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 #ifdef __GNUG__
  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
 187     wxNode *node = m_documentViews.GetFirst();
 188     while (node)
 189     {
 190         wxView *view = (wxView *)node->GetData();
 191         if (!view->Close())
 192             return FALSE;
 193
 194         wxNode *next = node->GetNext();
 195
 196         delete view; // Deletes node implicitly
 197         node = next;
 198     }
 199     // If we haven't yet deleted the document (for example
 200     // if there were no views) then delete it.
 201     if (manager && manager->GetDocuments().Member(this))
 202         delete this;
 203
 204     return TRUE;
 205 }
 206
 207 wxView *wxDocument::GetFirstView() const
 208 {
 209     if (m_documentViews.GetCount() == 0)
 210         return (wxView *) NULL;
 211     return (wxView *)m_documentViews.GetFirst()->GetData();
 212 }
 213
 214 wxDocManager *wxDocument::GetDocumentManager() const
 215 {
 216     return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
 217 }
 218
 219 bool wxDocument::OnNewDocument()
 220 {
 221     if (!OnSaveModified())
 222         return FALSE;
 223
 224     if (OnCloseDocument()==FALSE) return FALSE;
 225     DeleteContents();
 226     Modify(FALSE);
 227     SetDocumentSaved(FALSE);
 228
 229     wxString name;
 230     GetDocumentManager()->MakeDefaultName(name);
 231     SetTitle(name);
 232     SetFilename(name, TRUE);
 233
 234     return TRUE;
 235 }
 236
 237 bool wxDocument::Save()
 238 {
 239     if (!IsModified() && m_savedYet)
 240         return TRUE;
 241
 242     if ( m_documentFile.empty() || !m_savedYet )
 243         return SaveAs();
 244
 245     return OnSaveDocument(m_documentFile);
 246 }
 247
 248 bool wxDocument::SaveAs()
 249 {
 250     wxDocTemplate *docTemplate = GetDocumentTemplate();
 251     if (!docTemplate)
 252         return FALSE;
 253
 254     wxString tmp = wxFileSelector(_("Save as"),
 255             docTemplate->GetDirectory(),
 256             wxFileNameFromPath(GetFilename()),
 257             docTemplate->GetDefaultExtension(),
 258             docTemplate->GetFileFilter(),
 259             wxSAVE | wxOVERWRITE_PROMPT,
 260             GetDocumentWindow());
 261
 262     if (tmp.IsEmpty())
 263         return FALSE;
 264
 265     wxString fileName(tmp);
 266     wxString path, name, ext;
 267     wxSplitPath(fileName, & path, & name, & ext);
 268
 269     if (ext.IsEmpty() || ext == wxT(""))
 270     {
 271         fileName += wxT(".");
 272         fileName += docTemplate->GetDefaultExtension();
 273     }
 274
 275     SetFilename(fileName);
 276     SetTitle(wxFileNameFromPath(fileName));
 277
 278     // Notify the views that the filename has changed
 279     wxNode *node = m_documentViews.GetFirst();
 280     while (node)
 281     {
 282         wxView *view = (wxView *)node->GetData();
 283         view->OnChangeFilename();
 284         node = node->GetNext();
 285     }
 286
 287     // Files that were not saved correctly are not added to the FileHistory.
 288     if (!OnSaveDocument(m_documentFile))
 289         return FALSE;
 290
 291    // A file that doesn't use the default extension of its document template cannot be opened
 292    // via the FileHistory, so we do not add it.
 293    if (docTemplate->FileMatchesTemplate(fileName))
 294    {
 295        GetDocumentManager()->AddFileToHistory(fileName);
 296    }
 297    else
 298    {
 299        // The user will probably not be able to open the file again, so
 300        // we could warn about the wrong file-extension here.
