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/stdpaths.h"
  60 #include "wx/vector.h"
  61 #include "wx/scopedarray.h"
  62 #include "wx/scopedptr.h"
  63 #include "wx/except.h"
  64
  65 #if wxUSE_STD_IOSTREAM
  66     #include "wx/ioswrap.h"
  67     #include "wx/beforestd.h"
  68     #if wxUSE_IOSTREAMH
  69         #include <fstream.h>
  70     #else
  71         #include <fstream>
  72     #endif
  73     #include "wx/afterstd.h"
  74 #else
  75     #include "wx/wfstream.h"
  76 #endif
  77
  78 typedef wxVector<wxDocTemplate *> wxDocTemplates;
  79
  80 // ----------------------------------------------------------------------------
  81 // wxWidgets macros
  82 // ----------------------------------------------------------------------------
  83
  84 IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
  85 IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
  86 IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
  87 IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
  88 IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
  89 IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
  90
  91 #if wxUSE_PRINTING_ARCHITECTURE
  92     IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
  93 #endif
  94
  95 // ============================================================================
  96 // implementation
  97 // ============================================================================
  98
  99 // ----------------------------------------------------------------------------
 100 // private helpers
 101 // ----------------------------------------------------------------------------
 102
 103 namespace
 104 {
 105
 106 wxString FindExtension(const wxString& path)
 107 {
 108     wxString ext;
 109     wxFileName::SplitPath(path, NULL, NULL, &ext);
 110
 111     // VZ: extensions are considered not case sensitive - is this really a good
 112     //     idea?
 113     return ext.MakeLower();
 114 }
 115
 116 } // anonymous namespace
 117
 118 // ----------------------------------------------------------------------------
 119 // Definition of wxDocument
 120 // ----------------------------------------------------------------------------
 121
 122 wxDocument::wxDocument(wxDocument *parent)
 123 {
 124     m_documentModified = false;
 125     m_documentTemplate = NULL;
 126
 127     m_documentParent = parent;
 128     if ( parent )
 129         parent->m_childDocuments.push_back(this);
 130
 131     m_commandProcessor = NULL;
 132     m_savedYet = false;
 133 }
 134
 135 bool wxDocument::DeleteContents()
 136 {
 137     return true;
 138 }
 139
 140 wxDocument::~wxDocument()
 141 {
 142     delete m_commandProcessor;
 143
 144     if (GetDocumentManager())
 145         GetDocumentManager()->RemoveDocument(this);
 146
 147     if ( m_documentParent )
 148         m_documentParent->m_childDocuments.remove(this);
 149
 150     // Not safe to do here, since it'll invoke virtual view functions
 151     // expecting to see valid derived objects: and by the time we get here,
 152     // we've called destructors higher up.
 153     //DeleteAllViews();
 154 }
 155
 156 bool wxDocument::Close()
 157 {
 158     if ( !OnSaveModified() )
 159         return false;
 160
 161     // When the parent document closes, its children must be closed as well as
 162     // they can't exist without the parent.
 163
 164     // As usual, first check if all children can be closed.
 165     DocsList::const_iterator it = m_childDocuments.begin();
 166     for ( DocsList::const_iterator end = m_childDocuments.end(); it != end; ++it )
 167     {
 168         if ( !(*it)->OnSaveModified() )
 169         {
 170             // Leave the parent document opened if a child can't close.
 171             return false;
 172         }
 173     }
 174
 175     // Now that they all did, do close them: as m_childDocuments is modified as
 176     // we iterate over it, don't use the usual for-style iteration here.
 177     while ( !m_childDocuments.empty() )
 178     {
 179         wxDocument * const childDoc = m_childDocuments.front();
 180
 181         // This will call OnSaveModified() once again but it shouldn't do
 182         // anything as the document was just saved or marked as not needing to
 183         // be saved by the call to OnSaveModified() that returned true above.
 184         if ( !childDoc->Close() )
 185         {
 186             wxFAIL_MSG( "Closing the child document unexpectedly failed "
 187                         "after its OnSaveModified() returned true" );
 188         }
 189
 190         // Delete the child document by deleting all its views.
 191         childDoc->DeleteAllViews();
 192     }
 193
 194
 195     return OnCloseDocument();
 196 }
 197
 198 bool wxDocument::OnCloseDocument()
 199 {
 200     // Tell all views that we're about to close
 201     NotifyClosing();
 202     DeleteContents();
 203     Modify(false);
 204     return true;
 205 }
 206
 207 // Note that this implicitly deletes the document when the last view is
 208 // deleted.
 209 bool wxDocument::DeleteAllViews()
 210 {
 211     wxDocManager* manager = GetDocumentManager();
 212
 213     // first check if all views agree to be closed
 214     const wxList::iterator end = m_documentViews.end();
 215     for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
 216     {
 217         wxView *view = (wxView *)*i;
 218         if ( !view->Close() )
 219             return false;
 220     }
 221
 222     // all views agreed to close, now do close them
 223     if ( m_documentViews.empty() )
 224     {
 225         // normally the document would be implicitly deleted when the last view
 226         // is, but if don't have any views, do it here instead
 227         if ( manager && manager->GetDocuments().Member(this) )
 228             delete this;
 229     }
 230     else // have views
 231     {
 232         // as we delete elements we iterate over, don't use the usual "from
 233         // begin to end" loop
 234         for ( ;; )
 235         {
 236             wxView *view = (wxView *)*m_documentViews.begin();
 237
 238             bool isLastOne = m_documentViews.size() == 1;
 239
 240             // this always deletes the node implicitly and if this is the last
 241             // view also deletes this object itself (also implicitly, great),
 242             // so we can't test for m_documentViews.empty() after calling this!
 243             delete view;
 244
 245             if ( isLastOne )
 246                 break;
 247         }
 248     }
 249
 250     return true;
 251 }
 252
 253 wxView *wxDocument::GetFirstView() const
 254 {
 255     if ( m_documentViews.empty() )
 256         return NULL;
 257
 258     return static_cast<wxView *>(m_documentViews.GetFirst()->GetData());
 259 }
 260
 261 void wxDocument::Modify(bool mod)
 262 {
 263     if (mod != m_documentModified)
 264     {
 265         m_documentModified = mod;
 266
 267         // Allow views to append asterix to the title
 268         wxView* view = GetFirstView();
 269         if (view) view->OnChangeFilename();
 270     }
 271 }
 272
 273 wxDocManager *wxDocument::GetDocumentManager() const
 274 {
 275     // For child documents we use the same document manager as the parent, even
 276     // though we don't have our own template (as children are not opened/saved
 277     // directly).
 278     if ( m_documentParent )
 279         return m_documentParent->GetDocumentManager();
 280
 281     return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
 282 }
 283
 284 bool wxDocument::OnNewDocument()
 285 {
 286     // notice that there is no need to neither reset nor even check the
 287     // modified flag here as the document itself is a new object (this is only
 288     // called from CreateDocument()) and so it shouldn't be saved anyhow even
 289     // if it is modified -- this could happen if the user code creates
 290     // documents pre-filled with some user-entered (and which hence must not be
 291     // lost) information
 292
 293     SetDocumentSaved(false);
 294
 295     const wxString name = GetDocumentManager()->MakeNewDocumentName();
 296     SetTitle(name);
 297     SetFilename(name, true);
 298
 299     return true;
 300 }
 301
 302 bool wxDocument::Save()
 303 {
 304     if ( AlreadySaved() )
 305         return true;
 306
 307     if ( m_documentFile.empty() || !m_savedYet )
 308         return SaveAs();
 309
 310     return OnSaveDocument(m_documentFile);
 311 }
 312
 313 bool wxDocument::SaveAs()
 314 {
 315     wxDocTemplate *docTemplate = GetDocumentTemplate();
 316     if (!docTemplate)
 317         return false;
 318
 319 #ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
 320     wxString filter = docTemplate->GetDescription() + wxT(" (") +
 321         docTemplate->GetFileFilter() + wxT(")|") +
 322         docTemplate->GetFileFilter();
 323
 324     // Now see if there are some other template with identical view and document
 325     // classes, whose filters may also be used.
