src/common/docview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/docview.cpp
   3 // Purpose:     Document/view classes
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   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 #if wxUSE_PRINTING_ARCHITECTURE
  48     #include "wx/prntbase.h"
  49     #include "wx/printdlg.h"
  50 #endif
  51
  52 #include "wx/confbase.h"
  53 #include "wx/filename.h"
  54 #include "wx/file.h"
  55 #include "wx/ffile.h"
  56 #include "wx/cmdproc.h"
  57 #include "wx/tokenzr.h"
  58 #include "wx/filename.h"
  59 #include "wx/vector.h"
  60 #include "wx/ptr_scpd.h"
  61
  62 #if wxUSE_STD_IOSTREAM
  63     #include "wx/ioswrap.h"
  64     #include "wx/beforestd.h"
  65     #if wxUSE_IOSTREAMH
  66         #include <fstream.h>
  67     #else
  68         #include <fstream>
  69     #endif
  70     #include "wx/afterstd.h"
  71 #else
  72     #include "wx/wfstream.h"
  73 #endif
  74
  75 typedef wxVector<wxDocTemplate *> wxDocTemplates;
  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 // implementation
  96 // ============================================================================
  97
  98 // ----------------------------------------------------------------------------
  99 // private helpers
 100 // ----------------------------------------------------------------------------
 101
 102 namespace
 103 {
 104
 105 wxWindow *wxFindSuitableParent()
 106 {
 107     wxWindow * const win = wxGetTopLevelParent(wxWindow::FindFocus());
 108
 109     return win ? win : wxTheApp->GetTopWindow();
 110 }
 111
 112 wxString FindExtension(const wxString& path)
 113 {
 114     wxString ext;
 115     wxFileName::SplitPath(path, NULL, NULL, &ext);
 116
 117     // VZ: extensions are considered not case sensitive - is this really a good
 118     //     idea?
 119     return ext.MakeLower();
 120 }
 121
 122 // return the string used for the MRU list items in the menu
 123 //
 124 // NB: the index n is 0-based, as usual, but the strings start from 1
 125 wxString GetMRUEntryLabel(int n, const wxString& path)
 126 {
 127     // we need to quote '&' characters which are used for mnemonics
 128     wxString pathInMenu(path);
 129     pathInMenu.Replace("&", "&&");
 130
 131     return wxString::Format("&%d %s", n + 1, pathInMenu);
 132 }
 133
 134 } // anonymous namespace
 135
 136 // ----------------------------------------------------------------------------
 137 // Definition of wxDocument
 138 // ----------------------------------------------------------------------------
 139
 140 wxDocument::wxDocument(wxDocument *parent)
 141 {
 142     m_documentModified = false;
 143     m_documentParent = parent;
 144     m_documentTemplate = NULL;
 145     m_commandProcessor = NULL;
 146     m_savedYet = false;
 147 }
 148
 149 bool wxDocument::DeleteContents()
 150 {
 151     return true;
 152 }
 153
 154 wxDocument::~wxDocument()
 155 {
 156     DeleteContents();
 157
 158     if (m_commandProcessor)
 159         delete m_commandProcessor;
 160
 161     if (GetDocumentManager())
 162         GetDocumentManager()->RemoveDocument(this);
 163
 164     // Not safe to do here, since it'll invoke virtual view functions
 165     // expecting to see valid derived objects: and by the time we get here,
 166     // we've called destructors higher up.
 167     //DeleteAllViews();
 168 }
 169
 170 bool wxDocument::Close()
 171 {
 172     if (OnSaveModified())
 173         return OnCloseDocument();
 174     else
 175         return false;
 176 }
 177
 178 bool wxDocument::OnCloseDocument()
 179 {
 180     // Tell all views that we're about to close
 181     NotifyClosing();
 182     DeleteContents();
 183     Modify(false);
 184     return true;
 185 }
 186
 187 // Note that this implicitly deletes the document when the last view is
 188 // deleted.
 189 bool wxDocument::DeleteAllViews()
 190 {
 191     wxDocManager* manager = GetDocumentManager();
 192
 193     // first check if all views agree to be closed
 194     const wxList::iterator end = m_documentViews.end();
 195     for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
 196     {
 197         wxView *view = (wxView *)*i;
 198         if ( !view->Close() )
 199             return false;
 200     }
 201
 202     // all views agreed to close, now do close them
 203     if ( m_documentViews.empty() )
 204     {
 205         // normally the document would be implicitly deleted when the last view
 206         // is, but if don't have any views, do it here instead
 207         if ( manager && manager->GetDocuments().Member(this) )
 208             delete this;
 209     }
 210     else // have views
 211     {
 212         // as we delete elements we iterate over, don't use the usual "from
 213         // begin to end" loop
 214         for ( ;; )
 215         {
 216             wxView *view = (wxView *)*m_documentViews.begin();
 217
 218             bool isLastOne = m_documentViews.size() == 1;
 219
 220             // this always deletes the node implicitly and if this is the last
 221             // view also deletes this object itself (also implicitly, great),
 222             // so we can't test for m_documentViews.empty() after calling this!
 223             delete view;
 224
 225             if ( isLastOne )
 226                 break;
 227         }
 228     }
 229
 230     return true;
 231 }
 232
 233 wxView *wxDocument::GetFirstView() const
 234 {
 235     if (m_documentViews.GetCount() == 0)
 236         return NULL;
 237     return (wxView *)m_documentViews.GetFirst()->GetData();
 238 }
 239
 240 wxDocManager *wxDocument::GetDocumentManager() const
 241 {
 242     return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
 243 }
 244
 245 bool wxDocument::OnNewDocument()
 246 {
 247     if ( !OnSaveModified() )
 248         return false;
 249
 250     DeleteContents();
 251     Modify(false);
 252     SetDocumentSaved(false);
 253
 254     const wxString name = GetDocumentManager()->MakeNewDocumentName();
 255     SetTitle(name);
 256     SetFilename(name, true);
 257
 258     return true;
 259 }
 260
 261 bool wxDocument::Save()
 262 {
 263     if ( AlreadySaved() )
 264         return true;
 265
 266     if ( m_documentFile.empty() || !m_savedYet )
 267         return SaveAs();
 268
 269     return OnSaveDocument(m_documentFile);
 270 }
 271
 272 bool wxDocument::SaveAs()
 273 {
 274     wxDocTemplate *docTemplate = GetDocumentTemplate();
 275     if (!docTemplate)
 276         return false;
 277
 278 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
 279     wxString filter = docTemplate->GetDescription() + wxT(" (") + docTemplate->GetFileFilter() + wxT(")|") + docTemplate->GetFileFilter();
 280
 281     // Now see if there are some other template with identical view and document
 282     // classes, whose filters may also be used.
