154 lines
7 KiB
C++
154 lines
7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <txtfrm.hxx>
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#include <pagefrm.hxx>
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#include <swtable.hxx>
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#include <frmfmt.hxx>
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#include <rowfrm.hxx>
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#include <tabfrm.hxx>
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#include <calbck.hxx>
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#include <ndtxt.hxx>
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void SwTextNode::fillSoftPageBreakList( SwSoftPageBreakList& rBreak ) const
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{
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SwIterator<SwTextFrame, SwTextNode, sw::IteratorMode::UnwrapMulti> aIter(*this);
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for( const SwTextFrame *pFrame = aIter.First(); pFrame; pFrame = aIter.Next() )
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{
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// No soft page break in header or footer
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if( pFrame->FindFooterOrHeader() || pFrame->IsInFly() )
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return;
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// No soft page break if I'm not the first frame in my layout frame
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if( pFrame->GetIndPrev() )
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continue;
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const SwPageFrame* pPage = pFrame->FindPageFrame();
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// No soft page break at the first page
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if( pPage && pPage->GetPrev() )
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{
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const SwContentFrame* pFirst2 = pPage->FindFirstBodyContent();
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// Special handling for content frame in table frames
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if( pFrame->IsInTab() )
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{
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// No soft page break if I'm in a table but the first content frame
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// at my page is not in a table
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if( !pFirst2 || !pFirst2->IsInTab() )
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continue;
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const SwLayoutFrame *pRow = pFrame->GetUpper();
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// Looking for the "most upper" row frame,
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// skipping sub tables and/or table in table
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while( !pRow->IsRowFrame() || !pRow->GetUpper()->IsTabFrame() ||
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pRow->GetUpper()->GetUpper()->IsInTab() )
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pRow = pRow->GetUpper();
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const SwTabFrame *pTab = pRow->FindTabFrame();
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// For master tables the soft page break will exported at the table row,
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// not at the content frame.
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// If the first content is outside my table frame, no soft page break.
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if( !pTab->IsFollow() || !pTab->IsAnLower( pFirst2 ) )
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continue;
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// Only content of non-heading-rows can get a soft page break
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const SwFrame* pFirstRow = pTab->GetFirstNonHeadlineRow();
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// If there's no follow flow line, the soft page break will be
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// exported at the row, not at the content.
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if( pRow == pFirstRow &&
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pTab->FindMaster()->HasFollowFlowLine() )
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{
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// Now we have the row which causes a new page,
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// this row is a follow flow line and therefore cannot get
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// the soft page break itself.
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// Every first content frame of every cell frame in this row
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// will get the soft page break
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const SwFrame* pCell = pRow->Lower();
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while( pCell )
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{
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pFirst2 = static_cast<const SwLayoutFrame*>(pCell)->ContainsContent();
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if( pFirst2 == pFrame )
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{ // Here we are: a first content inside a cell
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// inside the split row => soft page break
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auto const pos(pFrame->MapViewToModel(pFrame->GetOffset()));
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if (pos.first == this)
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{
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rBreak.insert(pos.second);
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}
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break;
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}
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pCell = pCell->GetNext();
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}
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}
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}
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else // No soft page break if there's a "hard" page break attribute
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if( pFirst2 == pFrame && !pFrame->IsPageBreak( true ) )
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{
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auto const pos(pFrame->MapViewToModel(pFrame->GetOffset()));
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if (pos.first == this)
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{ // in the !Show case, we have to iterate over the merged
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// SwTextFrame for every node
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rBreak.insert(pos.second);
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}
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}
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}
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}
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}
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bool SwTableLine::hasSoftPageBreak() const
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{
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// No soft page break for sub tables
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if( GetUpper() || !GetFrameFormat() )
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return false;
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SwIterator<SwRowFrame,SwFormat> aIter( *GetFrameFormat() );
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for( SwRowFrame* pLast = aIter.First(); pLast; pLast = aIter.Next() )
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{
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if( pLast->GetTabLine() == this )
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{
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const SwTabFrame* pTab = pLast->FindTabFrame();
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// No soft page break for
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// tables with prevs, i.e. if the frame is not the first in its layout frame
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// tables in footer or header
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// tables in flies
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// inner tables of nested tables
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// master table frames with "hard" page break attribute
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if( pTab->GetIndPrev() || pTab->FindFooterOrHeader()
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|| pTab->IsInFly() || pTab->GetUpper()->IsInTab() ||
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( !pTab->IsFollow() && pTab->IsPageBreak( true ) ) )
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return false;
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const SwPageFrame* pPage = pTab->FindPageFrame();
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// No soft page break at the first page of the document
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if( pPage && !pPage->GetPrev() )
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return false;
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const SwContentFrame* pFirst = pPage ? pPage->FindFirstBodyContent() : nullptr;
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// No soft page break for
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// tables which does not contain the first body content of the page
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if( !pFirst || !pTab->IsAnLower( pFirst->FindTabFrame() ) )
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return false;
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// The row which could get a soft page break must be either the first
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// row of a master table frame or the first "non-headline-row" of a
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// follow table frame...
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const SwFrame* pRow = pTab->IsFollow() ?
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pTab->GetFirstNonHeadlineRow() : pTab->Lower();
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if( pRow == pLast )
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{
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// The last check: no soft page break for "follow" table lines
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return !pTab->IsFollow() || !pTab->FindMaster()->HasFollowFlowLine();
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}
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return false;
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}
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}
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return false;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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