 326     if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
 327     {
 328         wxList::compatibility_iterator
 329             node = docTemplate->GetDocumentManager()->GetTemplates().GetFirst();
 330         while (node)
 331         {
 332             wxDocTemplate *t = (wxDocTemplate*) node->GetData();
 333
 334             if (t->IsVisible() && t != docTemplate &&
 335                 t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
 336                 t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
 337             {
 338                 // add a '|' to separate this filter from the previous one
 339                 if ( !filter.empty() )
 340                     filter << wxT('|');
 341
 342                 filter << t->GetDescription()
 343                        << wxT(" (") << t->GetFileFilter() << wxT(") |")
 344                        << t->GetFileFilter();
 345             }
 346
 347             node = node->GetNext();
 348         }
 349     }
 350 #else
 351     wxString filter = docTemplate->GetFileFilter() ;
 352 #endif
 353
 354     wxString defaultDir = docTemplate->GetDirectory();
 355     if ( defaultDir.empty() )
 356     {
 357         defaultDir = wxPathOnly(GetFilename());
 358         if ( defaultDir.empty() )
 359             defaultDir = GetDocumentManager()->GetLastDirectory();
 360     }
 361
 362     wxString fileName = wxFileSelector(_("Save As"),
 363             defaultDir,
 364             wxFileNameFromPath(GetFilename()),
 365             docTemplate->GetDefaultExtension(),
 366             filter,
 367             wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
 368             GetDocumentWindow());
 369
 370     if (fileName.empty())
 371         return false; // cancelled by user
 372
 373     // Files that were not saved correctly are not added to the FileHistory.
 374     if (!OnSaveDocument(fileName))
 375         return false;
 376
 377     SetTitle(wxFileNameFromPath(fileName));
 378     SetFilename(fileName, true);    // will call OnChangeFileName automatically
 379
 380     // A file that doesn't use the default extension of its document template
 381     // cannot be opened via the FileHistory, so we do not add it.
 382     if (docTemplate->FileMatchesTemplate(fileName))
 383     {
 384         GetDocumentManager()->AddFileToHistory(fileName);
 385     }
 386     //else: the user will probably not be able to open the file again, so we
 387     //      could warn about the wrong file-extension here
 388
 389     return true;
 390 }
 391
 392 bool wxDocument::OnSaveDocument(const wxString& file)
 393 {
 394     if ( !file )
 395         return false;
 396
 397     if ( !DoSaveDocument(file) )
 398         return false;
 399
 400     if ( m_commandProcessor )
 401         m_commandProcessor->MarkAsSaved();
 402
 403     Modify(false);
 404     SetFilename(file);
 405     SetDocumentSaved(true);
 406 #if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
 407     wxFileName fn(file) ;
 408     fn.MacSetDefaultTypeAndCreator() ;
 409 #endif
 410     return true;
 411 }
 412
 413 bool wxDocument::OnOpenDocument(const wxString& file)
 414 {
 415     // notice that there is no need to check the modified flag here for the
 416     // reasons explained in OnNewDocument()
 417
 418     if ( !DoOpenDocument(file) )
 419         return false;
 420
 421     SetFilename(file, true);
 422
 423     // stretching the logic a little this does make sense because the document
 424     // had been saved into the file we just loaded it from, it just could have
 425     // happened during a previous program execution, it's just that the name of
 426     // this method is a bit unfortunate, it should probably have been called
 427     // HasAssociatedFileName()
 428     SetDocumentSaved(true);
 429
 430     UpdateAllViews();
 431
 432     return true;
 433 }
 434
 435 #if wxUSE_STD_IOSTREAM
 436 wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
 437 #else
 438 wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
 439 #endif
 440 {
 441     return stream;
 442 }
 443
 444 #if wxUSE_STD_IOSTREAM
 445 wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
 446 #else
 447 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
 448 #endif
 449 {
 450     return stream;
 451 }
 452
 453 bool wxDocument::Revert()
 454 {
 455     if ( wxMessageBox
 456          (
 457             _("Discard changes and reload the last saved version?"),
 458             wxTheApp->GetAppDisplayName(),
 459             wxYES_NO | wxCANCEL | wxICON_QUESTION,
 460             GetDocumentWindow()
 461           ) != wxYES )
 462         return false;
 463
 464     if ( !DoOpenDocument(GetFilename()) )
 465         return false;
 466
 467     Modify(false);
 468     UpdateAllViews();
 469
 470     return true;
 471 }
 472
 473
 474 // Get title, or filename if no title, else unnamed
 475 #if WXWIN_COMPATIBILITY_2_8
 476 bool wxDocument::GetPrintableName(wxString& buf) const
 477 {
 478     // this function cannot only be overridden by the user code but also
 479     // called by it so we need to ensure that we return the same thing as
 480     // GetUserReadableName() but we can't call it because this would result in
 481     // an infinite recursion, hence we use the helper DoGetUserReadableName()
 482     buf = DoGetUserReadableName();
 483
 484     return true;
 485 }
 486 #endif // WXWIN_COMPATIBILITY_2_8
 487
 488 wxString wxDocument::GetUserReadableName() const
 489 {
 490 #if WXWIN_COMPATIBILITY_2_8
 491     // we need to call the old virtual function to ensure that the overridden
 492     // version of it is still called
 493     wxString name;
 494     if ( GetPrintableName(name) )
 495         return name;
 496 #endif // WXWIN_COMPATIBILITY_2_8
 497
 498     return DoGetUserReadableName();
 499 }
 500
 501 wxString wxDocument::DoGetUserReadableName() const
 502 {
 503     if ( !m_documentTitle.empty() )
 504         return m_documentTitle;
 505
 506     if ( !m_documentFile.empty() )
 507         return wxFileNameFromPath(m_documentFile);
 508
 509     return _("unnamed");
 510 }
 511
 512 wxWindow *wxDocument::GetDocumentWindow() const
 513 {
 514     wxView * const view = GetFirstView();
 515
 516     return view ? view->GetFrame() : wxTheApp->GetTopWindow();
 517 }
 518
 519 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
 520 {
 521     return new wxCommandProcessor;
 522 }
 523
 524 // true if safe to close
 525 bool wxDocument::OnSaveModified()
 526 {
 527     if ( IsModified() )
 528     {
 529         switch ( wxMessageBox
 530                  (
 531                     wxString::Format
 532                     (
 533                      _("Do you want to save changes to %s?"),
 534                      GetUserReadableName()
 535                     ),
 536                     wxTheApp->GetAppDisplayName(),
 537                     wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE
 538                  ) )
 539         {
 540             case wxNO:
 541                 Modify(false);
 542                 break;
 543
 544             case wxYES:
 545                 return Save();
 546
 547             case wxCANCEL:
 548                 return false;
 549         }
 550     }
 551
 552     return true;
 553 }
 554
 555 bool wxDocument::Draw(wxDC& WXUNUSED(context))
 556 {
 557     return true;
 558 }
 559
 560 bool wxDocument::AddView(wxView *view)
 561 {
 562     if ( !m_documentViews.Member(view) )
 563     {
 564         m_documentViews.Append(view);
 565         OnChangedViewList();
 566     }
 567     return true;
 568 }
 569
 570 bool wxDocument::RemoveView(wxView *view)
 571 {
 572     (void)m_documentViews.DeleteObject(view);
 573     OnChangedViewList();
 574     return true;
 575 }
 576
 577 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
 578 {
 579     return GetDocumentTemplate()->CreateView(this, flags) != NULL;
 580 }
 581
 582 // Called after a view is added or removed.
 583 // The default implementation deletes the document if
 584 // there are no more views.
