//////////////////////////////////////////////////////////////////////////
// 在文件视图中实现拖动的类
// 创建人: 黄荣平
//////////////////////////////////////////////////////////////////////////

// (C) Copyright 1996,1998 by Autodesk, Inc. 
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted, 
// provided that the above copyright notice appears in all copies and 
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting 
// documentation.
//
// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS. 
// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  AUTODESK, INC. 
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
//
// Use, duplication, or disclosure by the U.S. Government is subject to 
// restrictions set forth in FAR 52.227-19 (Commercial Computer
// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
// (Rights in Technical Data and Computer Software), as applicable.
//

#ifndef __DRAWDROPTARGET_H__
#define __DRAWDROPTARGET_H__
class CMyOverrideDropTarget  : public COleDropTarget
{
public:
    CMyOverrideDropTarget(int nType,AcDbObjectId BlockId,int nColor,CString sPattern,double dScale,BOOL bExplode);
    ~CMyOverrideDropTarget();

	virtual DROPEFFECT OnDragEnter(CWnd* pWnd, COleDataObject* pDataObject,
		DWORD dwKeyState, CPoint point);
	virtual DROPEFFECT OnDragOver(CWnd* pWnd, COleDataObject* pDataObject,
		DWORD dwKeyState, CPoint point);
	virtual BOOL OnDrop(CWnd* pWnd, COleDataObject* pDataObject,
		DROPEFFECT dropEffect, CPoint point);
	virtual void OnDragLeave(CWnd* pWnd);
	virtual DROPEFFECT OnDropEx(CWnd* pWnd, COleDataObject* pDataObject,
		DROPEFFECT dropDefault, DROPEFFECT dropList, CPoint point);
public:
	void patternHatch(CString sPattern,ads_point pt);
	void ColorHatch(int nIndex,ads_point pt);
	int m_nType	;//操作类型:0表示图块插入,1表示颜色填充,2表示图案填充
	AcDbObjectId m_BlockId;
private:
	BOOL m_bExplode;
	double m_dScale;
	CString m_sPattern;
	int m_nColor;
	BOOL m_bDrag;
    CPoint m_lastDragPt;
    DROPEFFECT m_prevDropEffect;
    CSize m_trackerSize;
    int  m_rad;
	int m_nIndex;
	AcDbObjectId m_BlfId;
};


 

#endif // __DRAWDROPTARGET_H__