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: docview.cpp 66911 2011-02-16 21:31:33Z JS $
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #if wxUSE_DOC_VIEW_ARCHITECTURE
28
29 #include "wx/docview.h"
30
31 #ifndef WX_PRECOMP
32 #include "wx/list.h"
33 #include "wx/string.h"
34 #include "wx/utils.h"
35 #include "wx/app.h"
36 #include "wx/dc.h"
37 #include "wx/dialog.h"
38 #include "wx/menu.h"
39 #include "wx/filedlg.h"
40 #include "wx/intl.h"
41 #include "wx/log.h"
42 #include "wx/msgdlg.h"
43 #include "wx/mdi.h"
44 #include "wx/choicdlg.h"
45 #endif
46
47 #include "wx/ffile.h"
48
49 #ifdef __WXMAC__
50 #include "wx/filename.h"
51 #endif
52
53 #if wxUSE_PRINTING_ARCHITECTURE
54 #include "wx/prntbase.h"
55 #include "wx/printdlg.h"
56 #endif
57
58 #include "wx/confbase.h"
59 #include "wx/file.h"
60 #include "wx/cmdproc.h"
61 #include "wx/tokenzr.h"
62
63 #include <stdio.h>
64 #include <string.h>
65
66 #if wxUSE_STD_IOSTREAM
67 #include "wx/ioswrap.h"
68 #if wxUSE_IOSTREAMH
69 #include <fstream.h>
70 #else
71 #include <fstream>
72 #endif
73 #else
74 #include "wx/wfstream.h"
75 #endif
76
77 // ----------------------------------------------------------------------------
78 // wxWidgets macros
79 // ----------------------------------------------------------------------------
80
81 IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
82 IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
83 IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
84 IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
85 IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
86 IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
87
88 #if wxUSE_PRINTING_ARCHITECTURE
89 IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
90 #endif
91
92 IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
93
94 // ----------------------------------------------------------------------------
95 // function prototypes
96 // ----------------------------------------------------------------------------
97
98 static wxWindow* wxFindSuitableParent(void);
99
100 // ----------------------------------------------------------------------------
101 // local constants
102 // ----------------------------------------------------------------------------
103
104 static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
105
106 // ============================================================================
107 // implementation
108 // ============================================================================
109
110 // ----------------------------------------------------------------------------
111 // local functions
112 // ----------------------------------------------------------------------------
113
FindExtension(const wxChar * path)114 static wxString FindExtension(const wxChar *path)
115 {
116 wxString ext;
117 wxSplitPath(path, NULL, NULL, &ext);
118
119 // VZ: extensions are considered not case sensitive - is this really a good
120 // idea?
121 return ext.MakeLower();
122 }
123
124 // ----------------------------------------------------------------------------
125 // Definition of wxDocument
126 // ----------------------------------------------------------------------------
127
wxDocument(wxDocument * parent)128 wxDocument::wxDocument(wxDocument *parent)
129 {
130 m_documentModified = false;
131 m_documentParent = parent;
132 m_documentTemplate = (wxDocTemplate *) NULL;
133 m_commandProcessor = (wxCommandProcessor*) NULL;
134 m_savedYet = false;
135 }
136
DeleteContents()137 bool wxDocument::DeleteContents()
138 {
139 return true;
140 }
141
~wxDocument()142 wxDocument::~wxDocument()
143 {
144 DeleteContents();
145
146 if (m_commandProcessor)
147 delete m_commandProcessor;
148
149 if (GetDocumentManager())
150 GetDocumentManager()->RemoveDocument(this);
151
152 // Not safe to do here, since it'll invoke virtual view functions
153 // expecting to see valid derived objects: and by the time we get here,
154 // we've called destructors higher up.
155 //DeleteAllViews();
156 }
157
Close()158 bool wxDocument::Close()
159 {
160 if (OnSaveModified())
161 return OnCloseDocument();
162 else
163 return false;
164 }
165
OnCloseDocument()166 bool wxDocument::OnCloseDocument()
167 {
168 // Tell all views that we're about to close
169 NotifyClosing();
170 DeleteContents();
171 Modify(false);
172 return true;
173 }
174
175 // Note that this implicitly deletes the document when the last view is
176 // deleted.
DeleteAllViews()177 bool wxDocument::DeleteAllViews()
178 {
179 wxDocManager* manager = GetDocumentManager();
180
181 // first check if all views agree to be closed
182 const wxList::iterator end = m_documentViews.end();
183 for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
184 {
185 wxView *view = (wxView *)*i;
186 if ( !view->Close() )
187 return false;
188 }
189
190 // all views agreed to close, now do close them
191 if ( m_documentViews.empty() )
192 {
193 // normally the document would be implicitly deleted when the last view
194 // is, but if don't have any views, do it here instead
195 if ( manager && manager->GetDocuments().Member(this) )
196 delete this;
197 }
198 else // have views
199 {
200 // as we delete elements we iterate over, don't use the usual "from
201 // begin to end" loop
202 for ( ;; )
203 {
204 wxView *view = (wxView *)*m_documentViews.begin();
205
206 bool isLastOne = m_documentViews.size() == 1;
207
208 // this always deletes the node implicitly and if this is the last
209 // view also deletes this object itself (also implicitly, great),
210 // so we can't test for m_documentViews.empty() after calling this!
211 delete view;
212
213 if ( isLastOne )
214 break;
215 }
216 }
217
218 return true;
219 }
220
GetFirstView() const221 wxView *wxDocument::GetFirstView() const
222 {
223 if (m_documentViews.GetCount() == 0)
224 return (wxView *) NULL;
225 return (wxView *)m_documentViews.GetFirst()->GetData();
226 }
227
GetDocumentManager() const228 wxDocManager *wxDocument::GetDocumentManager() const
229 {
230 return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
231 }
232
OnNewDocument()233 bool wxDocument::OnNewDocument()
234 {
235 if (!OnSaveModified())
236 return false;
237
238 if (OnCloseDocument()==false) return false;
239 DeleteContents();
240 Modify(false);
241 SetDocumentSaved(false);
242
243 wxString name;
244 GetDocumentManager()->MakeDefaultName(name);
245 SetTitle(name);
246 SetFilename(name, true);
247
248 return true;
249 }
250
Save()251 bool wxDocument::Save()
252 {
253 if (!IsModified() && m_savedYet)
254 return true;
255
256 if ( m_documentFile.empty() || !m_savedYet )
257 return SaveAs();
258
259 return OnSaveDocument(m_documentFile);
260 }
261
SaveAs()262 bool wxDocument::SaveAs()
263 {
264 wxDocTemplate *docTemplate = GetDocumentTemplate();
265 if (!docTemplate)
266 return false;
267
268 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
269 wxString filter = docTemplate->GetDescription() + wxT(" (") + docTemplate->GetFileFilter() + wxT(")|") + docTemplate->GetFileFilter();
270
271 // Now see if there are some other template with identical view and document
272 // classes, whose filters may also be used.
273
274 if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
275 {
276 wxList::compatibility_iterator node = docTemplate->GetDocumentManager()->GetTemplates().GetFirst();
277 while (node)
278 {
279 wxDocTemplate *t = (wxDocTemplate*) node->GetData();
280
281 if (t->IsVisible() && t != docTemplate &&
282 t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
283 t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
284 {
285 // add a '|' to separate this filter from the previous one
286 if ( !filter.empty() )
287 filter << wxT('|');
288
289 filter << t->GetDescription() << wxT(" (") << t->GetFileFilter() << wxT(") |")
290 << t->GetFileFilter();
291 }
292
293 node = node->GetNext();
294 }
295 }
296 #else
297 wxString filter = docTemplate->GetFileFilter() ;
298 #endif
299 wxString defaultDir = docTemplate->GetDirectory();
300 if (defaultDir.IsEmpty())
301 defaultDir = wxPathOnly(GetFilename());
302
303 wxString tmp = wxFileSelector(_("Save as"),
304 defaultDir,
305 wxFileNameFromPath(GetFilename()),
306 docTemplate->GetDefaultExtension(),
307 filter,
308 wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
309 GetDocumentWindow());
310
311 if (tmp.empty())
312 return false;
313
314 wxString fileName(tmp);
315 wxString path, name, ext;
316 wxSplitPath(fileName, & path, & name, & ext);
317
318 if (ext.empty())
319 {
320 fileName += wxT(".");
321 fileName += docTemplate->GetDefaultExtension();
322 }
323
324 SetFilename(fileName);
325 SetTitle(wxFileNameFromPath(fileName));
326
327 // Notify the views that the filename has changed
328 wxList::compatibility_iterator node = m_documentViews.GetFirst();
329 while (node)
330 {
331 wxView *view = (wxView *)node->GetData();
332 view->OnChangeFilename();
333 node = node->GetNext();
334 }
335
336 // Files that were not saved correctly are not added to the FileHistory.
337 if (!OnSaveDocument(m_documentFile))
338 return false;
339
340 // A file that doesn't use the default extension of its document template cannot be opened
341 // via the FileHistory, so we do not add it.