 585 void wxDocument::OnChangedViewList()
 586 {
 587     if ( m_documentViews.empty() && OnSaveModified() )
 588         delete this;
 589 }
 590
 591 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
 592 {
 593     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 594     while (node)
 595     {
 596         wxView *view = (wxView *)node->GetData();
 597         if (view != sender)
 598             view->OnUpdate(sender, hint);
 599         node = node->GetNext();
 600     }
 601 }
 602
 603 void wxDocument::NotifyClosing()
 604 {
 605     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 606     while (node)
 607     {
 608         wxView *view = (wxView *)node->GetData();
 609         view->OnClosingDocument();
 610         node = node->GetNext();
 611     }
 612 }
 613
 614 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
 615 {
 616     m_documentFile = filename;
 617     OnChangeFilename(notifyViews);
 618 }
 619
 620 void wxDocument::OnChangeFilename(bool notifyViews)
 621 {
 622     if ( notifyViews )
 623     {
 624         // Notify the views that the filename has changed
 625         wxList::compatibility_iterator node = m_documentViews.GetFirst();
 626         while (node)
 627         {
 628             wxView *view = (wxView *)node->GetData();
 629             view->OnChangeFilename();
 630             node = node->GetNext();
 631         }
 632     }
 633 }
 634
 635 bool wxDocument::DoSaveDocument(const wxString& file)
 636 {
 637 #if wxUSE_STD_IOSTREAM
 638     wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
 639     if ( !store )
 640 #else
 641     wxFileOutputStream store(file);
 642     if ( store.GetLastError() != wxSTREAM_NO_ERROR )
 643 #endif
 644     {
 645         wxLogError(_("File \"%s\" could not be opened for writing."), file);
 646         return false;
 647     }
 648
 649     if (!SaveObject(store))
 650     {
 651         wxLogError(_("Failed to save document to the file \"%s\"."), file);
 652         return false;
 653     }
 654
 655     return true;
 656 }
 657
 658 bool wxDocument::DoOpenDocument(const wxString& file)
 659 {
 660 #if wxUSE_STD_IOSTREAM
 661     wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
 662     if ( !store )
 663 #else
 664     wxFileInputStream store(file);
 665     if (store.GetLastError() != wxSTREAM_NO_ERROR || !store.IsOk())
 666 #endif
 667     {
 668         wxLogError(_("File \"%s\" could not be opened for reading."), file);
 669         return false;
 670     }
 671
 672 #if wxUSE_STD_IOSTREAM
 673     LoadObject(store);
 674     if ( !store )
 675 #else
 676     int res = LoadObject(store).GetLastError();
 677     if ( res != wxSTREAM_NO_ERROR && res != wxSTREAM_EOF )
 678 #endif
 679     {
 680         wxLogError(_("Failed to read document from the file \"%s\"."), file);
 681         return false;
 682     }
 683
 684     return true;
 685 }
 686
 687
 688 // ----------------------------------------------------------------------------
 689 // Document view
 690 // ----------------------------------------------------------------------------
 691
 692 wxView::wxView()
 693 {
 694     m_viewDocument = NULL;
 695
 696     m_viewFrame = NULL;
 697
 698     m_docChildFrame = NULL;
 699 }
 700
 701 wxView::~wxView()
 702 {
 703     if (m_viewDocument && GetDocumentManager())
 704         GetDocumentManager()->ActivateView(this, false);
 705
 706     // reset our frame view first, before removing it from the document as
 707     // SetView(NULL) is a simple call while RemoveView() may result in user
 708     // code being executed and this user code can, for example, show a message
 709     // box which would result in an activation event for m_docChildFrame and so
 710     // could reactivate the view being destroyed -- unless we reset it first
 711     if ( m_docChildFrame && m_docChildFrame->GetView() == this )
 712     {
 713         // prevent it from doing anything with us
 714         m_docChildFrame->SetView(NULL);
 715
 716         // it doesn't make sense to leave the frame alive if its associated
 717         // view doesn't exist any more so unconditionally close it as well
 718         //
 719         // notice that we only get here if m_docChildFrame is non-NULL in the
 720         // first place and it will be always NULL if we're deleted because our
 721         // frame was closed, so this only catches the case of directly deleting
 722         // the view, as it happens if its creation fails in wxDocTemplate::
 723         // CreateView() for example
 724         m_docChildFrame->GetWindow()->Destroy();
 725     }
 726
 727     if ( m_viewDocument )
 728         m_viewDocument->RemoveView(this);
 729 }
 730
 731 void wxView::SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame)
 732 {
 733     SetFrame(docChildFrame ? docChildFrame->GetWindow() : NULL);
 734     m_docChildFrame = docChildFrame;
 735 }
 736
 737 bool wxView::TryBefore(wxEvent& event)
 738 {
 739     wxDocument * const doc = GetDocument();
 740     return doc && doc->ProcessEventLocally(event);
 741 }
 742
 743 void wxView::OnActivateView(bool WXUNUSED(activate),
 744                             wxView *WXUNUSED(activeView),
 745                             wxView *WXUNUSED(deactiveView))
 746 {
 747 }
 748
 749 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
 750 {
 751     OnDraw(dc);
 752 }
 753
 754 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
 755 {
 756 }
 757
 758 void wxView::OnChangeFilename()
 759 {
 760     // GetFrame can return wxWindow rather than wxTopLevelWindow due to
 761     // generic MDI implementation so use SetLabel rather than SetTitle.
 762     // It should cause SetTitle() for top level windows.
 763     wxWindow *win = GetFrame();
 764     if (!win) return;
 765
 766     wxDocument *doc = GetDocument();
 767     if (!doc) return;
 768
 769     wxString label = doc->GetUserReadableName();
 770     if (doc->IsModified())
 771     {
 772        label += "*";
 773     }
 774     win->SetLabel(label);
 775 }
 776
 777 void wxView::SetDocument(wxDocument *doc)
 778 {
 779     m_viewDocument = doc;
 780     if (doc)
 781         doc->AddView(this);
 782 }
 783
 784 bool wxView::Close(bool deleteWindow)
 785 {
 786     return OnClose(deleteWindow);
 787 }
 788
 789 void wxView::Activate(bool activate)
 790 {
 791     if (GetDocument() && GetDocumentManager())
 792     {
 793         OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
 794         GetDocumentManager()->ActivateView(this, activate);
 795     }
 796 }
 797
 798 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
 799 {
 800     return GetDocument() ? GetDocument()->Close() : true;
 801 }
 802
 803 #if wxUSE_PRINTING_ARCHITECTURE
 804 wxPrintout *wxView::OnCreatePrintout()
 805 {
 806     return new wxDocPrintout(this);
 807 }
 808 #endif // wxUSE_PRINTING_ARCHITECTURE
 809
 810 // ----------------------------------------------------------------------------
 811 // wxDocTemplate
 812 // ----------------------------------------------------------------------------
 813
 814 wxDocTemplate::wxDocTemplate(wxDocManager *manager,
 815                              const wxString& descr,
 816                              const wxString& filter,
 817                              const wxString& dir,
 818                              const wxString& ext,
 819                              const wxString& docTypeName,
 820                              const wxString& viewTypeName,
 821                              wxClassInfo *docClassInfo,
 822                              wxClassInfo *viewClassInfo,
 823                              long flags)
 824 {
 825     m_documentManager = manager;
 826     m_description = descr;
 827     m_directory = dir;
 828     m_defaultExt = ext;
 829     m_fileFilter = filter;
 830     m_flags = flags;
 831     m_docTypeName = docTypeName;
 832     m_viewTypeName = viewTypeName;
 833     m_documentManager->AssociateTemplate(this);
 834
 835     m_docClassInfo = docClassInfo;
 836     m_viewClassInfo = viewClassInfo;
 837 }
 838
 839 wxDocTemplate::~wxDocTemplate()
 840 {
 841     m_documentManager->DisassociateTemplate(this);
 842 }
 843
 844 // Tries to dynamically construct an object of the right class.
