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364 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <doc.hxx>
#include <IDocumentLayoutAccess.hxx>
#include <node.hxx>
#include <editsh.hxx>
#include <viscrs.hxx>
#include <redline.hxx>
#include <mvsave.hxx>
#include <docary.hxx>
#include <unocrsr.hxx>
namespace
{
/// find the relevant section in which the SwUnoCursor may wander.
/// returns NULL if no restrictions apply
const SwStartNode* lcl_FindUnoCursorSection( const SwNode& rNode )
{
const SwStartNode* pStartNode = rNode.StartOfSectionNode();
while( ( pStartNode != nullptr ) &&
( pStartNode->StartOfSectionNode() != pStartNode ) &&
( pStartNode->GetStartNodeType() == SwNormalStartNode ) )
pStartNode = pStartNode->StartOfSectionNode();
return pStartNode;
}
bool lcl_PosCorrAbs(SwPosition & rPos,
const SwPosition& rStart,
const SwPosition& rEnd,
const SwPosition& rNewPos)
{
if ((rStart <= rPos) && (rPos <= rEnd))
{
rPos = rNewPos;
return true;
}
return false;
};
bool lcl_PaMCorrAbs(SwPaM & rPam,
const SwPosition& rStart,
const SwPosition& rEnd,
const SwPosition& rNewPos)
{
bool bRet = false;
bRet |= lcl_PosCorrAbs(rPam.GetBound(), rStart, rEnd, rNewPos);
bRet |= lcl_PosCorrAbs(rPam.GetBound(false), rStart, rEnd, rNewPos);
return bRet;
};
void lcl_PaMCorrRel1(SwPaM * pPam,
SwNode const * const pOldNode,
const SwPosition& rNewPos,
const sal_Int32 nCntIdx)
{
for(int nb = 0; nb < 2; ++nb)
if(&(pPam->GetBound(bool(nb)).nNode.GetNode()) == pOldNode)
{
pPam->GetBound(bool(nb)).nNode = rNewPos.nNode;
pPam->GetBound(bool(nb)).nContent.Assign(
const_cast<SwIndexReg*>(rNewPos.nContent.GetIdxReg()),
nCntIdx + pPam->GetBound(bool(nb)).nContent.GetIndex());
}
}
}
void PaMCorrAbs( const SwPaM& rRange,
const SwPosition& rNewPos )
{
SwPosition const aStart( *rRange.Start() );
SwPosition const aEnd( *rRange.End() );
SwPosition const aNewPos( rNewPos );
SwDoc *const pDoc = aStart.nNode.GetNode().GetDoc();
SwCursorShell *const pShell = pDoc->GetEditShell();
if( pShell )
{
for(const SwViewShell& rShell : pShell->GetRingContainer())
{
if(dynamic_cast<const SwCursorShell *>(&rShell) == nullptr)
continue;
const SwCursorShell* pCursorShell = static_cast<const SwCursorShell*>(&rShell);
SwPaM *_pStackCursor = pCursorShell->GetStackCursor();
if( _pStackCursor )
for (;;)
{
lcl_PaMCorrAbs( *_pStackCursor, aStart, aEnd, aNewPos );<--- Null pointer dereference
if( !_pStackCursor )<--- Assuming that condition '!_pStackCursor' is not redundant
break;
_pStackCursor = _pStackCursor->GetNext();
if( _pStackCursor == pCursorShell->GetStackCursor() )
break;
}
for(SwPaM& rPaM : const_cast<SwShellCursor*>(pCursorShell->GetCursor_())->GetRingContainer())
{
lcl_PaMCorrAbs( rPaM, aStart, aEnd, aNewPos );
}
if( pCursorShell->IsTableMode() )
lcl_PaMCorrAbs( const_cast<SwPaM &>(*pCursorShell->GetTableCrs()), aStart, aEnd, aNewPos );
}
}
pDoc->cleanupUnoCursorTable();
for(const auto& pWeakUnoCursor : pDoc->mvUnoCursorTable)
{
auto pUnoCursor(pWeakUnoCursor.lock());
if(!pUnoCursor)
continue;
bool bChange = false; // has the UNO cursor been corrected?
