src/common/docview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/docview.cpp
   3 // Purpose:     Document/view classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "docview.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28   #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_DOC_VIEW_ARCHITECTURE
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/string.h"
  35     #include "wx/utils.h"
  36     #include "wx/app.h"
  37     #include "wx/dc.h"
  38     #include "wx/dialog.h"
  39     #include "wx/menu.h"
  40     #include "wx/list.h"
  41     #include "wx/filedlg.h"
  42     #include "wx/intl.h"
  43     #include "wx/log.h"
  44 #endif
  45
  46 #include "wx/ffile.h"
  47
  48 #ifdef __WXMAC__
  49     #include "wx/filename.h"
  50 #endif
  51
  52 #ifdef __WXGTK__
  53     #include "wx/mdi.h"
  54 #endif
  55
  56 #if wxUSE_PRINTING_ARCHITECTURE
  57   #include "wx/prntbase.h"
  58   #include "wx/printdlg.h"
  59 #endif
  60
  61 #include "wx/msgdlg.h"
  62 #include "wx/choicdlg.h"
  63 #include "wx/docview.h"
  64 #include "wx/confbase.h"
  65 #include "wx/file.h"
  66 #include "wx/cmdproc.h"
  67
  68 #include <stdio.h>
  69 #include <string.h>
  70
  71 #if wxUSE_STD_IOSTREAM
  72   #include "wx/ioswrap.h"
  73   #if wxUSE_IOSTREAMH
  74     #include <fstream.h>
  75   #else
  76     #include <fstream>
  77   #endif
  78 #else
  79   #include "wx/wfstream.h"
  80 #endif
  81
  82 // ----------------------------------------------------------------------------
  83 // wxWindows macros
  84 // ----------------------------------------------------------------------------
  85
  86 IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
  87 IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
  88 IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
  89 IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
  90 IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
  91 IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
  92
  93 #if wxUSE_PRINTING_ARCHITECTURE
  94     IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
  95 #endif
  96
  97 IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
  98
  99 // ----------------------------------------------------------------------------
 100 // function prototypes
 101 // ----------------------------------------------------------------------------
 102
 103 static inline wxString FindExtension(const wxChar *path);
 104 static wxWindow* wxFindSuitableParent(void);
 105
 106 // ----------------------------------------------------------------------------
 107 // local constants
 108 // ----------------------------------------------------------------------------
 109
 110 static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
 111
 112 // ============================================================================
 113 // implementation
 114 // ============================================================================
 115
 116 // ----------------------------------------------------------------------------
 117 // local functions
 118 // ----------------------------------------------------------------------------
 119
 120 static wxString FindExtension(const wxChar *path)
 121 {
 122     wxString ext;
 123     wxSplitPath(path, NULL, NULL, &ext);
 124
 125     // VZ: extensions are considered not case sensitive - is this really a good
 126     //     idea?
 127     return ext.MakeLower();
 128 }
 129
 130 // ----------------------------------------------------------------------------
 131 // Definition of wxDocument
 132 // ----------------------------------------------------------------------------
 133
 134 wxDocument::wxDocument(wxDocument *parent)
 135 {
 136     m_documentModified = FALSE;
 137     m_documentParent = parent;
 138     m_documentTemplate = (wxDocTemplate *) NULL;
 139     m_commandProcessor = (wxCommandProcessor*) NULL;
 140     m_savedYet = FALSE;
 141 }
 142
 143 bool wxDocument::DeleteContents()
 144 {
 145     return TRUE;
 146 }
 147
 148 wxDocument::~wxDocument()
 149 {
 150     DeleteContents();
 151
 152     if (m_commandProcessor)
 153         delete m_commandProcessor;
 154
 155     if (GetDocumentManager())
 156         GetDocumentManager()->RemoveDocument(this);
 157
 158     // Not safe to do here, since it'll invoke virtual view functions
 159     // expecting to see valid derived objects: and by the time we get here,
 160     // we've called destructors higher up.
 161     //DeleteAllViews();
 162 }
 163
 164 bool wxDocument::Close()
 165 {
 166     if (OnSaveModified())
 167         return OnCloseDocument();
 168     else
 169         return FALSE;
 170 }
 171
 172 bool wxDocument::OnCloseDocument()
 173 {
 174     // Tell all views that we're about to close
 175     NotifyClosing();
 176     DeleteContents();
 177     Modify(FALSE);
 178     return TRUE;
 179 }
 180
 181 // Note that this implicitly deletes the document when the last view is
 182 // deleted.
 183 bool wxDocument::DeleteAllViews()
 184 {
 185     wxDocManager* manager = GetDocumentManager();
 186     wxList::iterator it, en;
 187
 188     for ( it = m_documentViews.begin(), en = m_documentViews.end();
 189           it != en;
 190           )
 191     {
 192         wxView *view = (wxView *)*it;
 193         if (!view->Close())
 194             return FALSE;
 195
 196         wxList::iterator next = it; ++next;
 197
 198         delete view; // Deletes node implicitly
 199         it = next;
 200     }
 201     // If we haven't yet deleted the document (for example
 202     // if there were no views) then delete it.
 203     if (manager && manager->GetDocuments().Member(this))
 204         delete this;
 205
 206     return TRUE;
 207 }
 208
 209 wxView *wxDocument::GetFirstView() const
 210 {
 211     if (m_documentViews.GetCount() == 0)
 212         return (wxView *) NULL;
 213     return (wxView *)m_documentViews.GetFirst()->GetData();
 214 }
 215
 216 wxDocManager *wxDocument::GetDocumentManager() const
 217 {
 218     return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
 219 }
 220
 221 bool wxDocument::OnNewDocument()
 222 {
 223     if (!OnSaveModified())
 224         return FALSE;
 225
 226     if (OnCloseDocument()==FALSE) return FALSE;
 227     DeleteContents();
 228     Modify(FALSE);
 229     SetDocumentSaved(FALSE);
 230
 231     wxString name;
 232     GetDocumentManager()->MakeDefaultName(name);
 233     SetTitle(name);
 234     SetFilename(name, TRUE);
 235
 236     return TRUE;
 237 }
 238
 239 bool wxDocument::Save()
 240 {
 241     if (!IsModified() && m_savedYet)
 242         return TRUE;
 243
 244     if ( m_documentFile.empty() || !m_savedYet )
 245         return SaveAs();
 246
 247     return OnSaveDocument(m_documentFile);
 248 }
 249
 250 bool wxDocument::SaveAs()
 251 {
 252     wxDocTemplate *docTemplate = GetDocumentTemplate();
 253     if (!docTemplate)
 254         return FALSE;
 255
 256     wxString tmp = wxFileSelector(_("Save as"),
 257             docTemplate->GetDirectory(),
 258             wxFileNameFromPath(GetFilename()),
 259             docTemplate->GetDefaultExtension(),
 260             docTemplate->GetFileFilter(),
 261             wxSAVE | wxOVERWRITE_PROMPT,
 262             GetDocumentWindow());
 263
 264     if (tmp.IsEmpty())
 265         return FALSE;
 266
 267     wxString fileName(tmp);
 268     wxString path, name, ext;
 269     wxSplitPath(fileName, & path, & name, & ext);
 270
 271     if (ext.IsEmpty() || ext == wxT(""))
 272     {
 273         fileName += wxT(".");
 274         fileName += docTemplate->GetDefaultExtension();
 275     }
 276
 277     SetFilename(fileName);
 278     SetTitle(wxFileNameFromPath(fileName));
 279
 280     // Notify the views that the filename has changed
 281     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 282     while (node)
 283     {
 284         wxView *view = (wxView *)node->GetData();
 285         view->OnChangeFilename();
 286         node = node->GetNext();
 287     }
 288
 289     // Files that were not saved correctly are not added to the FileHistory.
 290     if (!OnSaveDocument(m_documentFile))
 291         return FALSE;
 292
 293    // A file that doesn't use the default extension of its document template cannot be opened
 294    // via the FileHistory, so we do not add it.
