1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/docview.cpp
3 // Purpose: Document/view classes
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
27 #if wxUSE_DOC_VIEW_ARCHITECTURE
30 #include "wx/string.h"
34 #include "wx/dialog.h"
37 #include "wx/filedlg.h"
45 #include "wx/filename.h"
52 #if wxUSE_PRINTING_ARCHITECTURE
53 #include "wx/prntbase.h"
54 #include "wx/printdlg.h"
57 #include "wx/msgdlg.h"
58 #include "wx/choicdlg.h"
59 #include "wx/docview.h"
60 #include "wx/confbase.h"
62 #include "wx/cmdproc.h"
67 #if wxUSE_STD_IOSTREAM
68 #include "wx/ioswrap.h"
75 #include "wx/wfstream.h"
78 // ----------------------------------------------------------------------------
80 // ----------------------------------------------------------------------------
82 IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
83 IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
84 IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
85 IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
86 IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
87 IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
89 #if wxUSE_PRINTING_ARCHITECTURE
90 IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
93 IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
95 // ----------------------------------------------------------------------------
96 // function prototypes
97 // ----------------------------------------------------------------------------
99 static inline wxString FindExtension(const wxChar *path);
100 static wxWindow* wxFindSuitableParent(void);
102 // ----------------------------------------------------------------------------
104 // ----------------------------------------------------------------------------
106 static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
108 // ============================================================================
110 // ============================================================================
112 // ----------------------------------------------------------------------------
114 // ----------------------------------------------------------------------------
116 static wxString FindExtension(const wxChar *path)
119 wxSplitPath(path, NULL, NULL, &ext);
121 // VZ: extensions are considered not case sensitive - is this really a good
123 return ext.MakeLower();
126 // ----------------------------------------------------------------------------
127 // Definition of wxDocument
128 // ----------------------------------------------------------------------------
130 wxDocument::wxDocument(wxDocument *parent)
132 m_documentModified = false;
133 m_documentParent = parent;
134 m_documentTemplate = (wxDocTemplate *) NULL;
135 m_commandProcessor = (wxCommandProcessor*) NULL;
139 bool wxDocument::DeleteContents()
144 wxDocument::~wxDocument()
148 if (m_commandProcessor)
149 delete m_commandProcessor;
151 if (GetDocumentManager())
152 GetDocumentManager()->RemoveDocument(this);
154 // Not safe to do here, since it'll invoke virtual view functions
155 // expecting to see valid derived objects: and by the time we get here,
156 // we've called destructors higher up.
160 bool wxDocument::Close()
162 if (OnSaveModified())
163 return OnCloseDocument();
168 bool wxDocument::OnCloseDocument()
170 // Tell all views that we're about to close
177 // Note that this implicitly deletes the document when the last view is
179 bool wxDocument::DeleteAllViews()
181 wxDocManager* manager = GetDocumentManager();
183 // first check if all views agree to be closed
184 const wxList::iterator end = m_documentViews.end();
185 for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
187 wxView *view = (wxView *)*i;
188 if ( !view->Close() )
192 // all views agreed to close, now do close them
193 if ( m_documentViews.empty() )
195 // normally the document would be implicitly deleted when the last view
196 // is, but if don't have any views, do it here instead
197 if ( manager && manager->GetDocuments().Member(this) )
202 // as we delete elements we iterate over, don't use the usual "from
203 // begin to end" loop
206 wxView *view = (wxView *)*m_documentViews.begin();
208 bool isLastOne = m_documentViews.size() == 1;
210 // this always deletes the node implicitly and if this is the last
211 // view also deletes this object itself (also implicitly, great),
212 // so we can't test for m_documentViews.empty() after calling this!
223 wxView *wxDocument::GetFirstView() const
225 if (m_documentViews.GetCount() == 0)
226 return (wxView *) NULL;
227 return (wxView *)m_documentViews.GetFirst()->GetData();
230 wxDocManager *wxDocument::GetDocumentManager() const
232 return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
235 bool wxDocument::OnNewDocument()
237 if (!OnSaveModified())
240 if (OnCloseDocument()==false) return false;
243 SetDocumentSaved(false);
246 GetDocumentManager()->MakeDefaultName(name);
248 SetFilename(name, true);
253 bool wxDocument::Save()
255 if (!IsModified() && m_savedYet)
258 if ( m_documentFile.empty() || !m_savedYet )
261 return OnSaveDocument(m_documentFile);
264 bool wxDocument::SaveAs()
266 wxDocTemplate *docTemplate = GetDocumentTemplate();
270 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
271 wxString filter = docTemplate->GetDescription() + wxT(" (") + docTemplate->GetFileFilter() + wxT(")|") + docTemplate->GetFileFilter();
273 // Now see if there are some other template with identical view and document
274 // classes, whose filters may also be used.
