ItemedLegend.h

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/*
 *  ItemedLegend.h
 *  IPhoneChart
 *
 *  Created by dong shi on 12/14/10.
 *  Copyright 2010 __MyCompanyName__. All rights reserved.
 *
 */

#ifndef MSICHART_ITEMEDLEGEND_H
#define MSICHART_ITEMEDLEGEND_H

#include "Legend.h"
#include "FormatFill.h"
#include "GraphObject.h"
#include "Rect2D.h"



namespace MsiChart
{
    struct GraphOptionsLegend
    {
        GraphOptionsLegend(bool iShowLegend, unsigned char iLegendPosition, unsigned char iLegendMarkersStyle, unsigned char iLegendBoxStyle)
        : mShowLegend(iShowLegend),
        mShowSeriesTitles(true),
        mLegendPosition(iLegendPosition), 
        mLegendMarkersStyle(iLegendMarkersStyle), 
        mLegendBoxStyle(iLegendBoxStyle),
        mLegendItemsNum(0),
        mRecalculate(false),
        mReposition(false),
        mAxisLabelsAutoFit(true),
        mIsByGroup(false),
        mIsColorBy(false)
        {}
        bool mShowLegend;
        bool mShowSeriesTitles;
        unsigned char mLegendPosition;
        unsigned char mLegendMarkersStyle;
        unsigned char mLegendBoxStyle;
        unsigned char mLegendItemsNum;
        bool mVertical;
        bool mRecalculate;
        bool mReposition;
        bool mAxisLabelsAutoFit;
        bool mIsByGroup;             
        bool mIsColorBy;             
    }; 



    class ItemedLegend: public Legend
    {
    public:
        typedef MSynch::SmartPtr<ItemedLegend> Ptr;
        
        ItemedLegend(const TripleId& irTripleId, GraphObjectManager* ipManager, Dataset::Ptr iDatasetPtr, Rect2D iArea);
        ~ItemedLegend();
        
        virtual void Draw();
        virtual void GenerateView();
        virtual void GenerateMapAndList();
        virtual void GetOptions(Int32 iPropertyId, CComVariant* opValue) const;
        virtual void GetOptions(Int32 iSeriesId, Int32 iPropertyId, CComVariant* opValue) const;
        virtual Int32 GetItemCount();
        
        bool SetFormatLineOfLegendMarkerLine(FormatLine::Ptr iFormatLine, Int32 iSeriesId, bool iIsLineVertical = false);
        
        bool IsByGroup() const; //For grid chart

        void UpdateFormatForLegendMarker(Int32 iIndex, FormatFill::Ptr iFormatFill, FormatLine::Ptr iFormatLine, bool iIsLineAssignedToLegnedMarkerLine = false, bool iIsLineVertical = false);

        
    protected:
        Int32 hGetLegendPosition();         
        
    private:    
        std::vector<StraightLineObject::Ptr> mLegendMarkerLines;    
        GraphOptionsLegend mGraphOptionsLegend; 
        
        Int32 mItemMargin;                      
        Int32 mEdgeMargin;
        Int32 mLegendMarkerSize;                
        bool mIsExpanded;               
        Int32 mLegendItemCount;
        
        std::map<Int32, Int32> mLegendItemIndexToStockMetricIndex;
        MBase::String   mStockMetricValue[3];
        unsigned char   mStockMetricLayout[3];
        
        void hCalculateLegendLayoutParas(FormatFont::Ptr iFormatFontPtr);
        
        void hLoadProperties();
        
        void hCalculateLegendLayoutInDevice(const Rect2D &irArea, Rect2D &orLegendArea, GraphCollectionObject::Ptr iLegendTextCollectionPtr);
        
        void hGenerateLegendText(const Rect2D& irArea, Rect2D &orTextArea, GraphCollectionObject::Ptr iGraphCollectionObjectPtr);
        
        bool hIsReversedOrder();
        
        unsigned char hCalculateLegendPosition();
        
        
        Int32 hGetItemCount();
    };

    inline bool ItemedLegend::IsByGroup() const
    {
        return mGraphOptionsLegend.mIsByGroup;
    }

    inline Int32 ItemedLegend::hGetLegendPosition()
    {
        return mGraphOptionsLegend.mLegendPosition;
    }
    
    
}
#endif