 301    }
 302    return TRUE;
 303 }
 304
 305 bool wxDocument::OnSaveDocument(const wxString& file)
 306 {
 307     if ( !file )
 308         return FALSE;
 309
 310     wxString msgTitle;
 311     if (wxTheApp->GetAppName() != wxT(""))
 312         msgTitle = wxTheApp->GetAppName();
 313     else
 314         msgTitle = wxString(_("File error"));
 315
 316 #if wxUSE_STD_IOSTREAM
 317     wxSTD ofstream store(file.mb_str());
 318     if (store.fail() || store.bad())
 319 #else
 320     wxFileOutputStream store(file);
 321     if (store.GetLastError() != wxSTREAM_NO_ERROR)
 322 #endif
 323     {
 324         (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
 325                            GetDocumentWindow());
 326         // Saving error
 327         return FALSE;
 328     }
 329     if (!SaveObject(store))
 330     {
 331         (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
 332                            GetDocumentWindow());
 333         // Saving error
 334         return FALSE;
 335     }
 336     Modify(FALSE);
 337     SetFilename(file);
 338     SetDocumentSaved(TRUE);
 339 #ifdef __WXMAC__
 340     wxFileName fn(file) ;
 341     fn.MacSetDefaultTypeAndCreator() ;
 342 #endif
 343     return TRUE;
 344 }
 345
 346 bool wxDocument::OnOpenDocument(const wxString& file)
 347 {
 348     if (!OnSaveModified())
 349         return FALSE;
 350
 351     wxString msgTitle;
 352     if (wxTheApp->GetAppName() != wxT(""))
 353         msgTitle = wxTheApp->GetAppName();
 354     else
 355         msgTitle = wxString(_("File error"));
 356
 357 #if wxUSE_STD_IOSTREAM
 358     wxSTD ifstream store(file.mb_str());
 359     if (store.fail() || store.bad())
 360 #else
 361     wxFileInputStream store(file);
 362     if (store.GetLastError() != wxSTREAM_NO_ERROR)
 363 #endif
 364     {
 365         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 366                            GetDocumentWindow());
 367         return FALSE;
 368     }
 369 #if wxUSE_STD_IOSTREAM
 370     LoadObject(store);
 371     if ( !store && !store.eof() )
 372 #else
 373     int res = LoadObject(store).GetLastError();
 374     if ((res != wxSTREAM_NO_ERROR) &&
 375         (res != wxSTREAM_EOF))
 376 #endif
 377     {
 378         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 379                            GetDocumentWindow());
 380         return FALSE;
 381     }
 382     SetFilename(file, TRUE);
 383     Modify(FALSE);
 384     m_savedYet = TRUE;
 385
 386     UpdateAllViews();
 387
 388     return TRUE;
 389 }
 390
 391 #if wxUSE_STD_IOSTREAM
 392 wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
 393 #else
 394 wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
 395 #endif
 396 {
 397     return stream;
 398 }
 399
 400 #if wxUSE_STD_IOSTREAM
 401 wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
 402 #else
 403 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
 404 #endif
 405 {
 406     return stream;
 407 }
 408
 409 bool wxDocument::Revert()
 410 {
 411     return FALSE;
 412 }
 413
 414
 415 // Get title, or filename if no title, else unnamed
 416 bool wxDocument::GetPrintableName(wxString& buf) const
 417 {
 418     if (m_documentTitle != wxT(""))
 419     {
 420         buf = m_documentTitle;
 421         return TRUE;
 422     }
 423     else if (m_documentFile != wxT(""))
 424     {
 425         buf = wxFileNameFromPath(m_documentFile);
 426         return TRUE;
 427     }
 428     else
 429     {
 430         buf = _("unnamed");
 431         return TRUE;
 432     }
 433 }
 434
 435 wxWindow *wxDocument::GetDocumentWindow() const
 436 {
 437     wxView *view = GetFirstView();
 438     if (view)
 439         return view->GetFrame();
 440     else
 441         return wxTheApp->GetTopWindow();
 442 }
 443
 444 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
 445 {
 446     return new wxCommandProcessor;
 447 }
 448
 449 // TRUE if safe to close
 450 bool wxDocument::OnSaveModified()
 451 {
 452     if (IsModified())
 453     {
 454         wxString title;
 455         GetPrintableName(title);
 456
 457         wxString msgTitle;
 458         if (wxTheApp->GetAppName() != wxT(""))
 459             msgTitle = wxTheApp->GetAppName();
 460         else
 461             msgTitle = wxString(_("Warning"));
 462
 463         wxString prompt;
 464         prompt.Printf(_("Do you want to save changes to document %s?"),
 465                 (const wxChar *)title);
 466         int res = wxMessageBox(prompt, msgTitle,
 467                 wxYES_NO|wxCANCEL|wxICON_QUESTION,
 468                 GetDocumentWindow());
 469         if (res == wxNO)
 470         {
 471             Modify(FALSE);
 472             return TRUE;
 473         }
 474         else if (res == wxYES)
 475             return Save();
 476         else if (res == wxCANCEL)
 477             return FALSE;
 478     }
 479     return TRUE;
 480 }
 481
 482 bool wxDocument::Draw(wxDC& WXUNUSED(context))
 483 {
 484     return TRUE;
 485 }
 486
 487 bool wxDocument::AddView(wxView *view)
 488 {
 489     if (!m_documentViews.Member(view))
 490     {
 491         m_documentViews.Append(view);
 492         OnChangedViewList();
 493     }
 494     return TRUE;
 495 }
 496
 497 bool wxDocument::RemoveView(wxView *view)
 498 {
 499     (void)m_documentViews.DeleteObject(view);
 500     OnChangedViewList();
 501     return TRUE;
 502 }
 503
 504 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
 505 {
 506     if (GetDocumentTemplate()->CreateView(this, flags))
 507         return TRUE;
 508     else
 509         return FALSE;
 510 }
 511
 512 // Called after a view is added or removed.
