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     // CreateDocument() (which is called from OnFileOpen) may succeed
1074     // only when there is at least a template:
1075     event.Enable( GetTemplates().GetCount()>0 );
1076 }
1077
1078 void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event)
1079 {
1080     event.Enable( GetCurrentDocument() != NULL );
1081 }
1082
1083 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1084 {
1085     // CreateDocument() (which is called from OnFileNew) may succeed
1086     // only when there is at least a template:
1087     event.Enable( GetTemplates().GetCount()>0 );
1088 }
1089
1090 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1091 {
1092     wxDocument * const doc = GetCurrentDocument();
1093     event.Enable( doc && !doc->AlreadySaved() );
1094 }
1095
1096 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1097 {
1098     wxDocument *doc = GetCurrentDocument();
1099     if (!doc)
1100         event.Enable(false);
1101     else if (!doc->GetCommandProcessor())
1102         event.Skip();
1103     else
1104     {
1105         event.Enable( doc->GetCommandProcessor()->CanUndo() );
1106         doc->GetCommandProcessor()->SetMenuStrings();
1107     }
1108 }
1109
1110 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1111 {
1112     wxDocument *doc = GetCurrentDocument();
1113     if (!doc)
1114         event.Enable(false);
1115     else if (!doc->GetCommandProcessor())
1116         event.Skip();
1117     else
1118     {
1119         event.Enable( doc->GetCommandProcessor()->CanRedo() );
1120         doc->GetCommandProcessor()->SetMenuStrings();
1121     }
1122 }
1123
1124 wxView *wxDocManager::GetCurrentView() const
1125 {
1126     if (m_currentView)
1127         return m_currentView;
1128     if (m_docs.GetCount() == 1)
1129     {
1130         wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
1131         return doc->GetFirstView();
1132     }
1133     return NULL;
1134 }
1135
1136 bool wxDocManager::TryValidator(wxEvent& event)
1137 {
1138     wxView * const view = GetCurrentView();
1139     return view && view->ProcessEventHere(event);
1140 }
1141
1142 namespace
1143 {
1144
1145 // helper function: return only the visible templates
1146 wxDocTemplates GetVisibleTemplates(const wxList& allTemplates)
1147 {
1148     // select only the visible templates
1149     const size_t totalNumTemplates = allTemplates.GetCount();
1150     wxDocTemplates templates;
1151     if ( totalNumTemplates )
1152     {
1153         templates.reserve(totalNumTemplates);
1154
1155         for ( wxList::const_iterator i = allTemplates.begin(),
1156                                    end = allTemplates.end();
1157               i != end;
1158               ++i )
1159         {
1160             wxDocTemplate * const temp = (wxDocTemplate *)*i;
1161             if ( temp->IsVisible() )
1162                 templates.push_back(temp);
1163         }
1164     }
1165
1166     return templates;
1167 }
1168
1169 } // anonymous namespace
1170
1171 wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
1172 {
1173     // this ought to be const but SelectDocumentType/Path() are not
1174     // const-correct and can't be changed as, being virtual, this risks
1175     // breaking user code overriding them
1176     wxDocTemplates templates(GetVisibleTemplates(m_templates));
1177     const size_t numTemplates = templates.size();
1178     if ( !numTemplates )
1179     {
1180         // no templates can be used, can't create document
1181         return NULL;
1182     }
1183
1184
1185     // normally user should select the template to use but wxDOC_SILENT flag we
1186     // choose one ourselves
1187     wxString path = pathOrig;   // may be modified below
1188     wxDocTemplate *temp;
1189     if ( flags & wxDOC_SILENT )
1190     {
1191         wxASSERT_MSG( !path.empty(),
1192                       "using empty path with wxDOC_SILENT doesn't make sense" );
1193
1194         temp = FindTemplateForPath(path);
1195         if ( !temp )
1196         {
1197             wxLogWarning(_("The format of file '%s' couldn't be determined."),
1198                          path);
1199         }
1200     }
1201     else // not silent, ask the user
1202     {
1203         // for the new file we need just the template, for an existing one we
1204         // need the template and the path, unless it's already specified
1205         if ( (flags & wxDOC_NEW) || !path.empty() )
1206             temp = SelectDocumentType(&templates[0], numTemplates);
1207         else
1208             temp = SelectDocumentPath(&templates[0], numTemplates, path, flags);
1209     }
1210
1211     if ( !temp )
1212         return NULL;
1213
1214     // check whether the document with this path is already opened
1215     if ( !path.empty() )
1216     {
1217         const wxFileName fn(path);
1218         for ( wxList::const_iterator i = m_docs.begin(); i != m_docs.end(); ++i )
1219         {
1220             wxDocument * const doc = (wxDocument*)*i;
1221
1222             if ( fn == doc->GetFilename() )
1223             {
1224                 // file already open, just activate it and return
1225                 if ( doc->GetFirstView() )
1226                 {
1227                     ActivateView(doc->GetFirstView());
1228                     if ( doc->GetDocumentWindow() )
1229                         doc->GetDocumentWindow()->SetFocus();
1230                     return doc;
1231                 }
1232             }
1233         }
1234     }
1235
1236
1237     // no, we need to create a new document
1238
1239
1240     // if we've reached the max number of docs, close the first one.
