )
                return false;

            // ok, get the next content node:
            pCNd = aTmp.GetNode().GetCntntNode();
            if( 0 == pCNd )
                pCNd = rNds.GoNext( &aTmp );

            // robust:
            if ( !pCNd )
                return false;

            // check if we have found a suitable table cell:
            pFrm = pCNd->getLayoutFrm( pCNd->GetDoc()->GetCurrentLayout() );

            if ( 0 != pFrm && pCNd->FindTableNode() == pTblNd &&
                (bInReadOnly || !pFrm->IsProtected() ) )
            {
                // finally, we have found a suitable table cell => set index and return
                rIdx = *pCNd;
                return true;
            }

            // continue behind the current section:
            aTmp.Assign( *pCNd->EndOfSectionNode(), +1 );
        }
    }

    rIdx = *pCNd;
    return true;
}

// comments see lcl_FindNextCell
bool lcl_FindPrevCell( SwNodeIndex& rIdx, sal_Bool bInReadOnly  )
{
    SwNodeIndex aTmp( rIdx, -2 );       // TableNode + EndNode

    const SwNode* pTableEndNode = &rIdx.GetNode();
    const SwTableNode* pTblNd = pTableEndNode->StartOfSectionNode()->GetTableNode();

    if ( !pTblNd )
    {
        ASSERT( false, "lcl_FindPrevCell not celled with table start node!" )
        return false;
    }

    SwNodes& rNds = aTmp.GetNode().GetNodes();
	SwCntntNode* pCNd = aTmp.GetNode().GetCntntNode();

    if( !pCNd )
        pCNd = rNds.GoPrevious( &aTmp );

    if ( !pCNd )
        return false;

    SwCntntFrm* pFrm = pCNd->getLayoutFrm( pCNd->GetDoc()->GetCurrentLayout() );

    if( 0 == pFrm || pCNd->FindTableNode() != pTblNd ||
		(!bInReadOnly && pFrm->IsProtected() ))
	{
        // skip before current section
		aTmp.Assign( *pCNd->StartOfSectionNode(), -1 );
        for( ;; )
		{
            SwNode* pNd = &aTmp.GetNode();

            if( pNd == pTblNd || pNd->GetIndex() < pTblNd->GetIndex() )
                return false;

            pCNd = aTmp.GetNode().GetCntntNode();
            if( 0 == pCNd )
				pCNd = rNds.GoPrevious( &aTmp );

            if ( !pCNd )
                return false;

            pFrm = pCNd->getLayoutFrm( pCNd->GetDoc()->GetCurrentLayout() );

            if( 0 != pFrm && pCNd->FindTableNode() == pTblNd &&
                (bInReadOnly || !pFrm->IsProtected() ) )
			{
                rIdx = *pCNd;
                return true;      // Ok, nicht geschuetzt
			}
			aTmp.Assign( *pCNd->StartOfSectionNode(), - 1 );
		}
	}

    rIdx = *pCNd;
    return true;
}


sal_Bool GotoPrevTable( SwPaM& rCurCrsr, SwPosTable fnPosTbl,
						sal_Bool bInReadOnly )
{
	SwNodeIndex aIdx( rCurCrsr.GetPoint()->nNode );

	SwTableNode* pTblNd = aIdx.GetNode().FindTableNode();
	if( pTblNd )
    {
        // #i26532#: If we are inside a table, we may not go backward
        // to the table start node, because we would miss any tables
        // inside this table.
    	SwTableNode* pInnerTblNd = 0;
        SwNodeIndex aTmpIdx( aIdx );
        while( aTmpIdx.GetIndex() &&
                0 == ( pInnerTblNd = aTmpIdx.GetNode().StartOfSectionNode()->GetTableNode()) )
		    aTmpIdx--;

        if( pInnerTblNd == pTblNd )
    		aIdx.Assign( *pTblNd, - 1 );
    }

	do {
		while( aIdx.GetIndex() &&
            0 == ( pTblNd = aIdx.GetNode().StartOfSectionNode()->GetTableNode()) )
			aIdx--;

		if( pTblNd )		// gibt einen weiteren TableNode ?
		{
			if( fnPosTbl == fnMoveForward )			// an Anfang ?
			{
				aIdx = *aIdx.GetNode().StartOfSectionNode();
                if( !lcl_FindNextCell( aIdx, bInReadOnly ))
				{
					// Tabelle ueberspringen
					aIdx.Assign( *pTblNd, -1 );
					continue;
				}
			}
			else
			{
				// ueberpruefe geschuetzte Zellen
                if( !lcl_FindNextCell( aIdx, bInReadOnly ))
				{
					// Tabelle ueberspringen
					aIdx.Assign( *pTblNd, -1 );
					continue;
				}
			}