 295    if (docTemplate->FileMatchesTemplate(fileName))
 296    {
 297        GetDocumentManager()->AddFileToHistory(fileName);
 298    }
 299    else
 300    {
 301        // The user will probably not be able to open the file again, so
 302        // we could warn about the wrong file-extension here.
 303    }
 304    return TRUE;
 305 }
 306
 307 bool wxDocument::OnSaveDocument(const wxString& file)
 308 {
 309     if ( !file )
 310         return FALSE;
 311
 312     wxString msgTitle;
 313     if (wxTheApp->GetAppName() != wxT(""))
 314         msgTitle = wxTheApp->GetAppName();
 315     else
 316         msgTitle = wxString(_("File error"));
 317
 318 #if wxUSE_STD_IOSTREAM
 319     wxSTD ofstream store(file.mb_str());
 320     if (store.fail() || store.bad())
 321 #else
 322     wxFileOutputStream store(file);
 323     if (store.GetLastError() != wxSTREAM_NO_ERROR)
 324 #endif
 325     {
 326         (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
 327                            GetDocumentWindow());
 328         // Saving error
 329         return FALSE;
 330     }
 331     if (!SaveObject(store))
 332     {
 333         (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
 334                            GetDocumentWindow());
 335         // Saving error
 336         return FALSE;
 337     }
 338     Modify(FALSE);
 339     SetFilename(file);
 340     SetDocumentSaved(TRUE);
 341 #ifdef __WXMAC__
 342     wxFileName fn(file) ;
 343     fn.MacSetDefaultTypeAndCreator() ;
 344 #endif
 345     return TRUE;
 346 }
 347
 348 bool wxDocument::OnOpenDocument(const wxString& file)
 349 {
 350     if (!OnSaveModified())
 351         return FALSE;
 352
 353     wxString msgTitle;
 354     if (wxTheApp->GetAppName() != wxT(""))
 355         msgTitle = wxTheApp->GetAppName();
 356     else
 357         msgTitle = wxString(_("File error"));
 358
 359 #if wxUSE_STD_IOSTREAM
 360     wxSTD ifstream store(file.mb_str());
 361     if (store.fail() || store.bad())
 362 #else
 363     wxFileInputStream store(file);
 364     if (store.GetLastError() != wxSTREAM_NO_ERROR)
 365 #endif
 366     {
 367         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 368                            GetDocumentWindow());
 369         return FALSE;
 370     }
 371 #if wxUSE_STD_IOSTREAM
 372     LoadObject(store);
 373     if ( !store && !store.eof() )
 374 #else
 375     int res = LoadObject(store).GetLastError();
 376     if ((res != wxSTREAM_NO_ERROR) &&
 377         (res != wxSTREAM_EOF))
 378 #endif
 379     {
 380         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 381                            GetDocumentWindow());
 382         return FALSE;
 383     }
 384     SetFilename(file, TRUE);
 385     Modify(FALSE);
 386     m_savedYet = TRUE;
 387
 388     UpdateAllViews();
 389
 390     return TRUE;
 391 }
 392
 393 #if wxUSE_STD_IOSTREAM
 394 wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
 395 #else
 396 wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
 397 #endif
 398 {
 399     return stream;
 400 }
 401
 402 #if wxUSE_STD_IOSTREAM
 403 wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
 404 #else
 405 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
 406 #endif
 407 {
 408     return stream;
 409 }
 410
 411 bool wxDocument::Revert()
 412 {
 413     return FALSE;
 414 }
 415
 416
 417 // Get title, or filename if no title, else unnamed
 418 bool wxDocument::GetPrintableName(wxString& buf) const
 419 {
 420     if (m_documentTitle != wxT(""))
 421     {
 422         buf = m_documentTitle;
 423         return TRUE;
 424     }
 425     else if (m_documentFile != wxT(""))
 426     {
 427         buf = wxFileNameFromPath(m_documentFile);
 428         return TRUE;
 429     }
 430     else
 431     {
 432         buf = _("unnamed");
 433         return TRUE;
 434     }
 435 }
 436
 437 wxWindow *wxDocument::GetDocumentWindow() const
 438 {
 439     wxView *view = GetFirstView();
 440     if (view)
 441         return view->GetFrame();
 442     else
 443         return wxTheApp->GetTopWindow();
 444 }
 445
 446 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
 447 {
 448     return new wxCommandProcessor;
 449 }
 450
 451 // TRUE if safe to close
 452 bool wxDocument::OnSaveModified()
 453 {
 454     if (IsModified())
 455     {
 456         wxString title;
 457         GetPrintableName(title);
 458
 459         wxString msgTitle;
 460         if (wxTheApp->GetAppName() != wxT(""))
 461             msgTitle = wxTheApp->GetAppName();
 462         else
 463             msgTitle = wxString(_("Warning"));
 464
 465         wxString prompt;
 466         prompt.Printf(_("Do you want to save changes to document %s?"),
 467                 (const wxChar *)title);
 468         int res = wxMessageBox(prompt, msgTitle,
 469                 wxYES_NO|wxCANCEL|wxICON_QUESTION,
 470                 GetDocumentWindow());
 471         if (res == wxNO)
 472         {
 473             Modify(FALSE);
 474             return TRUE;
 475         }
 476         else if (res == wxYES)
 477             return Save();
 478         else if (res == wxCANCEL)
 479             return FALSE;
 480     }
 481     return TRUE;
 482 }
 483
 484 bool wxDocument::Draw(wxDC& WXUNUSED(context))
 485 {
 486     return TRUE;
 487 }
 488
 489 bool wxDocument::AddView(wxView *view)
 490 {
 491     if (!m_documentViews.Member(view))
 492     {
 493         m_documentViews.Append(view);
 494         OnChangedViewList();
 495     }
 496     return TRUE;
 497 }
 498
 499 bool wxDocument::RemoveView(wxView *view)
 500 {
 501     (void)m_documentViews.DeleteObject(view);
 502     OnChangedViewList();
 503     return TRUE;
 504 }
 505
 506 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
 507 {
 508     if (GetDocumentTemplate()->CreateView(this, flags))
 509         return TRUE;
 510     else
 511         return FALSE;
 512 }
 513
 514 // Called after a view is added or removed.
 515 // The default implementation deletes the document if
 516 // there are no more views.
