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libreoffice/sw/source/core/doc/gctable.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

472 lines
16 KiB
C++

/* -*- 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 <hintids.hxx>
#include <tblrwcl.hxx>
#include <algorithm>
#include <editeng/borderline.hxx>
#include <editeng/boxitem.hxx>
#include <osl/diagnose.h>
using namespace ::editeng;
static const SvxBorderLine* GetLineTB( const SvxBoxItem* pBox, bool bTop )
{
return bTop ? pBox->GetTop() : pBox->GetBottom();
}
bool SwGCBorder_BoxBrd::CheckLeftBorderOfFormat( const SwFrameFormat& rFormat )
{
if( const SvxBoxItem* pItem = rFormat.GetItemIfSet( RES_BOX ) )
{
const SvxBorderLine* pBrd = pItem->GetLeft();
if( pBrd )
{
if( *m_pBorderLine == *pBrd )
m_bAnyBorderFind = true;
return true;
}
}
return false;
}
static bool lcl_GCBorder_ChkBoxBrd_B( const SwTableBox* pBox, SwGCBorder_BoxBrd* pPara );
static bool lcl_GCBorder_ChkBoxBrd_L( const SwTableLine* pLine, SwGCBorder_BoxBrd* pPara )
{
const SwTableBox* pBox = pLine->GetTabBoxes().front();
return lcl_GCBorder_ChkBoxBrd_B( pBox, pPara );
}
static bool lcl_GCBorder_ChkBoxBrd_B( const SwTableBox* pBox, SwGCBorder_BoxBrd* pPara )
{
if( !pBox->GetTabLines().empty() )
{
for( auto pLine : pBox->GetTabLines() )
{
if (!lcl_GCBorder_ChkBoxBrd_L( pLine, pPara ))
{
return false;
}
}
return true;
}
return pPara->CheckLeftBorderOfFormat( *pBox->GetFrameFormat() );
}
static void lcl_GCBorder_GetLastBox_B( const SwTableBox* pBox, SwTableBoxes* pPara );
static void lcl_GCBorder_GetLastBox_L( const SwTableLine* pLine, SwTableBoxes* pPara )
{
const SwTableBoxes& rBoxes = pLine->GetTabBoxes();
SwTableBox* pBox = rBoxes.back();
lcl_GCBorder_GetLastBox_B( pBox, pPara );
}
static void lcl_GCBorder_GetLastBox_B( const SwTableBox* pBox, SwTableBoxes* pPara )
{
const SwTableLines& rLines = pBox->GetTabLines();
if( !rLines.empty() )
{
for( const SwTableLine* pLine : rLines )
lcl_GCBorder_GetLastBox_L( pLine, pPara );
}
else
pPara->push_back( const_cast<SwTableBox*>(pBox) );
}
// Find the "end" of the passed BorderLine. Returns the "Layout"Pos!
static sal_uInt16 lcl_FindEndPosOfBorder( const SwCollectTableLineBoxes& rCollTLB,
const SvxBorderLine& rBrdLn, size_t& rStt, bool bTop )
{
sal_uInt16 nPos, nLastPos = 0;
for( size_t nEnd = rCollTLB.Count(); rStt < nEnd; ++rStt )
{
const SvxBorderLine* pBrd;
const SwTableBox& rBox = rCollTLB.GetBox( rStt, &nPos );
const SvxBoxItem* pItem = rBox.GetFrameFormat()->GetItemIfSet(RES_BOX);
if( !pItem )
break;
pBrd = GetLineTB( pItem, bTop );
if( !pBrd || *pBrd != rBrdLn )
break;
nLastPos = nPos;
}
return nLastPos;
}
static const SvxBorderLine* lcl_GCBorder_GetBorder( const SwTableBox& rBox,
bool bTop,
const SvxBoxItem** ppItem )
{
*ppItem = rBox.GetFrameFormat()->GetItemIfSet( RES_BOX );
if (*ppItem)
return GetLineTB( *ppItem, bTop );
return nullptr;
}
static void lcl_GCBorder_DelBorder( const SwCollectTableLineBoxes& rCollTLB,
size_t& rStt, bool bTop,
const SvxBorderLine& rLine,