342 if (docTemplate->FileMatchesTemplate(fileName))
343 {
344 GetDocumentManager()->AddFileToHistory(fileName);
345 }
346 else
347 {
348 // The user will probably not be able to open the file again, so
349 // we could warn about the wrong file-extension here.
350 }
351 return true;
352 }
353
OnSaveDocument(const wxString & file)354 bool wxDocument::OnSaveDocument(const wxString& file)
355 {
356 if ( !file )
357 return false;
358
359 if ( !DoSaveDocument(file) )
360 return false;
361
362 Modify(false);
363 SetFilename(file);
364 SetDocumentSaved(true);
365 #ifdef __WXMAC__
366 wxFileName fn(file) ;
367 fn.MacSetDefaultTypeAndCreator() ;
368 #endif
369 return true;
370 }
371
OnOpenDocument(const wxString & file)372 bool wxDocument::OnOpenDocument(const wxString& file)
373 {
374 if (!OnSaveModified())
375 return false;
376
377 if ( !DoOpenDocument(file) )
378 return false;
379
380 SetFilename(file, true);
381 Modify(false);
382 m_savedYet = true;
383
384 UpdateAllViews();
385
386 return true;
387 }
388
389 #if wxUSE_STD_IOSTREAM
LoadObject(wxSTD istream & stream)390 wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
391 #else
392 wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
393 #endif
394 {
395 return stream;
396 }
397
398 #if wxUSE_STD_IOSTREAM
SaveObject(wxSTD ostream & stream)399 wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
400 #else
401 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
402 #endif
403 {
404 return stream;
405 }
406
Revert()407 bool wxDocument::Revert()
408 {
409 return false;
410 }
411
412
413 // Get title, or filename if no title, else unnamed
GetPrintableName(wxString & buf) const414 bool wxDocument::GetPrintableName(wxString& buf) const
415 {
416 if (!m_documentTitle.empty())
417 {
418 buf = m_documentTitle;
419 return true;
420 }
421 else if (!m_documentFile.empty())
422 {
423 buf = wxFileNameFromPath(m_documentFile);
424 return true;
425 }
426 else
427 {
428 buf = _("unnamed");
429 return true;
430 }
431 }
432
GetDocumentWindow() const433 wxWindow *wxDocument::GetDocumentWindow() const
434 {
435 wxView *view = GetFirstView();
436 if (view)
437 return view->GetFrame();
438 else
439 return wxTheApp->GetTopWindow();
440 }
441
OnCreateCommandProcessor()442 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
443 {
444 return new wxCommandProcessor;
445 }
446
447 // true if safe to close
OnSaveModified()448 bool wxDocument::OnSaveModified()
449 {
450 if (IsModified())
451 {
452 wxString title;
453 GetPrintableName(title);
454
455 wxString msgTitle;
456 if (!wxTheApp->GetAppName().empty())
457 msgTitle = wxTheApp->GetAppName();
458 else
459 msgTitle = wxString(_("Warning"));
460
461 wxString prompt;
462 prompt.Printf(_("Do you want to save changes to document %s?"),
463 (const wxChar *)title);
464 int res = wxMessageBox(prompt, msgTitle,
465 wxYES_NO|wxCANCEL|wxICON_QUESTION,
466 GetDocumentWindow());
467 if (res == wxNO)
468 {
469 Modify(false);
470 return true;
471 }
472 else if (res == wxYES)
473 return Save();
474 else if (res == wxCANCEL)
475 return false;
476 }
477 return true;
478 }
479
Draw(wxDC & WXUNUSED (context))480 bool wxDocument::Draw(wxDC& WXUNUSED(context))
481 {
482 return true;
483 }
484
AddView(wxView * view)485 bool wxDocument::AddView(wxView *view)
486 {
487 if (!m_documentViews.Member(view))
488 {
489 m_documentViews.Append(view);
490 OnChangedViewList();
491 }
492 return true;
493 }
494
RemoveView(wxView * view)495 bool wxDocument::RemoveView(wxView *view)
496 {
497 (void)m_documentViews.DeleteObject(view);
498 OnChangedViewList();
499 return true;
500 }
501
OnCreate(const wxString & WXUNUSED (path),long flags)502 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
503 {
504 if (GetDocumentTemplate()->CreateView(this, flags))
505 return true;
506 else
507 return false;
508 }
509
510 // Called after a view is added or removed.
511 // The default implementation deletes the document if
512 // there are no more views.
OnChangedViewList()513 void wxDocument::OnChangedViewList()
514 {
515 if (m_documentViews.GetCount() == 0)
516 {
517 if (OnSaveModified())
518 {
519 delete this;
520 }
521 }
522 }
523
UpdateAllViews(wxView * sender,wxObject * hint)524 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
525 {
526 wxList::compatibility_iterator node = m_documentViews.GetFirst();
527 while (node)
528 {
529 wxView *view = (wxView *)node->GetData();
530 if (view != sender)
531 view->OnUpdate(sender, hint);
532 node = node->GetNext();
533 }
534 }
535
NotifyClosing()536 void wxDocument::NotifyClosing()
537 {
538 wxList::compatibility_iterator node = m_documentViews.GetFirst();
539 while (node)
540 {
541 wxView *view = (wxView *)node->GetData();
542 view->OnClosingDocument();
543 node = node->GetNext();
544 }
545 }
546
SetFilename(const wxString & filename,bool notifyViews)547 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
548 {
549 m_documentFile = filename;
550 if ( notifyViews )
551 {
552 // Notify the views that the filename has changed
553 wxList::compatibility_iterator node = m_documentViews.GetFirst();
554 while (node)
555 {
556 wxView *view = (wxView *)node->GetData();
557 view->OnChangeFilename();
558 node = node->GetNext();
559 }
560 }
561 }
562
DoSaveDocument(const wxString & file)563 bool wxDocument::DoSaveDocument(const wxString& file)
564 {
565 wxString msgTitle;
566 if (!wxTheApp->GetAppName().empty())
567 msgTitle = wxTheApp->GetAppName();
568 else
569 msgTitle = wxString(_("File error"));
570
571 #if wxUSE_STD_IOSTREAM
572 wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
573 if (store.fail() || store.bad())
574 #else
575 wxFileOutputStream store(file);
576 if (store.GetLastError() != wxSTREAM_NO_ERROR)
577 #endif
578 {
579 (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
580 GetDocumentWindow());
581 // Saving error
582 return false;
583 }
584 if (!SaveObject(store))
585 {
586 (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
587 GetDocumentWindow());
588 // Saving error
589 return false;
590 }
591
592 return true;
593 }
594
DoOpenDocument(const wxString & file)595 bool wxDocument::DoOpenDocument(const wxString& file)
596 {
597 #if wxUSE_STD_IOSTREAM
598 wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
599 if (!store.fail() && !store.bad())
600 #else
601 wxFileInputStream store(file);
602 if (store.GetLastError() == wxSTREAM_NO_ERROR)
603 #endif
604 {
605 #if wxUSE_STD_IOSTREAM
606 LoadObject(store);
607 if ( !!store || store.eof() )
608 #else
609 int res = LoadObject(store).GetLastError();
610 if ( res == wxSTREAM_NO_ERROR || res == wxSTREAM_EOF )
611 #endif
612 return true;
613 }
614
615 wxLogError(_("Sorry, could not open this file."));
616 return false;
617 }
618
619
620 // ----------------------------------------------------------------------------
621 // Document view
622 // ----------------------------------------------------------------------------
623
wxView()624 wxView::wxView()
625 {
626 m_viewDocument = (wxDocument*) NULL;
627
628 m_viewFrame = (wxFrame *) NULL;
629 }
630
~wxView()631 wxView::~wxView()
632 {
633 if (m_viewDocument && GetDocumentManager())
634 GetDocumentManager()->ActivateView(this, false);
635 if (m_viewDocument)
636 m_viewDocument->RemoveView(this);
637 }
638
639 // Extend event processing to search the document's event table
ProcessEvent(wxEvent & event)640 bool wxView::ProcessEvent(wxEvent& event)
641 {
642 if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
643 return wxEvtHandler::ProcessEvent(event);
644
645 return true;
646 }
647
OnActivateView(bool WXUNUSED (activate),wxView * WXUNUSED (activeView),wxView * WXUNUSED (deactiveView))648 void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
649 {
650 }
651
OnPrint(wxDC * dc,wxObject * WXUNUSED (info))652 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
653 {
654 OnDraw(dc);
655 }
656
OnUpdate(wxView * WXUNUSED (sender),wxObject * WXUNUSED (hint))657 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
658 {
659 }
660
OnChangeFilename()661 void wxView::OnChangeFilename()
662 {
663 // GetFrame can return wxWindow rather than wxTopLevelWindow due to
664 // generic MDI implementation so use SetLabel rather than SetTitle.
665 // It should cause SetTitle() for top level windows.
