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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/common/docview.cpp
3// Purpose: Document/view classes
4// Author: Julian Smart
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart and Markus Holzem
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "docview.h"
22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
28 #pragma hdrstop
29#endif
30
31#if wxUSE_DOC_VIEW_ARCHITECTURE
32
33#ifndef WX_PRECOMP
34 #include "wx/string.h"
35 #include "wx/utils.h"
36 #include "wx/app.h"
37 #include "wx/dc.h"
38 #include "wx/dialog.h"
39 #include "wx/menu.h"
40 #include "wx/list.h"
41 #include "wx/filedlg.h"
42 #include "wx/intl.h"
43#endif
44
45
46#ifdef __WXGTK__
47 #include "wx/mdi.h"
48#endif
49
50#if wxUSE_PRINTING_ARCHITECTURE
51 #include "wx/prntbase.h"
52 #include "wx/printdlg.h"
53#endif
54
55#include "wx/msgdlg.h"
56#include "wx/choicdlg.h"
57#include "wx/docview.h"
58#include "wx/confbase.h"
59#include "wx/file.h"
60#include "wx/cmdproc.h"
61
62#include <stdio.h>
63#include <string.h>
64
65#if wxUSE_STD_IOSTREAM
66 #include "wx/ioswrap.h"
67 #if wxUSE_IOSTREAMH
68 #include <fstream.h>
69 #else
70 #include <fstream>
71 #endif
72#else
73 #include "wx/wfstream.h"
74#endif
75
76// ----------------------------------------------------------------------------
77// wxWindows macros
78// ----------------------------------------------------------------------------
79
80IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
81IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
82IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
83IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
84IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
85IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
86
87#if wxUSE_PRINTING_ARCHITECTURE
88 IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
89#endif
90
91IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
92
93// ----------------------------------------------------------------------------
94// function prototypes
95// ----------------------------------------------------------------------------
96
97static inline wxString FindExtension(const wxChar *path);
98
99// ----------------------------------------------------------------------------
100// local constants
101// ----------------------------------------------------------------------------
102
103static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
104
105// ============================================================================
106// implementation
107// ============================================================================
108
109// ----------------------------------------------------------------------------
110// local functions
111// ----------------------------------------------------------------------------
112
113static wxString FindExtension(const wxChar *path)
114{
115 wxString ext;
116 wxSplitPath(path, NULL, NULL, &ext);
117
118 // VZ: extensions are considered not case sensitive - is this really a good
119 // idea?
120 return ext.MakeLower();
121}
122
123// ----------------------------------------------------------------------------
124// Definition of wxDocument
125// ----------------------------------------------------------------------------
126
127wxDocument::wxDocument(wxDocument *parent)
128{
129 m_documentModified = FALSE;
130 m_documentParent = parent;
131 m_documentTemplate = (wxDocTemplate *) NULL;
132 m_commandProcessor = (wxCommandProcessor*) NULL;
133 m_savedYet = FALSE;
134}
135
136bool wxDocument::DeleteContents()
137{
138 return TRUE;
139}
140
141wxDocument::~wxDocument()
142{
143 DeleteContents();
144
145 if (m_commandProcessor)
146 delete m_commandProcessor;
147
148 if (GetDocumentManager())
149 GetDocumentManager()->RemoveDocument(this);
150
151 // Not safe to do here, since it'll invoke virtual view functions
152 // expecting to see valid derived objects: and by the time we get here,
153 // we've called destructors higher up.
154 //DeleteAllViews();
155}
156
157bool wxDocument::Close()
158{
159 if (OnSaveModified())
160 return OnCloseDocument();
161 else
162 return FALSE;
163}
164
165bool wxDocument::OnCloseDocument()
166{
167 DeleteContents();
168 Modify(FALSE);
169 return TRUE;
170}
171
172// Note that this implicitly deletes the document when the last view is
173// deleted.
174bool wxDocument::DeleteAllViews()
175{
176 wxDocManager* manager = GetDocumentManager();
177
178 wxNode *node = m_documentViews.First();
179 while (node)
180 {
181 wxView *view = (wxView *)node->Data();
182 if (!view->Close())
183 return FALSE;
184
185 wxNode *next = node->Next();
186
187 delete view; // Deletes node implicitly
188 node = next;
189 }
190 // If we haven't yet deleted the document (for example
191 // if there were no views) then delete it.
192 if (manager && manager->GetDocuments().Member(this))
193 delete this;
194
195 return TRUE;
196}
197
198wxView *wxDocument::GetFirstView() const
199{
200 if (m_documentViews.Number() == 0)
201 return (wxView *) NULL;
202 return (wxView *)m_documentViews.First()->Data();
203}
204
205wxDocManager *wxDocument::GetDocumentManager() const
206{
207 return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
208}
209
210bool wxDocument::OnNewDocument()
211{
212 if (!OnSaveModified())
213 return FALSE;
214
215 if (OnCloseDocument()==FALSE) return FALSE;
216 DeleteContents();
217 Modify(FALSE);
218 SetDocumentSaved(FALSE);
219
220 wxString name;
221 GetDocumentManager()->MakeDefaultName(name);
222 SetTitle(name);
223 SetFilename(name, TRUE);
224
225 return TRUE;
226}
227
228bool wxDocument::Save()
229{
230 if (!IsModified() && m_savedYet)
231 return TRUE;
232
233 if ( m_documentFile.empty() || !m_savedYet )
234 return SaveAs();
235
236 return OnSaveDocument(m_documentFile);
237}
238
239bool wxDocument::SaveAs()
240{
241 wxDocTemplate *docTemplate = GetDocumentTemplate();
242 if (!docTemplate)
243 return FALSE;
244
245 wxString tmp = wxFileSelector(_("Save as"),
246 docTemplate->GetDirectory(),
247 wxFileNameFromPath(GetFilename()),
248 docTemplate->GetDefaultExtension(),
249 docTemplate->GetFileFilter(),
250 wxSAVE | wxOVERWRITE_PROMPT,
251 GetDocumentWindow());
252
253 if (tmp.IsEmpty())
254 return FALSE;
255
256 wxString fileName(tmp);
257 wxString path, name, ext;
258 wxSplitPath(fileName, & path, & name, & ext);
259
260 if (ext.IsEmpty() || ext == wxT(""))
261 {
262 fileName += ".";
263 fileName += docTemplate->GetDefaultExtension();
264 }
265
266 SetFilename(fileName);
267 SetTitle(wxFileNameFromPath(fileName));
268
269 GetDocumentManager()->AddFileToHistory(fileName);
270
271 // Notify the views that the filename has changed
272 wxNode *node = m_documentViews.First();
273 while (node)
274 {
275 wxView *view = (wxView *)node->Data();
276 view->OnChangeFilename();
277 node = node->Next();
278 }
279
280 return OnSaveDocument(m_documentFile);
281}
282
283bool wxDocument::OnSaveDocument(const wxString& file)
284{
285 if ( !file )
286 return FALSE;
287
288 wxString msgTitle;
289 if (wxTheApp->GetAppName() != wxT(""))
290 msgTitle = wxTheApp->GetAppName();
291 else
292 msgTitle = wxString(_("File error"));
293
294#if wxUSE_STD_IOSTREAM
295 wxSTD ofstream store(wxString(file.fn_str()).mb_str());
296 if (store.fail() || store.bad())
297#else
298 wxFileOutputStream store(wxString(file.fn_str()));
299 if (store.LastError() != wxSTREAM_NOERROR)
300#endif
301 {
302 (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
303 GetDocumentWindow());
304 // Saving error
305 return FALSE;
306 }
307 if (!SaveObject(store))
308 {
309 (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