1241     if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1242     {
1243         if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) )
1244         {
1245             // can't open the new document if closing the old one failed
1246             return NULL;
1247         }
1248     }
1249
1250
1251     // do create and initialize the new document finally
1252     wxDocument * const docNew = temp->CreateDocument(path, flags);
1253     if ( !docNew )
1254         return NULL;
1255
1256     docNew->SetDocumentName(temp->GetDocumentName());
1257     docNew->SetDocumentTemplate(temp);
1258
1259     // call the appropriate function depending on whether we're creating a new
1260     // file or opening an existing one
1261     if ( !(flags & wxDOC_NEW ? docNew->OnNewDocument()
1262                              : docNew->OnOpenDocument(path)) )
1263     {
1264          // Document is implicitly deleted by DeleteAllViews
1265          docNew->DeleteAllViews();
1266          return NULL;
1267     }
1268
1269     // add the successfully opened file to MRU, but only if we're going to be
1270     // able to reopen it successfully later which requires the template for
1271     // this document to be retrievable from the file extension
1272     if ( !(flags & wxDOC_NEW) && temp->FileMatchesTemplate(path) )
1273         AddFileToHistory(path);
1274
1275     return docNew;
1276 }
1277
1278 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1279 {
1280     wxDocTemplates templates(GetVisibleTemplates(m_templates));
1281     const size_t numTemplates = templates.size();
1282
1283     if ( numTemplates == 0 )
1284         return NULL;
1285
1286     wxDocTemplate * const
1287     temp = numTemplates == 1 ? templates[0]
1288                              : SelectViewType(&templates[0], numTemplates);
1289
1290     if ( !temp )
1291         return NULL;
1292
1293     wxView *view = temp->CreateView(doc, flags);
1294     if ( view )
1295         view->SetViewName(temp->GetViewName());
1296     return view;
1297 }
1298
1299 // Not yet implemented
1300 void
1301 wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1302 {
1303 }
1304
1305 // Not yet implemented
1306 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1307 {
1308     return false;
1309 }
1310
1311 wxDocument *wxDocManager::GetCurrentDocument() const
1312 {
1313     wxView *view = GetCurrentView();
1314     if (view)
1315         return view->GetDocument();
1316     else
1317         return NULL;
1318 }
1319
1320 // Make a default name for a new document
1321 #if WXWIN_COMPATIBILITY_2_8
1322 bool wxDocManager::MakeDefaultName(wxString& WXUNUSED(name))
1323 {
1324     // we consider that this function can only be overridden by the user code,
1325     // not called by it as it only makes sense to call it internally, so we
1326     // don't bother to return anything from here
1327     return false;
1328 }
1329 #endif // WXWIN_COMPATIBILITY_2_8
1330
1331 wxString wxDocManager::MakeNewDocumentName()
1332 {
1333     wxString name;
1334
1335 #if WXWIN_COMPATIBILITY_2_8
1336     if ( !MakeDefaultName(name) )
1337 #endif // WXWIN_COMPATIBILITY_2_8
1338     {
1339         name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1340         m_defaultDocumentNameCounter++;
1341     }
1342
1343     return name;
1344 }
1345
1346 // Make a frame title (override this to do something different)
1347 // If docName is empty, a document is not currently active.
