interfacedroptarget.cpp

接口封装 封装 我的 电动 的哦 得得

// InterfaceDropTarget.cpp: Implementierung der Klasse CInterfaceDropTarget.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "stdafx.h"
#include "InterfaceDropTarget.h"
#include "DropDialog.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Konstruktion/Destruktion
//////////////////////////////////////////////////////////////////////

CInterfaceDropTarget::CInterfaceDropTarget()
{
}

CInterfaceDropTarget::~CInterfaceDropTarget()
{

}

DROPEFFECT CInterfaceDropTarget::OnDragOver(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point )
{
	// this time we have to check every time what' our format
	// because in this sample the format may change dynamically
	UINT DragDropFormat;
	CString format = AfxGetApp()->GetProfileString("DragDrop", "Clipformat", "Common");
	if (format == "Private")
		DragDropFormat = ::RegisterClipboardFormat("InterfaceClipboardFormat");
	else
		DragDropFormat = CF_TEXT;

	CFile *pFile = pDataObject->GetFileData(DragDropFormat);
	if (pFile != NULL)
		// perhaps some point checking here?
		return DROPEFFECT_COPY; // data fits
	else
		return DROPEFFECT_NONE; // data won抰 fit
}

BOOL CInterfaceDropTarget::OnDrop(CWnd* pWnd, COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point )
{
	// this time we have to check every time what' our format
	// because in this sample the format may change dynamically
	UINT DragDropFormat;
	CString format = AfxGetApp()->GetProfileString("DragDrop", "Clipformat", "Common");
	if (format == "Private")
		DragDropFormat = ::RegisterClipboardFormat("InterfaceClipboardFormat");
	else
		DragDropFormat = CF_TEXT;

	CFile *pFile = pDataObject->GetFileData(DragDropFormat);
	if (pFile != NULL)
	{
		int number, colCou;
		CString Data;
		// perhaps some point checking first?
		TRY
		{
			CArchive ar(pFile, CArchive::load);
			TRY
			{
				if (DragDropFormat != CF_TEXT)
				{
					// "Serialize" your data object from the archive
					// (yes, you may use YourObject.Serialize(ar) here!)
					ar >> number;
					ar >> colCou;
					
					for (int i=0; i<number; i++)
						for (int j=0; j<colCou; j++)
						{
							ar >> Data ;

							if (pWnd->IsKindOf(RUNTIME_CLASS(CDropDialog)))
								((CDropDialog*)pWnd)->InsertData(i, j, Data);
						}
				}
				else
				{
					CString Data, t;

					TRY
					{
						while(ar.ReadString(t))
							Data += t + "\n";
					}
					CATCH_ALL(eInnerMost)
					{
#ifdef _DEBUG
						TCHAR   szCause[255];
						CString strFormatted;
						eInnerMost->GetErrorMessage(szCause, 255);
						strFormatted = _T("Exception: ");
						strFormatted += szCause;
						AfxMessageBox(strFormatted);   
#endif //_DEBUG
						ASSERT(FALSE);
					}
					END_CATCH_ALL;
					if (pWnd->IsKindOf(RUNTIME_CLASS(CDropDialog)))
						((CDropDialog*)pWnd)->ProcessData(Data);
				}
				ar.Close();
			}
			CATCH_ALL(eInner)
			{
				// exception while reading from or closing the archive
				ASSERT(FALSE);
			}
			END_CATCH_ALL;
		}
		CATCH_ALL(eOuter)
		{
			// exception in the destructor of ar
			ASSERT(FALSE);
		}
		END_CATCH_ALL;
		return TRUE;
	}
	return COleDropTarget::OnDrop(pWnd, pDataObject, dropEffect, point);
}