// determine whether the UNO cursor will leave it's designated
// section
bool const bLeaveSection =
pUnoCursor->IsRemainInSection() &&
( lcl_FindUnoCursorSection( aNewPos.nNode.GetNode() ) !=
lcl_FindUnoCursorSection(
pUnoCursor->GetPoint()->nNode.GetNode() ) );
for(SwPaM& rPaM : pUnoCursor->GetRingContainer())
{
bChange |= lcl_PaMCorrAbs( rPaM, aStart, aEnd, aNewPos );
}
SwUnoTableCursor *const pUnoTableCursor =
dynamic_cast<SwUnoTableCursor *>(pUnoCursor.get());
if( pUnoTableCursor )
{
for(SwPaM& rPaM : pUnoTableCursor->GetSelRing().GetRingContainer())
{
bChange |=
lcl_PaMCorrAbs( rPaM, aStart, aEnd, aNewPos );
}
}
// if a UNO cursor leaves its designated section, we must inform
// (and invalidate) said cursor
if (bChange && bLeaveSection)
{
// the UNO cursor has left its section. We need to notify it!
sw::UnoCursorHint aHint;
pUnoCursor->m_aNotifier.Broadcast(aHint);
}
}
}
void SwDoc::CorrAbs(const SwNodeIndex& rOldNode,
const SwPosition& rNewPos,
const sal_Int32 nOffset,
bool bMoveCursor)
{
SwContentNode *const pContentNode( rOldNode.GetNode().GetContentNode() );
SwPaM const aPam(rOldNode, 0,
rOldNode, pContentNode ? pContentNode->Len() : 0);
SwPosition aNewPos(rNewPos);
aNewPos.nContent += nOffset;
getIDocumentMarkAccess()->correctMarksAbsolute(rOldNode, rNewPos, nOffset);
// fix redlines
{
SwRedlineTable& rTable = getIDocumentRedlineAccess().GetRedlineTable();
for (SwRedlineTable::size_type n = 0; n < rTable.size(); )
{
// is on position ??
SwRangeRedline *const pRedline( rTable[ n ] );
bool const bChanged =
lcl_PaMCorrAbs(*pRedline, *aPam.Start(), *aPam.End(), aNewPos);
// clean up empty redlines: docredln.cxx asserts these as invalid
if (bChanged && (*pRedline->GetPoint() == *pRedline->GetMark())
&& (pRedline->GetContentIdx() == nullptr))
{
rTable.DeleteAndDestroy(n);
}
else
{
++n;
}
}
// To-Do - need to add here 'SwExtraRedlineTable' also ?
}
if(bMoveCursor)
{
::PaMCorrAbs(aPam, aNewPos);
}
}
void SwDoc::CorrAbs(
const SwPaM& rRange,
const SwPosition& rNewPos,
bool bMoveCursor )
{
SwPosition aStart(*rRange.Start());
SwPosition aEnd(*rRange.End());
DelBookmarks( aStart.nNode, aEnd.nNode, nullptr, &aStart.nContent, &aEnd.nContent );
if(bMoveCursor)
::PaMCorrAbs(rRange, rNewPos);
}
void SwDoc::CorrAbs(
const SwNodeIndex& rStartNode,
const SwNodeIndex& rEndNode,
const SwPosition& rNewPos,
bool bMoveCursor )
{
DelBookmarks( rStartNode, rEndNode );
if(bMoveCursor)
{
SwContentNode *const pContentNode( rEndNode.GetNode().GetContentNode() );
SwPaM const aPam(rStartNode, 0,
rEndNode, pContentNode ? pContentNode->Len() : 0);
::PaMCorrAbs(aPam, rNewPos);
}
}
void PaMCorrRel( const SwNodeIndex &rOldNode,
const SwPosition &rNewPos,
const sal_Int32 nOffset )
{
const SwNode* pOldNode = &rOldNode.GetNode();
SwPosition aNewPos( rNewPos );
const SwDoc* pDoc = pOldNode->GetDoc();
const sal_Int32 nCntIdx = rNewPos.nContent.GetIndex() + nOffset;
SwCursorShell const* pShell = pDoc->GetEditShell();
if( pShell )