1348 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1349 {
1350     wxString appName = wxTheApp->GetAppDisplayName();
1351     wxString title;
1352     if (!doc)
1353         title = appName;
1354     else
1355     {
1356         wxString docName = doc->GetUserReadableName();
1357         title = docName + wxString(_(" - ")) + appName;
1358     }
1359     return title;
1360 }
1361
1362
1363 // Not yet implemented
1364 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1365 {
1366     return NULL;
1367 }
1368
1369 // File history management
1370 void wxDocManager::AddFileToHistory(const wxString& file)
1371 {
1372     if (m_fileHistory)
1373         m_fileHistory->AddFileToHistory(file);
1374 }
1375
1376 void wxDocManager::RemoveFileFromHistory(size_t i)
1377 {
1378     if (m_fileHistory)
1379         m_fileHistory->RemoveFileFromHistory(i);
1380 }
1381
1382 wxString wxDocManager::GetHistoryFile(size_t i) const
1383 {
1384     wxString histFile;
1385
1386     if (m_fileHistory)
1387         histFile = m_fileHistory->GetHistoryFile(i);
1388
1389     return histFile;
1390 }
1391
1392 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1393 {
1394     if (m_fileHistory)
1395         m_fileHistory->UseMenu(menu);
1396 }
1397
1398 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1399 {
1400     if (m_fileHistory)
1401         m_fileHistory->RemoveMenu(menu);
1402 }
1403
1404 #if wxUSE_CONFIG
1405 void wxDocManager::FileHistoryLoad(const wxConfigBase& config)
1406 {
1407     if (m_fileHistory)
1408         m_fileHistory->Load(config);
1409 }
1410
1411 void wxDocManager::FileHistorySave(wxConfigBase& config)
1412 {
1413     if (m_fileHistory)
1414         m_fileHistory->Save(config);
1415 }
1416 #endif
1417
1418 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1419 {
1420     if (m_fileHistory)
1421         m_fileHistory->AddFilesToMenu(menu);
1422 }
1423
1424 void wxDocManager::FileHistoryAddFilesToMenu()
1425 {
1426     if (m_fileHistory)
1427         m_fileHistory->AddFilesToMenu();
1428 }
1429
1430 size_t wxDocManager::GetHistoryFilesCount() const
1431 {
1432     return m_fileHistory ? m_fileHistory->GetCount() : 0;
1433 }
1434
1435
1436 // Find out the document template via matching in the document file format
1437 // against that of the template
1438 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1439 {
1440     wxDocTemplate *theTemplate = NULL;
1441
1442     // Find the template which this extension corresponds to
1443     for (size_t i = 0; i < m_templates.GetCount(); i++)
1444     {
1445         wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1446         if ( temp->FileMatchesTemplate(path) )
1447         {
1448             theTemplate = temp;
1449             break;
1450         }
1451     }
1452     return theTemplate;
1453 }
1454
1455 // Prompts user to open a file, using file specs in templates.
1456 // Must extend the file selector dialog or implement own; OR
1457 // match the extension to the template extension.
1458
1459 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1460                                                 int noTemplates,
1461                                                 wxString& path,
1462                                                 long WXUNUSED(flags),
1463                                                 bool WXUNUSED(save))
1464 {
1465     // We can only have multiple filters in Windows and GTK
1466 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1467     wxString descrBuf;
1468
1469     int i;
1470     for (i = 0; i < noTemplates; i++)
1471     {
1472         if (templates[i]->IsVisible())
1473         {
1474             // add a '|' to separate this filter from the previous one
1475             if ( !descrBuf.empty() )
1476                 descrBuf << wxT('|');
1477
1478             descrBuf << templates[i]->GetDescription()
1479                 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1480                 << templates[i]->GetFileFilter();
1481         }
1482     }
1483 #else
1484     wxString descrBuf = wxT("*.*");
1485     wxUnusedVar(noTemplates);
1486 #endif
1487
1488     int FilterIndex = -1;
1489
1490     wxWindow* parent = wxFindSuitableParent();
1491
1492     wxString pathTmp = wxFileSelectorEx(_("Open File"),
1493                                         m_lastDirectory,
1494                                         wxEmptyString,
1495                                         &FilterIndex,
1496                                         descrBuf,
1497                                         0,
1498                                         parent);
1499
1500     wxDocTemplate *theTemplate = NULL;
1501     if (!pathTmp.empty())
1502     {
1503         if (!wxFileExists(pathTmp))
1504         {
1505             wxString msgTitle;
1506             if (!wxTheApp->GetAppDisplayName().empty())
1507                 msgTitle = wxTheApp->GetAppDisplayName();
1508             else
1509                 msgTitle = wxString(_("File error"));
1510
1511             (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION | wxCENTRE,
1512                 parent);
1513
1514             path = wxEmptyString;
1515             return NULL;
1516         }
1517         m_lastDirectory = wxPathOnly(pathTmp);
1518
1519         path = pathTmp;
1520
1521         // first choose the template using the extension, if this fails (i.e.
