src/common/docview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 and Markus Holzem
   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 #endif
  44
  45
  46 #ifdef __WXGTK__
  47     #include "wx/mdi.h"
  48 #endif
  49
  50 #if wxUSE_PRINTING_ARCHITECTURE
  51   #include "wx/prntbase.h"
  52   #include "wx/printdlg.h"
  53 #endif
  54
  55 #include "wx/msgdlg.h"
  56 #include "wx/choicdlg.h"
  57 #include "wx/docview.h"
  58 #include "wx/confbase.h"
  59 #include "wx/file.h"
  60
  61 #include <stdio.h>
  62 #include <string.h>
  63
  64 #if wxUSE_STD_IOSTREAM
  65   #include "wx/ioswrap.h"
  66   #if wxUSE_IOSTREAMH
  67     #include <fstream.h>
  68   #else
  69     #include <fstream>
  70   #endif
  71 #else
  72   #include "wx/wfstream.h"
  73 #endif
  74
  75 // ----------------------------------------------------------------------------
  76 // wxWindows macros
  77 // ----------------------------------------------------------------------------
  78
  79     IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
  80     IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
  81     IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
  82     IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
  83     IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
  84     IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
  85
  86     #if wxUSE_PRINTING_ARCHITECTURE
  87         IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
  88     #endif
  89
  90     IMPLEMENT_CLASS(wxCommand, wxObject)
  91     IMPLEMENT_DYNAMIC_CLASS(wxCommandProcessor, wxObject)
  92     IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
  93
  94 // ----------------------------------------------------------------------------
  95 // function prototypes
  96 // ----------------------------------------------------------------------------
  97
  98 static inline wxString FindExtension(const wxChar *path);
  99
 100 // ----------------------------------------------------------------------------
 101 // local constants
 102 // ----------------------------------------------------------------------------
 103
 104 static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
 105
 106 // ============================================================================
 107 // implementation
 108 // ============================================================================
 109
 110 // ----------------------------------------------------------------------------
 111 // local functions
 112 // ----------------------------------------------------------------------------
 113
 114 static wxString FindExtension(const wxChar *path)
 115 {
 116     wxString ext;
 117     wxSplitPath(path, NULL, NULL, &ext);
 118
 119     // VZ: extensions are considered not case sensitive - is this really a good
 120     //     idea?
 121     return ext.MakeLower();
 122 }
 123
 124 // ----------------------------------------------------------------------------
 125 // Definition of wxDocument
 126 // ----------------------------------------------------------------------------
 127
 128 wxDocument::wxDocument(wxDocument *parent)
 129 {
 130     m_documentModified = FALSE;
 131     m_documentParent = parent;
 132     m_documentTemplate = (wxDocTemplate *) NULL;
 133     m_commandProcessor = (wxCommandProcessor*) NULL;
 134     m_savedYet = FALSE;
 135 }
 136
 137 bool wxDocument::DeleteContents()
 138 {
 139     return TRUE;
 140 }
 141
 142 wxDocument::~wxDocument()
 143 {
 144     DeleteContents();
 145
 146     if (m_commandProcessor)
 147         delete m_commandProcessor;
 148
 149     if (GetDocumentManager())
 150         GetDocumentManager()->RemoveDocument(this);
 151
 152     // Not safe to do here, since it'll invoke virtual view functions
 153     // expecting to see valid derived objects: and by the time we get here,
 154     // we've called destructors higher up.
 155     //DeleteAllViews();
 156 }
 157
 158 bool wxDocument::Close()
 159 {
 160     if (OnSaveModified())
 161         return OnCloseDocument();
 162     else
 163         return FALSE;
 164 }
 165
 166 bool wxDocument::OnCloseDocument()
 167 {
 168     DeleteContents();
 169     Modify(FALSE);
 170     return TRUE;
 171 }
 172
 173 // Note that this implicitly deletes the document when the last view is
 174 // deleted.
 175 bool wxDocument::DeleteAllViews()
 176 {
 177     wxDocManager* manager = GetDocumentManager();
 178
 179     wxNode *node = m_documentViews.First();
 180     while (node)
 181     {
 182         wxView *view = (wxView *)node->Data();
 183         if (!view->Close())
 184             return FALSE;
 185
 186         wxNode *next = node->Next();
 187
 188         delete view; // Deletes node implicitly
 189         node = next;
 190     }
 191     // If we haven't yet deleted the document (for example
 192     // if there were no views) then delete it.
