/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef _CHART2_VSERIESPLOTTER_HXX
#define _CHART2_VSERIESPLOTTER_HXX

#include "PlotterBase.hxx"
#include "VDataSeries.hxx"
#include "LabelAlignment.hxx"
#include "MinimumAndMaximumSupplier.hxx"
#include "LegendEntryProvider.hxx"
#include "ExplicitCategoriesProvider.hxx"
#include <com/sun/star/chart2/XChartType.hpp>
#include <com/sun/star/drawing/Direction3D.hpp>


namespace com { namespace sun { namespace star {
    namespace util {
        class XNumberFormatsSupplier;
    }
    namespace chart2 {
        class XColorScheme;
        class XRegressionCurveCalculator;
    }
}}}

//.............................................................................
namespace chart
{
//.............................................................................

class NumberFormatterWrapper;

class AxesNumberFormats
{
public:
    AxesNumberFormats() {};

    void setFormat( sal_Int32 nFormatKey, sal_Int32 nDimIndex, sal_Int32 nAxisIndex )
    {
        m_aNumberFormatMap[tFullAxisIndex(nDimIndex,nAxisIndex)] = nFormatKey;
    }
    sal_Int32 hasFormat( sal_Int32 nDimIndex, sal_Int32 nAxisIndex ) const
    {
        return (m_aNumberFormatMap.find(tFullAxisIndex(nDimIndex,nAxisIndex)) !=m_aNumberFormatMap.end());
    }
    sal_Int32 getFormat( sal_Int32 nDimIndex, sal_Int32 nAxisIndex ) const
    {
        tNumberFormatMap::const_iterator aIt = m_aNumberFormatMap.find(tFullAxisIndex(nDimIndex,nAxisIndex));
        if( aIt !=m_aNumberFormatMap.end() )
            return aIt->second;
        return 0;
    }

private:
    typedef std::pair< sal_Int32, sal_Int32 > tFullAxisIndex;
    typedef std::map< tFullAxisIndex, sal_Int32 > tNumberFormatMap;
    tNumberFormatMap m_aNumberFormatMap;
};

//-----------------------------------------------------------------------------
/**
*/

//enum StackType { STACK_NORMAL, STACK_NONE, STACK_BESIDES, STACK_ONTOP, STACK_BEHIND };

class VDataSeriesGroup
{
    //a list of series that have the same CoordinateSystem
    //they are used to be plotted maybe in a stacked manner by a plotter

public:
    VDataSeriesGroup();
    VDataSeriesGroup( VDataSeries* pSeries );
    virtual ~VDataSeriesGroup();

    void addSeries( VDataSeries* pSeries );//takes ownership of pSeries
    sal_Int32 getSeriesCount() const;
    void deleteSeries();

    sal_Int32    getPointCount() const;
    sal_Int32    getAttachedAxisIndexForFirstSeries() const;

    void getMinimumAndMaximiumX( double& rfMinimum, double& rfMaximum ) const;
    void getMinimumAndMaximiumYInContinuousXRange( double& rfMinY, double& rfMaxY, double fMinX, double fMaxX, sal_Int32 nAxisIndex ) const;

    void calculateYMinAndMaxForCategory( sal_Int32 nCategoryIndex
                                            , bool bSeperateStackingForDifferentSigns
                                            , double& rfMinimumY, double& rfMaximumY, sal_Int32 nAxisIndex );
    void calculateYMinAndMaxForCategoryRange( sal_Int32 nStartCategoryIndex, sal_Int32 nEndCategoryIndex
                                                , bool bSeperateStackingForDifferentSigns
                                                , double& rfMinimumY, double& rfMaximumY, sal_Int32 nAxisIndex );

    ::std::vector< VDataSeries* >   m_aSeriesVector;

private:
    //cached values
    struct CachedYValues
    {
        CachedYValues();

        bool    m_bValuesDirty;
        double  m_fMinimumY;
        double  m_fMaximumY;
    };

    mutable bool        m_bMaxPointCountDirty;
    mutable sal_Int32   m_nMaxPointCount;
    typedef std::map< sal_Int32, CachedYValues > tCachedYValuesPerAxisIndexMap;
    mutable ::std::vector< tCachedYValuesPerAxisIndexMap >   m_aListOfCachedYValues;
};

class VSeriesPlotter : public PlotterBase, public MinimumAndMaximumSupplier, public LegendEntryProvider
{
    //-------------------------------------------------------------------------
    // public methods
    //-------------------------------------------------------------------------
public:
    virtual ~VSeriesPlotter();

