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