 193     if (manager && manager->GetDocuments().Member(this))
 194         delete this;
 195
 196     return TRUE;
 197 }
 198
 199 wxView *wxDocument::GetFirstView() const
 200 {
 201     if (m_documentViews.Number() == 0)
 202         return (wxView *) NULL;
 203     return (wxView *)m_documentViews.First()->Data();
 204 }
 205
 206 wxDocManager *wxDocument::GetDocumentManager() const
 207 {
 208     return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
 209 }
 210
 211 bool wxDocument::OnNewDocument()
 212 {
 213     if (!OnSaveModified())
 214         return FALSE;
 215
 216     if (OnCloseDocument()==FALSE) return FALSE;
 217     DeleteContents();
 218     Modify(FALSE);
 219     SetDocumentSaved(FALSE);
 220
 221     wxString name;
 222     GetDocumentManager()->MakeDefaultName(name);
 223     SetTitle(name);
 224     SetFilename(name, TRUE);
 225
 226     return TRUE;
 227 }
 228
 229 bool wxDocument::Save()
 230 {
 231     bool ret = FALSE;
 232
 233     if (!IsModified()) return TRUE;
 234     if (m_documentFile == wxT("") || !m_savedYet)
 235         ret = SaveAs();
 236     else
 237         ret = OnSaveDocument(m_documentFile);
 238     if ( ret )
 239         SetDocumentSaved(TRUE);
 240     return ret;
 241 }
 242
 243 bool wxDocument::SaveAs()
 244 {
 245     wxDocTemplate *docTemplate = GetDocumentTemplate();
 246     if (!docTemplate)
 247         return FALSE;
 248
 249     wxString tmp = wxFileSelector(_("Save as"),
 250             docTemplate->GetDirectory(),
 251             GetFilename(),
 252             docTemplate->GetDefaultExtension(),
 253             docTemplate->GetFileFilter(),
 254             wxSAVE | wxOVERWRITE_PROMPT,
 255             GetDocumentWindow());
 256
 257     if (tmp.IsEmpty())
 258         return FALSE;
 259
 260     wxString fileName(tmp);
 261     wxString path, name, ext;
 262     wxSplitPath(fileName, & path, & name, & ext);
 263
 264     if (ext.IsEmpty() || ext == wxT(""))
 265     {
 266         fileName += ".";
 267         fileName += docTemplate->GetDefaultExtension();
 268     }
 269
 270     SetFilename(fileName);
 271     SetTitle(wxFileNameFromPath(fileName));
 272
 273     GetDocumentManager()->AddFileToHistory(fileName);
 274
 275     // Notify the views that the filename has changed
 276     wxNode *node = m_documentViews.First();
 277     while (node)
 278     {
 279         wxView *view = (wxView *)node->Data();
 280         view->OnChangeFilename();
 281         node = node->Next();
 282     }
 283
 284     return OnSaveDocument(m_documentFile);
 285 }
 286
 287 bool wxDocument::OnSaveDocument(const wxString& file)
 288 {
 289     if ( !file )
 290         return FALSE;
 291
 292     wxString msgTitle;
 293     if (wxTheApp->GetAppName() != wxT(""))
 294         msgTitle = wxTheApp->GetAppName();
 295     else
 296         msgTitle = wxString(_("File error"));
 297
 298 #if wxUSE_STD_IOSTREAM
 299     ofstream store(wxString(file.fn_str()).mb_str());
 300     if (store.fail() || store.bad())
 301 #else
 302     wxFileOutputStream store(wxString(file.fn_str()));
 303     if (store.LastError() != wxSTREAM_NOERROR)
 304 #endif
 305     {
 306         (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
 307                            GetDocumentWindow());
 308         // Saving error
 309         return FALSE;
 310     }
 311     if (!SaveObject(store))
 312     {
 313         (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
 314                            GetDocumentWindow());
 315         // Saving error
 316         return FALSE;
 317     }
 318     Modify(FALSE);
 319     SetFilename(file);
 320     return TRUE;
 321 }
 322
 323 bool wxDocument::OnOpenDocument(const wxString& file)
 324 {
 325     if (!OnSaveModified())
 326         return FALSE;
 327
 328     wxString msgTitle;
 329     if (wxTheApp->GetAppName() != wxT(""))
 330         msgTitle = wxTheApp->GetAppName();
 331     else
 332         msgTitle = wxString(_("File error"));
 333
 334 #if wxUSE_STD_IOSTREAM
 335     ifstream store(wxString(file.fn_str()).mb_str());
 336     if (store.fail() || store.bad())
 337 #else
 338     wxFileInputStream store(wxString(file.fn_str()));
 339     if (store.LastError() != wxSTREAM_NOERROR)
 340 #endif
 341     {
 342         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 343                            GetDocumentWindow());
 344         return FALSE;
 345     }
 346 #if wxUSE_STD_IOSTREAM
 347     if (!LoadObject(store))
 348 #else
 349     int res = LoadObject(store).LastError();
 350     if ((res != wxSTREAM_NOERROR) &&
 351         (res != wxSTREAM_EOF))
 352 #endif
 353     {
 354         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
 355                            GetDocumentWindow());
 356         return FALSE;
 357     }
 358     SetFilename(file, TRUE);
 359     Modify(FALSE);
 360     m_savedYet = TRUE;
 361
 362     UpdateAllViews();
 363
 364     return TRUE;
 365 }
 366
 367 #if wxUSE_STD_IOSTREAM
 368 istream& wxDocument::LoadObject(istream& stream)
 369 #else
 370 wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
 371 #endif
 372 {
 373     return stream;
 374 }
 375
 376 #if wxUSE_STD_IOSTREAM
 377 ostream& wxDocument::SaveObject(ostream& stream)
 378 #else
 379 wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
 380 #endif
 381 {
 382     return stream;
 383 }
 384
 385 bool wxDocument::Revert()
 386 {
 387     return FALSE;
 388 }
 389
 390
 391 // Get title, or filename if no title, else unnamed
 392 bool wxDocument::GetPrintableName(wxString& buf) const
 393 {
 394     if (m_documentTitle != wxT(""))
 395     {
 396         buf = m_documentTitle;
 397         return TRUE;
 398     }
 399     else if (m_documentFile != wxT(""))