1522         // wxFileSelectorEx() didn't fill it), then use the path
1523         if ( FilterIndex != -1 )
1524             theTemplate = templates[FilterIndex];
1525         if ( !theTemplate )
1526             theTemplate = FindTemplateForPath(path);
1527         if ( !theTemplate )
1528         {
1529             // Since we do not add files with non-default extensions to the FileHistory this
1530             // can only happen if the application changes the allowed templates in runtime.
1531             (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1532                                 _("Open File"),
1533                                 wxOK | wxICON_EXCLAMATION | wxCENTRE, wxFindSuitableParent());
1534         }
1535     }
1536     else
1537     {
1538         path = wxEmptyString;
1539     }
1540
1541     return theTemplate;
1542 }
1543
1544 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1545                                                 int noTemplates, bool sort)
1546 {
1547     wxArrayString strings;
1548     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1549     int i;
1550     int n = 0;
1551
1552     for (i = 0; i < noTemplates; i++)
1553     {
1554         if (templates[i]->IsVisible())
1555         {
1556             int j;
1557             bool want = true;
1558             for (j = 0; j < n; j++)
1559             {
1560                 //filter out NOT unique documents + view combinations
1561                 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1562                      templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1563                    )
1564                     want = false;
1565             }
1566
1567             if ( want )
1568             {
1569                 strings.Add(templates[i]->m_description);
1570
1571                 data[n] = templates[i];
1572                 n ++;
1573             }
1574         }
1575     }  // for
1576
1577     if (sort)
1578     {
1579         strings.Sort(); // ascending sort
1580         // Yes, this will be slow, but template lists
1581         // are typically short.
1582         int j;
1583         n = strings.Count();
1584         for (i = 0; i < n; i++)
1585         {
1586             for (j = 0; j < noTemplates; j++)
1587             {
1588                 if (strings[i] == templates[j]->m_description)
1589                     data[i] = templates[j];
1590             }
1591         }
1592     }
1593
1594     wxDocTemplate *theTemplate;
1595
1596     switch ( n )
1597     {
1598         case 0:
1599             // no visible templates, hence nothing to choose from
1600             theTemplate = NULL;
1601             break;
1602
1603         case 1:
1604             // don't propose the user to choose if he has no choice
1605             theTemplate = data[0];
1606             break;
1607
1608         default:
1609             // propose the user to choose one of several
1610             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1611                           (
1612                             _("Select a document template"),
1613                             _("Templates"),
1614                             strings,
1615                             (void **)data,
1616                             wxFindSuitableParent()
1617                           );
1618     }
1619
1620     delete[] data;
1621
1622     return theTemplate;
1623 }
1624
1625 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1626                                             int noTemplates, bool sort)
1627 {
1628     wxArrayString strings;
1629     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1630     int i;
1631     int n = 0;
1632
1633     for (i = 0; i < noTemplates; i++)
1634     {
1635         wxDocTemplate *templ = templates[i];
1636         if ( templ->IsVisible() && !templ->GetViewName().empty() )
1637         {
1638             int j;
1639             bool want = true;
1640             for (j = 0; j < n; j++)
1641             {
1642                 //filter out NOT unique views
1643                 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1644                     want = false;
1645             }
1646
1647             if ( want )
1648             {
1649                 strings.Add(templ->m_viewTypeName);
1650                 data[n] = templ;
1651                 n ++;
1652             }
1653         }
1654     }
1655
1656     if (sort)
1657     {
1658         strings.Sort(); // ascending sort
1659         // Yes, this will be slow, but template lists
1660         // are typically short.