310 GetDocumentWindow());
311 // Saving error
312 return FALSE;
313 }
314 Modify(FALSE);
315 SetFilename(file);
316 SetDocumentSaved(TRUE);
317 return TRUE;
318}
319
320bool wxDocument::OnOpenDocument(const wxString& file)
321{
322 if (!OnSaveModified())
323 return FALSE;
324
325 wxString msgTitle;
326 if (wxTheApp->GetAppName() != wxT(""))
327 msgTitle = wxTheApp->GetAppName();
328 else
329 msgTitle = wxString(_("File error"));
330
331#if wxUSE_STD_IOSTREAM
332 wxSTD ifstream store(wxString(file.fn_str()).mb_str());
333 if (store.fail() || store.bad())
334#else
335 wxFileInputStream store(wxString(file.fn_str()));
336 if (store.LastError() != wxSTREAM_NOERROR)
337#endif
338 {
339 (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
340 GetDocumentWindow());
341 return FALSE;
342 }
343#if wxUSE_STD_IOSTREAM
344 LoadObject(store);
345 if ( !store && !store.eof() )
346#else
347 int res = LoadObject(store).LastError();
348 if ((res != wxSTREAM_NOERROR) &&
349 (res != wxSTREAM_EOF))
350#endif
351 {
352 (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
353 GetDocumentWindow());
354 return FALSE;
355 }
356 SetFilename(file, TRUE);
357 Modify(FALSE);
358 m_savedYet = TRUE;
359
360 UpdateAllViews();
361
362 return TRUE;
363}
364
365#if wxUSE_STD_IOSTREAM
366wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
367#else
368wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
369#endif
370{
371 return stream;
372}
373
374#if wxUSE_STD_IOSTREAM
375wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
376#else
377wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
378#endif
379{
380 return stream;
381}
382
383bool wxDocument::Revert()
384{
385 return FALSE;
386}
387
388
389// Get title, or filename if no title, else unnamed
390bool wxDocument::GetPrintableName(wxString& buf) const
391{
392 if (m_documentTitle != wxT(""))
393 {
394 buf = m_documentTitle;
395 return TRUE;
396 }
397 else if (m_documentFile != wxT(""))
398 {
399 buf = wxFileNameFromPath(m_documentFile);
400 return TRUE;
401 }
402 else
403 {
404 buf = _("unnamed");
405 return TRUE;
406 }
407}
408
409wxWindow *wxDocument::GetDocumentWindow() const
410{
411 wxView *view = GetFirstView();
412 if (view)
413 return view->GetFrame();
414 else
415 return wxTheApp->GetTopWindow();
416}
417
418wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
419{
420 return new wxCommandProcessor;
421}
422
423// TRUE if safe to close
424bool wxDocument::OnSaveModified()
425{
426 if (IsModified())
427 {
428 wxString title;
429 GetPrintableName(title);
430
431 wxString msgTitle;
432 if (wxTheApp->GetAppName() != wxT(""))
433 msgTitle = wxTheApp->GetAppName();
434 else
435 msgTitle = wxString(_("Warning"));
436
437 wxString prompt;
438 prompt.Printf(_("Do you want to save changes to document %s?"),
439 (const wxChar *)title);
440 int res = wxMessageBox(prompt, msgTitle,
441 wxYES_NO|wxCANCEL|wxICON_QUESTION,
442 GetDocumentWindow());
443 if (res == wxNO)
444 {
445 Modify(FALSE);
446 return TRUE;
447 }
448 else if (res == wxYES)
449 return Save();
450 else if (res == wxCANCEL)
451 return FALSE;
452 }
453 return TRUE;
454}
455
456bool wxDocument::Draw(wxDC& WXUNUSED(context))
457{
458 return TRUE;
459}
460
461bool wxDocument::AddView(wxView *view)
462{
463 if (!m_documentViews.Member(view))
464 {
465 m_documentViews.Append(view);
466 OnChangedViewList();
467 }
468 return TRUE;
469}
470
471bool wxDocument::RemoveView(wxView *view)
472{
473 (void)m_documentViews.DeleteObject(view);
474 OnChangedViewList();
475 return TRUE;
476}
477
478bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
479{
480 if (GetDocumentTemplate()->CreateView(this, flags))
481 return TRUE;
482 else
483 return FALSE;
484}
485
486// Called after a view is added or removed.
487// The default implementation deletes the document if
488// there are no more views.
489void wxDocument::OnChangedViewList()
490{
491 if (m_documentViews.Number() == 0)
492 {
493 if (OnSaveModified())
494 {
495 delete this;
496 }
497 }
498}
499
500void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
501{
502 wxNode *node = m_documentViews.First();
503 while (node)
504 {
505 wxView *view = (wxView *)node->Data();
506 view->OnUpdate(sender, hint);
507 node = node->Next();
508 }
509}
510
511void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
512{
513 m_documentFile = filename;
514 if ( notifyViews )
515 {
516 // Notify the views that the filename has changed
517 wxNode *node = m_documentViews.First();
518 while (node)
519 {
520 wxView *view = (wxView *)node->Data();
521 view->OnChangeFilename();
522 node = node->Next();
523 }
524 }
525}
526
527// ----------------------------------------------------------------------------
528// Document view
529// ----------------------------------------------------------------------------
530
531wxView::wxView()
532{
533 // SetDocument(doc);
534 m_viewDocument = (wxDocument*) NULL;
535
536 m_viewTypeName = wxT("");
537 m_viewFrame = (wxFrame *) NULL;
538}
539
540wxView::~wxView()
541{
542// GetDocumentManager()->ActivateView(this, FALSE, TRUE);
543 m_viewDocument->RemoveView(this);
544}
545
546// Extend event processing to search the document's event table
547bool wxView::ProcessEvent(wxEvent& event)
548{
549 if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
550 return wxEvtHandler::ProcessEvent(event);
551 else
552 return TRUE;
553}
554
555void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
556{
557}
558
559void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
560{
561 OnDraw(dc);
562}
563
564void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
565{
566}
567
568void wxView::OnChangeFilename()
569{
570 if (GetFrame() && GetDocument())
571 {
572 wxString title;
573
574 GetDocument()->GetPrintableName(title);
575
576 GetFrame()->SetTitle(title);
577 }
578}
579
580void wxView::SetDocument(wxDocument *doc)
581{
582 m_viewDocument = doc;
583 if (doc)
584 doc->AddView(this);
585}
586
587bool wxView::Close(bool deleteWindow)
588{
589 if (OnClose(deleteWindow))
590 return TRUE;
591 else
592 return FALSE;
593}
594
595void wxView::Activate(bool activate)
596{
597 if (GetDocument() && GetDocumentManager())
598 {
599 OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
600 GetDocumentManager()->ActivateView(this, activate);
601 }
602}
603
604bool wxView::OnClose(bool WXUNUSED(deleteWindow))
605{
606 return GetDocument() ? GetDocument()->Close() : TRUE;
607}
608
609#if wxUSE_PRINTING_ARCHITECTURE
610wxPrintout *wxView::OnCreatePrintout()
611{
612 return new wxDocPrintout(this);
613}
614#endif // wxUSE_PRINTING_ARCHITECTURE
615
616// ----------------------------------------------------------------------------
617// wxDocTemplate
618// ----------------------------------------------------------------------------
619
620wxDocTemplate::wxDocTemplate(wxDocManager *manager,
621 const wxString& descr,
622 const wxString& filter,
623 const wxString& dir,
624 const wxString& ext,
625 const wxString& docTypeName,
626 const wxString& viewTypeName,
627 wxClassInfo *docClassInfo,
628 wxClassInfo *viewClassInfo,
629 long flags)
630{
631 m_documentManager = manager;
632 m_description = descr;
633 m_directory = dir;
634 m_defaultExt = ext;
635 m_fileFilter = filter;
636 m_flags = flags;
637 m_docTypeName = docTypeName;
638 m_viewTypeName = viewTypeName;
639 m_documentManager->AssociateTemplate(this);
640
641 m_docClassInfo = docClassInfo;
642 m_viewClassInfo = viewClassInfo;
643}
644
645wxDocTemplate::~wxDocTemplate()
646{
647 m_documentManager->DisassociateTemplate(this);
648}
649
650// Tries to dynamically construct an object of the right class.
651wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
652{
653 if (!m_docClassInfo)
654 return (wxDocument *) NULL;
655 wxDocument *doc = (wxDocument *)m_docClassInfo->CreateObject();
656 doc->SetFilename(path);
657 doc->SetDocumentTemplate(this);
658 GetDocumentManager()->AddDocument(doc);
659 doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
660
661 if (doc->OnCreate(path, flags))
662 return doc;
663 else
664 {
665 if (GetDocumentManager()->GetDocuments().Member(doc))
666 doc->DeleteAllViews();
667 return (wxDocument *) NULL;
668 }
669}
670
671wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
672{
673 if (!m_viewClassInfo)
674 return (wxView *) NULL;
675 wxView *view = (wxView *)m_viewClassInfo->CreateObject();
676 view->SetDocument(doc);
677 if (view->OnCreate(doc, flags))
678 {
679 return view;
680 }
681 else
682 {
683 delete view;
684 return (wxView *) NULL;
685 }
686}
687
688// The default (very primitive) format detection: check is the extension is
689// that of the template
690bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
691{
692 return GetDefaultExtension().IsSameAs(FindExtension(path));
693}
694
695// ----------------------------------------------------------------------------
696// wxDocManager
697// ----------------------------------------------------------------------------
698
699BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
700 EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
701 EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
702 EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
703 EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
704 EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
705 EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
706 EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
707 EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
708 EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
709
710 EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
711 EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
712 EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose)
713 EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
714 EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
715 EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
716 EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
717 EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
718 EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
719
720#if wxUSE_PRINTING_ARCHITECTURE
721 EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
722 EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPrintSetup)
723 EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
724
725 EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
726 EVT_UPDATE_UI(wxID_PRINT_SETUP, wxDocManager::OnUpdatePrintSetup)
727 EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
728#endif
729END_EVENT_TABLE()
730
731wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
732
733wxDocManager::wxDocManager(long flags, bool initialize)
734{
735 m_defaultDocumentNameCounter = 1;
736 m_flags = flags;
737 m_currentView = (wxView *) NULL;
738 m_maxDocsOpen = 10000;
739 m_fileHistory = (wxFileHistory *) NULL;
740 if (initialize)
741 Initialize();
742 sm_docManager = this;
743}
744
745wxDocManager::~wxDocManager()
746{
747 Clear();
748 if (m_fileHistory)
749 delete m_fileHistory;
750 sm_docManager = (wxDocManager*) NULL;
751}
752
753bool wxDocManager::CloseDocuments(bool force)
754{
755 wxNode *node = m_docs.First();
756 while (node)
757 {
758 wxDocument *doc = (wxDocument *)node->Data();
759 wxNode *next = node->Next();
760
761 if (!doc->Close() && !force)
762 return FALSE;
763
764 // Implicitly deletes the document when the last
765 // view is removed (deleted)
766 doc->DeleteAllViews();
767
768 // Check document is deleted
769 if (m_docs.Member(doc))
770 delete doc;
771
772 // This assumes that documents are not connected in
773 // any way, i.e. deleting one document does NOT
774 // delete another.
775 node = next;
776 }
777 return TRUE;
778}
779
780bool wxDocManager::Clear(bool force)
781{
782 if (!CloseDocuments(force))
783 return FALSE;
784
785 wxNode *node = m_templates.First();
786 while (node)
787 {
788 wxDocTemplate *templ = (wxDocTemplate*) node->Data();
789 wxNode* next = node->Next();
790 delete templ;
791 node = next;
792 }
793 return TRUE;
794}
795
796bool wxDocManager::Initialize()
797{
798 m_fileHistory = OnCreateFileHistory();
799 return TRUE;
800}
801
802wxFileHistory *wxDocManager::OnCreateFileHistory()
803{
804 return new wxFileHistory;
805}
806
807void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
808{
809 wxDocument *doc = GetCurrentDocument();
810 if (!doc)
811 return;
812 if (doc->Close())
813 {
814 doc->DeleteAllViews();
815 if (m_docs.Member(doc))
816 delete doc;
817 }
818}
819
820void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
821{
822 CloseDocuments(FALSE);
823}
824
825void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
826{
827 CreateDocument(wxString(""), wxDOC_NEW);
828}
829
830void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
831{
832 if ( !CreateDocument(wxString(""), 0) )
833 {
834 OnOpenFileFailure();
835 }
836}
837
838void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
839{
840 wxDocument *doc = GetCurrentDocument();
841 if (!doc)
842 return;
843 doc->Revert();
844}
845
846void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
847{
848 wxDocument *doc = GetCurrentDocument();
849 if (!doc)
850 return;
851 doc->Save();
852}
853
854void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
855{
856 wxDocument *doc = GetCurrentDocument();
857 if (!doc)
858 return;
859 doc->SaveAs();
860}
861
862void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
863{
864#if wxUSE_PRINTING_ARCHITECTURE
865 wxView *view = GetCurrentView();
866 if (!view)
867 return;
868
869 wxPrintout *printout = view->OnCreatePrintout();
870 if (printout)
871 {
872 wxPrinter printer;
873 printer.Print(view->GetFrame(), printout, TRUE);
874
875 delete printout;
876 }
877#endif // wxUSE_PRINTING_ARCHITECTURE
878}
879
880void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
881{
882#if wxUSE_PRINTING_ARCHITECTURE
883 wxWindow *parentWin = wxTheApp->GetTopWindow();
884 wxView *view = GetCurrentView();
885 if (view)
886 parentWin = view->GetFrame();
887
888 wxPrintDialogData data;
889
890 wxPrintDialog printerDialog(parentWin, &data);
891 printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
892 printerDialog.ShowModal();
893#endif // wxUSE_PRINTING_ARCHITECTURE
894}
895
896void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
897{
898#if wxUSE_PRINTING_ARCHITECTURE
899 wxView *view = GetCurrentView();
900 if (!view)
901 return;
902
903 wxPrintout *printout = view->OnCreatePrintout();
904 if (printout)
905 {
906 // Pass two printout objects: for preview, and possible printing.
