#pragma once

#include "acgi.h"

#ifdef EARTHWORM_EXPORT
#define DLLIMPEXP __declspec(dllexport)
#else
#define DLLIMPEXP __declspec(dllimport)
#endif

class CGsPreviewCtrl;
class DLLIMPEXP CBlkRecsPreviewList : public CWnd
{
public:
			 CBlkRecsPreviewList();
	virtual ~CBlkRecsPreviewList();

public:

	BOOL Create(const RECT& rect, CWnd* pParentWnd, UINT nID = 0xffff);

	// 初始化 nCount 为Add方法设置
    BOOL Init(HMODULE hRes,int nRows,int nCols,int m_nCount = -1);

	// 擦除视口 -1 : ALL
    void Clear(int nIndex = -1);

	// 添加实体到view
	BOOL Add(AcDbEntity* pEnt,int nIndex,AcDbExtents* pExtAll = NULL);

	BOOL Add(LPCTSTR pszDwgFile,LPCTSTR pszName);

	BOOL Add(LPCTSTR pszDwgFile,LPCTSTR pszShowRc,LPCTSTR pszName);

	// 预览db的特定以 特定字符串 开头的块
	BOOL PreViewNamedRecs(LPCTSTR pszDwgFile,LPCTSTR pszHead = NULL);

	// 获取选择的索引 rec 名称
	BOOL GetCurSelRec(CString& sRecName);

	// 获取选择的索引 rec 名称
	BOOL GetCurSelRec(CString& sDwgFile,CString& sRecName);

	// 获取选择的索引
	int GetCurSelIndex();

	void Redraw(AcDbExtents* pExtAll = NULL,int nGsViewIndex = -1);

	void ZoomExtent(AcGsView* pView,AcDbExtents* pExtAll);

	void ZoomExtent(int nGsViewIndex,AcDbExtents* pExtAll);

public:

	//{{AFX_VIRTUAL(CBlkRecsPreviewList)
	//}}AFX_VIRTUAL

protected:
	//{{AFX_MSG(CBlkRecsPreviewList)
	afx_msg void OnPaint();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnDestroy();
	afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
	
protected:
	
	// 销毁所有的gs对象
	void DestroyAll();

	// 计算或画单元
	void DrawGridCell(CDC* pDC,CArray<CRect,CRect>& arCells);

	int  HitViewCell(CPoint point);

	void SetShowViewPort(CArray<CRect,CRect>& arCells);

	void DrawCurselCell(CDC* pDC);

	//nIndex 为 DC 的坐标的 cell 索引
	CRect GetCellIndexRect(int nIndex);

	bool GetActiveViewPortInfo (ads_real &height, ads_real &width,
							AcGePoint3d &target, AcGeVector3d &viewDir, 
							ads_real &viewTwist, bool getViewCenter);

	Acad::ErrorStatus InitDrawingControl (CGsPreviewCtrl* pPreViewCtrl,AcDbDatabase *pDb, const TCHAR *space = ACDB_MODEL_SPACE);

	void SetViewTo(AcGsView *pView, AcDbDatabase *pDb, AcGeMatrix3d& viewMat);

	void RefreshView(AcGsView *pView);

protected:

    AcGsManager*		m_pManager;
#if (ARX > 19)
	AcGsGraphicsKernel  *m_pFactory;
#else
	AcGsClassFactory    *m_pFactory;
#endif
    AcGsDevice*			m_pDevice;
	CStringArray		m_arRecNames;
	int					m_nRows;
	int					m_nCols;
	int					m_nCurSel;
	int					m_nIDAdd;
	static int			s_nSpace;
	
	CStringArray		m_arDwgFiles;
    CPtrArray			m_arViewPtrs;
	CPtrArray			m_arModelPtrs;
	CPtrArray			m_arDbPtrs;
	BOOL				m_bInit;
};