///////////////////////////////////////////////////////////////////////////// // Name: wx/docview.h // Purpose: Doc/View classes // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id: docview.h 53546 2008-05-10 21:02:36Z VZ $ // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DOCH__ #define _WX_DOCH__ #include "wx/defs.h" #if wxUSE_DOC_VIEW_ARCHITECTURE #include "wx/list.h" #include "wx/string.h" #include "wx/frame.h" #if wxUSE_PRINTING_ARCHITECTURE #include "wx/print.h" #endif class WXDLLIMPEXP_FWD_CORE wxWindow; class WXDLLIMPEXP_FWD_CORE wxDocument; class WXDLLIMPEXP_FWD_CORE wxView; class WXDLLIMPEXP_FWD_CORE wxDocTemplate; class WXDLLIMPEXP_FWD_CORE wxDocManager; class WXDLLIMPEXP_FWD_CORE wxPrintInfo; class WXDLLIMPEXP_FWD_CORE wxCommandProcessor; class WXDLLIMPEXP_FWD_CORE wxFileHistory; class WXDLLIMPEXP_FWD_BASE wxConfigBase; #if wxUSE_STD_IOSTREAM #include "wx/iosfwrap.h" #else #include "wx/stream.h" #endif // Document manager flags enum { wxDOC_SDI = 1, wxDOC_MDI, wxDOC_NEW, wxDOC_SILENT, wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI }; // Document template flags enum { wxTEMPLATE_VISIBLE = 1, wxTEMPLATE_INVISIBLE, wxDEFAULT_TEMPLATE_FLAGS = wxTEMPLATE_VISIBLE }; #define wxMAX_FILE_HISTORY 9 class WXDLLEXPORT wxDocument : public wxEvtHandler { public: wxDocument(wxDocument *parent = (wxDocument *) NULL); virtual ~wxDocument(); // accessors void SetFilename(const wxString& filename, bool notifyViews = false); wxString GetFilename() const { return m_documentFile; } void SetTitle(const wxString& title) { m_documentTitle = title; } wxString GetTitle() const { return m_documentTitle; } void SetDocumentName(const wxString& name) { m_documentTypeName = name; } wxString GetDocumentName() const { return m_documentTypeName; } bool GetDocumentSaved() const { return m_savedYet; } void SetDocumentSaved(bool saved = true) { m_savedYet = saved; } virtual bool Close(); virtual bool Save(); virtual bool SaveAs(); virtual bool Revert(); #if wxUSE_STD_IOSTREAM virtual wxSTD ostream& SaveObject(wxSTD ostream& stream); virtual wxSTD istream& LoadObject(wxSTD istream& stream); #else virtual wxOutputStream& SaveObject(wxOutputStream& stream); virtual wxInputStream& LoadObject(wxInputStream& stream); #endif // Called by wxWidgets virtual bool OnSaveDocument(const wxString& filename); virtual bool OnOpenDocument(const wxString& filename); virtual bool OnNewDocument(); virtual bool OnCloseDocument(); // Prompts for saving if about to close a modified document. Returns true // if ok to close the document (may have saved in the meantime, or set // modified to false) virtual bool OnSaveModified(); // Called by framework if created automatically by the default document // manager: gives document a chance to initialise and (usually) create a // view virtual bool OnCreate(const wxString& path, long flags); // By default, creates a base wxCommandProcessor. virtual wxCommandProcessor *OnCreateCommandProcessor(); virtual wxCommandProcessor *GetCommandProcessor() const { return m_commandProcessor; } virtual void SetCommandProcessor(wxCommandProcessor *proc) { m_commandProcessor = proc; } // Called after a view is added or removed. The default implementation // deletes the document if this is there are no more views. virtual void OnChangedViewList(); virtual bool DeleteContents(); virtual bool Draw(wxDC&); virtual bool IsModified() const { return m_documentModified; } virtual void Modify(bool mod) { m_documentModified = mod; } virtual bool AddView(wxView *view); virtual bool RemoveView(wxView *view); wxList& GetViews() { return m_documentViews; } const wxList& GetViews() const { return m_documentViews; } wxView *GetFirstView() const; virtual void UpdateAllViews(wxView *sender = (wxView *) NULL, wxObject *hint = (wxObject *) NULL); virtual void NotifyClosing(); // Remove all views (because we're closing the document) virtual bool DeleteAllViews(); // Other stuff virtual wxDocManager *GetDocumentManager() const; virtual wxDocTemplate *GetDocumentTemplate() const { return m_documentTemplate; } virtual void SetDocumentTemplate(wxDocTemplate *temp) { m_documentTemplate = temp; } // Get title, or