src/common/docview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/docview.cpp
   3 // Purpose:     Document/view classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "docview.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28   #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_DOC_VIEW_ARCHITECTURE
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/string.h"
  35     #include "wx/utils.h"
  36     #include "wx/app.h"
  37     #include "wx/dc.h"
  38     #include "wx/dialog.h"
  39     #include "wx/menu.h"
  40     #include "wx/list.h"
  41     #include "wx/filedlg.h"
  42     #include "wx/intl.h"
  43     #include "wx/log.h"
  44 #endif
  45
  46 #include "wx/ffile.h"
  47
  48 #ifdef __WXMAC__
  49     #include "wx/filename.h"
  50 #endif
  51
  52 #ifdef __WXGTK__
  53     #include "wx/mdi.h"
  54 #endif
  55
  56 #if wxUSE_PRINTING_ARCHITECTURE
  57   #include "wx/prntbase.h"
  58   #include "wx/printdlg.h"
  59 #endif
  60
  61 #include "wx/msgdlg.h"
  62 #include "wx/choicdlg.h"
  63 #include "wx/docview.h"
  64 #include "wx/confbase.h"
  65 #include "wx/file.h"
  66 #include "wx/cmdproc.h"
  67
  68 #include <stdio.h>
  69 #include <string.h>
  70
  71 #if wxUSE_STD_IOSTREAM
  72   #include "wx/ioswrap.h"
  73   #if wxUSE_IOSTREAMH
  74     #include <fstream.h>
  75   #else
  76     #include <fstream>
  77   #endif
  78 #else
  79   #include "wx/wfstream.h"
  80 #endif
  81
  82 // ----------------------------------------------------------------------------
  83 // wxWidgets 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     // first check if all views agree to be closed
 188     const wxList::iterator end = m_documentViews.end();
 189     for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
 190     {
 191         wxView *view = (wxView *)*i;
 192         if ( !view->Close() )
 193             return false;
 194     }
 195
 196     // all views agreed to close, now do close them
 197     if ( m_documentViews.empty() )
 198     {
 199         // normally the document would be implicitly deleted when the last view
 200         // is, but if don't have any views, do it here instead
 201         if ( manager && manager->GetDocuments().Member(this) )
 202             delete this;
 203     }
 204     else // have views
 205     {
 206         // as we delete elements we iterate over, don't use the usual "from
 207         // begin to end" loop
 208         for ( ;; )
 209         {
 210             wxView *view = (wxView *)*m_documentViews.begin();
 211
 212             bool isLastOne = m_documentViews.size() == 1;
 213
 214             // this always deletes the node implicitly and if this is the last
 215             // view also deletes this object itself (also implicitly, great),
 216             // so we can't test for m_documentViews.empty() after calling this!
 217             delete view;
 218
 219             if ( isLastOne )
 220                 break;
 221         }
 222     }
 223
 224     return true;
 225 }
 226
 227 wxView *wxDocument::GetFirstView() const
 228 {
 229     if (m_documentViews.GetCount() == 0)
 230         return (wxView *) NULL;
 231     return (wxView *)m_documentViews.GetFirst()->GetData();
 232 }
 233
 234 wxDocManager *wxDocument::GetDocumentManager() const
 235 {
 236     return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
 237 }
 238
 239 bool wxDocument::OnNewDocument()
 240 {
 241     if (!OnSaveModified())
 242         return false;
 243
 244     if (OnCloseDocument()==false) return false;
 245     DeleteContents();
 246     Modify(false);
 247     SetDocumentSaved(false);
 248
 249     wxString name;
 250     GetDocumentManager()->MakeDefaultName(name);
 251     SetTitle(name);
 252     SetFilename(name, true);
 253
 254     return true;
 255 }
 256
 257 bool wxDocument::Save()
 258 {
 259     if (!IsModified() && m_savedYet)
 260         return true;
 261
 262     if ( m_documentFile.empty() || !m_savedYet )
 263         return SaveAs();
 264
 265     return OnSaveDocument(m_documentFile);
 266 }
 267
 268 bool wxDocument::SaveAs()
 269 {
 270     wxDocTemplate *docTemplate = GetDocumentTemplate();
 271     if (!docTemplate)
 272         return false;
 273
 274 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
 275     wxString filter = docTemplate->GetDescription() + wxT(" (") + docTemplate->GetFileFilter() + wxT(")|") + docTemplate->GetFileFilter();
 276
 277     // Now see if there are some other template with identical view and document
 278     // classes, whose filters may also be used.
 279
 280     if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
 281     {
 282         wxList::compatibility_iterator node = wxDocManager::GetDocumentManager()->GetTemplates().GetFirst();
 283         while (node)
 284         {
 285             wxDocTemplate *t = (wxDocTemplate*) node->GetData();
 286
 287             if (t->IsVisible() && t != docTemplate &&
 288                 t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
 289                 t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
 290             {
 291                 // add a '|' to separate this filter from the previous one
 292                 if ( !filter.empty() )
 293                     filter << wxT('|');
 294
 295                 filter << t->GetDescription() << wxT(" (") << t->GetFileFilter() << wxT(") |")
 296                        << t->GetFileFilter();
 297             }
 298
 299             node = node->GetNext();
 300         }
 301     }
 302 #else
 303     wxString filter = docTemplate->GetFileFilter() ;
 304 #endif
 305     wxString tmp = wxFileSelector(_("Save as"),
 306             docTemplate->GetDirectory(),
 307             wxFileNameFromPath(GetFilename()),
 308             docTemplate->GetDefaultExtension(),
 309             filter,
 310             wxSAVE | wxOVERWRITE_PROMPT,
 311             GetDocumentWindow());
 312
 313     if (tmp.empty())
 314         return false;
 315
 316     wxString fileName(tmp);
 317     wxString path, name, ext;
 318     wxSplitPath(fileName, & path, & name, & ext);
 319
 320     if (ext.empty())
 321     {
 322         fileName += wxT(".");
 323         fileName += docTemplate->GetDefaultExtension();
 324     }
 325
 326     SetFilename(fileName);
 327     SetTitle(wxFileNameFromPath(fileName));
 328
 329     // Notify the views that the filename has changed
 330     wxList::compatibility_iterator node = m_documentViews.GetFirst();
 331     while (node)
 332     {
 333         wxView *view = (wxView *)node->GetData();
 334         view->OnChangeFilename();
 335         node = node->GetNext();
 336     }
 337
 338     // Files that were not saved correctly are not added to the FileHistory.
 339     if (!OnSaveDocument(m_documentFile))
 340         return false;
 341
 342    // A file that doesn't use the default extension of its document template cannot be opened
 343    // via the FileHistory, so we do not add it.
 344    if (docTemplate->FileMatchesTemplate(fileName))
 345    {
 346        GetDocumentManager()->AddFileToHistory(fileName);
 347    }
 348    else
 349    {
 350        // The user will probably not be able to open the file again, so
 351        // we could warn about the wrong file-extension here.
