office-gobmx/sw/inc/htmltbl.hxx

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#ifndef _HTMLTBL_HXX
#define _HTMLTBL_HXX


#include <vcl/timer.hxx>
#include <editeng/svxenum.hxx>

#include "swtypes.hxx"
#include "node.hxx"     // For SwStartNode


class SwTableBox;
class SwTable;
class SwHTMLTableLayout;
class SwDoc;
class SwFrmFmt;

#define HTMLTABLE_RESIZE_NOW (ULONG_MAX)

class SwHTMLTableLayoutCnts
{
    SwHTMLTableLayoutCnts *pNext;   // The next content.

    // Only one of the following two pointers may be set!
    SwTableBox *pBox;           // A Box.
    SwHTMLTableLayout *pTable;  // A "table within a table".

    // During first run there are still no boxes. In this case
    // pStartNode is used instead of pBox.
    const SwStartNode *pStartNode;

    // The following counters indicate how often a pass has been
    // done for this content. Therefore they are compared against
    // a reference value. If 255 is reached the continue with 0.
    // This avoids reinitialization on every resize.
    sal_uInt8 nPass1Done;           // How many times has Pass 1 been called?
    sal_uInt8 nWidthSet;                // How many times has the width been set?

    sal_Bool bNoBreakTag;       // <NOBR>-Tag over complete content.

public:

    SwHTMLTableLayoutCnts( const SwStartNode* pSttNd, SwHTMLTableLayout* pTab,
                           sal_Bool bNoBreakTag, SwHTMLTableLayoutCnts* pNxt );

    ~SwHTMLTableLayoutCnts();

    void SetTableBox( SwTableBox *pBx ) { pBox = pBx; }
    SwTableBox *GetTableBox() const { return pBox; }

    SwHTMLTableLayout *GetTable() const { return pTable; }

    const SwStartNode *GetStartNode() const;

    // Calculation of next node.
    SwHTMLTableLayoutCnts *GetNext() const { return pNext; }

    void SetWidthSet( sal_uInt8 nRef ) { nWidthSet = nRef; }
    sal_Bool IsWidthSet( sal_uInt8 nRef ) const { return nRef==nWidthSet; }

    void SetPass1Done( sal_uInt8 nRef ) { nPass1Done = nRef; }
    sal_Bool IsPass1Done( sal_uInt8 nRef ) const { return nRef==nPass1Done; }

    sal_Bool HasNoBreakTag() const { return bNoBreakTag; }
};

class SwHTMLTableLayoutCell
{
    SwHTMLTableLayoutCnts *pContents;       // Content of cell.

    sal_uInt16 nRowSpan;    // ROWSPAN of cell.
    sal_uInt16 nColSpan;    // COLSPAN of cell.
    sal_uInt16 nWidthOption;// Given width of cell in Twip or %.

    sal_Bool bPrcWidthOption : 1;// nWidth is %-value.
    sal_Bool bNoWrapOption : 1; // NOWRAP-option.

public:

    SwHTMLTableLayoutCell( SwHTMLTableLayoutCnts *pCnts,
                         sal_uInt16 nRSpan, sal_uInt16 nCSpan,
                         sal_uInt16 nWidthOpt, sal_Bool bPrcWdthOpt,
                         sal_Bool nNWrapOpt );

    ~SwHTMLTableLayoutCell();

    // Set or get content of a cell.
    void SetContents( SwHTMLTableLayoutCnts *pCnts ) { pContents = pCnts; }
    SwHTMLTableLayoutCnts *GetContents() const { return pContents; }

    inline void SetProtected();

    // Set or get ROWSPAN/COLSPAN of cell.
    void SetRowSpan( sal_uInt16 nRSpan ) { nRowSpan = nRSpan; }
    sal_uInt16 GetRowSpan() const { return nRowSpan; }
    sal_uInt16 GetColSpan() const { return nColSpan; }

    sal_uInt16 GetWidthOption() const { return nWidthOption; }
    sal_Bool IsPrcWidthOption() const { return bPrcWidthOption; }

    sal_Bool HasNoWrapOption() const { return bNoWrapOption; }
};

class SwHTMLTableLayoutColumn
{

    // Interim values of AutoLayoutPass1,
    sal_uLong nMinNoAlign, nMaxNoAlign, nAbsMinNoAlign;