 283
 284     if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
 285     {
 286         wxList::compatibility_iterator node = docTemplate->GetDocumentManager()->GetTemplates().GetFirst();
 287         while (node)
 288         {
 289             wxDocTemplate *t = (wxDocTemplate*) node->GetData();
 290
 291             if (t->IsVisible() && t != docTemplate &&
 292                 t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
 293                 t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
 294             {
 295                 // add a '|' to separate this filter from the previous one
 296                 if ( !filter.empty() )
 297                     filter << wxT('|');
 298
 299                 filter << t->GetDescription() << wxT(" (") << t->GetFileFilter() << wxT(") |")
 300                        << t->GetFileFilter();
 301             }
 302
 303             node = node->GetNext();
 304         }
 305     }
 306 #else
 307     wxString filter = docTemplate->GetFileFilter() ;
 308 #endif
 309     wxString defaultDir = docTemplate->GetDirectory();
 310     if (defaultDir.IsEmpty())
 311         defaultDir = wxPathOnly(GetFilename());
 312
 313     wxString fileName = wxFileSelector(_("Save As"),
 314             defaultDir,
 315             wxFileNameFromPath(GetFilename()),
 316             docTemplate->GetDefaultExtension(),
 317             filter,
 318             wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
 319             GetDocumentWindow());
 320
 321     if (fileName.empty())
 322         return false;
 323
 324     wxString ext;
 325     wxFileName::SplitPath(fileName, NULL, NULL, &ext);
 326
 327     if (ext.empty())
 328     {
 329         fileName += wxT(".");
 330         fileName += docTemplate->GetDefaultExtension();
 331     }
 332
 333     // Files that were not saved correctly are not added to the FileHistory.
 334     if (!OnSaveDocument(fileName))
 335         return false;
 336
 337     SetTitle(wxFileNameFromPath(fileName));
 338     SetFilename(fileName, true);    // will call OnChangeFileName automatically
 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
 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 #if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
 366     wxFileName fn(file) ;
 367     fn.MacSetDefaultTypeAndCreator() ;
 368 #endif
 369     return true;
 370 }
 371
 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
 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
 399 wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
 400 #else
 401 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
 402 #endif
 403 {
 404     return stream;
 405 }
 406
 407 bool wxDocument::Revert()
 408 {
 409     return false;
 410 }
 411
 412
 413 // Get title, or filename if no title, else unnamed
 414 #if WXWIN_COMPATIBILITY_2_8
 415 bool wxDocument::GetPrintableName(wxString& buf) const
 416 {
 417     // this function can not only be overridden by the user code but also
 418     // called by it so we need to ensure that we return the same thing as
 419     // GetUserReadableName() but we can't call it because this would result in
 420     // an infinite recursion, hence we use the helper DoGetUserReadableName()
 421     buf = DoGetUserReadableName();
 422
 423     return true;
 424 }
 425 #endif // WXWIN_COMPATIBILITY_2_8
 426
 427 wxString wxDocument::GetUserReadableName() const
 428 {
 429 #if WXWIN_COMPATIBILITY_2_8
 430     // we need to call the old virtual function to ensure that the overridden
 431     // version of it is still called
 432     wxString name;
 433     if ( GetPrintableName(name) )
 434         return name;
 435 #endif // WXWIN_COMPATIBILITY_2_8
 436
 437     return DoGetUserReadableName();
 438 }
 439
 440 wxString wxDocument::DoGetUserReadableName() const
 441 {
 442     if ( !m_documentTitle.empty() )
 443         return m_documentTitle;
 444
 445     if ( !m_documentFile.empty() )
 446         return wxFileNameFromPath(m_documentFile);
 447
 448     return _("unnamed");
 449 }
 450
 451 wxWindow *wxDocument::GetDocumentWindow() const
 452 {
 453     wxView *view = GetFirstView();
 454     if (view)
 455         return view->GetFrame();
 456     else
 457         return wxTheApp->GetTopWindow();
 458 }
 459
 460 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
 461 {
 462     return new wxCommandProcessor;
 463 }
 464
 465 // true if safe to close
 466 bool wxDocument::OnSaveModified()
 467 {
 468     if ( IsModified() )
 469     {
 470         switch ( wxMessageBox
 471                  (
 472                     wxString::Format
 473                     (
 474                      _("Do you want to save changes to document %s?"),
 475                      GetUserReadableName()
 476                     ),
 477                     wxTheApp->GetAppDisplayName(),
 478                     wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE,
 479                     wxFindSuitableParent()
 480                  ) )
 481         {
 482             case wxNO:
 483                 Modify(false);
 484                 break;
 485
 486             case wxYES:
 487                 return Save();
 488
 489             case wxCANCEL:
 490                 return false;
 491         }
 492     }
 493
 494     return true;
 495 }
 496
 497 bool wxDocument::Draw(wxDC& WXUNUSED(context))
 498 {
 499     return true;
 500 }
 501
 502 bool wxDocument::AddView(wxView *view)
 503 {
 504     if ( !m_documentViews.Member(view) )
 505     {
 506         m_documentViews.Append(view);
 507         OnChangedViewList();
 508     }
 509     return true;
 510 }
 511
 512 bool wxDocument::RemoveView(wxView *view)
 513 {
 514     (void)m_documentViews.DeleteObject(view);
 515     OnChangedViewList();
 516     return true;
 517 }
 518
 519 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
 520 {
 521     return GetDocumentTemplate()->CreateView(this, flags) != NULL;
 522 }
 523
 524 // Called after a view is added or removed.
 525 // The default implementation deletes the document if
 526 // there are no more views.
 527 void wxDocument::OnChangedViewList()
 528 {
 529     if ( m_documentViews.empty() && OnSaveModified() )
 530         delete this;
 531 }
 532
 533 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
 534 {
 535     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 536     while (node)
 537     {
 538         wxView *view = (wxView *)node->GetData();
 539         if (view != sender)
 540             view->OnUpdate(sender, hint);
 541         node = node->GetNext();
 542     }
 543 }
 544
 545 void wxDocument::NotifyClosing()
 546 {
 547     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 548     while (node)
 549     {
 550         wxView *view = (wxView *)node->GetData();
 551         view->OnClosingDocument();
 552         node = node->GetNext();
 553     }
 554 }
 555
 556 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
 557 {
 558     m_documentFile = filename;
 559     OnChangeFilename(notifyViews);
 560 }
 561
 562 void wxDocument::OnChangeFilename(bool notifyViews)
 563 {
 564     if ( notifyViews )
 565     {
 566         // Notify the views that the filename has changed
 567         wxList::compatibility_iterator node = m_documentViews.GetFirst();
 568         while (node)
 569         {
 570             wxView *view = (wxView *)node->GetData();
 571             view->OnChangeFilename();
 572             node = node->GetNext();
 573         }
 574     }
 575 }
 576
 577 bool wxDocument::DoSaveDocument(const wxString& file)
 578 {
 579 #if wxUSE_STD_IOSTREAM
 580     wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
 581     if ( !store )
 582 #else
 583     wxFileOutputStream store(file);
 584     if ( store.GetLastError() != wxSTREAM_NO_ERROR )
 585 #endif
 586     {
 587         wxLogError(_("File \"%s\" could not be opened for writing."), file);
 588         return false;
 589     }
 590
 591     if (!SaveObject(store))
 592     {
 593         wxLogError(_("Failed to save document to the file \"%s\"."), file);
 594         return false;
 595     }
 596
 597     return true;
 598 }
 599
 600 bool wxDocument::DoOpenDocument(const wxString& file)
 601 {
 602 #if wxUSE_STD_IOSTREAM
 603     wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
 604     if ( !store )
 605 #else
 606     wxFileInputStream store(file);
 607     if (store.GetLastError() != wxSTREAM_NO_ERROR || !store.IsOk())
 608 #endif
 609     {
 610         wxLogError(_("File \"%s\" could not be opened for reading."), file);
 611         return false;
 612     }
 613
 614 #if wxUSE_STD_IOSTREAM
 615     LoadObject(store);
 616     if ( !store )
 617 #else
 618     int res = LoadObject(store).GetLastError();
 619     if ( res != wxSTREAM_NO_ERROR && res != wxSTREAM_EOF )
 620 #endif
 621     {
 622         wxLogError(_("Failed to read document from the file \"%s\"."), file);
 623         return false;
 624     }
 625
 626     return true;
 627 }
 628
 629
 630 // ----------------------------------------------------------------------------
 631 // Document view
 632 // ----------------------------------------------------------------------------
 633
 634 wxView::wxView()
 635 {
 636     m_viewDocument = NULL;
 637
 638     m_viewFrame = NULL;
 639 }
 640
 641 wxView::~wxView()
 642 {
 643     GetDocumentManager()->ActivateView(this, false);
 644     m_viewDocument->RemoveView(this);
 645 }
 646
 647 bool wxView::TryValidator(wxEvent& event)
 648 {
 649     wxDocument * const doc = GetDocument();
 650     return doc && doc->ProcessEventHere(event);
 651 }
 652
 653 void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
 654 {
 655 }
 656
 657 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
 658 {
 659     OnDraw(dc);
 660 }
 661
 662 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
 663 {
 664 }
 665
 666 void wxView::OnChangeFilename()
 667 {
 668     // GetFrame can return wxWindow rather than wxTopLevelWindow due to
 669     // generic MDI implementation so use SetLabel rather than SetTitle.