 352    }
 353    return true;
 354 }
 355
 356 bool wxDocument::OnSaveDocument(const wxString& file)
 357 {
 358     if ( !file )
 359         return false;
 360
 361     if ( !DoSaveDocument(file) )
 362         return false;
 363
 364     Modify(false);
 365     SetFilename(file);
 366     SetDocumentSaved(true);
 367 #ifdef __WXMAC__
 368     wxFileName fn(file) ;
 369     fn.MacSetDefaultTypeAndCreator() ;
 370 #endif
 371     return true;
 372 }
 373
 374 bool wxDocument::OnOpenDocument(const wxString& file)
 375 {
 376     if (!OnSaveModified())
 377         return false;
 378
 379     if ( !DoOpenDocument(file) )
 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.empty())
 419     {
 420         buf = m_documentTitle;
 421         return true;
 422     }
 423     else if (!m_documentFile.empty())
 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().empty())
 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     wxList::compatibility_iterator 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     wxList::compatibility_iterator 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         wxList::compatibility_iterator 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 bool wxDocument::DoSaveDocument(const wxString& file)
 566 {
 567     wxString msgTitle;
 568     if (!wxTheApp->GetAppName().empty())
 569         msgTitle = wxTheApp->GetAppName();
 570     else
 571         msgTitle = wxString(_("File error"));
 572
 573 #if wxUSE_STD_IOSTREAM
 574     wxSTD ofstream store(file.mb_str());
 575     if (store.fail() || store.bad())
 576 #else
 577     wxFileOutputStream store(file);
 578     if (store.GetLastError() != wxSTREAM_NO_ERROR)
 579 #endif
 580     {
 581         (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
 582                            GetDocumentWindow());
 583         // Saving error
 584         return false;
 585     }
 586     if (!SaveObject(store))
 587     {
 588         (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
 589                            GetDocumentWindow());
 590         // Saving error
 591         return false;
 592     }
 593
 594     return true;
 595 }
 596
 597 bool wxDocument::DoOpenDocument(const wxString& file)
 598 {
 599     wxString msgTitle;
 600     if (!wxTheApp->GetAppName().empty())
 601         msgTitle = wxTheApp->GetAppName();
 602     else
 603         msgTitle = wxString(_("File error"));
 604
 605 #if wxUSE_STD_IOSTREAM
 606     wxSTD ifstream store(file.mb_str());
 607     if (store.fail() || store.bad())
 608 #else
 609     wxFileInputStream store(file);
 610     if (store.GetLastError() != wxSTREAM_NO_ERROR)
 611 #endif
 612     {
 613         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 614                            GetDocumentWindow());
 615         return false;
 616     }
 617 #if wxUSE_STD_IOSTREAM
 618     LoadObject(store);
 619     if ( !store && !store.eof() )
 620 #else
 621     int res = LoadObject(store).GetLastError();
 622     if ((res != wxSTREAM_NO_ERROR) &&
 623         (res != wxSTREAM_EOF))
 624 #endif
 625     {
 626         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 627                            GetDocumentWindow());
 628         return false;
 629     }
 630
 631     return true;
 632 }
 633
 634
 635 // ----------------------------------------------------------------------------
 636 // Document view
 637 // ----------------------------------------------------------------------------
 638
 639 wxView::wxView()
 640 {
 641     m_viewDocument = (wxDocument*) NULL;
 642
 643     m_viewFrame = (wxFrame *) NULL;
 644 }
 645
 646 wxView::~wxView()
 647 {
 648     GetDocumentManager()->ActivateView(this, false);
 649     m_viewDocument->RemoveView(this);
 650 }
 651
 652 // Extend event processing to search the document's event table
 653 bool wxView::ProcessEvent(wxEvent& event)
 654 {
 655     if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
 656         return wxEvtHandler::ProcessEvent(event);
 657
 658     return true;
 659 }
 660
 661 void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
 662 {
 663 }
 664
 665 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
 666 {
 667     OnDraw(dc);
 668 }
 669
 670 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
 671 {
 672 }
 673
 674 void wxView::OnChangeFilename()
 675 {
 676     if (GetFrame() && GetDocument())
 677     {
 678         wxString title;
 679
 680         GetDocument()->GetPrintableName(title);
 681
 682         GetFrame()->SetTitle(title);
 683     }
 684 }
 685
 686 void wxView::SetDocument(wxDocument *doc)
 687 {
 688     m_viewDocument = doc;
 689     if (doc)
 690         doc->AddView(this);
 691 }
 692
 693 bool wxView::Close(bool deleteWindow)
 694 {
 695     if (OnClose(deleteWindow))
 696         return true;
 697     else
 698         return false;
 699 }
 700
 701 void wxView::Activate(bool activate)
 702 {
 703     if (GetDocument() && GetDocumentManager())
 704     {
 705         OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
 706         GetDocumentManager()->ActivateView(this, activate);
 707     }
 708 }
 709
 710 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
 711 {
 712     return GetDocument() ? GetDocument()->Close() : true;
 713 }
 714
 715 #if wxUSE_PRINTING_ARCHITECTURE
 716 wxPrintout *wxView::OnCreatePrintout()
 717 {
 718     return new wxDocPrintout(this);
 719 }
 720 #endif // wxUSE_PRINTING_ARCHITECTURE
 721
 722 // ----------------------------------------------------------------------------
 723 // wxDocTemplate
 724 // ----------------------------------------------------------------------------
 725
 726 wxDocTemplate::wxDocTemplate(wxDocManager *manager,
 727                              const wxString& descr,
 728                              const wxString& filter,
 729                              const wxString& dir,
 730                              const wxString& ext,
 731                              const wxString& docTypeName,
 732                              const wxString& viewTypeName,
 733                              wxClassInfo *docClassInfo,
 734                              wxClassInfo *viewClassInfo,
 735                              long flags)
 736 {
 737     m_documentManager = manager;
 738     m_description = descr;
 739     m_directory = dir;
 740     m_defaultExt = ext;
 741     m_fileFilter = filter;
 742     m_flags = flags;
 743     m_docTypeName = docTypeName;
 744     m_viewTypeName = viewTypeName;
 745     m_documentManager->AssociateTemplate(this);
 746
 747     m_docClassInfo = docClassInfo;
 748     m_viewClassInfo = viewClassInfo;
 749 }
 750
 751 wxDocTemplate::~wxDocTemplate()
 752 {
 753     m_documentManager->DisassociateTemplate(this);
 754 }
 755
 756 // Tries to dynamically construct an object of the right class.
