chart2/source/view/inc/MinimumAndMaximumSupplier.hxx

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  19
  20 #ifndef INCLUDED_CHART2_SOURCE_VIEW_INC_MINIMUMANDMAXIMUMSUPPLIER_HXX
  21 #define INCLUDED_CHART2_SOURCE_VIEW_INC_MINIMUMANDMAXIMUMSUPPLIER_HXX
  22
  23 #include <sal/types.h>
  24 #include <tools/date.hxx>
  25 #include <set>
  26
  27 namespace chart
  28 {
  29
  30 /**
  31 */
  32
  33 class MinimumAndMaximumSupplier
  34 {
  35 public:
  36     virtual double getMinimumX() = 0;
  37     virtual double getMaximumX() = 0;
  38
  39     //problem y maybe not is always the second border to ask for
  40     virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) = 0;
  41     virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) = 0;
  42
  43     //problem: z maybe not independent in future
  44     virtual double getMinimumZ() = 0;
  45     virtual double getMaximumZ() = 0;
  46
  47     virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex ) = 0;
  48     virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex ) = 0;
  49     virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex ) = 0;
  50     virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex ) = 0;
  51     virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) = 0;
  52
  53     //return a constant out of ::com::sun::star::chart::TimeUnit that allows to display the smallest distance between occurring dates
  54     virtual long calculateTimeResolutionOnXAxis() = 0;
  55     virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate ) = 0;
  56
  57 protected:
  58     ~MinimumAndMaximumSupplier() {}
  59 };
  60
  61 class MergedMinimumAndMaximumSupplier : public MinimumAndMaximumSupplier
  62 {
  63 public:
  64     MergedMinimumAndMaximumSupplier();
  65     virtual ~MergedMinimumAndMaximumSupplier();
  66
  67     void addMinimumAndMaximumSupplier( MinimumAndMaximumSupplier* pMinimumAndMaximumSupplier );
  68     bool hasMinimumAndMaximumSupplier( MinimumAndMaximumSupplier* pMinimumAndMaximumSupplier );
  69     void clearMinimumAndMaximumSupplierList();
  70
  71     //--MinimumAndMaximumSupplier
  72     virtual double getMinimumX() SAL_OVERRIDE;
  73     virtual double getMaximumX() SAL_OVERRIDE;
  74     virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) SAL_OVERRIDE;
  75     virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) SAL_OVERRIDE;
  76     virtual double getMinimumZ() SAL_OVERRIDE;
  77     virtual double getMaximumZ() SAL_OVERRIDE;
  78
  79     virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex ) SAL_OVERRIDE;
  80     virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex ) SAL_OVERRIDE;
  81     virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex ) SAL_OVERRIDE;
  82     virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex ) SAL_OVERRIDE;
  83     virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) SAL_OVERRIDE;
  84
  85     virtual long calculateTimeResolutionOnXAxis() SAL_OVERRIDE;
  86     virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate ) SAL_OVERRIDE;
  87
  88 private:
  89     typedef ::std::set< MinimumAndMaximumSupplier* > MinimumAndMaximumSupplierSet;
  90     MinimumAndMaximumSupplierSet m_aMinimumAndMaximumSupplierList;
  91
  92     inline MinimumAndMaximumSupplierSet::iterator begin() { return m_aMinimumAndMaximumSupplierList.begin(); }
  93     inline MinimumAndMaximumSupplierSet::iterator end() { return m_aMinimumAndMaximumSupplierList.end(); }
  94 };
  95
  96 } //namespace chart
  97 #endif
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */