tablelayouter.hxx

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#ifndef INCLUDED_SVX_SOURCE_TABLE_TABLELAYOUTER_HXX
#define INCLUDED_SVX_SOURCE_TABLE_TABLELAYOUTER_HXX

#include <sal/types.h>
#include <basegfx/range/b2irectangle.hxx>
#include <basegfx/tuple/b2ituple.hxx>
#include <vector>

#include <svx/svdotable.hxx>
#include <celltypes.hxx>

namespace tools { class Rectangle; }


namespace editeng {
    class SvxBorderLine;
}

namespace sdr::table {

bool findMergeOrigin( const TableModelRef& xTable, sal_Int32 nMergedCol, sal_Int32 nMergedRow, sal_Int32& rOriginCol, sal_Int32& rOriginRow );

typedef std::vector< editeng::SvxBorderLine* > BorderLineVector;
typedef std::vector< BorderLineVector > BorderLineMap;


// TableModel

struct EdgeInfo final
{
    sal_Int32 nIndex;
    sal_Int32 nPosition;
    sal_Int32 nMin;
    sal_Int32 nMax;

    EdgeInfo(sal_Int32 nInIndex, sal_Int32 nInPosition, sal_Int32 nInMin, sal_Int32 nInMax)
        : nIndex(nInIndex)
        , nPosition(nInPosition)
        , nMin(nInMin)
        , nMax(nInMax)
    {}
};

class TableLayouter final
{
public:
    explicit TableLayouter( const TableModelRef& xTableModel );
    ~TableLayouter();

    void LayoutTable( ::tools::Rectangle& rRectangle, bool bFitWidth, bool bFitHeight );

    void UpdateBorderLayout();

    bool getCellArea( const CellRef& xCell, const CellPos& rPos, basegfx::B2IRectangle& rArea ) const;

    ::sal_Int32 getRowCount() const { return static_cast< ::sal_Int32 >( maRows.size() ); }
    ::sal_Int32 getColumnCount() const { return static_cast< ::sal_Int32 >( maColumns.size() ); }
    sal_Int32 getRowHeight( sal_Int32 nRow ) const;

    sal_Int32 getColumnWidth( sal_Int32 nColumn ) const;
    sal_Int32 calcPreferredColumnWidth( sal_Int32 nColumn, Size aSize ) const;

    sal_Int32 getMinimumColumnWidth( sal_Int32 nColumn );

    bool isEdgeVisible( sal_Int32 nEdgeX, sal_Int32 nEdgeY, bool bHorizontal ) const;

    editeng::SvxBorderLine* getBorderLine( sal_Int32 nEdgeX, sal_Int32 nEdgeY, bool bHorizontal )const;

    void updateCells( ::tools::Rectangle const & rRectangle );

    std::vector<EdgeInfo> getHorizontalEdges();
    sal_Int32 getHorizontalEdge( int nEdgeY, sal_Int32* pnMin, sal_Int32* pnMax );

    std::vector<EdgeInfo> getVerticalEdges();
    sal_Int32 getVerticalEdge( int nEdgeX , sal_Int32* pnMin, sal_Int32* pnMax);


    void DistributeColumns( ::tools::Rectangle& rArea,
                            sal_Int32 nFirstCol,
                            sal_Int32 nLastCol,
                            const bool bOptimize,
                            const bool bMinimize );
    void DistributeRows( ::tools::Rectangle& rArea,
                         sal_Int32 nFirstRow,
                         sal_Int32 nLastRow,
                         const bool bOptimize,
                         const bool bMinimize );
    void dumpAsXml(xmlTextWriterPtr pWriter) const;

private:
    CellRef getCell( const CellPos& rPos ) const;
    basegfx::B2ITuple getCellSize( const CellRef& xCell, const CellPos& rPos ) const;

    void LayoutTableWidth( ::tools::Rectangle& rArea, bool bFit );
    void LayoutTableHeight( ::tools::Rectangle& rArea, bool bFit );

    bool isValidColumn( sal_Int32 nColumn ) const { return (nColumn >= 0) && (nColumn < static_cast<sal_Int32>( maColumns.size())); }
    bool isValidRow( sal_Int32 nRow ) const { return (nRow >= 0) && (nRow < static_cast<sal_Int32>( maRows.size())); }
    bool isValid( const CellPos& rPos ) const { return isValidColumn( rPos.mnCol ) && isValidRow( rPos.mnRow ); }

    void ClearBorderLayout();
    static void ClearBorderLayout(BorderLineMap& rMap);
    void ResizeBorderLayout();
    void ResizeBorderLayout( BorderLineMap& rMap );

    void SetBorder( sal_Int32 nCol, sal_Int32 nRow, bool bHorizontal, const editeng::SvxBorderLine* pLine );

    static bool HasPriority( const editeng::SvxBorderLine* pThis, const editeng::SvxBorderLine* pOther );

    struct Layout
    {
        sal_Int32 mnPos;
        sal_Int32 mnSize;
        sal_Int32 mnMinSize;

        Layout() : mnPos( 0 ), mnSize( 0 ), mnMinSize( 0 ) {}
        void clear() { mnPos = 0; mnSize = 0; mnMinSize = 0; }
        void dumpAsXml(xmlTextWriterPtr pWriter) const;
    };
    typedef std::vector< Layout > LayoutVector;

    static sal_Int32 distribute( LayoutVector& rLayouts, sal_Int32 nDistribute );

    TableModelRef mxTable;
    LayoutVector maRows;
    LayoutVector maColumns;

    BorderLineMap maHorizontalBorders;
    BorderLineMap maVerticalBorders;
};

}

#endif

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