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- // This is a part of the Microsoft Foundation Classes C++ library.
- // Copyright (C) 1992 Microsoft Corporation
- // All rights reserved.
- //
- // This source code is only intended as a supplement to the
- // Microsoft Foundation Classes Reference and Microsoft
- // QuickHelp and/or WinHelp documentation provided with the library.
- // See these sources for detailed information regarding the
- // Microsoft Foundation Classes product.
-
- #include "stdafx.h"
-
- #ifdef AFX_CORE2_SEG
- #pragma code_seg(AFX_CORE2_SEG)
- #endif
-
- #ifdef _DEBUG
- #undef THIS_FILE
- static char BASED_CODE THIS_FILE[] = __FILE__;
- #endif
-
- /////////////////////////////////////////////////////////////////////////////
- // CMultiDocTemplate
-
- IMPLEMENT_DYNAMIC(CMultiDocTemplate, CDocTemplate)
-
- /////////////////////////////////////////////////////////////////////////////
- // CMultiDocTemplate construction/destruction
-
- CMultiDocTemplate::CMultiDocTemplate(UINT nIDResource, CRuntimeClass* pDocClass,
- CRuntimeClass* pFrameClass, CRuntimeClass* pViewClass)
- : CDocTemplate(nIDResource, pDocClass, pFrameClass, pViewClass)
- {
- ASSERT(m_docList.IsEmpty());
- ASSERT(pDocClass != NULL);
-
- #ifndef _AFXDLL
- HINSTANCE hInst = AfxGetResourceHandle();
- #else
- HINSTANCE hInst = AfxFindResourceHandle(
- MAKEINTRESOURCE(nIDResource), RT_MENU);
- #endif
- m_hMenuShared = ::LoadMenu(hInst, MAKEINTRESOURCE(nIDResource));
- m_hAccelTable = ::LoadAccelerators(hInst, MAKEINTRESOURCE(nIDResource));
- m_nUntitledCount = 0; // start at 1
-
- #ifdef _DEBUG
- // warnings about missing components (don't bother with accelerators)
- if (m_hMenuShared == NULL)
- TRACE1("Warning: no shared menu for document template #%d\n", nIDResource);
- #endif //_DEBUG
- }
-
- CMultiDocTemplate::~CMultiDocTemplate()
- {
- #ifdef _DEBUG
- if (!m_docList.IsEmpty())
- TRACE1("Warning: destroying CMultiDocTemplate with %d documents alive\n",
- m_docList.GetCount());
- #endif
- // delete shared components
- if (m_hMenuShared != NULL)
- ::DestroyMenu(m_hMenuShared);
- if (m_hAccelTable != NULL)
- ::FreeResource((HGLOBAL)m_hAccelTable);
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CMultiDocTemplate attributes
-
- POSITION CMultiDocTemplate::GetFirstDocPosition() const
- {
- return m_docList.GetHeadPosition();
- }
-
- CDocument* CMultiDocTemplate::GetNextDoc(POSITION& rPos) const
- {
- return (CDocument*)m_docList.GetNext(rPos);
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CMultiDocTemplate document management (a list of currently open documents)
-
- void CMultiDocTemplate::AddDocument(CDocument* pDoc)
- {
- ASSERT_VALID(pDoc);
-
- CDocTemplate::AddDocument(pDoc);
- ASSERT(m_docList.Find(pDoc, NULL) == NULL); // must not be in list
- m_docList.AddTail(pDoc);
- }
-
-
- void CMultiDocTemplate::RemoveDocument(CDocument* pDoc)
- {
- ASSERT_VALID(pDoc);
-
- CDocTemplate::RemoveDocument(pDoc);
- m_docList.RemoveAt(m_docList.Find(pDoc));
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CMultiDocTemplate commands
-
-
- CDocument* CMultiDocTemplate::OpenDocumentFile(const char* pszPathName)
- {
- CDocument* pDocument = CreateNewDocument();
- if (pDocument == NULL)
- {
- TRACE0("CDocTemplate::CreateNewDocument returned NULL\n");
- AfxMessageBox(AFX_IDP_FAILED_TO_CREATE_DOC);
- return NULL;
- }
- ASSERT_VALID(pDocument);
-
- BOOL bOldAuto = pDocument->m_bAutoDelete;
- pDocument->m_bAutoDelete = FALSE; // don't destroy if something goes wrong
- CFrameWnd* pFrame = CreateNewFrame(pDocument, NULL);
- pDocument->m_bAutoDelete = bOldAuto;
- if (pFrame == NULL)
- {
- AfxMessageBox(AFX_IDP_FAILED_TO_CREATE_DOC);
- delete pDocument; // explicit delete on error
- return NULL;
- }
- ASSERT_VALID(pFrame);
-
- if (pszPathName == NULL)
- {
- // create a new document - with default document name
- UINT nUntitled = m_nUntitledCount + 1;
-
- CString strDocName;
- if (GetDocString(strDocName, CDocTemplate::docName) &&
- !strDocName.IsEmpty())
- {
- char szNum[8];
- wsprintf(szNum, "%d", nUntitled);
- strDocName += szNum;
- }
- else
- {
- // use generic 'untitled' - ignore untitled count
- VERIFY(strDocName.LoadString(AFX_IDS_UNTITLED));
- }
- pDocument->SetTitle(strDocName);
-
- if (!pDocument->OnNewDocument())
- {
- // user has be alerted to what failed in OnNewDocument
- TRACE0("CDocument::OnNewDocument returned FALSE\n");
- pFrame->DestroyWindow();
- return NULL;
- }
-
- // it worked, now bump untitled count
- m_nUntitledCount++;
- }
- else
- {
- // open an existing document
- if (!pDocument->OnOpenDocument(pszPathName))
- {
- // user has be alerted to what failed in OnOpenDocument
- TRACE0("CDocument::OnOpenDocument returned FALSE\n");
- pFrame->DestroyWindow();
- return NULL;
- }
- }
-
- InitialUpdateFrame(pFrame, pDocument);
- return pDocument;
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CMultiDocTemplate diagnostics
-
- #ifdef _DEBUG
- void CMultiDocTemplate::Dump(CDumpContext& dc) const
- {
- CDocTemplate::Dump(dc);
- AFX_DUMP1(dc, "\nm_hMenuShared = ", (UINT)m_hMenuShared);
- AFX_DUMP1(dc, "\nm_hAccelTable = ", (UINT)m_hAccelTable);
- AFX_DUMP1(dc, "\nm_nUntitledCount = ", m_nUntitledCount);
- AFX_DUMP1(dc, "\nwith ", m_docList.GetCount());
- AFX_DUMP0(dc, " open documents");
- POSITION pos = GetFirstDocPosition();
- while (pos)
- {
- CDocument* pDoc = GetNextDoc(pos);
- AFX_DUMP1(dc, "\nwith document ", (void*)pDoc);
- }
- }
-
- void CMultiDocTemplate::AssertValid() const
- {
- CDocTemplate::AssertValid();
-
- POSITION pos = GetFirstDocPosition();
- while (pos)
- {
- CDocument* pDoc = GetNextDoc(pos);
- ASSERT_VALID(pDoc);
- }
- }
- #endif //_DEBUG
-
- /////////////////////////////////////////////////////////////////////////////
-