axserverview.cpp

vc++ acticex原代码

// AxServerView.cpp : implementation of the CAxServerView class
//

#include "stdafx.h"
#include "AxServer.h"

#include "AxServerDoc.h"
#include "AxServerView.h"
#include "srvritem.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAxServerView

IMPLEMENT_DYNCREATE(CAxServerView, CView)

BEGIN_MESSAGE_MAP(CAxServerView, CView)
	//{{AFX_MSG_MAP(CAxServerView)
	ON_COMMAND(ID_CANCEL_EDIT_SRVR, OnCancelEditSrvr)
	ON_COMMAND(ID_EDIT_COPY, OnEditCopy)
	ON_COMMAND(ID_EDIT_CUT, OnEditCut)
	ON_COMMAND(ID_EDIT_PASTE, OnEditPaste)
	ON_WM_CREATE()
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAxServerView construction/destruction

CAxServerView::CAxServerView()
{
	// TODO: add construction code here
	m_prevDropEffect = DROPEFFECT_NONE;

}

CAxServerView::~CAxServerView()
{
}

BOOL CAxServerView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CAxServerView drawing

void CAxServerView::OnDraw(CDC* pDC)
{
	CAxServerDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	pDoc->Draw(pDC);
}

/////////////////////////////////////////////////////////////////////////////
// CAxServerView printing

BOOL CAxServerView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CAxServerView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CAxServerView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// OLE Server support

// The following command handler provides the standard keyboard
//  user interface to cancel an in-place editing session.  Here,
//  the server (not the container) causes the deactivation.
void CAxServerView::OnCancelEditSrvr()
{
	GetDocument()->OnDeactivateUI(FALSE);
}

/////////////////////////////////////////////////////////////////////////////
// CAxServerView diagnostics

#ifdef _DEBUG
void CAxServerView::AssertValid() const
{
	CView::AssertValid();
}

void CAxServerView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CAxServerDoc* CAxServerView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CAxServerDoc)));
	return (CAxServerDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CAxServerView message handlers

void CAxServerView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo) 
{
	// TODO: Add your specialized code here and/or call the base class
	pDC->SetMapMode(MM_ANISOTROPIC);
	//	其他设置代码

	CView::OnPrepareDC(pDC, pInfo);
}

void CAxServerView::OnEditCopy() 
{
	// TODO: Add your command handler code here
	CAxServerDoc* pDoc=GetDocument();
	CAxServerSrvrItem *pItem=pDoc->GetEmbeddedItem();
	
	TRY
	{
		//pDataSource = new COleDataSource;
		COleDataSource* pDataSource = pItem->OnGetClipboardData(TRUE, NULL, NULL);

		// put on local format instead of or in addation to
		if(pDoc->m_cfPrivate != NULL)
		{
			STGMEDIUM stgMedium;
			pItem->GetEmbedSourceData(&stgMedium);
			pDataSource->CacheData(pDoc->m_cfPrivate, &stgMedium);
		}

		pDataSource->SetClipboard();
	}
	CATCH_ALL(e)
	{
		
		THROW_LAST();
	}
	END_CATCH_ALL	
}

void CAxServerView::OnEditCut() 
{
	// TODO: Add your command handler code here
	//	调用复制函数
	OnEditCopy();

	//	删除数据

	//	更新所有视图
	CAxServerDoc* pDoc=GetDocument();
	pDoc->SetModifiedFlag();
	pDoc->UpdateAllViews(NULL);
}

void CAxServerView::OnEditPaste() 
{
	// TODO: Add your command handler code here
	CAxServerDoc* pDoc=GetDocument();

	//	从剪贴板中获得数据
	COleDataObject clipboardData;
	clipboardData.AttachClipboard();

	//	判断剪贴板中数据的类型
	if (clipboardData.IsDataAvailable(pDoc->m_cfPrivate))
	{
		//	剪贴板中数据是自身的数据类型，则进行内部复制操作

		//	更新所有视图
		pDoc->SetModifiedFlag();
		pDoc->UpdateAllViews(NULL);
	}
	else
		return;
}

int CAxServerView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	//	拖放对象的注册
	m_dropTarget.Register(this);
	return 0;
}

void CAxServerView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	// 确定对象的大小和位置
	CClientDC dc(this);
	CRect rect(0,0,120,120);

	//	得到用于生成剪贴板数据的服务器对象
	CAxServerDoc* pDoc=GetDocument();
	CAxServerSrvrItem *pItem=pDoc->GetEmbeddedItem();
	ASSERT_VALID(pItem);

	//	计算偏移点并将对象的大小和位置转换到屏幕坐标转换
	dc.LPtoDP(&rect);
	CPoint ptOffset = point - rect.TopLeft();
	ClientToScreen(&rect);

	//	开始拖放对象
	if (pItem->DoDragDrop(rect, ptOffset, TRUE,
		DROPEFFECT_COPY | DROPEFFECT_MOVE) == DROPEFFECT_MOVE)
	{
		//	如果以移动对象则在此处添加删除代码

		//	更新所有视图
		pDoc->UpdateAllViews(NULL);
	}

	CView::OnLButtonDown(nFlags, point);
}

DROPEFFECT CAxServerView::OnDragEnter(COleDataObject* pDataObject, DWORD dwKeyState, CPoint point) 
{
	// TODO: Add your specialized code here and/or call the base class
	ASSERT(m_prevDropEffect==DROPEFFECT_NONE);	
	return CView::OnDragEnter(pDataObject, dwKeyState, point);
}

DROPEFFECT CAxServerView::OnDragOver(COleDataObject* pDataObject, DWORD dwKeyState, CPoint point) 
{
	// TODO: Add your specialized code here and/or call the base class
	DROPEFFECT dropEffect = DROPEFFECT_NONE;
	//	复制链接
	if ((dwKeyState & (MK_CONTROL|MK_SHIFT)) == (MK_CONTROL|MK_SHIFT))
		dropEffect = DROPEFFECT_COPY;
	//	复制
	else if ((dwKeyState & MK_CONTROL) == MK_CONTROL)
		dropEffect = DROPEFFECT_COPY;
	//	剪切(移动)
	else if ((dwKeyState & MK_ALT) == MK_ALT)
		dropEffect = DROPEFFECT_MOVE;
	else
		dropEffect = DROPEFFECT_MOVE;

	//	纪录拖动效果
	m_prevDropEffect = dropEffect;
	return dropEffect;
	
//	return CView::OnDragOver(pDataObject, dwKeyState, point);
}

void CAxServerView::OnDragLeave() 
{
	// TODO: Add your specialized code here and/or call the base class
	m_prevDropEffect = DROPEFFECT_NONE;
	
//	CView::OnDragLeave();
}

BOOL CAxServerView::OnDrop(COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point) 
{
	// TODO: Add your specialized code here and/or call the base class
	
	m_prevDropEffect = DROPEFFECT_NONE;
	return CView::OnDrop(pDataObject, dropEffect, point);
}