907 wxPrintPreviewBase *preview = (wxPrintPreviewBase *) NULL;
908 preview = new wxPrintPreview(printout, view->OnCreatePrintout());
909
910 wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
911 wxPoint(100, 100), wxSize(600, 650));
912 frame->Centre(wxBOTH);
913 frame->Initialize();
914 frame->Show(TRUE);
915 }
916#endif // wxUSE_PRINTING_ARCHITECTURE
917}
918
919void wxDocManager::OnUndo(wxCommandEvent& WXUNUSED(event))
920{
921 wxDocument *doc = GetCurrentDocument();
922 if (!doc)
923 return;
924 if (doc->GetCommandProcessor())
925 doc->GetCommandProcessor()->Undo();
926}
927
928void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event))
929{
930 wxDocument *doc = GetCurrentDocument();
931 if (!doc)
932 return;
933 if (doc->GetCommandProcessor())
934 doc->GetCommandProcessor()->Redo();
935}
936
937// Handlers for UI update commands
938
939void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
940{
941 event.Enable( TRUE );
942}
943
944void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
945{
946 wxDocument *doc = GetCurrentDocument();
947 event.Enable( (doc != (wxDocument*) NULL) );
948}
949
950void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
951{
952 wxDocument *doc = GetCurrentDocument();
953 event.Enable( (doc != (wxDocument*) NULL) );
954}
955
956void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
957{
958 event.Enable( TRUE );
959}
960
961void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
962{
963 wxDocument *doc = GetCurrentDocument();
964 event.Enable( doc && doc->IsModified() );
965}
966
967void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
968{
969 wxDocument *doc = GetCurrentDocument();
970 event.Enable( (doc != (wxDocument*) NULL) );
971}
972
973void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
974{
975 wxDocument *doc = GetCurrentDocument();
976 event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanUndo()) );
977 if (doc && doc->GetCommandProcessor())
978 doc->GetCommandProcessor()->SetMenuStrings();
979}
980
981void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
982{
983 wxDocument *doc = GetCurrentDocument();
984 event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanRedo()) );
985 if (doc && doc->GetCommandProcessor())
986 doc->GetCommandProcessor()->SetMenuStrings();
987}
988
989void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
990{
991 wxDocument *doc = GetCurrentDocument();
992 event.Enable( (doc != (wxDocument*) NULL) );
993}
994
995void wxDocManager::OnUpdatePrintSetup(wxUpdateUIEvent& event)
996{
997 event.Enable( TRUE );
998}
999
1000void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
1001{
1002 wxDocument *doc = GetCurrentDocument();
1003 event.Enable( (doc != (wxDocument*) NULL) );
1004}
1005
1006wxView *wxDocManager::GetCurrentView() const
1007{
1008 if (m_currentView)
1009 return m_currentView;
1010 if (m_docs.Number() == 1)
1011 {
1012 wxDocument* doc = (wxDocument*) m_docs.First()->Data();
1013 return doc->GetFirstView();
1014 }
1015 return (wxView *) NULL;
1016}
1017
1018// Extend event processing to search the view's event table
1019bool wxDocManager::ProcessEvent(wxEvent& event)
1020{
1021 wxView* view = GetCurrentView();
1022 if (view)
1023 {
1024 if (view->ProcessEvent(event))
1025 return TRUE;
1026 }
1027 return wxEvtHandler::ProcessEvent(event);
1028}
1029
1030wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
1031{
1032 wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()];
1033 int i;
1034 int n = 0;
1035 for (i = 0; i < m_templates.Number(); i++)
1036 {
1037 wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data());
1038 if (temp->IsVisible())
1039 {
1040 templates[n] = temp;
1041 n ++;
1042 }
1043 }
1044 if (n == 0)
1045 {
1046 delete[] templates;
1047 return (wxDocument *) NULL;
1048 }
1049
1050 // If we've reached the max number of docs, close the
1051 // first one.
1052 if (GetDocuments().Number() >= m_maxDocsOpen)
1053 {
1054 wxDocument *doc = (wxDocument *)GetDocuments().First()->Data();
1055 if (doc->Close())
1056 {
1057 // Implicitly deletes the document when
1058 // the last view is deleted
1059 doc->DeleteAllViews();
1060
1061 // Check we're really deleted
1062 if (m_docs.Member(doc))
1063 delete doc;
1064 }
1065 else
1066 {
1067 delete[] templates;
1068 return (wxDocument *) NULL;
1069 }
1070 }
1071
1072 // New document: user chooses a template, unless there's only one.
1073 if (flags & wxDOC_NEW)
1074 {
1075 if (n == 1)
1076 {
1077 wxDocTemplate *temp = templates[0];
1078 delete[] templates;
1079 wxDocument *newDoc = temp->CreateDocument(path, flags);
1080 if (newDoc)
1081 {
1082 newDoc->SetDocumentName(temp->GetDocumentName());
1083 newDoc->SetDocumentTemplate(temp);
1084 newDoc->OnNewDocument();
1085 }
1086 return newDoc;
1087 }
1088
1089 wxDocTemplate *temp = SelectDocumentType(templates, n);
1090 delete[] templates;
1091 if (temp)
1092 {
1093 wxDocument *newDoc = temp->CreateDocument(path, flags);
1094 if (newDoc)
1095 {
1096 newDoc->SetDocumentName(temp->GetDocumentName());
1097 newDoc->SetDocumentTemplate(temp);
1098 newDoc->OnNewDocument();
1099 }
1100 return newDoc;
1101 }
1102 else
1103 return (wxDocument *) NULL;
1104 }
1105
1106 // Existing document
1107 wxDocTemplate *temp = (wxDocTemplate *) NULL;
1108
1109 wxString path2(wxT(""));
1110 if (path != wxT(""))
1111 path2 = path;
1112
1113 if (flags & wxDOC_SILENT)
1114 temp = FindTemplateForPath(path2);
1115 else
1116 temp = SelectDocumentPath(templates, n, path2, flags);
1117
1118 delete[] templates;
1119
1120 if (temp)
1121 {
1122 wxDocument *newDoc = temp->CreateDocument(path2, flags);
1123 if (newDoc)
1124 {
1125 newDoc->SetDocumentName(temp->GetDocumentName());
1126 newDoc->SetDocumentTemplate(temp);
1127 if (!newDoc->OnOpenDocument(path2))
1128 {
1129 newDoc->DeleteAllViews();
1130 // delete newDoc; // Implicitly deleted by DeleteAllViews
1131 return (wxDocument *) NULL;
1132 }
1133 AddFileToHistory(path2);
1134 }
1135 return newDoc;
1136 }
1137
1138 return (wxDocument *) NULL;
1139}
1140
1141wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1142{
1143 wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()];
1144 int n =0;
1145 int i;
1146 for (i = 0; i < m_templates.Number(); i++)
1147 {
1148 wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data());
1149 if (temp->IsVisible())
1150 {
1151 if (temp->GetDocumentName() == doc->GetDocumentName())
1152 {
1153 templates[n] = temp;
1154 n ++;
1155 }
1156 }
1157 }
1158 if (n == 0)
1159 {
1160 delete[] templates;
1161 return (wxView *) NULL;
1162 }
1163 if (n == 1)
1164 {
1165 wxDocTemplate *temp = templates[0];
1166 delete[] templates;
1167 wxView *view = temp->CreateView(doc, flags);
1168 if (view)
1169 view->SetViewName(temp->GetViewName());
1170 return view;
1171 }
1172
1173 wxDocTemplate *temp = SelectViewType(templates, n);
1174 delete[] templates;
1175 if (temp)
1176 {
1177 wxView *view = temp->CreateView(doc, flags);
1178 if (view)
1179 view->SetViewName(temp->GetViewName());
1180 return view;
1181 }
1182 else
1183 return (wxView *) NULL;
1184}
1185
1186// Not yet implemented
1187void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1188{
1189}
1190
1191// Not yet implemented
1192bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1193{
1194 return FALSE;
1195}
1196
1197wxDocument *wxDocManager::GetCurrentDocument() const
1198{
1199 wxView *view = GetCurrentView();
1200 if (view)
1201 return view->GetDocument();
1202 else
1203 return (wxDocument *) NULL;
1204}
1205
1206// Make a default document name
1207bool wxDocManager::MakeDefaultName(wxString& name)
1208{
1209 name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1210 m_defaultDocumentNameCounter++;
1211
1212 return TRUE;
1213}
1214
1215// Make a frame title (override this to do something different)
1216// If docName is empty, a document is not currently active.