276 if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
278 wxList::compatibility_iterator node = wxDocManager::GetDocumentManager()->GetTemplates().GetFirst();
281 wxDocTemplate *t = (wxDocTemplate*) node->GetData();
283 if (t->IsVisible() && t != docTemplate &&
284 t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
285 t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
287 // add a '|' to separate this filter from the previous one
288 if ( !filter.empty() )
291 filter << t->GetDescription() << wxT(" (") << t->GetFileFilter() << wxT(") |")
292 << t->GetFileFilter();
295 node = node->GetNext();
299 wxString filter = docTemplate->GetFileFilter() ;
301 wxString tmp = wxFileSelector(_("Save as"),
302 docTemplate->GetDirectory(),
303 wxFileNameFromPath(GetFilename()),
304 docTemplate->GetDefaultExtension(),
306 wxSAVE | wxOVERWRITE_PROMPT,
307 GetDocumentWindow());
312 wxString fileName(tmp);
313 wxString path, name, ext;
314 wxSplitPath(fileName, & path, & name, & ext);
318 fileName += wxT(".");
319 fileName += docTemplate->GetDefaultExtension();
322 SetFilename(fileName);
323 SetTitle(wxFileNameFromPath(fileName));
325 // Notify the views that the filename has changed
326 wxList::compatibility_iterator node = m_documentViews.GetFirst();
329 wxView *view = (wxView *)node->GetData();
330 view->OnChangeFilename();
331 node = node->GetNext();
334 // Files that were not saved correctly are not added to the FileHistory.
335 if (!OnSaveDocument(m_documentFile))
338 // A file that doesn't use the default extension of its document template cannot be opened
339 // via the FileHistory, so we do not add it.
340 if (docTemplate->FileMatchesTemplate(fileName))
342 GetDocumentManager()->AddFileToHistory(fileName);
346 // The user will probably not be able to open the file again, so
347 // we could warn about the wrong file-extension here.
352 bool wxDocument::OnSaveDocument(const wxString& file)
357 if ( !DoSaveDocument(file) )
362 SetDocumentSaved(true);
364 wxFileName fn(file) ;
365 fn.MacSetDefaultTypeAndCreator() ;
370 bool wxDocument::OnOpenDocument(const wxString& file)
372 if (!OnSaveModified())
375 if ( !DoOpenDocument(file) )
378 SetFilename(file, true);
387 #if wxUSE_STD_IOSTREAM
388 wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
390 wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
396 #if wxUSE_STD_IOSTREAM
397 wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
399 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
405 bool wxDocument::Revert()
411 // Get title, or filename if no title, else unnamed
412 bool wxDocument::GetPrintableName(wxString& buf) const
414 if (!m_documentTitle.empty())
416 buf = m_documentTitle;
419 else if (!m_documentFile.empty())
421 buf = wxFileNameFromPath(m_documentFile);
431 wxWindow *wxDocument::GetDocumentWindow() const
433 wxView *view = GetFirstView();
435 return view->GetFrame();
437 return wxTheApp->GetTopWindow();
440 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
442 return new wxCommandProcessor;
445 // true if safe to close
446 bool wxDocument::OnSaveModified()
451 GetPrintableName(title);
454 if (!wxTheApp->GetAppName().empty())
455 msgTitle = wxTheApp->GetAppName();
457 msgTitle = wxString(_("Warning"));
460 prompt.Printf(_("Do you want to save changes to document %s?"),
461 (const wxChar *)title);
462 int res = wxMessageBox(prompt, msgTitle,
463 wxYES_NO|wxCANCEL|wxICON_QUESTION,
464 GetDocumentWindow());
470 else if (res == wxYES)
472 else if (res == wxCANCEL)
478 bool wxDocument::Draw(wxDC& WXUNUSED(context))
483 bool wxDocument::AddView(wxView *view)
485 if (!m_documentViews.Member(view))
487 m_documentViews.Append(view);
493 bool wxDocument::RemoveView(wxView *view)
495 (void)m_documentViews.DeleteObject(view);
500 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
502 if (GetDocumentTemplate()->CreateView(this, flags))
508 // Called after a view is added or removed.
509 // The default implementation deletes the document if
510 // there are no more views.
511 void wxDocument::OnChangedViewList()
513 if (m_documentViews.GetCount() == 0)
515 if (OnSaveModified())
522 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
524 wxList::compatibility_iterator node = m_documentViews.GetFirst();
527 wxView *view = (wxView *)node->GetData();
529 view->OnUpdate(sender, hint);
530 node = node->GetNext();
534 void wxDocument::NotifyClosing()
536 wxList::compatibility_iterator node = m_documentViews.GetFirst();
539 wxView *view = (wxView *)node->GetData();
540 view->OnClosingDocument();
541 node = node->GetNext();
545 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
547 m_documentFile = filename;
550 // Notify the views that the filename has changed
551 wxList::compatibility_iterator node = m_documentViews.GetFirst();
554 wxView *view = (wxView *)node->GetData();
555 view->OnChangeFilename();
556 node = node->GetNext();
561 bool wxDocument::DoSaveDocument(const wxString& file)
564 if (!wxTheApp->GetAppName().empty())
565 msgTitle = wxTheApp->GetAppName();
567 msgTitle = wxString(_("File error"));
569 #if wxUSE_STD_IOSTREAM
570 wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
571 if (store.fail() || store.bad())
573 wxFileOutputStream store(file);
574 if (store.GetLastError() != wxSTREAM_NO_ERROR)
577 (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
578 GetDocumentWindow());
582 if (!SaveObject(store))
584 (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
585 GetDocumentWindow());
593 bool wxDocument::DoOpenDocument(const wxString& file)
595 #if wxUSE_STD_IOSTREAM
596 wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
597 if (!store.fail() && !store.bad())
599 wxFileInputStream store(file);
600 if (store.GetLastError() == wxSTREAM_NO_ERROR)
603 #if wxUSE_STD_IOSTREAM
605 if ( !!store || store.eof() )
607 int res = LoadObject(store).GetLastError();
608 if ( res == wxSTREAM_NO_ERROR || res == wxSTREAM_EOF )
613 wxLogError(_("Sorry, could not open this file."));
618 // ----------------------------------------------------------------------------
620 // ----------------------------------------------------------------------------
624 m_viewDocument = (wxDocument*) NULL;
626 m_viewFrame = (wxFrame *) NULL;
631 GetDocumentManager()->ActivateView(this, false);
632 m_viewDocument->RemoveView(this);
635 // Extend event processing to search the document's event table
636 bool wxView::ProcessEvent(wxEvent& event)
638 if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
639 return wxEvtHandler::ProcessEvent(event);
644 void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
648 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
653 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
657 void wxView::OnChangeFilename()
659 // GetFrame can return wxWindow rather than wxTopLevelWindow due to
660 // generic MDI implementation so use SetLabel rather than SetTitle.