 517 void wxDocument::OnChangedViewList()
 518 {
 519     if (m_documentViews.GetCount() == 0)
 520     {
 521         if (OnSaveModified())
 522         {
 523             delete this;
 524         }
 525     }
 526 }
 527
 528 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
 529 {
 530     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 531     while (node)
 532     {
 533         wxView *view = (wxView *)node->GetData();
 534         if (view != sender)
 535             view->OnUpdate(sender, hint);
 536         node = node->GetNext();
 537     }
 538 }
 539
 540 void wxDocument::NotifyClosing()
 541 {
 542     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 543     while (node)
 544     {
 545         wxView *view = (wxView *)node->GetData();
 546         view->OnClosingDocument();
 547         node = node->GetNext();
 548     }
 549 }
 550
 551 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
 552 {
 553     m_documentFile = filename;
 554     if ( notifyViews )
 555     {
 556         // Notify the views that the filename has changed
 557         wxList::compatibility_iterator node = m_documentViews.GetFirst();
 558         while (node)
 559         {
 560             wxView *view = (wxView *)node->GetData();
 561             view->OnChangeFilename();
 562             node = node->GetNext();
 563         }
 564     }
 565 }
 566
 567 // ----------------------------------------------------------------------------
 568 // Document view
 569 // ----------------------------------------------------------------------------
 570
 571 wxView::wxView()
 572 {
 573     m_viewDocument = (wxDocument*) NULL;
 574
 575     m_viewFrame = (wxFrame *) NULL;
 576 }
 577
 578 wxView::~wxView()
 579 {
 580     GetDocumentManager()->ActivateView(this, FALSE);
 581     m_viewDocument->RemoveView(this);
 582 }
 583
 584 // Extend event processing to search the document's event table
 585 bool wxView::ProcessEvent(wxEvent& event)
 586 {
 587     if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
 588         return wxEvtHandler::ProcessEvent(event);
 589
 590     return TRUE;
 591 }
 592
 593 void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
 594 {
 595 }
 596
 597 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
 598 {
 599     OnDraw(dc);
 600 }
 601
 602 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
 603 {
 604 }
 605
 606 void wxView::OnChangeFilename()
 607 {
 608     if (GetFrame() && GetDocument())
 609     {
 610         wxString title;
 611
 612         GetDocument()->GetPrintableName(title);
 613
 614         GetFrame()->SetTitle(title);
 615     }
 616 }
 617
 618 void wxView::SetDocument(wxDocument *doc)
 619 {
 620     m_viewDocument = doc;
 621     if (doc)
 622         doc->AddView(this);
 623 }
 624
 625 bool wxView::Close(bool deleteWindow)
 626 {
 627     if (OnClose(deleteWindow))
 628         return TRUE;
 629     else
 630         return FALSE;
 631 }
 632
 633 void wxView::Activate(bool activate)
 634 {
 635     if (GetDocument() && GetDocumentManager())
 636     {
 637         OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
 638         GetDocumentManager()->ActivateView(this, activate);
 639     }
 640 }
 641
 642 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
 643 {
 644     return GetDocument() ? GetDocument()->Close() : TRUE;
 645 }
 646
 647 #if wxUSE_PRINTING_ARCHITECTURE
 648 wxPrintout *wxView::OnCreatePrintout()
 649 {
 650     return new wxDocPrintout(this);
 651 }
 652 #endif // wxUSE_PRINTING_ARCHITECTURE
 653
 654 // ----------------------------------------------------------------------------
 655 // wxDocTemplate
 656 // ----------------------------------------------------------------------------
 657
 658 wxDocTemplate::wxDocTemplate(wxDocManager *manager,
 659                              const wxString& descr,
 660                              const wxString& filter,
 661                              const wxString& dir,
 662                              const wxString& ext,
 663                              const wxString& docTypeName,
 664                              const wxString& viewTypeName,
 665                              wxClassInfo *docClassInfo,
 666                              wxClassInfo *viewClassInfo,
 667                              long flags)
 668 {
 669     m_documentManager = manager;
 670     m_description = descr;
 671     m_directory = dir;
 672     m_defaultExt = ext;
 673     m_fileFilter = filter;
 674     m_flags = flags;
 675     m_docTypeName = docTypeName;
 676     m_viewTypeName = viewTypeName;
 677     m_documentManager->AssociateTemplate(this);
 678
 679     m_docClassInfo = docClassInfo;
 680     m_viewClassInfo = viewClassInfo;
 681 }
 682
 683 wxDocTemplate::~wxDocTemplate()
 684 {
 685     m_documentManager->DisassociateTemplate(this);
 686 }
 687
 688 // Tries to dynamically construct an object of the right class.
 689 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
 690 {
 691     if (!m_docClassInfo)
 692         return (wxDocument *) NULL;
 693     wxDocument *doc = (wxDocument *)m_docClassInfo->CreateObject();
 694     doc->SetFilename(path);
 695     doc->SetDocumentTemplate(this);
 696     GetDocumentManager()->AddDocument(doc);
 697     doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
 698
 699     if (doc->OnCreate(path, flags))
 700         return doc;
 701     else
 702     {
 703         if (GetDocumentManager()->GetDocuments().Member(doc))
 704             doc->DeleteAllViews();
 705         return (wxDocument *) NULL;
 706     }
 707 }
 708
 709 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
 710 {
 711     if (!m_viewClassInfo)
 712         return (wxView *) NULL;
 713     wxView *view = (wxView *)m_viewClassInfo->CreateObject();
 714     view->SetDocument(doc);
 715     if (view->OnCreate(doc, flags))
 716     {
 717         return view;
 718     }
 719     else
 720     {
 721         delete view;
 722         return (wxView *) NULL;
 723     }
 724 }
 725
 726 // The default (very primitive) format detection: check is the extension is
 727 // that of the template
 728 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
 729 {
 730     return GetDefaultExtension().IsSameAs(FindExtension(path));
 731 }
 732
 733 // ----------------------------------------------------------------------------
 734 // wxDocManager
 735 // ----------------------------------------------------------------------------
 736
 737 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
 738     EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
 739     EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
 740     EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
 741     EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
 742     EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
 743     EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
 744     EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
 745     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
 746     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
 747
 748     EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
 749     EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
 750     EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose)
 751     EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
 752     EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
 753     EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
 754     EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
 755     EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
 756     EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
 757
 758 #if wxUSE_PRINTING_ARCHITECTURE
 759     EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
 760     EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPrintSetup)
 761     EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
 762
 763     EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
 764     EVT_UPDATE_UI(wxID_PRINT_SETUP, wxDocManager::OnUpdatePrintSetup)
 765     EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
 766 #endif
 767 END_EVENT_TABLE()
 768
 769 wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
 770
 771 wxDocManager::wxDocManager(long flags, bool initialize)
 772 {
 773     m_defaultDocumentNameCounter = 1;
 774     m_flags = flags;
 775     m_currentView = (wxView *) NULL;
 776     m_maxDocsOpen = 10000;
 777     m_fileHistory = (wxFileHistory *) NULL;
 778     if (initialize)
 779         Initialize();
 780     sm_docManager = this;
 781 }
 782
 783 wxDocManager::~wxDocManager()
 784 {
 785     Clear();
 786     if (m_fileHistory)
 787         delete m_fileHistory;
 788     sm_docManager = (wxDocManager*) NULL;
 789 }
 790
 791 // closes the specified document
 792 bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
 793 {
 794     if (doc->Close() || force)
 795     {
 796         // Implicitly deletes the document when
 797         // the last view is deleted
 798         doc->DeleteAllViews();
 799
 800         // Check we're really deleted
 801         if (m_docs.Member(doc))
 802             delete doc;
 803
 804         return TRUE;
 805     }
 806     return FALSE;
 807 }
 808
 809 bool wxDocManager::CloseDocuments(bool force)
 810 {
 811     wxList::compatibility_iterator node = m_docs.GetFirst();
 812     while (node)
 813     {
 814         wxDocument *doc = (wxDocument *)node->GetData();
 815         wxList::compatibility_iterator next = node->GetNext();
 816
 817         if (!CloseDocument(doc, force))
 818             return FALSE;
 819
 820         // This assumes that documents are not connected in
 821         // any way, i.e. deleting one document does NOT
 822         // delete another.