{
for(const SwViewShell& rShell : pShell->GetRingContainer())
{
if(dynamic_cast<const SwCursorShell *>(&rShell) == nullptr)
continue;
SwCursorShell* pCursorShell = const_cast<SwCursorShell*>(static_cast<const SwCursorShell*>(&rShell));
SwPaM *_pStackCursor = pCursorShell->GetStackCursor();
if( _pStackCursor )
for (;;)
{
lcl_PaMCorrRel1( _pStackCursor, pOldNode, aNewPos, nCntIdx );
if( !_pStackCursor )
break;
_pStackCursor = _pStackCursor->GetNext();
if( _pStackCursor == pCursorShell->GetStackCursor() )
break;
}
SwPaM* pStartPaM = pCursorShell->GetCursor_();
for(SwPaM& rPaM : pStartPaM->GetRingContainer())
{
lcl_PaMCorrRel1( &rPaM, pOldNode, aNewPos, nCntIdx);
}
if( pCursorShell->IsTableMode() )
lcl_PaMCorrRel1( pCursorShell->GetTableCrs(), pOldNode, aNewPos, nCntIdx );
}
}
pDoc->cleanupUnoCursorTable();
for(const auto& pWeakUnoCursor : pDoc->mvUnoCursorTable)
{
auto pUnoCursor(pWeakUnoCursor.lock());
if(!pUnoCursor)
continue;
for(SwPaM& rPaM : pUnoCursor->GetRingContainer())
{
lcl_PaMCorrRel1( &rPaM, pOldNode, aNewPos, nCntIdx );
}
SwUnoTableCursor* pUnoTableCursor =
dynamic_cast<SwUnoTableCursor*>(pUnoCursor.get());
if( pUnoTableCursor )
{
for(SwPaM& rPaM : pUnoTableCursor->GetSelRing().GetRingContainer())
{
lcl_PaMCorrRel1( &rPaM, pOldNode, aNewPos, nCntIdx );
}
}
}
}
void SwDoc::CorrRel(const SwNodeIndex& rOldNode,
const SwPosition& rNewPos,
const sal_Int32 nOffset,
bool bMoveCursor)
{
getIDocumentMarkAccess()->correctMarksRelative(rOldNode, rNewPos, nOffset);
{ // fix the Redlines
SwRedlineTable& rTable = getIDocumentRedlineAccess().GetRedlineTable();
SwPosition aNewPos(rNewPos);
for(SwRangeRedline* p : rTable)
{
// lies on the position ??
lcl_PaMCorrRel1( p, &rOldNode.GetNode(), aNewPos, aNewPos.nContent.GetIndex() + nOffset );
}
// To-Do - need to add here 'SwExtraRedlineTable' also ?
}
if(bMoveCursor)
::PaMCorrRel(rOldNode, rNewPos, nOffset);
}
SwEditShell const * SwDoc::GetEditShell() const
{
SwViewShell const *pCurrentView = getIDocumentLayoutAccess().GetCurrentViewShell();
// Layout and OLE shells should be available
if( pCurrentView )
{
for(const SwViewShell& rCurrentSh : pCurrentView->GetRingContainer())
{
// look for an EditShell (if it exists)
if( dynamic_cast<const SwEditShell *>(&rCurrentSh) != nullptr )
{<--- Consider using std::find_if algorithm instead of a raw loop.
return static_cast<const SwEditShell*>(&rCurrentSh);
}
}
}
return nullptr;
}
SwEditShell* SwDoc::GetEditShell()
{
return const_cast<SwEditShell*>( const_cast<SwDoc const *>( this )->GetEditShell() );
}
::sw::IShellCursorSupplier * SwDoc::GetIShellCursorSupplier()
{
return GetEditShell();
}
//bool foo()
//{
// bool b1 = true ? true : false;
// bool b2 = (true ? true : false) ? true : false;
// bool b3 = true ? (true ? true : false) : false;
// bool b4 = true ? true : (true ? true : false);
// return false;
//}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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