 670     // It should cause SetTitle() for top level windows.
 671     wxWindow *win = GetFrame();
 672     if (!win) return;
 673
 674     wxDocument *doc = GetDocument();
 675     if (!doc) return;
 676
 677     win->SetLabel(doc->GetUserReadableName());
 678 }
 679
 680 void wxView::SetDocument(wxDocument *doc)
 681 {
 682     m_viewDocument = doc;
 683     if (doc)
 684         doc->AddView(this);
 685 }
 686
 687 bool wxView::Close(bool deleteWindow)
 688 {
 689     return OnClose(deleteWindow);
 690 }
 691
 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
 701 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
 702 {
 703     return GetDocument() ? GetDocument()->Close() : true;
 704 }
 705
 706 #if wxUSE_PRINTING_ARCHITECTURE
 707 wxPrintout *wxView::OnCreatePrintout()
 708 {
 709     return new wxDocPrintout(this);
 710 }
 711 #endif // wxUSE_PRINTING_ARCHITECTURE
 712
 713 // ----------------------------------------------------------------------------
 714 // wxDocTemplate
 715 // ----------------------------------------------------------------------------
 716
 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
 742 wxDocTemplate::~wxDocTemplate()
 743 {
 744     m_documentManager->DisassociateTemplate(this);
 745 }
 746
 747 // Tries to dynamically construct an object of the right class.
 748 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
 749 {
 750     wxDocument * const doc = DoCreateDocument();
 751
 752     // VZ: this code doesn't delete doc if InitDocument() (i.e. doc->OnCreate())
 753     //     fails, is this intentional?
 754
 755     return doc && InitDocument(doc, path, flags) ? doc : NULL;
 756 }
 757
 758 bool
 759 wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
 760 {
 761     doc->SetFilename(path);
 762     doc->SetDocumentTemplate(this);
 763     GetDocumentManager()->AddDocument(doc);
 764     doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
 765
 766     if (doc->OnCreate(path, flags))
 767         return true;
 768     else
 769     {
 770         if (GetDocumentManager()->GetDocuments().Member(doc))
 771             doc->DeleteAllViews();
 772         return false;
 773     }
 774 }
 775
 776 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
 777 {
 778     wxScopedPtr<wxView> view(DoCreateView());
 779     if ( !view )
 780         return NULL;
 781
 782     view->SetDocument(doc);
 783     if ( !view->OnCreate(doc, flags) )
 784         return NULL;
 785
 786     return view.release();
 787 }
 788
 789 // The default (very primitive) format detection: check is the extension is
 790 // that of the template
 791 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
 792 {
 793     wxStringTokenizer parser (GetFileFilter(), wxT(";"));
 794     wxString anything = wxT ("*");
 795     while (parser.HasMoreTokens())
 796     {
 797         wxString filter = parser.GetNextToken();
 798         wxString filterExt = FindExtension (filter);
 799         if ( filter.IsSameAs (anything)    ||
 800              filterExt.IsSameAs (anything) ||
 801              filterExt.IsSameAs (FindExtension (path)) )
 802             return true;
 803     }
 804     return GetDefaultExtension().IsSameAs(FindExtension(path));
 805 }
 806
 807 wxDocument *wxDocTemplate::DoCreateDocument()
 808 {
 809     if (!m_docClassInfo)
 810         return NULL;
 811
 812     return (wxDocument *)m_docClassInfo->CreateObject();
 813 }
 814
 815 wxView *wxDocTemplate::DoCreateView()
 816 {
 817     if (!m_viewClassInfo)
 818         return NULL;
 819
 820     return (wxView *)m_viewClassInfo->CreateObject();
 821 }
 822
 823 // ----------------------------------------------------------------------------
 824 // wxDocManager
 825 // ----------------------------------------------------------------------------
 826
 827 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
 828     EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
 829     EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
 830     EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
 831     EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
 832     EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
 833     EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
 834     EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
 835     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
 836     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
 837
 838     EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
 839     EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateDisableIfNoDoc)
 840     EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateDisableIfNoDoc)
 841     EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateDisableIfNoDoc)
 842     EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
 843     EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
 844     EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateDisableIfNoDoc)
 845     EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
 846     EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
 847
 848 #if wxUSE_PRINTING_ARCHITECTURE
 849     EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
 850     EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
 851
 852     EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdateDisableIfNoDoc)
 853     EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
 854 #endif
 855 END_EVENT_TABLE()
 856
 857 wxDocManager* wxDocManager::sm_docManager = NULL;
 858
 859 wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
 860 {
 861     wxASSERT_MSG( !sm_docManager, "multiple wxDocManagers not allowed" );
 862
 863     sm_docManager = this;
 864
 865     m_defaultDocumentNameCounter = 1;
 866     m_currentView = NULL;
 867     m_maxDocsOpen = INT_MAX;
 868     m_fileHistory = NULL;
 869     if ( initialize )
 870         Initialize();
 871 }
 872
 873 wxDocManager::~wxDocManager()
 874 {
 875     Clear();
 876     delete m_fileHistory;
 877     sm_docManager = NULL;
 878 }
 879
 880 // closes the specified document
 881 bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
 882 {
 883     if (doc->Close() || force)
 884     {
 885         // Implicitly deletes the document when
 886         // the last view is deleted
 887         doc->DeleteAllViews();
 888
 889         // Check we're really deleted
 890         if (m_docs.Member(doc))
 891             delete doc;
 892
 893         return true;
 894     }
 895     return false;
 896 }
 897
 898 bool wxDocManager::CloseDocuments(bool force)
 899 {
 900     wxList::compatibility_iterator node = m_docs.GetFirst();
 901     while (node)
 902     {
 903         wxDocument *doc = (wxDocument *)node->GetData();
 904         wxList::compatibility_iterator next = node->GetNext();
 905
 906         if (!CloseDocument(doc, force))
 907             return false;
 908
 909         // This assumes that documents are not connected in
 910         // any way, i.e. deleting one document does NOT
 911         // delete another.