 823         node = next;
 824     }
 825     return TRUE;
 826 }
 827
 828 bool wxDocManager::Clear(bool force)
 829 {
 830     if (!CloseDocuments(force))
 831         return FALSE;
 832
 833     wxList::compatibility_iterator node = m_templates.GetFirst();
 834     while (node)
 835     {
 836         wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
 837         wxList::compatibility_iterator next = node->GetNext();
 838         delete templ;
 839         node = next;
 840     }
 841     return TRUE;
 842 }
 843
 844 bool wxDocManager::Initialize()
 845 {
 846     m_fileHistory = OnCreateFileHistory();
 847     return TRUE;
 848 }
 849
 850 wxFileHistory *wxDocManager::OnCreateFileHistory()
 851 {
 852     return new wxFileHistory;
 853 }
 854
 855 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
 856 {
 857     wxDocument *doc = GetCurrentDocument();
 858     if (!doc)
 859         return;
 860     if (doc->Close())
 861     {
 862         doc->DeleteAllViews();
 863         if (m_docs.Member(doc))
 864             delete doc;
 865     }
 866 }
 867
 868 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
 869 {
 870     CloseDocuments(FALSE);
 871 }
 872
 873 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
 874 {
 875     CreateDocument( wxT(""), wxDOC_NEW );
 876 }
 877
 878 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
 879 {
 880     if ( !CreateDocument( wxT(""), 0) )
 881     {
 882         OnOpenFileFailure();
 883     }
 884 }
 885
 886 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
 887 {
 888     wxDocument *doc = GetCurrentDocument();
 889     if (!doc)
 890         return;
 891     doc->Revert();
 892 }
 893
 894 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
 895 {
 896     wxDocument *doc = GetCurrentDocument();
 897     if (!doc)
 898         return;
 899     doc->Save();
 900 }
 901
 902 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
 903 {
 904     wxDocument *doc = GetCurrentDocument();
 905     if (!doc)
 906         return;
 907     doc->SaveAs();
 908 }
 909
 910 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
 911 {
 912 #if wxUSE_PRINTING_ARCHITECTURE
 913     wxView *view = GetCurrentView();
 914     if (!view)
 915         return;
 916
 917     wxPrintout *printout = view->OnCreatePrintout();
 918     if (printout)
 919     {
 920         wxPrinter printer;
 921         printer.Print(view->GetFrame(), printout, TRUE);
 922
 923         delete printout;
 924     }
 925 #endif // wxUSE_PRINTING_ARCHITECTURE
 926 }
 927
 928 void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
 929 {
 930 #if wxUSE_PRINTING_ARCHITECTURE
 931     wxWindow *parentWin = wxTheApp->GetTopWindow();
 932     wxView *view = GetCurrentView();
 933     if (view)
 934         parentWin = view->GetFrame();
 935
 936     wxPrintDialogData data;
 937
 938     wxPrintDialog printerDialog(parentWin, &data);
 939     printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
 940     printerDialog.ShowModal();
 941 #endif // wxUSE_PRINTING_ARCHITECTURE
 942 }
 943
 944 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
 945 {
 946 #if wxUSE_PRINTING_ARCHITECTURE
 947     wxView *view = GetCurrentView();
 948     if (!view)
 949         return;
 950
 951     wxPrintout *printout = view->OnCreatePrintout();
 952     if (printout)
 953     {
 954         // Pass two printout objects: for preview, and possible printing.
 955         wxPrintPreviewBase *preview = (wxPrintPreviewBase *) NULL;
 956         preview = new wxPrintPreview(printout, view->OnCreatePrintout());
 957
 958         wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
 959                 wxPoint(100, 100), wxSize(600, 650));
 960         frame->Centre(wxBOTH);
 961         frame->Initialize();
 962         frame->Show(TRUE);
 963     }
 964 #endif // wxUSE_PRINTING_ARCHITECTURE
 965 }
 966
 967 void wxDocManager::OnUndo(wxCommandEvent& event)
 968 {
 969     wxDocument *doc = GetCurrentDocument();
 970     if (!doc)
 971         return;
 972     if (doc->GetCommandProcessor())
 973         doc->GetCommandProcessor()->Undo();
 974     else
 975         event.Skip();
 976 }
 977
 978 void wxDocManager::OnRedo(wxCommandEvent& event)
 979 {
 980     wxDocument *doc = GetCurrentDocument();
 981     if (!doc)
 982         return;
 983     if (doc->GetCommandProcessor())
 984         doc->GetCommandProcessor()->Redo();
 985     else
 986         event.Skip();
 987 }
 988
 989 // Handlers for UI update commands
 990
 991 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
 992 {
 993     event.Enable( TRUE );
 994 }
 995
 996 void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
 997 {
 998     wxDocument *doc = GetCurrentDocument();
 999     event.Enable( (doc != (wxDocument*) NULL) );
1000 }
1001
1002 void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
1003 {
1004     wxDocument *doc = GetCurrentDocument();
1005     event.Enable( (doc != (wxDocument*) NULL) );
1006 }
1007
1008 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1009 {
1010     event.Enable( TRUE );
1011 }
1012
1013 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1014 {
1015     wxDocument *doc = GetCurrentDocument();
1016     event.Enable( doc && doc->IsModified() );
1017 }
1018
1019 void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
1020 {
1021     wxDocument *doc = GetCurrentDocument();
1022     event.Enable( (doc != (wxDocument*) NULL) );
1023 }
1024
1025 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1026 {
1027     wxDocument *doc = GetCurrentDocument();
1028     if (!doc)
1029         event.Enable(FALSE);
1030     else if (!doc->GetCommandProcessor())
1031         event.Skip();
1032     else
1033     {
1034         event.Enable( doc->GetCommandProcessor()->CanUndo() );
1035         doc->GetCommandProcessor()->SetMenuStrings();
1036     }
1037 }
1038
1039 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1040 {
1041     wxDocument *doc = GetCurrentDocument();
1042     if (!doc)
1043         event.Enable(FALSE);
1044     else if (!doc->GetCommandProcessor())
1045         event.Skip();
1046     else
1047     {
1048         event.Enable( doc->GetCommandProcessor()->CanRedo() );
1049         doc->GetCommandProcessor()->SetMenuStrings();
1050     }
1051 }
1052
1053 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
1054 {
1055     wxDocument *doc = GetCurrentDocument();
1056     event.Enable( (doc != (wxDocument*) NULL) );
1057 }
1058
1059 void wxDocManager::OnUpdatePrintSetup(wxUpdateUIEvent& event)
1060 {
1061     event.Enable( TRUE );
1062 }
1063
1064 void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
1065 {
1066     wxDocument *doc = GetCurrentDocument();
1067     event.Enable( (doc != (wxDocument*) NULL) );
1068 }
1069
1070 wxView *wxDocManager::GetCurrentView() const
1071 {
1072     if (m_currentView)
1073         return m_currentView;
1074     if (m_docs.GetCount() == 1)
1075     {
1076         wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
1077         return doc->GetFirstView();
1078     }
1079     return (wxView *) NULL;
1080 }
1081
1082 // Extend event processing to search the view's event table
1083 bool wxDocManager::ProcessEvent(wxEvent& event)
1084 {
1085     wxView* view = GetCurrentView();
1086     if (view)
1087     {
1088         if (view->ProcessEvent(event))
1089             return TRUE;
1090     }
1091     return wxEvtHandler::ProcessEvent(event);
1092 }
1093
1094 wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
1095 {
1096     wxDocTemplate   **templates = new wxDocTemplate *[m_templates.GetCount()];
1097     int               n = 0;
1098
1099     for (size_t i = 0; i < m_templates.GetCount(); i++)
1100     {
1101         wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1102         if (temp->IsVisible())
1103         {
1104             templates[n] = temp;
1105             n ++;
1106         }
1107     }
1108     if (n == 0)
1109     {
1110         delete[] templates;
1111         return (wxDocument *) NULL;
1112     }
1113
1114     wxDocument* docToClose = NULL;
1115
1116     // If we've reached the max number of docs, close the
1117     // first one.
1118     if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1119     {
1120         wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
1121         docToClose = doc;
1122     }
1123
1124     // New document: user chooses a template, unless there's only one.
1125     if (flags & wxDOC_NEW)
1126     {
1127         if (n == 1)
1128         {
1129             if (docToClose)
1130             {
1131                 if (!CloseDocument(docToClose, FALSE))
1132                 {
1133                     delete[] templates;
1134                     return NULL;
1135                 }
1136             }
1137
1138             wxDocTemplate *temp = templates[0];
1139             delete[] templates;
1140             wxDocument *newDoc = temp->CreateDocument(path, flags);
1141
1142             if (newDoc)
1143             {
1144                 newDoc->SetDocumentName(temp->GetDocumentName());
1145                 newDoc->SetDocumentTemplate(temp);
1146                 newDoc->OnNewDocument();
1147             }
1148             return newDoc;
1149         }
1150
1151         wxDocTemplate *temp = SelectDocumentType(templates, n);
1152         delete[] templates;
1153         if (temp)
1154         {
1155             if (docToClose)
1156             {
1157                 if (!CloseDocument(docToClose, FALSE))
1158                 {
1159                     return NULL;
1160                 }
1161             }
1162
1163             wxDocument *newDoc = temp->CreateDocument(path, flags);
1164
1165             if (newDoc)
1166             {
1167                 newDoc->SetDocumentName(temp->GetDocumentName());
1168                 newDoc->SetDocumentTemplate(temp);
1169                 newDoc->OnNewDocument();
1170             }
1171             return newDoc;
1172         }
1173         else
1174             return (wxDocument *) NULL;
1175     }
1176
1177     // Existing document
1178     wxDocTemplate *temp = (wxDocTemplate *) NULL;
1179
1180     wxString path2(wxT(""));
1181     if (path != wxT(""))
1182         path2 = path;
1183
1184     if (flags & wxDOC_SILENT)
1185     {
1186         temp = FindTemplateForPath(path2);
1187         if (!temp)
1188         {
1189             // Since we do not add files with non-default extensions to the FileHistory this
1190             // can only happen if the application changes the allowed templates in runtime.