 400     {
 401         buf = wxFileNameFromPath(m_documentFile);
 402         return TRUE;
 403     }
 404     else
 405     {
 406         buf = _("unnamed");
 407         return TRUE;
 408     }
 409 }
 410
 411 wxWindow *wxDocument::GetDocumentWindow() const
 412 {
 413     wxView *view = GetFirstView();
 414     if (view)
 415         return view->GetFrame();
 416     else
 417         return wxTheApp->GetTopWindow();
 418 }
 419
 420 wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
 421 {
 422     return new wxCommandProcessor;
 423 }
 424
 425 // TRUE if safe to close
 426 bool wxDocument::OnSaveModified()
 427 {
 428     if (IsModified())
 429     {
 430         wxString title;
 431         GetPrintableName(title);
 432
 433         wxString msgTitle;
 434         if (wxTheApp->GetAppName() != wxT(""))
 435             msgTitle = wxTheApp->GetAppName();
 436         else
 437             msgTitle = wxString(_("Warning"));
 438
 439         wxString prompt;
 440         prompt.Printf(_("Do you want to save changes to document %s?"),
 441                 (const wxChar *)title);
 442         int res = wxMessageBox(prompt, msgTitle,
 443                 wxYES_NO|wxCANCEL|wxICON_QUESTION,
 444                 GetDocumentWindow());
 445         if (res == wxNO)
 446         {
 447             Modify(FALSE);
 448             return TRUE;
 449         }
 450         else if (res == wxYES)
 451             return Save();
 452         else if (res == wxCANCEL)
 453             return FALSE;
 454     }
 455     return TRUE;
 456 }
 457
 458 bool wxDocument::Draw(wxDC& WXUNUSED(context))
 459 {
 460     return TRUE;
 461 }
 462
 463 bool wxDocument::AddView(wxView *view)
 464 {
 465     if (!m_documentViews.Member(view))
 466     {
 467         m_documentViews.Append(view);
 468         OnChangedViewList();
 469     }
 470     return TRUE;
 471 }
 472
 473 bool wxDocument::RemoveView(wxView *view)
 474 {
 475     (void)m_documentViews.DeleteObject(view);
 476     OnChangedViewList();
 477     return TRUE;
 478 }
 479
 480 bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
 481 {
 482     if (GetDocumentTemplate()->CreateView(this, flags))
 483         return TRUE;
 484     else
 485         return FALSE;
 486 }
 487
 488 // Called after a view is added or removed.
 489 // The default implementation deletes the document if
 490 // there are no more views.
 491 void wxDocument::OnChangedViewList()
 492 {
 493     if (m_documentViews.Number() == 0)
 494     {
 495         if (OnSaveModified())
 496         {
 497             delete this;
 498         }
 499     }
 500 }
 501
 502 void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
 503 {
 504     wxNode *node = m_documentViews.First();
 505     while (node)
 506     {
 507         wxView *view = (wxView *)node->Data();
 508         view->OnUpdate(sender, hint);
 509         node = node->Next();
 510     }
 511 }
 512
 513 void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
 514 {
 515     m_documentFile = filename;
 516     if ( notifyViews )
 517     {
 518         // Notify the views that the filename has changed
 519         wxNode *node = m_documentViews.First();
 520         while (node)
 521         {
 522             wxView *view = (wxView *)node->Data();
 523             view->OnChangeFilename();
 524             node = node->Next();
 525         }
 526     }
 527 }
 528
 529 // ----------------------------------------------------------------------------
 530 // Document view
 531 // ----------------------------------------------------------------------------
 532
 533 wxView::wxView()
 534 {
 535     //  SetDocument(doc);
 536     m_viewDocument = (wxDocument*) NULL;
 537
 538     m_viewTypeName = wxT("");
 539     m_viewFrame = (wxFrame *) NULL;
 540 }
 541
 542 wxView::~wxView()
 543 {
 544 //    GetDocumentManager()->ActivateView(this, FALSE, TRUE);
 545     m_viewDocument->RemoveView(this);
 546 }
 547
 548 // Extend event processing to search the document's event table
 549 bool wxView::ProcessEvent(wxEvent& event)
 550 {
 551     if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
 552         return wxEvtHandler::ProcessEvent(event);
 553     else
 554         return TRUE;
 555 }
 556
 557 void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
 558 {
 559 }
 560
 561 void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
 562 {
 563     OnDraw(dc);
 564 }
 565
 566 void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
 567 {
 568 }
 569
 570 void wxView::OnChangeFilename()
 571 {
 572     if (GetFrame() && GetDocument())
 573     {
 574         wxString title;
 575
 576         GetDocument()->GetPrintableName(title);
 577
 578         GetFrame()->SetTitle(title);
 579     }
 580 }
 581
 582 void wxView::SetDocument(wxDocument *doc)
 583 {
 584     m_viewDocument = doc;
 585     if (doc)
 586         doc->AddView(this);
 587 }
 588
 589 bool wxView::Close(bool deleteWindow)
 590 {
 591     if (OnClose(deleteWindow))
 592         return TRUE;
 593     else
 594         return FALSE;
 595 }
 596
 597 void wxView::Activate(bool activate)
 598 {
 599     if (GetDocumentManager())
 600     {
 601         OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
 602         GetDocumentManager()->ActivateView(this, activate);
 603     }
 604 }
 605
 606 bool wxView::OnClose(bool WXUNUSED(deleteWindow))
 607 {
 608     return GetDocument() ? GetDocument()->Close() : TRUE;
 609 }
 610
 611 #if wxUSE_PRINTING_ARCHITECTURE
 612 wxPrintout *wxView::OnCreatePrintout()
 613 {
 614     return new wxDocPrintout(this);
 615 }
 616 #endif // wxUSE_PRINTING_ARCHITECTURE
 617
 618 // ----------------------------------------------------------------------------