 513 // The default implementation deletes the document if
 514 // there are no more views.
 515 void wxDocument::OnChangedViewList()
 516 {
 517     if (m_documentViews.GetCount() == 0)
 518     {
 519         if (OnSaveModified())
 520         {
 521             delete this;
 522         }
 523     }
 524 }
 525
 526 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
 527 {
 528     wxNode *node = m_documentViews.GetFirst();
 529     while (node)
 530     {
 531         wxView *view = (wxView *)node->GetData();
 532                 if (view != sender)
 533             view->OnUpdate(sender, hint);
 534         node = node->GetNext();
 535     }
 536 }
 537
 538 void wxDocument::NotifyClosing()
 539 {
 540     wxNode *node = m_documentViews.GetFirst();
 541     while (node)
 542     {
 543         wxView *view = (wxView *)node->GetData();
 544         view->OnClosingDocument();
 545         node = node->GetNext();
 546     }
 547 }
 548
 549 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
 550 {
 551     m_documentFile = filename;
 552     if ( notifyViews )
 553     {
 554         // Notify the views that the filename has changed
 555         wxNode *node = m_documentViews.GetFirst();
 556         while (node)
 557         {
 558             wxView *view = (wxView *)node->GetData();
 559             view->OnChangeFilename();
 560             node = node->GetNext();
 561         }
 562     }
 563 }
 564
 565 // ----------------------------------------------------------------------------
 566 // Document view
 567 // ----------------------------------------------------------------------------
 568
 569 wxView::wxView()
 570 {
 571     //  SetDocument(doc);
 572     m_viewDocument = (wxDocument*) NULL;
 573
 574     m_viewTypeName = wxT("");
 575     m_viewFrame = (wxFrame *) NULL;
 576 }
 577
 578 wxView::~wxView()
 579 {
 580 //    GetDocumentManager()->ActivateView(this, FALSE, TRUE);
 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     else
 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     wxNode *node = m_docs.GetFirst();
 812     while (node)
 813     {
 814         wxDocument *doc = (wxDocument *)node->GetData();
 815         wxNode *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     wxNode *node = m_templates.GetFirst();
 834     while (node)
 835     {
 836         wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
 837         wxNode* 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 #if 0
1532     // In all other windowing systems, until we have more advanced
1533     // file selectors, we must select the document type (template) first, and
1534     // _then_ pop up the file selector.
1535     wxDocTemplate *temp = SelectDocumentType(templates, noTemplates);
1536     if (!temp)
1537         return (wxDocTemplate *) NULL;
1538
1539     wxChar *pathTmp = wxFileSelector(_("Select a file"), wxT(""), wxT(""),
1540             temp->GetDefaultExtension(),
1541             temp->GetFileFilter(),
1542             0, wxTheApp->GetTopWindow());
1543
1544     if (pathTmp)
1545     {
1546         path = pathTmp;
1547         return temp;
1548     }
1549     else
1550         return (wxDocTemplate *) NULL;
1551 #endif // 0
1552 }
1553
1554 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1555                                                 int noTemplates, bool sort)
1556 {
1557     wxArrayString strings(sort);
1558     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1559     int i;
1560     int n = 0;
1561
1562         for (i = 0; i < noTemplates; i++)
1563         {
1564                 if (templates[i]->IsVisible())
1565                 {
1566                 int j;
1567             bool want = TRUE;
1568                         for (j = 0; j < n; j++)
1569                         {
1570                 //filter out NOT unique documents + view combinations
1571                                 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1572                      templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1573                    )
1574                     want = FALSE;
1575                         }
1576
1577             if ( want )
1578                         {
1579                         strings.Add(templates[i]->m_description);
1580
1581                                 data[n] = templates[i];
1582                                 n ++;
1583                         }
1584                 }
1585         }  // for
1586
1587         if (sort)
1588         {
1589                 // Yes, this will be slow, but template lists
1590                 // are typically short.