666 wxWindow *win = GetFrame();
667 if (!win) return;
668
669 wxDocument *doc = GetDocument();
670 if (!doc) return;
671
672 wxString name;
673 doc->GetPrintableName(name);
674 win->SetLabel(name);
675 }
676
SetDocument(wxDocument * doc)677 void wxView::SetDocument(wxDocument *doc)
678 {
679 m_viewDocument = doc;
680 if (doc)
681 doc->AddView(this);
682 }
683
Close(bool deleteWindow)684 bool wxView::Close(bool deleteWindow)
685 {
686 if (OnClose(deleteWindow))
687 return true;
688 else
689 return false;
690 }
691
Activate(bool activate)692 void wxView::Activate(bool activate)
693 {
694 if (GetDocument() && GetDocumentManager())
695 {
696 OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
697 GetDocumentManager()->ActivateView(this, activate);
698 }
699 }
700
OnClose(bool WXUNUSED (deleteWindow))701 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
702 {
703 return GetDocument() ? GetDocument()->Close() : true;
704 }
705
706 #if wxUSE_PRINTING_ARCHITECTURE
OnCreatePrintout()707 wxPrintout *wxView::OnCreatePrintout()
708 {
709 return new wxDocPrintout(this);
710 }
711 #endif // wxUSE_PRINTING_ARCHITECTURE
712
713 // ----------------------------------------------------------------------------
714 // wxDocTemplate
715 // ----------------------------------------------------------------------------
716
wxDocTemplate(wxDocManager * manager,const wxString & descr,const wxString & filter,const wxString & dir,const wxString & ext,const wxString & docTypeName,const wxString & viewTypeName,wxClassInfo * docClassInfo,wxClassInfo * viewClassInfo,long flags)717 wxDocTemplate::wxDocTemplate(wxDocManager *manager,
718 const wxString& descr,
719 const wxString& filter,
720 const wxString& dir,
721 const wxString& ext,
722 const wxString& docTypeName,
723 const wxString& viewTypeName,
724 wxClassInfo *docClassInfo,
725 wxClassInfo *viewClassInfo,
726 long flags)
727 {
728 m_documentManager = manager;
729 m_description = descr;
730 m_directory = dir;
731 m_defaultExt = ext;
732 m_fileFilter = filter;
733 m_flags = flags;
734 m_docTypeName = docTypeName;
735 m_viewTypeName = viewTypeName;
736 m_documentManager->AssociateTemplate(this);
737
738 m_docClassInfo = docClassInfo;
739 m_viewClassInfo = viewClassInfo;
740 }
741
~wxDocTemplate()742 wxDocTemplate::~wxDocTemplate()
743 {
744 m_documentManager->DisassociateTemplate(this);
745 }
746
747 // Tries to dynamically construct an object of the right class.
CreateDocument(const wxString & path,long flags)748 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
749 {
750 wxDocument *doc = DoCreateDocument();
751 if ( doc == NULL )
752 return (wxDocument *) NULL;
753
754 if (InitDocument(doc, path, flags))
755 {
756 return doc;
757 }
758 else
759 {
760 return (wxDocument *) NULL;
761 }
762 }
763
InitDocument(wxDocument * doc,const wxString & path,long flags)764 bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
765 {
766 doc->SetFilename(path);
767 doc->SetDocumentTemplate(this);
768 GetDocumentManager()->AddDocument(doc);
769 doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
770
771 if (doc->OnCreate(path, flags))
772 return true;
773 else
774 {
775 if (GetDocumentManager()->GetDocuments().Member(doc))
776 doc->DeleteAllViews();
777 return false;
778 }
779 }
780
CreateView(wxDocument * doc,long flags)781 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
782 {
783 wxView *view = DoCreateView();
784 if ( view == NULL )
785 return (wxView *) NULL;
786
787 view->SetDocument(doc);
788 if (view->OnCreate(doc, flags))
789 {
790 return view;
791 }
792 else
793 {
794 delete view;
795 return (wxView *) NULL;
796 }
797 }
798
799 // The default (very primitive) format detection: check is the extension is
800 // that of the template
FileMatchesTemplate(const wxString & path)801 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
802 {
803 wxStringTokenizer parser (GetFileFilter(), wxT(";"));
804 wxString anything = wxT ("*");
805 while (parser.HasMoreTokens())
806 {
807 wxString filter = parser.GetNextToken();
808 wxString filterExt = FindExtension (filter);
809 if ( filter.IsSameAs (anything) ||
810 filterExt.IsSameAs (anything) ||
811 filterExt.IsSameAs (FindExtension (path)) )
812 return true;
813 }
814 return GetDefaultExtension().IsSameAs(FindExtension(path));
815 }
816
DoCreateDocument()817 wxDocument *wxDocTemplate::DoCreateDocument()
818 {
819 if (!m_docClassInfo)
820 return (wxDocument *) NULL;
821
822 return (wxDocument *)m_docClassInfo->CreateObject();
823 }
824
DoCreateView()825 wxView *wxDocTemplate::DoCreateView()
826 {
827 if (!m_viewClassInfo)
828 return (wxView *) NULL;
829
830 return (wxView *)m_viewClassInfo->CreateObject();
831 }
832
833 // ----------------------------------------------------------------------------
834 // wxDocManager
835 // ----------------------------------------------------------------------------
836
837 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
838 EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
839 EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
840 EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
841 EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
842 EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
843 EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
844 EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
845 EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
846 EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
847
848 EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
849 EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
850 EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose)
851 EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
852 EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
853 EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
854 EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
855 EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
856 EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
857
858 #if wxUSE_PRINTING_ARCHITECTURE
859 EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
860 EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
861
862 EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
863 EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
864 #endif
865 END_EVENT_TABLE()
866
867 wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
868
wxDocManager(long flags,bool initialize)869 wxDocManager::wxDocManager(long flags, bool initialize)
870 {
871 m_defaultDocumentNameCounter = 1;
872 m_flags = flags;
873 m_currentView = (wxView *) NULL;
874 m_maxDocsOpen = 10000;
875 m_fileHistory = (wxFileHistory *) NULL;
876 if (initialize)
877 Initialize();
878 sm_docManager = this;
879 }
880
~wxDocManager()881 wxDocManager::~wxDocManager()
882 {
883 Clear();
884 if (m_fileHistory)
885 delete m_fileHistory;
886 sm_docManager = (wxDocManager*) NULL;
887 }
888
889 // closes the specified document
CloseDocument(wxDocument * doc,bool force)890 bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
891 {
892 if (doc->Close() || force)
893 {
894 // Implicitly deletes the document when
895 // the last view is deleted
896 doc->DeleteAllViews();
897
898 // Check we're really deleted
899 if (m_docs.Member(doc))
900 delete doc;
901
902 return true;
903 }
904 return false;
905 }
906
CloseDocuments(bool force)907 bool wxDocManager::CloseDocuments(bool force)
908 {
909 wxList::compatibility_iterator node = m_docs.GetFirst();
910 while (node)
911 {
912 wxDocument *doc = (wxDocument *)node->GetData();
913 wxList::compatibility_iterator next = node->GetNext();
914
915 if (!CloseDocument(doc, force))
916 return false;
917
918 // This assumes that documents are not connected in
919 // any way, i.e. deleting one document does NOT
920 // delete another.
921 node = next;
922 }
923 return true;
924 }
925
Clear(bool force)926 bool wxDocManager::Clear(bool force)
927 {
928 if (!CloseDocuments(force))
929 return false;
930
931 m_currentView = NULL;
932
933 wxList::compatibility_iterator node = m_templates.GetFirst();
934 while (node)
935 {
936 wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
937 wxList::compatibility_iterator next = node->GetNext();
938 delete templ;
939 node = next;
940 }
941 return true;
942 }
943
Initialize()944 bool wxDocManager::Initialize()
945 {
946 m_fileHistory = OnCreateFileHistory();
947 return true;
948 }
949
OnCreateFileHistory()950 wxFileHistory *wxDocManager::OnCreateFileHistory()
951 {
952 return new wxFileHistory;
953 }
954
OnFileClose(wxCommandEvent & WXUNUSED (event))955 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
956 {
957 wxDocument *doc = GetCurrentDocument();
958 if (!doc)
959 return;
960 if (doc->Close())
961 {
962 doc->DeleteAllViews();
963 if (m_docs.Member(doc))
964 delete doc;
965 }
966 }
967
OnFileCloseAll(wxCommandEvent & WXUNUSED (event))968 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
969 {
970 CloseDocuments(false);
971 }
972
OnFileNew(wxCommandEvent & WXUNUSED (event))973 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
974 {
975 CreateDocument( wxEmptyString, wxDOC_NEW );
976 }
977
OnFileOpen(wxCommandEvent & WXUNUSED (event))978 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
979 {
980 if ( !CreateDocument( wxEmptyString, 0) )
981 {
982 OnOpenFileFailure();
983 }
984 }
985
OnFileRevert(wxCommandEvent & WXUNUSED (event))986 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
987 {
988 wxDocument *doc = GetCurrentDocument();
989 if (!doc)
990 return;
991 doc->Revert();
992 }
993
OnFileSave(wxCommandEvent & WXUNUSED (event))994 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
995 {
996 wxDocument *doc = GetCurrentDocument();
997 if (!doc)
998 return;
999 doc->Save();
1000 }
1001
OnFileSaveAs(wxCommandEvent & WXUNUSED (event))1002 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
1003 {
1004 wxDocument *doc = GetCurrentDocument();
1005 if (!doc)
1006 return;
1007 doc->SaveAs();
1008 }
1009
OnPrint(wxCommandEvent & WXUNUSED (event))1010 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
1011 {
1012 #if wxUSE_PRINTING_ARCHITECTURE
1013 wxView *view = GetCurrentView();
1014 if (!view)
1015 return;
1016
1017 wxPrintout *printout = view->OnCreatePrintout();
1018 if (printout)
1019 {
1020 wxPrinter printer;
1021 printer.Print(view->GetFrame(), printout, true);
1022
1023 delete printout;
1024 }
1025 #endif // wxUSE_PRINTING_ARCHITECTURE
1026 }
1027
OnPreview(wxCommandEvent & WXUNUSED (event))1028 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
1029 {
1030 #if wxUSE_PRINTING_ARCHITECTURE
1031 wxBusyCursor busy;
1032 wxView *view = GetCurrentView();
1033 if (!view)
1034 return;
1035
1036 wxPrintout *printout = view->OnCreatePrintout();
1037 if (printout)
1038 {
1039 // Pass two printout objects: for preview, and possible printing.
