复合文档结构分析VC源代码

// Dlg.cpp : implementation file // #include "stdafx.h" #include "SSFile Demo.h" #include "SSFile.h" #include "Dlg.h" #include "textentrydlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDlg dialog CDlg::CDlg(CWnd* pParent /*=NULL*/) : CDialog(CDlg::IDD, pParent) { //{{AFX_DATA_INIT(CDlg) m_Filename = _T(""); m_InnerPath = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CDlg) DDX_Control(pDX, IDC_LIST, m_List); DDX_Text(pDX, IDC_FILENAME, m_Filename); DDX_Text(pDX, IDC_INNERPATH, m_InnerPath); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CDlg, CDialog) //{{AFX_MSG_MAP(CDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_CREATE, OnCreateSSFile) ON_BN_CLICKED(IDC_OPEN, OnOpenSSFile) ON_BN_CLICKED(IDC_CLOSE, OnCloseSSFile) ON_LBN_SELCHANGE(IDC_LIST, OnItemChanged) ON_BN_CLICKED(IDC_ENTER, OnEnterStg) ON_BN_CLICKED(IDC_EXIT, OnExitStg) ON_BN_CLICKED(IDC_EXPORT, OnExport) ON_BN_CLICKED(IDC_IMPORT, OnImport) ON_BN_CLICKED(IDC_CREATEINNERSTG, OnCreateStg) ON_BN_CLICKED(IDC_DELETE, OnDelete) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDlg message handlers BOOL CDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon EnableDisable(); return TRUE; // return TRUE unless you set the focus to a control } void CDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CDlg::EnableDisable() { if (m_SSFile.IsOpen()) { GetDlgItem(IDC_CREATE)->EnableWindow(false); GetDlgItem(IDC_OPEN)->EnableWindow(false); GetDlgItem(IDC_CLOSE)->EnableWindow(); GetDlgItem(IDC_CREATEINNERSTG)->EnableWindow(); if (m_List.GetCurSel() == -1) GetDlgItem(IDC_DELETE)->EnableWindow(false); else GetDlgItem(IDC_DELETE)->EnableWindow(); CString str; if (m_List.GetCurSel() != -1) m_List.GetText(m_List.GetCurSel(), str); if (str.Right(9) == "<storage>") GetDlgItem(IDC_ENTER)->EnableWindow(); else GetDlgItem(IDC_ENTER)->EnableWindow(false); GetDlgItem(IDC_EXIT)->EnableWindow(m_SSFile.GetCurrentStorage() != m_SSFile.GetRootStorage()); if (str.Right(8) == "<stream>") GetDlgItem(IDC_EXPORT)->EnableWindow(); else GetDlgItem(IDC_EXPORT)->EnableWindow(false); GetDlgItem(IDC_IMPORT)->EnableWindow(); if (m_List.GetCurSel() != -1) GetDlgItem(IDC_DELETE)->EnableWindow(); else GetDlgItem(IDC_DELETE)->EnableWindow(false); } else { GetDlgItem(IDC_CREATE)->EnableWindow(); GetDlgItem(IDC_OPEN)->EnableWindow(); GetDlgItem(IDC_CLOSE)->EnableWindow(false); GetDlgItem(IDC_CREATEINNERSTG)->EnableWindow(false); GetDlgItem(IDC_DELETE)->EnableWindow(false); GetDlgItem(IDC_ENTER)->EnableWindow(false); GetDlgItem(IDC_EXIT)->EnableWindow(false); GetDlgItem(IDC_EXPORT)->EnableWindow(false); GetDlgItem(IDC_IMPORT)->EnableWindow(false); } } void CDlg::PopulateList() { m_List.ResetContent(); UpdateData(); if (!m_SSFile.IsOpen()) return; m_InnerPath = m_SSFile.GetPath(); UpdateData(false); IEnumSTATSTG *estg; IStorage *stg = m_SSFile.GetCurrentStorage(); if (stg) { if (stg->EnumElements(0, NULL, 0, &estg) != S_OK) return; STATSTG stgstruct; ULONG fetched; while (estg->Next(1, &stgstruct, &fetched) == S_OK) { char *c = new char[MAX_PATH]; WideCharToMultiByte(CP_ACP, NULL, stgstruct.pwcsName, -1, c, MAX_PATH, NULL, NULL); CString title = c; delete[] c; if (stgstruct.type == STGTY_STORAGE) title += " <storage>"; if (stgstruct.type == STGTY_STREAM) title += " <stream>"; m_List.AddString(title); } estg->Release(); } } void CDlg::OnCreateSSFile() { UpdateData(); if (!m_SSFile.CreateSSFile(m_Filename)) AfxMessageBox(_T("Unable to create DocFile!")); EnableDisable(); PopulateList(); } void CDlg::OnOpenSSFile() { UpdateData(); if (!m_SSFile.OpenSSFile(m_Filename)) AfxMessageBox(_T("Unable to open DocFile!")); EnableDisable(); PopulateList(); } void CDlg::OnCloseSSFile() { UpdateData(); m_SSFile.Close(); EnableDisable(); PopulateList(); } void CDlg::OnItemChanged() { EnableDisable(); } void CDlg::OnEnterStg() { CString str; m_List.GetText(m_List.GetCurSel(), str); m_SSFile.EnterStorage(str.Left(str.GetLength() - 10)); EnableDisable(); PopulateList(); } void CDlg::OnExitStg() { m_SSFile.ExitStorage(); EnableDisable(); PopulateList(); } void CDlg::OnExport() { CString str; m_List.GetText(m_List.GetCurSel(), str); if (str.Right(8) != "<stream>") return; CTextEntryDlg ted; ted.m_WindowTitle = "Export"; ted.m_Heading = "Please enter a filename to save the stream to::"; if (ted.DoModal() != IDOK) return; CFile out; if (!out.Open(ted.m_Data, CFile::modeCreate | CFile::modeReadWrite)) return;