1217wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1218{
1219 wxString appName = wxTheApp->GetAppName();
1220 wxString title;
1221 if (!doc)
1222 title = appName;
1223 else
1224 {
1225 wxString docName;
1226 doc->GetPrintableName(docName);
1227 title = docName + wxString(_(" - ")) + appName;
1228 }
1229 return title;
1230}
1231
1232
1233// Not yet implemented
1234wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1235{
1236 return (wxDocTemplate *) NULL;
1237}
1238
1239// File history management
1240void wxDocManager::AddFileToHistory(const wxString& file)
1241{
1242 if (m_fileHistory)
1243 m_fileHistory->AddFileToHistory(file);
1244}
1245
1246void wxDocManager::RemoveFileFromHistory(int i)
1247{
1248 if (m_fileHistory)
1249 m_fileHistory->RemoveFileFromHistory(i);
1250}
1251
1252wxString wxDocManager::GetHistoryFile(int i) const
1253{
1254 wxString histFile;
1255
1256 if (m_fileHistory)
1257 histFile = m_fileHistory->GetHistoryFile(i);
1258
1259 return histFile;
1260}
1261
1262void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1263{
1264 if (m_fileHistory)
1265 m_fileHistory->UseMenu(menu);
1266}
1267
1268void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1269{
1270 if (m_fileHistory)
1271 m_fileHistory->RemoveMenu(menu);
1272}
1273
1274#if wxUSE_CONFIG
1275void wxDocManager::FileHistoryLoad(wxConfigBase& config)
1276{
1277 if (m_fileHistory)
1278 m_fileHistory->Load(config);
1279}
1280
1281void wxDocManager::FileHistorySave(wxConfigBase& config)
1282{
1283 if (m_fileHistory)
1284 m_fileHistory->Save(config);
1285}
1286#endif
1287
1288void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1289{
1290 if (m_fileHistory)
1291 m_fileHistory->AddFilesToMenu(menu);
1292}
1293
1294void wxDocManager::FileHistoryAddFilesToMenu()
1295{
1296 if (m_fileHistory)
1297 m_fileHistory->AddFilesToMenu();
1298}
1299
1300int wxDocManager::GetNoHistoryFiles() const
1301{
1302 if (m_fileHistory)
1303 return m_fileHistory->GetNoHistoryFiles();
1304 else
1305 return 0;
1306}
1307
1308
1309// Find out the document template via matching in the document file format
1310// against that of the template
1311wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1312{
1313 wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
1314
1315 // Find the template which this extension corresponds to
1316 int i;
1317 for (i = 0; i < m_templates.Number(); i++)
1318 {
1319 wxDocTemplate *temp = (wxDocTemplate *)m_templates.Nth(i)->Data();
1320 if ( temp->FileMatchesTemplate(path) )
1321 {
1322 theTemplate = temp;
1323 break;
1324 }
1325 }
1326 return theTemplate;
1327}
1328
1329// Try to get a more suitable parent frame than the top window,
1330// for selection dialogs. Otherwise you may get an unexpected
1331// window being activated when a dialog is shown.
1332static wxWindow* wxFindSuitableParent()
1333{
1334 wxWindow* parent = wxTheApp->GetTopWindow();
1335
1336 wxWindow* focusWindow = wxWindow::FindFocus();
1337 if (focusWindow)
1338 {
1339 while (focusWindow &&
1340 !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
1341 !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
1342
1343 focusWindow = focusWindow->GetParent();
1344
1345 if (focusWindow)
1346 parent = focusWindow;
1347 }
1348 return parent;
1349}
1350
1351// Prompts user to open a file, using file specs in templates.
1352// How to implement in wxWindows? Must extend the file selector
1353// dialog or implement own; OR match the extension to the
1354// template extension.
1355
1356wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1357#if defined(__WXMSW__) || defined(__WXGTK__)
1358 int noTemplates,
1359#else
1360 int WXUNUSED(noTemplates),
1361#endif
1362 wxString& path,
1363 long WXUNUSED(flags),
1364 bool WXUNUSED(save))
1365{
1366 // We can only have multiple filters in Windows and GTK
1367#if defined(__WXMSW__) || defined(__WXGTK__)
1368 wxString descrBuf;
1369
1370 int i;
1371 for (i = 0; i < noTemplates; i++)
1372 {
1373 if (templates[i]->IsVisible())
1374 {
1375 // add a '|' to separate this filter from the previous one
1376 if ( !descrBuf.IsEmpty() )
1377 descrBuf << wxT('|');
1378
1379 descrBuf << templates[i]->GetDescription()
1380 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1381 << templates[i]->GetFileFilter();
1382 }
1383 }
1384#else
1385 wxString descrBuf = wxT("*.*");
1386#endif
1387
1388 int FilterIndex = -1;
1389
1390 wxWindow* parent = wxFindSuitableParent();
1391
1392 wxString pathTmp = wxFileSelectorEx(_("Select a file"),
1393 m_lastDirectory,
1394 wxT(""),
1395 &FilterIndex,
1396 descrBuf,
1397 0,
1398 parent);
1399
1400 wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
1401 if (!pathTmp.IsEmpty())
1402 {
1403 if (!wxFileExists(pathTmp))
1404 {
1405 wxString msgTitle;
1406 if (!wxTheApp->GetAppName().IsEmpty())
1407 msgTitle = wxTheApp->GetAppName();
1408 else
1409 msgTitle = wxString(_("File error"));
1410
1411 (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
1412 parent);
1413
1414 path = wxT("");
1415 return (wxDocTemplate *) NULL;
1416 }
1417 m_lastDirectory = wxPathOnly(pathTmp);
1418
1419 path = pathTmp;
1420
1421 // first choose the template using the extension, if this fails (i.e.
