envi-code/SourceCode/Code2026/shsTK/dropTarget.cpp

#include "stdafx.h"
#include "droptarget.h"
#include "acdb.h"
#include "adslib.h"
#include "rxregsvc.h"
#include "dbents.h"
#include "dbsymtb.h"
#include "acdocman.h"
#include"BlockDrag.h"
#include"geassign.h "
 
CMyOverrideDropTarget::CMyOverrideDropTarget(int nType,AcDbObjectId BlockId,int nColor,CString sPattern,double dScale,BOOL bExplode)
{
	m_nType=nType;
    m_rad = 0;
	m_BlockId=BlockId;
	m_bDrag=FALSE;
	m_nColor=nColor;
	m_sPattern=sPattern;
	m_dScale=dScale;
	m_nIndex=0;
	m_bExplode=bExplode;
}

CMyOverrideDropTarget::~CMyOverrideDropTarget()
{
}
void DrawBlockFun();
DROPEFFECT   CMyOverrideDropTarget::OnDragEnter(CWnd* pWnd, COleDataObject* pDataObject,DWORD dwKeyState, CPoint point)
{  
    return OnDragOver(pWnd, pDataObject, dwKeyState, point); 
}


DROPEFFECT CMyOverrideDropTarget::OnDragOver(CWnd* pWnd, COleDataObject* pDataObject,DWORD dwKeyState, CPoint point)
{ 
	return DROPEFFECT_COPY;
}


void CMyOverrideDropTarget::OnDragLeave(CWnd* pWnd)
{
	//acutPrintf(_T("dkdkdk"));
}
 
DROPEFFECT CMyOverrideDropTarget::OnDropEx(CWnd* pWnd, COleDataObject* pDataObject,DROPEFFECT dropDefault, DROPEFFECT dropList, CPoint point)
{
    return -1; // calls OnDrop();
}
void CMyOverrideDropTarget::ColorHatch(int nColor,ads_point pt)
{ 
	CString sText;
	AcDbObjectIdArray ExtIds;
	AcDbObjectIdArray DftIds;
	AcDbObjectId ExtId;
	AcDbObjectId DftId;
	
	ads_name first;
	ads_name last;
	acedInitGet(0,_T("D S"));
	AcDbObjectId FirstId;
	AcDbObjectId LastId;
	acdbEntLast(first);
	acdbGetObjectId(FirstId,first);
	
	
	ExtIds.setLogicalLength(0);
	DftIds.setLogicalLength(0);
	
	sText.Format(_T("-boundary %0.2f,%0.2f "),pt[0],pt[1]);
	
	BaseFuncs::CAD_SendStringToExecute(sText,TRUE);
	BaseFuncs::ClearAcadCmdLine();
	acdbEntLast(last);
	
	acdbGetObjectId(LastId,last);
	if(FirstId!=LastId)
	{
		ExtIds.append(LastId);
		acdbEntNext(first,first);
		acdbGetObjectId(FirstId,first);
		if(FirstId!=LastId)
		{
			DftIds.append(FirstId);
		}
		BaseFuncs::makeHatch3(_T("SOLID"),ExtIds,DftIds,nColor);
		BaseFuncs::DeleteEnt(LastId);
		if(DftIds.logicalLength()>0)
			BaseFuncs::DeleteEnt(FirstId);
	}
}

void CMyOverrideDropTarget::patternHatch(CString sPattern,ads_point pt)  //填充
{
	CString sText;
	AcDbObjectIdArray ExtIds;
	AcDbObjectIdArray DftIds;
	AcDbObjectId ExtId;
	AcDbObjectId DftId;
	ads_name first;
	AcDbObjectId FirstId;
	AcDbObjectId LastId;
	acdbEntLast(first);
	acdbGetObjectId(FirstId,first);
	
	double dAngle=0.0;
	double dScale=20;
	CString sNew;
	acedInitGet(0,_T("S"));
	//绘边界(D)/
	
	ExtIds.setLogicalLength(0);
	DftIds.setLogicalLength(0);
	sText=_T("-bhatch p ") +sPattern;
	
	sNew.Format(_T(" %0.2f %0.2f %0.2f,%0.2f "),dScale,dAngle,pt[0],pt[1]);
	sText=sText+sNew;
	BaseFuncs::CAD_SendStringToExecute(sText,TRUE);
	BaseFuncs::ClearAcadCmdLine(); 
}
 

BOOL CMyOverrideDropTarget::OnDrop(CWnd* pWnd, COleDataObject* pDataObject,DROPEFFECT dropEffect, CPoint point)
{ 
	if(acDocManagerPtr()->documentCount()<1)
		return TRUE	;
	//modify by hrp
	if(m_bDrag)
		return TRUE;
	m_bDrag=TRUE;
    BOOL fRet=TRUE;
    OnDragLeave(pWnd);

    CRect rSize;
    acedDwgPoint dwgPt;
    int windnum = acedGetWinNum(point.x, point.y);
    if (windnum == 0)
		return FALSE;
	AcDbObjectId BlfId;
    acedCoordFromPixelToWorld(windnum, point, dwgPt);
	AcDbDatabase *pDb = AcApGetDatabase((CView*)pWnd);
	acDocManager->lockDocument(acDocManager->document(pDb));
	acedGetAcadDwgView()->SetFocus();  //设置CAD焦点
	switch(m_nType)
	{
	case 0:
		BaseFuncs::InsertBlockRef1(m_BlockId,BlfId,asPnt3d(dwgPt),AcGeScale3d(m_dScale,m_dScale,m_dScale),0,TRUE);
		if(m_bExplode)
		{
			AcDbVoidPtrArray voidPtrArr;
			AcDbBlockReference *pBlf=NULL;
			if(acdbOpenObject(pBlf,BlfId,AcDb::kForWrite)==Acad::eOk)
			{
				pBlf->explode(voidPtrArr);
				pBlf->erase();
				pBlf->close();
				pBlf=NULL;
				AcDbObjectId EntId;
				for(int nLen=0;nLen<voidPtrArr.logicalLength();nLen++)
					BaseFuncs::AddEntToDb((AcDbEntity*)voidPtrArr[nLen],EntId);
			}
		}
		break;
	case 1:
		ColorHatch(m_nColor,dwgPt);
		break;
	case 2:
		 patternHatch(m_sPattern,dwgPt);
		break;
	}
   
    acedGetAcadFrame()->SetActiveWindow();
	acDocManager->unlockDocument(acDocManager->document(pDb));
	return TRUE;
}