1191             (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1192                                 _("Open File"),
1193                                wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1194         }
1195     }
1196     else
1197         temp = SelectDocumentPath(templates, n, path2, flags);
1198
1199     delete[] templates;
1200
1201     if (temp)
1202     {
1203         if (docToClose)
1204         {
1205             if (!CloseDocument(docToClose, FALSE))
1206             {
1207                 return NULL;
1208             }
1209         }
1210
1211         wxDocument *newDoc = temp->CreateDocument(path2, flags);
1212         if (newDoc)
1213         {
1214             newDoc->SetDocumentName(temp->GetDocumentName());
1215             newDoc->SetDocumentTemplate(temp);
1216             if (!newDoc->OnOpenDocument(path2))
1217             {
1218                 newDoc->DeleteAllViews();
1219                 // delete newDoc; // Implicitly deleted by DeleteAllViews
1220                 return (wxDocument *) NULL;
1221             }
1222             // A file that doesn't use the default extension of its document
1223             // template cannot be opened via the FileHistory, so we do not
1224             // add it.
1225             if (temp->FileMatchesTemplate(path2))
1226                 AddFileToHistory(path2);
1227         }
1228         return newDoc;
1229     }
1230
1231     return (wxDocument *) NULL;
1232 }
1233
1234 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1235 {
1236     wxDocTemplate   **templates = new wxDocTemplate *[m_templates.GetCount()];
1237     int               n =0;
1238
1239     for (size_t i = 0; i < m_templates.GetCount(); i++)
1240     {
1241         wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1242         if (temp->IsVisible())
1243         {
1244             if (temp->GetDocumentName() == doc->GetDocumentName())
1245             {
1246                 templates[n] = temp;
1247                 n ++;
1248             }
1249         }
1250     }
1251     if (n == 0)
1252     {
1253         delete[] templates;
1254         return (wxView *) NULL;
1255     }
1256     if (n == 1)
1257     {
1258         wxDocTemplate *temp = templates[0];
1259         delete[] templates;
1260         wxView *view = temp->CreateView(doc, flags);
1261         if (view)
1262             view->SetViewName(temp->GetViewName());
1263         return view;
1264     }
1265
1266     wxDocTemplate *temp = SelectViewType(templates, n);
1267     delete[] templates;
1268     if (temp)
1269     {
1270         wxView *view = temp->CreateView(doc, flags);
1271         if (view)
1272             view->SetViewName(temp->GetViewName());
1273         return view;
1274     }
1275     else
1276         return (wxView *) NULL;
1277 }
1278
1279 // Not yet implemented
1280 void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1281 {
1282 }
1283
1284 // Not yet implemented
1285 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1286 {
1287     return FALSE;
1288 }
1289
1290 wxDocument *wxDocManager::GetCurrentDocument() const
1291 {
1292     wxView *view = GetCurrentView();
1293     if (view)
1294         return view->GetDocument();
1295     else
1296         return (wxDocument *) NULL;
1297 }
1298
1299 // Make a default document name
1300 bool wxDocManager::MakeDefaultName(wxString& name)
1301 {
1302     name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1303     m_defaultDocumentNameCounter++;
1304
1305     return TRUE;
1306 }
1307
1308 // Make a frame title (override this to do something different)
1309 // If docName is empty, a document is not currently active.
1310 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1311 {
1312     wxString appName = wxTheApp->GetAppName();
1313     wxString title;
1314     if (!doc)
1315         title = appName;
1316     else
1317     {
1318         wxString docName;
1319         doc->GetPrintableName(docName);
1320         title = docName + wxString(_(" - ")) + appName;
1321     }
1322     return title;
1323 }
1324
1325
1326 // Not yet implemented
1327 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1328 {
1329     return (wxDocTemplate *) NULL;
1330 }
1331
1332 // File history management
1333 void wxDocManager::AddFileToHistory(const wxString& file)
1334 {
1335     if (m_fileHistory)
1336         m_fileHistory->AddFileToHistory(file);
1337 }
1338
1339 void wxDocManager::RemoveFileFromHistory(size_t i)
1340 {
1341     if (m_fileHistory)
1342         m_fileHistory->RemoveFileFromHistory(i);
1343 }
1344
1345 wxString wxDocManager::GetHistoryFile(size_t i) const
1346 {
1347     wxString histFile;
1348
1349     if (m_fileHistory)
1350         histFile = m_fileHistory->GetHistoryFile(i);
1351
1352     return histFile;
1353 }
1354
1355 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1356 {
1357     if (m_fileHistory)
1358         m_fileHistory->UseMenu(menu);
1359 }
1360
1361 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1362 {
1363     if (m_fileHistory)
1364         m_fileHistory->RemoveMenu(menu);
1365 }
1366
1367 #if wxUSE_CONFIG
1368 void wxDocManager::FileHistoryLoad(wxConfigBase& config)
1369 {
1370     if (m_fileHistory)
1371         m_fileHistory->Load(config);
1372 }
1373
1374 void wxDocManager::FileHistorySave(wxConfigBase& config)
1375 {
1376     if (m_fileHistory)
1377         m_fileHistory->Save(config);
1378 }
1379 #endif
1380
1381 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1382 {
1383     if (m_fileHistory)
1384         m_fileHistory->AddFilesToMenu(menu);
1385 }
1386
1387 void wxDocManager::FileHistoryAddFilesToMenu()
1388 {
1389     if (m_fileHistory)
1390         m_fileHistory->AddFilesToMenu();
1391 }
1392
1393 size_t wxDocManager::GetHistoryFilesCount() const
1394 {
1395     return m_fileHistory ? m_fileHistory->GetCount() : 0;
1396 }
1397
1398
1399 // Find out the document template via matching in the document file format
1400 // against that of the template
1401 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1402 {
1403     wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
1404
1405     // Find the template which this extension corresponds to
1406     for (size_t i = 0; i < m_templates.GetCount(); i++)
1407     {
1408         wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1409         if ( temp->FileMatchesTemplate(path) )
1410         {
1411             theTemplate = temp;
1412             break;
1413         }
1414     }
1415     return theTemplate;
1416 }
1417
1418 // Try to get a more suitable parent frame than the top window,
1419 // for selection dialogs. Otherwise you may get an unexpected
1420 // window being activated when a dialog is shown.
1421 static wxWindow* wxFindSuitableParent()
1422 {
1423     wxWindow* parent = wxTheApp->GetTopWindow();
1424
1425     wxWindow* focusWindow = wxWindow::FindFocus();
1426     if (focusWindow)
1427     {
1428         while (focusWindow &&
1429                 !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
1430                 !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
1431
1432             focusWindow = focusWindow->GetParent();
1433
1434         if (focusWindow)
1435             parent = focusWindow;
1436     }
1437     return parent;
1438 }
1439
1440 // Prompts user to open a file, using file specs in templates.
1441 // Must extend the file selector dialog or implement own; OR
1442 // match the extension to the template extension.