 757 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
 758 {
 759     wxDocument *doc = DoCreateDocument();
 760     if ( doc == NULL )
 761         return (wxDocument *) NULL;
 762
 763     if (InitDocument(doc, path, flags))
 764     {
 765         return doc;
 766     }
 767     else
 768     {
 769         return (wxDocument *) NULL;
 770     }
 771 }
 772
 773 bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
 774 {
 775     doc->SetFilename(path);
 776     doc->SetDocumentTemplate(this);
 777     GetDocumentManager()->AddDocument(doc);
 778     doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
 779
 780     if (doc->OnCreate(path, flags))
 781         return true;
 782     else
 783     {
 784         if (GetDocumentManager()->GetDocuments().Member(doc))
 785             doc->DeleteAllViews();
 786         return false;
 787     }
 788 }
 789
 790 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
 791 {
 792     wxView *view = DoCreateView();
 793     if ( view == NULL )
 794         return (wxView *) NULL;
 795
 796     view->SetDocument(doc);
 797     if (view->OnCreate(doc, flags))
 798     {
 799         return view;
 800     }
 801     else
 802     {
 803         delete view;
 804         return (wxView *) NULL;
 805     }
 806 }
 807
 808 // The default (very primitive) format detection: check is the extension is
 809 // that of the template
 810 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
 811 {
 812     return GetDefaultExtension().IsSameAs(FindExtension(path));
 813 }
 814
 815 wxDocument *wxDocTemplate::DoCreateDocument()
 816 {
 817     if (!m_docClassInfo)
 818         return (wxDocument *) NULL;
 819
 820     return (wxDocument *)m_docClassInfo->CreateObject();
 821 }
 822
 823 wxView *wxDocTemplate::DoCreateView()
 824 {
 825     if (!m_viewClassInfo)
 826         return (wxView *) NULL;
 827
 828     return (wxView *)m_viewClassInfo->CreateObject();
 829 }
 830
 831 // ----------------------------------------------------------------------------
 832 // wxDocManager
 833 // ----------------------------------------------------------------------------
 834
 835 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
 836     EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
 837     EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
 838     EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
 839     EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
 840     EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
 841     EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
 842     EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
 843     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
 844     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
 845
 846     EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
 847     EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
 848     EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose)
 849     EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
 850     EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
 851     EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
 852     EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
 853     EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
 854     EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
 855
 856 #if wxUSE_PRINTING_ARCHITECTURE
 857     EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
 858     EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
 859
 860     EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
 861     EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
 862 #endif
 863 END_EVENT_TABLE()
 864
 865 wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
 866
 867 wxDocManager::wxDocManager(long flags, bool initialize)
 868 {
 869     m_defaultDocumentNameCounter = 1;
 870     m_flags = flags;
 871     m_currentView = (wxView *) NULL;
 872     m_maxDocsOpen = 10000;
 873     m_fileHistory = (wxFileHistory *) NULL;
 874     if (initialize)
 875         Initialize();
 876     sm_docManager = this;
 877 }
 878
 879 wxDocManager::~wxDocManager()
 880 {
 881     Clear();
 882     if (m_fileHistory)
 883         delete m_fileHistory;
 884     sm_docManager = (wxDocManager*) NULL;
 885 }
 886
 887 // closes the specified document
 888 bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
 889 {
 890     if (doc->Close() || force)
 891     {
 892         // Implicitly deletes the document when
 893         // the last view is deleted
 894         doc->DeleteAllViews();
 895
 896         // Check we're really deleted
 897         if (m_docs.Member(doc))
 898             delete doc;
 899
 900         return true;
 901     }
 902     return false;
 903 }
 904
 905 bool wxDocManager::CloseDocuments(bool force)
 906 {
 907     wxList::compatibility_iterator node = m_docs.GetFirst();
 908     while (node)
 909     {
 910         wxDocument *doc = (wxDocument *)node->GetData();
 911         wxList::compatibility_iterator next = node->GetNext();
 912
 913         if (!CloseDocument(doc, force))
 914             return false;
 915
 916         // This assumes that documents are not connected in
 917         // any way, i.e. deleting one document does NOT
 918         // delete another.
 919         node = next;
 920     }
 921     return true;
 922 }
 923
 924 bool wxDocManager::Clear(bool force)
 925 {
 926     if (!CloseDocuments(force))
 927         return false;
 928
 929     m_currentView = NULL;
 930
 931     wxList::compatibility_iterator node = m_templates.GetFirst();
 932     while (node)
 933     {
 934         wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
 935         wxList::compatibility_iterator next = node->GetNext();
 936         delete templ;
 937         node = next;
 938     }
 939     return true;
 940 }
 941
 942 bool wxDocManager::Initialize()
 943 {
 944     m_fileHistory = OnCreateFileHistory();
 945     return true;
 946 }
 947
 948 wxFileHistory *wxDocManager::OnCreateFileHistory()
 949 {
 950     return new wxFileHistory;
 951 }
 952
 953 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
 954 {
 955     wxDocument *doc = GetCurrentDocument();
 956     if (!doc)
 957         return;
 958     if (doc->Close())
 959     {
 960         doc->DeleteAllViews();
 961         if (m_docs.Member(doc))
 962             delete doc;
 963     }
 964 }
 965
 966 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
 967 {
 968     CloseDocuments(false);
 969 }
 970
 971 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
 972 {
 973     CreateDocument( wxEmptyString, wxDOC_NEW );
 974 }
 975
 976 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
 977 {
 978     if ( !CreateDocument( wxEmptyString, 0) )
 979     {
 980         OnOpenFileFailure();
 981     }
 982 }
 983
 984 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
 985 {
 986     wxDocument *doc = GetCurrentDocument();
 987     if (!doc)
 988         return;
 989     doc->Revert();
 990 }
 991
 992 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
 993 {
 994     wxDocument *doc = GetCurrentDocument();
 995     if (!doc)
 996         return;
 997     doc->Save();
 998 }
 999
1000 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
1001 {
1002     wxDocument *doc = GetCurrentDocument();
1003     if (!doc)
1004         return;
1005     doc->SaveAs();
1006 }
1007
1008 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
1009 {
1010 #if wxUSE_PRINTING_ARCHITECTURE
1011     wxView *view = GetCurrentView();
1012     if (!view)
1013         return;
1014
1015     wxPrintout *printout = view->OnCreatePrintout();
1016     if (printout)
1017     {
1018         wxPrinter printer;
1019         printer.Print(view->GetFrame(), printout, true);
1020
1021         delete printout;
1022     }
1023 #endif // wxUSE_PRINTING_ARCHITECTURE
1024 }
1025
1026 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
1027 {
1028 #if wxUSE_PRINTING_ARCHITECTURE
1029     wxView *view = GetCurrentView();
1030     if (!view)
1031         return;
1032
1033     wxPrintout *printout = view->OnCreatePrintout();
1034     if (printout)
1035     {
1036         // Pass two printout objects: for preview, and possible printing.