filename if no title, else [unnamed] // // NB: this method will be deprecated in wxWidgets 3.0, you still need to // override it if you need to modify the existing behaviour in this // version but use GetUserReadableName() below if you just need to call // it virtual bool GetPrintableName(wxString& buf) const; #if wxABI_VERSION >= 20805 wxString GetUserReadableName() const { wxString s; GetPrintableName(s); return s; } #endif // wxABI 2.8.5+ // Returns a window that can be used as a parent for document-related // dialogs. Override if necessary. virtual wxWindow *GetDocumentWindow() const; protected: wxList m_documentViews; wxString m_documentFile; wxString m_documentTitle; wxString m_documentTypeName; wxDocTemplate* m_documentTemplate; bool m_documentModified; wxDocument* m_documentParent; wxCommandProcessor* m_commandProcessor; bool m_savedYet; // Called by OnSaveDocument and OnOpenDocument to implement standard // Save/Load behavior. Re-implement in derived class for custom // behavior. virtual bool DoSaveDocument(const wxString& file); virtual bool DoOpenDocument(const wxString& file); private: DECLARE_ABSTRACT_CLASS(wxDocument) DECLARE_NO_COPY_CLASS(wxDocument) }; class WXDLLEXPORT wxView: public wxEvtHandler { public: // wxView(wxDocument *doc = (wxDocument *) NULL); wxView(); virtual ~wxView(); wxDocument *GetDocument() const { return m_viewDocument; } virtual void SetDocument(wxDocument *doc); wxString GetViewName() const { return m_viewTypeName; } void SetViewName(const wxString& name) { m_viewTypeName = name; } wxWindow *GetFrame() const { return m_viewFrame ; } void SetFrame(wxWindow *frame) { m_viewFrame = frame; } virtual void OnActivateView(bool activate, wxView *activeView, wxView *deactiveView); virtual void OnDraw(wxDC *dc) = 0; virtual void OnPrint(wxDC *dc, wxObject *info); virtual void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL); virtual void OnClosingDocument() {} virtual void OnChangeFilename(); // Called by framework if created automatically by the default document // manager class: gives view a chance to initialise virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) { return true; } // Checks if the view is the last one for the document; if so, asks user // to confirm save data (if modified). If ok, deletes itself and returns // true. virtual bool Close(bool deleteWindow = true); // Override to do cleanup/veto close virtual bool OnClose(bool deleteWindow); // Extend event processing to search the document's event table virtual bool ProcessEvent(wxEvent& event); // A view's window can call this to notify the view it is (in)active. // The function then notifies the document manager. virtual void Activate(bool activate); wxDocManager *GetDocumentManager() const { return m_viewDocument->GetDocumentManager(); } #if wxUSE_PRINTING_ARCHITECTURE virtual wxPrintout *OnCreatePrintout(); #endif protected: wxDocument* m_viewDocument; wxString m_viewTypeName; wxWindow* m_viewFrame; private: DECLARE_ABSTRACT_CLASS(wxView) DECLARE_NO_COPY_CLASS(wxView) }; // Represents user interface (and other) properties of documents and views class WXDLLEXPORT wxDocTemplate: public wxObject { friend class WXDLLIMPEXP_FWD_CORE wxDocManager; public: // Associate document and view types. They're for identifying what view is // associated with what template/document type wxDocTemplate(wxDocManager *manager, const wxString& descr, const wxString& filter, const wxString& dir, const wxString& ext, const wxString& docTypeName, const wxString& viewTypeName, wxClassInfo *docClassInfo = (wxClassInfo *) NULL, wxClassInfo *viewClassInfo = (wxClassInfo *)NULL, long flags = wxDEFAULT_TEMPLATE_FLAGS); virtual ~wxDocTemplate(); // By default, these two member functions dynamically creates document and // view using dynamic instance construction. Override these if you need a // different method of construction. virtual wxDocument *CreateDocument(const wxString& path, long flags = 0); virtual wxView *CreateView(wxDocument *doc, long flags = 0); // Helper method for CreateDocument; also allows you to do your own document // creation virtual bool InitDocument(wxDocument* doc, const wxString& path, long