1443
1444 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1445 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1446                                                 int noTemplates,
1447 #else
1448                                                 int WXUNUSED(noTemplates),
1449 #endif
1450                                                 wxString& path,
1451                                                 long WXUNUSED(flags),
1452                                                 bool WXUNUSED(save))
1453 {
1454     // We can only have multiple filters in Windows and GTK
1455 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1456     wxString descrBuf;
1457
1458     int i;
1459     for (i = 0; i < noTemplates; i++)
1460     {
1461         if (templates[i]->IsVisible())
1462         {
1463             // add a '|' to separate this filter from the previous one
1464             if ( !descrBuf.IsEmpty() )
1465                 descrBuf << wxT('|');
1466
1467             descrBuf << templates[i]->GetDescription()
1468                 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1469                 << templates[i]->GetFileFilter();
1470         }
1471     }
1472 #else
1473     wxString descrBuf = wxT("*.*");
1474 #endif
1475
1476     int FilterIndex = -1;
1477
1478     wxWindow* parent = wxFindSuitableParent();
1479
1480     wxString pathTmp = wxFileSelectorEx(_("Select a file"),
1481                                         m_lastDirectory,
1482                                         wxT(""),
1483                                         &FilterIndex,
1484                                         descrBuf,
1485                                         0,
1486                                         parent);
1487
1488     wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
1489     if (!pathTmp.IsEmpty())
1490     {
1491         if (!wxFileExists(pathTmp))
1492         {
1493             wxString msgTitle;
1494             if (!wxTheApp->GetAppName().IsEmpty())
1495                 msgTitle = wxTheApp->GetAppName();
1496             else
1497                 msgTitle = wxString(_("File error"));
1498
1499             (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
1500                 parent);
1501
1502             path = wxT("");
1503             return (wxDocTemplate *) NULL;
1504         }
1505         m_lastDirectory = wxPathOnly(pathTmp);
1506
1507         path = pathTmp;
1508
1509         // first choose the template using the extension, if this fails (i.e.
1510         // wxFileSelectorEx() didn't fill it), then use the path
1511         if ( FilterIndex != -1 )
1512             theTemplate = templates[FilterIndex];
1513         if ( !theTemplate )
1514             theTemplate = FindTemplateForPath(path);
1515         if ( !theTemplate )
1516         {
1517             // Since we do not add files with non-default extensions to the FileHistory this
1518             // can only happen if the application changes the allowed templates in runtime.
1519             (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1520                                 _("Open File"),
1521                                 wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1522         }
1523     }
1524     else
1525     {
1526         path = wxT("");
1527     }
1528
1529     return theTemplate;
1530 }
1531
1532 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1533                                                 int noTemplates, bool sort)
1534 {
1535     wxArrayString strings;
1536     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1537     int i;
1538     int n = 0;
1539
1540     for (i = 0; i < noTemplates; i++)
1541     {
1542         if (templates[i]->IsVisible())
1543         {
1544             int j;
1545             bool want = TRUE;
1546             for (j = 0; j < n; j++)
1547             {
1548                 //filter out NOT unique documents + view combinations
1549                 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1550                      templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1551                    )
1552                     want = FALSE;
1553             }
1554
1555             if ( want )
1556             {
1557                 strings.Add(templates[i]->m_description);
1558
1559                 data[n] = templates[i];
1560                 n ++;
1561             }
1562         }
1563     }  // for
1564
1565     if (sort)
1566     {
1567         strings.Sort(wxStringSortAscending);
1568         // Yes, this will be slow, but template lists
1569         // are typically short.
1570         int j;
1571         n = strings.Count();
1572         for (i = 0; i < n; i++)
1573         {
1574             for (j = 0; j < noTemplates; j++)
1575             {
1576                 if (strings[i] == templates[j]->m_description)
1577                     data[i] = templates[j];
1578             }
1579         }
1580     }
1581
1582     wxDocTemplate *theTemplate;
1583
1584     switch ( n )
1585     {
1586         case 0:
1587             // no visible templates, hence nothing to choose from
1588             theTemplate = NULL;
1589             break;
1590
1591         case 1:
1592             // don't propose the user to choose if he heas no choice
1593             theTemplate = data[0];
1594             break;
1595
1596         default:
1597             // propose the user to choose one of several
1598             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1599                           (
1600                             _("Select a document template"),
1601                             _("Templates"),
1602                             strings,
1603                             (void **)data,
1604                             wxFindSuitableParent()
1605                           );
1606     }
1607
1608     delete[] data;
1609
1610     return theTemplate;
1611 }
1612
1613 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1614                                             int noTemplates, bool sort)
1615 {
1616     wxArrayString strings;
1617     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1618     int i;
1619     int n = 0;
1620
1621     for (i = 0; i < noTemplates; i++)
1622     {
1623         wxDocTemplate *templ = templates[i];
1624         if ( templ->IsVisible() && !templ->GetViewName().empty() )
1625         {
1626             int j;
1627             bool want = TRUE;
1628             for (j = 0; j < n; j++)
1629             {
1630                 //filter out NOT unique views
1631                 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1632                     want = FALSE;
1633             }
1634
1635             if ( want )
1636             {
1637                 strings.Add(templ->m_viewTypeName);
1638                 data[n] = templ;
1639                 n ++;
1640             }
1641         }
1642     }
1643
1644     if (sort)
1645     {
1646         strings.Sort(wxStringSortAscending);
1647         // Yes, this will be slow, but template lists
1648         // are typically short.
1649         int j;
1650         n = strings.Count();
1651         for (i = 0; i < n; i++)
1652         {
1653             for (j = 0; j < noTemplates; j++)
1654             {
1655                 if (strings[i] == templates[j]->m_viewTypeName)
1656                     data[i] = templates[j];
1657             }
1658         }
1659     }
1660
1661     wxDocTemplate *theTemplate;
1662
1663     // the same logic as above
1664     switch ( n )
1665     {
1666         case 0:
1667             theTemplate = (wxDocTemplate *)NULL;
1668             break;
1669
1670         case 1:
1671             theTemplate = data[0];
1672             break;
1673
1674         default:
1675             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1676                           (
1677                             _("Select a document view"),
1678                             _("Views"),
1679                             strings,
1680                             (void **)data,
1681                             wxFindSuitableParent()
1682                           );
1683
1684     }
1685
1686     delete[] data;
1687     return theTemplate;
1688 }
1689
1690 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1691 {
1692     if (!m_templates.Member(temp))
1693         m_templates.Append(temp);
1694 }
1695
1696 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1697 {
1698     m_templates.DeleteObject(temp);
1699 }
1700
1701 // Add and remove a document from the manager's list
1702 void wxDocManager::AddDocument(wxDocument *doc)
1703 {
1704     if (!m_docs.Member(doc))
1705         m_docs.Append(doc);
1706 }
1707
1708 void wxDocManager::RemoveDocument(wxDocument *doc)
1709 {
1710     m_docs.DeleteObject(doc);
1711 }
1712
1713 // Views or windows should inform the document manager
1714 // when a view is going in or out of focus
1715 void wxDocManager::ActivateView(wxView *view, bool activate)
1716 {
1717     if ( activate )
1718     {
1719         m_currentView = view;
1720     }
1721     else // deactivate
1722     {
1723         if ( m_currentView == view )
1724         {
1725             // don't keep stale pointer
1726             m_currentView = (wxView *) NULL;
1727         }
1728     }
1729 }
1730
1731 // ----------------------------------------------------------------------------
1732 // Default document child frame
1733 // ----------------------------------------------------------------------------
1734
1735 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1736     EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1737     EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1738 END_EVENT_TABLE()
1739
1740 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1741                                  wxView *view,
1742                                  wxFrame *frame,
1743                                  wxWindowID id,
1744                                  const wxString& title,
1745                                  const wxPoint& pos,
1746                                  const wxSize& size,
1747                                  long style,
1748                                  const wxString& name)
1749                : wxFrame(frame, id, title, pos, size, style, name)
1750 {
1751     m_childDocument = doc;
1752     m_childView = view;
1753     if (view)
1754         view->SetFrame(this);
1755 }
1756
1757 wxDocChildFrame::~wxDocChildFrame()
1758 {
1759 }
1760
1761 // Extend event processing to search the view's event table
1762 bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1763 {
1764     if (m_childView)
1765         m_childView->Activate(TRUE);
1766
1767     if ( !m_childView || ! m_childView->ProcessEvent(event) )
1768     {
1769         // Only hand up to the parent if it's a menu command
1770         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1771             return wxEvtHandler::ProcessEvent(event);
1772         else
1773             return TRUE;
1774     }
1775     else
1776         return TRUE;
1777 }
1778
1779 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1780 {
1781     wxFrame::OnActivate(event);
1782
1783     if (m_childView)
1784         m_childView->Activate(event.GetActive());
1785 }
1786
1787 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1788 {
1789     if (m_childView)
1790     {
1791         bool ans = FALSE;
1792         if (!event.CanVeto())
1793             ans = TRUE; // Must delete.