661 // It should cause SetTitle() for top level windows.
662 wxWindow *win = GetFrame();
665 wxDocument *doc = GetDocument();
669 doc->GetPrintableName(name);
673 void wxView::SetDocument(wxDocument *doc)
675 m_viewDocument = doc;
680 bool wxView::Close(bool deleteWindow)
682 if (OnClose(deleteWindow))
688 void wxView::Activate(bool activate)
690 if (GetDocument() && GetDocumentManager())
692 OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
693 GetDocumentManager()->ActivateView(this, activate);
697 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
699 return GetDocument() ? GetDocument()->Close() : true;
702 #if wxUSE_PRINTING_ARCHITECTURE
703 wxPrintout *wxView::OnCreatePrintout()
705 return new wxDocPrintout(this);
707 #endif // wxUSE_PRINTING_ARCHITECTURE
709 // ----------------------------------------------------------------------------
711 // ----------------------------------------------------------------------------
713 wxDocTemplate::wxDocTemplate(wxDocManager *manager,
714 const wxString& descr,
715 const wxString& filter,
718 const wxString& docTypeName,
719 const wxString& viewTypeName,
720 wxClassInfo *docClassInfo,
721 wxClassInfo *viewClassInfo,
724 m_documentManager = manager;
725 m_description = descr;
728 m_fileFilter = filter;
730 m_docTypeName = docTypeName;
731 m_viewTypeName = viewTypeName;
732 m_documentManager->AssociateTemplate(this);
734 m_docClassInfo = docClassInfo;
735 m_viewClassInfo = viewClassInfo;
738 wxDocTemplate::~wxDocTemplate()
740 m_documentManager->DisassociateTemplate(this);
743 // Tries to dynamically construct an object of the right class.
744 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
746 wxDocument *doc = DoCreateDocument();
748 return (wxDocument *) NULL;
750 if (InitDocument(doc, path, flags))
756 return (wxDocument *) NULL;
760 bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
762 doc->SetFilename(path);
763 doc->SetDocumentTemplate(this);
764 GetDocumentManager()->AddDocument(doc);
765 doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
767 if (doc->OnCreate(path, flags))
771 if (GetDocumentManager()->GetDocuments().Member(doc))
772 doc->DeleteAllViews();
777 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
779 wxView *view = DoCreateView();
781 return (wxView *) NULL;
783 view->SetDocument(doc);
784 if (view->OnCreate(doc, flags))
791 return (wxView *) NULL;
795 // The default (very primitive) format detection: check is the extension is
796 // that of the template
797 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
799 return GetDefaultExtension().IsSameAs(FindExtension(path));
802 wxDocument *wxDocTemplate::DoCreateDocument()
805 return (wxDocument *) NULL;
807 return (wxDocument *)m_docClassInfo->CreateObject();
810 wxView *wxDocTemplate::DoCreateView()
812 if (!m_viewClassInfo)
813 return (wxView *) NULL;
815 return (wxView *)m_viewClassInfo->CreateObject();
818 // ----------------------------------------------------------------------------
820 // ----------------------------------------------------------------------------
822 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
823 EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
824 EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
825 EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
826 EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
827 EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
828 EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
829 EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
830 EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
831 EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
833 EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
834 EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
835 EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose)
836 EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
837 EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
838 EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
839 EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
840 EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
841 EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
843 #if wxUSE_PRINTING_ARCHITECTURE
844 EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
845 EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
847 EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
848 EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
852 wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
854 wxDocManager::wxDocManager(long flags, bool initialize)
856 m_defaultDocumentNameCounter = 1;
858 m_currentView = (wxView *) NULL;
859 m_maxDocsOpen = 10000;
860 m_fileHistory = (wxFileHistory *) NULL;
863 sm_docManager = this;
866 wxDocManager::~wxDocManager()
870 delete m_fileHistory;
871 sm_docManager = (wxDocManager*) NULL;
874 // closes the specified document
875 bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
877 if (doc->Close() || force)
879 // Implicitly deletes the document when
880 // the last view is deleted
881 doc->DeleteAllViews();
883 // Check we're really deleted
884 if (m_docs.Member(doc))
892 bool wxDocManager::CloseDocuments(bool force)
894 wxList::compatibility_iterator node = m_docs.GetFirst();
897 wxDocument *doc = (wxDocument *)node->GetData();
898 wxList::compatibility_iterator next = node->GetNext();
900 if (!CloseDocument(doc, force))
903 // This assumes that documents are not connected in
904 // any way, i.e. deleting one document does NOT
911 bool wxDocManager::Clear(bool force)
913 if (!CloseDocuments(force))
916 m_currentView = NULL;
918 wxList::compatibility_iterator node = m_templates.GetFirst();
921 wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
922 wxList::compatibility_iterator next = node->GetNext();
929 bool wxDocManager::Initialize()
931 m_fileHistory = OnCreateFileHistory();
935 wxFileHistory *wxDocManager::OnCreateFileHistory()
937 return new wxFileHistory;
940 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
942 wxDocument *doc = GetCurrentDocument();
947 doc->DeleteAllViews();
948 if (m_docs.Member(doc))
953 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
955 CloseDocuments(false);
958 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
960 CreateDocument( wxEmptyString, wxDOC_NEW );
963 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
965 if ( !CreateDocument( wxEmptyString, 0) )
971 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
973 wxDocument *doc = GetCurrentDocument();
979 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
981 wxDocument *doc = GetCurrentDocument();
987 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
989 wxDocument *doc = GetCurrentDocument();
995 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
997 #if wxUSE_PRINTING_ARCHITECTURE
998 wxView *view = GetCurrentView();
1002 wxPrintout *printout = view->OnCreatePrintout();
1006 printer.Print(view->GetFrame(), printout, true);
1010 #endif // wxUSE_PRINTING_ARCHITECTURE
1013 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
1015 #if wxUSE_PRINTING_ARCHITECTURE
1016 wxView *view = GetCurrentView();
1020 wxPrintout *printout = view->OnCreatePrintout();
1023 // Pass two printout objects: for preview, and possible printing.