 619 // wxDocTemplate
 620 // ----------------------------------------------------------------------------
 621
 622 wxDocTemplate::wxDocTemplate(wxDocManager *manager,
 623                              const wxString& descr,
 624                              const wxString& filter,
 625                              const wxString& dir,
 626                              const wxString& ext,
 627                              const wxString& docTypeName,
 628                              const wxString& viewTypeName,
 629                              wxClassInfo *docClassInfo,
 630                              wxClassInfo *viewClassInfo,
 631                              long flags)
 632 {
 633     m_documentManager = manager;
 634     m_description = descr;
 635     m_directory = dir;
 636     m_defaultExt = ext;
 637     m_fileFilter = filter;
 638     m_flags = flags;
 639     m_docTypeName = docTypeName;
 640     m_viewTypeName = viewTypeName;
 641     m_documentManager->AssociateTemplate(this);
 642
 643     m_docClassInfo = docClassInfo;
 644     m_viewClassInfo = viewClassInfo;
 645 }
 646
 647 wxDocTemplate::~wxDocTemplate()
 648 {
 649     m_documentManager->DisassociateTemplate(this);
 650 }
 651
 652 // Tries to dynamically construct an object of the right class.
 653 wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
 654 {
 655     if (!m_docClassInfo)
 656         return (wxDocument *) NULL;
 657     wxDocument *doc = (wxDocument *)m_docClassInfo->CreateObject();
 658     doc->SetFilename(path);
 659     doc->SetDocumentTemplate(this);
 660     GetDocumentManager()->AddDocument(doc);
 661     doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
 662
 663     if (doc->OnCreate(path, flags))
 664         return doc;
 665     else
 666     {
 667         if (GetDocumentManager()->GetDocuments().Member(doc))
 668             doc->DeleteAllViews();
 669         return (wxDocument *) NULL;
 670     }
 671 }
 672
 673 wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
 674 {
 675     if (!m_viewClassInfo)
 676         return (wxView *) NULL;
 677     wxView *view = (wxView *)m_viewClassInfo->CreateObject();
 678     view->SetDocument(doc);
 679     if (view->OnCreate(doc, flags))
 680     {
 681         return view;
 682     }
 683     else
 684     {
 685         delete view;
 686         return (wxView *) NULL;
 687     }
 688 }
 689
 690 // The default (very primitive) format detection: check is the extension is
 691 // that of the template
 692 bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
 693 {
 694     return GetDefaultExtension().IsSameAs(FindExtension(path));
 695 }
 696
 697 // ----------------------------------------------------------------------------
 698 // wxDocManager
 699 // ----------------------------------------------------------------------------
 700
 701 BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
 702     EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
 703     EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
 704     EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
 705     EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
 706     EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
 707     EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
 708     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
 709     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
 710
 711     EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
 712     EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
 713     EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
 714     EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
 715     EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
 716     EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
 717     EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
 718     EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
 719
 720 #if wxUSE_PRINTING_ARCHITECTURE
 721     EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
 722     EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPrintSetup)
 723     EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
 724
 725     EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
 726     EVT_UPDATE_UI(wxID_PRINT_SETUP, wxDocManager::OnUpdatePrintSetup)
 727     EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
 728 #endif
 729 END_EVENT_TABLE()
 730
 731 wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
 732
 733 wxDocManager::wxDocManager(long flags, bool initialize)
 734 {
 735     m_defaultDocumentNameCounter = 1;
 736     m_flags = flags;
 737     m_currentView = (wxView *) NULL;
 738     m_maxDocsOpen = 10000;
 739     m_fileHistory = (wxFileHistory *) NULL;
 740     if (initialize)
 741         Initialize();
 742     sm_docManager = this;
 743 }
 744
 745 wxDocManager::~wxDocManager()
 746 {
 747     Clear();
 748     if (m_fileHistory)
 749         delete m_fileHistory;
 750     sm_docManager = (wxDocManager*) NULL;
 751 }
 752
 753 bool wxDocManager::Clear(bool force)
 754 {
 755     wxNode *node = m_docs.First();
 756     while (node)
 757     {
 758         wxDocument *doc = (wxDocument *)node->Data();
 759         wxNode *next = node->Next();
 760
 761         if (!doc->Close() && !force)
 762             return FALSE;
 763
 764         // Implicitly deletes the document when the last
 765         // view is removed (deleted)
 766         doc->DeleteAllViews();
 767
 768         // Check document is deleted
 769         if (m_docs.Member(doc))
 770             delete doc;
 771
 772         // This assumes that documents are not connected in
 773         // any way, i.e. deleting one document does NOT
 774         // delete another.