    // Results of AutoLayoutPass1
    sal_uLong nMin, nMax;

    // Results of Pass 2.
    sal_uInt16 nAbsColWidth;                // In Twips.
    sal_uInt16 nRelColWidth;                // In Twips or relative to USHRT_MAX.

    sal_uInt16 nWidthOption;                // Options of <COL> or <TD>/<TH>.

    sal_Bool bRelWidthOption : 1;
    sal_Bool bLeftBorder : 1;

public:

    SwHTMLTableLayoutColumn( sal_uInt16 nColWidthOpt, sal_Bool bRelColWidthOpt,
                             sal_Bool bLBorder );

    ~SwHTMLTableLayoutColumn() {}

    inline void MergeCellWidthOption( sal_uInt16 nWidth, sal_Bool bPrc );
    inline void SetWidthOption( sal_uInt16 nWidth, sal_Bool bRelWidth, sal_Bool bTest );

    sal_uInt16 GetWidthOption() const { return nWidthOption; }
    sal_Bool IsRelWidthOption() const { return bRelWidthOption; }

    inline void MergeMinMaxNoAlign( sal_uLong nMin, sal_uLong nMax, sal_uLong nAbsMin );
    sal_uLong GetMinNoAlign() const { return nMinNoAlign; }
    sal_uLong GetMaxNoAlign() const { return nMaxNoAlign; }
    sal_uLong GetAbsMinNoAlign() const { return nAbsMinNoAlign; }
    inline void ClearPass1Info( sal_Bool bWidthOpt );

    inline void SetMinMax( sal_uLong nMin, sal_uLong nMax );
    void SetMax( sal_uLong nVal ) { nMax = nVal; }
    void AddToMin( sal_uLong nVal ) { nMin += nVal; }
    void AddToMax( sal_uLong nVal ) { nMax += nVal; }
    sal_uLong GetMin() const { return nMin; }
    sal_uLong GetMax() const { return nMax; }

    void SetAbsColWidth( sal_uInt16 nWidth ) { nAbsColWidth = nWidth; }
    sal_uInt16 GetAbsColWidth() const { return nAbsColWidth; }

    void SetRelColWidth( sal_uInt16 nWidth ) { nRelColWidth = nWidth; }
    sal_uInt16 GetRelColWidth() const { return nRelColWidth; }

    sal_Bool HasLeftBorder() const { return bLeftBorder; }
};

class SwHTMLTableLayout
{
    Timer aResizeTimer;             // Timer for DelayedResize.

    SwHTMLTableLayoutColumn **aColumns;
    SwHTMLTableLayoutCell **aCells;

    const SwTable *pSwTable;        // SwTable (Top-Table only).
    SwTableBox *pLeftFillerBox;     // Left filler-box (table in table only).
    SwTableBox *pRightFillerBox;    // Right filler-box (table in Table only).

    sal_uLong nMin;                     // Minimal width of table (Twips).
    sal_uLong nMax;                     // Maximal width of table (Twips).

    sal_uInt16 nRows;                   // Row count.
    sal_uInt16 nCols;                   // Column count.

    sal_uInt16 nLeftMargin;             // Space to left margin (from paragraph).
    sal_uInt16 nRightMargin;            // Space to left margin (from paragraph).

    sal_uInt16 nInhAbsLeftSpace;        // Space inherited from surrounding box
    sal_uInt16 nInhAbsRightSpace;       // that was added to boxes.

    sal_uInt16 nRelLeftFill;            // Width of boxes relative to alignment
    sal_uInt16 nRelRightFill;           // of tables in tables.

    sal_uInt16 nRelTabWidth;            // Relative width of table.

    sal_uInt16 nWidthOption;            // Width of table (in Twips oder %).
    sal_uInt16 nCellPadding;            // Space to contents (in Twips).
    sal_uInt16 nCellSpacing;            // Cell spacing (in Twips).
    sal_uInt16 nBorder;                 // Line strength of outer border, or rather the
                                    // space needed for it as calculated by Netscape.