1024 wxPrintPreviewBase *preview = new wxPrintPreview(printout, view->OnCreatePrintout());
1025 if ( !preview->Ok() )
1028 wxMessageBox( _("Sorry, print preview needs a printer to be installed.") );
1032 wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
1033 wxPoint(100, 100), wxSize(600, 650));
1034 frame->Centre(wxBOTH);
1035 frame->Initialize();
1038 #endif // wxUSE_PRINTING_ARCHITECTURE
1041 void wxDocManager::OnUndo(wxCommandEvent& event)
1043 wxDocument *doc = GetCurrentDocument();
1046 if (doc->GetCommandProcessor())
1047 doc->GetCommandProcessor()->Undo();
1052 void wxDocManager::OnRedo(wxCommandEvent& event)
1054 wxDocument *doc = GetCurrentDocument();
1057 if (doc->GetCommandProcessor())
1058 doc->GetCommandProcessor()->Redo();
1063 // Handlers for UI update commands
1065 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
1067 event.Enable( true );
1070 void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
1072 wxDocument *doc = GetCurrentDocument();
1073 event.Enable( (doc != (wxDocument*) NULL) );
1076 void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
1078 wxDocument *doc = GetCurrentDocument();
1079 event.Enable( (doc != (wxDocument*) NULL) );
1082 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1084 event.Enable( true );
1087 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1089 wxDocument *doc = GetCurrentDocument();
1090 event.Enable( doc && doc->IsModified() );
1093 void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
1095 wxDocument *doc = GetCurrentDocument();
1096 event.Enable( (doc != (wxDocument*) NULL) );
1099 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1101 wxDocument *doc = GetCurrentDocument();
1103 event.Enable(false);
1104 else if (!doc->GetCommandProcessor())
1108 event.Enable( doc->GetCommandProcessor()->CanUndo() );
1109 doc->GetCommandProcessor()->SetMenuStrings();
1113 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1115 wxDocument *doc = GetCurrentDocument();
1117 event.Enable(false);
1118 else if (!doc->GetCommandProcessor())
1122 event.Enable( doc->GetCommandProcessor()->CanRedo() );
1123 doc->GetCommandProcessor()->SetMenuStrings();
1127 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
1129 wxDocument *doc = GetCurrentDocument();
1130 event.Enable( (doc != (wxDocument*) NULL) );
1133 void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
1135 wxDocument *doc = GetCurrentDocument();
1136 event.Enable( (doc != (wxDocument*) NULL) );
1139 wxView *wxDocManager::GetCurrentView() const
1142 return m_currentView;
1143 if (m_docs.GetCount() == 1)
1145 wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
1146 return doc->GetFirstView();
1148 return (wxView *) NULL;
1151 // Extend event processing to search the view's event table
1152 bool wxDocManager::ProcessEvent(wxEvent& event)
1154 wxView* view = GetCurrentView();
1157 if (view->ProcessEvent(event))
1160 return wxEvtHandler::ProcessEvent(event);
1163 wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
1165 wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
1168 for (size_t i = 0; i < m_templates.GetCount(); i++)
1170 wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1171 if (temp->IsVisible())
1173 templates[n] = temp;
1180 return (wxDocument *) NULL;
1183 wxDocument* docToClose = NULL;
1185 // If we've reached the max number of docs, close the
1187 if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1189 wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
1193 // New document: user chooses a template, unless there's only one.
1194 if (flags & wxDOC_NEW)
1200 if (!CloseDocument(docToClose, false))
1207 wxDocTemplate *temp = templates[0];
1209 wxDocument *newDoc = temp->CreateDocument(path, flags);
1213 newDoc->SetDocumentName(temp->GetDocumentName());
1214 newDoc->SetDocumentTemplate(temp);
1215 if (!newDoc->OnNewDocument() )
1217 // Document is implicitly deleted by DeleteAllViews
1218 newDoc->DeleteAllViews();
1225 wxDocTemplate *temp = SelectDocumentType(templates, n);
1231 if (!CloseDocument(docToClose, false))
1237 wxDocument *newDoc = temp->CreateDocument(path, flags);
1241 newDoc->SetDocumentName(temp->GetDocumentName());
1242 newDoc->SetDocumentTemplate(temp);
1243 if (!newDoc->OnNewDocument() )
1245 // Document is implicitly deleted by DeleteAllViews
1246 newDoc->DeleteAllViews();
1253 return (wxDocument *) NULL;
1256 // Existing document
1257 wxDocTemplate *temp;
1259 wxString path2 = path;
1261 if (flags & wxDOC_SILENT)
1263 temp = FindTemplateForPath(path2);
1266 // Since we do not add files with non-default extensions to the FileHistory this
1267 // can only happen if the application changes the allowed templates in runtime.