 775         node = next;
 776     }
 777     node = m_templates.First();
 778     while (node)
 779     {
 780         wxDocTemplate *templ = (wxDocTemplate*) node->Data();
 781         wxNode* next = node->Next();
 782         delete templ;
 783         node = next;
 784     }
 785     return TRUE;
 786 }
 787
 788 bool wxDocManager::Initialize()
 789 {
 790     m_fileHistory = OnCreateFileHistory();
 791     return TRUE;
 792 }
 793
 794 wxFileHistory *wxDocManager::OnCreateFileHistory()
 795 {
 796     return new wxFileHistory;
 797 }
 798
 799 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
 800 {
 801     wxDocument *doc = GetCurrentDocument();
 802     if (!doc)
 803         return;
 804     if (doc->Close())
 805     {
 806         doc->DeleteAllViews();
 807         if (m_docs.Member(doc))
 808             delete doc;
 809     }
 810 }
 811
 812 void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
 813 {
 814     CreateDocument(wxString(""), wxDOC_NEW);
 815 }
 816
 817 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
 818 {
 819     if ( !CreateDocument(wxString(""), 0) )
 820     {
 821         OnOpenFileFailure();
 822     }
 823 }
 824
 825 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
 826 {
 827     wxDocument *doc = GetCurrentDocument();
 828     if (!doc)
 829         return;
 830     doc->Revert();
 831 }
 832
 833 void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
 834 {
 835     wxDocument *doc = GetCurrentDocument();
 836     if (!doc)
 837         return;
 838     doc->Save();
 839 }
 840
 841 void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
 842 {
 843     wxDocument *doc = GetCurrentDocument();
 844     if (!doc)
 845         return;
 846     doc->SaveAs();
 847 }
 848
 849 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
 850 {
 851 #if wxUSE_PRINTING_ARCHITECTURE
 852     wxView *view = GetCurrentView();
 853     if (!view)
 854         return;
 855
 856     wxPrintout *printout = view->OnCreatePrintout();
 857     if (printout)
 858     {
 859         wxPrinter printer;
 860         printer.Print(view->GetFrame(), printout, TRUE);
 861
 862         delete printout;
 863     }
 864 #endif // wxUSE_PRINTING_ARCHITECTURE
 865 }
 866
 867 void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
 868 {
 869 #if wxUSE_PRINTING_ARCHITECTURE
 870     wxWindow *parentWin = wxTheApp->GetTopWindow();
 871     wxView *view = GetCurrentView();
 872     if (view)
 873         parentWin = view->GetFrame();
 874
 875     wxPrintDialogData data;
 876
 877     wxPrintDialog printerDialog(parentWin, &data);
 878     printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
 879     printerDialog.ShowModal();
 880 #endif // wxUSE_PRINTING_ARCHITECTURE
 881 }
 882
 883 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
 884 {
 885 #if wxUSE_PRINTING_ARCHITECTURE
 886     wxView *view = GetCurrentView();
 887     if (!view)
 888         return;
 889
 890     wxPrintout *printout = view->OnCreatePrintout();
 891     if (printout)
 892     {
 893         // Pass two printout objects: for preview, and possible printing.