1037         wxPrintPreviewBase *preview = new wxPrintPreview(printout, view->OnCreatePrintout());
1038         if ( !preview->Ok() )
1039         {
1040             delete preview;
1041             wxMessageBox( _("Sorry, print preview needs a printer to be installed.") );
1042             return;
1043         }
1044
1045         wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
1046                 wxPoint(100, 100), wxSize(600, 650));
1047         frame->Centre(wxBOTH);
1048         frame->Initialize();
1049         frame->Show(true);
1050     }
1051 #endif // wxUSE_PRINTING_ARCHITECTURE
1052 }
1053
1054 void wxDocManager::OnUndo(wxCommandEvent& event)
1055 {
1056     wxDocument *doc = GetCurrentDocument();
1057     if (!doc)
1058         return;
1059     if (doc->GetCommandProcessor())
1060         doc->GetCommandProcessor()->Undo();
1061     else
1062         event.Skip();
1063 }
1064
1065 void wxDocManager::OnRedo(wxCommandEvent& event)
1066 {
1067     wxDocument *doc = GetCurrentDocument();
1068     if (!doc)
1069         return;
1070     if (doc->GetCommandProcessor())
1071         doc->GetCommandProcessor()->Redo();
1072     else
1073         event.Skip();
1074 }
1075
1076 // Handlers for UI update commands
1077
1078 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
1079 {
1080     event.Enable( true );
1081 }
1082
1083 void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
1084 {
1085     wxDocument *doc = GetCurrentDocument();
1086     event.Enable( (doc != (wxDocument*) NULL) );
1087 }
1088
1089 void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
1090 {
1091     wxDocument *doc = GetCurrentDocument();
1092     event.Enable( (doc != (wxDocument*) NULL) );
1093 }
1094
1095 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
1096 {
1097     event.Enable( true );
1098 }
1099
1100 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
1101 {
1102     wxDocument *doc = GetCurrentDocument();
1103     event.Enable( doc && doc->IsModified() );
1104 }
1105
1106 void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
1107 {
1108     wxDocument *doc = GetCurrentDocument();
1109     event.Enable( (doc != (wxDocument*) NULL) );
1110 }
1111
1112 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
1113 {
1114     wxDocument *doc = GetCurrentDocument();
1115     if (!doc)
1116         event.Enable(false);
1117     else if (!doc->GetCommandProcessor())
1118         event.Skip();
1119     else
1120     {
1121         event.Enable( doc->GetCommandProcessor()->CanUndo() );
1122         doc->GetCommandProcessor()->SetMenuStrings();
1123     }
1124 }
1125
1126 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
1127 {
1128     wxDocument *doc = GetCurrentDocument();
1129     if (!doc)
1130         event.Enable(false);
1131     else if (!doc->GetCommandProcessor())
1132         event.Skip();
1133     else
1134     {
1135         event.Enable( doc->GetCommandProcessor()->CanRedo() );
1136         doc->GetCommandProcessor()->SetMenuStrings();
1137     }
1138 }
1139
1140 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
1141 {
1142     wxDocument *doc = GetCurrentDocument();
1143     event.Enable( (doc != (wxDocument*) NULL) );
1144 }
1145
1146 void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
1147 {
1148     wxDocument *doc = GetCurrentDocument();
1149     event.Enable( (doc != (wxDocument*) NULL) );
1150 }
1151
1152 wxView *wxDocManager::GetCurrentView() const
1153 {
1154     if (m_currentView)
1155         return m_currentView;
1156     if (m_docs.GetCount() == 1)
1157     {
1158         wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
1159         return doc->GetFirstView();
1160     }
1161     return (wxView *) NULL;
1162 }
1163
1164 // Extend event processing to search the view's event table
1165 bool wxDocManager::ProcessEvent(wxEvent& event)
1166 {
1167     wxView* view = GetCurrentView();
1168     if (view)
1169     {
1170         if (view->ProcessEvent(event))
1171             return true;
1172     }
1173     return wxEvtHandler::ProcessEvent(event);
1174 }
1175
1176 wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
1177 {
1178     wxDocTemplate   **templates = new wxDocTemplate *[m_templates.GetCount()];
1179     int               n = 0;
1180
1181     for (size_t i = 0; i < m_templates.GetCount(); i++)
1182     {
1183         wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1184         if (temp->IsVisible())
1185         {
1186             templates[n] = temp;
1187             n ++;
1188         }
1189     }
1190     if (n == 0)
1191     {
1192         delete[] templates;
1193         return (wxDocument *) NULL;
1194     }
1195
1196     wxDocument* docToClose = NULL;
1197
1198     // If we've reached the max number of docs, close the
1199     // first one.
1200     if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
1201     {
1202         wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
1203         docToClose = doc;
1204     }
1205
1206     // New document: user chooses a template, unless there's only one.
1207     if (flags & wxDOC_NEW)
1208     {
1209         if (n == 1)
1210         {
1211             if (docToClose)
1212             {
1213                 if (!CloseDocument(docToClose, false))
1214                 {
1215                     delete[] templates;
1216                     return NULL;
1217                 }
1218             }
1219
1220             wxDocTemplate *temp = templates[0];
1221             delete[] templates;
1222             wxDocument *newDoc = temp->CreateDocument(path, flags);
1223
1224             if (newDoc)
1225             {
1226                 newDoc->SetDocumentName(temp->GetDocumentName());
1227                 newDoc->SetDocumentTemplate(temp);
1228                 if (!newDoc->OnNewDocument() )
1229                 {
1230                      // Document is implicitly deleted by DeleteAllViews
1231                      newDoc->DeleteAllViews();
1232                      return NULL;
1233                 }
1234             }
1235             return newDoc;
1236         }
1237
1238         wxDocTemplate *temp = SelectDocumentType(templates, n);
1239         delete[] templates;
1240         if (temp)
1241         {
1242             if (docToClose)
1243             {
1244                 if (!CloseDocument(docToClose, false))
1245                 {
1246                     return NULL;
1247                 }
1248             }
1249
1250             wxDocument *newDoc = temp->CreateDocument(path, flags);
1251
1252             if (newDoc)
1253             {
1254                 newDoc->SetDocumentName(temp->GetDocumentName());
1255                 newDoc->SetDocumentTemplate(temp);
1256                 if (!newDoc->OnNewDocument() )
1257                 {
1258                      // Document is implicitly deleted by DeleteAllViews
1259                      newDoc->DeleteAllViews();
1260                      return NULL;
1261                 }
1262             }
1263             return newDoc;
1264         }
1265         else
1266             return (wxDocument *) NULL;
1267     }
1268
1269     // Existing document
1270     wxDocTemplate *temp;
1271
1272     wxString path2 = path;
1273
1274     if (flags & wxDOC_SILENT)
1275     {
1276         temp = FindTemplateForPath(path2);
1277         if (!temp)
1278         {
1279             // Since we do not add files with non-default extensions to the FileHistory this
1280             // can only happen if the application changes the allowed templates in runtime.
1281             (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1282                                 _("Open File"),
1283                                wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1284         }
1285     }
1286     else
1287         temp = SelectDocumentPath(templates, n, path2, flags);
1288
1289     delete[] templates;
1290
1291     if (temp)
1292     {
1293         if (docToClose)
1294         {
1295             if (!CloseDocument(docToClose, false))
1296             {
1297                 return NULL;
1298             }
1299         }
1300
1301         //see if this file is already open
1302         for (size_t i = 0; i < GetDocuments().GetCount(); ++i)
1303         {
1304             wxDocument* currentDoc = (wxDocument*)(GetDocuments().Item(i)->GetData());
1305 #ifdef __WXMSW__
1306             //file paths are case-insensitive on Windows
1307             if (path2.CmpNoCase(currentDoc->GetFilename()) == 0)
1308 #else
1309             if (path2.Cmp(currentDoc->GetFilename()) == 0)
1310 #endif
1311             {
1312                 //file already open. Just activate it and return
1313                 if (currentDoc->GetFirstView())
1314                 {
1315                     ActivateView(currentDoc->GetFirstView(), true);
1316                     if (currentDoc->GetDocumentWindow())
1317                         currentDoc->GetDocumentWindow()->SetFocus();
1318                     return currentDoc;
1319                 }
1320             }
1321         }
1322
1323         wxDocument *newDoc = temp->CreateDocument(path2, flags);
1324         if (newDoc)
1325         {
1326             newDoc->SetDocumentName(temp->GetDocumentName());
1327             newDoc->SetDocumentTemplate(temp);
1328             if (!newDoc->OnOpenDocument(path2))
1329             {
1330                 newDoc->DeleteAllViews();
1331                 // delete newDoc; // Implicitly deleted by DeleteAllViews
1332                 return (wxDocument *) NULL;
1333             }
1334             // A file that doesn't use the default extension of its document
1335             // template cannot be opened via the FileHistory, so we do not
1336             // add it.