flags = 0); wxString GetDefaultExtension() const { return m_defaultExt; } wxString GetDescription() const { return m_description; } wxString GetDirectory() const { return m_directory; } wxDocManager *GetDocumentManager() const { return m_documentManager; } void SetDocumentManager(wxDocManager *manager) { m_documentManager = manager; } wxString GetFileFilter() const { return m_fileFilter; } long GetFlags() const { return m_flags; } virtual wxString GetViewName() const { return m_viewTypeName; } virtual wxString GetDocumentName() const { return m_docTypeName; } void SetFileFilter(const wxString& filter) { m_fileFilter = filter; } void SetDirectory(const wxString& dir) { m_directory = dir; } void SetDescription(const wxString& descr) { m_description = descr; } void SetDefaultExtension(const wxString& ext) { m_defaultExt = ext; } void SetFlags(long flags) { m_flags = flags; } bool IsVisible() const { return ((m_flags & wxTEMPLATE_VISIBLE) == wxTEMPLATE_VISIBLE); } wxClassInfo* GetDocClassInfo() const { return m_docClassInfo; } wxClassInfo* GetViewClassInfo() const { return m_viewClassInfo; } virtual bool FileMatchesTemplate(const wxString& path); protected: long m_flags; wxString m_fileFilter; wxString m_directory; wxString m_description; wxString m_defaultExt; wxString m_docTypeName; wxString m_viewTypeName; wxDocManager* m_documentManager; // For dynamic creation of appropriate instances. wxClassInfo* m_docClassInfo; wxClassInfo* m_viewClassInfo; // Called by CreateDocument and CreateView to create the actual document/view object. // By default uses the ClassInfo provided to the constructor. Override these functions // to provide a different method of creation. virtual wxDocument *DoCreateDocument(); virtual wxView *DoCreateView(); private: DECLARE_CLASS(wxDocTemplate) DECLARE_NO_COPY_CLASS(wxDocTemplate) }; // One object of this class may be created in an application, to manage all // the templates and documents. class WXDLLEXPORT wxDocManager: public wxEvtHandler { public: wxDocManager(long flags = wxDEFAULT_DOCMAN_FLAGS, bool initialize = true); virtual ~wxDocManager(); virtual bool Initialize(); // Handlers for common user commands void OnFileClose(wxCommandEvent& event); void OnFileCloseAll(wxCommandEvent& event); void OnFileNew(wxCommandEvent& event); void OnFileOpen(wxCommandEvent& event); void OnFileRevert(wxCommandEvent& event); void OnFileSave(wxCommandEvent& event); void OnFileSaveAs(wxCommandEvent& event); void OnPrint(wxCommandEvent& event); void OnPreview(wxCommandEvent& event); void OnUndo(wxCommandEvent& event); void OnRedo(wxCommandEvent& event); // Handlers for UI update commands void OnUpdateFileOpen(wxUpdateUIEvent& event); void OnUpdateFileClose(wxUpdateUIEvent& event); void OnUpdateFileRevert(wxUpdateUIEvent& event); void OnUpdateFileNew(wxUpdateUIEvent& event); void OnUpdateFileSave(wxUpdateUIEvent& event); void OnUpdateFileSaveAs(wxUpdateUIEvent& event); void OnUpdateUndo(wxUpdateUIEvent& event); void OnUpdateRedo(wxUpdateUIEvent& event); void OnUpdatePrint(wxUpdateUIEvent& event); void OnUpdatePreview(wxUpdateUIEvent& event); // Extend event processing to search the view's event table virtual bool ProcessEvent(wxEvent& event); // called when file format detection didn't work, can be overridden to do // something in this case virtual void OnOpenFileFailure() { } virtual wxDocument *CreateDocument(const wxString& path, long flags = 0); virtual wxView *CreateView(wxDocument *doc, long flags = 0); virtual void DeleteTemplate(wxDocTemplate *temp, long flags = 0); virtual bool FlushDoc(wxDocument *doc); virtual wxDocTemplate *MatchTemplate(const wxString& path); virtual wxDocTemplate *SelectDocumentPath(wxDocTemplate **templates, int noTemplates, wxString& path, long flags, bool save = false); virtual wxDocTemplate *SelectDocumentType(wxDocTemplate **templates, int noTemplates, bool sort = false); virtual wxDocTemplate *SelectViewType(wxDocTemplate **templates, int noTemplates, bool sort = false); virtual wxDocTemplate *FindTemplateForPath(const wxString& path); void AssociateTemplate(wxDocTemplate *temp); void DisassociateTemplate(wxDocTemplate *temp); wxDocument *GetCurrentDocument() const; void SetMaxDocsOpen(int n) { m_maxDocsOpen = n; } int GetMaxDocsOpen() const { return m_maxDocsOpen; } // Add and remove a document from the manager's list void AddDocument(wxDocument *doc); void RemoveDocument(wxDocument *doc); // closes all currently open documents bool CloseDocuments(bool force = true); // closes the specified document bool CloseDocument(wxDocument* doc, bool force = false); // Clear remaining documents and templates bool Clear(bool force = true); // Views or windows should inform the document manager // when a view is going in or out of focus virtual void ActivateView(wxView *view, bool activate = true); virtual wxView *GetCurrentView() const; wxList& GetDocuments() { return m_docs; } wxList& GetTemplates() { return m_templates; } // Make a default document name // // NB: this method is renamed to MakeNewDocumentName() in wx 3.0, you still // need to override it if your code needs to customize the default name // generation but if you just use it from your code, prefer the version // below which is forward-compatible with wx 3.0 virtual bool MakeDefaultName(wxString& buf); #if wxABI_VERSION >= 20808 wxString MakeNewDocumentName() const { wxString s; wx_const_cast(wxDocManager *, this)->MakeDefaultName(s); return s; } #endif // wx ABI >= 2.8.8 // Make a frame title (override this to do something different) virtual wxString MakeFrameTitle(wxDocument* doc); virtual wxFileHistory *OnCreateFileHistory(); virtual wxFileHistory *GetFileHistory() const { return m_fileHistory; } // File history management virtual void AddFileToHistory(const wxString& file); virtual void RemoveFileFromHistory(size_t i); virtual size_t GetHistoryFilesCount() const; virtual wxString GetHistoryFile(size_t i) const; virtual void FileHistoryUseMenu(wxMenu *menu); virtual void FileHistoryRemoveMenu(wxMenu *menu); #if wxUSE_CONFIG virtual void FileHistoryLoad(wxConfigBase& config); virtual void FileHistorySave(wxConfigBase& config); #endif // wxUSE_CONFIG virtual void FileHistoryAddFilesToMenu(); virtual void FileHistoryAddFilesToMenu(wxMenu* menu); wxString GetLastDirectory() const { return m_lastDirectory; } void SetLastDirectory(const wxString& dir) { m_lastDirectory = dir; } // Get the current document manager static wxDocManager* GetDocumentManager() { return sm_docManager; } #if WXWIN_COMPATIBILITY_2_6 // deprecated, use GetHistoryFilesCount() instead wxDEPRECATED( size_t GetNoHistoryFiles() const ); #endif // WXWIN_COMPATIBILITY_2_6 protected: long m_flags; int m_defaultDocumentNameCounter; int m_maxDocsOpen; wxList m_docs; wxList m_templates; wxView* m_currentView; wxFileHistory* m_fileHistory; wxString m_lastDirectory; static wxDocManager* sm_docManager; DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS(wxDocManager) DECLARE_NO_COPY_CLASS(wxDocManager) }; #if WXWIN_COMPATIBILITY_2_6 inline size_t wxDocManager::GetNoHistoryFiles() const { return GetHistoryFilesCount(); } #endif // WXWIN_COMPATIBILITY_2_6 // ---------------------------------------------------------------------------- // A default child frame // ---------------------------------------------------------------------------- class WXDLLEXPORT wxDocChildFrame : public wxFrame { public: wxDocChildFrame(wxDocument *doc, wxView *view, wxFrame *frame, wxWindowID id, const wxString& title, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long type = wxDEFAULT_FRAME_STYLE, const wxString& name = wxT("frame")); virtual ~wxDocChildFrame(){} // Extend event processing to search the view's event table virtual bool ProcessEvent(wxEvent& event); void OnActivate(wxActivateEvent& event); void OnCloseWindow(wxCloseEvent& event); wxDocument *GetDocument() const { return m_childDocument; } wxView *GetView() const { return m_childView; } void SetDocument(wxDocument *doc) { m_childDocument = doc; } void SetView(wxView *view) { m_childView = view; } bool Destroy() { m_childView = (wxView *)NULL; return wxFrame::Destroy(); } protected: wxDocument* m_childDocument; wxView* m_childView; private: DECLARE_CLASS(wxDocChildFrame) DECLARE_EVENT_TABLE() DECLARE_NO_COPY_CLASS(wxDocChildFrame) }; // ---------------------------------------------------------------------------- // A