1422 // wxFileSelectorEx() didn't fill it), then use the path
1423 if ( FilterIndex != -1 )
1424 theTemplate = templates[FilterIndex];
1425 if ( !theTemplate )
1426 theTemplate = FindTemplateForPath(path);
1427 }
1428 else
1429 {
1430 path = wxT("");
1431 }
1432
1433 return theTemplate;
1434
1435#if 0
1436 // In all other windowing systems, until we have more advanced
1437 // file selectors, we must select the document type (template) first, and
1438 // _then_ pop up the file selector.
1439 wxDocTemplate *temp = SelectDocumentType(templates, noTemplates);
1440 if (!temp)
1441 return (wxDocTemplate *) NULL;
1442
1443 wxChar *pathTmp = wxFileSelector(_("Select a file"), wxT(""), wxT(""),
1444 temp->GetDefaultExtension(),
1445 temp->GetFileFilter(),
1446 0, wxTheApp->GetTopWindow());
1447
1448 if (pathTmp)
1449 {
1450 path = pathTmp;
1451 return temp;
1452 }
1453 else
1454 return (wxDocTemplate *) NULL;
1455#endif // 0
1456}
1457
1458wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1459 int noTemplates, bool sort)
1460{
1461 wxArrayString strings(sort);
1462 wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1463 int i;
1464 int n = 0;
1465
1466 for (i = 0; i < noTemplates; i++)
1467 {
1468 if (templates[i]->IsVisible())
1469 {
1470 int j;
1471 bool want = TRUE;
1472 for (j = 0; j < n; j++)
1473 {
1474 //filter out NOT unique documents + view combinations
1475 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1476 templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1477 )
1478 want = FALSE;
1479 }
1480
1481 if ( want )
1482 {
1483 strings.Add(templates[i]->m_description);
1484
1485 data[n] = templates[i];
1486 n ++;
1487 }
1488 }
1489 } // for
1490
1491 if (sort)
1492 {
1493 // Yes, this will be slow, but template lists
1494 // are typically short.
1495 int j;
1496 n = strings.Count();
1497 for (i = 0; i < n; i++)
1498 {
1499 for (j = 0; j < noTemplates; j++)
1500 {
1501 if (strings[i] == templates[j]->m_description)
1502 data[i] = templates[j];
1503 }
1504 }
1505 }
1506
1507 wxDocTemplate *theTemplate;
1508
1509 switch ( n )
1510 {
1511 case 0:
1512 // no visible templates, hence nothing to choose from
1513 theTemplate = NULL;
1514 break;
1515
1516 case 1:
1517 // don't propose the user to choose if he heas no choice
1518 theTemplate = data[0];
1519 break;
1520
1521 default:
1522 // propose the user to choose one of several
1523 theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1524 (
1525 _("Select a document template"),
1526 _("Templates"),
1527 strings,
1528 (void **)data,
1529 wxFindSuitableParent()
1530 );
1531 }
1532
1533 delete[] data;
1534
1535 return theTemplate;
1536}
1537
1538wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1539 int noTemplates, bool sort)
1540{
1541 wxArrayString strings(sort);
1542 wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1543 int i;
1544 int n = 0;
1545
1546 for (i = 0; i < noTemplates; i++)
1547 {
1548 wxDocTemplate *templ = templates[i];
1549 if ( templ->IsVisible() && !templ->GetViewName().empty() )
1550 {
1551 int j;
1552 bool want = TRUE;
1553 for (j = 0; j < n; j++)
1554 {
1555 //filter out NOT unique views
1556 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1557 want = FALSE;
1558 }
1559
1560 if ( want )
1561 {
1562 strings.Add(templ->m_viewTypeName);
1563 data[n] = templ;
1564 n ++;
1565 }
1566 }
1567 }
1568
1569 if (sort)
1570 {
1571 // Yes, this will be slow, but template lists
1572 // are typically short.
1573 int j;
1574 n = strings.Count();
1575 for (i = 0; i < n; i++)
1576 {
1577 for (j = 0; j < noTemplates; j++)
1578 {
1579 if (strings[i] == templates[j]->m_viewTypeName)
1580 data[i] = templates[j];
1581 }
1582 }
1583 }
1584
1585 wxDocTemplate *theTemplate;
1586
1587 // the same logic as above
1588 switch ( n )
1589 {
1590 case 0:
1591 theTemplate = (wxDocTemplate *)NULL;
1592 break;
1593
1594 case 1:
1595 theTemplate = data[0];
1596 break;
1597
1598 default:
1599 theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1600 (
1601 _("Select a document view"),
1602 _("Views"),
1603 strings,
1604 (void **)data,
1605 wxFindSuitableParent()
1606 );
1607
1608 }
1609
1610 delete[] data;
1611 return theTemplate;
1612}
1613
1614void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1615{
1616 if (!m_templates.Member(temp))
1617 m_templates.Append(temp);
1618}
1619
1620void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1621{
1622 m_templates.DeleteObject(temp);
1623}
1624
1625// Add and remove a document from the manager's list
1626void wxDocManager::AddDocument(wxDocument *doc)
1627{
1628 if (!m_docs.Member(doc))
1629 m_docs.Append(doc);
1630}
1631
1632void wxDocManager::RemoveDocument(wxDocument *doc)
1633{
1634 m_docs.DeleteObject(doc);
1635}
1636
1637// Views or windows should inform the document manager
1638// when a view is going in or out of focus
1639void wxDocManager::ActivateView(wxView *view, bool activate, bool WXUNUSED(deleting))
1640{
1641 // If we're deactiving, and if we're not actually deleting the view, then
1642 // don't reset the current view because we may be going to
1643 // a window without a view.
1644 // WHAT DID I MEAN BY THAT EXACTLY?
1645 /*
1646 if (deleting)
1647 {
1648 if (m_currentView == view)
1649 m_currentView = NULL;
1650 }
1651 else
1652 */
1653 {
1654 if (activate)
1655 m_currentView = view;
1656 else
1657 m_currentView = (wxView *) NULL;
1658 }
1659}
1660
1661// ----------------------------------------------------------------------------
1662// Default document child frame
1663// ----------------------------------------------------------------------------
1664
1665BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1666 EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1667 EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1668END_EVENT_TABLE()
1669
1670wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1671 wxView *view,
1672 wxFrame *frame,
1673 wxWindowID id,
1674 const wxString& title,
1675 const wxPoint& pos,
1676 const wxSize& size,
1677 long style,
1678 const wxString& name)
1679 : wxFrame(frame, id, title, pos, size, style, name)
1680{
1681 m_childDocument = doc;
1682 m_childView = view;
1683 if (view)
1684 view->SetFrame(this);
1685}
1686
1687wxDocChildFrame::~wxDocChildFrame()
1688{
1689}
1690
1691// Extend event processing to search the view's event table
1692bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1693{
1694 if (m_childView)
1695 m_childView->Activate(TRUE);
1696
1697 if ( !m_childView || ! m_childView->ProcessEvent(event) )
1698 {
1699 // Only hand up to the parent if it's a menu command
1700 if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1701 return wxEvtHandler::ProcessEvent(event);
1702 else
1703 return TRUE;
1704 }
1705 else
1706 return TRUE;
1707}
1708
1709void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1710{
1711 wxFrame::OnActivate(event);
1712
1713 if (m_childView)
1714 m_childView->Activate(event.GetActive());
1715}
1716
1717void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1718{
1719 if (m_childView)
1720 {
1721 bool ans = FALSE;
1722 if (!event.CanVeto())
1723 ans = TRUE; // Must delete.