    sal_uInt16 nLeftBorderWidth;
    sal_uInt16 nRightBorderWidth;
    sal_uInt16 nInhLeftBorderWidth;
    sal_uInt16 nInhRightBorderWidth;
    sal_uInt16 nBorderWidth;

    sal_uInt16 nDelayedResizeAbsAvail;  // Param for delayed Resize.
    sal_uInt16 nLastResizeAbsAvail;

    sal_uInt8 nPass1Done;               // Reference-values for
    sal_uInt8 nWidthSet;                    // the runs through loop.

    SvxAdjust eTableAdjust;         // Alignment of table.

    sal_Bool bColsOption : 1;           // Table has a COLS-option.
    sal_Bool bColTags : 1;              // Tabelle has COL/COLGRP-tags.
    sal_Bool bPrcWidthOption : 1;       // Width is given in percent.
    sal_Bool bUseRelWidth : 1;          // SwTable gets relative width.

    sal_Bool bMustResize : 1;           // Table width must be defined.
    sal_Bool bExportable : 1;           // Layout may be used for export.
    sal_Bool bBordersChanged : 1;       // Borders have been changed.
    sal_Bool bMayBeInFlyFrame : 1;      // Table could be within frame.

    sal_Bool bDelayedResizeRecalc : 1;  // Param for delayed Resize.
    sal_Bool bMustNotResize : 1;        // Table may not be resized.
    sal_Bool bMustNotRecalc : 1;        // Table may not be adapted to its contents.

    void AddBorderWidth( sal_uLong &rMin, sal_uLong &rMax, sal_uLong& rAbsMin,
                         sal_uInt16 nCol, sal_uInt16 nColSpan,
                         sal_Bool bSwBorders=sal_True ) const;
    void SetBoxWidth( SwTableBox *pBox, sal_uInt16 nCol, sal_uInt16 nColSpan ) const;

    const SwStartNode *GetAnyBoxStartNode() const;
    SwFrmFmt *FindFlyFrmFmt() const;
    const SwDoc *GetDoc() const { return GetAnyBoxStartNode()->GetDoc(); }

    void ClearPass1Info() { nMin = nMax = 0; }

    void _Resize( sal_uInt16 nAbsAvail, sal_Bool bRecalc=sal_False );

    DECL_STATIC_LINK( SwHTMLTableLayout, DelayedResize_Impl, void* );

    static sal_uInt16 GetBrowseWidthByVisArea( const SwDoc& rDoc );
public:

    SwHTMLTableLayout( const SwTable *pSwTbl,
                       sal_uInt16 nRows, sal_uInt16 nCols, sal_Bool bColsOpt, sal_Bool ColTgs,
                       sal_uInt16 nWidth, sal_Bool bPrcWidth, sal_uInt16 nBorderOpt,
                       sal_uInt16 nCellPad, sal_uInt16 nCellSp, SvxAdjust eAdjust,
                       sal_uInt16 nLMargin, sal_uInt16 nRMargin, sal_uInt16 nBWidth,
                       sal_uInt16 nLeftBWidth, sal_uInt16 nRightBWidth,
                       sal_uInt16 nInhLeftBWidth, sal_uInt16 nInhRightBWidth );

    ~SwHTMLTableLayout();

    sal_uInt16 GetLeftCellSpace( sal_uInt16 nCol, sal_uInt16 nColSpan,
                             sal_Bool bSwBorders=sal_True ) const;
    sal_uInt16 GetRightCellSpace( sal_uInt16 nCol, sal_uInt16 nColSpan,
                              sal_Bool bSwBorders=sal_True ) const;
    inline sal_uInt16 GetInhCellSpace( sal_uInt16 nCol, sal_uInt16 nColSpan ) const;

    inline void SetInhBorderWidths( sal_uInt16 nLeft, sal_uInt16 nRight );


    void GetAvail( sal_uInt16 nCol, sal_uInt16 nColSpan, sal_uInt16& rAbsAvail,
                   sal_uInt16& rRelAvail ) const;