1591                 int j;
1592                 n = strings.Count();
1593                 for (i = 0; i < n; i++)
1594                 {
1595                         for (j = 0; j < noTemplates; j++)
1596                         {
1597                                 if (strings[i] == templates[j]->m_description)
1598                                         data[i] = templates[j];
1599                         }
1600                 }
1601         }
1602
1603     wxDocTemplate *theTemplate;
1604
1605     switch ( n )
1606     {
1607         case 0:
1608             // no visible templates, hence nothing to choose from
1609             theTemplate = NULL;
1610             break;
1611
1612         case 1:
1613             // don't propose the user to choose if he heas no choice
1614             theTemplate = data[0];
1615             break;
1616
1617         default:
1618             // propose the user to choose one of several
1619             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1620                           (
1621                             _("Select a document template"),
1622                             _("Templates"),
1623                             strings,
1624                             (void **)data,
1625                             wxFindSuitableParent()
1626                           );
1627     }
1628
1629     delete[] data;
1630
1631     return theTemplate;
1632 }
1633
1634 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1635                                             int noTemplates, bool sort)
1636 {
1637     wxArrayString strings(sort);
1638     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1639     int i;
1640     int n = 0;
1641
1642     for (i = 0; i < noTemplates; i++)
1643     {
1644         wxDocTemplate *templ = templates[i];
1645         if ( templ->IsVisible() && !templ->GetViewName().empty() )
1646         {
1647                 int j;
1648             bool want = TRUE;
1649                         for (j = 0; j < n; j++)
1650                         {
1651                 //filter out NOT unique views
1652                                 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1653                     want = FALSE;
1654                         }
1655
1656             if ( want )
1657             {
1658                         strings.Add(templ->m_viewTypeName);
1659                                 data[n] = templ;
1660                                 n ++;
1661                         }
1662         }
1663     }
1664
1665         if (sort)
1666         {
1667                 // Yes, this will be slow, but template lists
1668                 // are typically short.
1669                 int j;
1670                 n = strings.Count();
1671                 for (i = 0; i < n; i++)
1672                 {
1673                         for (j = 0; j < noTemplates; j++)
1674                         {
1675                                 if (strings[i] == templates[j]->m_viewTypeName)
1676                                         data[i] = templates[j];
1677                         }
1678                 }
1679         }
1680
1681     wxDocTemplate *theTemplate;
1682
1683     // the same logic as above
1684     switch ( n )
1685     {
1686         case 0:
1687             theTemplate = (wxDocTemplate *)NULL;
1688             break;
1689
1690         case 1:
1691             theTemplate = data[0];
1692             break;
1693
1694         default:
1695             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1696                           (
1697                             _("Select a document view"),
1698                             _("Views"),
1699                             strings,
1700                             (void **)data,
1701                             wxFindSuitableParent()
1702                           );
1703
1704     }
1705
1706     delete[] data;
1707     return theTemplate;
1708 }
1709
1710 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1711 {
1712     if (!m_templates.Member(temp))
1713         m_templates.Append(temp);
1714 }
1715
1716 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1717 {
1718     m_templates.DeleteObject(temp);
1719 }
1720
1721 // Add and remove a document from the manager's list
1722 void wxDocManager::AddDocument(wxDocument *doc)
1723 {
1724     if (!m_docs.Member(doc))
1725         m_docs.Append(doc);
1726 }
1727
1728 void wxDocManager::RemoveDocument(wxDocument *doc)
1729 {
1730     m_docs.DeleteObject(doc);
1731 }
1732
1733 // Views or windows should inform the document manager
1734 // when a view is going in or out of focus
1735 void wxDocManager::ActivateView(wxView *view, bool activate, bool WXUNUSED(deleting))
1736 {
1737     // If we're deactiving, and if we're not actually deleting the view, then
1738     // don't reset the current view because we may be going to
1739     // a window without a view.