const SvxBoxItem* pItem,
sal_uInt16 nEndPos,
SwShareBoxFormats* pShareFormats )
{
SwTableBox* pBox = const_cast<SwTableBox*>(&rCollTLB.GetBox( rStt ));
sal_uInt16 nNextPos;
const SvxBorderLine* pLn = &rLine;
do {
if( pLn && *pLn == rLine )
{
SvxBoxItem aBox( *pItem );
if( bTop )
aBox.SetLine( nullptr, SvxBoxItemLine::TOP );
else
aBox.SetLine( nullptr, SvxBoxItemLine::BOTTOM );
if( pShareFormats )
pShareFormats->SetAttr( *pBox, aBox );
else
pBox->ClaimFrameFormat()->SetFormatAttr( aBox );
}
if( ++rStt >= rCollTLB.Count() )
break;
pBox = const_cast<SwTableBox*>(&rCollTLB.GetBox( rStt, &nNextPos ));
if( nNextPos > nEndPos )
break;
pLn = lcl_GCBorder_GetBorder( *pBox, bTop, &pItem );
} while( true );
}
static void lcl_GC_Box_Border( const SwTableBox* pBox, SwGCLineBorder* pPara );
void sw_GC_Line_Border( const SwTableLine* pLine, SwGCLineBorder* pGCPara )
{
// First the right edge with the left edge of the succeeding Box within this Line
{
SwGCBorder_BoxBrd aBPara;
const SvxBorderLine* pBrd;
const SwTableBoxes& rBoxes = pLine->GetTabBoxes();
for( SwTableBoxes::size_type n = 0, nBoxes = rBoxes.size() - 1; n < nBoxes; ++n )
{
SwTableBoxes aBoxes;
{
SwTableBox* pBox = rBoxes[ n ];
if( pBox->GetSttNd() )
aBoxes.insert( aBoxes.begin(), pBox );
else
lcl_GCBorder_GetLastBox_B( pBox, &aBoxes );
}
for( SwTableBoxes::size_type i = aBoxes.size(); i; )
{
SwTableBox* pBox = aBoxes[ --i ];
if( const SvxBoxItem* pItem = pBox->GetFrameFormat()->GetItemIfSet( RES_BOX ) )
{
pBrd = pItem->GetRight();
if( pBrd )
{
aBPara.SetBorder( *pBrd );
const SwTableBox* pNextBox = rBoxes[n+1];
if( lcl_GCBorder_ChkBoxBrd_B( pNextBox, &aBPara ) &&
aBPara.IsAnyBorderFound() )
{
SvxBoxItem aBox( *pItem );
aBox.SetLine( nullptr, SvxBoxItemLine::RIGHT );
if( pGCPara->pShareFormats )
pGCPara->pShareFormats->SetAttr( *pBox, aBox );
else
pBox->ClaimFrameFormat()->SetFormatAttr( aBox );
}
}
}
}
aBoxes.clear();
}
}
// And now the own bottom edge with the succeeding top edge
if( !pGCPara->IsLastLine() )
{
SwCollectTableLineBoxes aBottom( false );
SwCollectTableLineBoxes aTop( true );
sw_Line_CollectBox( pLine, &aBottom );
const SwTableLine* pNextLine = (*pGCPara->pLines)[ pGCPara->nLinePos+1 ];
sw_Line_CollectBox( pNextLine, &aTop );
// remove all "duplicated" Lines that are the same
sal_uInt16 nBtmPos, nTopPos;
size_t nSttBtm {0};
size_t nSttTop {0};
const size_t nEndBtm {aBottom.Count()};
const size_t nEndTop {aTop.Count()};
const SwTableBox *pBtmBox = &aBottom.GetBox( nSttBtm++, &nBtmPos );
const SwTableBox *pTopBox = &aTop.GetBox( nSttTop++, &nTopPos );
const SvxBoxItem *pBtmItem = nullptr, *pTopItem = nullptr;
const SvxBorderLine *pBtmLine(nullptr), *pTopLine(nullptr);
bool bGetTopItem = true, bGetBtmItem = true;
do {
if( bGetBtmItem )
pBtmLine = lcl_GCBorder_GetBorder( *pBtmBox, false, &pBtmItem );
if( bGetTopItem )
pTopLine = lcl_GCBorder_GetBorder( *pTopBox, true, &pTopItem );
if( pTopLine && pBtmLine && *pTopLine == *pBtmLine )
{
// We can remove one, but which one?