1724 else
1725 ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
1726
1727 if (ans)
1728 {
1729 m_childView->Activate(FALSE);
1730 delete m_childView;
1731 m_childView = (wxView *) NULL;
1732 m_childDocument = (wxDocument *) NULL;
1733
1734 this->Destroy();
1735 }
1736 else
1737 event.Veto();
1738 }
1739 else
1740 event.Veto();
1741}
1742
1743// ----------------------------------------------------------------------------
1744// Default parent frame
1745// ----------------------------------------------------------------------------
1746
1747BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1748 EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1749 EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1750 EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1751END_EVENT_TABLE()
1752
1753wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1754 wxFrame *frame,
1755 wxWindowID id,
1756 const wxString& title,
1757 const wxPoint& pos,
1758 const wxSize& size,
1759 long style,
1760 const wxString& name)
1761 : wxFrame(frame, id, title, pos, size, style, name)
1762{
1763 m_docManager = manager;
1764}
1765
1766void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1767{
1768 Close();
1769}
1770
1771void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1772{
1773 int n = event.GetId() - wxID_FILE1; // the index in MRU list
1774 wxString filename(m_docManager->GetHistoryFile(n));
1775 if ( !filename.IsEmpty() )
1776 {
1777 // verify that the file exists before doing anything else
1778 if ( wxFile::Exists(filename) )
1779 {
1780 // try to open it
1781 (void)m_docManager->CreateDocument(filename, wxDOC_SILENT);
1782 }
1783 else
1784 {
1785 // remove the bogus filename from the MRU list and notify the user
1786 // about it
1787 m_docManager->RemoveFileFromHistory(n);
1788
1789 wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
1790 filename.c_str());
1791 }
1792 }
1793}
1794
1795// Extend event processing to search the view's event table
1796bool wxDocParentFrame::ProcessEvent(wxEvent& event)
1797{
1798 // Try the document manager, then do default processing
1799 if (!m_docManager || !m_docManager->ProcessEvent(event))
1800 return wxEvtHandler::ProcessEvent(event);
1801 else
1802 return TRUE;
1803}
1804
1805// Define the behaviour for the frame closing
1806// - must delete all frames except for the main one.
1807void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1808{
1809 if (m_docManager->Clear(!event.CanVeto()))
1810 {
1811 this->Destroy();
1812 }
1813 else
1814 event.Veto();
1815}
1816
1817#if wxUSE_PRINTING_ARCHITECTURE
1818
1819wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1820 : wxPrintout(title)
1821{
1822 m_printoutView = view;
1823}
1824
1825bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1826{
1827 wxDC *dc = GetDC();
1828
1829 // Get the logical pixels per inch of screen and printer
1830 int ppiScreenX, ppiScreenY;
1831 GetPPIScreen(&ppiScreenX, &ppiScreenY);
1832 int ppiPrinterX, ppiPrinterY;
1833 GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
1834
1835 // This scales the DC so that the printout roughly represents the
1836 // the screen scaling. The text point size _should_ be the right size
1837 // but in fact is too small for some reason. This is a detail that will
1838 // need to be addressed at some point but can be fudged for the
1839 // moment.
1840 float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
1841
1842 // Now we have to check in case our real page size is reduced
1843 // (e.g. because we're drawing to a print preview memory DC)
1844 int pageWidth, pageHeight;
1845 int w, h;
1846 dc->GetSize(&w, &h);
1847 GetPageSizePixels(&pageWidth, &pageHeight);
1848
1849 // If printer pageWidth == current DC width, then this doesn't
1850 // change. But w might be the preview bitmap width, so scale down.
1851 float overallScale = scale * (float)(w/(float)pageWidth);
1852 dc->SetUserScale(overallScale, overallScale);
1853
1854 if (m_printoutView)
1855 {
1856 m_printoutView->OnDraw(dc);
1857 }
1858 return TRUE;
1859}
1860
1861bool wxDocPrintout::HasPage(int pageNum)
1862{
1863 return (pageNum == 1);
1864}
1865
1866bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
1867{
1868 if (!wxPrintout::OnBeginDocument(startPage, endPage))
1869 return FALSE;
1870
1871 return TRUE;
1872}
1873
1874void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
1875{
1876 *minPage = 1;
1877 *maxPage = 1;
1878 *selPageFrom = 1;
1879 *selPageTo = 1;
1880}
1881
1882#endif // wxUSE_PRINTING_ARCHITECTURE
1883
1884// ----------------------------------------------------------------------------
1885// File history processor
1886// ----------------------------------------------------------------------------
1887
1888wxFileHistory::wxFileHistory(int maxFiles)
1889{
1890 m_fileMaxFiles = maxFiles;
1891 m_fileHistoryN = 0;
1892 m_fileHistory = new wxChar *[m_fileMaxFiles];
1893}
1894
1895wxFileHistory::~wxFileHistory()
1896{
1897 int i;
1898 for (i = 0; i < m_fileHistoryN; i++)
1899 delete[] m_fileHistory[i];
1900 delete[] m_fileHistory;
1901}
1902
1903// File history management
1904void wxFileHistory::AddFileToHistory(const wxString& file)
1905{
1906 int i;
1907
1908 // Check we don't already have this file
1909 for (i = 0; i < m_fileHistoryN; i++)
1910 {
1911 if ( m_fileHistory[i] && (file == m_fileHistory[i]) )
1912 {
1913 // we do have it, move it to the top of the history
1914 RemoveFileFromHistory (i);
1915 AddFileToHistory (file);
1916 return;
1917 }
1918 }
1919
1920 // if we already have a full history, delete the one at the end
1921 if ( m_fileMaxFiles == m_fileHistoryN )
1922 {
1923 RemoveFileFromHistory (m_fileHistoryN - 1);
1924 AddFileToHistory (file);
1925 return;
1926 }
1927
1928 // Add to the project file history:
1929 // Move existing files (if any) down so we can insert file at beginning.