1268 (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1270 wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1274 temp = SelectDocumentPath(templates, n, path2, flags);
1282 if (!CloseDocument(docToClose, false))
1288 //see if this file is already open
1289 for (size_t i = 0; i < GetDocuments().GetCount(); ++i)
1291 wxDocument* currentDoc = (wxDocument*)(GetDocuments().Item(i)->GetData());
1293 //file paths are case-insensitive on Windows
1294 if (path2.CmpNoCase(currentDoc->GetFilename()) == 0)
1296 if (path2.Cmp(currentDoc->GetFilename()) == 0)
1299 //file already open. Just activate it and return
1300 if (currentDoc->GetFirstView())
1302 ActivateView(currentDoc->GetFirstView(), true);
1303 if (currentDoc->GetDocumentWindow())
1304 currentDoc->GetDocumentWindow()->SetFocus();
1310 wxDocument *newDoc = temp->CreateDocument(path2, flags);
1313 newDoc->SetDocumentName(temp->GetDocumentName());
1314 newDoc->SetDocumentTemplate(temp);
1315 if (!newDoc->OnOpenDocument(path2))
1317 newDoc->DeleteAllViews();
1318 // delete newDoc; // Implicitly deleted by DeleteAllViews
1319 return (wxDocument *) NULL;
1321 // A file that doesn't use the default extension of its document
1322 // template cannot be opened via the FileHistory, so we do not
1324 if (temp->FileMatchesTemplate(path2))
1325 AddFileToHistory(path2);
1330 return (wxDocument *) NULL;
1333 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1335 wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
1338 for (size_t i = 0; i < m_templates.GetCount(); i++)
1340 wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1341 if (temp->IsVisible())
1343 if (temp->GetDocumentName() == doc->GetDocumentName())
1345 templates[n] = temp;
1353 return (wxView *) NULL;
1357 wxDocTemplate *temp = templates[0];
1359 wxView *view = temp->CreateView(doc, flags);
1361 view->SetViewName(temp->GetViewName());
1365 wxDocTemplate *temp = SelectViewType(templates, n);
1369 wxView *view = temp->CreateView(doc, flags);
1371 view->SetViewName(temp->GetViewName());
1375 return (wxView *) NULL;
1378 // Not yet implemented
1379 void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1383 // Not yet implemented
1384 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1389 wxDocument *wxDocManager::GetCurrentDocument() const
1391 wxView *view = GetCurrentView();
1393 return view->GetDocument();
1395 return (wxDocument *) NULL;
1398 // Make a default document name
1399 bool wxDocManager::MakeDefaultName(wxString& name)
1401 name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1402 m_defaultDocumentNameCounter++;
1407 // Make a frame title (override this to do something different)
1408 // If docName is empty, a document is not currently active.
1409 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1411 wxString appName = wxTheApp->GetAppName();
1418 doc->GetPrintableName(docName);
1419 title = docName + wxString(_(" - ")) + appName;
1425 // Not yet implemented
1426 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1428 return (wxDocTemplate *) NULL;
1431 // File history management
1432 void wxDocManager::AddFileToHistory(const wxString& file)
1435 m_fileHistory->AddFileToHistory(file);
1438 void wxDocManager::RemoveFileFromHistory(size_t i)
1441 m_fileHistory->RemoveFileFromHistory(i);
1444 wxString wxDocManager::GetHistoryFile(size_t i) const
1449 histFile = m_fileHistory->GetHistoryFile(i);
1454 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1457 m_fileHistory->UseMenu(menu);
1460 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1463 m_fileHistory->RemoveMenu(menu);
1467 void wxDocManager::FileHistoryLoad(wxConfigBase& config)
1470 m_fileHistory->Load(config);
1473 void wxDocManager::FileHistorySave(wxConfigBase& config)
1476 m_fileHistory->Save(config);
1480 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1483 m_fileHistory->AddFilesToMenu(menu);
1486 void wxDocManager::FileHistoryAddFilesToMenu()
1489 m_fileHistory->AddFilesToMenu();
1492 size_t wxDocManager::GetHistoryFilesCount() const
1494 return m_fileHistory ? m_fileHistory->GetCount() : 0;
1498 // Find out the document template via matching in the document file format
1499 // against that of the template
1500 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1502 wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
1504 // Find the template which this extension corresponds to
1505 for (size_t i = 0; i < m_templates.GetCount(); i++)
1507 wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1508 if ( temp->FileMatchesTemplate(path) )
1517 // Try to get a more suitable parent frame than the top window,
1518 // for selection dialogs. Otherwise you may get an unexpected
1519 // window being activated when a dialog is shown.
1520 static wxWindow* wxFindSuitableParent()
1522 wxWindow* parent = wxTheApp->GetTopWindow();
1524 wxWindow* focusWindow = wxWindow::FindFocus();
1527 while (focusWindow &&
1528 !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
1529 !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
1531 focusWindow = focusWindow->GetParent();
1534 parent = focusWindow;
1539 // Prompts user to open a file, using file specs in templates.