1337             if (temp->FileMatchesTemplate(path2))
1338                 AddFileToHistory(path2);
1339         }
1340         return newDoc;
1341     }
1342
1343     return (wxDocument *) NULL;
1344 }
1345
1346 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1347 {
1348     wxDocTemplate   **templates = new wxDocTemplate *[m_templates.GetCount()];
1349     int               n =0;
1350
1351     for (size_t i = 0; i < m_templates.GetCount(); i++)
1352     {
1353         wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
1354         if (temp->IsVisible())
1355         {
1356             if (temp->GetDocumentName() == doc->GetDocumentName())
1357             {
1358                 templates[n] = temp;
1359                 n ++;
1360             }
1361         }
1362     }
1363     if (n == 0)
1364     {
1365         delete[] templates;
1366         return (wxView *) NULL;
1367     }
1368     if (n == 1)
1369     {
1370         wxDocTemplate *temp = templates[0];
1371         delete[] templates;
1372         wxView *view = temp->CreateView(doc, flags);
1373         if (view)
1374             view->SetViewName(temp->GetViewName());
1375         return view;
1376     }
1377
1378     wxDocTemplate *temp = SelectViewType(templates, n);
1379     delete[] templates;
1380     if (temp)
1381     {
1382         wxView *view = temp->CreateView(doc, flags);
1383         if (view)
1384             view->SetViewName(temp->GetViewName());
1385         return view;
1386     }
1387     else
1388         return (wxView *) NULL;
1389 }
1390
1391 // Not yet implemented
1392 void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1393 {
1394 }
1395
1396 // Not yet implemented
1397 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1398 {
1399     return false;
1400 }
1401
1402 wxDocument *wxDocManager::GetCurrentDocument() const
1403 {
1404     wxView *view = GetCurrentView();
1405     if (view)
1406         return view->GetDocument();
1407     else
1408         return (wxDocument *) NULL;
1409 }
1410
1411 // Make a default document name
1412 bool wxDocManager::MakeDefaultName(wxString& name)
1413 {
1414     name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1415     m_defaultDocumentNameCounter++;
1416
1417     return true;
1418 }
1419
1420 // Make a frame title (override this to do something different)
1421 // If docName is empty, a document is not currently active.
1422 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1423 {
1424     wxString appName = wxTheApp->GetAppName();
1425     wxString title;
1426     if (!doc)
1427         title = appName;
1428     else
1429     {
1430         wxString docName;
1431         doc->GetPrintableName(docName);
1432         title = docName + wxString(_(" - ")) + appName;
1433     }
1434     return title;
1435 }
1436
1437
1438 // Not yet implemented
1439 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1440 {
1441     return (wxDocTemplate *) NULL;
1442 }
1443
1444 // File history management
1445 void wxDocManager::AddFileToHistory(const wxString& file)
1446 {
1447     if (m_fileHistory)
1448         m_fileHistory->AddFileToHistory(file);
1449 }
1450
1451 void wxDocManager::RemoveFileFromHistory(size_t i)
1452 {
1453     if (m_fileHistory)
1454         m_fileHistory->RemoveFileFromHistory(i);
1455 }
1456
1457 wxString wxDocManager::GetHistoryFile(size_t i) const
1458 {
1459     wxString histFile;
1460
1461     if (m_fileHistory)
1462         histFile = m_fileHistory->GetHistoryFile(i);
1463
1464     return histFile;
1465 }
1466
1467 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1468 {
1469     if (m_fileHistory)
1470         m_fileHistory->UseMenu(menu);
1471 }
1472
1473 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1474 {
1475     if (m_fileHistory)
1476         m_fileHistory->RemoveMenu(menu);
1477 }
1478
1479 #if wxUSE_CONFIG
1480 void wxDocManager::FileHistoryLoad(wxConfigBase& config)
1481 {
1482     if (m_fileHistory)
1483         m_fileHistory->Load(config);
1484 }
1485
1486 void wxDocManager::FileHistorySave(wxConfigBase& config)
1487 {
1488     if (m_fileHistory)
1489         m_fileHistory->Save(config);
1490 }
1491 #endif
1492
1493 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1494 {
1495     if (m_fileHistory)
1496         m_fileHistory->AddFilesToMenu(menu);
1497 }
1498
1499 void wxDocManager::FileHistoryAddFilesToMenu()
1500 {
1501     if (m_fileHistory)
1502         m_fileHistory->AddFilesToMenu();
1503 }
1504
1505 size_t wxDocManager::GetHistoryFilesCount() const
1506 {
1507     return m_fileHistory ? m_fileHistory->GetCount() : 0;
1508 }
1509
1510
1511 // Find out the document template via matching in the document file format
1512 // against that of the template
1513 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1514 {
1515     wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
1516
1517     // Find the template which this extension corresponds to
1518     for (size_t i = 0; i < m_templates.GetCount(); i++)
1519     {
1520         wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
1521         if ( temp->FileMatchesTemplate(path) )
1522         {
1523             theTemplate = temp;
1524             break;
1525         }
1526     }
1527     return theTemplate;
1528 }
1529
1530 // Try to get a more suitable parent frame than the top window,
1531 // for selection dialogs. Otherwise you may get an unexpected
1532 // window being activated when a dialog is shown.
1533 static wxWindow* wxFindSuitableParent()
1534 {
1535     wxWindow* parent = wxTheApp->GetTopWindow();
1536
1537     wxWindow* focusWindow = wxWindow::FindFocus();
1538     if (focusWindow)
1539     {
1540         while (focusWindow &&
1541                 !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
1542                 !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
1543
1544             focusWindow = focusWindow->GetParent();
1545
1546         if (focusWindow)
1547             parent = focusWindow;
1548     }
1549     return parent;
1550 }
1551
1552 // Prompts user to open a file, using file specs in templates.
1553 // Must extend the file selector dialog or implement own; OR
1554 // match the extension to the template extension.
1555
1556 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1557 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1558                                                 int noTemplates,
1559 #else
1560                                                 int WXUNUSED(noTemplates),
1561 #endif
1562                                                 wxString& path,
1563                                                 long WXUNUSED(flags),
1564                                                 bool WXUNUSED(save))
1565 {
1566     // We can only have multiple filters in Windows and GTK
1567 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
1568     wxString descrBuf;
1569
1570     int i;
1571     for (i = 0; i < noTemplates; i++)
1572     {
1573         if (templates[i]->IsVisible())
1574         {
1575             // add a '|' to separate this filter from the previous one
1576             if ( !descrBuf.empty() )
1577                 descrBuf << wxT('|');
1578
1579             descrBuf << templates[i]->GetDescription()
1580                 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1581                 << templates[i]->GetFileFilter();
1582         }
1583     }
1584 #else
1585     wxString descrBuf = wxT("*.*");
1586 #endif
1587
1588     int FilterIndex = -1;
1589
1590     wxWindow* parent = wxFindSuitableParent();
1591
1592     wxString pathTmp = wxFileSelectorEx(_("Select a file"),
1593                                         m_lastDirectory,
1594                                         wxEmptyString,
1595                                         &FilterIndex,
1596                                         descrBuf,
1597                                         0,
1598                                         parent);
1599
1600     wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
1601     if (!pathTmp.empty())
1602     {
1603         if (!wxFileExists(pathTmp))
1604         {
1605             wxString msgTitle;
1606             if (!wxTheApp->GetAppName().empty())
1607                 msgTitle = wxTheApp->GetAppName();
1608             else
1609                 msgTitle = wxString(_("File error"));
1610
1611             (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
1612                 parent);
1613
1614             path = wxEmptyString;
1615             return (wxDocTemplate *) NULL;
1616         }
1617         m_lastDirectory = wxPathOnly(pathTmp);
1618
1619         path = pathTmp;
1620
1621         // first choose the template using the extension, if this fails (i.e.
1622         // wxFileSelectorEx() didn't fill it), then use the path
1623         if ( FilterIndex != -1 )
1624             theTemplate = templates[FilterIndex];
1625         if ( !theTemplate )
1626             theTemplate = FindTemplateForPath(path);
1627         if ( !theTemplate )
1628         {
1629             // Since we do not add files with non-default extensions to the FileHistory this
1630             // can only happen if the application changes the allowed templates in runtime.