 912         node = next;
 913     }
 914     return true;
 915 }
 916
 917 bool wxDocManager::Clear(bool force)
 918 {
 919     if (!CloseDocuments(force))
 920         return false;
 921
 922     m_currentView = NULL;
 923
 924     wxList::compatibility_iterator node = m_templates.GetFirst();
 925     while (node)
 926     {
 927         wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
 928         wxList::compatibility_iterator next = node->GetNext();
 929         delete templ;
 930         node = next;
 931     }
 932     return true;
 933 }
 934
 935 bool wxDocManager::Initialize()
 936 {
 937     m_fileHistory = OnCreateFileHistory();
 938     return true;
 939 }
 940
 941 wxFileHistory *wxDocManager::OnCreateFileHistory()
 942 {
 943     return new wxFileHistory;
 944 }
 945
 946 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
 947 {
 948     wxDocument *doc = GetCurrentDocument();
 949     if (!doc)
 950         return;
 951     if (doc->Close())
 952     {
 953         doc->DeleteAllViews();
 954         if (m_docs.Member(doc))
 955             delete doc;
 956     }
 957 }
 958
 959 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
 960 {
 961     CloseDocuments(false);
 962 }
 963
 964 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
 965 {
 966     CreateNewDocument();
 967 }
 968
 969 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
 970 {
 971     if ( !CreateDocument( wxEmptyString, 0) )
 972     {
 973         OnOpenFileFailure();
 974     }
 975 }
 976
 977 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
 978 {
 979     wxDocument *doc = GetCurrentDocument();
 980     if (!doc)
 981         return;
 982     doc->Revert();
 983 }
 984
 985 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
 986 {
 987     wxDocument *doc = GetCurrentDocument();
 988     if (!doc)
 989         return;
 990     doc->Save();
 991 }
 992
 993 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
 994 {
 995     wxDocument *doc = GetCurrentDocument();
 996     if (!doc)
 997         return;
 998     doc->SaveAs();
 999 }
1000
1001 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
1002 {
1003 #if wxUSE_PRINTING_ARCHITECTURE
1004     wxView *view = GetCurrentView();
1005     if (!view)
1006         return;
1007
1008     wxPrintout *printout = view->OnCreatePrintout();
1009     if (printout)
1010     {
1011         wxPrinter printer;
1012         printer.Print(view->GetFrame(), printout, true);
1013
1014         delete printout;
1015     }
1016 #endif // wxUSE_PRINTING_ARCHITECTURE
1017 }
1018
1019 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
1020 {
1021 #if wxUSE_PRINTING_ARCHITECTURE
1022     wxView *view = GetCurrentView();
1023     if (!view)
1024         return;
1025
1026     wxPrintout *printout = view->OnCreatePrintout();
1027     if (printout)
1028     {
1029         // Pass two printout objects: for preview, and possible printing.
1030         wxPrintPreviewBase *preview = new wxPrintPreview(printout, view->OnCreatePrintout());
1031         if ( !preview->Ok() )
1032         {
1033             delete preview;
1034             wxMessageBox( _("Sorry, print preview needs a printer to be installed.") );
1035             return;
1036         }
1037
1038         wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
1039                 wxPoint(100, 100), wxSize(600, 650));
1040         frame->Centre(wxBOTH);
1041         frame->Initialize();
1042         frame->Show(true);
1043     }
1044 #endif // wxUSE_PRINTING_ARCHITECTURE
1045 }
1046
1047 void wxDocManager::OnUndo(wxCommandEvent& event)
1048 {
1049     wxDocument *doc = GetCurrentDocument();
1050     if (!doc)
1051         return;
1052     if (doc->GetCommandProcessor())
1053         doc->GetCommandProcessor()->Undo();
1054     else
1055         event.Skip();
1056 }
1057
1058 void wxDocManager::OnRedo(wxCommandEvent& event)
1059 {
1060     wxDocument *doc = GetCurrentDocument();
1061     if (!doc)
1062         return;
1063     if (doc->GetCommandProcessor())
1064         doc->GetCommandProcessor()->Redo();
1065     else
1066         event.Skip();
1067 }
1068
1069 // Handlers for UI update commands
1070
1071 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
1072 {
1073     event.Enable( true );
1074 }
1075
1076 void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event)
1077 {
1078     event.Enable( GetCurrentDocument() != NULL );
1079 }
1080
1081 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1082 {
1083     event.Enable( true );
1084 }
1085
1086 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1087 {
1088     wxDocument * const doc = GetCurrentDocument();
1089     event.Enable( doc && !doc->AlreadySaved() );
1090 }
1091
1092 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1093 {
1094     wxDocument *doc = GetCurrentDocument();
1095     if (!doc)
1096         event.Enable(false);
1097     else if (!doc->GetCommandProcessor())
1098         event.Skip();
1099     else
1100     {
1101         event.Enable( doc->GetCommandProcessor()->CanUndo() );
1102         doc->GetCommandProcessor()->SetMenuStrings();
1103     }
1104 }
1105
1106 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1107 {
1108     wxDocument *doc = GetCurrentDocument();
1109     if (!doc)
1110         event.Enable(false);
1111     else if (!doc->GetCommandProcessor())
1112         event.Skip();
1113     else
1114     {
1115         event.Enable( doc->GetCommandProcessor()->CanRedo() );
1116         doc->GetCommandProcessor()->SetMenuStrings();
1117     }
1118 }
1119
1120 wxView *wxDocManager::GetCurrentView() const
1121 {
1122     if (m_currentView)
1123         return m_currentView;
1124     if (m_docs.GetCount() == 1)
1125     {
1126         wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
1127         return doc->GetFirstView();
1128     }
1129     return NULL;
1130 }
1131
1132 bool wxDocManager::TryValidator(wxEvent& event)
1133 {
1134     wxView * const view = GetCurrentView();
1135     return view && view->ProcessEventHere(event);
1136 }
1137
1138 namespace
1139 {
1140
1141 // helper function: return only the visible templates
1142 wxDocTemplates GetVisibleTemplates(const wxList& allTemplates)
1143 {
1144     // select only the visible templates
1145     const size_t totalNumTemplates = allTemplates.GetCount();
1146     wxDocTemplates templates;
1147     if ( totalNumTemplates )
1148     {
1149         templates.reserve(totalNumTemplates);
1150
1151         for ( wxList::const_iterator i = allTemplates.begin(),
1152                                    end = allTemplates.end();
1153               i != end;
1154               ++i )
1155         {
1156             wxDocTemplate * const temp = (wxDocTemplate *)*i;
1157             if ( temp->IsVisible() )
1158                 templates.push_back(temp);
1159         }
1160     }
1161
1162     return templates;
1163 }
1164
1165 } // anonymous namespace
1166
1167 wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
1168 {
1169     // this ought to be const but SelectDocumentType/Path() are not
1170     // const-correct and can't be changed as, being virtual, this risks
1171     // breaking user code overriding them
1172     wxDocTemplates templates(GetVisibleTemplates(m_templates));
1173     const size_t numTemplates = templates.size();
1174     if ( !numTemplates )
1175     {
1176         // no templates can be used, can't create document
1177         return NULL;
1178     }
1179
1180
1181     // normally user should select the template to use but wxDOC_SILENT flag we
1182     // choose one ourselves
1183     wxString path = pathOrig;   // may be modified below
1184     wxDocTemplate *temp;
1185     if ( flags & wxDOC_SILENT )
1186     {
1187         wxASSERT_MSG( !path.empty(),
1188                       "using empty path with wxDOC_SILENT doesn't make sense" );
1189
1190         temp = FindTemplateForPath(path);
1191         if ( !temp )
1192         {
1193             wxLogWarning(_("The format of file '%s' couldn't be determined."),
1194                          path);
1195         }
1196     }
1197     else // not silent, ask the user
1198     {
1199         // for the new file we need just the template, for an existing one we
1200         // need the template and the path, unless it's already specified
1201         if ( (flags & wxDOC_NEW) || !path.empty() )
1202             temp = SelectDocumentType(&templates[0], numTemplates);
1203         else
1204             temp = SelectDocumentPath(&templates[0], numTemplates, path, flags);
1205     }
1206
1207     if ( !temp )
1208         return NULL;
1209
1210     // check whether the document with this path is already opened
1211     if ( !path.empty() )
1212     {
1213         const wxFileName fn(path);
1214         for ( wxList::const_iterator i = m_docs.begin(); i != m_docs.end(); ++i )
1215         {
1216             wxDocument * const doc = (wxDocument*)*i;
1217
1218             if ( fn == doc->GetFilename() )
1219             {
1220                 // file already open, just activate it and return
1221                 if ( doc->GetFirstView() )
1222                 {
1223                     ActivateView(doc->GetFirstView());
1224                     if ( doc->GetDocumentWindow() )
1225                         doc->GetDocumentWindow()->SetFocus();
1226                     return doc;
1227                 }
1228             }
1229         }
1230     }
1231
1232
1233     // no, we need to create a new document
1234
1235
1236     // if we've reached the max number of docs, close the first one.