            SwTxtNode* pTxtNode = aIdx.GetNode().GetTxtNode();
            if ( pTxtNode )
            {
                rCurCrsr.GetPoint()->nNode = *pTxtNode;
                rCurCrsr.GetPoint()->nContent.Assign( pTxtNode, fnPosTbl == fnMoveBackward ?
                                                      pTxtNode->Len() :
                                                      0 );
            }
			return sal_True;
		}
	} while( pTblNd );

	return sal_False;
}


sal_Bool GotoNextTable( SwPaM& rCurCrsr, SwPosTable fnPosTbl,
						sal_Bool bInReadOnly )
{
	SwNodeIndex aIdx( rCurCrsr.GetPoint()->nNode );
	SwTableNode* pTblNd = aIdx.GetNode().FindTableNode();

	if( pTblNd )
		aIdx.Assign( *pTblNd->EndOfSectionNode(), 1 );

	sal_uLong nLastNd = rCurCrsr.GetDoc()->GetNodes().Count() - 1;
	do {
		while( aIdx.GetIndex() < nLastNd &&
				0 == ( pTblNd = aIdx.GetNode().GetTableNode()) )
			aIdx++;
		if( pTblNd )		// gibt einen weiteren TableNode ?
		{
			if( fnPosTbl == fnMoveForward )			// an Anfang ?
			{
                if( !lcl_FindNextCell( aIdx, bInReadOnly ))
				{
					// Tabelle ueberspringen
					aIdx.Assign( *pTblNd->EndOfSectionNode(), + 1 );
					continue;
				}
			}
			else
			{
				aIdx = *aIdx.GetNode().EndOfSectionNode();
				// ueberpruefe geschuetzte Zellen
                if( !lcl_FindNextCell( aIdx, bInReadOnly ))
				{
					// Tabelle ueberspringen
					aIdx.Assign( *pTblNd->EndOfSectionNode(), + 1 );
					continue;
				}
			}

            SwTxtNode* pTxtNode = aIdx.GetNode().GetTxtNode();
            if ( pTxtNode )
            {
                rCurCrsr.GetPoint()->nNode = *pTxtNode;
                rCurCrsr.GetPoint()->nContent.Assign( pTxtNode, fnPosTbl == fnMoveBackward ?
                                                      pTxtNode->Len() :
                                                      0 );
            }
			return sal_True;
		}
	} while( pTblNd );

	return sal_False;
}


sal_Bool GotoCurrTable( SwPaM& rCurCrsr, SwPosTable fnPosTbl,
						sal_Bool bInReadOnly )
{
	SwTableNode* pTblNd = rCurCrsr.GetPoint()->nNode.GetNode().FindTableNode();
	if( !pTblNd )
		return sal_False;

    SwTxtNode* pTxtNode = 0;
	if( fnPosTbl == fnMoveBackward )	// ans Ende der Tabelle
	{
		SwNodeIndex aIdx( *pTblNd->EndOfSectionNode() );
        if( !lcl_FindPrevCell( aIdx, bInReadOnly ))
			return sal_False;
        pTxtNode = aIdx.GetNode().GetTxtNode();
	}
	else
	{
		SwNodeIndex aIdx( *pTblNd );
        if( !lcl_FindNextCell( aIdx, bInReadOnly ))
			return sal_False;
        pTxtNode = aIdx.GetNode().GetTxtNode();
	}

    if ( pTxtNode )
    {
        rCurCrsr.GetPoint()->nNode = *pTxtNode;
        rCurCrsr.GetPoint()->nContent.Assign( pTxtNode, fnPosTbl == fnMoveBackward ?
                                                        pTxtNode->Len() :
                                                        0 );
    }

    return sal_True;
}


sal_Bool SwCursor::MoveTable( SwWhichTable fnWhichTbl, SwPosTable fnPosTbl )
{
	sal_Bool bRet = sal_False;
    SwTableCursor* pTblCrsr = dynamic_cast<SwTableCursor*>(this);

	if( pTblCrsr || !HasMark() )	// nur wenn kein Mark oder ein TblCrsr
	{
		SwCrsrSaveState aSaveState( *this );
		bRet = (*fnWhichTbl)( *this, fnPosTbl, IsReadOnlyAvailable() ) &&
                !IsSelOvr( nsSwCursorSelOverFlags::SELOVER_CHECKNODESSECTION |
                           nsSwCursorSelOverFlags::SELOVER_TOGGLE );
	}
	return bRet;
}

sal_Bool SwCrsrShell::MoveTable( SwWhichTable fnWhichTbl, SwPosTable fnPosTbl )
{
	SwCallLink aLk( *this );		// Crsr-Moves ueberwachen, evt. Link callen