 845 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
 846 {
 847     // InitDocument() is supposed to delete the document object if its
 848     // initialization fails so don't use wxScopedPtr<> here: this is fragile
 849     // but unavoidable because the default implementation uses CreateView()
 850     // which may -- or not -- create a wxView and if it does create it and its
 851     // initialization fails then the view destructor will delete the document
 852     // (via RemoveView()) and as we can't distinguish between the two cases we
 853     // just have to assume that it always deletes it in case of failure
 854     wxDocument * const doc = DoCreateDocument();
 855
 856     return doc && InitDocument(doc, path, flags) ? doc : NULL;
 857 }
 858
 859 bool
 860 wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
 861 {
 862     doc->SetFilename(path);
 863     doc->SetDocumentTemplate(this);
 864     GetDocumentManager()->AddDocument(doc);
 865     doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
 866
 867     if (doc->OnCreate(path, flags))
 868         return true;
 869
 870     if (GetDocumentManager()->GetDocuments().Member(doc))
 871         doc->DeleteAllViews();
 872     return false;
 873 }
 874
 875 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
 876 {
 877     wxScopedPtr<wxView> view(DoCreateView());
 878     if ( !view )
 879         return NULL;
 880
 881     view->SetDocument(doc);
 882     if ( !view->OnCreate(doc, flags) )
 883         return NULL;
 884
 885     return view.release();
 886 }
 887
 888 // The default (very primitive) format detection: check is the extension is
 889 // that of the template
 890 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
 891 {
 892     wxStringTokenizer parser (GetFileFilter(), wxT(";"));
 893     wxString anything = wxT ("*");
 894     while (parser.HasMoreTokens())
 895     {
 896         wxString filter = parser.GetNextToken();
 897         wxString filterExt = FindExtension (filter);
 898         if ( filter.IsSameAs (anything)    ||
 899              filterExt.IsSameAs (anything) ||
 900              filterExt.IsSameAs (FindExtension (path)) )
 901             return true;
 902     }
 903     return GetDefaultExtension().IsSameAs(FindExtension(path));
 904 }
 905
 906 wxDocument *wxDocTemplate::DoCreateDocument()
 907 {
 908     if (!m_docClassInfo)
 909         return NULL;
 910
 911     return static_cast<wxDocument *>(m_docClassInfo->CreateObject());
 912 }
 913
 914 wxView *wxDocTemplate::DoCreateView()
 915 {
 916     if (!m_viewClassInfo)
 917         return NULL;
 918
 919     return static_cast<wxView *>(m_viewClassInfo->CreateObject());
 920 }
 921
 922 // ----------------------------------------------------------------------------
 923 // wxDocManager
 924 // ----------------------------------------------------------------------------
 925
 926 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
 927     EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
 928     EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
 929     EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
 930     EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
 931     EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
 932     EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
 933     EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
 934     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
 935     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
 936
 937     // We don't know in advance how many items can there be in the MRU files
 938     // list so set up OnMRUFile() as a handler for all menu events and do the
 939     // check for the id of the menu item clicked inside it.
 940     EVT_MENU(wxID_ANY, wxDocManager::OnMRUFile)
 941
 942     EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
 943     EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateDisableIfNoDoc)
 944     EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateDisableIfNoDoc)
 945     EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
 946     EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
 947     EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
 948     EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
 949     EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
 950     EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
 951
 952 #if wxUSE_PRINTING_ARCHITECTURE
 953     EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
 954     EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
 955     EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPageSetup)
 956
 957     EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdateDisableIfNoDoc)
 958     EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
 959     // NB: we keep "Print setup" menu item always enabled as it can be used
 960     //     even without an active document
 961 #endif // wxUSE_PRINTING_ARCHITECTURE
 962 END_EVENT_TABLE()
 963
 964 wxDocManager* wxDocManager::sm_docManager = NULL;
 965
 966 wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
 967 {
 968     sm_docManager = this;
 969
 970     m_defaultDocumentNameCounter = 1;
 971     m_currentView = NULL;
 972     m_maxDocsOpen = INT_MAX;
 973     m_fileHistory = NULL;
 974     if ( initialize )
 975         Initialize();
 976 }
 977
 978 wxDocManager::~wxDocManager()
 979 {
 980     Clear();
 981     delete m_fileHistory;
 982     sm_docManager = NULL;
 983 }
 984
 985 // closes the specified document
 986 bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
 987 {
 988     if ( !doc->Close() && !force )
 989         return false;
 990
 991     // Implicitly deletes the document when
 992     // the last view is deleted
 993     doc->DeleteAllViews();
 994
 995     // Check we're really deleted
 996     if (m_docs.Member(doc))
 997         delete doc;
 998
 999     return true;
1000 }
1001
1002 bool wxDocManager::CloseDocuments(bool force)
1003 {
1004     wxList::compatibility_iterator node = m_docs.GetFirst();
1005     while (node)
1006     {
1007         wxDocument *doc = (wxDocument *)node->GetData();
1008         wxList::compatibility_iterator next = node->GetNext();
1009
1010         if (!CloseDocument(doc, force))
1011             return false;
1012
1013         // This assumes that documents are not connected in
1014         // any way, i.e. deleting one document does NOT
1015         // delete another.
1016         node = next;
1017     }
1018     return true;
1019 }
1020
1021 bool wxDocManager::Clear(bool force)
1022 {
1023     if (!CloseDocuments(force))
1024         return false;
1025
1026     m_currentView = NULL;
1027
1028     wxList::compatibility_iterator node = m_templates.GetFirst();
1029     while (node)
1030     {
1031         wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
1032         wxList::compatibility_iterator next = node->GetNext();
1033         delete templ;
1034         node = next;
1035     }
1036     return true;
1037 }
1038
1039 bool wxDocManager::Initialize()
1040 {
1041     m_fileHistory = OnCreateFileHistory();
1042     return true;
1043 }
1044
1045 wxString wxDocManager::GetLastDirectory() const
1046 {
1047     // if we haven't determined the last used directory yet, do it now
1048     if ( m_lastDirectory.empty() )
1049     {
1050         // we're going to modify m_lastDirectory in this const method, so do it
1051         // via non-const self pointer instead of const this one
1052         wxDocManager * const self = const_cast<wxDocManager *>(this);
1053
1054         // first try to reuse the directory of the most recently opened file:
1055         // this ensures that if the user opens a file, closes the program and
1056         // runs it again the "Open file" dialog will open in the directory of
1057         // the last file he used
1058         if ( m_fileHistory && m_fileHistory->GetCount() )
1059         {
1060             const wxString lastOpened = m_fileHistory->GetHistoryFile(0);
1061             const wxFileName fn(lastOpened);
1062             if ( fn.DirExists() )
1063             {
1064                 self->m_lastDirectory = fn.GetPath();
1065             }
1066             //else: should we try the next one?
1067         }
1068         //else: no history yet
1069
1070         // if we don't have any files in the history (yet?), use the
1071         // system-dependent default location for the document files
1072         if ( m_lastDirectory.empty() )
1073         {
1074             self->m_lastDirectory = wxStandardPaths::Get().GetAppDocumentsDir();
1075         }
1076     }
1077
1078     return m_lastDirectory;
1079 }
1080
1081 wxFileHistory *wxDocManager::OnCreateFileHistory()
1082 {
1083     return new wxFileHistory;
1084 }
1085
1086 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
1087 {
1088     wxDocument *doc = GetCurrentDocument();
1089     if (doc)
1090         CloseDocument(doc);
1091 }
1092
1093 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
1094 {
1095     CloseDocuments(false);
1096 }
1097
1098 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
1099 {
1100     CreateNewDocument();
1101 }
1102
1103 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
1104 {
1105     if ( !CreateDocument("") )
1106     {
1107         OnOpenFileFailure();
1108     }
1109 }
1110
1111 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
1112 {
1113     wxDocument *doc = GetCurrentDocument();
1114     if (!doc)
1115         return;
1116     doc->Revert();
1117 }
1118
1119 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
1120 {
1121     wxDocument *doc = GetCurrentDocument();
1122     if (!doc)
1123         return;
1124     doc->Save();
1125 }
1126
1127 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
1128 {
1129     wxDocument *doc = GetCurrentDocument();
1130     if (!doc)
1131         return;
1132     doc->SaveAs();
1133 }
1134
1135 void wxDocManager::OnMRUFile(wxCommandEvent& event)
1136 {
1137     // Check if the id is in the range assigned to MRU list entries.