1040 wxPrintPreviewBase *preview = new wxPrintPreview(printout, view->OnCreatePrintout());
1041 if ( !preview->Ok() )
1042 {
1043 delete preview;
1044 wxMessageBox( _("Sorry, print preview needs a printer to be installed.") );
1045 return;
1046 }
1047
1048 wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
1049 wxPoint(100, 100), wxSize(600, 650));
1050 frame->Centre(wxBOTH);
1051 frame->Initialize();
1052 frame->Show(true);
1053 }
1054 #endif // wxUSE_PRINTING_ARCHITECTURE
1055 }
1056
OnUndo(wxCommandEvent & event)1057 void wxDocManager::OnUndo(wxCommandEvent& event)
1058 {
1059 wxDocument *doc = GetCurrentDocument();
1060 if (!doc)
1061 return;
1062 if (doc->GetCommandProcessor())
1063 doc->GetCommandProcessor()->Undo();
1064 else
1065 event.Skip();
1066 }
1067
OnRedo(wxCommandEvent & event)1068 void wxDocManager::OnRedo(wxCommandEvent& event)
1069 {
1070 wxDocument *doc = GetCurrentDocument();
1071 if (!doc)
1072 return;
1073 if (doc->GetCommandProcessor())
1074 doc->GetCommandProcessor()->Redo();
1075 else
1076 event.Skip();
1077 }
1078
1079 // Handlers for UI update commands
1080
OnUpdateFileOpen(wxUpdateUIEvent & event)1081 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
1082 {
1083 event.Enable( true );
1084 }
1085
OnUpdateFileClose(wxUpdateUIEvent & event)1086 void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
1087 {
1088 wxDocument *doc = GetCurrentDocument();
1089 event.Enable( (doc != (wxDocument*) NULL) );
1090 }
1091
OnUpdateFileRevert(wxUpdateUIEvent & event)1092 void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
1093 {
1094 wxDocument *doc = GetCurrentDocument();
1095 event.Enable( (doc != (wxDocument*) NULL) );
1096 }
1097
OnUpdateFileNew(wxUpdateUIEvent & event)1098 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1099 {
1100 event.Enable( true );
1101 }
1102
OnUpdateFileSave(wxUpdateUIEvent & event)1103 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1104 {
1105 wxDocument *doc = GetCurrentDocument();
1106 event.Enable( doc && doc->IsModified() );
1107 }
1108
OnUpdateFileSaveAs(wxUpdateUIEvent & event)1109 void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
1110 {
1111 wxDocument *doc = GetCurrentDocument();
1112 event.Enable( (doc != (wxDocument*) NULL) );
1113 }
1114
OnUpdateUndo(wxUpdateUIEvent & event)1115 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1116 {
1117 wxDocument *doc = GetCurrentDocument();
1118 if (!doc)
1119 event.Enable(false);
1120 else if (!doc->GetCommandProcessor())
1121 event.Skip();
1122 else
1123 {
1124 event.Enable( doc->GetCommandProcessor()->CanUndo() );
1125 doc->GetCommandProcessor()->SetMenuStrings();
1126 }
1127 }
1128
OnUpdateRedo(wxUpdateUIEvent & event)1129 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1130 {
1131 wxDocument *doc = GetCurrentDocument();
1132 if (!doc)
1133 event.Enable(false);
1134 else if (!doc->GetCommandProcessor())
1135 event.Skip();
1136 else
1137 {
1138 event.Enable( doc->GetCommandProcessor()->CanRedo() );
1139 doc->GetCommandProcessor()->SetMenuStrings();
1140 }
1141 }
1142
OnUpdatePrint(wxUpdateUIEvent & event)1143 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
1144 {
1145 wxDocument *doc = GetCurrentDocument();
1146 event.Enable( (doc != (wxDocument*) NULL) );
1147 }
1148
OnUpdatePreview(wxUpdateUIEvent & event)1149 void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
1150 {
1151 wxDocument *doc = GetCurrentDocument();
1152 event.Enable( (doc != (wxDocument*) NULL) );
1153 }
1154
GetCurrentView() const1155 wxView *wxDocManager::GetCurrentView() const
1156 {
1157 if (m_currentView)
1158 return m_currentView;
1159 if (m_docs.GetCount() == 1)
1160 {
1161 wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
1162 return doc->GetFirstView();
1163 }
1164 return (wxView *) NULL;
1165 }
1166
1167 // Extend event processing to search the view's event table
ProcessEvent(wxEvent & event)1168 bool wxDocManager::ProcessEvent(wxEvent& event)
1169 {
1170 wxView* view = GetCurrentView();
1171 if (view)
1172 {
1173 if (view->ProcessEvent(event))
1174 return true;
1175 }
1176 return wxEvtHandler::ProcessEvent(event);
1177 }
1178
CreateDocument(const wxString & path,long flags)1179 wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
1180 {
1181 wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
1182 int n = 0;
1183
1184 for (size_t i = 0; i < m_templates.GetCount(); i++)
1185 {
1186 wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1187 if (temp->IsVisible())
1188 {
1189 templates[n] = temp;
1190 n ++;
1191 }
1192 }
1193 if (n == 0)
1194 {
1195 delete[] templates;
1196 return (wxDocument *) NULL;
1197 }
1198
1199 wxDocument* docToClose = NULL;
1200
1201 // If we've reached the max number of docs, close the
1202 // first one.
1203 if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1204 {
1205 wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
1206 docToClose = doc;
1207 }
1208
1209 // New document: user chooses a template, unless there's only one.
1210 if (flags & wxDOC_NEW)
1211 {
1212 if (n == 1)
1213 {
1214 if (docToClose)
1215 {
1216 if (!CloseDocument(docToClose, false))
1217 {
1218 delete[] templates;
1219 return NULL;
1220 }
1221 }
1222
1223 wxDocTemplate *temp = templates[0];
1224 delete[] templates;
1225 wxDocument *newDoc = temp->CreateDocument(path, flags);
1226
1227 if (newDoc)
1228 {
1229 newDoc->SetDocumentName(temp->GetDocumentName());
1230 newDoc->SetDocumentTemplate(temp);
1231 if (!newDoc->OnNewDocument() )
1232 {
1233 // Document is implicitly deleted by DeleteAllViews
1234 newDoc->DeleteAllViews();
1235 return NULL;
1236 }
1237 }
1238 return newDoc;
1239 }
1240
1241 wxDocTemplate *temp = SelectDocumentType(templates, n);
1242 delete[] templates;
1243 if (temp)
1244 {
1245 if (docToClose)
1246 {
1247 if (!CloseDocument(docToClose, false))
1248 {
1249 return NULL;
1250 }
1251 }
1252
1253 wxDocument *newDoc = temp->CreateDocument(path, flags);
1254
1255 if (newDoc)
1256 {
1257 newDoc->SetDocumentName(temp->GetDocumentName());
1258 newDoc->SetDocumentTemplate(temp);
1259 if (!newDoc->OnNewDocument() )
1260 {
1261 // Document is implicitly deleted by DeleteAllViews
1262 newDoc->DeleteAllViews();
1263 return NULL;
1264 }
1265 }
1266 return newDoc;
1267 }
1268 else
1269 return (wxDocument *) NULL;
1270 }
1271
1272 // Existing document
1273 wxDocTemplate *temp;
1274
1275 wxString path2 = path;
1276
1277 if (flags & wxDOC_SILENT)
1278 {
1279 temp = FindTemplateForPath(path2);
1280 if (!temp)
1281 {
1282 // Since we do not add files with non-default extensions to the FileHistory this
1283 // can only happen if the application changes the allowed templates in runtime.
