Лабораторная работа 31 / oot / OLEApp / SrvrItem

// SrvrItem.cpp : implementation of the COLEAppSrvrItem class
//

#include "stdafx.h"
#include "OLEApp.h"

#include "OLEAppDoc.h"
#include "SrvrItem.h"
#include "CntrItem.h"

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

/////////////////////////////////////////////////////////////////////////////
// COLEAppSrvrItem implementation

IMPLEMENT_DYNAMIC(COLEAppSrvrItem, COleServerItem)

COLEAppSrvrItem::COLEAppSrvrItem(COLEAppDoc* pContainerDoc)
	: COleServerItem(pContainerDoc, TRUE)
{
	// TODO: add one-time construction code here
	//  (eg, adding additional clipboard formats to the item's data source)
}

COLEAppSrvrItem::~COLEAppSrvrItem()
{
	// TODO: add cleanup code here
}

void COLEAppSrvrItem::Serialize(CArchive& ar)
{
	// COLEAppSrvrItem::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())
	{
		COLEAppDoc* pDoc = GetDocument();
		ASSERT_VALID(pDoc);
		pDoc->Serialize(ar);
	}
}

BOOL COLEAppSrvrItem::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);

	// COLEAppSrvrItem::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.

	COLEAppDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// TODO: replace this arbitrary size
	rSize = pDoc->GetDocSize();
	CClientDC dc(NULL);

        // use a mapping mode based on logical units
	//  (we can't use MM_LOENGLISH because MM_LOENGLISH uses physical inches)
	dc.SetMapMode(MM_ANISOTROPIC);
	dc.SetViewportExt(dc.GetDeviceCaps(LOGPIXELSX), dc.GetDeviceCaps(LOGPIXELSY));
	dc.SetWindowExt(100, 100);
	dc.LPtoHIMETRIC(&rSize);

	return TRUE;
}

BOOL COLEAppSrvrItem::OnDraw(CDC* pDC, CSize& rSize)
{
	// Remove this if you use rSize
	UNREFERENCED_PARAMETER(rSize);

	COLEAppDoc* 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(300, 300);
*/
//***
	pDC->SetMapMode(MM_ANISOTROPIC);
	CSize sizeDoc = pDoc->GetDocSize();
	//sizeDoc.cy = -sizeDoc.cy;
	pDC->SetWindowOrg(0,0);
	pDC->SetWindowExt(sizeDoc);
//***

	// draw the OLE items from the list
	POSITION pos = pDoc->GetStartPosition();
	while (pos != NULL)
	{
		// draw the item
		COLEAppCntrItem* pItem = (COLEAppCntrItem*)pDoc->GetNextItem(pos);
		pItem->Draw(pDC, pItem->m_rect);
	}

   Hash<stringKey, CElement*>::iterator it = pDoc->getHashStart();
   Hash<stringKey, CElement*>::iterator end = pDoc->getHashEnd();
   while(it != end){
	  pair<stringKey, CElement*> he = it++;

	  CElement* pElement = he.second;
	  string keyText = he.first.getKey(); // if if drag object - don't show it's key

		pElement->Draw(pDC, 0, keyText);  // ...draw it
   }

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// COLEAppSrvrItem diagnostics

#ifdef _DEBUG
void COLEAppSrvrItem::AssertValid() const
{
	COleServerItem::AssertValid();
}

void COLEAppSrvrItem::Dump(CDumpContext& dc) const
{
	COleServerItem::Dump(dc);
}
#endif

/////////////////////////////////////////////////////////////////////////////