1138     const int id = event.GetId();
1139     if ( id >= wxID_FILE1 &&
1140             id < wxID_FILE1 + static_cast<int>(m_fileHistory->GetCount()) )
1141     {
1142         DoOpenMRUFile(id - wxID_FILE1);
1143     }
1144     else
1145     {
1146         event.Skip();
1147     }
1148 }
1149
1150 void wxDocManager::DoOpenMRUFile(unsigned n)
1151 {
1152     wxString filename(GetHistoryFile(n));
1153     if ( filename.empty() )
1154         return;
1155
1156     wxString errMsg; // must contain exactly one "%s" if non-empty
1157     if ( wxFile::Exists(filename) )
1158     {
1159         // Try to open it but don't give an error if it failed: this could be
1160         // normal, e.g. because the user cancelled opening it, and we don't
1161         // have any useful information to put in the error message anyhow, so
1162         // we assume that in case of an error the appropriate message had been
1163         // already logged.
1164         (void)CreateDocument(filename, wxDOC_SILENT);
1165     }
1166     else // file doesn't exist
1167     {
1168         OnMRUFileNotExist(n, filename);
1169     }
1170 }
1171
1172 void wxDocManager::OnMRUFileNotExist(unsigned n, const wxString& filename)
1173 {
1174     // remove the file which we can't open from the MRU list
1175     RemoveFileFromHistory(n);
1176
1177     // and tell the user about it
1178     wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\n"
1179                  "It has been removed from the most recently used files list."),
1180                filename);
1181 }
1182
1183 #if wxUSE_PRINTING_ARCHITECTURE
1184
1185 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
1186 {
1187     wxView *view = GetActiveView();
1188     if (!view)
1189         return;
1190
1191     wxPrintout *printout = view->OnCreatePrintout();
1192     if (printout)
1193     {
1194         wxPrintDialogData printDialogData(m_pageSetupDialogData.GetPrintData());
1195         wxPrinter printer(&printDialogData);
1196         printer.Print(view->GetFrame(), printout, true);
1197
1198         delete printout;
1199     }
1200 }
1201
1202 void wxDocManager::OnPageSetup(wxCommandEvent& WXUNUSED(event))
1203 {
1204     wxPageSetupDialog dlg(wxTheApp->GetTopWindow(), &m_pageSetupDialogData);
1205     if ( dlg.ShowModal() == wxID_OK )
1206     {
1207         m_pageSetupDialogData = dlg.GetPageSetupData();
1208     }
1209 }
1210
1211 wxPreviewFrame* wxDocManager::CreatePreviewFrame(wxPrintPreviewBase* preview,
1212                                                  wxWindow *parent,
1213                                                  const wxString& title)
1214 {
1215     return new wxPreviewFrame(preview, parent, title);
1216 }
1217
1218 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
1219 {
1220     wxBusyCursor busy;
1221     wxView *view = GetActiveView();
1222     if (!view)
1223         return;
1224
1225     wxPrintout *printout = view->OnCreatePrintout();
1226     if (printout)
1227     {
1228         wxPrintDialogData printDialogData(m_pageSetupDialogData.GetPrintData());
1229
1230         // Pass two printout objects: for preview, and possible printing.
1231         wxPrintPreviewBase *
1232             preview = new wxPrintPreview(printout,
1233                                          view->OnCreatePrintout(),
1234                                          &printDialogData);
1235         if ( !preview->IsOk() )
1236         {
1237             delete preview;
1238             wxLogError(_("Print preview creation failed."));
1239             return;
1240         }
1241
1242         wxPreviewFrame* frame = CreatePreviewFrame(preview,
1243                                                    wxTheApp->GetTopWindow(),
1244                                                    _("Print Preview"));
1245         wxCHECK_RET( frame, "should create a print preview frame" );
1246
1247         frame->Centre(wxBOTH);
1248         frame->Initialize();
1249         frame->Show(true);
1250     }
1251 }
1252 #endif // wxUSE_PRINTING_ARCHITECTURE
1253
1254 void wxDocManager::OnUndo(wxCommandEvent& event)
1255 {
1256     wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
1257     if ( !cmdproc )
1258     {
1259         event.Skip();
1260         return;
1261     }
1262
1263     cmdproc->Undo();
1264 }
1265
1266 void wxDocManager::OnRedo(wxCommandEvent& event)
1267 {
1268     wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
1269     if ( !cmdproc )
1270     {
1271         event.Skip();
1272         return;
1273     }
1274
1275     cmdproc->Redo();
1276 }
1277
1278 // Handlers for UI update commands
1279
1280 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
1281 {
1282     // CreateDocument() (which is called from OnFileOpen) may succeed
1283     // only when there is at least a template:
1284     event.Enable( GetTemplates().GetCount()>0 );
1285 }
1286
1287 void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event)
1288 {
1289     event.Enable( GetCurrentDocument() != NULL );
1290 }
1291
1292 void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
1293 {
1294     wxDocument* doc = GetCurrentDocument();
1295     event.Enable(doc && doc->IsModified() && doc->GetDocumentSaved());
1296 }
1297
1298 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1299 {
1300     // CreateDocument() (which is called from OnFileNew) may succeed
1301     // only when there is at least a template:
1302     event.Enable( GetTemplates().GetCount()>0 );
1303 }
1304
1305 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1306 {
1307     wxDocument * const doc = GetCurrentDocument();
1308     event.Enable( doc && !doc->IsChildDocument() && !doc->AlreadySaved() );
1309 }
1310
1311 void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
1312 {
1313     wxDocument * const doc = GetCurrentDocument();
1314     event.Enable( doc && !doc->IsChildDocument() );
1315 }
1316
1317 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1318 {
1319     wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
1320     if ( !cmdproc )
1321     {
1322         event.Enable(false);
1323         return;
1324     }
1325
1326     event.Enable(cmdproc->CanUndo());
1327     cmdproc->SetMenuStrings();
1328 }
1329
1330 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1331 {
1332     wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
1333     if ( !cmdproc )
1334     {
1335         event.Enable(false);
1336         return;
1337     }
1338
1339     event.Enable(cmdproc->CanRedo());
1340     cmdproc->SetMenuStrings();
1341 }
1342
1343 wxView *wxDocManager::GetActiveView() const
1344 {
1345     wxView *view = GetCurrentView();
1346
1347     if ( !view && !m_docs.empty() )
1348     {
1349         // if we have exactly one document, consider its view to be the current
1350         // one
1351         //
1352         // VZ: I'm not exactly sure why is this needed but this is how this
1353         //     code used to behave before the bug #9518 was fixed and it seems
1354         //     safer to preserve the old logic
1355         wxList::compatibility_iterator node = m_docs.GetFirst();
1356         if ( !node->GetNext() )
1357         {
1358             wxDocument *doc = static_cast<wxDocument *>(node->GetData());
1359             view = doc->GetFirstView();
1360         }
1361         //else: we have more than one document
1362     }
1363
1364     return view;
1365 }
1366
1367 bool wxDocManager::TryBefore(wxEvent& event)
1368 {
1369     wxView * const view = GetActiveView();
1370     return view && view->ProcessEventLocally(event);
1371 }
1372
1373 namespace
1374 {
1375
1376 // helper function: return only the visible templates
1377 wxDocTemplates GetVisibleTemplates(const wxList& allTemplates)
1378 {
1379     // select only the visible templates
1380     const size_t totalNumTemplates = allTemplates.GetCount();
1381     wxDocTemplates templates;
1382     if ( totalNumTemplates )
1383     {
1384         templates.reserve(totalNumTemplates);
1385
1386         for ( wxList::const_iterator i = allTemplates.begin(),
1387                                    end = allTemplates.end();
1388               i != end;
1389               ++i )
1390         {
1391             wxDocTemplate * const temp = (wxDocTemplate *)*i;
1392             if ( temp->IsVisible() )
1393                 templates.push_back(temp);
1394         }
1395     }
1396
1397     return templates;
1398 }
1399
1400 } // anonymous namespace
1401
1402 void wxDocManager::ActivateDocument(wxDocument *doc)
1403 {
1404     wxView * const view = doc->GetFirstView();
1405     if ( !view )
1406         return;
1407
1408     view->Activate(true);
1409     if ( wxWindow *win = view->GetFrame() )
1410         win->SetFocus();
1411 }
1412
1413 wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
1414 {
1415     // this ought to be const but SelectDocumentType/Path() are not
1416     // const-correct and can't be changed as, being virtual, this risks
1417     // breaking user code overriding them
1418     wxDocTemplates templates(GetVisibleTemplates(m_templates));
1419     const size_t numTemplates = templates.size();
1420     if ( !numTemplates )
1421     {
1422         // no templates can be used, can't create document
1423         return NULL;
1424     }
1425
1426
1427     // normally user should select the template to use but wxDOC_SILENT flag we
1428     // choose one ourselves
1429     wxString path = pathOrig;   // may be modified below
1430     wxDocTemplate *temp;
1431     if ( flags & wxDOC_SILENT )
1432     {
1433         wxASSERT_MSG( !path.empty(),
1434                       "using empty path with wxDOC_SILENT doesn't make sense" );
1435
1436         temp = FindTemplateForPath(path);
1437         if ( !temp )
1438         {
1439             wxLogWarning(_("The format of file '%s' couldn't be determined."),
1440                          path);
1441         }
1442     }
1443     else // not silent, ask the user
1444     {
1445         // for the new file we need just the template, for an existing one we
1446         // need the template and the path, unless it's already specified
1447         if ( (flags & wxDOC_NEW) || !path.empty() )
1448             temp = SelectDocumentType(&templates[0], numTemplates);
1449         else
1450             temp = SelectDocumentPath(&templates[0], numTemplates, path, flags);
1451     }
1452
1453     if ( !temp )
1454         return NULL;
1455
1456     // check whether the document with this path is already opened
1457     if ( !path.empty() )
1458     {
1459         const wxFileName fn(path);
1460         for ( wxList::const_iterator i = m_docs.begin(); i != m_docs.end(); ++i )
1461         {
1462             wxDocument * const doc = (wxDocument*)*i;
1463
1464             if ( fn == doc->GetFilename() )
1465             {
1466                 // file already open, just activate it and return
1467                 ActivateDocument(doc);
1468                 return doc;
1469             }
1470         }
1471     }
1472
1473
1474     // no, we need to create a new document
1475
1476
1477     // if we've reached the max number of docs, close the first one.