default parent frame // ---------------------------------------------------------------------------- class WXDLLEXPORT wxDocParentFrame : public wxFrame { public: wxDocParentFrame(); wxDocParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE, const wxString& name = wxFrameNameStr); bool Create(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE, const wxString& name = wxFrameNameStr); // Extend event processing to search the document manager's event table virtual bool ProcessEvent(wxEvent& event); wxDocManager *GetDocumentManager() const { return m_docManager; } void OnExit(wxCommandEvent& event); void OnMRUFile(wxCommandEvent& event); void OnCloseWindow(wxCloseEvent& event); protected: wxDocManager *m_docManager; private: typedef wxFrame base_type; DECLARE_CLASS(wxDocParentFrame) DECLARE_EVENT_TABLE() DECLARE_NO_COPY_CLASS(wxDocParentFrame) }; // ---------------------------------------------------------------------------- // Provide simple default printing facilities // ---------------------------------------------------------------------------- #if wxUSE_PRINTING_ARCHITECTURE class WXDLLEXPORT wxDocPrintout : public wxPrintout { public: wxDocPrintout(wxView *view = (wxView *) NULL, const wxString& title = wxT("Printout")); bool OnPrintPage(int page); bool HasPage(int page); bool OnBeginDocument(int startPage, int endPage); void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo); virtual wxView *GetView() { return m_printoutView; } protected: wxView* m_printoutView; private: DECLARE_DYNAMIC_CLASS(wxDocPrintout) DECLARE_NO_COPY_CLASS(wxDocPrintout) }; #endif // wxUSE_PRINTING_ARCHITECTURE // ---------------------------------------------------------------------------- // File history management // ---------------------------------------------------------------------------- class WXDLLEXPORT wxFileHistory : public wxObject { public: wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1); virtual ~wxFileHistory(); // Operations virtual void AddFileToHistory(const wxString& file); virtual void RemoveFileFromHistory(size_t i); virtual int GetMaxFiles() const { return (int)m_fileMaxFiles; } virtual void UseMenu(wxMenu *menu); // Remove menu from the list (MDI child may be closing) virtual void RemoveMenu(wxMenu *menu); #if wxUSE_CONFIG virtual void Load(wxConfigBase& config); virtual void Save(wxConfigBase& config); #endif // wxUSE_CONFIG virtual void AddFilesToMenu(); virtual void AddFilesToMenu(wxMenu* menu); // Single menu // Accessors virtual wxString GetHistoryFile(size_t i) const; virtual size_t GetCount() const { return m_fileHistoryN; } const wxList& GetMenus() const { return m_fileMenus; } #if wxABI_VERSION >= 20802 // Set/get base id void SetBaseId(wxWindowID baseId) { m_idBase = baseId; } wxWindowID GetBaseId() const { return m_idBase; } #endif // wxABI 2.8.2+ #if WXWIN_COMPATIBILITY_2_6 // deprecated, use GetCount() instead wxDEPRECATED( size_t GetNoHistoryFiles() const ); #endif // WXWIN_COMPATIBILITY_2_6 protected: // Last n files wxChar** m_fileHistory; // Number of files saved size_t m_fileHistoryN; // Menus to maintain (may need several for an MDI app) wxList m_fileMenus; // Max files to maintain size_t m_fileMaxFiles; private: // The ID of the first history menu item (Doesn't have to be wxID_FILE1) wxWindowID m_idBase; DECLARE_DYNAMIC_CLASS(wxFileHistory) DECLARE_NO_COPY_CLASS(wxFileHistory) }; #if WXWIN_COMPATIBILITY_2_6 inline size_t wxFileHistory::GetNoHistoryFiles() const { return m_fileHistoryN; } #endif // WXWIN_COMPATIBILITY_2_6 #if wxUSE_STD_IOSTREAM // For compatibility with existing file formats: // converts from/to a stream to/from a temporary file. bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream); bool WXDLLEXPORT wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename); #else // For compatibility with existing file formats: // converts from/to a stream to/from a temporary file. bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream); bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename); #endif // wxUSE_STD_IOSTREAM #endif // wxUSE_DOC_VIEW_ARCHITECTURE #endif // _WX_DOCH__