    /*
    * A new series can be positioned relative to other series in a chart.
    * This positioning has two dimensions. First a series can be placed
    * next to each other on the category axis. This position is indicated by xSlot.
    * Second a series can be stacked on top of another. This position is indicated by ySlot.
    * The positions are counted from 0 on.
    * xSlot < 0                     : append the series to already existing x series
    * xSlot > occupied              : append the series to already existing x series
    *
    * If the xSlot is already occupied the given ySlot decides what should happen:
    * ySlot < -1                    : move all existing series in the xSlot to next slot
    * ySlot == -1                   : stack on top at given x position
    * ySlot == already occupied     : insert at given y and x position
    * ySlot > occupied              : stack on top at given x position
    */
    virtual void addSeries( VDataSeries* pSeries, sal_Int32 zSlot = -1, sal_Int32 xSlot = -1,sal_Int32 ySlot = -1 );

    /** a value <= 0 for a directions means that this direction can be stretched arbitrary
    */
    virtual ::com::sun::star::drawing::Direction3D  getPreferredDiagramAspectRatio() const;
    virtual bool keepAspectRatio() const;

    /** this enables you to handle series on the same x axis with different y axis
    the property AttachedAxisIndex at a dataseries indicates which value scale is to use
    (0==AttachedAxisIndex or a not set AttachedAxisIndex property indicates that this series should be scaled at the main y-axis;
    1==AttachedAxisIndex indicates that the series should be scaled at the first secondary axis if there is any otherwise at the main y axis
    and so on.
    The parameter nAxisIndex matches this DataSereis property 'AttachedAxisIndex'.
    nAxisIndex must be greater than 0. nAxisIndex==1 referres to the first secondary axis.
    )
    */

    virtual void addSecondaryValueScale( const ExplicitScaleData& rScale, sal_Int32 nAxisIndex )
                throw (::com::sun::star::uno::RuntimeException);

    //-------------------------------------------------------------------------
    // MinimumAndMaximumSupplier
    //-------------------------------------------------------------------------

    virtual double getMinimumX();
    virtual double getMaximumX();

    virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
    virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );

    virtual double getMinimumZ();
    virtual double getMaximumZ();

    virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex );
    virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex );
    virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex );
    virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex );
    virtual bool isSeperateStackingForDifferentSigns( sal_Int32 nDimensionIndex );

    virtual long calculateTimeResolutionOnXAxis();
    virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate );

    //------

    void getMinimumAndMaximiumX( double& rfMinimum, double& rfMaximum ) const;
    void getMinimumAndMaximiumYInContinuousXRange( double& rfMinY, double& rfMaxY, double fMinX, double fMaxX, sal_Int32 nAxisIndex ) const;

    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------

    virtual std::vector< ViewLegendEntry > createLegendEntries(
            const ::com::sun::star::awt::Size& rEntryKeyAspectRatio,
            ::com::sun::star::chart::ChartLegendExpansion eLegendExpansion,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::beans::XPropertySet >& xTextProperties,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::lang::XMultiServiceFactory >& xShapeFactory,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::uno::XComponentContext >& xContext
                );


    virtual LegendSymbolStyle getLegendSymbolStyle();
    virtual com::sun::star::awt::Size getPreferredLegendKeyAspectRatio();

    virtual ::com::sun::star::uno::Any getExplicitSymbol( const VDataSeries& rSeries, sal_Int32 nPointIndex=-1/*-1 for series symbol*/ );

    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape > createLegendSymbolForSeries(
                  const ::com::sun::star::awt::Size& rEntryKeyAspectRatio
                , const VDataSeries& rSeries
                , const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >& xTarget
                , const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xShapeFactory );