1478     if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1479     {
1480         if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) )
1481         {
1482             // can't open the new document if closing the old one failed
1483             return NULL;
1484         }
1485     }
1486
1487
1488     // do create and initialize the new document finally
1489     wxDocument * const docNew = temp->CreateDocument(path, flags);
1490     if ( !docNew )
1491         return NULL;
1492
1493     docNew->SetDocumentName(temp->GetDocumentName());
1494     docNew->SetDocumentTemplate(temp);
1495
1496     wxTRY
1497     {
1498         // call the appropriate function depending on whether we're creating a
1499         // new file or opening an existing one
1500         if ( !(flags & wxDOC_NEW ? docNew->OnNewDocument()
1501                                  : docNew->OnOpenDocument(path)) )
1502         {
1503             docNew->DeleteAllViews();
1504             return NULL;
1505         }
1506     }
1507     wxCATCH_ALL( docNew->DeleteAllViews(); throw; )
1508
1509     // add the successfully opened file to MRU, but only if we're going to be
1510     // able to reopen it successfully later which requires the template for
1511     // this document to be retrievable from the file extension
1512     if ( !(flags & wxDOC_NEW) && temp->FileMatchesTemplate(path) )
1513         AddFileToHistory(path);
1514
1515     // at least under Mac (where views are top level windows) it seems to be
1516     // necessary to manually activate the new document to bring it to the
1517     // forefront -- and it shouldn't hurt doing this under the other platforms
1518     ActivateDocument(docNew);
1519
1520     return docNew;
1521 }
1522
1523 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1524 {
1525     wxDocTemplates templates(GetVisibleTemplates(m_templates));
1526     const size_t numTemplates = templates.size();
1527
1528     if ( numTemplates == 0 )
1529         return NULL;
1530
1531     wxDocTemplate * const
1532     temp = numTemplates == 1 ? templates[0]
1533                              : SelectViewType(&templates[0], numTemplates);
1534
1535     if ( !temp )
1536         return NULL;
1537
1538     wxView *view = temp->CreateView(doc, flags);
1539     if ( view )
1540         view->SetViewName(temp->GetViewName());
1541     return view;
1542 }
1543
1544 // Not yet implemented
1545 void
1546 wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1547 {
1548 }
1549
1550 // Not yet implemented
1551 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1552 {
1553     return false;
1554 }
1555
1556 wxDocument *wxDocManager::GetCurrentDocument() const
1557 {
1558     wxView * const view = GetActiveView();
1559     return view ? view->GetDocument() : NULL;
1560 }
1561
1562 wxCommandProcessor *wxDocManager::GetCurrentCommandProcessor() const
1563 {
1564     wxDocument * const doc = GetCurrentDocument();
1565     return doc ? doc->GetCommandProcessor() : NULL;
1566 }
1567
1568 // Make a default name for a new document
1569 #if WXWIN_COMPATIBILITY_2_8
1570 bool wxDocManager::MakeDefaultName(wxString& WXUNUSED(name))
1571 {
1572     // we consider that this function can only be overridden by the user code,
1573     // not called by it as it only makes sense to call it internally, so we
1574     // don't bother to return anything from here
1575     return false;
1576 }
1577 #endif // WXWIN_COMPATIBILITY_2_8
1578
1579 wxString wxDocManager::MakeNewDocumentName()
1580 {
1581     wxString name;
1582
1583 #if WXWIN_COMPATIBILITY_2_8
1584     if ( !MakeDefaultName(name) )
1585 #endif // WXWIN_COMPATIBILITY_2_8
1586     {
1587         name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1588         m_defaultDocumentNameCounter++;
1589     }
1590
1591     return name;
1592 }
1593
1594 // Make a frame title (override this to do something different)
1595 // If docName is empty, a document is not currently active.
1596 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1597 {
1598     wxString appName = wxTheApp->GetAppDisplayName();
1599     wxString title;
1600     if (!doc)
1601         title = appName;
1602     else
1603     {
1604         wxString docName = doc->GetUserReadableName();
1605         title = docName + wxString(_(" - ")) + appName;
1606     }
1607     return title;
1608 }
1609
1610
1611 // Not yet implemented
1612 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1613 {
1614     return NULL;
1615 }
1616
1617 // File history management
1618 void wxDocManager::AddFileToHistory(const wxString& file)
1619 {
1620     if (m_fileHistory)
1621         m_fileHistory->AddFileToHistory(file);
1622 }
1623
1624 void wxDocManager::RemoveFileFromHistory(size_t i)
1625 {
1626     if (m_fileHistory)
1627         m_fileHistory->RemoveFileFromHistory(i);
1628 }
1629
1630 wxString wxDocManager::GetHistoryFile(size_t i) const
1631 {
1632     wxString histFile;
1633
1634     if (m_fileHistory)
1635         histFile = m_fileHistory->GetHistoryFile(i);
1636
1637     return histFile;
1638 }
1639
1640 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1641 {
1642     if (m_fileHistory)
1643         m_fileHistory->UseMenu(menu);
1644 }
1645
1646 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1647 {
1648     if (m_fileHistory)
1649         m_fileHistory->RemoveMenu(menu);
1650 }
1651
1652 #if wxUSE_CONFIG
1653 void wxDocManager::FileHistoryLoad(const wxConfigBase& config)
1654 {
1655     if (m_fileHistory)
1656         m_fileHistory->Load(config);
1657 }
1658
1659 void wxDocManager::FileHistorySave(wxConfigBase& config)
1660 {
1661     if (m_fileHistory)
1662         m_fileHistory->Save(config);
1663 }
1664 #endif
1665
1666 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1667 {
1668     if (m_fileHistory)
1669         m_fileHistory->AddFilesToMenu(menu);
1670 }
1671
1672 void wxDocManager::FileHistoryAddFilesToMenu()
1673 {
1674     if (m_fileHistory)
1675         m_fileHistory->AddFilesToMenu();
1676 }
1677
1678 size_t wxDocManager::GetHistoryFilesCount() const
1679 {
1680     return m_fileHistory ? m_fileHistory->GetCount() : 0;
1681 }
1682
1683
1684 // Find out the document template via matching in the document file format
1685 // against that of the template
1686 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1687 {
1688     wxDocTemplate *theTemplate = NULL;
1689
1690     // Find the template which this extension corresponds to
1691     for (size_t i = 0; i < m_templates.GetCount(); i++)
1692     {
1693         wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1694         if ( temp->FileMatchesTemplate(path) )
1695         {
1696             theTemplate = temp;
1697             break;
1698         }
1699     }
1700     return theTemplate;
1701 }
1702
1703 // Prompts user to open a file, using file specs in templates.
