core/crsr/unocrsr.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 <unocrsr.hxx>
#include <doc.hxx>
#include <swtable.hxx>
#include <docary.hxx>
#include <rootfrm.hxx>

SV_IMPL_PTRARR( SwUnoCrsrTbl, SwUnoCrsrPtr )

IMPL_FIXEDMEMPOOL_NEWDEL( SwUnoCrsr, 10, 10 )

SwUnoCrsr::SwUnoCrsr( const SwPosition &rPos, SwPaM* pRing )
	: SwCursor( rPos, pRing, false ), SwModify( 0 ),
	bRemainInSection( sal_True ),
	bSkipOverHiddenSections( sal_False ),
	bSkipOverProtectSections( sal_False )

{}

SwUnoCrsr::~SwUnoCrsr()
{
	SwDoc* pDoc = GetDoc();
	if( !pDoc->IsInDtor() )
	{
		// dann muss der Cursor aus dem Array ausgetragen werden
		SwUnoCrsrTbl& rTbl = (SwUnoCrsrTbl&)pDoc->GetUnoCrsrTbl();
		sal_uInt16 nDelPos = rTbl.GetPos( this );

		if( USHRT_MAX != nDelPos )
			rTbl.Remove( nDelPos );
		else {
			ASSERT( !this, "UNO Cursor nicht mehr im Array" );
        }
	}

	// den gesamten Ring loeschen!
	while( GetNext() != this )
	{
		Ring* pNxt = GetNext();
		pNxt->MoveTo( 0 );		// ausketten
		delete pNxt;			// und loeschen
	}
}

SwUnoCrsr * SwUnoCrsr::Clone() const
{
    SwUnoCrsr * pNewCrsr = GetDoc()->CreateUnoCrsr( *GetPoint() );
    if (HasMark())
    {
        pNewCrsr->SetMark();
        *pNewCrsr->GetMark() = *GetMark();
    }
    return pNewCrsr;
}

SwUnoTableCrsr * SwUnoTableCrsr::Clone() const
{
    SwUnoTableCrsr * pNewCrsr = dynamic_cast<SwUnoTableCrsr*>(
        GetDoc()->CreateUnoCrsr(
            *GetPoint(), sal_True /* create SwUnoTableCrsr */ ) );
    OSL_ENSURE(pNewCrsr, "Clone: cannot create SwUnoTableCrsr?");
    if (HasMark())
    {
        pNewCrsr->SetMark();
        *pNewCrsr->GetMark() = *GetMark();
    }
    return pNewCrsr;
}


bool SwUnoCrsr::IsReadOnlyAvailable() const
{
    return true;
}

const SwCntntFrm*
SwUnoCrsr::DoSetBidiLevelLeftRight( sal_Bool &, sal_Bool, sal_Bool )
{
    return 0; // not for uno cursor
}

void SwUnoCrsr::DoSetBidiLevelUpDown()
{
    return; // not for uno cursor
}

sal_Bool SwUnoCrsr::IsSelOvr( int eFlags )
{
	if( bRemainInSection )
	{
		SwDoc* pDoc = GetDoc();
		SwNodeIndex aOldIdx( *pDoc->GetNodes()[ GetSavePos()->nNode ] );
		SwNodeIndex& rPtIdx = GetPoint()->nNode;
        SwStartNode *pOldSttNd = aOldIdx.GetNode().StartOfSectionNode(),
                    *pNewSttNd = rPtIdx.GetNode().StartOfSectionNode();
		if( pOldSttNd != pNewSttNd )
		{
			sal_Bool bMoveDown = GetSavePos()->nNode < rPtIdx.GetIndex();
			sal_Bool bValidPos = sal_False;

			// search the correct surrounded start node - which the index
			// can't leave.
			while( pOldSttNd->IsSectionNode() )
				pOldSttNd = pOldSttNd->StartOfSectionNode();

			// is the new index inside this surrounded section?
			if( rPtIdx > *pOldSttNd &&
				rPtIdx < pOldSttNd->EndOfSectionIndex() )
			{
				// check if it a valid move inside this section
				// (only over SwSection's !)
				const SwStartNode* pInvalidNode;
				do {
					pInvalidNode = 0;
                    pNewSttNd = rPtIdx.GetNode().StartOfSectionNode();

					const SwStartNode *pSttNd = pNewSttNd, *pEndNd = pOldSttNd;
					if( pSttNd->EndOfSectionIndex() >
						pEndNd->EndOfSectionIndex() )
					{
						pEndNd = pNewSttNd;
						pSttNd = pOldSttNd;
					}

					while( pSttNd->GetIndex() > pEndNd->GetIndex() )
					{
						if( !pSttNd->IsSectionNode() )
							pInvalidNode = pSttNd;
						pSttNd = pSttNd->StartOfSectionNode();
					}
					if( pInvalidNode )
					{
						if( bMoveDown )
						{
							rPtIdx.Assign( *pInvalidNode->EndOfSectionNode(), 1 );

							if( !rPtIdx.GetNode().IsCntntNode() &&
								( !pDoc->GetNodes().GoNextSection( &rPtIdx ) ||
                                  rPtIdx > pOldSttNd->EndOfSectionIndex() ) )
								break;
						}
						else
						{
							rPtIdx.Assign( *pInvalidNode, -1 );

							if( !rPtIdx.GetNode().IsCntntNode() &&
								( !pDoc->GetNodes().GoPrevSection( &rPtIdx ) ||
                            	  rPtIdx < *pOldSttNd ) )
								break;
						}
					}
					else
						bValidPos = sal_True;
				} while ( pInvalidNode );
			}

			if( bValidPos )
			{
				SwCntntNode* pCNd = GetCntntNode();
				sal_uInt16 nCnt = 0;
				if( pCNd && !bMoveDown )
					nCnt = pCNd->Len();
				GetPoint()->nContent.Assign( pCNd, nCnt );
			}
			else
			{
				rPtIdx = GetSavePos()->nNode;
				GetPoint()->nContent.Assign( GetCntntNode(), GetSavePos()->nCntnt );
				return sal_True;
			}
		}
	}
	return SwCursor::IsSelOvr( eFlags );
}


/*  */

SwUnoTableCrsr::SwUnoTableCrsr(const SwPosition& rPos)
	: SwCursor(rPos,0,false), SwUnoCrsr(rPos), SwTableCursor(rPos), aTblSel(rPos,0,false)
{
	SetRemainInSection(sal_False);
}

SwUnoTableCrsr::~SwUnoTableCrsr()
{
	while( aTblSel.GetNext() != &aTblSel )
		delete aTblSel.GetNext();			// und loeschen
}


/*
SwCursor* SwUnoTableCrsr::Create( SwPaM* pRing ) const
{
	return SwUnoCrsr::Create( pRing );
}
*/

sal_Bool SwUnoTableCrsr::IsSelOvr( int eFlags )
{
	sal_Bool bRet = SwUnoCrsr::IsSelOvr( eFlags );
	if( !bRet )
	{
		const SwTableNode* pTNd = GetPoint()->nNode.GetNode().FindTableNode();
		bRet = !(pTNd == GetDoc()->GetNodes()[ GetSavePos()->nNode ]->
				FindTableNode() && (!HasMark() ||
				pTNd == GetMark()->nNode.GetNode().FindTableNode() ));
	}
	return bRet;
}

void SwUnoTableCrsr::MakeBoxSels()
{
	const SwCntntNode* pCNd;
    bool bMakeTblCrsrs = true;
	if( GetPoint()->nNode.GetIndex() && GetMark()->nNode.GetIndex() &&
			0 != ( pCNd = GetCntntNode() ) && pCNd->getLayoutFrm( pCNd->GetDoc()->GetCurrentLayout() ) &&
			0 != ( pCNd = GetCntntNode(sal_False) ) && pCNd->getLayoutFrm( pCNd->GetDoc()->GetCurrentLayout() ) )
		bMakeTblCrsrs = GetDoc()->GetCurrentLayout()->MakeTblCrsrs( *this );

    if ( !bMakeTblCrsrs )
    {
        SwSelBoxes& rTmpBoxes = (SwSelBoxes&)GetBoxes();
        sal_uInt16 nCount = 0;
        while( nCount < rTmpBoxes.Count() )
            DeleteBox( nCount );
    }

	if( IsChgd() )
	{
		SwTableCursor::MakeBoxSels( &aTblSel );
		if( !GetBoxesCount() )
		{
			const SwTableBox* pBox;
			const SwNode* pBoxNd = GetPoint()->nNode.GetNode().FindTableBoxStartNode();
			const SwTableNode* pTblNd = pBoxNd ? pBoxNd->FindTableNode() : 0;
			if( pTblNd && 0 != ( pBox = pTblNd->GetTable().GetTblBox( pBoxNd->GetIndex() )) )
				InsertBox( *pBox );
		}
	}
}