 894         wxPrintPreviewBase *preview = (wxPrintPreviewBase *) NULL;
 895         preview = new wxPrintPreview(printout, view->OnCreatePrintout());
 896
 897         wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
 898                 wxPoint(100, 100), wxSize(600, 650));
 899         frame->Centre(wxBOTH);
 900         frame->Initialize();
 901         frame->Show(TRUE);
 902     }
 903 #endif // wxUSE_PRINTING_ARCHITECTURE
 904 }
 905
 906 void wxDocManager::OnUndo(wxCommandEvent& WXUNUSED(event))
 907 {
 908     wxDocument *doc = GetCurrentDocument();
 909     if (!doc)
 910         return;
 911     if (doc->GetCommandProcessor())
 912         doc->GetCommandProcessor()->Undo();
 913 }
 914
 915 void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event))
 916 {
 917     wxDocument *doc = GetCurrentDocument();
 918     if (!doc)
 919         return;
 920     if (doc->GetCommandProcessor())
 921         doc->GetCommandProcessor()->Redo();
 922 }
 923
 924 // Handlers for UI update commands
 925
 926 void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
 927 {
 928     event.Enable( TRUE );
 929 }
 930
 931 void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
 932 {
 933     wxDocument *doc = GetCurrentDocument();
 934     event.Enable( (doc != (wxDocument*) NULL) );
 935 }
 936
 937 void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
 938 {
 939     wxDocument *doc = GetCurrentDocument();
 940     event.Enable( (doc != (wxDocument*) NULL) );
 941 }
 942
 943 void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
 944 {
 945     event.Enable( TRUE );
 946 }
 947
 948 void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
 949 {
 950     wxDocument *doc = GetCurrentDocument();
 951     event.Enable( (doc != (wxDocument*) NULL) );
 952 }
 953
 954 void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
 955 {
 956     wxDocument *doc = GetCurrentDocument();
 957     event.Enable( (doc != (wxDocument*) NULL) );
 958 }
 959
 960 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
 961 {
 962     wxDocument *doc = GetCurrentDocument();
 963     event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanUndo()) );
 964 }
 965
 966 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
 967 {
 968     wxDocument *doc = GetCurrentDocument();
 969     event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanRedo()) );
 970 }
 971
 972 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
 973 {
 974     wxDocument *doc = GetCurrentDocument();
 975     event.Enable( (doc != (wxDocument*) NULL) );
 976 }
 977
 978 void wxDocManager::OnUpdatePrintSetup(wxUpdateUIEvent& event)
 979 {
 980     event.Enable( TRUE );
 981 }
 982
 983 void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
 984 {
 985     wxDocument *doc = GetCurrentDocument();
 986     event.Enable( (doc != (wxDocument*) NULL) );
 987 }
 988
 989 wxView *wxDocManager::GetCurrentView() const
 990 {
 991     if (m_currentView)
 992         return m_currentView;
 993     if (m_docs.Number() == 1)
 994     {
 995         wxDocument* doc = (wxDocument*) m_docs.First()->Data();
 996         return doc->GetFirstView();
 997     }
 998     return (wxView *) NULL;
 999 }
1000
1001 // Extend event processing to search the view's event table
1002 bool wxDocManager::ProcessEvent(wxEvent& event)
1003 {
1004     wxView* view = GetCurrentView();
1005     if (view)
1006     {
1007         if (view->ProcessEvent(event))
1008             return TRUE;
1009     }
1010     return wxEvtHandler::ProcessEvent(event);
1011 }
1012
1013 wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
1014 {
1015     wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()];
1016     int i;
1017     int n = 0;
1018     for (i = 0; i < m_templates.Number(); i++)
1019     {
1020         wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data());
1021         if (temp->IsVisible())
1022         {
1023             templates[n] = temp;
1024             n ++;
1025         }
1026     }
1027     if (n == 0)
1028     {
1029         delete[] templates;
1030         return (wxDocument *) NULL;
1031     }
1032
1033     // If we've reached the max number of docs, close the
1034     // first one.
1035     if (GetDocuments().Number() >= m_maxDocsOpen)
1036     {
1037         wxDocument *doc = (wxDocument *)GetDocuments().First()->Data();
1038         if (doc->Close())
1039         {
1040             // Implicitly deletes the document when
1041             // the last view is deleted
1042             doc->DeleteAllViews();
1043
1044             // Check we're really deleted
1045             if (m_docs.Member(doc))
1046                 delete doc;
1047         }
1048         else
1049             return (wxDocument *) NULL;
1050     }
1051
1052     // New document: user chooses a template, unless there's only one.