1740     // WHAT DID I MEAN BY THAT EXACTLY?
1741     /*
1742        if (deleting)
1743        {
1744        if (m_currentView == view)
1745        m_currentView = NULL;
1746        }
1747        else
1748      */
1749     {
1750         if (activate)
1751             m_currentView = view;
1752         else
1753             m_currentView = (wxView *) NULL;
1754     }
1755 }
1756
1757 // ----------------------------------------------------------------------------
1758 // Default document child frame
1759 // ----------------------------------------------------------------------------
1760
1761 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1762     EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1763     EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1764 END_EVENT_TABLE()
1765
1766 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1767                                  wxView *view,
1768                                  wxFrame *frame,
1769                                  wxWindowID id,
1770                                  const wxString& title,
1771                                  const wxPoint& pos,
1772                                  const wxSize& size,
1773                                  long style,
1774                                  const wxString& name)
1775                : wxFrame(frame, id, title, pos, size, style, name)
1776 {
1777     m_childDocument = doc;
1778     m_childView = view;
1779     if (view)
1780         view->SetFrame(this);
1781 }
1782
1783 wxDocChildFrame::~wxDocChildFrame()
1784 {
1785 }
1786
1787 // Extend event processing to search the view's event table
1788 bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1789 {
1790     if (m_childView)
1791         m_childView->Activate(TRUE);
1792
1793     if ( !m_childView || ! m_childView->ProcessEvent(event) )
1794     {
1795         // Only hand up to the parent if it's a menu command
1796         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1797             return wxEvtHandler::ProcessEvent(event);
1798         else
1799             return TRUE;
1800     }
1801     else
1802         return TRUE;
1803 }
1804
1805 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1806 {
1807     wxFrame::OnActivate(event);
1808
1809     if (m_childView)
1810         m_childView->Activate(event.GetActive());
1811 }
1812
1813 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1814 {
1815     if (m_childView)
1816     {
1817         bool ans = FALSE;
1818         if (!event.CanVeto())
1819             ans = TRUE; // Must delete.
1820         else
1821             ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
1822
1823         if (ans)
1824         {
1825             m_childView->Activate(FALSE);
1826             delete m_childView;
1827             m_childView = (wxView *) NULL;
1828             m_childDocument = (wxDocument *) NULL;
1829
1830             this->Destroy();
1831         }
1832         else
1833             event.Veto();
1834     }
1835     else
1836         event.Veto();
1837 }
1838
1839 // ----------------------------------------------------------------------------
1840 // Default parent frame
1841 // ----------------------------------------------------------------------------
1842
1843 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1844     EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1845     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1846     EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1847 END_EVENT_TABLE()
1848
1849 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1850                                    wxFrame *frame,
1851                                    wxWindowID id,
1852                                    const wxString& title,
1853                                    const wxPoint& pos,
1854                                    const wxSize& size,
1855                                    long style,
1856                                    const wxString& name)
1857                 : wxFrame(frame, id, title, pos, size, style, name)
1858 {
1859     m_docManager = manager;
1860 }
1861
1862 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1863 {
1864     Close();
1865 }
1866
1867 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1868 {
1869     int n = event.GetId() - wxID_FILE1;  // the index in MRU list
1870     wxString filename(m_docManager->GetHistoryFile(n));
1871     if ( !filename.IsEmpty() )
1872     {
1873         // verify that the file exists before doing anything else
1874         if ( wxFile::Exists(filename) )
1875         {
1876             // try to open it
1877             if (!m_docManager->CreateDocument(filename, wxDOC_SILENT))
1878             {
1879                 // remove the file from the MRU list. The user should already be notified.
1880                 m_docManager->RemoveFileFromHistory(n);
1881
1882                 wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."),
1883                        filename.c_str());
1884             }
1885         }
1886         else
1887         {
1888             // remove the bogus filename from the MRU list and notify the user
1889             // about it
1890             m_docManager->RemoveFileFromHistory(n);
1891
1892             wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
1893                        filename.c_str());
1894         }
1895     }
1896 }
1897
1898 // Extend event processing to search the view's event table
1899 bool wxDocParentFrame::ProcessEvent(wxEvent& event)
1900 {
1901     // Try the document manager, then do default processing
1902     if (!m_docManager || !m_docManager->ProcessEvent(event))
1903         return wxEvtHandler::ProcessEvent(event);
1904     else
1905         return TRUE;
1906 }
1907
1908 // Define the behaviour for the frame closing
1909 // - must delete all frames except for the main one.