const size_t nSavSttBtm {nSttBtm};
const size_t nSavSttTop {nSttTop};
sal_uInt16 nBtmEndPos = ::lcl_FindEndPosOfBorder( aBottom,
*pTopLine, nSttBtm, false );
if( !nBtmEndPos ) nBtmEndPos = nBtmPos;
sal_uInt16 nTopEndPos = ::lcl_FindEndPosOfBorder( aTop,
*pTopLine, nSttTop, true );
if( !nTopEndPos ) nTopEndPos = nTopPos;
if( nTopEndPos <= nBtmEndPos )
{
// Delete the TopBorders until BottomEndPos
nSttTop = nSavSttTop;
if( nTopPos <= nBtmEndPos )
lcl_GCBorder_DelBorder( aTop, --nSttTop, true,
*pBtmLine, pTopItem, nBtmEndPos,
pGCPara->pShareFormats );
else
nSttBtm = nSavSttBtm;
}
else
{
// Else delete the BottomBorders until TopEndPos
nSttBtm = nSavSttBtm;
if( nBtmPos <= nTopEndPos )
lcl_GCBorder_DelBorder( aBottom, --nSttBtm, false,
*pTopLine, pBtmItem, nTopEndPos,
pGCPara->pShareFormats );
else
nSttTop = nSavSttTop;
}
nTopPos = nBtmPos;
}
if( nTopPos == nBtmPos )
{
if( nSttBtm >= nEndBtm || nSttTop >= nEndTop )
break;
pBtmBox = &aBottom.GetBox( nSttBtm++, &nBtmPos );
pTopBox = &aTop.GetBox( nSttTop++, &nTopPos );
bGetTopItem = bGetBtmItem = true;
}
else if( nTopPos < nBtmPos )
{
if( nSttTop >= nEndTop )
break;
pTopBox = &aTop.GetBox( nSttTop++, &nTopPos );
bGetTopItem = true;
bGetBtmItem = false;
}
else
{
if( nSttBtm >= nEndBtm )
break;
pBtmBox = &aBottom.GetBox( nSttBtm++, &nBtmPos );
bGetTopItem = false;
bGetBtmItem = true;
}
} while( true );
}
for( const auto& rpBox : pLine->GetTabBoxes() )
lcl_GC_Box_Border(rpBox, pGCPara );
++pGCPara->nLinePos;
}
static void lcl_GC_Box_Border( const SwTableBox* pBox, SwGCLineBorder* pPara )
{
if( !pBox->GetTabLines().empty() )
{
SwGCLineBorder aPara( *pBox );
aPara.pShareFormats = pPara->pShareFormats;
for( const SwTableLine* pLine : pBox->GetTabLines() )
sw_GC_Line_Border( pLine, &aPara );
}
}
namespace {
struct GCLinePara
{
SwTableLines* pLns;
SwShareBoxFormats* pShareFormats;
GCLinePara( SwTableLines& rLns, GCLinePara* pPara = nullptr )
: pLns( &rLns ), pShareFormats( pPara ? pPara->pShareFormats : nullptr )
{}
};
}
static bool lcl_MergeGCLine(SwTableLine* pLine, GCLinePara* pPara);
static bool lcl_MergeGCBox(SwTableBox* pTableBox, GCLinePara* pPara)
{
if( !pTableBox->GetTabLines().empty() )
{
// ATTENTION: The Line count can change!