1540 // Must extend the file selector dialog or implement own; OR
1541 // match the extension to the template extension.
1543 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1544 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1547 int WXUNUSED(noTemplates),
1550 long WXUNUSED(flags),
1551 bool WXUNUSED(save))
1553 // We can only have multiple filters in Windows and GTK
1554 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1558 for (i = 0; i < noTemplates; i++)
1560 if (templates[i]->IsVisible())
1562 // add a '|' to separate this filter from the previous one
1563 if ( !descrBuf.empty() )
1564 descrBuf << wxT('|');
1566 descrBuf << templates[i]->GetDescription()
1567 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1568 << templates[i]->GetFileFilter();
1572 wxString descrBuf = wxT("*.*");
1575 int FilterIndex = -1;
1577 wxWindow* parent = wxFindSuitableParent();
1579 wxString pathTmp = wxFileSelectorEx(_("Select a file"),
1587 wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
1588 if (!pathTmp.empty())
1590 if (!wxFileExists(pathTmp))
1593 if (!wxTheApp->GetAppName().empty())
1594 msgTitle = wxTheApp->GetAppName();
1596 msgTitle = wxString(_("File error"));
1598 (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
1601 path = wxEmptyString;
1602 return (wxDocTemplate *) NULL;
1604 m_lastDirectory = wxPathOnly(pathTmp);
1608 // first choose the template using the extension, if this fails (i.e.
1609 // wxFileSelectorEx() didn't fill it), then use the path
1610 if ( FilterIndex != -1 )
1611 theTemplate = templates[FilterIndex];
1613 theTemplate = FindTemplateForPath(path);
1616 // Since we do not add files with non-default extensions to the FileHistory this
1617 // can only happen if the application changes the allowed templates in runtime.
1618 (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1620 wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1625 path = wxEmptyString;
1631 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1632 int noTemplates, bool sort)
1634 wxArrayString strings;
1635 wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1639 for (i = 0; i < noTemplates; i++)
1641 if (templates[i]->IsVisible())
1645 for (j = 0; j < n; j++)
1647 //filter out NOT unique documents + view combinations
1648 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1649 templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1656 strings.Add(templates[i]->m_description);
1658 data[n] = templates[i];
1666 strings.Sort(); // ascending sort
1667 // Yes, this will be slow, but template lists
1668 // are typically short.
1670 n = strings.Count();
1671 for (i = 0; i < n; i++)
1673 for (j = 0; j < noTemplates; j++)
1675 if (strings[i] == templates[j]->m_description)
1676 data[i] = templates[j];
1681 wxDocTemplate *theTemplate;
1686 // no visible templates, hence nothing to choose from
1691 // don't propose the user to choose if he heas no choice
1692 theTemplate = data[0];
1696 // propose the user to choose one of several
1697 theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1699 _("Select a document template"),
1703 wxFindSuitableParent()
1712 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1713 int noTemplates, bool sort)
1715 wxArrayString strings;
1716 wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1720 for (i = 0; i < noTemplates; i++)
1722 wxDocTemplate *templ = templates[i];
1723 if ( templ->IsVisible() && !templ->GetViewName().empty() )
1727 for (j = 0; j < n; j++)
1729 //filter out NOT unique views
1730 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1736 strings.Add(templ->m_viewTypeName);
1745 strings.Sort(); // ascending sort
1746 // Yes, this will be slow, but template lists
1747 // are typically short.
1749 n = strings.Count();
1750 for (i = 0; i < n; i++)
1752 for (j = 0; j < noTemplates; j++)
1754 if (strings[i] == templates[j]->m_viewTypeName)
1755 data[i] = templates[j];
1760 wxDocTemplate *theTemplate;
1762 // the same logic as above
1766 theTemplate = (wxDocTemplate *)NULL;
1770 theTemplate = data[0];
1774 theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1776 _("Select a document view"),
1780 wxFindSuitableParent()
1789 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1791 if (!m_templates.Member(temp))
1792 m_templates.Append(temp);
1795 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1797 m_templates.DeleteObject(temp);
1800 // Add and remove a document from the manager's list
1801 void wxDocManager::AddDocument(wxDocument *doc)
1803 if (!m_docs.Member(doc))
1807 void wxDocManager::RemoveDocument(wxDocument *doc)
1809 m_docs.DeleteObject(doc);
1812 // Views or windows should inform the document manager
1813 // when a view is going in or out of focus
1814 void wxDocManager::ActivateView(wxView *view, bool activate)
1818 m_currentView = view;
1822 if ( m_currentView == view )
1824 // don't keep stale pointer
1825 m_currentView = (wxView *) NULL;
1830 // ----------------------------------------------------------------------------
1831 // Default document child frame
1832 // ----------------------------------------------------------------------------
1834 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1835 EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1836 EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1839 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1843 const wxString& title,
1847 const wxString& name)
1848 : wxFrame(frame, id, title, pos, size, style, name)
1850 m_childDocument = doc;
1853 view->SetFrame(this);
1856 // Extend event processing to search the view's event table
1857 bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1860 m_childView->Activate(true);
1862 if ( !m_childView || ! m_childView->ProcessEvent(event) )
1864 // Only hand up to the parent if it's a menu command
1865 if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1866 return wxEvtHandler::ProcessEvent(event);
1874 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1876 wxFrame::OnActivate(event);
1879 m_childView->Activate(event.GetActive());
1882 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1886 bool ans = event.CanVeto()
1887 ? m_childView->Close(false) // false means don't delete associated window
1888 : true; // Must delete.