1237     if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1238     {
1239         if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) )
1240         {
1241             // can't open the new document if closing the old one failed
1242             return NULL;
1243         }
1244     }
1245
1246
1247     // do create and initialize the new document finally
1248     wxDocument * const docNew = temp->CreateDocument(path, flags);
1249     if ( !docNew )
1250         return NULL;
1251
1252     docNew->SetDocumentName(temp->GetDocumentName());
1253     docNew->SetDocumentTemplate(temp);
1254
1255     // call the appropriate function depending on whether we're creating a new
1256     // file or opening an existing one
1257     if ( !(flags & wxDOC_NEW ? docNew->OnNewDocument()
1258                              : docNew->OnOpenDocument(path)) )
1259     {
1260          // Document is implicitly deleted by DeleteAllViews
1261          docNew->DeleteAllViews();
1262          return NULL;
1263     }
1264
1265     // add the successfully opened file to MRU, but only if we're going to be
1266     // able to reopen it successfully later which requires the template for
1267     // this document to be retrievable from the file extension
1268     if ( !(flags & wxDOC_NEW) && temp->FileMatchesTemplate(path) )
1269         AddFileToHistory(path);
1270
1271     return docNew;
1272 }
1273
1274 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1275 {
1276     wxDocTemplates templates(GetVisibleTemplates(m_templates));
1277     const size_t numTemplates = templates.size();
1278
1279     if ( numTemplates == 0 )
1280         return NULL;
1281
1282     wxDocTemplate * const
1283     temp = numTemplates == 1 ? templates[0]
1284                              : SelectViewType(&templates[0], numTemplates);
1285
1286     if ( !temp )
1287         return NULL;
1288
1289     wxView *view = temp->CreateView(doc, flags);
1290     if ( view )
1291         view->SetViewName(temp->GetViewName());
1292     return view;
1293 }
1294
1295 // Not yet implemented
1296 void
1297 wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1298 {
1299 }
1300
1301 // Not yet implemented
1302 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1303 {
1304     return false;
1305 }
1306
1307 wxDocument *wxDocManager::GetCurrentDocument() const
1308 {
1309     wxView *view = GetCurrentView();
1310     if (view)
1311         return view->GetDocument();
1312     else
1313         return NULL;
1314 }
1315
1316 // Make a default name for a new document
1317 #if WXWIN_COMPATIBILITY_2_8
1318 bool wxDocManager::MakeDefaultName(wxString& WXUNUSED(name))
1319 {
1320     // we consider that this function can only be overridden by the user code,
1321     // not called by it as it only makes sense to call it internally, so we
1322     // don't bother to return anything from here
1323     return false;
1324 }
1325 #endif // WXWIN_COMPATIBILITY_2_8
1326
1327 wxString wxDocManager::MakeNewDocumentName()
1328 {
1329     wxString name;
1330
1331 #if WXWIN_COMPATIBILITY_2_8
1332     if ( !MakeDefaultName(name) )
1333 #endif // WXWIN_COMPATIBILITY_2_8
1334     {
1335         name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1336         m_defaultDocumentNameCounter++;
1337     }
1338
1339     return name;
1340 }
1341
1342 // Make a frame title (override this to do something different)
1343 // If docName is empty, a document is not currently active.
1344 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1345 {
1346     wxString appName = wxTheApp->GetAppDisplayName();
1347     wxString title;
1348     if (!doc)
1349         title = appName;
1350     else
1351     {
1352         wxString docName = doc->GetUserReadableName();
1353         title = docName + wxString(_(" - ")) + appName;
1354     }
1355     return title;
1356 }
1357
1358
1359 // Not yet implemented
1360 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1361 {
1362     return NULL;
1363 }
1364
1365 // File history management
1366 void wxDocManager::AddFileToHistory(const wxString& file)
1367 {
1368     if (m_fileHistory)
1369         m_fileHistory->AddFileToHistory(file);
1370 }
1371
1372 void wxDocManager::RemoveFileFromHistory(size_t i)
1373 {
1374     if (m_fileHistory)
1375         m_fileHistory->RemoveFileFromHistory(i);
1376 }
1377
1378 wxString wxDocManager::GetHistoryFile(size_t i) const
1379 {
1380     wxString histFile;
1381
1382     if (m_fileHistory)
1383         histFile = m_fileHistory->GetHistoryFile(i);
1384
1385     return histFile;
1386 }
1387
1388 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1389 {
1390     if (m_fileHistory)
1391         m_fileHistory->UseMenu(menu);
1392 }
1393
1394 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1395 {
1396     if (m_fileHistory)
1397         m_fileHistory->RemoveMenu(menu);
1398 }
1399
1400 #if wxUSE_CONFIG
1401 void wxDocManager::FileHistoryLoad(const wxConfigBase& config)
1402 {
1403     if (m_fileHistory)
1404         m_fileHistory->Load(config);
1405 }
1406
1407 void wxDocManager::FileHistorySave(wxConfigBase& config)
1408 {
1409     if (m_fileHistory)
1410         m_fileHistory->Save(config);
1411 }
1412 #endif
1413
1414 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1415 {
1416     if (m_fileHistory)
1417         m_fileHistory->AddFilesToMenu(menu);
1418 }
1419
1420 void wxDocManager::FileHistoryAddFilesToMenu()
1421 {
1422     if (m_fileHistory)
1423         m_fileHistory->AddFilesToMenu();
1424 }
1425
1426 size_t wxDocManager::GetHistoryFilesCount() const
1427 {
1428     return m_fileHistory ? m_fileHistory->GetCount() : 0;
1429 }
1430
1431
1432 // Find out the document template via matching in the document file format
1433 // against that of the template
1434 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1435 {
1436     wxDocTemplate *theTemplate = NULL;
1437
1438     // Find the template which this extension corresponds to
1439     for (size_t i = 0; i < m_templates.GetCount(); i++)
1440     {
1441         wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1442         if ( temp->FileMatchesTemplate(path) )
1443         {
1444             theTemplate = temp;
1445             break;
1446         }
1447     }
1448     return theTemplate;
1449 }
1450
1451 // Prompts user to open a file, using file specs in templates.
1452 // Must extend the file selector dialog or implement own; OR
1453 // match the extension to the template extension.