	SwShellCrsr* pCrsr = pTblCrsr ? pTblCrsr : pCurCrsr;
	sal_Bool bCheckPos, bRet;
    sal_uLong nPtNd = 0;
    xub_StrLen nPtCnt = 0;

	if( !pTblCrsr && pCurCrsr->HasMark() )		// wenn Mark und kein TblCrsr,
	{
		// dann auf jedenfall in den Tabellen-Modus schalten
		pTblCrsr = new SwShellTableCrsr( *this, *pCurCrsr->GetPoint() );
		pCurCrsr->DeleteMark();
		pCurCrsr->SwSelPaintRects::Hide();
		pTblCrsr->SetMark();
		pCrsr = pTblCrsr;
		bCheckPos = sal_False;
	}
	else
	{
		bCheckPos = sal_True;
		nPtNd = pCrsr->GetPoint()->nNode.GetIndex();
		nPtCnt = pCrsr->GetPoint()->nContent.GetIndex();
	}

	bRet = pCrsr->MoveTable( fnWhichTbl, fnPosTbl );

	if( bRet )
	{
		//JP 28.10.97: Bug 45028 - die "oberste" Position setzen fuer
		//				wiederholte Kopfzeilen
		pCrsr->GetPtPos() = Point();

		UpdateCrsr(SwCrsrShell::SCROLLWIN|SwCrsrShell::CHKRANGE|SwCrsrShell::READONLY);

		if( bCheckPos &&
			pCrsr->GetPoint()->nNode.GetIndex() == nPtNd &&
			pCrsr->GetPoint()->nContent.GetIndex() == nPtCnt )
			bRet = sal_False;
	}
	return bRet;
}


sal_Bool SwCrsrShell::IsTblComplex() const
{
	SwFrm *pFrm = GetCurrFrm( sal_False );
	if ( pFrm && pFrm->IsInTab() )
		return pFrm->FindTabFrm()->GetTable()->IsTblComplex();
	return sal_False;
}


sal_Bool SwCrsrShell::IsTblComplexForChart()
{
	sal_Bool bRet = sal_False;

    StartAction();	// IsTblComplexForChart() may trigger table formatting
                    // we better do that inside an action

	const SwTableNode* pTNd = pCurCrsr->GetPoint()->nNode.GetNode().FindTableNode();
	if( pTNd )
	{
		// wir stehen in der Tabelle, dann teste mal, ob die Tabelle oder die
		// Selektion ausgeglichen ist.
		String sSel;
		if( pTblCrsr )
			sSel = GetBoxNms();
		bRet = pTNd->GetTable().IsTblComplexForChart( sSel );
	}

	EndAction();

	return bRet;
}

String SwCrsrShell::GetBoxNms() const
{
	String sNm;
	const SwPosition* pPos;
	SwFrm* pFrm;

	if( IsTableMode() )
	{
        SwCntntNode *pCNd = pTblCrsr->Start()->nNode.GetNode().GetCntntNode();
		pFrm = pCNd ? pCNd->getLayoutFrm( GetLayout() ) : 0;
        if( !pFrm )
            return sNm;

		do {
			pFrm = pFrm->GetUpper();
		} while ( pFrm && !pFrm->IsCellFrm() );

		ASSERT( pFrm, "kein Frame zur Box" );
		sNm = ((SwCellFrm*)pFrm)->GetTabBox()->GetName();
		sNm += ':';
		pPos = pTblCrsr->End();
	}
	else
	{
		const SwTableNode* pTblNd = IsCrsrInTbl();
		if( !pTblNd )
			return sNm;
		pPos = GetCrsr()->GetPoint();
	}

    SwCntntNode* pCNd = pPos->nNode.GetNode().GetCntntNode();
	pFrm = pCNd ? pCNd->getLayoutFrm( GetLayout() ) : 0;

    if( pFrm )
    {
        do {
            pFrm = pFrm->GetUpper();
        } while ( pFrm && !pFrm->IsCellFrm() );

        if( pFrm )
            sNm += ((SwCellFrm*)pFrm)->GetTabBox()->GetName();
    }
	return sNm;
}


sal_Bool SwCrsrShell::GotoTable( const String& rName )
{
	SwCallLink aLk( *this );		// Crsr-Moves ueberwachen,
	sal_Bool bRet = !pTblCrsr && pCurCrsr->GotoTable( rName );
	if( bRet )
	{
		pCurCrsr->GetPtPos() = Point();
		UpdateCrsr( SwCrsrShell::SCROLLWIN | SwCrsrShell::CHKRANGE |
					SwCrsrShell::READONLY ); // und den akt. Updaten
	}
	return bRet;
}


sal_Bool SwCrsrShell::CheckTblBoxCntnt( const SwPosition* pPos )
{
	if( !pBoxIdx || !pBoxPtr || IsSelTblCells() || !IsAutoUpdateCells() )
		return sal_False;