1892 m_childView->Activate(false);
1894 m_childView = (wxView *) NULL;
1895 m_childDocument = (wxDocument *) NULL;
1906 // ----------------------------------------------------------------------------
1907 // Default parent frame
1908 // ----------------------------------------------------------------------------
1910 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1911 EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1912 EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1913 EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1916 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1919 const wxString& title,
1923 const wxString& name)
1924 : wxFrame(frame, id, title, pos, size, style, name)
1926 m_docManager = manager;
1929 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1934 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1936 int n = event.GetId() - wxID_FILE1; // the index in MRU list
1937 wxString filename(m_docManager->GetHistoryFile(n));
1938 if ( !filename.empty() )
1940 // verify that the file exists before doing anything else
1941 if ( wxFile::Exists(filename) )
1944 if (!m_docManager->CreateDocument(filename, wxDOC_SILENT))
1946 // remove the file from the MRU list. The user should already be notified.
1947 m_docManager->RemoveFileFromHistory(n);
1949 wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."),
1955 // remove the bogus filename from the MRU list and notify the user
1957 m_docManager->RemoveFileFromHistory(n);
1959 wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
1965 // Extend event processing to search the view's event table
1966 bool wxDocParentFrame::ProcessEvent(wxEvent& event)
1968 // Try the document manager, then do default processing
1969 if (!m_docManager || !m_docManager->ProcessEvent(event))
1970 return wxEvtHandler::ProcessEvent(event);
1975 // Define the behaviour for the frame closing
1976 // - must delete all frames except for the main one.
1977 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1979 if (m_docManager->Clear(!event.CanVeto()))
1987 #if wxUSE_PRINTING_ARCHITECTURE
1989 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1992 m_printoutView = view;
1995 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1999 // Get the logical pixels per inch of screen and printer
2000 int ppiScreenX, ppiScreenY;
2001 GetPPIScreen(&ppiScreenX, &ppiScreenY);
2002 wxUnusedVar(ppiScreenY);
2003 int ppiPrinterX, ppiPrinterY;
2004 GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
2005 wxUnusedVar(ppiPrinterY);
2007 // This scales the DC so that the printout roughly represents the
2008 // the screen scaling. The text point size _should_ be the right size
2009 // but in fact is too small for some reason. This is a detail that will
2010 // need to be addressed at some point but can be fudged for the
2012 float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
2014 // Now we have to check in case our real page size is reduced
2015 // (e.g. because we're drawing to a print preview memory DC)
2016 int pageWidth, pageHeight;
2018 dc->GetSize(&w, &h);
2019 GetPageSizePixels(&pageWidth, &pageHeight);
2020 wxUnusedVar(pageHeight);
2022 // If printer pageWidth == current DC width, then this doesn't
2023 // change. But w might be the preview bitmap width, so scale down.
2024 float overallScale = scale * (float)(w/(float)pageWidth);
2025 dc->SetUserScale(overallScale, overallScale);
2029 m_printoutView->OnDraw(dc);
2034 bool wxDocPrintout::HasPage(int pageNum)
2036 return (pageNum == 1);
2039 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
2041 if (!wxPrintout::OnBeginDocument(startPage, endPage))
2047 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
2055 #endif // wxUSE_PRINTING_ARCHITECTURE
2057 // ----------------------------------------------------------------------------
2058 // File history processor
2059 // ----------------------------------------------------------------------------
2061 static inline wxChar* MYcopystring(const wxString& s)
2063 wxChar* copy = new wxChar[s.length() + 1];
2064 return wxStrcpy(copy, s.c_str());
2067 static inline wxChar* MYcopystring(const wxChar* s)
2069 wxChar* copy = new wxChar[wxStrlen(s) + 1];
2070 return wxStrcpy(copy, s);
2073 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
2075 m_fileMaxFiles = maxFiles;
2078 m_fileHistory = new wxChar *[m_fileMaxFiles];
2081 wxFileHistory::~wxFileHistory()
2084 for (i = 0; i < m_fileHistoryN; i++)
2085 delete[] m_fileHistory[i];
2086 delete[] m_fileHistory;
2089 // File history management
2090 void wxFileHistory::AddFileToHistory(const wxString& file)
2094 // Check we don't already have this file
2095 for (i = 0; i < m_fileHistoryN; i++)
2097 #if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names
2098 wxString testString;
2099 if ( m_fileHistory[i] )
2100 testString = m_fileHistory[i];
2101 if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) )
2103 if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) )
2106 // we do have it, move it to the top of the history
2107 RemoveFileFromHistory (i);
2108 AddFileToHistory (file);
2113 // if we already have a full history, delete the one at the end
2114 if ( m_fileMaxFiles == m_fileHistoryN )
2116 RemoveFileFromHistory (m_fileHistoryN - 1);
2117 AddFileToHistory (file);
2121 // Add to the project file history:
2122 // Move existing files (if any) down so we can insert file at beginning.