1454
1455 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1456                                                 int noTemplates,
1457                                                 wxString& path,
1458                                                 long WXUNUSED(flags),
1459                                                 bool WXUNUSED(save))
1460 {
1461     // We can only have multiple filters in Windows and GTK
1462 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1463     wxString descrBuf;
1464
1465     int i;
1466     for (i = 0; i < noTemplates; i++)
1467     {
1468         if (templates[i]->IsVisible())
1469         {
1470             // add a '|' to separate this filter from the previous one
1471             if ( !descrBuf.empty() )
1472                 descrBuf << wxT('|');
1473
1474             descrBuf << templates[i]->GetDescription()
1475                 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1476                 << templates[i]->GetFileFilter();
1477         }
1478     }
1479 #else
1480     wxString descrBuf = wxT("*.*");
1481     wxUnusedVar(noTemplates);
1482 #endif
1483
1484     int FilterIndex = -1;
1485
1486     wxWindow* parent = wxFindSuitableParent();
1487
1488     wxString pathTmp = wxFileSelectorEx(_("Open File"),
1489                                         m_lastDirectory,
1490                                         wxEmptyString,
1491                                         &FilterIndex,
1492                                         descrBuf,
1493                                         0,
1494                                         parent);
1495
1496     wxDocTemplate *theTemplate = NULL;
1497     if (!pathTmp.empty())
1498     {
1499         if (!wxFileExists(pathTmp))
1500         {
1501             wxString msgTitle;
1502             if (!wxTheApp->GetAppDisplayName().empty())
1503                 msgTitle = wxTheApp->GetAppDisplayName();
1504             else
1505                 msgTitle = wxString(_("File error"));
1506
1507             (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION | wxCENTRE,
1508                 parent);
1509
1510             path = wxEmptyString;
1511             return NULL;
1512         }
1513         m_lastDirectory = wxPathOnly(pathTmp);
1514
1515         path = pathTmp;
1516
1517         // first choose the template using the extension, if this fails (i.e.
1518         // wxFileSelectorEx() didn't fill it), then use the path
1519         if ( FilterIndex != -1 )
1520             theTemplate = templates[FilterIndex];
1521         if ( !theTemplate )
1522             theTemplate = FindTemplateForPath(path);
1523         if ( !theTemplate )
1524         {
1525             // Since we do not add files with non-default extensions to the FileHistory this
1526             // can only happen if the application changes the allowed templates in runtime.
1527             (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1528                                 _("Open File"),
1529                                 wxOK | wxICON_EXCLAMATION | wxCENTRE, wxFindSuitableParent());
1530         }
1531     }
1532     else
1533     {
1534         path = wxEmptyString;
1535     }
1536
1537     return theTemplate;
1538 }
1539
1540 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1541                                                 int noTemplates, bool sort)
1542 {
1543     wxArrayString strings;
1544     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1545     int i;
1546     int n = 0;
1547
1548     for (i = 0; i < noTemplates; i++)
1549     {
1550         if (templates[i]->IsVisible())
1551         {
1552             int j;
1553             bool want = true;
1554             for (j = 0; j < n; j++)
1555             {
1556                 //filter out NOT unique documents + view combinations
1557                 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1558                      templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1559                    )
1560                     want = false;
1561             }
1562
1563             if ( want )
1564             {
1565                 strings.Add(templates[i]->m_description);
1566
1567                 data[n] = templates[i];
1568                 n ++;
1569             }
1570         }
1571     }  // for
1572
1573     if (sort)
1574     {
1575         strings.Sort(); // ascending sort
1576         // Yes, this will be slow, but template lists
1577         // are typically short.
1578         int j;
1579         n = strings.Count();
1580         for (i = 0; i < n; i++)
1581         {
1582             for (j = 0; j < noTemplates; j++)
1583             {
1584                 if (strings[i] == templates[j]->m_description)
1585                     data[i] = templates[j];
1586             }
1587         }
1588     }
1589
1590     wxDocTemplate *theTemplate;
1591
1592     switch ( n )
1593     {
1594         case 0:
1595             // no visible templates, hence nothing to choose from
1596             theTemplate = NULL;
1597             break;
1598
1599         case 1:
1600             // don't propose the user to choose if he has no choice
1601             theTemplate = data[0];
1602             break;
1603
1604         default:
1605             // propose the user to choose one of several
1606             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1607                           (
1608                             _("Select a document template"),
1609                             _("Templates"),
1610                             strings,
1611                             (void **)data,
1612                             wxFindSuitableParent()
1613                           );
1614     }
1615
1616     delete[] data;
1617
1618     return theTemplate;
1619 }
1620
1621 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1622                                             int noTemplates, bool sort)
1623 {
1624     wxArrayString strings;
1625     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1626     int i;
1627     int n = 0;
1628
1629     for (i = 0; i < noTemplates; i++)
1630     {
1631         wxDocTemplate *templ = templates[i];
1632         if ( templ->IsVisible() && !templ->GetViewName().empty() )
1633         {
1634             int j;
1635             bool want = true;
1636             for (j = 0; j < n; j++)
1637             {
1638                 //filter out NOT unique views
1639                 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1640                     want = false;
1641             }
1642
1643             if ( want )
1644             {
1645                 strings.Add(templ->m_viewTypeName);
1646                 data[n] = templ;
1647                 n ++;
1648             }
1649         }
1650     }
1651
1652     if (sort)
1653     {
1654         strings.Sort(); // ascending sort
1655         // Yes, this will be slow, but template lists
1656         // are typically short.
1657         int j;
1658         n = strings.Count();
1659         for (i = 0; i < n; i++)
1660         {
1661             for (j = 0; j < noTemplates; j++)
1662             {
1663                 if (strings[i] == templates[j]->m_viewTypeName)
1664                     data[i] = templates[j];
1665             }
1666         }
1667     }
1668
1669     wxDocTemplate *theTemplate;
1670
1671     // the same logic as above
1672     switch ( n )
1673     {
1674         case 0:
1675             theTemplate = NULL;
1676             break;
1677
1678         case 1:
1679             theTemplate = data[0];
1680             break;
1681
1682         default:
1683             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1684                           (
1685                             _("Select a document view"),
1686                             _("Views"),
1687                             strings,
1688                             (void **)data,
1689                             wxFindSuitableParent()
1690                           );
1691
1692     }
1693
1694     delete[] data;
1695     return theTemplate;
1696 }
1697
1698 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1699 {
1700     if (!m_templates.Member(temp))
1701         m_templates.Append(temp);
1702 }
1703
1704 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1705 {
1706     m_templates.DeleteObject(temp);
1707 }
1708
1709 // Add and remove a document from the manager's list
1710 void wxDocManager::AddDocument(wxDocument *doc)
1711 {
1712     if (!m_docs.Member(doc))
1713         m_docs.Append(doc);
1714 }
1715
1716 void wxDocManager::RemoveDocument(wxDocument *doc)
1717 {
1718     m_docs.DeleteObject(doc);
1719 }
1720
1721 // Views or windows should inform the document manager
1722 // when a view is going in or out of focus
1723 void wxDocManager::ActivateView(wxView *view, bool activate)
1724 {
1725     if ( activate )
1726     {
1727         m_currentView = view;
1728     }
1729     else // deactivate
1730     {
1731         if ( m_currentView == view )
1732         {
1733             // don't keep stale pointer
1734             m_currentView = NULL;
1735         }
1736     }
1737 }
1738
1739 // ----------------------------------------------------------------------------
1740 // Default document child frame
1741 // ----------------------------------------------------------------------------
1742
1743 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1744     EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1745     EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1746 END_EVENT_TABLE()
1747
1748 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1749                                  wxView *view,
1750                                  wxFrame *frame,
1751                                  wxWindowID id,
1752                                  const wxString& title,
1753                                  const wxPoint& pos,
1754                                  const wxSize& size,
1755                                  long style,
1756                                  const wxString& name)
1757                : wxFrame(frame, id, title, pos, size, style, name)
1758 {
1759     m_childDocument = doc;
1760     m_childView = view;
1761     if (view)
1762         view->SetFrame(this);
1763 }
1764
1765 bool wxDocChildFrame::TryValidator(wxEvent& event)
1766 {
1767     if ( !m_childView )
1768         return false;
1769
1770     // FIXME: why is this needed here?