1930 if (m_fileHistoryN < m_fileMaxFiles)
1931 {
1932 wxNode* node = m_fileMenus.First();
1933 while (node)
1934 {
1935 wxMenu* menu = (wxMenu*) node->Data();
1936 if (m_fileHistoryN == 0)
1937 menu->AppendSeparator();
1938 menu->Append(wxID_FILE1+m_fileHistoryN, _("[EMPTY]"));
1939 node = node->Next();
1940 }
1941 m_fileHistoryN ++;
1942 }
1943 // Shuffle filenames down
1944 for (i = (m_fileHistoryN-1); i > 0; i--)
1945 {
1946 m_fileHistory[i] = m_fileHistory[i-1];
1947 }
1948 m_fileHistory[0] = copystring(file);
1949
1950 // this is the directory of the last opened file
1951 wxString pathCurrent;
1952 wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
1953 for (i = 0; i < m_fileHistoryN; i++)
1954 {
1955 if ( m_fileHistory[i] )
1956 {
1957 // if in same directory just show the filename; otherwise the full
1958 // path
1959 wxString pathInMenu, path, filename, ext;
1960 wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
1961 if ( path == pathCurrent )
1962 {
1963 pathInMenu = filename;
1964 if ( !ext.empty() )
1965 pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
1966 }
1967 else
1968 {
1969 // absolute path; could also set relative path
1970 pathInMenu = m_fileHistory[i];
1971 }
1972
1973 wxString buf;
1974 buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
1975 wxNode* node = m_fileMenus.First();
1976 while (node)
1977 {
1978 wxMenu* menu = (wxMenu*) node->Data();
1979 menu->SetLabel(wxID_FILE1 + i, buf);
1980 node = node->Next();
1981 }
1982 }
1983 }
1984}
1985
1986void wxFileHistory::RemoveFileFromHistory(int i)
1987{
1988 wxCHECK_RET( i < m_fileHistoryN,
1989 wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
1990
1991 // delete the element from the array (could use memmove() too...)
1992 delete [] m_fileHistory[i];
1993
1994 int j;
1995 for ( j = i; j < m_fileHistoryN - 1; j++ )
1996 {
1997 m_fileHistory[j] = m_fileHistory[j + 1];
1998 }
1999
2000 wxNode* node = m_fileMenus.First();
2001 while ( node )
2002 {
2003 wxMenu* menu = (wxMenu*) node->Data();
2004
2005
2006 // shuffle filenames up
2007 wxString buf;
2008 for ( j = i; j < m_fileHistoryN - 1; j++ )
2009 {
2010 buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2011 menu->SetLabel(wxID_FILE1 + j, buf);
2012 }
2013
2014 node = node->Next();
2015
2016 // delete the last menu item which is unused now
2017 if (menu->FindItem(wxID_FILE1 + m_fileHistoryN - 1))
2018 menu->Delete(wxID_FILE1 + m_fileHistoryN - 1);
2019
2020 // delete the last separator too if no more files are left
2021 if ( m_fileHistoryN == 1 )
2022 {
2023 wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
2024 if ( node )
2025 {
2026 wxMenuItem *menuItem = node->GetData();
2027 if ( menuItem->IsSeparator() )
2028 {
2029 menu->Delete(menuItem);
2030 }
2031 //else: should we search backwards for the last separator?
2032 }
2033 //else: menu is empty somehow
2034 }
2035 }
2036
2037 m_fileHistoryN--;
2038}
2039
2040wxString wxFileHistory::GetHistoryFile(int i) const
2041{
2042 wxString s;
2043 if ( i < m_fileHistoryN )
2044 {
2045 s = m_fileHistory[i];
2046 }
2047 else
2048 {
2049 wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2050 }
2051
2052 return s;
2053}
2054
2055void wxFileHistory::UseMenu(wxMenu *menu)
2056{
2057 if (!m_fileMenus.Member(menu))
2058 m_fileMenus.Append(menu);
2059}
2060
2061void wxFileHistory::RemoveMenu(wxMenu *menu)
2062{
2063 m_fileMenus.DeleteObject(menu);
2064}
2065
2066#if wxUSE_CONFIG
2067void wxFileHistory::Load(wxConfigBase& config)
2068{
2069 m_fileHistoryN = 0;
2070 wxString buf;
2071 buf.Printf(wxT("file%d"), m_fileHistoryN+1);
2072 wxString historyFile;
2073 while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT("")))
2074 {
2075 m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile);
2076 m_fileHistoryN ++;
2077 buf.Printf(wxT("file%d"), m_fileHistoryN+1);
2078 historyFile = wxT("");
2079 }
2080 AddFilesToMenu();
2081}
2082
2083void wxFileHistory::Save(wxConfigBase& config)
2084{
2085 int i;
2086 for (i = 0; i < m_fileHistoryN; i++)
2087 {
2088 wxString buf;
2089 buf.Printf(wxT("file%d"), i+1);
2090 config.Write(buf, wxString(m_fileHistory[i]));
2091 }
2092}
2093#endif // wxUSE_CONFIG
2094
2095void wxFileHistory::AddFilesToMenu()
2096{
2097 if (m_fileHistoryN > 0)
2098 {
2099 wxNode* node = m_fileMenus.First();
2100 while (node)
2101 {
2102 wxMenu* menu = (wxMenu*) node->Data();
2103 menu->AppendSeparator();
2104 int i;
2105 for (i = 0; i < m_fileHistoryN; i++)
2106 {
2107 if (m_fileHistory[i])
2108 {
2109 wxString buf;
2110 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2111 menu->Append(wxID_FILE1+i, buf);
2112 }
2113 }
2114 node = node->Next();
2115 }
2116 }
2117}
2118
2119void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2120{
2121 if (m_fileHistoryN > 0)
2122 {
2123 menu->AppendSeparator();
2124 int i;
2125 for (i = 0; i < m_fileHistoryN; i++)
2126 {
2127 if (m_fileHistory[i])
2128 {
2129 wxString buf;
2130 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2131 menu->Append(wxID_FILE1+i, buf);
2132 }
2133 }
2134 }
2135}
2136
2137// ----------------------------------------------------------------------------
2138// Permits compatibility with existing file formats and functions that
2139// manipulate files directly
2140// ----------------------------------------------------------------------------
2141
2142#if wxUSE_STD_IOSTREAM
2143bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2144{
2145 FILE *fd1;
2146 int ch;
2147
2148 if ((fd1 = wxFopen (filename.fn_str(), _T("rb"))) == NULL)
2149 return FALSE;
2150
2151 while ((ch = getc (fd1)) != EOF)
2152 stream << (unsigned char)ch;
2153
2154 fclose (fd1);
2155 return TRUE;
2156}
2157
2158bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2159{
2160 FILE *fd1;
2161 int ch;
2162
2163 if ((fd1 = wxFopen (filename.fn_str(), _T("wb"))) == NULL)
2164 {
2165 return FALSE;
2166 }
2167
2168 while (!stream.eof())
2169 {
2170 ch = stream.get();
2171 if (!stream.eof())
2172 putc (ch, fd1);
2173 }
2174 fclose (fd1);
2175 return TRUE;
2176}
2177#else
2178bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2179{
2180 FILE *fd1;
2181 int ch;
2182
2183 if ((fd1 = wxFopen (filename, wxT("rb"))) == NULL)
2184 return FALSE;
2185
2186 while ((ch = getc (fd1)) != EOF)
2187 stream.PutC((char) ch);
2188
2189 fclose (fd1);
2190 return TRUE;
2191}
2192
2193bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2194{
2195 FILE *fd1;
2196 char ch;
2197
2198 if ((fd1 = wxFopen (filename, wxT("wb"))) == NULL)
2199 {
2200 return FALSE;
2201 }
2202
2203 int len = stream.StreamSize();
2204 // TODO: is this the correct test for EOF?
2205 while (stream.TellI() < (len - 1))
2206 {
2207 ch = stream.GetC();
2208 putc (ch, fd1);
2209 }
2210 fclose (fd1);
2211 return TRUE;
2212}
2213#endif
2214
2215#endif // wxUSE_DOC_VIEW_ARCHITECTURE
2216
wxWidgets (Impactor)