1284 (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1285 _("Open File"),
1286 wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1287 }
1288 }
1289 else
1290 temp = SelectDocumentPath(templates, n, path2, flags);
1291
1292 delete[] templates;
1293
1294 if (temp)
1295 {
1296 if (docToClose)
1297 {
1298 if (!CloseDocument(docToClose, false))
1299 {
1300 return NULL;
1301 }
1302 }
1303
1304 //see if this file is already open
1305 for (size_t i = 0; i < GetDocuments().GetCount(); ++i)
1306 {
1307 wxDocument* currentDoc = (wxDocument*)(GetDocuments().Item(i)->GetData());
1308 #ifdef __WXMSW__
1309 //file paths are case-insensitive on Windows
1310 if (path2.CmpNoCase(currentDoc->GetFilename()) == 0)
1311 #else
1312 if (path2.Cmp(currentDoc->GetFilename()) == 0)
1313 #endif
1314 {
1315 //file already open. Just activate it and return
1316 if (currentDoc->GetFirstView())
1317 {
1318 ActivateView(currentDoc->GetFirstView(), true);
1319 if (currentDoc->GetDocumentWindow())
1320 currentDoc->GetDocumentWindow()->SetFocus();
1321 return currentDoc;
1322 }
1323 }
1324 }
1325
1326 wxDocument *newDoc = temp->CreateDocument(path2, flags);
1327 if (newDoc)
1328 {
1329 newDoc->SetDocumentName(temp->GetDocumentName());
1330 newDoc->SetDocumentTemplate(temp);
1331 if (!newDoc->OnOpenDocument(path2))
1332 {
1333 newDoc->DeleteAllViews();
1334 // delete newDoc; // Implicitly deleted by DeleteAllViews
1335 return (wxDocument *) NULL;
1336 }
1337 // A file that doesn't use the default extension of its document
1338 // template cannot be opened via the FileHistory, so we do not
1339 // add it.
1340 if (temp->FileMatchesTemplate(path2))
1341 AddFileToHistory(path2);
1342 }
1343 return newDoc;
1344 }
1345
1346 return (wxDocument *) NULL;
1347 }
1348
CreateView(wxDocument * doc,long flags)1349 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1350 {
1351 wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
1352 int n =0;
1353
1354 for (size_t i = 0; i < m_templates.GetCount(); i++)
1355 {
1356 wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1357 if (temp->IsVisible())
1358 {
1359 if (temp->GetDocumentName() == doc->GetDocumentName())
1360 {
1361 templates[n] = temp;
1362 n ++;
1363 }
1364 }
1365 }
1366 if (n == 0)
1367 {
1368 delete[] templates;
1369 return (wxView *) NULL;
1370 }
1371 if (n == 1)
1372 {
1373 wxDocTemplate *temp = templates[0];
1374 delete[] templates;
1375 wxView *view = temp->CreateView(doc, flags);
1376 if (view)
1377 view->SetViewName(temp->GetViewName());
1378 return view;
1379 }
1380
1381 wxDocTemplate *temp = SelectViewType(templates, n);
1382 delete[] templates;
1383 if (temp)
1384 {
1385 wxView *view = temp->CreateView(doc, flags);
1386 if (view)
1387 view->SetViewName(temp->GetViewName());
1388 return view;
1389 }
1390 else
1391 return (wxView *) NULL;
1392 }
1393
1394 // Not yet implemented
DeleteTemplate(wxDocTemplate * WXUNUSED (temp),long WXUNUSED (flags))1395 void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1396 {
1397 }
1398
1399 // Not yet implemented
FlushDoc(wxDocument * WXUNUSED (doc))1400 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1401 {
1402 return false;
1403 }
1404
GetCurrentDocument() const1405 wxDocument *wxDocManager::GetCurrentDocument() const
1406 {
1407 wxView *view = GetCurrentView();
1408 if (view)
1409 return view->GetDocument();
1410 else
1411 return (wxDocument *) NULL;
1412 }
1413
1414 // Make a default document name
MakeDefaultName(wxString & name)1415 bool wxDocManager::MakeDefaultName(wxString& name)
1416 {
1417 name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1418 m_defaultDocumentNameCounter++;
1419
1420 return true;
1421 }
1422
1423 // Make a frame title (override this to do something different)
1424 // If docName is empty, a document is not currently active.
MakeFrameTitle(wxDocument * doc)1425 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1426 {
1427 wxString appName = wxTheApp->GetAppName();
1428 wxString title;
1429 if (!doc)
1430 title = appName;
1431 else
1432 {
1433 wxString docName;
1434 doc->GetPrintableName(docName);
1435 title = docName + wxString(_(" - ")) + appName;
1436 }
1437 return title;
1438 }
1439
1440
1441 // Not yet implemented
MatchTemplate(const wxString & WXUNUSED (path))1442 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1443 {
1444 return (wxDocTemplate *) NULL;
1445 }
1446
1447 // File history management
AddFileToHistory(const wxString & file)1448 void wxDocManager::AddFileToHistory(const wxString& file)
1449 {
1450 if (m_fileHistory)
1451 m_fileHistory->AddFileToHistory(file);
1452 }
1453
RemoveFileFromHistory(size_t i)1454 void wxDocManager::RemoveFileFromHistory(size_t i)
1455 {
1456 if (m_fileHistory)
1457 m_fileHistory->RemoveFileFromHistory(i);
1458 }
1459
GetHistoryFile(size_t i) const1460 wxString wxDocManager::GetHistoryFile(size_t i) const
1461 {
1462 wxString histFile;
1463
1464 if (m_fileHistory)
1465 histFile = m_fileHistory->GetHistoryFile(i);
1466
1467 return histFile;
1468 }
1469
FileHistoryUseMenu(wxMenu * menu)1470 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1471 {
1472 if (m_fileHistory)
1473 m_fileHistory->UseMenu(menu);
1474 }
1475
FileHistoryRemoveMenu(wxMenu * menu)1476 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1477 {
1478 if (m_fileHistory)
1479 m_fileHistory->RemoveMenu(menu);
1480 }
1481
1482 #if wxUSE_CONFIG
FileHistoryLoad(wxConfigBase & config)1483 void wxDocManager::FileHistoryLoad(wxConfigBase& config)
1484 {
1485 if (m_fileHistory)
1486 m_fileHistory->Load(config);
1487 }
1488
FileHistorySave(wxConfigBase & config)1489 void wxDocManager::FileHistorySave(wxConfigBase& config)
1490 {
1491 if (m_fileHistory)
1492 m_fileHistory->Save(config);
1493 }
1494 #endif
1495
FileHistoryAddFilesToMenu(wxMenu * menu)1496 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1497 {
1498 if (m_fileHistory)
1499 m_fileHistory->AddFilesToMenu(menu);
1500 }
1501
FileHistoryAddFilesToMenu()1502 void wxDocManager::FileHistoryAddFilesToMenu()
1503 {
1504 if (m_fileHistory)
1505 m_fileHistory->AddFilesToMenu();
1506 }
1507
GetHistoryFilesCount() const1508 size_t wxDocManager::GetHistoryFilesCount() const
1509 {
1510 return m_fileHistory ? m_fileHistory->GetCount() : 0;
1511 }
1512
1513
1514 // Find out the document template via matching in the document file format
1515 // against that of the template
FindTemplateForPath(const wxString & path)1516 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1517 {
1518 wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
1519
1520 // Find the template which this extension corresponds to
1521 for (size_t i = 0; i < m_templates.GetCount(); i++)
1522 {
1523 wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1524 if ( temp->FileMatchesTemplate(path) )
1525 {
1526 theTemplate = temp;
1527 break;
1528 }
1529 }
1530 return theTemplate;
1531 }
1532
1533 // Try to get a more suitable parent frame than the top window,
1534 // for selection dialogs. Otherwise you may get an unexpected
1535 // window being activated when a dialog is shown.
wxFindSuitableParent()1536 static wxWindow* wxFindSuitableParent()
1537 {
1538 wxWindow* parent = wxTheApp->GetTopWindow();
1539
1540 wxWindow* focusWindow = wxWindow::FindFocus();
1541 if (focusWindow)
1542 {
1543 while (focusWindow &&
1544 !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
1545 !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
1546
1547 focusWindow = focusWindow->GetParent();
1548
1549 if (focusWindow)
1550 parent = focusWindow;
1551 }
1552 return parent;
1553 }
1554
1555 // Prompts user to open a file, using file specs in templates.
1556 // Must extend the file selector dialog or implement own; OR
1557 // match the extension to the template extension.