1794         else
1795             ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
1796
1797         if (ans)
1798         {
1799             m_childView->Activate(FALSE);
1800             delete m_childView;
1801             m_childView = (wxView *) NULL;
1802             m_childDocument = (wxDocument *) NULL;
1803
1804             this->Destroy();
1805         }
1806         else
1807             event.Veto();
1808     }
1809     else
1810         event.Veto();
1811 }
1812
1813 // ----------------------------------------------------------------------------
1814 // Default parent frame
1815 // ----------------------------------------------------------------------------
1816
1817 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1818     EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1819     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1820     EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1821 END_EVENT_TABLE()
1822
1823 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1824                                    wxFrame *frame,
1825                                    wxWindowID id,
1826                                    const wxString& title,
1827                                    const wxPoint& pos,
1828                                    const wxSize& size,
1829                                    long style,
1830                                    const wxString& name)
1831                 : wxFrame(frame, id, title, pos, size, style, name)
1832 {
1833     m_docManager = manager;
1834 }
1835
1836 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1837 {
1838     Close();
1839 }
1840
1841 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1842 {
1843     int n = event.GetId() - wxID_FILE1;  // the index in MRU list
1844     wxString filename(m_docManager->GetHistoryFile(n));
1845     if ( !filename.IsEmpty() )
1846     {
1847         // verify that the file exists before doing anything else
1848         if ( wxFile::Exists(filename) )
1849         {
1850             // try to open it
1851             if (!m_docManager->CreateDocument(filename, wxDOC_SILENT))
1852             {
1853                 // remove the file from the MRU list. The user should already be notified.
1854                 m_docManager->RemoveFileFromHistory(n);
1855
1856                 wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."),
1857                        filename.c_str());
1858             }
1859         }
1860         else
1861         {
1862             // remove the bogus filename from the MRU list and notify the user
1863             // about it
1864             m_docManager->RemoveFileFromHistory(n);
1865
1866             wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
1867                        filename.c_str());
1868         }
1869     }
1870 }
1871
1872 // Extend event processing to search the view's event table
1873 bool wxDocParentFrame::ProcessEvent(wxEvent& event)
1874 {
1875     // Try the document manager, then do default processing
1876     if (!m_docManager || !m_docManager->ProcessEvent(event))
1877         return wxEvtHandler::ProcessEvent(event);
1878     else
1879         return TRUE;
1880 }
1881
1882 // Define the behaviour for the frame closing
1883 // - must delete all frames except for the main one.
1884 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1885 {
1886     if (m_docManager->Clear(!event.CanVeto()))
1887     {
1888         this->Destroy();
1889     }
1890     else
1891         event.Veto();
1892 }
1893
1894 #if wxUSE_PRINTING_ARCHITECTURE
1895
1896 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1897              : wxPrintout(title)
1898 {
1899     m_printoutView = view;
1900 }
1901
1902 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1903 {
1904     wxDC *dc = GetDC();
1905
1906     // Get the logical pixels per inch of screen and printer
1907     int ppiScreenX, ppiScreenY;
1908     GetPPIScreen(&ppiScreenX, &ppiScreenY);
1909     int ppiPrinterX, ppiPrinterY;
1910     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
1911
1912     // This scales the DC so that the printout roughly represents the
1913     // the screen scaling. The text point size _should_ be the right size
1914     // but in fact is too small for some reason. This is a detail that will
1915     // need to be addressed at some point but can be fudged for the
1916     // moment.
1917     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
1918
1919     // Now we have to check in case our real page size is reduced
1920     // (e.g. because we're drawing to a print preview memory DC)
1921     int pageWidth, pageHeight;
1922     int w, h;
1923     dc->GetSize(&w, &h);
1924     GetPageSizePixels(&pageWidth, &pageHeight);
1925
1926     // If printer pageWidth == current DC width, then this doesn't
1927     // change. But w might be the preview bitmap width, so scale down.
1928     float overallScale = scale * (float)(w/(float)pageWidth);
1929     dc->SetUserScale(overallScale, overallScale);
1930
1931     if (m_printoutView)
1932     {
1933         m_printoutView->OnDraw(dc);
1934     }
1935     return TRUE;
1936 }
1937
1938 bool wxDocPrintout::HasPage(int pageNum)
1939 {
1940     return (pageNum == 1);
1941 }
1942
1943 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
1944 {
1945     if (!wxPrintout::OnBeginDocument(startPage, endPage))
1946         return FALSE;
1947
1948     return TRUE;
1949 }
1950
1951 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
1952 {
1953     *minPage = 1;
1954     *maxPage = 1;
1955     *selPageFrom = 1;
1956     *selPageTo = 1;
1957 }
1958
1959 #endif // wxUSE_PRINTING_ARCHITECTURE
1960
1961 // ----------------------------------------------------------------------------
1962 // File history processor
1963 // ----------------------------------------------------------------------------
1964
1965 static inline wxChar* MYcopystring(const wxString& s)
1966 {
1967     wxChar* copy = new wxChar[s.length() + 1];
1968     return wxStrcpy(copy, s.c_str());
1969 }
1970
1971 static inline wxChar* MYcopystring(const wxChar* s)
1972 {
1973     wxChar* copy = new wxChar[wxStrlen(s) + 1];
1974     return wxStrcpy(copy, s);
1975 }
1976
1977 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
1978 {
1979     m_fileMaxFiles = maxFiles;
1980     m_idBase = idBase;
1981     m_fileHistoryN = 0;
1982     m_fileHistory = new wxChar *[m_fileMaxFiles];
1983 }
1984
1985 wxFileHistory::~wxFileHistory()
1986 {
1987     size_t i;
1988     for (i = 0; i < m_fileHistoryN; i++)
1989         delete[] m_fileHistory[i];
1990     delete[] m_fileHistory;
1991 }
1992
1993 // File history management
1994 void wxFileHistory::AddFileToHistory(const wxString& file)
1995 {
1996     size_t i;
1997
1998     // Check we don't already have this file
1999     for (i = 0; i < m_fileHistoryN; i++)
2000     {
2001 #if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names
2002         wxString testString;
2003         if ( m_fileHistory[i] )
2004             testString = m_fileHistory[i];
2005         if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) )
2006 #else
2007         if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) )
2008 #endif
2009         {
2010             // we do have it, move it to the top of the history
2011             RemoveFileFromHistory (i);
2012             AddFileToHistory (file);
2013             return;
2014         }
2015     }
2016
2017     // if we already have a full history, delete the one at the end
2018     if ( m_fileMaxFiles == m_fileHistoryN )
2019     {
2020         RemoveFileFromHistory (m_fileHistoryN - 1);
2021         AddFileToHistory (file);
2022         return;
2023     }
2024
2025     // Add to the project file history:
2026     // Move existing files (if any) down so we can insert file at beginning.
