// xlsxdrawinganchor_p.h

#ifndef QXLSX_XLSXDRAWINGANCHOR_P_H
#define QXLSX_XLSXDRAWINGANCHOR_P_H

#include <QPoint>
#include <QSize>
#include <QString>
#include <QSharedPointer>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>

#include <memory>

#include "xlsxglobal.h"

QT_BEGIN_NAMESPACE_XLSX

class Drawing;
class MediaFile;
class Chart;

//Helper class
struct XlsxMarker
{
    XlsxMarker(){}
    XlsxMarker(int row, int column, int rowOffset, int colOffset)
        :cell(QPoint(row, column)), offset(rowOffset, colOffset)
    {

    }

    int row() const {return cell.x();}
    int col() const {return cell.y();}
    int rowOff() const {return offset.width();}
    int colOff() const {return offset.height();}

    QPoint cell;
    QSize offset;
};

class DrawingAnchor
{
public:
    enum ObjectType {
        GraphicFrame,
        Shape,
        GroupShape,
        ConnectionShape,
        Picture,
        Unknown
    };

    DrawingAnchor(Drawing *drawing, ObjectType objectType);
    virtual ~DrawingAnchor();

    void setObjectPicture(const QImage &img);
    bool getObjectPicture(QImage &img);
	
    void setObjectGraphicFrame(QSharedPointer<Chart> chart);

    virtual bool loadFromXml(QXmlStreamReader &reader) = 0;
    virtual void saveToXml(QXmlStreamWriter &writer) const = 0;

    virtual int row() const;
    virtual int col() const;

protected:
    QPoint loadXmlPos(QXmlStreamReader &reader);
    QSize loadXmlExt(QXmlStreamReader &reader);
    XlsxMarker loadXmlMarker(QXmlStreamReader &reader, const QString &node);
    void loadXmlObject(QXmlStreamReader &reader);
    void loadXmlObjectShape(QXmlStreamReader &reader);
    void loadXmlObjectGroupShape(QXmlStreamReader &reader);
    void loadXmlObjectGraphicFrame(QXmlStreamReader &reader);
    void loadXmlObjectConnectionShape(QXmlStreamReader &reader);
    void loadXmlObjectPicture(QXmlStreamReader &reader);

    void saveXmlPos(QXmlStreamWriter &writer, const QPoint &pos) const;
    void saveXmlExt(QXmlStreamWriter &writer, const QSize &ext) const;
    void saveXmlMarker(QXmlStreamWriter &writer, const XlsxMarker &marker, const QString &node) const;
    void saveXmlObject(QXmlStreamWriter &writer) const;
    void saveXmlObjectShape(QXmlStreamWriter &writer) const;
    void saveXmlObjectGroupShape(QXmlStreamWriter &writer) const;
    void saveXmlObjectGraphicFrame(QXmlStreamWriter &writer) const;
    void saveXmlObjectConnectionShape(QXmlStreamWriter &writer) const;
    void saveXmlObjectPicture(QXmlStreamWriter &writer) const;

    Drawing *m_drawing;
    ObjectType m_objectType;
    std::shared_ptr<MediaFile> m_pictureFile;
    QSharedPointer<Chart> m_chartFile;

    int m_id;
public:
    int getm_id();

protected:

	// liufeij {{
	void setObjectShape(const QImage &img); // liufeij

	QString  editASName; 
    // below only for twocellanchor shape
    QPoint posTA;   // for shape liufeij 20181024
    QSize extTA;    // for shape liufeij 20181024
    int rotWithShapeTA;  //// for shape liufeij 20181024
    int dpiTA;           //// for shape liufeij 20181024
    QString sp_textlink,sp_macro,sp_blip_cstate,sp_blip_rembed;

	// BELOW only for cxnSp shape
	QString cxnSp_filpV,cxnSp_macro;
	// belwo for cxnsp and sp
	QString xsp_cNvPR_name,xsp_cNvPR_id; //x measns shape and cxnSp together using
	QString xbwMode;         // same as above
	QString xIn_algn,xIn_cmpd,xIn_cap,xIn_w; //cxnSp only need xIn_w
	QString xprstGeom_prst;
	QString x_headEnd_w,x_headEnd_len,x_headEnd_tyep;
	QString x_tailEnd_w,x_tailEnd_len,x_tailEnd_tyep;
	QString Style_inref_idx,style_fillref_idx,style_effectref_idx,style_forntref_idx;
	QString Style_inref_val,style_fillref_val,style_effectref_val,style_forntref_val;
	// liufeij }}
};

class DrawingAbsoluteAnchor : public DrawingAnchor
{
public:
    DrawingAbsoluteAnchor(Drawing *drawing, ObjectType objectType=Unknown);

    QPoint pos;
    QSize ext;

    bool loadFromXml(QXmlStreamReader &reader) override;
    void saveToXml(QXmlStreamWriter &writer) const override;
};

class DrawingOneCellAnchor : public DrawingAnchor
{
public:
    DrawingOneCellAnchor(Drawing *drawing, ObjectType objectType=Unknown);

    XlsxMarker from;
    QSize ext;

    int row() const override;
    int col() const override;

    bool loadFromXml(QXmlStreamReader &reader) override;
    void saveToXml(QXmlStreamWriter &writer) const override;
};

class DrawingTwoCellAnchor : public DrawingAnchor
{
public:
    DrawingTwoCellAnchor(Drawing *drawing, ObjectType objectType=Unknown);

    XlsxMarker from;
    XlsxMarker to;

    int row() const override;
    int col() const override;

    bool loadFromXml(QXmlStreamReader &reader) override;
    void saveToXml(QXmlStreamWriter &writer) const override;
};

QT_END_NAMESPACE_XLSX

#endif // QXLSX_XLSXDRAWINGANCHOR_P_H