1661         int j;
1662         n = strings.Count();
1663         for (i = 0; i < n; i++)
1664         {
1665             for (j = 0; j < noTemplates; j++)
1666             {
1667                 if (strings[i] == templates[j]->m_viewTypeName)
1668                     data[i] = templates[j];
1669             }
1670         }
1671     }
1672
1673     wxDocTemplate *theTemplate;
1674
1675     // the same logic as above
1676     switch ( n )
1677     {
1678         case 0:
1679             theTemplate = NULL;
1680             break;
1681
1682         case 1:
1683             theTemplate = data[0];
1684             break;
1685
1686         default:
1687             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1688                           (
1689                             _("Select a document view"),
1690                             _("Views"),
1691                             strings,
1692                             (void **)data,
1693                             wxFindSuitableParent()
1694                           );
1695
1696     }
1697
1698     delete[] data;
1699     return theTemplate;
1700 }
1701
1702 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1703 {
1704     if (!m_templates.Member(temp))
1705         m_templates.Append(temp);
1706 }
1707
1708 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1709 {
1710     m_templates.DeleteObject(temp);
1711 }
1712
1713 // Add and remove a document from the manager's list
1714 void wxDocManager::AddDocument(wxDocument *doc)
1715 {
1716     if (!m_docs.Member(doc))
1717         m_docs.Append(doc);
1718 }
1719
1720 void wxDocManager::RemoveDocument(wxDocument *doc)
1721 {
1722     m_docs.DeleteObject(doc);
1723 }
1724
1725 // Views or windows should inform the document manager
1726 // when a view is going in or out of focus
1727 void wxDocManager::ActivateView(wxView *view, bool activate)
1728 {
1729     if ( activate )
1730     {
1731         m_currentView = view;
1732     }
1733     else // deactivate
1734     {
1735         if ( m_currentView == view )
1736         {
1737             // don't keep stale pointer
1738             m_currentView = NULL;
1739         }
1740     }
1741 }
1742
1743 // ----------------------------------------------------------------------------
1744 // Default document child frame
1745 // ----------------------------------------------------------------------------
1746
1747 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1748     EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1749     EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1750 END_EVENT_TABLE()
1751
1752 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1753                                  wxView *view,
1754                                  wxFrame *frame,
1755                                  wxWindowID id,
1756                                  const wxString& title,
1757                                  const wxPoint& pos,
1758                                  const wxSize& size,
1759                                  long style,
1760                                  const wxString& name)
1761                : wxFrame(frame, id, title, pos, size, style, name)
1762 {
1763     m_childDocument = doc;
1764     m_childView = view;
1765     if (view)
1766         view->SetFrame(this);
1767 }
1768
1769 bool wxDocChildFrame::TryValidator(wxEvent& event)
1770 {
1771     if ( !m_childView )
1772         return false;
1773
1774     // FIXME: why is this needed here?
1775     m_childView->Activate(true);
1776
1777     return m_childView->ProcessEventHere(event);
1778 }
1779
1780 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1781 {
1782     wxFrame::OnActivate(event);
1783
1784     if (m_childView)
1785         m_childView->Activate(event.GetActive());
1786 }
1787
1788 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1789 {
1790     if (m_childView)
1791     {
1792         bool ans = event.CanVeto()
1793                     ? m_childView->Close(false) // false means don't delete associated window
1794                     : true; // Must delete.