1771     m_childView->Activate(true);
1772
1773     return m_childView->ProcessEventHere(event);
1774 }
1775
1776 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1777 {
1778     wxFrame::OnActivate(event);
1779
1780     if (m_childView)
1781         m_childView->Activate(event.GetActive());
1782 }
1783
1784 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1785 {
1786     if (m_childView)
1787     {
1788         bool ans = event.CanVeto()
1789                     ? m_childView->Close(false) // false means don't delete associated window
1790                     : true; // Must delete.
1791
1792         if (ans)
1793         {
1794             m_childView->Activate(false);
1795             delete m_childView;
1796             m_childView = NULL;
1797             m_childDocument = NULL;
1798
1799             this->Destroy();
1800         }
1801         else
1802             event.Veto();
1803     }
1804     else
1805         event.Veto();
1806 }
1807
1808 // ----------------------------------------------------------------------------
1809 // Default parent frame
1810 // ----------------------------------------------------------------------------
1811
1812 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1813     EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1814     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1815     EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1816 END_EVENT_TABLE()
1817
1818 wxDocParentFrame::wxDocParentFrame()
1819 {
1820     m_docManager = NULL;
1821 }
1822
1823 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1824                                    wxFrame *frame,
1825                                    wxWindowID id,
1826                                    const wxString& title,
1827                                    const wxPoint& pos,
1828                                    const wxSize& size,
1829                                    long style,
1830                                    const wxString& name)
1831                 : wxFrame(frame, id, title, pos, size, style, name)
1832 {
1833     m_docManager = manager;
1834 }
1835
1836 bool wxDocParentFrame::Create(wxDocManager *manager,
1837                               wxFrame *frame,
1838                               wxWindowID id,
1839                               const wxString& title,
1840                               const wxPoint& pos,
1841                               const wxSize& size,
1842                               long style,
1843                               const wxString& name)
1844 {
1845     m_docManager = manager;
1846     return base_type::Create(frame, id, title, pos, size, style, name);
1847 }
1848
1849 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1850 {
1851     Close();
1852 }
1853
1854 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1855 {
1856     int n = event.GetId() - wxID_FILE1;  // the index in MRU list
1857     wxString filename(m_docManager->GetHistoryFile(n));
1858     if ( filename.empty() )
1859         return;
1860
1861     wxString errMsg; // must contain exactly one "%s" if non-empty
1862     if ( wxFile::Exists(filename) )
1863     {
1864         // try to open it
1865         if ( m_docManager->CreateDocument(filename, wxDOC_SILENT) )
1866             return;
1867
1868         errMsg = _("The file '%s' couldn't be opened.");
1869     }
1870     else // file doesn't exist
1871     {
1872         errMsg = _("The file '%s' doesn't exist and couldn't be opened.");
1873     }
1874
1875
1876     wxASSERT_MSG( !errMsg.empty(), "should have an error message" );
1877
1878     // remove the file which we can't open from the MRU list
1879     m_docManager->RemoveFileFromHistory(n);
1880
1881     // and tell the user about it
1882     wxLogError(errMsg + '\n' +
1883                _("It has been removed from the most recently used files list."),
1884                filename);
1885 }
1886
1887 // Extend event processing to search the view's event table
1888 bool wxDocParentFrame::TryValidator(wxEvent& event)
1889 {
1890     return m_docManager && m_docManager->ProcessEventHere(event);
1891 }
1892
1893 // Define the behaviour for the frame closing
1894 // - must delete all frames except for the main one.
1895 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1896 {
1897     if (m_docManager->Clear(!event.CanVeto()))
1898     {
1899         this->Destroy();
1900     }
1901     else
1902         event.Veto();
1903 }
1904
1905 #if wxUSE_PRINTING_ARCHITECTURE
1906
1907 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1908              : wxPrintout(title)
1909 {
1910     m_printoutView = view;
1911 }
1912
1913 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1914 {
1915     wxDC *dc = GetDC();
1916
1917     // Get the logical pixels per inch of screen and printer
1918     int ppiScreenX, ppiScreenY;
1919     GetPPIScreen(&ppiScreenX, &ppiScreenY);
1920     wxUnusedVar(ppiScreenY);
1921     int ppiPrinterX, ppiPrinterY;
1922     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
1923     wxUnusedVar(ppiPrinterY);
1924
1925     // This scales the DC so that the printout roughly represents the
1926     // the screen scaling. The text point size _should_ be the right size
1927     // but in fact is too small for some reason. This is a detail that will
1928     // need to be addressed at some point but can be fudged for the
1929     // moment.
1930     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
1931
1932     // Now we have to check in case our real page size is reduced
1933     // (e.g. because we're drawing to a print preview memory DC)
1934     int pageWidth, pageHeight;
1935     int w, h;
1936     dc->GetSize(&w, &h);
1937     GetPageSizePixels(&pageWidth, &pageHeight);
1938     wxUnusedVar(pageHeight);
1939
1940     // If printer pageWidth == current DC width, then this doesn't
1941     // change. But w might be the preview bitmap width, so scale down.
