explorerview.cpp

这些源代码

// ExplorerView.cpp : implementation of the CExplorerView class
//

#include "stdafx.h"
#include "Explorer.h"

#include "ExplorerDoc.h"
#include "CntrItem.h"
#include "ExplorerView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CExplorerView

IMPLEMENT_DYNCREATE(CExplorerView, CListView)

BEGIN_MESSAGE_MAP(CExplorerView, CListView)
	//{{AFX_MSG_MAP(CExplorerView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	ON_WM_DESTROY()
	ON_WM_SETFOCUS()
	ON_WM_SIZE()
	ON_COMMAND(ID_OLE_INSERT_NEW, OnInsertObject)
	ON_COMMAND(ID_CANCEL_EDIT_CNTR, OnCancelEditCntr)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CListView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CListView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CListView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExplorerView construction/destruction

CExplorerView::CExplorerView()
{
	m_pSelection = NULL;
	// TODO: add construction code here

}

CExplorerView::~CExplorerView()
{
}

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

	return CListView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CExplorerView drawing

void CExplorerView::OnDraw(CDC* pDC)
{
	CExplorerDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	CListCtrl& refCtrl = GetListCtrl();
	refCtrl.InsertItem(0, "Item!");
	// TODO: add draw code for native data here
	// TODO: also draw all OLE items in the document

	// Draw the selection at an arbitrary position.  This code should be
	//  removed once your real drawing code is implemented.  This position
	//  corresponds exactly to the rectangle returned by CExplorerCntrItem,
	//  to give the effect of in-place editing.

	// TODO: remove this code when final draw code is complete.

	if (m_pSelection == NULL)
	{
		POSITION pos = pDoc->GetStartPosition();
		m_pSelection = (CExplorerCntrItem*)pDoc->GetNextClientItem(pos);
	}
	if (m_pSelection != NULL)
		m_pSelection->Draw(pDC, CRect(10, 10, 210, 210));
}

void CExplorerView::OnInitialUpdate()
{
	CListView::OnInitialUpdate();


	// TODO: You may populate your ListView with items by directly accessing
	//  its list control through a call to GetListCtrl().

	// TODO: remove this code when final selection model code is written
	m_pSelection = NULL;    // initialize selection

}

/////////////////////////////////////////////////////////////////////////////
// CExplorerView printing

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

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

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

void CExplorerView::OnDestroy()
{
	// Deactivate the item on destruction; this is important
	// when a splitter view is being used.
   CListView::OnDestroy();
   COleClientItem* pActiveItem = GetDocument()->GetInPlaceActiveItem(this);
   if (pActiveItem != NULL && pActiveItem->GetActiveView() == this)
   {
      pActiveItem->Deactivate();
      ASSERT(GetDocument()->GetInPlaceActiveItem(this) == NULL);
   }
}


/////////////////////////////////////////////////////////////////////////////
// OLE Client support and commands

BOOL CExplorerView::IsSelected(const CObject* pDocItem) const
{
	// The implementation below is adequate if your selection consists of
	//  only CExplorerCntrItem objects.  To handle different selection
	//  mechanisms, the implementation here should be replaced.

	// TODO: implement this function that tests for a selected OLE client item

	return pDocItem == m_pSelection;
}

void CExplorerView::OnInsertObject()
{
	// Invoke the standard Insert Object dialog box to obtain information
	//  for new CExplorerCntrItem object.
	COleInsertDialog dlg;
	if (dlg.DoModal() != IDOK)
		return;

	BeginWaitCursor();

	CExplorerCntrItem* pItem = NULL;
	TRY
	{
		// Create new item connected to this document.
		CExplorerDoc* pDoc = GetDocument();
		ASSERT_VALID(pDoc);
		pItem = new CExplorerCntrItem(pDoc);
		ASSERT_VALID(pItem);

		// Initialize the item from the dialog data.
		if (!dlg.CreateItem(pItem))
			AfxThrowMemoryException();  // any exception will do
		ASSERT_VALID(pItem);
		
        if (dlg.GetSelectionType() == COleInsertDialog::createNewItem)
			pItem->DoVerb(OLEIVERB_SHOW, this);

		ASSERT_VALID(pItem);

		// As an arbitrary user interface design, this sets the selection
		//  to the last item inserted.

		// TODO: reimplement selection as appropriate for your application

		m_pSelection = pItem;   // set selection to last inserted item
		pDoc->UpdateAllViews(NULL);
	}
	CATCH(CException, e)
	{
		if (pItem != NULL)
		{
			ASSERT_VALID(pItem);
			pItem->Delete();
		}
		AfxMessageBox(IDP_FAILED_TO_CREATE);
	}
	END_CATCH

	EndWaitCursor();
}

// The following command handler provides the standard keyboard
//  user interface to cancel an in-place editing session.  Here,
//  the container (not the server) causes the deactivation.
void CExplorerView::OnCancelEditCntr()
{
	// Close any in-place active item on this view.
	COleClientItem* pActiveItem = GetDocument()->GetInPlaceActiveItem(this);
	if (pActiveItem != NULL)
	{
		pActiveItem->Close();
	}
	ASSERT(GetDocument()->GetInPlaceActiveItem(this) == NULL);
}

// Special handling of OnSetFocus and OnSize are required for a container
//  when an object is being edited in-place.
void CExplorerView::OnSetFocus(CWnd* pOldWnd)
{
	COleClientItem* pActiveItem = GetDocument()->GetInPlaceActiveItem(this);
	if (pActiveItem != NULL &&
		pActiveItem->GetItemState() == COleClientItem::activeUIState)
	{
		// need to set focus to this item if it is in the same view
		CWnd* pWnd = pActiveItem->GetInPlaceWindow();
		if (pWnd != NULL)
		{
			pWnd->SetFocus();   // don't call the base class
			return;
		}
	}

	CListView::OnSetFocus(pOldWnd);
}

void CExplorerView::OnSize(UINT nType, int cx, int cy)
{
	CListView::OnSize(nType, cx, cy);
	COleClientItem* pActiveItem = GetDocument()->GetInPlaceActiveItem(this);
	if (pActiveItem != NULL)
		pActiveItem->SetItemRects();
}

/////////////////////////////////////////////////////////////////////////////
// CExplorerView diagnostics

#ifdef _DEBUG
void CExplorerView::AssertValid() const
{
	CListView::AssertValid();
}

void CExplorerView::Dump(CDumpContext& dc) const
{
	CListView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CExplorerView message handlers
void CExplorerView::OnStyleChanged(int nStyleType, LPSTYLESTRUCT lpStyleStruct)
{
	//TODO: add code to react to the user changing the view style of your window
}