    void AutoLayoutPass1();
    void AutoLayoutPass2( sal_uInt16 nAbsAvail, sal_uInt16 nRelAvail,
                          sal_uInt16 nAbsLeftSpace, sal_uInt16 nAbsRightSpace,
                          sal_uInt16 nParentInhSpace );
    void SetWidths( sal_Bool bCallPass2=sal_False, sal_uInt16 nAbsAvail=0,
                    sal_uInt16 nRelAvail=0, sal_uInt16 nAbsLeftSpace=0,
                    sal_uInt16 nAbsRightSpace=0,
                    sal_uInt16 nParentInhSpace=0 );

    inline SwHTMLTableLayoutColumn *GetColumn( sal_uInt16 nCol ) const;
    inline void SetColumn( SwHTMLTableLayoutColumn *pCol, sal_uInt16 nCol );

    inline SwHTMLTableLayoutCell *GetCell( sal_uInt16 nRow, sal_uInt16 nCol ) const;
    inline void SetCell( SwHTMLTableLayoutCell *pCell, sal_uInt16 nRow, sal_uInt16 nCol );

    void SetLeftFillerBox( SwTableBox *pBox ) { pLeftFillerBox = pBox; }
    void SetRightFillerBox( SwTableBox *pBox ) { pRightFillerBox = pBox; }

    sal_uLong GetMin() const { return nMin; }
    sal_uLong GetMax() const { return nMax; }
    sal_uInt16 GetRelLeftFill() const { return nRelLeftFill; }
    sal_uInt16 GetRelRightFill() const { return nRelRightFill; }

    inline long GetBrowseWidthMin() const;

    sal_Bool HasColsOption() const { return bColsOption; }
    sal_Bool HasColTags() const { return bColTags; }

    sal_Bool IsTopTable() const  { return pSwTable != 0; }

    void SetMustResize( sal_Bool bSet ) { bMustResize = bSet; }
    void SetMustNotResize( sal_Bool bSet ) { bMustNotResize = bSet; }
    void SetMustNotRecalc( sal_Bool bSet ) { bMustNotRecalc = bSet; }

    // Recalculation of table widths for available width that has been passed.
    // - If bRecalc is set, contents of boxes are included into calculation.
    // - If bForce is set, table will be recalculated even if this was
    //   disallowed by SetMustNotResize.
    // - If nDelay > 0 the calculation is delayed accordingly. Resizing calls
    //   occuring during delay-time are ignored, but the delay may be counted
    //   under certain circumstances.
    // - If nDelay == HTMLTABLE_RESIZE_NOW, resize immediately and do not
    //   consider any resize-calls that might possibly be in order.
    // - The return value indicates whether the table has been changed.
    sal_Bool Resize( sal_uInt16 nAbsAvail, sal_Bool bRecalc=sal_False, sal_Bool bForce=sal_False,
                 sal_uLong nDelay=0 );

    void BordersChanged( sal_uInt16 nAbsAvail, sal_Bool bRecalc=sal_False );

    // Calculate available width. This works only if a layout or a
    // ViewShell exists. Otherwise returns 0.
    // This is needed by HTML-filter because it doesn't have access to the layout.)
    static sal_uInt16 GetBrowseWidth( const SwDoc& rDoc );

    // Calculates available width by table-frame.
    sal_uInt16 GetBrowseWidthByTabFrm( const SwTabFrm& rTabFrm ) const;

    // Calculates available width by the table-frame or
    // static GetBrowseWidth if no layout exists.
    sal_uInt16 GetBrowseWidthByTable( const SwDoc& rDoc ) const;