1631             (void)wxMessageBox(_("Sorry, the format for this file is unknown."),
1632                                 _("Open File"),
1633                                 wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
1634         }
1635     }
1636     else
1637     {
1638         path = wxEmptyString;
1639     }
1640
1641     return theTemplate;
1642 }
1643
1644 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1645                                                 int noTemplates, bool sort)
1646 {
1647     wxArrayString strings;
1648     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1649     int i;
1650     int n = 0;
1651
1652     for (i = 0; i < noTemplates; i++)
1653     {
1654         if (templates[i]->IsVisible())
1655         {
1656             int j;
1657             bool want = true;
1658             for (j = 0; j < n; j++)
1659             {
1660                 //filter out NOT unique documents + view combinations
1661                 if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
1662                      templates[i]->m_viewTypeName == data[j]->m_viewTypeName
1663                    )
1664                     want = false;
1665             }
1666
1667             if ( want )
1668             {
1669                 strings.Add(templates[i]->m_description);
1670
1671                 data[n] = templates[i];
1672                 n ++;
1673             }
1674         }
1675     }  // for
1676
1677     if (sort)
1678     {
1679         strings.Sort(); // ascending sort
1680         // Yes, this will be slow, but template lists
1681         // are typically short.
1682         int j;
1683         n = strings.Count();
1684         for (i = 0; i < n; i++)
1685         {
1686             for (j = 0; j < noTemplates; j++)
1687             {
1688                 if (strings[i] == templates[j]->m_description)
1689                     data[i] = templates[j];
1690             }
1691         }
1692     }
1693
1694     wxDocTemplate *theTemplate;
1695
1696     switch ( n )
1697     {
1698         case 0:
1699             // no visible templates, hence nothing to choose from
1700             theTemplate = NULL;
1701             break;
1702
1703         case 1:
1704             // don't propose the user to choose if he heas no choice
1705             theTemplate = data[0];
1706             break;
1707
1708         default:
1709             // propose the user to choose one of several
1710             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1711                           (
1712                             _("Select a document template"),
1713                             _("Templates"),
1714                             strings,
1715                             (void **)data,
1716                             wxFindSuitableParent()
1717                           );
1718     }
1719
1720     delete[] data;
1721
1722     return theTemplate;
1723 }
1724
1725 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1726                                             int noTemplates, bool sort)
1727 {
1728     wxArrayString strings;
1729     wxDocTemplate **data = new wxDocTemplate *[noTemplates];
1730     int i;
1731     int n = 0;
1732
1733     for (i = 0; i < noTemplates; i++)
1734     {
1735         wxDocTemplate *templ = templates[i];
1736         if ( templ->IsVisible() && !templ->GetViewName().empty() )
1737         {
1738             int j;
1739             bool want = true;
1740             for (j = 0; j < n; j++)
1741             {
1742                 //filter out NOT unique views
1743                 if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
1744                     want = false;
1745             }
1746
1747             if ( want )
1748             {
1749                 strings.Add(templ->m_viewTypeName);
1750                 data[n] = templ;
1751                 n ++;
1752             }
1753         }
1754     }
1755
1756     if (sort)
1757     {
1758         strings.Sort(); // ascending sort
1759         // Yes, this will be slow, but template lists
1760         // are typically short.
1761         int j;
1762         n = strings.Count();
1763         for (i = 0; i < n; i++)
1764         {
1765             for (j = 0; j < noTemplates; j++)
1766             {
1767                 if (strings[i] == templates[j]->m_viewTypeName)
1768                     data[i] = templates[j];
1769             }
1770         }
1771     }
1772
1773     wxDocTemplate *theTemplate;
1774
1775     // the same logic as above
1776     switch ( n )
1777     {
1778         case 0:
1779             theTemplate = (wxDocTemplate *)NULL;
1780             break;
1781
1782         case 1:
1783             theTemplate = data[0];
1784             break;
1785
1786         default:
1787             theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
1788                           (
1789                             _("Select a document view"),
1790                             _("Views"),
1791                             strings,
1792                             (void **)data,
1793                             wxFindSuitableParent()
1794                           );
1795
1796     }
1797
1798     delete[] data;
1799     return theTemplate;
1800 }
1801
1802 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1803 {
1804     if (!m_templates.Member(temp))
1805         m_templates.Append(temp);
1806 }
1807
1808 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1809 {
1810     m_templates.DeleteObject(temp);
1811 }
1812
1813 // Add and remove a document from the manager's list
1814 void wxDocManager::AddDocument(wxDocument *doc)
1815 {
1816     if (!m_docs.Member(doc))
1817         m_docs.Append(doc);
1818 }
1819
1820 void wxDocManager::RemoveDocument(wxDocument *doc)
1821 {
1822     m_docs.DeleteObject(doc);
1823 }
1824
1825 // Views or windows should inform the document manager
1826 // when a view is going in or out of focus
1827 void wxDocManager::ActivateView(wxView *view, bool activate)
1828 {
1829     if ( activate )
1830     {
1831         m_currentView = view;
1832     }
1833     else // deactivate
1834     {
1835         if ( m_currentView == view )
1836         {
1837             // don't keep stale pointer
1838             m_currentView = (wxView *) NULL;
1839         }
1840     }
1841 }
1842
1843 // ----------------------------------------------------------------------------
1844 // Default document child frame
1845 // ----------------------------------------------------------------------------
1846
1847 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1848     EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1849     EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1850 END_EVENT_TABLE()
1851
1852 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1853                                  wxView *view,
1854                                  wxFrame *frame,
1855                                  wxWindowID id,
1856                                  const wxString& title,
1857                                  const wxPoint& pos,
1858                                  const wxSize& size,
1859                                  long style,
1860                                  const wxString& name)
1861                : wxFrame(frame, id, title, pos, size, style, name)
1862 {
1863     m_childDocument = doc;
1864     m_childView = view;
1865     if (view)
1866         view->SetFrame(this);
1867 }
1868
1869 // Extend event processing to search the view's event table
1870 bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1871 {
1872     if (m_childView)
1873         m_childView->Activate(true);
1874
1875     if ( !m_childView || ! m_childView->ProcessEvent(event) )
1876     {
1877         // Only hand up to the parent if it's a menu command
1878         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1879             return wxEvtHandler::ProcessEvent(event);
1880         else
1881             return true;
1882     }
1883     else
1884         return true;
1885 }
1886
1887 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1888 {
1889     wxFrame::OnActivate(event);
1890
1891     if (m_childView)
1892         m_childView->Activate(event.GetActive());
1893 }
1894
1895 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1896 {
1897     if (m_childView)
1898     {
1899         bool ans = event.CanVeto()
1900                     ? m_childView->Close(false) // false means don't delete associated window
1901                     : true; // Must delete.