1795
1796         if (ans)
1797         {
1798             m_childView->Activate(false);
1799             delete m_childView;
1800             m_childView = NULL;
1801             m_childDocument = NULL;
1802
1803             this->Destroy();
1804         }
1805         else
1806             event.Veto();
1807     }
1808     else
1809         event.Veto();
1810 }
1811
1812 // ----------------------------------------------------------------------------
1813 // Default parent frame
1814 // ----------------------------------------------------------------------------
1815
1816 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1817     EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1818     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1819     EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1820 END_EVENT_TABLE()
1821
1822 wxDocParentFrame::wxDocParentFrame()
1823 {
1824     m_docManager = NULL;
1825 }
1826
1827 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1828                                    wxFrame *frame,
1829                                    wxWindowID id,
1830                                    const wxString& title,
1831                                    const wxPoint& pos,
1832                                    const wxSize& size,
1833                                    long style,
1834                                    const wxString& name)
1835                 : wxFrame(frame, id, title, pos, size, style, name)
1836 {
1837     m_docManager = manager;
1838 }
1839
1840 bool wxDocParentFrame::Create(wxDocManager *manager,
1841                               wxFrame *frame,
1842                               wxWindowID id,
1843                               const wxString& title,
1844                               const wxPoint& pos,
1845                               const wxSize& size,
1846                               long style,
1847                               const wxString& name)
1848 {
1849     m_docManager = manager;
1850     return base_type::Create(frame, id, title, pos, size, style, name);
1851 }
1852
1853 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1854 {
1855     Close();
1856 }
1857
1858 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1859 {
1860     int n = event.GetId() - wxID_FILE1;  // the index in MRU list
1861     wxString filename(m_docManager->GetHistoryFile(n));
1862     if ( filename.empty() )
1863         return;
1864
1865     wxString errMsg; // must contain exactly one "%s" if non-empty
1866     if ( wxFile::Exists(filename) )
1867     {
1868         // try to open it
1869         if ( m_docManager->CreateDocument(filename, wxDOC_SILENT) )
1870             return;
1871
1872         errMsg = _("The file '%s' couldn't be opened.");
1873     }
1874     else // file doesn't exist
1875     {
1876         errMsg = _("The file '%s' doesn't exist and couldn't be opened.");
1877     }
1878
1879
1880     wxASSERT_MSG( !errMsg.empty(), "should have an error message" );
1881
1882     // remove the file which we can't open from the MRU list
1883     m_docManager->RemoveFileFromHistory(n);
1884
1885     // and tell the user about it
1886     wxLogError(errMsg + '\n' +
1887                _("It has been removed from the most recently used files list."),
1888                filename);
1889 }
1890
1891 // Extend event processing to search the view's event table
1892 bool wxDocParentFrame::TryValidator(wxEvent& event)
1893 {
1894     return m_docManager && m_docManager->ProcessEventHere(event);
1895 }
1896
1897 // Define the behaviour for the frame closing
1898 // - must delete all frames except for the main one.
1899 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1900 {
1901     if (m_docManager->Clear(!event.CanVeto()))
1902     {
1903         this->Destroy();
1904     }
1905     else
1906         event.Veto();
1907 }
1908
1909 #if wxUSE_PRINTING_ARCHITECTURE
1910
1911 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1912              : wxPrintout(title)
1913 {
1914     m_printoutView = view;
1915 }
1916
1917 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1918 {
1919     wxDC *dc = GetDC();
1920
1921     // Get the logical pixels per inch of screen and printer
1922     int ppiScreenX, ppiScreenY;
1923     GetPPIScreen(&ppiScreenX, &ppiScreenY);
1924     wxUnusedVar(ppiScreenY);
1925     int ppiPrinterX, ppiPrinterY;
1926     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
1927     wxUnusedVar(ppiPrinterY);
1928
1929     // This scales the DC so that the printout roughly represents the
1930     // the screen scaling. The text point size _should_ be the right size
1931     // but in fact is too small for some reason. This is a detail that will
1932     // need to be addressed at some point but can be fudged for the
1933     // moment.
1934     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
1935
1936     // Now we have to check in case our real page size is reduced
1937     // (e.g. because we're drawing to a print preview memory DC)
1938     int pageWidth, pageHeight;
1939     int w, h;
1940     dc->GetSize(&w, &h);
1941     GetPageSizePixels(&pageWidth, &pageHeight);
1942     wxUnusedVar(pageHeight);
1943
1944     // If printer pageWidth == current DC width, then this doesn't
1945     // change. But w might be the preview bitmap width, so scale down.