	// ueberpruefe, ob der Box Inhalt mit dem angegebenen Format der Box
	// ueber einstimmt. Wenn nicht, setze neu
	SwTableBox* pChkBox = 0;
	SwStartNode* pSttNd = 0;
	if( !pPos )
	{
		// gesicherte Position heraus holen.
		if( pBoxIdx && pBoxPtr &&
			0 != ( pSttNd = pBoxIdx->GetNode().GetStartNode() ) &&
			SwTableBoxStartNode == pSttNd->GetStartNodeType() &&
			pBoxPtr == pSttNd->FindTableNode()->GetTable().
						GetTblBox( pBoxIdx->GetIndex() ) )
			pChkBox = pBoxPtr;
	}
	else if( 0 != ( pSttNd = pPos->nNode.GetNode().
								FindSttNodeByType( SwTableBoxStartNode )) )
	{
		pChkBox = pSttNd->FindTableNode()->GetTable().GetTblBox( pSttNd->GetIndex() );
	}


	// Box mehr als 1 Absatz?
	if( pChkBox && pSttNd->GetIndex() + 2 != pSttNd->EndOfSectionIndex() )
		pChkBox = 0;

	// jetzt sollten wir mal die Pointer zerstoeren, bevor eine erneute
	// Actionklammerung kommt.
	if( !pPos && !pChkBox )
		ClearTblBoxCntnt();

	// liegt der Cursor nicht mehr in dem Bereich ?
	if( pChkBox && !pPos &&
		( pCurCrsr->HasMark() || pCurCrsr->GetNext() != pCurCrsr ||
		  pSttNd->GetIndex() + 1 == pCurCrsr->GetPoint()->nNode.GetIndex() ))
		pChkBox = 0;

	//JP 12.01.99: hat sich der Inhalt der Box ueberhaupt veraendert?
	// Ist wichtig, wenn z.B. Undo nicht den richtigen Inhalt wieder
	// herstellen konnte.
	if( pChkBox )
	{
		const SwTxtNode* pNd = GetDoc()->GetNodes()[
									pSttNd->GetIndex() + 1 ]->GetTxtNode();
		if( !pNd ||
			( pNd->GetTxt() == ViewShell::GetShellRes()->aCalc_Error &&
			  SFX_ITEM_SET == pChkBox->GetFrmFmt()->
							GetItemState( RES_BOXATR_FORMULA )) )
			pChkBox = 0;
	}

	if( pChkBox )
	{
		// jetzt sollten wir mal die Pointer zerstoeren, bevor ein weiterer
		// aufruf kommt.
		ClearTblBoxCntnt();
		StartAction();
		GetDoc()->ChkBoxNumFmt( *pChkBox, sal_True );
		EndAction();
	}

	return 0 != pChkBox;
}


void SwCrsrShell::SaveTblBoxCntnt( const SwPosition* pPos )
{
	if( IsSelTblCells() || !IsAutoUpdateCells() )
		return ;

	if( !pPos )
		pPos = pCurCrsr->GetPoint();

	SwStartNode* pSttNd = pPos->nNode.GetNode().FindSttNodeByType( SwTableBoxStartNode );

	sal_Bool bCheckBox = sal_False;
	if( pSttNd && pBoxIdx )
	{
		if( pSttNd == &pBoxIdx->GetNode() )
			pSttNd = 0;		// die haben wir schon
		else
			bCheckBox = sal_True;
	}
	else
		bCheckBox = 0 != pBoxIdx;

	if( bCheckBox )
	{
		// pBoxIdx Checken
		SwPosition aPos( *pBoxIdx );
		CheckTblBoxCntnt( &aPos );
	}

	if( pSttNd )
	{
		pBoxPtr = pSttNd->FindTableNode()->GetTable().GetTblBox( pSttNd->GetIndex() );

		if( pBoxIdx )
			*pBoxIdx = *pSttNd;
		else
			pBoxIdx = new SwNodeIndex( *pSttNd );
	}
}


void SwCrsrShell::ClearTblBoxCntnt()
{
	delete pBoxIdx, pBoxIdx = 0;
	pBoxPtr = 0;
}

sal_Bool SwCrsrShell::EndAllTblBoxEdit()
{
	sal_Bool bRet = sal_False;
	ViewShell *pSh = this;
	do {
		if( pSh->IsA( TYPE( SwCrsrShell ) ) )
			bRet |= ((SwCrsrShell*)pSh)->CheckTblBoxCntnt(
						((SwCrsrShell*)pSh)->pCurCrsr->GetPoint() );

	} while( this != (pSh = (ViewShell *)pSh->GetNext()) );
	return bRet;
}