1910 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1911 {
1912     if (m_docManager->Clear(!event.CanVeto()))
1913     {
1914         this->Destroy();
1915     }
1916     else
1917         event.Veto();
1918 }
1919
1920 #if wxUSE_PRINTING_ARCHITECTURE
1921
1922 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1923              : wxPrintout(title)
1924 {
1925     m_printoutView = view;
1926 }
1927
1928 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1929 {
1930     wxDC *dc = GetDC();
1931
1932     // Get the logical pixels per inch of screen and printer
1933     int ppiScreenX, ppiScreenY;
1934     GetPPIScreen(&ppiScreenX, &ppiScreenY);
1935     int ppiPrinterX, ppiPrinterY;
1936     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
1937
1938     // This scales the DC so that the printout roughly represents the
1939     // the screen scaling. The text point size _should_ be the right size
1940     // but in fact is too small for some reason. This is a detail that will
1941     // need to be addressed at some point but can be fudged for the
1942     // moment.
1943     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
1944
1945     // Now we have to check in case our real page size is reduced
1946     // (e.g. because we're drawing to a print preview memory DC)
1947     int pageWidth, pageHeight;
1948     int w, h;
1949     dc->GetSize(&w, &h);
1950     GetPageSizePixels(&pageWidth, &pageHeight);
1951
1952     // If printer pageWidth == current DC width, then this doesn't
1953     // change. But w might be the preview bitmap width, so scale down.
1954     float overallScale = scale * (float)(w/(float)pageWidth);
1955     dc->SetUserScale(overallScale, overallScale);
1956
1957     if (m_printoutView)
1958     {
1959         m_printoutView->OnDraw(dc);
1960     }
1961     return TRUE;
1962 }
1963
1964 bool wxDocPrintout::HasPage(int pageNum)
1965 {
1966     return (pageNum == 1);
1967 }
1968
1969 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
1970 {
1971     if (!wxPrintout::OnBeginDocument(startPage, endPage))
1972         return FALSE;
1973
1974     return TRUE;
1975 }
1976
1977 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
1978 {
1979     *minPage = 1;
1980     *maxPage = 1;
1981     *selPageFrom = 1;
1982     *selPageTo = 1;
1983 }
1984
1985 #endif // wxUSE_PRINTING_ARCHITECTURE
1986
1987 // ----------------------------------------------------------------------------
1988 // File history processor
1989 // ----------------------------------------------------------------------------
1990
1991 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
1992 {
1993     m_fileMaxFiles = maxFiles;
1994     m_idBase = idBase;
1995     m_fileHistoryN = 0;
1996     m_fileHistory = new wxChar *[m_fileMaxFiles];
1997 }
1998
1999 wxFileHistory::~wxFileHistory()
2000 {
2001     size_t i;
2002     for (i = 0; i < m_fileHistoryN; i++)
2003         delete[] m_fileHistory[i];
2004     delete[] m_fileHistory;
2005 }
2006
2007 // File history management
2008 void wxFileHistory::AddFileToHistory(const wxString& file)
2009 {
2010     size_t i;
2011
2012     // Check we don't already have this file
2013     for (i = 0; i < m_fileHistoryN; i++)
2014     {
2015 #if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names
2016         wxString testString;
2017         if ( m_fileHistory[i] )
2018             testString = m_fileHistory[i];
2019         if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) )
2020 #else
2021         if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) )
2022 #endif
2023         {
2024             // we do have it, move it to the top of the history
2025             RemoveFileFromHistory (i);
2026             AddFileToHistory (file);
2027             return;
2028         }
2029     }
2030
2031     // if we already have a full history, delete the one at the end
2032     if ( m_fileMaxFiles == m_fileHistoryN )
2033     {
2034         RemoveFileFromHistory (m_fileHistoryN - 1);
2035         AddFileToHistory (file);
2036         return;
2037     }
2038
2039     // Add to the project file history:
2040     // Move existing files (if any) down so we can insert file at beginning.