    // For Export.
    sal_uInt16 GetWidthOption() const { return nWidthOption; }
    sal_Bool   HasPrcWidthOption() const { return bPrcWidthOption; }

    sal_uInt16 GetCellPadding() const { return nCellPadding; }
    sal_uInt16 GetCellSpacing() const { return nCellSpacing; }
    sal_uInt16 GetBorder() const { return nBorder; }

    sal_uInt16 GetRowCount() const { return nRows; }
    sal_uInt16 GetColCount() const { return nCols; }

    void SetExportable( sal_Bool bSet ) { bExportable = bSet; }
    sal_Bool IsExportable() const { return bExportable; }

    sal_Bool HaveBordersChanged() const { return bBordersChanged; }

    void SetMayBeInFlyFrame( sal_Bool bSet ) { bMayBeInFlyFrame = bSet; }
    sal_Bool MayBeInFlyFrame() const { return bMayBeInFlyFrame; }
};

inline void SwHTMLTableLayoutCell::SetProtected()
{
    nRowSpan = 1;
    nColSpan = 1;

    pContents = 0;
}

inline void SwHTMLTableLayoutColumn::MergeMinMaxNoAlign( sal_uLong nCMin,
    sal_uLong nCMax,    sal_uLong nAbsMin )
{
    if( nCMin > nMinNoAlign )
        nMinNoAlign = nCMin;
    if( nCMax > nMaxNoAlign )
        nMaxNoAlign = nCMax;
    if( nAbsMin > nAbsMinNoAlign )
        nAbsMinNoAlign = nAbsMin;
}

inline void SwHTMLTableLayoutColumn::ClearPass1Info( sal_Bool bWidthOpt )
{
    nMinNoAlign = nMaxNoAlign = nAbsMinNoAlign = MINLAY;
    nMin = nMax = 0;
    if( bWidthOpt )
    {
        nWidthOption = 0;
        bRelWidthOption = sal_False;
    }
}

inline void SwHTMLTableLayoutColumn::MergeCellWidthOption(
    sal_uInt16 nWidth, sal_Bool bRel )
{
    if( !nWidthOption ||
        (bRel==bRelWidthOption && nWidthOption < nWidth) )
    {
        nWidthOption = nWidth;
        bRelWidthOption = bRel;
    }
}

inline void SwHTMLTableLayoutColumn::SetMinMax( sal_uLong nMn, sal_uLong nMx )
{
    nMin = nMn;
    nMax = nMx;
}

inline sal_uInt16 SwHTMLTableLayout::GetInhCellSpace( sal_uInt16 nCol,
                                                  sal_uInt16 nColSpan ) const
{
    sal_uInt16 nSpace = 0;
    if( nCol==0 )
        nSpace = nSpace + sal::static_int_cast< sal_uInt16 >(nInhAbsLeftSpace);
    if( nCol+nColSpan==nCols )
        nSpace = nSpace + sal::static_int_cast< sal_uInt16 >(nInhAbsRightSpace);

    return nSpace;
}

inline SwHTMLTableLayoutColumn *SwHTMLTableLayout::GetColumn( sal_uInt16 nCol ) const
{
    return aColumns[nCol];
}

inline void SwHTMLTableLayoutColumn::SetWidthOption(
    sal_uInt16 nWidth, sal_Bool bRelWidth, sal_Bool bTest )
{
    if( bTest && bRelWidthOption==bRelWidth )
    {
        if( nWidth > nWidthOption )
            nWidthOption = nWidth;
    }
    else
        nWidthOption = nWidth;
    bRelWidthOption = bRelWidth;
}

inline void SwHTMLTableLayout::SetColumn( SwHTMLTableLayoutColumn *pCol, sal_uInt16 nCol )
{
    aColumns[nCol] = pCol;
}

inline SwHTMLTableLayoutCell *SwHTMLTableLayout::GetCell( sal_uInt16 nRow, sal_uInt16 nCol ) const
{
    return aCells[nRow*nCols+nCol];
}

inline void SwHTMLTableLayout::SetCell( SwHTMLTableLayoutCell *pCell,
                               sal_uInt16 nRow, sal_uInt16 nCol )
{
    aCells[nRow*nCols+nCol] = pCell;
}

inline long SwHTMLTableLayout::GetBrowseWidthMin() const
{
    return (long)( (!nWidthOption || bPrcWidthOption) ? nMin : nRelTabWidth );
}

void SwHTMLTableLayout::SetInhBorderWidths( sal_uInt16 nLeft, sal_uInt16 nRight )
{
    nInhLeftBorderWidth = nLeft;
    nInhRightBorderWidth = nRight;
}


#endif

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