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#ifndef CHART2_INTERNALDATA_HXX
#define CHART2_INTERNALDATA_HXX

#include <com/sun/star/uno/Sequence.hxx>

#include <vector>
#include <valarray>

namespace chart
{

class InternalData
{
public:
    InternalData();

    void createDefaultData();
    bool isDefaultData();
    void clearDefaultData();

    void setData( const ::com::sun::star::uno::Sequence<
        ::com::sun::star::uno::Sequence< double > > & rDataInRows );
    ::com::sun::star::uno::Sequence<
        ::com::sun::star::uno::Sequence< double > > getData() const;

    ::com::sun::star::uno::Sequence< double > getColumnValues( sal_Int32 nColumnIndex ) const;
    ::com::sun::star::uno::Sequence< double > getRowValues( sal_Int32 nRowIndex ) const;

    void setColumnValues( sal_Int32 nColumnIndex, const ::std::vector< double > & rNewData );
    void setRowValues( sal_Int32 nRowIndex, const ::std::vector< double > & rNewData );

    void setComplexColumnLabel( sal_Int32 nColumnIndex, const ::std::vector< ::rtl::OUString >& rComplexLabel );
    void setComplexRowLabel( sal_Int32 nRowIndex, const ::std::vector< ::rtl::OUString >& rComplexLabel );

    ::std::vector< ::rtl::OUString > getComplexColumnLabel( sal_Int32 nColumnIndex ) const;
    ::std::vector< ::rtl::OUString > getComplexRowLabel( sal_Int32 nRowIndex ) const;

    void swapRowWithNext( sal_Int32 nRowIndex );
    void swapColumnWithNext( sal_Int32 nColumnIndex );

    void insertColumn( sal_Int32 nAfterIndex );
    void insertRow( sal_Int32 nAfterIndex );
    void deleteColumn( sal_Int32 nAtIndex );
    void deleteRow( sal_Int32 nAtIndex );

    /// @return the index of the newly appended column
    sal_Int32 appendColumn();
    /// @return the index of the newly appended row
    sal_Int32 appendRow();

    sal_Int32 getRowCount() const;
    sal_Int32 getColumnCount() const;

    typedef ::std::valarray< double > tDataType;
    typedef ::std::vector< ::std::vector< ::rtl::OUString > > tVecVecString; //inner index is hierarchical level

    void setComplexRowLabels( const tVecVecString& rNewRowLabels );
    tVecVecString getComplexRowLabels() const;
    void setComplexColumnLabels( const tVecVecString& rNewColumnLabels );
    tVecVecString getComplexColumnLabels() const;

#if OSL_DEBUG_LEVEL > 2
    void traceData() const;
#endif

private: //methods
    /** resizes the data if at least one of the given dimensions is larger than
        before.  The data is never becoming smaller only larger.

        @return </TRUE>, if the data was enlarged
    */
    bool enlargeData( sal_Int32 nColumnCount, sal_Int32 nRowCount );

private:
    sal_Int32   m_nColumnCount;
    sal_Int32   m_nRowCount;

    tDataType       m_aData;
    tVecVecString   m_aRowLabels;//outer index is row index, inner index is category level
    tVecVecString   m_aColumnLabels;//outer index is column index
};

#endif

} //  namespace chart