GCLinePara aPara( pTableBox->GetTabLines(), pPara );
for( SwTableLines::size_type n = 0;
n < pTableBox->GetTabLines().size() && lcl_MergeGCLine( pTableBox->GetTabLines()[n], &aPara );
++n )
;
if( 1 == pTableBox->GetTabLines().size() )
{
// we have a box with a single line, so we just replace it by the line's boxes
SwTableLine* pInsLine = pTableBox->GetUpper();
SwTableLine* pCpyLine = pTableBox->GetTabLines()[0];
SwTableBoxes::iterator it = std::find( pInsLine->GetTabBoxes().begin(), pInsLine->GetTabBoxes().end(), pTableBox );
for( auto pTabBox : pCpyLine->GetTabBoxes() )
pTabBox->SetUpper( pInsLine );
SfxPoolItem const* pRowBrush(nullptr);
pCpyLine->GetFrameFormat()->GetItemState(RES_BACKGROUND, true, &pRowBrush);
if (pRowBrush)
{
for (auto pBox : pCpyLine->GetTabBoxes())
{
if (pBox->GetFrameFormat()->GetItemState(RES_BACKGROUND) != SfxItemState::SET)
{ // set inner row background on inner cell
pBox->ClaimFrameFormat();
pBox->GetFrameFormat()->SetFormatAttr(*pRowBrush);
}
}
}
// remove the old box from its parent line
it = pInsLine->GetTabBoxes().erase( it );
// insert the nested line's boxes in its place
pInsLine->GetTabBoxes().insert( it, pCpyLine->GetTabBoxes().begin(), pCpyLine->GetTabBoxes().end());
pCpyLine->GetTabBoxes().clear();
// destroy the removed box
delete pTableBox;
return false; // set up anew
}
}
return true;
}
static bool lcl_MergeGCLine(SwTableLine* pLn, GCLinePara* pGCPara)
{
SwTableBoxes::size_type nBoxes = pLn->GetTabBoxes().size();
if( nBoxes )
{
while( 1 == nBoxes )
{
// We have a Box with Lines
SwTableBox* pBox = pLn->GetTabBoxes().front();
if( pBox->GetTabLines().empty() )
break;
SwTableLine* pLine = pBox->GetTabLines()[0];
// pLine turns into the current Line (that is rpLine), the rest is moved
// into the LinesArray past the current one.
// The LinesArray is in pPara!
SwTableLines::size_type nLines = pBox->GetTabLines().size();
SwTableLines& rLns = *pGCPara->pLns;
sal_uInt16 nInsPos = rLns.GetPos( pLn );
OSL_ENSURE( USHRT_MAX != nInsPos, "Could not find Line!" );
SwTableBox* pUpper = pLn->GetUpper();
rLns.erase( rLns.begin() + nInsPos ); // remove the Line from the array
rLns.insert( rLns.begin() + nInsPos, pBox->GetTabLines().begin(), pBox->GetTabLines().end() );
// JP 31.03.99: Bug 60000
// Pass the attributes of the to-be-deleted Lines to the "inserted" one
const SfxPoolItem* pItem;
if( SfxItemState::SET == pLn->GetFrameFormat()->GetItemState(
RES_BACKGROUND, true, &pItem ))
{
SwTableLines& rBoxLns = pBox->GetTabLines();
for( auto pBoxLine : rBoxLns )
if( SfxItemState::SET != pBoxLine->GetFrameFormat()->
GetItemState( RES_BACKGROUND ))
pGCPara->pShareFormats->SetAttr( *pBoxLine, *pItem );
}
pBox->GetTabLines().erase( pBox->GetTabLines().begin(), pBox->GetTabLines().begin() + nLines ); // Remove Lines from the array
delete pLn;
// Set the dependency anew
while( nLines-- )
rLns[ nInsPos++ ]->SetUpper( pUpper );
pLn = pLine; // and set up anew
nBoxes = pLn->GetTabBoxes().size();
}
// ATTENTION: The number of boxes can change!
SwTableBoxes::size_type nLen = 0;
while (nLen < pLn->GetTabBoxes().size())
{
if( !lcl_MergeGCBox( pLn->GetTabBoxes()[nLen], pGCPara ))
{
if (nLen == 0)
break;
--nLen;
continue;
}
++nLen;
}
}
return true;
}
// Clean structure a bit
void SwTable::GCLines()
{
// ATTENTION: The Line count can change!
GCLinePara aPara( GetTabLines() );
SwShareBoxFormats aShareFormats;
aPara.pShareFormats = &aShareFormats;
for( SwTableLines::size_type n = 0; n < GetTabLines().size() &&
lcl_MergeGCLine( GetTabLines()[n], &aPara ); ++n )
;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */