sw/source/core/layout/softpagebreak.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sw.hxx"
  33
  34 #include "ndtxt.hxx"
  35 #include "txtfrm.hxx"
  36 #include "pagefrm.hxx"
  37 #include "swtable.hxx"
  38 #include "frmfmt.hxx"
  39 #include "rowfrm.hxx"
  40 #include "tabfrm.hxx"
  41
  42 void SwTxtNode::fillSoftPageBreakList( SwSoftPageBreakList& rBreak ) const
  43 {
  44     SwClientIter aIter( const_cast<SwTxtNode&>(*this) );
  45     for( const SwTxtFrm *pFrm = (const SwTxtFrm*)aIter.First( TYPE(SwTxtFrm) );
  46          pFrm; pFrm = (const SwTxtFrm*)aIter.Next() )
  47     {
  48         // No soft page break in header or footer
  49         if( pFrm->FindFooterOrHeader() || pFrm->IsInFly() )
  50             return;
  51         // No soft page break if I'm not the first frame in my layout frame
  52         if( pFrm->GetIndPrev() )
  53             continue;
  54         const SwPageFrm* pPage = pFrm->FindPageFrm();
  55         // No soft page break at the first page
  56         if( pPage && pPage->GetPrev() )
  57         {
  58             const SwCntntFrm* pFirst2 = pPage->FindFirstBodyCntnt();
  59             // Special handling for content frame in table frames
  60             if( pFrm->IsInTab() )
  61             {
  62                 // No soft page break if I'm in a table but the first content frame
  63                 // at my page is not in a table
  64                 if( !pFirst2->IsInTab() )
  65                     continue;
  66                 const SwLayoutFrm *pRow = pFrm->GetUpper();
  67                 // Looking for the "most upper" row frame,
  68                 // skipping sub tables and/or table in table
  69                 while( !pRow->IsRowFrm() || !pRow->GetUpper()->IsTabFrm() ||
  70                     pRow->GetUpper()->GetUpper()->IsInTab() )
  71                     pRow = pRow->GetUpper();
  72                 const SwTabFrm *pTab = pRow->FindTabFrm();
  73                 // For master tables the soft page break will exported at the table row,
  74                 // not at the content frame.
  75                 // If the first content is outside my table frame, no soft page break.
  76                 if( !pTab->IsFollow() || !pTab->IsAnLower( pFirst2 ) )
  77                     continue;
  78                 // Only content of non-heading-rows can get a soft page break
  79                 const SwFrm* pFirstRow = pTab->GetFirstNonHeadlineRow();
  80                 // If there's no follow flow line, the soft page break will be
  81                 // exported at the row, not at the content.
  82                 if( pRow == pFirstRow &&
  83                     pTab->FindMaster( false )->HasFollowFlowLine() )
  84                 {
  85                     // Now we have the row which causes a new page,
  86                     // this row is a follow flow line and therefor cannot get
  87                     // the soft page break itself.
  88                     // Every first content frame of every cell frane in this row
  89                     // will get the soft page break
  90                     const SwFrm* pCell = pRow->Lower();
  91                     while( pCell )
  92                     {
  93                         pFirst2 = static_cast<const SwLayoutFrm*>(pCell)->ContainsCntnt();
  94                         if( pFirst2 == pFrm )
  95                         {   // Here we are: a first content inside a cell
  96                             // inside the splitted row => soft page break
  97                             rBreak.insert( pFrm->GetOfst() );
  98                             break;
  99                         }
 100                         pCell = pCell->GetNext();
 101                     }
 102                 }
 103             }
 104             else // No soft page break if there's a "hard" page break attribute
 105             if( pFirst2 == pFrm && !pFrm->IsPageBreak( TRUE ) )
 106                 rBreak.insert( pFrm->GetOfst() );
 107         }
 108     }
 109 }
 110
 111 bool SwTableLine::hasSoftPageBreak() const
 112 {
 113     // No soft page break for sub tables
 114     if( GetUpper() || !GetFrmFmt() )
 115         return false;
 116     SwClientIter aIter( *GetFrmFmt() );
 117     for( SwClient* pLast = aIter.First( TYPE( SwFrm ) ); pLast;
 118          pLast = aIter.Next() )
 119     {
 120         if( ((SwRowFrm*)pLast)->GetTabLine() == this )
 121         {
 122             const SwTabFrm* pTab = static_cast<SwRowFrm*>(pLast)->FindTabFrm();
 123             // No soft page break for
 124             //   tables with prevs, i.e. if the frame is not the first in its layout frame
 125             //   tables in footer or header
 126             //   tables in flies
 127             //   inner tables of nested tables
 128             //   master table frames with "hard" page break attribute
 129             if( pTab->GetIndPrev() || pTab->FindFooterOrHeader()
 130                 || pTab->IsInFly() || pTab->GetUpper()->IsInTab() ||
 131                 ( !pTab->IsFollow() && pTab->IsPageBreak( TRUE ) ) )
 132                 return false;
 133             const SwPageFrm* pPage = pTab->FindPageFrm();
 134             // No soft page break at the first page of the document
 135             if( pPage && !pPage->GetPrev() )
 136                 return false;
 137             const SwCntntFrm* pFirst = pPage->FindFirstBodyCntnt();
 138             // No soft page break for
 139             //   tables which does not contain the first body content of the page
 140             if( !pFirst || !pTab->IsAnLower( pFirst->FindTabFrm() ) )
 141                 return false;
 142             // The row which could get a soft page break must be either the first
 143             // row of a master table frame or the first "non-headline-row" of a
 144             // follow table frame...
 145             const SwFrm* pRow = pTab->IsFollow() ?
 146                 pTab->GetFirstNonHeadlineRow() : pTab->Lower();
 147             if( pRow == pLast )
 148             {
 149                 // The last check: no soft page break for "follow" table lines
 150                 if( pTab->IsFollow() && pTab->FindMaster( false )->HasFollowFlowLine() )
 151                     return false;
 152                 return true;
 153             }
 154             return false;
 155         }
 156     }
 157     return false;
 158 }
 159