2041     if (m_fileHistoryN < m_fileMaxFiles)
2042     {
2043         wxNode* node = m_fileMenus.GetFirst();
2044         while (node)
2045         {
2046             wxMenu* menu = (wxMenu*) node->GetData();
2047             if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() )
2048             {
2049                 menu->AppendSeparator();
2050             }
2051             menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]"));
2052             node = node->GetNext();
2053         }
2054         m_fileHistoryN ++;
2055     }
2056     // Shuffle filenames down
2057     for (i = (m_fileHistoryN-1); i > 0; i--)
2058     {
2059         m_fileHistory[i] = m_fileHistory[i-1];
2060     }
2061     m_fileHistory[0] = copystring(file);
2062
2063     // this is the directory of the last opened file
2064     wxString pathCurrent;
2065     wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
2066     for (i = 0; i < m_fileHistoryN; i++)
2067     {
2068         if ( m_fileHistory[i] )
2069         {
2070             // if in same directory just show the filename; otherwise the full
2071             // path
2072             wxString pathInMenu, path, filename, ext;
2073             wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
2074             if ( path == pathCurrent )
2075             {
2076                 pathInMenu = filename;
2077                 if ( !ext.empty() )
2078                     pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
2079             }
2080             else
2081             {
2082                 // absolute path; could also set relative path
2083                 pathInMenu = m_fileHistory[i];
2084             }
2085
2086             wxString buf;
2087             buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
2088             wxNode* node = m_fileMenus.GetFirst();
2089             while (node)
2090             {
2091                 wxMenu* menu = (wxMenu*) node->GetData();
2092                 menu->SetLabel(m_idBase + i, buf);
2093                 node = node->GetNext();
2094             }
2095         }
2096     }
2097 }
2098
2099 void wxFileHistory::RemoveFileFromHistory(size_t i)
2100 {
2101     wxCHECK_RET( i < m_fileHistoryN,
2102                  wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2103
2104     // delete the element from the array (could use memmove() too...)
2105     delete [] m_fileHistory[i];
2106
2107     size_t j;
2108     for ( j = i; j < m_fileHistoryN - 1; j++ )
2109     {
2110         m_fileHistory[j] = m_fileHistory[j + 1];
2111     }
2112
2113     wxNode* node = m_fileMenus.GetFirst();
2114     while ( node )
2115     {
2116          wxMenu* menu = (wxMenu*) node->GetData();
2117
2118          // shuffle filenames up
2119          wxString buf;
2120          for ( j = i; j < m_fileHistoryN - 1; j++ )
2121          {
2122              buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2123              menu->SetLabel(m_idBase + j, buf);
2124          }
2125
2126          node = node->GetNext();
2127
2128         // delete the last menu item which is unused now
2129         wxWindowID lastItemId = m_idBase + m_fileHistoryN - 1;
2130         if (menu->FindItem(lastItemId))
2131         {
2132             menu->Delete(lastItemId);
2133         }
2134
2135         // delete the last separator too if no more files are left
2136         if ( m_fileHistoryN == 1 )
2137         {
2138             wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
2139             if ( node )
2140             {
2141                 wxMenuItem *menuItem = node->GetData();
2142                 if ( menuItem->IsSeparator() )
2143                 {
2144                     menu->Delete(menuItem);
2145                 }
2146                 //else: should we search backwards for the last separator?