1704 // Must extend the file selector dialog or implement own; OR
1705 // match the extension to the template extension.
1706
1707 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1708                                                 int noTemplates,
1709                                                 wxString& path,
1710                                                 long WXUNUSED(flags),
1711                                                 bool WXUNUSED(save))
1712 {
1713 #ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
1714     wxString descrBuf;
1715
1716     for (int i = 0; i < noTemplates; i++)
1717     {
1718         if (templates[i]->IsVisible())
1719         {
1720             // add a '|' to separate this filter from the previous one
1721             if ( !descrBuf.empty() )
1722                 descrBuf << wxT('|');
1723
1724             descrBuf << templates[i]->GetDescription()
1725                 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1726                 << templates[i]->GetFileFilter();
1727         }
1728     }
1729 #else
1730     wxString descrBuf = wxT("*.*");
1731     wxUnusedVar(noTemplates);
1732 #endif
1733
1734     int FilterIndex = -1;
1735
1736     wxString pathTmp = wxFileSelectorEx(_("Open File"),
1737                                         GetLastDirectory(),
1738                                         wxEmptyString,
1739                                         &FilterIndex,
1740                                         descrBuf,
1741                                         wxFD_OPEN | wxFD_FILE_MUST_EXIST);
1742
1743     wxDocTemplate *theTemplate = NULL;
1744     if (!pathTmp.empty())
1745     {
1746         if (!wxFileExists(pathTmp))
1747         {
1748             wxString msgTitle;
1749             if (!wxTheApp->GetAppDisplayName().empty())
1750                 msgTitle = wxTheApp->GetAppDisplayName();
1751             else
1752                 msgTitle = wxString(_("File error"));
1753
1754             wxMessageBox(_("Sorry, could not open this file."),
1755                          msgTitle,
1756                          wxOK | wxICON_EXCLAMATION | wxCENTRE);
1757
1758             path = wxEmptyString;
1759             return NULL;
1760         }
1761
1762         SetLastDirectory(wxPathOnly(pathTmp));
1763
1764         path = pathTmp;
1765
1766         // first choose the template using the extension, if this fails (i.e.
1767         // wxFileSelectorEx() didn't fill it), then use the path
1768         if ( FilterIndex != -1 )
1769             theTemplate = templates[FilterIndex];
1770         if ( !theTemplate )
1771             theTemplate = FindTemplateForPath(path);
1772         if ( !theTemplate )
1773         {
1774             // Since we do not add files with non-default extensions to the
1775             // file history this can only happen if the application changes the
1776             // allowed templates in runtime.
1777             wxMessageBox(_("Sorry, the format for this file is unknown."),
1778                          _("Open File"),
1779                          wxOK | wxICON_EXCLAMATION | wxCENTRE);
1780         }
1781     }
1782     else
1783     {
1784         path.clear();
1785     }
1786
1787     return theTemplate;
1788 }
1789
1790 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1791                                                 int noTemplates, bool sort)
1792 {
1793     wxArrayString strings;
1794     wxScopedArray<wxDocTemplate *> data(new wxDocTemplate *[noTemplates]);
1795     int i;
1796     int n = 0;
1797
1798     for (i = 0; i < noTemplates; i++)
1799     {
1800         if (templates[i]->IsVisible())
1801         {
1802             int j;
1803             bool want = true;
1804             for (j = 0; j < n; j++)
1805             {
1806                 //filter out NOT unique documents + view combinations
1807                 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1808                      templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1809                    )
1810                     want = false;
1811             }
1812
1813             if ( want )
1814             {
1815                 strings.Add(templates[i]->m_description);
1816
1817                 data[n] = templates[i];
1818                 n ++;
1819             }
1820         }
1821     }  // for
1822
1823     if (sort)
1824     {
1825         strings.Sort(); // ascending sort
1826         // Yes, this will be slow, but template lists
1827         // are typically short.
1828         int j;
1829         n = strings.Count();
1830         for (i = 0; i < n; i++)
1831         {
1832             for (j = 0; j < noTemplates; j++)
1833             {
1834                 if (strings[i] == templates[j]->m_description)
1835                     data[i] = templates[j];
1836             }
1837         }
1838     }
1839
1840     wxDocTemplate *theTemplate;
1841
1842     switch ( n )
1843     {
1844         case 0:
1845             // no visible templates, hence nothing to choose from
1846             theTemplate = NULL;
1847             break;
1848
1849         case 1:
1850             // don't propose the user to choose if he has no choice
1851             theTemplate = data[0];
1852             break;
1853
1854         default:
1855             // propose the user to choose one of several
1856             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1857                           (
1858                             _("Select a document template"),
1859                             _("Templates"),
1860                             strings,
1861                             (void **)data.get()
1862                           );
1863     }
1864
1865     return theTemplate;
1866 }
1867
1868 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1869                                             int noTemplates, bool sort)
1870 {
1871     wxArrayString strings;
1872     wxScopedArray<wxDocTemplate *> data(new wxDocTemplate *[noTemplates]);
1873     int i;
1874     int n = 0;
1875
1876     for (i = 0; i < noTemplates; i++)
1877     {
1878         wxDocTemplate *templ = templates[i];
1879         if ( templ->IsVisible() && !templ->GetViewName().empty() )
1880         {
1881             int j;
1882             bool want = true;
1883             for (j = 0; j < n; j++)
1884             {
1885                 //filter out NOT unique views
1886                 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1887                     want = false;
1888             }
1889
1890             if ( want )
1891             {
1892                 strings.Add(templ->m_viewTypeName);
1893                 data[n] = templ;
1894                 n ++;
1895             }
1896         }
1897     }
1898
1899     if (sort)
1900     {
1901         strings.Sort(); // ascending sort
1902         // Yes, this will be slow, but template lists
1903         // are typically short.