1053     if (flags & wxDOC_NEW)
1054     {
1055         if (n == 1)
1056         {
1057             wxDocTemplate *temp = templates[0];
1058             delete[] templates;
1059             wxDocument *newDoc = temp->CreateDocument(path, flags);
1060             if (newDoc)
1061             {
1062                 newDoc->SetDocumentName(temp->GetDocumentName());
1063                 newDoc->SetDocumentTemplate(temp);
1064                 newDoc->OnNewDocument();
1065             }
1066             return newDoc;
1067         }
1068
1069         wxDocTemplate *temp = SelectDocumentType(templates, n);
1070         delete[] templates;
1071         if (temp)
1072         {
1073             wxDocument *newDoc = temp->CreateDocument(path, flags);
1074             if (newDoc)
1075             {
1076                 newDoc->SetDocumentName(temp->GetDocumentName());
1077                 newDoc->SetDocumentTemplate(temp);
1078                 newDoc->OnNewDocument();
1079             }
1080             return newDoc;
1081         }
1082         else
1083             return (wxDocument *) NULL;
1084     }
1085
1086     // Existing document
1087     wxDocTemplate *temp = (wxDocTemplate *) NULL;
1088
1089     wxString path2(wxT(""));
1090     if (path != wxT(""))
1091         path2 = path;
1092
1093     if (flags & wxDOC_SILENT)
1094         temp = FindTemplateForPath(path2);
1095     else
1096         temp = SelectDocumentPath(templates, n, path2, flags);
1097
1098     delete[] templates;
1099
1100     if (temp)
1101     {
1102         wxDocument *newDoc = temp->CreateDocument(path2, flags);
1103         if (newDoc)
1104         {
1105             newDoc->SetDocumentName(temp->GetDocumentName());
1106             newDoc->SetDocumentTemplate(temp);
1107             if (!newDoc->OnOpenDocument(path2))
1108             {
1109                 newDoc->DeleteAllViews();
1110                 // delete newDoc; // Implicitly deleted by DeleteAllViews
1111                 return (wxDocument *) NULL;
1112             }
1113             AddFileToHistory(path2);
1114         }
1115         return newDoc;
1116     }
1117     else
1118         return (wxDocument *) NULL;
1119 }
1120
1121 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
1122 {
1123     wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()];
1124     int n =0;
1125     int i;
1126     for (i = 0; i < m_templates.Number(); i++)
1127     {
1128         wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data());
1129         if (temp->IsVisible())
1130         {
1131             if (temp->GetDocumentName() == doc->GetDocumentName())
1132             {
1133                 templates[n] = temp;
1134                 n ++;
1135             }
1136         }
1137     }
1138     if (n == 0)
1139     {
1140         delete[] templates;
1141         return (wxView *) NULL;
1142     }
1143     if (n == 1)
1144     {
1145         wxDocTemplate *temp = templates[0];
1146         delete[] templates;
1147         wxView *view = temp->CreateView(doc, flags);
1148         if (view)
1149             view->SetViewName(temp->GetViewName());
1150         return view;
1151     }
1152
1153     wxDocTemplate *temp = SelectViewType(templates, n);
1154     delete[] templates;
1155     if (temp)
1156     {
1157         wxView *view = temp->CreateView(doc, flags);
1158         if (view)
1159             view->SetViewName(temp->GetViewName());
1160         return view;
1161     }
1162     else
1163         return (wxView *) NULL;
1164 }
1165
1166 // Not yet implemented
1167 void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
1168 {
1169 }
1170
1171 // Not yet implemented
1172 bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
1173 {
1174     return FALSE;
1175 }
1176
1177 wxDocument *wxDocManager::GetCurrentDocument() const
1178 {
1179     if (m_currentView)
1180         return m_currentView->GetDocument();
1181     else
1182         return (wxDocument *) NULL;
1183 }
1184
1185 // Make a default document name
1186 bool wxDocManager::MakeDefaultName(wxString& name)
1187 {
1188     name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
1189     m_defaultDocumentNameCounter++;
1190
1191     return TRUE;
1192 }
1193
1194 // Make a frame title (override this to do something different)
1195 // If docName is empty, a document is not currently active.
1196 wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
1197 {
1198     wxString appName = wxTheApp->GetAppName();
1199     wxString title;
1200     if (!doc)
1201         title = appName;
1202     else
1203     {
1204         wxString docName;
1205         doc->GetPrintableName(docName);
1206         title = docName + wxString(_(" - ")) + appName;
1207     }
1208     return title;
1209 }
1210
1211
1212 // Not yet implemented
1213 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
1214 {
1215     return (wxDocTemplate *) NULL;
1216 }
1217
1218 // File history management
1219 void wxDocManager::AddFileToHistory(const wxString& file)
1220 {
1221     if (m_fileHistory)
1222         m_fileHistory->AddFileToHistory(file);
1223 }
1224
1225 void wxDocManager::RemoveFileFromHistory(int i)
1226 {
1227     if (m_fileHistory)
1228         m_fileHistory->RemoveFileFromHistory(i);
1229 }
1230
1231 wxString wxDocManager::GetHistoryFile(int i) const
1232 {
1233     wxString histFile;
1234
1235     if (m_fileHistory)
1236         histFile = m_fileHistory->GetHistoryFile(i);
1237
1238     return histFile;
1239 }
1240
1241 void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
1242 {
1243     if (m_fileHistory)
1244         m_fileHistory->UseMenu(menu);
1245 }
1246
1247 void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
1248 {
1249     if (m_fileHistory)
1250         m_fileHistory->RemoveMenu(menu);
1251 }
1252
1253 #if wxUSE_CONFIG
1254 void wxDocManager::FileHistoryLoad(wxConfigBase& config)
1255 {
1256     if (m_fileHistory)
1257         m_fileHistory->Load(config);
1258 }
1259
1260 void wxDocManager::FileHistorySave(wxConfigBase& config)
1261 {
1262     if (m_fileHistory)
1263         m_fileHistory->Save(config);
1264 }
1265 #endif
1266
1267 void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
1268 {
1269     if (m_fileHistory)
1270         m_fileHistory->AddFilesToMenu(menu);
1271 }
1272
1273 void wxDocManager::FileHistoryAddFilesToMenu()
1274 {
1275     if (m_fileHistory)
1276         m_fileHistory->AddFilesToMenu();
1277 }
1278
1279 int wxDocManager::GetNoHistoryFiles() const
1280 {
1281     if (m_fileHistory)
1282         return m_fileHistory->GetNoHistoryFiles();
1283     else
1284         return 0;
1285 }
1286
1287
1288 // Find out the document template via matching in the document file format
1289 // against that of the template
1290 wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
1291 {
1292     wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
1293
1294     // Find the template which this extension corresponds to
1295     int i;
1296     for (i = 0; i < m_templates.Number(); i++)
1297     {
1298         wxDocTemplate *temp = (wxDocTemplate *)m_templates.Nth(i)->Data();
1299         if ( temp->FileMatchesTemplate(path) )
1300         {
1301             theTemplate = temp;
1302             break;
1303         }
1304     }
1305     return theTemplate;
1306 }
1307
1308 // Try to get a more suitable parent frame than the top window,
1309 // for selection dialogs. Otherwise you may get an unexpected
1310 // window being activated when a dialog is shown.