1946     float overallScale = scale * (float)(w/(float)pageWidth);
1947     dc->SetUserScale(overallScale, overallScale);
1948
1949     if (m_printoutView)
1950     {
1951         m_printoutView->OnDraw(dc);
1952     }
1953     return true;
1954 }
1955
1956 bool wxDocPrintout::HasPage(int pageNum)
1957 {
1958     return (pageNum == 1);
1959 }
1960
1961 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
1962 {
1963     if (!wxPrintout::OnBeginDocument(startPage, endPage))
1964         return false;
1965
1966     return true;
1967 }
1968
1969 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
1970 {
1971     *minPage = 1;
1972     *maxPage = 1;
1973     *selPageFrom = 1;
1974     *selPageTo = 1;
1975 }
1976
1977 #endif // wxUSE_PRINTING_ARCHITECTURE
1978
1979 // ----------------------------------------------------------------------------
1980 // File history (a.k.a. MRU, most recently used, files list)
1981 // ----------------------------------------------------------------------------
1982
1983 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
1984 {
1985     m_fileMaxFiles = maxFiles;
1986     m_idBase = idBase;
1987 }
1988
1989 void wxFileHistory::AddFileToHistory(const wxString& file)
1990 {
1991     // check if we don't already have this file
1992     const wxFileName fnNew(file);
1993     size_t i,
1994            numFiles = m_fileHistory.size();
1995     for ( i = 0; i < numFiles; i++ )
1996     {
1997         if ( fnNew == m_fileHistory[i] )
1998         {
1999             // we do have it, move it to the top of the history
2000             RemoveFileFromHistory(i);
2001             numFiles--;
2002             break;
2003         }
2004     }
2005
2006     // if we already have a full history, delete the one at the end
2007     if ( numFiles == m_fileMaxFiles )
2008     {
2009         RemoveFileFromHistory(--numFiles);
2010     }
2011
2012     // add a new menu item to all file menus (they will be updated below)
2013     for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2014         node;
2015         node = node->GetNext() )
2016     {
2017         wxMenu * const menu = (wxMenu *)node->GetData();
2018
2019         if ( !numFiles && menu->GetMenuItemCount() )
2020             menu->AppendSeparator();
2021
2022         // label doesn't matter, it will be set below anyhow, but it can't
2023         // be empty (this is supposed to indicate a stock item)
2024         menu->Append(m_idBase + numFiles, " ");
2025     }
2026
2027     // insert the new file in the beginning of the file history
2028     m_fileHistory.insert(m_fileHistory.begin(), file);
2029     numFiles++;
2030
2031     // update the labels in all menus
2032     for ( i = 0; i < numFiles; i++ )
2033     {
2034         // if in same directory just show the filename; otherwise the full path
2035         const wxFileName fnOld(m_fileHistory[i]);
2036
2037         wxString pathInMenu;
2038         if ( fnOld.GetPath() == fnNew.GetPath() )
2039         {
2040             pathInMenu = fnOld.GetFullName();
2041         }
2042         else // file in different directory
2043         {
2044             // absolute path; could also set relative path
2045             pathInMenu = m_fileHistory[i];
2046         }
2047
2048         for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2049               node;
2050               node = node->GetNext() )
2051         {
2052             wxMenu * const menu = (wxMenu *)node->GetData();
2053
2054             menu->SetLabel(m_idBase + i, GetMRUEntryLabel(i, pathInMenu));
2055         }
2056     }
2057 }
2058
2059 void wxFileHistory::RemoveFileFromHistory(size_t i)
2060 {
2061     size_t numFiles = m_fileHistory.size();
2062     wxCHECK_RET( i < numFiles,
2063                  wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2064
2065     // delete the element from the array
2066     m_fileHistory.RemoveAt(i);
2067     numFiles--;
2068
2069     for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2070           node;
2071           node = node->GetNext() )
2072     {
2073         wxMenu * const menu = (wxMenu *) node->GetData();
2074
2075         // shift filenames up
2076         for ( size_t j = i; j < numFiles; j++ )
2077         {
2078             menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j]));
2079         }
2080
2081         // delete the last menu item which is unused now
2082         const wxWindowID lastItemId = m_idBase + numFiles;
2083         if ( menu->FindItem(lastItemId) )
2084             menu->Delete(lastItemId);
2085
2086         // delete the last separator too if no more files are left
2087         if ( m_fileHistory.empty() )
2088         {
2089             const wxMenuItemList::compatibility_iterator
2090                 nodeLast = menu->GetMenuItems().GetLast();
2091             if ( nodeLast )
2092             {
2093                 wxMenuItem * const lastMenuItem = nodeLast->GetData();