1904         int j;
1905         n = strings.Count();
1906         for (i = 0; i < n; i++)
1907         {
1908             for (j = 0; j < noTemplates; j++)
1909             {
1910                 if (strings[i] == templates[j]->m_viewTypeName)
1911                     data[i] = templates[j];
1912             }
1913         }
1914     }
1915
1916     wxDocTemplate *theTemplate;
1917
1918     // the same logic as above
1919     switch ( n )
1920     {
1921         case 0:
1922             theTemplate = NULL;
1923             break;
1924
1925         case 1:
1926             theTemplate = data[0];
1927             break;
1928
1929         default:
1930             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1931                           (
1932                             _("Select a document view"),
1933                             _("Views"),
1934                             strings,
1935                             (void **)data.get()
1936                           );
1937
1938     }
1939
1940     return theTemplate;
1941 }
1942
1943 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1944 {
1945     if (!m_templates.Member(temp))
1946         m_templates.Append(temp);
1947 }
1948
1949 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1950 {
1951     m_templates.DeleteObject(temp);
1952 }
1953
1954 wxDocTemplate* wxDocManager::FindTemplate(const wxClassInfo* classinfo)
1955 {
1956    for ( wxList::compatibility_iterator node = m_templates.GetFirst();
1957          node;
1958          node = node->GetNext() )
1959    {
1960       wxDocTemplate* t = wxStaticCast(node->GetData(), wxDocTemplate);
1961       if ( t->GetDocClassInfo() == classinfo )
1962          return t;
1963    }
1964
1965    return NULL;
1966 }
1967
1968 // Add and remove a document from the manager's list
1969 void wxDocManager::AddDocument(wxDocument *doc)
1970 {
1971     if (!m_docs.Member(doc))
1972         m_docs.Append(doc);
1973 }
1974
1975 void wxDocManager::RemoveDocument(wxDocument *doc)
1976 {
1977     m_docs.DeleteObject(doc);
1978 }
1979
1980 // Views or windows should inform the document manager
1981 // when a view is going in or out of focus
1982 void wxDocManager::ActivateView(wxView *view, bool activate)
1983 {
1984     if ( activate )
1985     {
1986         m_currentView = view;
1987     }
1988     else // deactivate
1989     {
1990         if ( m_currentView == view )
1991         {
1992             // don't keep stale pointer
1993             m_currentView = NULL;
1994         }
1995     }
1996 }
1997
1998 // ----------------------------------------------------------------------------
1999 // wxDocChildFrameAnyBase
2000 // ----------------------------------------------------------------------------
2001
2002 bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event)
2003 {
2004     if ( m_childView )
2005     {
2006         // notice that we must call wxView::Close() and OnClose() called from
2007         // it in any case, even if we know that we are going to close anyhow
2008         if ( !m_childView->Close(false) && event.CanVeto() )
2009         {
2010             event.Veto();
2011             return false;
2012         }
2013
2014         m_childView->Activate(false);
2015
2016         // it is important to reset m_childView frame pointer to NULL before
2017         // deleting it because while normally it is the frame which deletes the
2018         // view when it's closed, the view also closes the frame if it is
2019         // deleted directly not by us as indicated by its doc child frame
2020         // pointer still being set
2021         m_childView->SetDocChildFrame(NULL);
2022         wxDELETE(m_childView);
2023     }
2024
2025     m_childDocument = NULL;
2026
2027     return true;
2028 }
2029
2030 // ----------------------------------------------------------------------------
2031 // wxDocParentFrameAnyBase
2032 // ----------------------------------------------------------------------------
2033
2034 #if wxUSE_PRINTING_ARCHITECTURE
2035
2036 namespace
2037 {
2038
2039 wxString GetAppropriateTitle(const wxView *view, const wxString& titleGiven)
2040 {
2041     wxString title(titleGiven);
2042     if ( title.empty() )
2043     {
2044         if ( view && view->GetDocument() )
2045             title = view->GetDocument()->GetUserReadableName();
2046         else
2047             title = _("Printout");
2048     }
2049
2050     return title;
2051 }
2052
2053 } // anonymous namespace
2054
2055 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
2056              : wxPrintout(GetAppropriateTitle(view, title))
2057 {
2058     m_printoutView = view;
2059 }
2060
2061 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
2062 {
2063     wxDC *dc = GetDC();
2064
2065     // Get the logical pixels per inch of screen and printer
2066     int ppiScreenX, ppiScreenY;
2067     GetPPIScreen(&ppiScreenX, &ppiScreenY);
2068     wxUnusedVar(ppiScreenY);
2069     int ppiPrinterX, ppiPrinterY;
2070     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
2071     wxUnusedVar(ppiPrinterY);
2072
2073     // This scales the DC so that the printout roughly represents the
2074     // the screen scaling. The text point size _should_ be the right size
2075     // but in fact is too small for some reason. This is a detail that will
2076     // need to be addressed at some point but can be fudged for the
2077     // moment.
2078     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
2079
2080     // Now we have to check in case our real page size is reduced
2081     // (e.g. because we're drawing to a print preview memory DC)
2082     int pageWidth, pageHeight;
2083     int w, h;
2084     dc->GetSize(&w, &h);
2085     GetPageSizePixels(&pageWidth, &pageHeight);
2086     wxUnusedVar(pageHeight);
2087
2088     // If printer pageWidth == current DC width, then this doesn't
2089     // change. But w might be the preview bitmap width, so scale down.
2090     float overallScale = scale * (float)(w/(float)pageWidth);
2091     dc->SetUserScale(overallScale, overallScale);
2092
2093     if (m_printoutView)
2094     {
2095         m_printoutView->OnDraw(dc);
2096     }
2097     return true;
2098 }
2099
2100 bool wxDocPrintout::HasPage(int pageNum)
2101 {
2102     return (pageNum == 1);
2103 }
2104
2105 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
2106 {
2107     if (!wxPrintout::OnBeginDocument(startPage, endPage))
2108         return false;
2109
2110     return true;
2111 }
2112
2113 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage,
2114                                 int *selPageFrom, int *selPageTo)
2115 {
2116     *minPage = 1;
2117     *maxPage = 1;
2118     *selPageFrom = 1;
2119     *selPageTo = 1;
2120 }
2121
2122 #endif // wxUSE_PRINTING_ARCHITECTURE
2123
2124 // ----------------------------------------------------------------------------
2125 // Permits compatibility with existing file formats and functions that
2126 // manipulate files directly
2127 // ----------------------------------------------------------------------------
2128
2129 #if wxUSE_STD_IOSTREAM
2130
2131 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2132 {
2133 #if wxUSE_FFILE
2134     wxFFile file(filename, wxT("rb"));
2135 #elif wxUSE_FILE
2136     wxFile file(filename, wxFile::read);
2137 #endif
2138     if ( !file.IsOpened() )
2139         return false;
2140
2141     char buf[4096];
2142
2143     size_t nRead;
2144     do
2145     {
2146         nRead = file.Read(buf, WXSIZEOF(buf));
2147         if ( file.Error() )
2148             return false;
2149
2150         stream.write(buf, nRead);
2151         if ( !stream )
2152             return false;
2153     }
2154     while ( !file.Eof() );
2155
2156     return true;
2157 }
2158
2159 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2160 {
2161 #if wxUSE_FFILE
2162     wxFFile file(filename, wxT("wb"));
2163 #elif wxUSE_FILE
2164     wxFile file(filename, wxFile::write);
2165 #endif
2166     if ( !file.IsOpened() )
2167         return false;
2168
2169     char buf[4096];
2170     do
2171     {
2172         stream.read(buf, WXSIZEOF(buf));
2173         if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2174         {
2175             if ( !file.Write(buf, stream.gcount()) )
2176                 return false;
2177         }
2178     }
2179     while ( !stream.eof() );
2180
2181     return true;
2182 }
2183
2184 #else // !wxUSE_STD_IOSTREAM
2185
2186 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2187 {
2188 #if wxUSE_FFILE
2189     wxFFile file(filename, wxT("rb"));
2190 #elif wxUSE_FILE
2191     wxFile file(filename, wxFile::read);
2192 #endif
2193     if ( !file.IsOpened() )
2194         return false;
2195
2196     char buf[4096];
2197
2198     size_t nRead;
2199     do
2200     {
2201         nRead = file.Read(buf, WXSIZEOF(buf));
2202         if ( file.Error() )
2203             return false;
2204
2205         stream.Write(buf, nRead);
2206         if ( !stream )
2207             return false;
2208     }
2209     while ( !file.Eof() );
2210
2211     return true;
2212 }
2213
2214 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2215 {
2216 #if wxUSE_FFILE
2217     wxFFile file(filename, wxT("wb"));
2218 #elif wxUSE_FILE
2219     wxFile file(filename, wxFile::write);
2220 #endif
2221     if ( !file.IsOpened() )
2222         return false;
2223
2224     char buf[4096];
2225     for ( ;; )
2226     {
2227         stream.Read(buf, WXSIZEOF(buf));
2228
2229         const size_t nRead = stream.LastRead();
2230         if ( !nRead )
2231         {
2232             if ( stream.Eof() )
2233                 break;
2234
2235             return false;
2236         }
2237
2238         if ( !file.Write(buf, nRead) )
2239             return false;
2240     }
2241
2242     return true;
2243 }
2244
2245 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2246
2247 #endif // wxUSE_DOC_VIEW_ARCHITECTURE