www.pudn.com > ChatSystem_src.zip > SrvrItem.cpp

// SrvrItem.cpp : implementation of the CChatServerSrvrItem class 
// 
 
#include "stdafx.h" 
#include "ChatServer.h" 
 
#include "ChatServerDoc.h" 
#include "SrvrItem.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CChatServerSrvrItem implementation 
 
IMPLEMENT_DYNAMIC(CChatServerSrvrItem, COleServerItem) 
 
CChatServerSrvrItem::CChatServerSrvrItem(CChatServerDoc* pContainerDoc) 
	: COleServerItem(pContainerDoc, TRUE) 
{ 
	// TODO: add one-time construction code here 
	//  (eg, adding additional clipboard formats to the item's data source) 
} 
 
CChatServerSrvrItem::~CChatServerSrvrItem() 
{ 
	// TODO: add cleanup code here 
} 
 
void CChatServerSrvrItem::Serialize(CArchive& ar) 
{ 
	// CChatServerSrvrItem::Serialize will be called by the framework if 
	//  the item is copied to the clipboard.  This can happen automatically 
	//  through the OLE callback OnGetClipboardData.  A good default for 
	//  the embedded item is simply to delegate to the document's Serialize 
	//  function.  If you support links, then you will want to serialize 
	//  just a portion of the document. 
 
	if (!IsLinkedItem()) 
	{ 
		CChatServerDoc* pDoc = GetDocument(); 
		ASSERT_VALID(pDoc); 
		pDoc->Serialize(ar); 
	} 
} 
 
BOOL CChatServerSrvrItem::OnGetExtent(DVASPECT dwDrawAspect, CSize& rSize) 
{ 
	// Most applications, like this one, only handle drawing the content 
	//  aspect of the item.  If you wish to support other aspects, such 
	//  as DVASPECT_THUMBNAIL (by overriding OnDrawEx), then this 
	//  implementation of OnGetExtent should be modified to handle the 
	//  additional aspect(s). 
 
	if (dwDrawAspect != DVASPECT_CONTENT) 
		return COleServerItem::OnGetExtent(dwDrawAspect, rSize); 
 
	// CChatServerSrvrItem::OnGetExtent is called to get the extent in 
	//  HIMETRIC units of the entire item.  The default implementation 
	//  here simply returns a hard-coded number of units. 
 
	CChatServerDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
 
	// TODO: replace this arbitrary size 
 
	rSize = CSize(3000, 3000);   // 3000 x 3000 HIMETRIC units 
 
	return TRUE; 
} 
 
BOOL CChatServerSrvrItem::OnDraw(CDC* pDC, CSize& rSize) 
{ 
	// Remove this if you use rSize 
	UNREFERENCED_PARAMETER(rSize); 
 
	CChatServerDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
 
	// TODO: set mapping mode and extent 
	//  (The extent is usually the same as the size returned from OnGetExtent) 
	pDC->SetMapMode(MM_ANISOTROPIC); 
	pDC->SetWindowOrg(0,0); 
	pDC->SetWindowExt(3000, 3000); 
 
	// TODO: add drawing code here.  Optionally, fill in the HIMETRIC extent. 
	//  All drawing takes place in the metafile device context (pDC). 
 
	return TRUE; 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CChatServerSrvrItem diagnostics 
 
#ifdef _DEBUG 
void CChatServerSrvrItem::AssertValid() const 
{ 
	COleServerItem::AssertValid(); 
} 
 
void CChatServerSrvrItem::Dump(CDumpContext& dc) const 
{ 
	COleServerItem::Dump(dc); 
} 
#endif 
 
/////////////////////////////////////////////////////////////////////////////