1558
SelectDocumentPath(wxDocTemplate ** templates,int noTemplates,wxString & path,long WXUNUSED (flags),bool WXUNUSED (save))1559 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1560 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1561 int noTemplates,
1562 #else
1563 int WXUNUSED(noTemplates),
1564 #endif
1565 wxString& path,
1566 long WXUNUSED(flags),
1567 bool WXUNUSED(save))
1568 {
1569 // We can only have multiple filters in Windows and GTK
1570 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1571 wxString descrBuf;
1572
1573 int i;
1574 for (i = 0; i < noTemplates; i++)
1575 {
1576 if (templates[i]->IsVisible())
1577 {
1578 // add a '|' to separate this filter from the previous one
1579 if ( !descrBuf.empty() )
1580 descrBuf << wxT('|');
1581
1582 descrBuf << templates[i]->GetDescription()
1583 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1584 << templates[i]->GetFileFilter();
1585 }
1586 }
1587 #else
1588 wxString descrBuf = wxT("*.*");
1589 #endif
1590
1591 int FilterIndex = -1;
1592
1593 wxWindow* parent = wxFindSuitableParent();
1594
1595 wxString pathTmp = wxFileSelectorEx(_("Select a file"),
1596 m_lastDirectory,
1597 wxEmptyString,
1598 &FilterIndex,
1599 descrBuf,
1600 0,
1601 parent);
1602
1603 wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
1604 if (!pathTmp.empty())
1605 {
1606 if (!wxFileExists(pathTmp))
1607 {
1608 wxString msgTitle;
1609 if (!wxTheApp->GetAppName().empty())
1610 msgTitle = wxTheApp->GetAppName();
1611 else
1612 msgTitle = wxString(_("File error"));
1613
1614 (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
1615 parent);
1616
1617 path = wxEmptyString;
1618 return (wxDocTemplate *) NULL;
1619 }
1620 m_lastDirectory = wxPathOnly(pathTmp);
1621
1622 path = pathTmp;
1623
1624 // first choose the template using the extension, if this fails (i.e.
1625 // wxFileSelectorEx() didn't fill it), then use the path
1626 if ( FilterIndex != -1 )
1627 theTemplate = templates[FilterIndex];
1628 if ( !theTemplate )
1629 theTemplate = FindTemplateForPath(path);
1630 if ( !theTemplate )
1631 {
1632 // Since we do not add files with non-default extensions to the FileHistory this
1633 // can only happen if the application changes the allowed templates in runtime.
1634 (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1635 _("Open File"),
1636 wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1637 }
1638 }
1639 else
1640 {
1641 path = wxEmptyString;
1642 }
1643
1644 return theTemplate;
1645 }
1646
SelectDocumentType(wxDocTemplate ** templates,int noTemplates,bool sort)1647 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1648 int noTemplates, bool sort)
1649 {
1650 wxArrayString strings;
1651 wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1652 int i;
1653 int n = 0;
1654
1655 for (i = 0; i < noTemplates; i++)
1656 {
1657 if (templates[i]->IsVisible())
1658 {
1659 int j;
1660 bool want = true;
1661 for (j = 0; j < n; j++)
1662 {
1663 //filter out NOT unique documents + view combinations
1664 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1665 templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1666 )
1667 want = false;
1668 }
1669
1670 if ( want )
1671 {
1672 strings.Add(templates[i]->m_description);
1673
1674 data[n] = templates[i];
1675 n ++;
1676 }
1677 }
1678 } // for
1679
1680 if (sort)
1681 {
1682 strings.Sort(); // ascending sort
1683 // Yes, this will be slow, but template lists
1684 // are typically short.
1685 int j;
1686 n = strings.Count();
1687 for (i = 0; i < n; i++)
1688 {
1689 for (j = 0; j < noTemplates; j++)
1690 {
1691 if (strings[i] == templates[j]->m_description)
1692 data[i] = templates[j];
1693 }
1694 }
1695 }
1696
1697 wxDocTemplate *theTemplate;
1698
1699 switch ( n )
1700 {
1701 case 0:
1702 // no visible templates, hence nothing to choose from
1703 theTemplate = NULL;
1704 break;
1705
1706 case 1:
1707 // don't propose the user to choose if he heas no choice
1708 theTemplate = data[0];
1709 break;
1710
1711 default:
1712 // propose the user to choose one of several
1713 theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1714 (
1715 _("Select a document template"),
1716 _("Templates"),
1717 strings,
1718 (void **)data,
1719 wxFindSuitableParent()
1720 );
1721 }
1722
1723 delete[] data;
1724
1725 return theTemplate;
1726 }
1727
SelectViewType(wxDocTemplate ** templates,int noTemplates,bool sort)1728 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1729 int noTemplates, bool sort)
1730 {
1731 wxArrayString strings;
1732 wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1733 int i;
1734 int n = 0;
1735
1736 for (i = 0; i < noTemplates; i++)
1737 {
1738 wxDocTemplate *templ = templates[i];
1739 if ( templ->IsVisible() && !templ->GetViewName().empty() )
1740 {
1741 int j;
1742 bool want = true;
1743 for (j = 0; j < n; j++)
1744 {
1745 //filter out NOT unique views
1746 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1747 want = false;
1748 }
1749
1750 if ( want )
1751 {
1752 strings.Add(templ->m_viewTypeName);
1753 data[n] = templ;
1754 n ++;
1755 }
1756 }
1757 }
1758
1759 if (sort)
1760 {
1761 strings.Sort(); // ascending sort
1762 // Yes, this will be slow, but template lists
1763 // are typically short.
1764 int j;
1765 n = strings.Count();
1766 for (i = 0; i < n; i++)
1767 {
1768 for (j = 0; j < noTemplates; j++)
1769 {
1770 if (strings[i] == templates[j]->m_viewTypeName)
1771 data[i] = templates[j];
1772 }
1773 }
1774 }
1775
1776 wxDocTemplate *theTemplate;
1777
1778 // the same logic as above
1779 switch ( n )
1780 {
1781 case 0:
1782 theTemplate = (wxDocTemplate *)NULL;
1783 break;
1784
1785 case 1:
1786 theTemplate = data[0];
1787 break;
1788
1789 default:
1790 theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1791 (
1792 _("Select a document view"),
1793 _("Views"),
1794 strings,
1795 (void **)data,
1796 wxFindSuitableParent()
1797 );
1798
1799 }
1800
1801 delete[] data;
1802 return theTemplate;
1803 }
1804
AssociateTemplate(wxDocTemplate * temp)1805 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1806 {
1807 if (!m_templates.Member(temp))
1808 m_templates.Append(temp);
1809 }
1810
DisassociateTemplate(wxDocTemplate * temp)1811 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1812 {
1813 m_templates.DeleteObject(temp);
1814 }
1815
1816 // Add and remove a document from the manager's list
AddDocument(wxDocument * doc)1817 void wxDocManager::AddDocument(wxDocument *doc)
1818 {
1819 if (!m_docs.Member(doc))
1820 m_docs.Append(doc);
1821 }
1822
RemoveDocument(wxDocument * doc)1823 void wxDocManager::RemoveDocument(wxDocument *doc)
1824 {
1825 m_docs.DeleteObject(doc);
1826 }
1827
1828 // Views or windows should inform the document manager
1829 // when a view is going in or out of focus
ActivateView(wxView * view,bool activate)1830 void wxDocManager::ActivateView(wxView *view, bool activate)
1831 {
1832 if ( activate )
1833 {
1834 m_currentView = view;
1835 }
1836 else // deactivate
1837 {
1838 if ( m_currentView == view )
1839 {
1840 // don't keep stale pointer
1841 m_currentView = (wxView *) NULL;
1842 }
1843 }
1844 }
1845
1846 // ----------------------------------------------------------------------------
1847 // Default document child frame
1848 // ----------------------------------------------------------------------------
1849
BEGIN_EVENT_TABLE(wxDocChildFrame,wxFrame)1850 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1851 EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1852 EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1853 END_EVENT_TABLE()
1854
1855 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1856 wxView *view,
1857 wxFrame *frame,
1858 wxWindowID id,
1859 const wxString& title,
1860 const wxPoint& pos,
1861 const wxSize& size,
1862 long style,
1863 const wxString& name)
1864 : wxFrame(frame, id, title, pos, size, style, name)
1865 {
1866 m_childDocument = doc;
1867 m_childView = view;
1868 if (view)
1869 view->SetFrame(this);
1870 }
1871
1872 // Extend event processing to search the view's event table
ProcessEvent(wxEvent & event)1873 bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1874 {
1875 if (m_childView)
1876 m_childView->Activate(true);
1877
1878 if ( !m_childView || ! m_childView->ProcessEvent(event) )
1879 {
1880 // Only hand up to the parent if it's a menu command
1881 if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1882 return wxEvtHandler::ProcessEvent(event);
1883 else
1884 return true;
1885 }
1886 else
1887 return true;
1888 }
1889
OnActivate(wxActivateEvent & event)1890 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1891 {
1892 wxFrame::OnActivate(event);
1893
1894 if (m_childView)
1895 m_childView->Activate(event.GetActive());
1896 }
1897
OnCloseWindow(wxCloseEvent & event)1898 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1899 {
1900 if (m_childView)
1901 {
1902 bool ans = event.CanVeto()
1903 ? m_childView->Close(false) // false means don't delete associated window
1904 : true; // Must delete.