1942     float overallScale = scale * (float)(w/(float)pageWidth);
1943     dc->SetUserScale(overallScale, overallScale);
1944
1945     if (m_printoutView)
1946     {
1947         m_printoutView->OnDraw(dc);
1948     }
1949     return true;
1950 }
1951
1952 bool wxDocPrintout::HasPage(int pageNum)
1953 {
1954     return (pageNum == 1);
1955 }
1956
1957 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
1958 {
1959     if (!wxPrintout::OnBeginDocument(startPage, endPage))
1960         return false;
1961
1962     return true;
1963 }
1964
1965 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
1966 {
1967     *minPage = 1;
1968     *maxPage = 1;
1969     *selPageFrom = 1;
1970     *selPageTo = 1;
1971 }
1972
1973 #endif // wxUSE_PRINTING_ARCHITECTURE
1974
1975 // ----------------------------------------------------------------------------
1976 // File history (a.k.a. MRU, most recently used, files list)
1977 // ----------------------------------------------------------------------------
1978
1979 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
1980 {
1981     m_fileMaxFiles = maxFiles;
1982     m_idBase = idBase;
1983 }
1984
1985 void wxFileHistory::AddFileToHistory(const wxString& file)
1986 {
1987     // check if we don't already have this file
1988     const wxFileName fnNew(file);
1989     size_t i,
1990            numFiles = m_fileHistory.size();
1991     for ( i = 0; i < numFiles; i++ )
1992     {
1993         if ( fnNew == m_fileHistory[i] )
1994         {
1995             // we do have it, move it to the top of the history
1996             RemoveFileFromHistory(i);
1997             numFiles--;
1998             break;
1999         }
2000     }
2001
2002     // if we already have a full history, delete the one at the end
2003     if ( numFiles == m_fileMaxFiles )
2004     {
2005         RemoveFileFromHistory(--numFiles);
2006     }
2007
2008     // add a new menu item to all file menus (they will be updated below)
2009     for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2010         node;
2011         node = node->GetNext() )
2012     {
2013         wxMenu * const menu = (wxMenu *)node->GetData();
2014
2015         if ( !numFiles && menu->GetMenuItemCount() )
2016             menu->AppendSeparator();
2017
2018         // label doesn't matter, it will be set below anyhow, but it can't
2019         // be empty (this is supposed to indicate a stock item)
2020         menu->Append(m_idBase + numFiles, " ");
2021     }
2022
2023     // insert the new file in the beginning of the file history
2024     m_fileHistory.insert(m_fileHistory.begin(), file);
2025     numFiles++;
2026
2027     // update the labels in all menus
2028     for ( i = 0; i < numFiles; i++ )
2029     {
2030         // if in same directory just show the filename; otherwise the full path
2031         const wxFileName fnOld(m_fileHistory[i]);
2032
2033         wxString pathInMenu;
2034         if ( fnOld.GetPath() == fnNew.GetPath() )
2035         {
2036             pathInMenu = fnOld.GetFullName();
2037         }
2038         else // file in different directory
2039         {
2040             // absolute path; could also set relative path
2041             pathInMenu = m_fileHistory[i];
2042         }
2043
2044         for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2045               node;
2046               node = node->GetNext() )
2047         {
2048             wxMenu * const menu = (wxMenu *)node->GetData();
2049
2050             menu->SetLabel(m_idBase + i, GetMRUEntryLabel(i, pathInMenu));
2051         }
2052     }
2053 }
2054
2055 void wxFileHistory::RemoveFileFromHistory(size_t i)
2056 {
2057     size_t numFiles = m_fileHistory.size();
2058     wxCHECK_RET( i < numFiles,
2059                  wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2060
2061     // delete the element from the array
2062     m_fileHistory.RemoveAt(i);
2063     numFiles--;
2064
2065     for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2066           node;
2067           node = node->GetNext() )
2068     {
2069         wxMenu * const menu = (wxMenu *) node->GetData();
2070
2071         // shift filenames up
2072         for ( size_t j = i; j < numFiles; j++ )
2073         {
2074             menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j]));
2075         }
2076
2077         // delete the last menu item which is unused now
2078         const wxWindowID lastItemId = m_idBase + numFiles;
2079         if ( menu->FindItem(lastItemId) )
2080             menu->Delete(lastItemId);
2081
2082         // delete the last separator too if no more files are left
2083         if ( m_fileHistory.empty() )
2084         {
2085             const wxMenuItemList::compatibility_iterator
2086                 nodeLast = menu->GetMenuItems().GetLast();
2087             if ( nodeLast )
2088             {
2089                 wxMenuItem * const lastMenuItem = nodeLast->GetData();
2090                 if ( lastMenuItem->IsSeparator() )
2091                     menu->Delete(lastMenuItem);
2092             }
2093             //else: menu is empty somehow
2094         }
2095     }
2096 }
2097
2098 void wxFileHistory::UseMenu(wxMenu *menu)
2099 {
2100     if ( !m_fileMenus.Member(menu) )
2101         m_fileMenus.Append(menu);
2102 }
2103
2104 void wxFileHistory::RemoveMenu(wxMenu *menu)
2105 {
2106     m_fileMenus.DeleteObject(menu);
2107 }
2108
2109 #if wxUSE_CONFIG
2110 void wxFileHistory::Load(const wxConfigBase& config)
2111 {
2112     m_fileHistory.Clear();
2113
2114     wxString buf;
2115     buf.Printf(wxT("file%d"), 1);
2116
2117     wxString historyFile;
2118     while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
2119            config.Read(buf, &historyFile) && !historyFile.empty())
2120     {
2121         m_fileHistory.Add(historyFile);
2122
2123         buf.Printf(wxT("file%d"), (int)m_fileHistory.GetCount()+1);
2124         historyFile = wxEmptyString;
2125     }
2126
2127     AddFilesToMenu();
2128 }
2129
2130 void wxFileHistory::Save(wxConfigBase& config)
2131 {
2132     size_t i;
2133     for (i = 0; i < m_fileMaxFiles; i++)
2134     {
2135         wxString buf;
2136         buf.Printf(wxT("file%d"), (int)i+1);
2137         if (i < m_fileHistory.GetCount())
2138             config.Write(buf, wxString(m_fileHistory[i]));
2139         else
2140             config.Write(buf, wxEmptyString);
2141     }
2142 }
2143 #endif // wxUSE_CONFIG
2144
2145 void wxFileHistory::AddFilesToMenu()
2146 {
2147     if ( m_fileHistory.empty() )
2148         return;
2149
2150     for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2151           node;
2152           node = node->GetNext() )
2153     {
2154         AddFilesToMenu((wxMenu *) node->GetData());
2155     }
2156 }
2157
2158 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2159 {
2160     if ( m_fileHistory.empty() )
2161         return;
2162
2163     if ( menu->GetMenuItemCount() )
2164         menu->AppendSeparator();
2165
2166     for ( size_t i = 0; i < m_fileHistory.GetCount(); i++ )
2167     {
2168         menu->Append(m_idBase + i, GetMRUEntryLabel(i, m_fileHistory[i]));
2169     }
2170 }
2171
2172 // ----------------------------------------------------------------------------
2173 // Permits compatibility with existing file formats and functions that
2174 // manipulate files directly
2175 // ----------------------------------------------------------------------------
2176
2177 #if wxUSE_STD_IOSTREAM
2178
2179 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2180 {
2181     wxFFile file(filename, _T("rb"));
2182     if ( !file.IsOpened() )
2183         return false;
2184
2185     char buf[4096];
2186
2187     size_t nRead;
2188     do
2189     {
2190         nRead = file.Read(buf, WXSIZEOF(buf));
2191         if ( file.Error() )
2192             return false;
2193
2194         stream.write(buf, nRead);
2195         if ( !stream )
2196             return false;
2197     }
2198     while ( !file.Eof() );
2199
2200     return true;
2201 }
2202
2203 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2204 {
2205     wxFFile file(filename, _T("wb"));
2206     if ( !file.IsOpened() )
2207         return false;
2208
2209     char buf[4096];
2210     do
2211     {
2212         stream.read(buf, WXSIZEOF(buf));
2213         if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2214         {
2215             if ( !file.Write(buf, stream.gcount()) )
2216                 return false;
2217         }
2218     }
2219     while ( !stream.eof() );
2220
2221     return true;
2222 }
2223
2224 #else // !wxUSE_STD_IOSTREAM
2225
2226 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2227 {
2228     wxFFile file(filename, _T("rb"));
2229     if ( !file.IsOpened() )
2230         return false;
2231
2232     char buf[4096];
2233
2234     size_t nRead;
2235     do
2236     {
2237         nRead = file.Read(buf, WXSIZEOF(buf));
2238         if ( file.Error() )
2239             return false;
2240
2241         stream.Write(buf, nRead);
2242         if ( !stream )
2243             return false;
2244     }
2245     while ( !file.Eof() );
2246
2247     return true;
2248 }
2249
2250 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2251 {
2252     wxFFile file(filename, _T("wb"));
2253     if ( !file.IsOpened() )
2254         return false;
2255
2256     char buf[4096];
2257     for ( ;; )
2258     {
2259         stream.Read(buf, WXSIZEOF(buf));
2260
2261         const size_t nRead = stream.LastRead();
2262         if ( !nRead )
2263         {
2264             if ( stream.Eof() )
2265                 break;
2266
2267             return false;
2268         }
2269
2270         if ( !file.Write(buf, nRead) )
2271             return false;
2272     }
2273
2274     return true;
2275 }
2276
2277 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2278
2279 #endif // wxUSE_DOC_VIEW_ARCHITECTURE