1902
1903         if (ans)
1904         {
1905             m_childView->Activate(false);
1906             delete m_childView;
1907             m_childView = (wxView *) NULL;
1908             m_childDocument = (wxDocument *) NULL;
1909
1910             this->Destroy();
1911         }
1912         else
1913             event.Veto();
1914     }
1915     else
1916         event.Veto();
1917 }
1918
1919 // ----------------------------------------------------------------------------
1920 // Default parent frame
1921 // ----------------------------------------------------------------------------
1922
1923 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1924     EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1925     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1926     EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1927 END_EVENT_TABLE()
1928
1929 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1930                                    wxFrame *frame,
1931                                    wxWindowID id,
1932                                    const wxString& title,
1933                                    const wxPoint& pos,
1934                                    const wxSize& size,
1935                                    long style,
1936                                    const wxString& name)
1937                 : wxFrame(frame, id, title, pos, size, style, name)
1938 {
1939     m_docManager = manager;
1940 }
1941
1942 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1943 {
1944     Close();
1945 }
1946
1947 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1948 {
1949     int n = event.GetId() - wxID_FILE1;  // the index in MRU list
1950     wxString filename(m_docManager->GetHistoryFile(n));
1951     if ( !filename.empty() )
1952     {
1953         // verify that the file exists before doing anything else
1954         if ( wxFile::Exists(filename) )
1955         {
1956             // try to open it
1957             if (!m_docManager->CreateDocument(filename, wxDOC_SILENT))
1958             {
1959                 // remove the file from the MRU list. The user should already be notified.
1960                 m_docManager->RemoveFileFromHistory(n);
1961
1962                 wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."),
1963                        filename.c_str());
1964             }
1965         }
1966         else
1967         {
1968             // remove the bogus filename from the MRU list and notify the user
1969             // about it
1970             m_docManager->RemoveFileFromHistory(n);
1971
1972             wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
1973                        filename.c_str());
1974         }
1975     }
1976 }
1977
1978 // Extend event processing to search the view's event table
1979 bool wxDocParentFrame::ProcessEvent(wxEvent& event)
1980 {
1981     // Try the document manager, then do default processing
1982     if (!m_docManager || !m_docManager->ProcessEvent(event))
1983         return wxEvtHandler::ProcessEvent(event);
1984     else
1985         return true;
1986 }
1987
1988 // Define the behaviour for the frame closing
1989 // - must delete all frames except for the main one.
1990 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1991 {
1992     if (m_docManager->Clear(!event.CanVeto()))
1993     {
1994         this->Destroy();
1995     }
1996     else
1997         event.Veto();
1998 }
1999
2000 #if wxUSE_PRINTING_ARCHITECTURE
2001
2002 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
2003              : wxPrintout(title)
2004 {
2005     m_printoutView = view;
2006 }
2007
2008 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
2009 {
2010     wxDC *dc = GetDC();
2011
2012     // Get the logical pixels per inch of screen and printer
2013     int ppiScreenX, ppiScreenY;
2014     GetPPIScreen(&ppiScreenX, &ppiScreenY);
2015     wxUnusedVar(ppiScreenY);
2016     int ppiPrinterX, ppiPrinterY;
2017     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
2018     wxUnusedVar(ppiPrinterY);
2019
2020     // This scales the DC so that the printout roughly represents the
2021     // the screen scaling. The text point size _should_ be the right size
2022     // but in fact is too small for some reason. This is a detail that will
2023     // need to be addressed at some point but can be fudged for the
2024     // moment.
2025     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
2026
2027     // Now we have to check in case our real page size is reduced
2028     // (e.g. because we're drawing to a print preview memory DC)
2029     int pageWidth, pageHeight;
2030     int w, h;
2031     dc->GetSize(&w, &h);
2032     GetPageSizePixels(&pageWidth, &pageHeight);
2033     wxUnusedVar(pageHeight);
2034
2035     // If printer pageWidth == current DC width, then this doesn't
2036     // change. But w might be the preview bitmap width, so scale down.
2037     float overallScale = scale * (float)(w/(float)pageWidth);
2038     dc->SetUserScale(overallScale, overallScale);
2039
2040     if (m_printoutView)
2041     {
2042         m_printoutView->OnDraw(dc);
2043     }
2044     return true;
2045 }
2046
2047 bool wxDocPrintout::HasPage(int pageNum)
2048 {
2049     return (pageNum == 1);
2050 }
2051
2052 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
2053 {
2054     if (!wxPrintout::OnBeginDocument(startPage, endPage))
2055         return false;
2056
2057     return true;
2058 }
2059
2060 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
2061 {
2062     *minPage = 1;
2063     *maxPage = 1;
2064     *selPageFrom = 1;
2065     *selPageTo = 1;
2066 }
2067
2068 #endif // wxUSE_PRINTING_ARCHITECTURE
2069
2070 // ----------------------------------------------------------------------------
2071 // File history processor
2072 // ----------------------------------------------------------------------------
2073
2074 static inline wxChar* MYcopystring(const wxString& s)
2075 {
2076     wxChar* copy = new wxChar[s.length() + 1];
2077     return wxStrcpy(copy, s.c_str());
2078 }
2079
2080 static inline wxChar* MYcopystring(const wxChar* s)
2081 {
2082     wxChar* copy = new wxChar[wxStrlen(s) + 1];
2083     return wxStrcpy(copy, s);
2084 }
2085
2086 wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
2087 {
2088     m_fileMaxFiles = maxFiles;
2089     m_idBase = idBase;
2090     m_fileHistoryN = 0;
2091     m_fileHistory = new wxChar *[m_fileMaxFiles];
2092 }
2093
2094 wxFileHistory::~wxFileHistory()
2095 {
2096     size_t i;
2097     for (i = 0; i < m_fileHistoryN; i++)
2098         delete[] m_fileHistory[i];
2099     delete[] m_fileHistory;
2100 }
2101
2102 // File history management
2103 void wxFileHistory::AddFileToHistory(const wxString& file)
2104 {
2105     size_t i;
2106
2107     // Check we don't already have this file
2108     for (i = 0; i < m_fileHistoryN; i++)
2109     {
2110 #if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names
2111         wxString testString;
2112         if ( m_fileHistory[i] )
2113             testString = m_fileHistory[i];
2114         if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) )
2115 #else
2116         if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) )
2117 #endif
2118         {
2119             // we do have it, move it to the top of the history
2120             RemoveFileFromHistory (i);
2121             AddFileToHistory (file);
2122             return;
2123         }
2124     }
2125
2126     // if we already have a full history, delete the one at the end
2127     if ( m_fileMaxFiles == m_fileHistoryN )
2128     {
2129         RemoveFileFromHistory (m_fileHistoryN - 1);
2130         AddFileToHistory (file);
2131         return;
2132     }
2133
2134     // Add to the project file history:
2135     // Move existing files (if any) down so we can insert file at beginning.
2136     if (m_fileHistoryN < m_fileMaxFiles)
2137     {
2138         wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2139         while (node)
2140         {
2141             wxMenu* menu = (wxMenu*) node->GetData();
2142             if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() )
2143             {
2144                 menu->AppendSeparator();
2145             }
2146             menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]"));
2147             node = node->GetNext();
2148         }
2149         m_fileHistoryN ++;
2150     }
2151     // Shuffle filenames down
2152     for (i = (m_fileHistoryN-1); i > 0; i--)
2153     {
2154         m_fileHistory[i] = m_fileHistory[i-1];
2155     }
2156     m_fileHistory[0] = MYcopystring(file);
2157
2158     // this is the directory of the last opened file
2159     wxString pathCurrent;
2160     wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
2161     for (i = 0; i < m_fileHistoryN; i++)
2162     {
2163         if ( m_fileHistory[i] )
2164         {
2165             // if in same directory just show the filename; otherwise the full
2166             // path
2167             wxString pathInMenu, path, filename, ext;
2168             wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
2169             if ( path == pathCurrent )
2170             {
2171                 pathInMenu = filename;
2172                 if ( !ext.empty() )
2173                     pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
2174             }
2175             else
2176             {
2177                 // absolute path; could also set relative path
2178                 pathInMenu = m_fileHistory[i];
2179             }
2180
2181             wxString buf;
2182             buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
2183             wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2184             while (node)
2185             {
2186                 wxMenu* menu = (wxMenu*) node->GetData();
2187                 menu->SetLabel(m_idBase + i, buf);
2188                 node = node->GetNext();
2189             }
2190         }
2191     }
2192 }
2193
2194 void wxFileHistory::RemoveFileFromHistory(size_t i)
2195 {
2196     wxCHECK_RET( i < m_fileHistoryN,
2197                  wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2198
2199     // delete the element from the array (could use memmove() too...)
