#pragma once
#include <DrawModel/Curve.h>
#include "HTrackerCommon.h"
#include "HTrackerHandleCalculator.h"
#include "HTrackerDrawer.h"
#include "HTrackerTransform.h"
#include "RubberLine.h"
#include "HTrackerSwitch.h"
#include "HTrackerBound.h"

class CSigmaDoc;
class TransformMotiveGraphDrawer;
class ScaleMotionGraphDrawer;
class PanMotionGraphDrawer;
class RotationMotionGraphDrawer;
class ShearMotionGraphDrawer;
class SelectedItemMotionGraphDrawer;

class HTracker
{
public:
	enum HTRACKER_STATUS
	{
		HTRACKER_STATUS_HIDE,
		HTRACKER_STATUS_NOT_DRAG, //未拖拽状态
		HTRACKER_STATUS_DRAGING   //拖拽状态
	};
public:
	HTracker();
	~HTracker();
	bool Create(CSigmaDoc * pDoc, CPositionList & selectionSet);
	void LButtonDown(int mouseX, int mouseY);
	void MouseMove(CDC * pDC, int mouseX, int mouseY);
	void LButtonUp(int mouseX, int mouseY);
	void Draw(CDC * pDC);
	bool IsDraging();
	void Reset();
	//函数功能:测试鼠标点是否在Handle上。
//返回值:在Handle上，返回正数。数值代表是哪个Handle。不在Handle上返回0。
	HTRACKER_HANDLE_KIND HitTest(int mouseX, int mouseY);
	bool IsRotateAndShearState();
protected:
	void CopySelectionSet(CPositionList & selectionSet);
	void TranslateBoundRect(CRect & boundRectOut);
	HTRACKER_TRANSFORM_KIND JudgeTransformKind(HTRACKER_HANDLE_KIND kind);
	void ChangeGraphDrawer();
	void ChangeHtrackerDrawerState();
private:
	HTRACKER_STATUS             m_status;
	CPositionList               m_selectionSet; //选择集
	CRect                       m_boundRect; //tracker的外包矩形
	HTrackerBound               m_bound;
	int                         m_HandleSize; //Handle宽度 单位为像素
	HTrackerHandleCalculator    m_handleCalctor;
	HTrackerDrawer              m_drawer;
	HTrackerTransform           m_trackerTransform;
	CSigmaDoc *                 m_pDoc;
	TransformMotiveGraphDrawer* m_pTMGDrawer;
	ScaleMotionGraphDrawer *    m_pScaleMotionGraphDrawer;
	PanMotionGraphDrawer *      m_pPanMotionGraphDrawer;
	RotationMotionGraphDrawer * m_pRotationMotionGraphDrawer;
	ShearMotionGraphDrawer *    m_pShearMotionGraphDrawer;
	int                         m_motionCount;
	HTrackerSwitch              m_switch;
	HTRACKER_TRANSFORM_KIND     m_transformKind;
	SelectedItemMotionGraphDrawer * m_pSIMGDrawer;
};