2123 if (m_fileHistoryN < m_fileMaxFiles)
2125 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2128 wxMenu* menu = (wxMenu*) node->GetData();
2129 if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() )
2131 menu->AppendSeparator();
2133 menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]"));
2134 node = node->GetNext();
2138 // Shuffle filenames down
2139 for (i = (m_fileHistoryN-1); i > 0; i--)
2141 m_fileHistory[i] = m_fileHistory[i-1];
2143 m_fileHistory[0] = MYcopystring(file);
2145 // this is the directory of the last opened file
2146 wxString pathCurrent;
2147 wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
2148 for (i = 0; i < m_fileHistoryN; i++)
2150 if ( m_fileHistory[i] )
2152 // if in same directory just show the filename; otherwise the full
2154 wxString pathInMenu, path, filename, ext;
2155 wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
2156 if ( path == pathCurrent )
2158 pathInMenu = filename;
2160 pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
2164 // absolute path; could also set relative path
2165 pathInMenu = m_fileHistory[i];
2168 // we need to quote '&' characters which are used for mnemonics
2169 pathInMenu.Replace(_T("&"), _T("&&"));
2171 buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
2172 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2175 wxMenu* menu = (wxMenu*) node->GetData();
2176 menu->SetLabel(m_idBase + i, buf);
2177 node = node->GetNext();
2183 void wxFileHistory::RemoveFileFromHistory(size_t i)
2185 wxCHECK_RET( i < m_fileHistoryN,
2186 wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2188 // delete the element from the array (could use memmove() too...)
2189 delete [] m_fileHistory[i];
2192 for ( j = i; j < m_fileHistoryN - 1; j++ )
2194 m_fileHistory[j] = m_fileHistory[j + 1];
2197 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2200 wxMenu* menu = (wxMenu*) node->GetData();
2202 // shuffle filenames up
2204 for ( j = i; j < m_fileHistoryN - 1; j++ )
2206 buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2207 menu->SetLabel(m_idBase + j, buf);
2210 node = node->GetNext();
2212 // delete the last menu item which is unused now
2213 wxWindowID lastItemId = m_idBase + wx_truncate_cast(wxWindowID, m_fileHistoryN) - 1;
2214 if (menu->FindItem(lastItemId))
2216 menu->Delete(lastItemId);
2219 // delete the last separator too if no more files are left
2220 if ( m_fileHistoryN == 1 )
2222 wxMenuItemList::compatibility_iterator nodeLast = menu->GetMenuItems().GetLast();
2225 wxMenuItem *menuItem = nodeLast->GetData();
2226 if ( menuItem->IsSeparator() )
2228 menu->Delete(menuItem);
2230 //else: should we search backwards for the last separator?
2232 //else: menu is empty somehow
2239 wxString wxFileHistory::GetHistoryFile(size_t i) const
2242 if ( i < m_fileHistoryN )
2244 s = m_fileHistory[i];
2248 wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2254 void wxFileHistory::UseMenu(wxMenu *menu)
2256 if (!m_fileMenus.Member(menu))
2257 m_fileMenus.Append(menu);
2260 void wxFileHistory::RemoveMenu(wxMenu *menu)
2262 m_fileMenus.DeleteObject(menu);
2266 void wxFileHistory::Load(wxConfigBase& config)
2270 buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2271 wxString historyFile;
2272 while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (!historyFile.empty()))
2274 m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile);
2276 buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2277 historyFile = wxEmptyString;
2282 void wxFileHistory::Save(wxConfigBase& config)
2285 for (i = 0; i < m_fileMaxFiles; i++)
2288 buf.Printf(wxT("file%d"), (int)i+1);
2289 if (i < m_fileHistoryN)
2290 config.Write(buf, wxString(m_fileHistory[i]));
2292 config.Write(buf, wxEmptyString);
2295 #endif // wxUSE_CONFIG
2297 void wxFileHistory::AddFilesToMenu()
2299 if (m_fileHistoryN > 0)
2301 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2304 wxMenu* menu = (wxMenu*) node->GetData();
2305 if (menu->GetMenuItemCount())
2307 menu->AppendSeparator();
2311 for (i = 0; i < m_fileHistoryN; i++)
2313 if (m_fileHistory[i])
2316 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2317 menu->Append(m_idBase+i, buf);
2320 node = node->GetNext();
2325 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2327 if (m_fileHistoryN > 0)
2329 if (menu->GetMenuItemCount())
2331 menu->AppendSeparator();
2335 for (i = 0; i < m_fileHistoryN; i++)
2337 if (m_fileHistory[i])
2340 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2341 menu->Append(m_idBase+i, buf);
2347 // ----------------------------------------------------------------------------
2348 // Permits compatibility with existing file formats and functions that
2349 // manipulate files directly
2350 // ----------------------------------------------------------------------------
2352 #if wxUSE_STD_IOSTREAM
2354 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2356 wxFFile file(filename, _T("rb"));
2357 if ( !file.IsOpened() )
2365 nRead = file.Read(buf, WXSIZEOF(buf));
2369 stream.write(buf, nRead);
2373 while ( !file.Eof() );
2378 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2380 wxFFile file(filename, _T("wb"));
2381 if ( !file.IsOpened() )
2387 stream.read(buf, WXSIZEOF(buf));
2388 if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2390 if ( !file.Write(buf, stream.gcount()) )
2394 while ( !stream.eof() );
2399 #else // !wxUSE_STD_IOSTREAM
2401 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2403 wxFFile file(filename, _T("rb"));
2404 if ( !file.IsOpened() )
2412 nRead = file.Read(buf, WXSIZEOF(buf));
2416 stream.Write(buf, nRead);
2420 while ( !file.Eof() );
2425 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2427 wxFFile file(filename, _T("wb"));
2428 if ( !file.IsOpened() )
2434 stream.Read(buf, WXSIZEOF(buf));
2436 const size_t nRead = stream.LastRead();
2437 if ( !nRead || !file.Write(buf, nRead) )
2440 while ( !stream.Eof() );
2445 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2447 #endif // wxUSE_DOC_VIEW_ARCHITECTURE