    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape > createLegendSymbolForPoint(
                  const ::com::sun::star::awt::Size& rEntryKeyAspectRatio
                , const VDataSeries& rSeries
                , sal_Int32 nPointIndex
                , const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >& xTarget
                , const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xShapeFactory );

    virtual std::vector< ViewLegendEntry > createLegendEntriesForSeries(
            const ::com::sun::star::awt::Size& rEntryKeyAspectRatio,
            const VDataSeries& rSeries,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::beans::XPropertySet >& xTextProperties,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::lang::XMultiServiceFactory >& xShapeFactory,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::uno::XComponentContext >& xContext
                );

    ::std::vector< VDataSeries* > getAllSeries();

    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------

    static VSeriesPlotter* createSeriesPlotter( const ::com::sun::star::uno::Reference<
                                ::com::sun::star::chart2::XChartType >& xChartTypeModel
                                , sal_Int32 nDimensionCount
                                , bool bExcludingPositioning = false /*for pie and donut charts labels and exploded segments are excluded from the given size*/);

    sal_Int32 getPointCount() const;

    void setNumberFormatsSupplier( const ::com::sun::star::uno::Reference<
                        ::com::sun::star::util::XNumberFormatsSupplier > & xNumFmtSupplier );
    void setAxesNumberFormats( const AxesNumberFormats& rAxesNumberFormats ) { m_aAxesNumberFormats = rAxesNumberFormats; };

    void setColorScheme( const ::com::sun::star::uno::Reference<
                        ::com::sun::star::chart2::XColorScheme >& xColorScheme );

    void setExplicitCategoriesProvider( ExplicitCategoriesProvider* pExplicitCategoriesProvider );

    //get series names for the z axis labels
    ::com::sun::star::uno::Sequence< rtl::OUString > getSeriesNames() const;

    void setPageReferenceSize( const ::com::sun::star::awt::Size & rPageRefSize );
    //better performance for big data
    void setCoordinateSystemResolution( const ::com::sun::star::uno::Sequence< sal_Int32 >& rCoordinateSystemResolution );
    bool PointsWereSkipped() const;

    //return the depth for a logic 1
    double  getTransformedDepth() const;

    void    releaseShapes();

    virtual void rearrangeLabelToAvoidOverlapIfRequested( const ::com::sun::star::awt::Size& rPageSize );

    bool WantToPlotInFrontOfAxisLine();
    virtual bool shouldSnapRectToUsedArea();

    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------
private: //methods
    //no default constructor
    VSeriesPlotter();

protected: //methods

    VSeriesPlotter( const ::com::sun::star::uno::Reference<
                ::com::sun::star::chart2::XChartType >& xChartTypeModel
                , sal_Int32 nDimensionCount
                , bool bCategoryXAxis=true );

    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
        getSeriesGroupShape( VDataSeries* pDataSeries
            , const::com::sun::star:: uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget );

    //the following group shapes will be created as children of SeriesGroupShape on demand
    //they can be used to assure that some parts of a series shape are always in front of others (e.g. symbols in front of lines)
    //parameter xTarget will be used as parent for the series group shape
    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
        getSeriesGroupShapeFrontChild( VDataSeries* pDataSeries
            , const::com::sun::star:: uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget );
    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
        getSeriesGroupShapeBackChild( VDataSeries* pDataSeries
            , const::com::sun::star:: uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget );

    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
        getLabelsGroupShape( VDataSeries& rDataSeries
            , const::com::sun::star:: uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget );

    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
        getErrorBarsGroupShape( VDataSeries& rDataSeries
            , const::com::sun::star:: uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget, bool bYError );

    ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape >
        createDataLabel( const ::com::sun::star::uno::Reference<
                    ::com::sun::star::drawing::XShapes >& xTarget
                , VDataSeries& rDataSeries
                , sal_Int32 nPointIndex
                , double fValue
                , double fSumValue
                , const ::com::sun::star::awt::Point& rScreenPosition2D
                , LabelAlignment eAlignment=LABEL_ALIGN_CENTER
                , sal_Int32 nOffset=0 );

    ::rtl::OUString getLabelTextForValue( VDataSeries& rDataSeries
                , sal_Int32 nPointIndex
                , double fValue
                , bool bAsPercentage );

    /** creates two T-shaped error bars in both directions (up/down or
        left/right depending on the bVertical parameter)

        @param rPos
            logic coordinates

        @param xErrorBarProperties
            the XPropertySet returned by the DataPoint-property "ErrorBarX" or
            "ErrorBarY".