2094                 if ( lastMenuItem->IsSeparator() )
2095                     menu->Delete(lastMenuItem);
2096             }
2097             //else: menu is empty somehow
2098         }
2099     }
2100 }
2101
2102 void wxFileHistory::UseMenu(wxMenu *menu)
2103 {
2104     if ( !m_fileMenus.Member(menu) )
2105         m_fileMenus.Append(menu);
2106 }
2107
2108 void wxFileHistory::RemoveMenu(wxMenu *menu)
2109 {
2110     m_fileMenus.DeleteObject(menu);
2111 }
2112
2113 #if wxUSE_CONFIG
2114 void wxFileHistory::Load(const wxConfigBase& config)
2115 {
2116     m_fileHistory.Clear();
2117
2118     wxString buf;
2119     buf.Printf(wxT("file%d"), 1);
2120
2121     wxString historyFile;
2122     while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
2123            config.Read(buf, &historyFile) && !historyFile.empty())
2124     {
2125         m_fileHistory.Add(historyFile);
2126
2127         buf.Printf(wxT("file%d"), (int)m_fileHistory.GetCount()+1);
2128         historyFile = wxEmptyString;
2129     }
2130
2131     AddFilesToMenu();
2132 }
2133
2134 void wxFileHistory::Save(wxConfigBase& config)
2135 {
2136     size_t i;
2137     for (i = 0; i < m_fileMaxFiles; i++)
2138     {
2139         wxString buf;
2140         buf.Printf(wxT("file%d"), (int)i+1);
2141         if (i < m_fileHistory.GetCount())
2142             config.Write(buf, wxString(m_fileHistory[i]));
2143         else
2144             config.Write(buf, wxEmptyString);
2145     }
2146 }
2147 #endif // wxUSE_CONFIG
2148
2149 void wxFileHistory::AddFilesToMenu()
2150 {
2151     if ( m_fileHistory.empty() )
2152         return;
2153
2154     for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2155           node;
2156           node = node->GetNext() )
2157     {
2158         AddFilesToMenu((wxMenu *) node->GetData());
2159     }
2160 }
2161
2162 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2163 {
2164     if ( m_fileHistory.empty() )
2165         return;
2166
2167     if ( menu->GetMenuItemCount() )
2168         menu->AppendSeparator();
2169
2170     for ( size_t i = 0; i < m_fileHistory.GetCount(); i++ )
2171     {
2172         menu->Append(m_idBase + i, GetMRUEntryLabel(i, m_fileHistory[i]));
2173     }
2174 }
2175
2176 // ----------------------------------------------------------------------------
2177 // Permits compatibility with existing file formats and functions that
2178 // manipulate files directly
2179 // ----------------------------------------------------------------------------
2180
2181 #if wxUSE_STD_IOSTREAM
2182
2183 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2184 {
2185     wxFFile file(filename, _T("rb"));
2186     if ( !file.IsOpened() )
2187         return false;
2188
2189     char buf[4096];
2190
2191     size_t nRead;
2192     do
2193     {
2194         nRead = file.Read(buf, WXSIZEOF(buf));
2195         if ( file.Error() )
2196             return false;
2197
2198         stream.write(buf, nRead);
2199         if ( !stream )
2200             return false;
2201     }
2202     while ( !file.Eof() );
2203
2204     return true;
2205 }
2206
2207 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2208 {
2209     wxFFile file(filename, _T("wb"));
2210     if ( !file.IsOpened() )
2211         return false;
2212
2213     char buf[4096];
2214     do
2215     {
2216         stream.read(buf, WXSIZEOF(buf));
2217         if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2218         {
2219             if ( !file.Write(buf, stream.gcount()) )
2220                 return false;
2221         }
2222     }
2223     while ( !stream.eof() );
2224
2225     return true;
2226 }
2227
2228 #else // !wxUSE_STD_IOSTREAM
2229
2230 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2231 {
2232     wxFFile file(filename, _T("rb"));
2233     if ( !file.IsOpened() )
2234         return false;
2235
2236     char buf[4096];
2237
2238     size_t nRead;
2239     do
2240     {
2241         nRead = file.Read(buf, WXSIZEOF(buf));
2242         if ( file.Error() )
2243             return false;
2244
2245         stream.Write(buf, nRead);
2246         if ( !stream )
2247             return false;
2248     }
2249     while ( !file.Eof() );
2250
2251     return true;
2252 }
2253
2254 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2255 {
2256     wxFFile file(filename, _T("wb"));
2257     if ( !file.IsOpened() )
2258         return false;
2259
2260     char buf[4096];
2261     for ( ;; )
2262     {
2263         stream.Read(buf, WXSIZEOF(buf));
2264
2265         const size_t nRead = stream.LastRead();
2266         if ( !nRead )
2267         {
2268             if ( stream.Eof() )
2269                 break;
2270
2271             return false;
2272         }
2273
2274         if ( !file.Write(buf, nRead) )
2275             return false;
2276     }
2277
2278     return true;
2279 }
2280
2281 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2282
2283 #endif // wxUSE_DOC_VIEW_ARCHITECTURE