1905
1906 if (ans)
1907 {
1908 m_childView->Activate(false);
1909 delete m_childView;
1910 m_childView = (wxView *) NULL;
1911 m_childDocument = (wxDocument *) NULL;
1912
1913 this->Destroy();
1914 }
1915 else
1916 event.Veto();
1917 }
1918 else
1919 event.Veto();
1920 }
1921
1922 // ----------------------------------------------------------------------------
1923 // Default parent frame
1924 // ----------------------------------------------------------------------------
1925
BEGIN_EVENT_TABLE(wxDocParentFrame,wxFrame)1926 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1927 EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1928 EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1929 EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1930 END_EVENT_TABLE()
1931
1932 wxDocParentFrame::wxDocParentFrame()
1933 {
1934 m_docManager = NULL;
1935 }
1936
wxDocParentFrame(wxDocManager * manager,wxFrame * frame,wxWindowID id,const wxString & title,const wxPoint & pos,const wxSize & size,long style,const wxString & name)1937 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1938 wxFrame *frame,
1939 wxWindowID id,
1940 const wxString& title,
1941 const wxPoint& pos,
1942 const wxSize& size,
1943 long style,
1944 const wxString& name)
1945 : wxFrame(frame, id, title, pos, size, style, name)
1946 {
1947 m_docManager = manager;
1948 }
1949
Create(wxDocManager * manager,wxFrame * frame,wxWindowID id,const wxString & title,const wxPoint & pos,const wxSize & size,long style,const wxString & name)1950 bool wxDocParentFrame::Create(wxDocManager *manager,
1951 wxFrame *frame,
1952 wxWindowID id,
1953 const wxString& title,
1954 const wxPoint& pos,
1955 const wxSize& size,
1956 long style,
1957 const wxString& name)
1958 {
1959 m_docManager = manager;
1960 return base_type::Create(frame, id, title, pos, size, style, name);
1961 }
1962
OnExit(wxCommandEvent & WXUNUSED (event))1963 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1964 {
1965 Close();
1966 }
1967
OnMRUFile(wxCommandEvent & event)1968 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1969 {
1970 int n = event.GetId() - wxID_FILE1; // the index in MRU list
1971 wxString filename(m_docManager->GetHistoryFile(n));
1972 if ( !filename.empty() )
1973 {
1974 // verify that the file exists before doing anything else
1975 if ( wxFile::Exists(filename) )
1976 {
1977 // try to open it
1978 if (!m_docManager->CreateDocument(filename, wxDOC_SILENT))
1979 {
1980 // remove the file from the MRU list. The user should already be notified.
1981 m_docManager->RemoveFileFromHistory(n);
1982
1983 wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."),
1984 filename.c_str());
1985 }
1986 }
1987 else
1988 {
1989 // remove the bogus filename from the MRU list and notify the user
1990 // about it
1991 m_docManager->RemoveFileFromHistory(n);
1992
1993 wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
1994 filename.c_str());
1995 }
1996 }
1997 }
1998
1999 // Extend event processing to search the view's event table
ProcessEvent(wxEvent & event)2000 bool wxDocParentFrame::ProcessEvent(wxEvent& event)
2001 {
2002 // Try the document manager, then do default processing
2003 if (!m_docManager || !m_docManager->ProcessEvent(event))
2004 return wxEvtHandler::ProcessEvent(event);
2005 else
2006 return true;
2007 }
2008
2009 // Define the behaviour for the frame closing
2010 // - must delete all frames except for the main one.
OnCloseWindow(wxCloseEvent & event)2011 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
2012 {
2013 if ( m_docManager && !m_docManager->Clear(!event.CanVeto()) )
2014 {
2015 // The user decided not to close finally, abort.
2016 event.Veto();
2017 }
2018 else
2019 {
2020 this->Destroy();
2021 }
2022 }
2023
2024 #if wxUSE_PRINTING_ARCHITECTURE
2025
wxDocPrintout(wxView * view,const wxString & title)2026 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
2027 : wxPrintout(title)
2028 {
2029 m_printoutView = view;
2030 }
2031
OnPrintPage(int WXUNUSED (page))2032 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
2033 {
2034 wxDC *dc = GetDC();
2035
2036 // Get the logical pixels per inch of screen and printer
2037 int ppiScreenX, ppiScreenY;
2038 GetPPIScreen(&ppiScreenX, &ppiScreenY);
2039 wxUnusedVar(ppiScreenY);
2040 int ppiPrinterX, ppiPrinterY;
2041 GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
2042 wxUnusedVar(ppiPrinterY);
2043
2044 // This scales the DC so that the printout roughly represents the
2045 // the screen scaling. The text point size _should_ be the right size
2046 // but in fact is too small for some reason. This is a detail that will
2047 // need to be addressed at some point but can be fudged for the
2048 // moment.
2049 float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
2050
2051 // Now we have to check in case our real page size is reduced
2052 // (e.g. because we're drawing to a print preview memory DC)
2053 int pageWidth, pageHeight;
2054 int w, h;
2055 dc->GetSize(&w, &h);
2056 GetPageSizePixels(&pageWidth, &pageHeight);
2057 wxUnusedVar(pageHeight);
2058
2059 // If printer pageWidth == current DC width, then this doesn't
2060 // change. But w might be the preview bitmap width, so scale down.
2061 float overallScale = scale * (float)(w/(float)pageWidth);
2062 dc->SetUserScale(overallScale, overallScale);
2063
2064 if (m_printoutView)
2065 {
2066 m_printoutView->OnDraw(dc);
2067 }
2068 return true;
2069 }
2070
HasPage(int pageNum)2071 bool wxDocPrintout::HasPage(int pageNum)
2072 {
2073 return (pageNum == 1);
2074 }
2075
OnBeginDocument(int startPage,int endPage)2076 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
2077 {
2078 if (!wxPrintout::OnBeginDocument(startPage, endPage))
2079 return false;
2080
2081 return true;
2082 }
2083
GetPageInfo(int * minPage,int * maxPage,int * selPageFrom,int * selPageTo)2084 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
2085 {
2086 *minPage = 1;
2087 *maxPage = 1;
2088 *selPageFrom = 1;
2089 *selPageTo = 1;
2090 }
2091
2092 #endif // wxUSE_PRINTING_ARCHITECTURE
2093
2094 // ----------------------------------------------------------------------------
2095 // File history processor
2096 // ----------------------------------------------------------------------------
2097
MYcopystring(const wxString & s)2098 static inline wxChar* MYcopystring(const wxString& s)
2099 {
2100 wxChar* copy = new wxChar[s.length() + 1];
2101 return wxStrcpy(copy, s.c_str());
2102 }
2103
MYcopystring(const wxChar * s)2104 static inline wxChar* MYcopystring(const wxChar* s)
2105 {
2106 wxChar* copy = new wxChar[wxStrlen(s) + 1];
2107 return wxStrcpy(copy, s);
2108 }
2109
wxFileHistory(size_t maxFiles,wxWindowID idBase)2110 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
2111 {
2112 m_fileMaxFiles = maxFiles;
2113 m_idBase = idBase;
2114 m_fileHistoryN = 0;
2115 m_fileHistory = new wxChar *[m_fileMaxFiles];
2116 }
2117
~wxFileHistory()2118 wxFileHistory::~wxFileHistory()
2119 {
2120 size_t i;
2121 for (i = 0; i < m_fileHistoryN; i++)
2122 delete[] m_fileHistory[i];
2123 delete[] m_fileHistory;
2124 }
2125
2126 // File history management
AddFileToHistory(const wxString & file)2127 void wxFileHistory::AddFileToHistory(const wxString& file)
2128 {
2129 size_t i;
2130
2131 // Check we don't already have this file
2132 for (i = 0; i < m_fileHistoryN; i++)
2133 {
2134 #if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names
2135 wxString testString;
2136 if ( m_fileHistory[i] )
2137 testString = m_fileHistory[i];
2138 if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) )
2139 #else
2140 if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) )
2141 #endif
2142 {
2143 // we do have it, move it to the top of the history
2144 RemoveFileFromHistory (i);
2145 AddFileToHistory (file);
2146 return;
2147 }
2148 }
2149
2150 // if we already have a full history, delete the one at the end
2151 if ( m_fileMaxFiles == m_fileHistoryN )
2152 {
2153 RemoveFileFromHistory (m_fileHistoryN - 1);
2154 AddFileToHistory (file);
2155 return;
2156 }
2157
2158 // Add to the project file history:
2159 // Move existing files (if any) down so we can insert file at beginning.