2200     delete [] m_fileHistory[i];
2201
2202     size_t j;
2203     for ( j = i; j < m_fileHistoryN - 1; j++ )
2204     {
2205         m_fileHistory[j] = m_fileHistory[j + 1];
2206     }
2207
2208     wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2209     while ( node )
2210     {
2211          wxMenu* menu = (wxMenu*) node->GetData();
2212
2213          // shuffle filenames up
2214          wxString buf;
2215          for ( j = i; j < m_fileHistoryN - 1; j++ )
2216          {
2217              buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2218              menu->SetLabel(m_idBase + j, buf);
2219          }
2220
2221          node = node->GetNext();
2222
2223         // delete the last menu item which is unused now
2224         wxWindowID lastItemId = m_idBase + m_fileHistoryN - 1;
2225         if (menu->FindItem(lastItemId))
2226         {
2227             menu->Delete(lastItemId);
2228         }
2229
2230         // delete the last separator too if no more files are left
2231         if ( m_fileHistoryN == 1 )
2232         {
2233             wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast();
2234             if ( node )
2235             {
2236                 wxMenuItem *menuItem = node->GetData();
2237                 if ( menuItem->IsSeparator() )
2238                 {
2239                     menu->Delete(menuItem);
2240                 }
2241                 //else: should we search backwards for the last separator?
2242             }
2243             //else: menu is empty somehow
2244         }
2245     }
2246
2247     m_fileHistoryN--;
2248 }
2249
2250 wxString wxFileHistory::GetHistoryFile(size_t i) const
2251 {
2252     wxString s;
2253     if ( i < m_fileHistoryN )
2254     {
2255         s = m_fileHistory[i];
2256     }
2257     else
2258     {
2259         wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2260     }
2261
2262     return s;
2263 }
2264
2265 void wxFileHistory::UseMenu(wxMenu *menu)
2266 {
2267     if (!m_fileMenus.Member(menu))
2268         m_fileMenus.Append(menu);
2269 }
2270
2271 void wxFileHistory::RemoveMenu(wxMenu *menu)
2272 {
2273     m_fileMenus.DeleteObject(menu);
2274 }
2275
2276 #if wxUSE_CONFIG
2277 void wxFileHistory::Load(wxConfigBase& config)
2278 {
2279     m_fileHistoryN = 0;
2280     wxString buf;
2281     buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2282     wxString historyFile;
2283     while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (!historyFile.empty()))
2284     {
2285         m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile);
2286         m_fileHistoryN ++;
2287         buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
2288         historyFile = wxEmptyString;
2289     }
2290     AddFilesToMenu();
2291 }
2292
2293 void wxFileHistory::Save(wxConfigBase& config)
2294 {
2295     size_t i;
2296     for (i = 0; i < m_fileMaxFiles; i++)
2297     {
2298         wxString buf;
2299         buf.Printf(wxT("file%d"), (int)i+1);
2300         if (i < m_fileHistoryN)
2301             config.Write(buf, wxString(m_fileHistory[i]));
2302         else
2303             config.Write(buf, wxEmptyString);
2304     }
2305 }
2306 #endif // wxUSE_CONFIG
2307
2308 void wxFileHistory::AddFilesToMenu()
2309 {
2310     if (m_fileHistoryN > 0)
2311     {
2312         wxList::compatibility_iterator node = m_fileMenus.GetFirst();
2313         while (node)
2314         {
2315             wxMenu* menu = (wxMenu*) node->GetData();
2316             if (menu->GetMenuItemCount())
2317             {
2318                 menu->AppendSeparator();
2319             }
2320
2321             size_t i;
2322             for (i = 0; i < m_fileHistoryN; i++)
2323             {
2324                 if (m_fileHistory[i])
2325                 {
2326                     wxString buf;
2327                     buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2328                     menu->Append(m_idBase+i, buf);
2329                 }
2330             }
2331             node = node->GetNext();
2332         }
2333     }
2334 }
2335
2336 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2337 {
2338     if (m_fileHistoryN > 0)
2339     {
2340         if (menu->GetMenuItemCount())
2341         {
2342             menu->AppendSeparator();
2343         }
2344
2345         size_t i;
2346         for (i = 0; i < m_fileHistoryN; i++)
2347         {
2348             if (m_fileHistory[i])
2349             {
2350                 wxString buf;
2351                 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2352                 menu->Append(m_idBase+i, buf);
2353             }
2354         }
2355     }
2356 }
2357
2358 // ----------------------------------------------------------------------------
2359 // Permits compatibility with existing file formats and functions that
2360 // manipulate files directly
2361 // ----------------------------------------------------------------------------
2362
2363 #if wxUSE_STD_IOSTREAM
2364
2365 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
2366 {
2367     wxFFile file(filename, _T("rb"));
2368     if ( !file.IsOpened() )
2369         return false;
2370
2371     char buf[4096];
2372
2373     size_t nRead;
2374     do
2375     {
2376         nRead = file.Read(buf, WXSIZEOF(buf));
2377         if ( file.Error() )
2378             return false;
2379
2380         stream.write(buf, nRead);
2381         if ( !stream )
2382             return false;
2383     }
2384     while ( !file.Eof() );
2385
2386     return true;
2387 }
2388
2389 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
2390 {
2391     wxFFile file(filename, _T("wb"));
2392     if ( !file.IsOpened() )
2393         return false;
2394
2395     char buf[4096];
2396     do
2397     {
2398         stream.read(buf, WXSIZEOF(buf));
2399         if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
2400         {
2401             if ( !file.Write(buf, stream.gcount()) )
2402                 return false;
2403         }
2404     }
2405     while ( !stream.eof() );
2406
2407     return true;
2408 }
2409
2410 #else // !wxUSE_STD_IOSTREAM
2411
2412 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2413 {
2414     wxFFile file(filename, _T("rb"));
2415     if ( !file.IsOpened() )
2416         return false;
2417
2418     char buf[4096];
2419
2420     size_t nRead;
2421     do
2422     {
2423         nRead = file.Read(buf, WXSIZEOF(buf));
2424         if ( file.Error() )
2425             return false;
2426
2427         stream.Write(buf, nRead);
2428         if ( !stream )
2429             return false;
2430     }
2431     while ( !file.Eof() );
2432
2433     return true;
2434 }
2435
2436 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2437 {
2438     wxFFile file(filename, _T("wb"));
2439     if ( !file.IsOpened() )
2440         return false;
2441
2442     char buf[4096];
2443     do
2444     {
2445         stream.Read(buf, WXSIZEOF(buf));
2446
2447         const size_t nRead = stream.LastRead();
2448         if ( !nRead || !file.Write(buf, nRead) )
2449             return false;
2450     }
2451     while ( !stream.Eof() );
2452
2453     return true;
2454 }
2455
2456 #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
2457
2458 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
2459