2147             }
2148             //else: menu is empty somehow
2149         }
2150     }
2151
2152     m_fileHistoryN--;
2153 }
2154
2155 wxString wxFileHistory::GetHistoryFile(size_t i) const
2156 {
2157     wxString s;
2158     if ( i < m_fileHistoryN )
2159     {
2160         s = m_fileHistory[i];
2161     }
2162     else
2163     {
2164         wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2165     }
2166
2167     return s;
2168 }
2169
2170 void wxFileHistory::UseMenu(wxMenu *menu)
2171 {
2172     if (!m_fileMenus.Member(menu))
2173         m_fileMenus.Append(menu);
2174 }
2175
2176 void wxFileHistory::RemoveMenu(wxMenu *menu)
2177 {
2178     m_fileMenus.DeleteObject(menu);
2179 }
2180
2181 #if wxUSE_CONFIG
2182 void wxFileHistory::Load(wxConfigBase& config)
2183 {
2184     m_fileHistoryN = 0;
2185     wxString buf;
2186     buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2187     wxString historyFile;
2188     while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT("")))
2189     {
2190         m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile);
2191         m_fileHistoryN ++;
2192         buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2193         historyFile = wxT("");
2194     }
2195     AddFilesToMenu();
2196 }
2197
2198 void wxFileHistory::Save(wxConfigBase& config)
2199 {
2200     size_t i;
2201     for (i = 0; i < m_fileMaxFiles; i++)
2202     {
2203         wxString buf;
2204         buf.Printf(wxT("file%d"), (int)i+1);
2205         if (i < m_fileHistoryN)
2206             config.Write(buf, wxString(m_fileHistory[i]));
2207         else
2208             config.Write(buf, wxEmptyString);
2209     }
2210 }
2211 #endif // wxUSE_CONFIG
2212
2213 void wxFileHistory::AddFilesToMenu()
2214 {
2215     if (m_fileHistoryN > 0)
2216     {
2217         wxNode* node = m_fileMenus.GetFirst();
2218         while (node)
2219         {
2220             wxMenu* menu = (wxMenu*) node->GetData();
2221             if (menu->GetMenuItemCount())
2222             {
2223                 menu->AppendSeparator();
2224             }
2225
2226             size_t i;
2227             for (i = 0; i < m_fileHistoryN; i++)
2228             {
2229                 if (m_fileHistory[i])
2230                 {
2231                     wxString buf;
2232                     buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2233                     menu->Append(m_idBase+i, buf);
2234                 }
2235             }
2236             node = node->GetNext();
2237         }
2238     }
2239 }
2240
2241 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2242 {
2243     if (m_fileHistoryN > 0)
2244     {
2245         if (menu->GetMenuItemCount())
2246         {
2247             menu->AppendSeparator();
2248         }
2249
2250         size_t i;
2251         for (i = 0; i < m_fileHistoryN; i++)
2252         {
2253             if (m_fileHistory[i])
2254             {
2255                 wxString buf;
2256                 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2257                 menu->Append(m_idBase+i, buf);
2258             }
2259         }
2260     }
2261 }
2262
2263 // ----------------------------------------------------------------------------
2264 // Permits compatibility with existing file formats and functions that
2265 // manipulate files directly
2266 // ----------------------------------------------------------------------------
2267
2268 #if wxUSE_STD_IOSTREAM
2269
2270 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2271 {
2272     wxFFile file(filename, _T("rb"));
2273     if ( !file.IsOpened() )
2274         return FALSE;
2275
2276     char buf[4096];
2277
2278     size_t nRead;
2279     do
2280     {
2281         nRead = file.Read(buf, WXSIZEOF(buf));
2282         if ( file.Error() )
2283             return FALSE;
2284
2285         stream.write(buf, nRead);
2286         if ( !stream )
2287             return FALSE;
2288     }
2289     while ( !file.Eof() );
2290
2291     return TRUE;
2292 }
2293
2294 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2295 {
2296     wxFFile file(filename, _T("wb"));
2297     if ( !file.IsOpened() )
2298         return FALSE;
2299
2300     char buf[4096];
2301     do
2302     {
2303         stream.read(buf, WXSIZEOF(buf));
2304         if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2305         {
2306             if ( !file.Write(buf, stream.gcount()) )
2307                 return FALSE;
2308         }
2309     }
2310     while ( !stream.eof() );
2311
2312     return TRUE;
2313 }
2314
2315 #else // !wxUSE_STD_IOSTREAM
2316
2317 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2318 {
2319     wxFFile file(filename, _T("rb"));
2320     if ( !file.IsOpened() )
2321         return FALSE;
2322
2323     char buf[4096];
2324
2325     size_t nRead;
2326     do
2327     {
2328         nRead = file.Read(buf, WXSIZEOF(buf));
2329         if ( file.Error() )
2330             return FALSE;
2331
2332         stream.Write(buf, nRead);
2333         if ( !stream )
2334             return FALSE;
2335     }
2336     while ( !file.Eof() );
2337
2338     return TRUE;
2339 }
2340
2341 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2342 {
2343     wxFFile file(filename, _T("wb"));
2344     if ( !file.IsOpened() )
2345         return FALSE;
2346
2347     char buf[4096];
2348     do
2349     {
2350         stream.Read(buf, WXSIZEOF(buf));
2351
2352         const size_t nRead = stream.LastRead();
2353         if ( !nRead || !file.Write(buf, nRead) )
2354             return FALSE;
2355     }
2356     while ( !stream.Eof() );
2357
2358     return TRUE;
2359 }
2360
2361 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2362
2363 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
2364