2160 if (m_fileHistoryN < m_fileMaxFiles)
2161 {
2162 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2163 while (node)
2164 {
2165 wxMenu* menu = (wxMenu*) node->GetData();
2166 if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() )
2167 {
2168 menu->AppendSeparator();
2169 }
2170 menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]"));
2171 node = node->GetNext();
2172 }
2173 m_fileHistoryN ++;
2174 }
2175 // Shuffle filenames down
2176 for (i = (m_fileHistoryN-1); i > 0; i--)
2177 {
2178 m_fileHistory[i] = m_fileHistory[i-1];
2179 }
2180 m_fileHistory[0] = MYcopystring(file);
2181
2182 // this is the directory of the last opened file
2183 wxString pathCurrent;
2184 wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
2185 for (i = 0; i < m_fileHistoryN; i++)
2186 {
2187 if ( m_fileHistory[i] )
2188 {
2189 // if in same directory just show the filename; otherwise the full
2190 // path
2191 wxString pathInMenu, path, filename, ext;
2192 wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
2193 if ( path == pathCurrent )
2194 {
2195 pathInMenu = filename;
2196 if ( !ext.empty() )
2197 pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
2198 }
2199 else
2200 {
2201 // absolute path; could also set relative path
2202 pathInMenu = m_fileHistory[i];
2203 }
2204
2205 // we need to quote '&' characters which are used for mnemonics
2206 pathInMenu.Replace(_T("&"), _T("&&"));
2207 wxString buf;
2208 buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
2209 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2210 while (node)
2211 {
2212 wxMenu* menu = (wxMenu*) node->GetData();
2213 menu->SetLabel(m_idBase + i, buf);
2214 node = node->GetNext();
2215 }
2216 }
2217 }
2218 }
2219
RemoveFileFromHistory(size_t i)2220 void wxFileHistory::RemoveFileFromHistory(size_t i)
2221 {
2222 wxCHECK_RET( i < m_fileHistoryN,
2223 wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2224
2225 // delete the element from the array (could use memmove() too...)
2226 delete [] m_fileHistory[i];
2227
2228 size_t j;
2229 for ( j = i; j < m_fileHistoryN - 1; j++ )
2230 {
2231 m_fileHistory[j] = m_fileHistory[j + 1];
2232 }
2233
2234 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2235 while ( node )
2236 {
2237 wxMenu* menu = (wxMenu*) node->GetData();
2238
2239 // shuffle filenames up
2240 wxString buf;
2241 for ( j = i; j < m_fileHistoryN - 1; j++ )
2242 {
2243 buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2244 menu->SetLabel(m_idBase + j, buf);
2245 }
2246
2247 node = node->GetNext();
2248
2249 // delete the last menu item which is unused now
2250 wxWindowID lastItemId = m_idBase + wx_truncate_cast(wxWindowID, m_fileHistoryN) - 1;
2251 if (menu->FindItem(lastItemId))
2252 {
2253 menu->Delete(lastItemId);
2254 }
2255
2256 // delete the last separator too if no more files are left
2257 if ( m_fileHistoryN == 1 )
2258 {
2259 wxMenuItemList::compatibility_iterator nodeLast = menu->GetMenuItems().GetLast();
2260 if ( nodeLast )
2261 {
2262 wxMenuItem *menuItem = nodeLast->GetData();
2263 if ( menuItem->IsSeparator() )
2264 {
2265 menu->Delete(menuItem);
2266 }
2267 //else: should we search backwards for the last separator?
2268 }
2269 //else: menu is empty somehow
2270 }
2271 }
2272
2273 m_fileHistoryN--;
2274 }
2275
GetHistoryFile(size_t i) const2276 wxString wxFileHistory::GetHistoryFile(size_t i) const
2277 {
2278 wxString s;
2279 if ( i < m_fileHistoryN )
2280 {
2281 s = m_fileHistory[i];
2282 }
2283 else
2284 {
2285 wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2286 }
2287
2288 return s;
2289 }
2290
UseMenu(wxMenu * menu)2291 void wxFileHistory::UseMenu(wxMenu *menu)
2292 {
2293 if (!m_fileMenus.Member(menu))
2294 m_fileMenus.Append(menu);
2295 }
2296
RemoveMenu(wxMenu * menu)2297 void wxFileHistory::RemoveMenu(wxMenu *menu)
2298 {
2299 m_fileMenus.DeleteObject(menu);
2300 }
2301
2302 #if wxUSE_CONFIG
Load(wxConfigBase & config)2303 void wxFileHistory::Load(wxConfigBase& config)
2304 {
2305 m_fileHistoryN = 0;
2306 wxString buf;
2307 buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2308 wxString historyFile;
2309 while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (!historyFile.empty()))
2310 {
2311 m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile);
2312 m_fileHistoryN ++;
2313 buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2314 historyFile = wxEmptyString;
2315 }
2316 AddFilesToMenu();
2317 }
2318
Save(wxConfigBase & config)2319 void wxFileHistory::Save(wxConfigBase& config)
2320 {
2321 size_t i;
2322 for (i = 0; i < m_fileMaxFiles; i++)
2323 {
2324 wxString buf;
2325 buf.Printf(wxT("file%d"), (int)i+1);
2326 if (i < m_fileHistoryN)
2327 config.Write(buf, wxString(m_fileHistory[i]));
2328 else
2329 config.Write(buf, wxEmptyString);
2330 }
2331 }
2332 #endif // wxUSE_CONFIG
2333
AddFilesToMenu()2334 void wxFileHistory::AddFilesToMenu()
2335 {
2336 if (m_fileHistoryN > 0)
2337 {
2338 wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2339 while (node)
2340 {
2341 wxMenu* menu = (wxMenu*) node->GetData();
2342 if (menu->GetMenuItemCount())
2343 {
2344 menu->AppendSeparator();
2345 }
2346
2347 size_t i;
2348 for (i = 0; i < m_fileHistoryN; i++)
2349 {
2350 if (m_fileHistory[i])
2351 {
2352 wxString buf;
2353 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2354 menu->Append(m_idBase+i, buf);
2355 }
2356 }
2357 node = node->GetNext();
2358 }
2359 }
2360 }
2361
AddFilesToMenu(wxMenu * menu)2362 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2363 {
2364 if (m_fileHistoryN > 0)
2365 {
2366 if (menu->GetMenuItemCount())
2367 {
2368 menu->AppendSeparator();
2369 }
2370
2371 size_t i;
2372 for (i = 0; i < m_fileHistoryN; i++)
2373 {
2374 if (m_fileHistory[i])
2375 {
2376 wxString buf;
2377 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2378 menu->Append(m_idBase+i, buf);
2379 }
2380 }
2381 }
2382 }
2383
2384 // ----------------------------------------------------------------------------
2385 // Permits compatibility with existing file formats and functions that
2386 // manipulate files directly
2387 // ----------------------------------------------------------------------------
2388
2389 #if wxUSE_STD_IOSTREAM
2390
wxTransferFileToStream(const wxString & filename,wxSTD ostream & stream)2391 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2392 {
2393 wxFFile file(filename, _T("rb"));
2394 if ( !file.IsOpened() )
2395 return false;
2396
2397 char buf[4096];
2398
2399 size_t nRead;
2400 do
2401 {
2402 nRead = file.Read(buf, WXSIZEOF(buf));
2403 if ( file.Error() )
2404 return false;
2405
2406 stream.write(buf, nRead);
2407 if ( !stream )
2408 return false;
2409 }
2410 while ( !file.Eof() );
2411
2412 return true;
2413 }
2414
wxTransferStreamToFile(wxSTD istream & stream,const wxString & filename)2415 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2416 {
2417 wxFFile file(filename, _T("wb"));
2418 if ( !file.IsOpened() )
2419 return false;
2420
2421 char buf[4096];
2422 do
2423 {
2424 stream.read(buf, WXSIZEOF(buf));
2425 if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2426 {
2427 if ( !file.Write(buf, stream.gcount()) )
2428 return false;
2429 }
2430 }
2431 while ( !stream.eof() );
2432
2433 return true;
2434 }
2435
2436 #else // !wxUSE_STD_IOSTREAM
2437
wxTransferFileToStream(const wxString & filename,wxOutputStream & stream)2438 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2439 {
2440 wxFFile file(filename, _T("rb"));
2441 if ( !file.IsOpened() )
2442 return false;
2443
2444 char buf[4096];
2445
2446 size_t nRead;
2447 do
2448 {
2449 nRead = file.Read(buf, WXSIZEOF(buf));
2450 if ( file.Error() )
2451 return false;
2452
2453 stream.Write(buf, nRead);
2454 if ( !stream )
2455 return false;
2456 }
2457 while ( !file.Eof() );
2458
2459 return true;
2460 }
2461
wxTransferStreamToFile(wxInputStream & stream,const wxString & filename)2462 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2463 {
2464 wxFFile file(filename, _T("wb"));
2465 if ( !file.IsOpened() )
2466 return false;
2467
2468 char buf[4096];
2469 for ( ;; )
2470 {
2471 stream.Read(buf, WXSIZEOF(buf));
2472
2473 const size_t nRead = stream.LastRead();
2474 if ( !nRead )
2475 {
2476 if ( stream.Eof() )
2477 break;
2478
2479 return false;
2480 }
2481
2482 if ( !file.Write(buf, nRead) )
2483 return false;
2484 }
2485
2486 return true;
2487 }
2488
2489 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2490
2491 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
2492