        @param nIndex
            the index of the data point in rData for which the calculation is
            done.

        @param bVertical
            for y-error bars this is true, for x-error-bars it is false.
     */
    virtual void createErrorBar(
          const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget
        , const ::com::sun::star::drawing::Position3D & rPos
        , const ::com::sun::star::uno::Reference<
                ::com::sun::star::beans::XPropertySet > & xErrorBarProperties
        , const VDataSeries& rVDataSeries
        , sal_Int32 nIndex
        , bool bVertical
        , double* pfScaledLogicX
        );

    virtual void createErrorBar_X( const ::com::sun::star::drawing::Position3D& rUnscaledLogicPosition
        , VDataSeries& rVDataSeries, sal_Int32 nPointIndex
        , const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget
        , double* pfScaledLogicX=0 );

    virtual void createErrorBar_Y( const ::com::sun::star::drawing::Position3D& rUnscaledLogicPosition
        , VDataSeries& rVDataSeries, sal_Int32 nPointIndex
        , const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget
        , double* pfScaledLogicX=0 );

    virtual void createRegressionCurvesShapes( VDataSeries& rVDataSeries
        , const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget
        , const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xEquationTarget
        , bool bMaySkipPointsInRegressionCalculation );

    virtual void createRegressionCurveEquationShapes( const ::rtl::OUString & rEquationCID
        , const ::com::sun::star::uno::Reference<
            ::com::sun::star::beans::XPropertySet > & xEquationProperties
        , const ::com::sun::star::uno::Reference<
            ::com::sun::star::drawing::XShapes >& xEquationTarget
        , const ::com::sun::star::uno::Reference<
            ::com::sun::star::chart2::XRegressionCurveCalculator > & xRegressionCurveCalculator
        , ::com::sun::star::awt::Point aDefaultPos );

    virtual void setMappedProperties(
          const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShape >& xTarget
        , const ::com::sun::star::uno::Reference<
                ::com::sun::star::beans::XPropertySet >& xSource
        , const tPropertyNameMap& rMap
        , tPropertyNameValueMap* pOverwriteMap=0 );

    virtual PlottingPositionHelper& getPlottingPositionHelper( sal_Int32 nAxisIndex ) const;//nAxisIndex indicates whether the position belongs to the main axis ( nAxisIndex==0 ) or secondary axis ( nAxisIndex==1 )

    VDataSeries* getFirstSeries() const;

protected: //member
    PlottingPositionHelper*    m_pMainPosHelper;

    ::com::sun::star::uno::Reference<
            ::com::sun::star::chart2::XChartType >    m_xChartTypeModel;
    ::com::sun::star::uno::Reference<
            ::com::sun::star::beans::XPropertySet >           m_xChartTypeModelProps;

    ::std::vector< ::std::vector< VDataSeriesGroup > >  m_aZSlots;

    bool                                m_bCategoryXAxis;//true->xvalues are indices (this would not be necessary if series for category chart wouldn't have x-values)
    long m_nTimeResolution;
    Date m_aNullDate;

    ::std::auto_ptr< NumberFormatterWrapper > m_apNumberFormatterWrapper;
    AxesNumberFormats                         m_aAxesNumberFormats;//direct numberformats on axes, if empty ask the data series instead

    ::com::sun::star::uno::Reference<
            ::com::sun::star::chart2::XColorScheme >    m_xColorScheme;

    ExplicitCategoriesProvider*    m_pExplicitCategoriesProvider;

    //better performance for big data
    ::com::sun::star::uno::Sequence< sal_Int32 >    m_aCoordinateSystemResolution;
    bool m_bPointsWereSkipped;

private: //member
    typedef std::map< sal_Int32 , ExplicitScaleData > tSecondaryValueScales;
    tSecondaryValueScales   m_aSecondaryValueScales;

    typedef std::map< sal_Int32 , PlottingPositionHelper* > tSecondaryPosHelperMap;
    mutable tSecondaryPosHelperMap   m_aSecondaryPosHelperMap;
    ::com::sun::star::awt::Size      m_aPageReferenceSize;
};

//.............................................................................
} //namespace chart
//.............................................................................
#endif

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