2027     if (m_fileHistoryN < m_fileMaxFiles)
2028     {
2029         wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2030         while (node)
2031         {
2032             wxMenu* menu = (wxMenu*) node->GetData();
2033             if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() )
2034             {
2035                 menu->AppendSeparator();
2036             }
2037             menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]"));
2038             node = node->GetNext();
2039         }
2040         m_fileHistoryN ++;
2041     }
2042     // Shuffle filenames down
2043     for (i = (m_fileHistoryN-1); i > 0; i--)
2044     {
2045         m_fileHistory[i] = m_fileHistory[i-1];
2046     }
2047     m_fileHistory[0] = MYcopystring(file);
2048
2049     // this is the directory of the last opened file
2050     wxString pathCurrent;
2051     wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
2052     for (i = 0; i < m_fileHistoryN; i++)
2053     {
2054         if ( m_fileHistory[i] )
2055         {
2056             // if in same directory just show the filename; otherwise the full
2057             // path
2058             wxString pathInMenu, path, filename, ext;
2059             wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
2060             if ( path == pathCurrent )
2061             {
2062                 pathInMenu = filename;
2063                 if ( !ext.empty() )
2064                     pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
2065             }
2066             else
2067             {
2068                 // absolute path; could also set relative path
2069                 pathInMenu = m_fileHistory[i];
2070             }
2071
2072             wxString buf;
2073             buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
2074             wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2075             while (node)
2076             {
2077                 wxMenu* menu = (wxMenu*) node->GetData();
2078                 menu->SetLabel(m_idBase + i, buf);
2079                 node = node->GetNext();
2080             }
2081         }
2082     }
2083 }
2084
2085 void wxFileHistory::RemoveFileFromHistory(size_t i)
2086 {
2087     wxCHECK_RET( i < m_fileHistoryN,
2088                  wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2089
2090     // delete the element from the array (could use memmove() too...)
2091     delete [] m_fileHistory[i];
2092
2093     size_t j;
2094     for ( j = i; j < m_fileHistoryN - 1; j++ )
2095     {
2096         m_fileHistory[j] = m_fileHistory[j + 1];
2097     }
2098
2099     wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2100     while ( node )
2101     {
2102          wxMenu* menu = (wxMenu*) node->GetData();
2103
2104          // shuffle filenames up
2105          wxString buf;
2106          for ( j = i; j < m_fileHistoryN - 1; j++ )
2107          {
2108              buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2109              menu->SetLabel(m_idBase + j, buf);
2110          }
2111
2112          node = node->GetNext();
2113
2114         // delete the last menu item which is unused now
2115         wxWindowID lastItemId = m_idBase + m_fileHistoryN - 1;
2116         if (menu->FindItem(lastItemId))
2117         {
2118             menu->Delete(lastItemId);
2119         }
2120
2121         // delete the last separator too if no more files are left
2122         if ( m_fileHistoryN == 1 )
2123         {
2124             wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast();
2125             if ( node )
2126             {
2127                 wxMenuItem *menuItem = node->GetData();
2128                 if ( menuItem->IsSeparator() )
2129                 {
2130                     menu->Delete(menuItem);
2131                 }
2132                 //else: should we search backwards for the last separator?
2133             }
2134             //else: menu is empty somehow
2135         }
2136     }
2137
2138     m_fileHistoryN--;
2139 }
2140
2141 wxString wxFileHistory::GetHistoryFile(size_t i) const
2142 {
2143     wxString s;
2144     if ( i < m_fileHistoryN )
2145     {
2146         s = m_fileHistory[i];
2147     }
2148     else
2149     {
2150         wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2151     }
2152
2153     return s;
2154 }
2155
2156 void wxFileHistory::UseMenu(wxMenu *menu)
2157 {
2158     if (!m_fileMenus.Member(menu))
2159         m_fileMenus.Append(menu);
2160 }
2161
2162 void wxFileHistory::RemoveMenu(wxMenu *menu)
2163 {
2164     m_fileMenus.DeleteObject(menu);
2165 }
2166
2167 #if wxUSE_CONFIG
2168 void wxFileHistory::Load(wxConfigBase& config)
2169 {
2170     m_fileHistoryN = 0;
2171     wxString buf;
2172     buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2173     wxString historyFile;
2174     while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT("")))
2175     {
2176         m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile);
2177         m_fileHistoryN ++;
2178         buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2179         historyFile = wxT("");
2180     }
2181     AddFilesToMenu();
2182 }
2183
2184 void wxFileHistory::Save(wxConfigBase& config)
2185 {
2186     size_t i;
2187     for (i = 0; i < m_fileMaxFiles; i++)
2188     {
2189         wxString buf;
2190         buf.Printf(wxT("file%d"), (int)i+1);
2191         if (i < m_fileHistoryN)
2192             config.Write(buf, wxString(m_fileHistory[i]));
2193         else
2194             config.Write(buf, wxEmptyString);
2195     }
2196 }
2197 #endif // wxUSE_CONFIG
2198
2199 void wxFileHistory::AddFilesToMenu()
2200 {
2201     if (m_fileHistoryN > 0)
2202     {
2203         wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2204         while (node)
2205         {
2206             wxMenu* menu = (wxMenu*) node->GetData();
2207             if (menu->GetMenuItemCount())
2208             {
2209                 menu->AppendSeparator();
2210             }
2211
2212             size_t i;
2213             for (i = 0; i < m_fileHistoryN; i++)
2214             {
2215                 if (m_fileHistory[i])
2216                 {
2217                     wxString buf;
2218                     buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2219                     menu->Append(m_idBase+i, buf);
2220                 }
2221             }
2222             node = node->GetNext();
2223         }
2224     }
2225 }
2226
2227 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2228 {
2229     if (m_fileHistoryN > 0)
2230     {
2231         if (menu->GetMenuItemCount())
2232         {
2233             menu->AppendSeparator();
2234         }
2235
2236         size_t i;
2237         for (i = 0; i < m_fileHistoryN; i++)
2238         {
2239             if (m_fileHistory[i])
2240             {
2241                 wxString buf;
2242                 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2243                 menu->Append(m_idBase+i, buf);
2244             }
2245         }
2246     }
2247 }
2248
2249 // ----------------------------------------------------------------------------
2250 // Permits compatibility with existing file formats and functions that
2251 // manipulate files directly
2252 // ----------------------------------------------------------------------------
2253
2254 #if wxUSE_STD_IOSTREAM
2255
2256 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2257 {
2258     wxFFile file(filename, _T("rb"));
2259     if ( !file.IsOpened() )
2260         return FALSE;
2261
2262     char buf[4096];
2263
2264     size_t nRead;
2265     do
2266     {
2267         nRead = file.Read(buf, WXSIZEOF(buf));
2268         if ( file.Error() )
2269             return FALSE;
2270
2271         stream.write(buf, nRead);
2272         if ( !stream )
2273             return FALSE;
2274     }
2275     while ( !file.Eof() );
2276
2277     return TRUE;
2278 }
2279
2280 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2281 {
2282     wxFFile file(filename, _T("wb"));
2283     if ( !file.IsOpened() )
2284         return FALSE;
2285
2286     char buf[4096];
2287     do
2288     {
2289         stream.read(buf, WXSIZEOF(buf));
2290         if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2291         {
2292             if ( !file.Write(buf, stream.gcount()) )
2293                 return FALSE;
2294         }
2295     }
2296     while ( !stream.eof() );
2297
2298     return TRUE;
2299 }
2300
2301 #else // !wxUSE_STD_IOSTREAM
2302
2303 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2304 {
2305     wxFFile file(filename, _T("rb"));
2306     if ( !file.IsOpened() )
2307         return FALSE;
2308
2309     char buf[4096];
2310
2311     size_t nRead;
2312     do
2313     {
2314         nRead = file.Read(buf, WXSIZEOF(buf));
2315         if ( file.Error() )
2316             return FALSE;
2317
2318         stream.Write(buf, nRead);
2319         if ( !stream )
2320             return FALSE;
2321     }
2322     while ( !file.Eof() );
2323
2324     return TRUE;
2325 }
2326
2327 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2328 {
2329     wxFFile file(filename, _T("wb"));
2330     if ( !file.IsOpened() )
2331         return FALSE;
2332
2333     char buf[4096];
2334     do
2335     {
2336         stream.Read(buf, WXSIZEOF(buf));
2337
2338         const size_t nRead = stream.LastRead();
2339         if ( !nRead || !file.Write(buf, nRead) )
2340             return FALSE;
2341     }
2342     while ( !stream.Eof() );
2343
2344     return TRUE;
2345 }
2346
2347 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2348
2349 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
2350