#pragma once
#include "item.h"

namespace NItem
{
class CItemSelectElement : public CItem
{
public:
	CItemSelectElement(CSigmaDoc * ppDoc);
	virtual ~CItemSelectElement(void);

	class SELECT_ITEM
	{
	public:
		POSITION pos;
		CPoint2D point;
		SELECT_ITEM()
		{
			pos=NULL;
		};
	};
	CList<SELECT_ITEM,SELECT_ITEM> SelectList;

protected:
	CList<SELECT_ITEM,SELECT_ITEM> RedoList;
	BOOL m_nCompareIdea;	//在已选择曲线中查找是否已选中过，-1=不比较，0=比较首尾，1=比较全部
	int m_SelectType;
	UINT m_SelectID;
	int num;				//选择的个数
	BOOL m_bRedraw;
	int m_countSelected;
public:
	void OnDraw(CXyDC* pDC) override;
	void OnDraw(CXyDC* pXyDC, CDC* pDC) override;
	void OnLButtonDown(CDC* pDC, UINT nFlags, CPoint point, int vk) override;
	int OnMouseMove(CDC* pDC, UINT nFlags, CPoint point) override;
	virtual void DrawSelectItem(POSITION pos);
	virtual void DrawSelectItem(SELECT_ITEM& item);
	virtual BOOL DoSelectEnd(void);
	virtual BOOL SelectItem(POSITION pos,CPoint2D point);
	virtual BOOL Select(POSITION pos, CPoint2D point);
	virtual BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	virtual void Redo(void);
	virtual void Undo(void);
	virtual BOOL IsElementType(POSITION pos, int type);
	virtual BOOL IsCanSelected(POSITION pos);
	virtual BOOL IsSelectItem(POSITION pos);

	void RemoveAllSelect();
	//void InvalidateOne(POSITION pos);

	BOOL IsMoveSelect(void);
	BOOL IsCanRedo(void);
	BOOL IsCanUndo(void);
	POSITION GetSelectItem(int nIndex);
	void RemoveAt(int nIndex);
	int GetSelectCount(void);

	void SetNumber(int nNum);
	void SetSelectInfo(int nType,UINT nInfoID);
	void SetCompareIdea(int nIdea);
	void InvalidateSelect(void);
	void EnableDraw(BOOL bEnable);
	int  GetCountSelected();
};

};