1311 static wxWindow* wxFindSuitableParent()
1312 {
1313     wxWindow* parent = wxTheApp->GetTopWindow();
1314
1315     wxWindow* focusWindow = wxWindow::FindFocus();
1316     if (focusWindow)
1317     {
1318         while (focusWindow &&
1319                 !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
1320                 !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
1321
1322             focusWindow = focusWindow->GetParent();
1323
1324         if (focusWindow)
1325             parent = focusWindow;
1326     }
1327     return parent;
1328 }
1329
1330 // Prompts user to open a file, using file specs in templates.
1331 // How to implement in wxWindows? Must extend the file selector
1332 // dialog or implement own; OR match the extension to the
1333 // template extension.
1334
1335 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
1336 #if defined(__WXMSW__) || defined(__WXGTK__)
1337                                                 int noTemplates,
1338 #else
1339                                                 int WXUNUSED(noTemplates),
1340 #endif
1341                                                 wxString& path,
1342                                                 long WXUNUSED(flags),
1343                                                 bool WXUNUSED(save))
1344 {
1345     // We can only have multiple filters in Windows and GTK
1346 #if defined(__WXMSW__) || defined(__WXGTK__)
1347     wxString descrBuf;
1348
1349     int i;
1350     for (i = 0; i < noTemplates; i++)
1351     {
1352         if (templates[i]->IsVisible())
1353         {
1354             // add a '|' to separate this filter from the previous one
1355             if ( !descrBuf.IsEmpty() )
1356                 descrBuf << wxT('|');
1357
1358             descrBuf << templates[i]->GetDescription()
1359                 << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
1360                 << templates[i]->GetFileFilter();
1361         }
1362     }
1363 #else
1364     wxString descrBuf = wxT("*.*");
1365 #endif
1366
1367     int FilterIndex = 0;
1368
1369     wxWindow* parent = wxFindSuitableParent();
1370
1371     wxString pathTmp = wxFileSelectorEx(_("Select a file"),
1372                                         m_lastDirectory,
1373                                         wxT(""),
1374                                         &FilterIndex,
1375                                         descrBuf,
1376                                         0,
1377                                         parent);
1378
1379     if (!pathTmp.IsEmpty())
1380     {
1381         if (!wxFileExists(pathTmp))
1382         {
1383             wxString msgTitle;
1384             if (!wxTheApp->GetAppName().IsEmpty())
1385                 msgTitle = wxTheApp->GetAppName();
1386             else
1387                 msgTitle = wxString(_("File error"));
1388
1389             (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
1390                 parent);
1391
1392             path = wxT("");
1393             return (wxDocTemplate *) NULL;
1394         }
1395         m_lastDirectory = wxPathOnly(pathTmp);
1396
1397         path = pathTmp;
1398
1399         // This is dodgy in that we're selecting the template on the
1400         // basis of the file extension, which may not be a standard
1401         // one. We really want to know exactly which template was
1402         // chosen by using a more advanced file selector.
1403         wxDocTemplate *theTemplate = FindTemplateForPath(path);
1404         if ( !theTemplate )
1405             theTemplate = templates[FilterIndex];
1406
1407         return theTemplate;
1408     }
1409     else
1410     {
1411         path = wxT("");
1412         return (wxDocTemplate *) NULL;
1413     }
1414 #if 0
1415     // In all other windowing systems, until we have more advanced
1416     // file selectors, we must select the document type (template) first, and
1417     // _then_ pop up the file selector.
1418     wxDocTemplate *temp = SelectDocumentType(templates, noTemplates);
1419     if (!temp)
1420         return (wxDocTemplate *) NULL;
1421
1422     wxChar *pathTmp = wxFileSelector(_("Select a file"), wxT(""), wxT(""),
1423             temp->GetDefaultExtension(),
1424             temp->GetFileFilter(),
1425             0, wxTheApp->GetTopWindow());
1426
1427     if (pathTmp)
1428     {
1429         path = pathTmp;
1430         return temp;
1431     }
1432     else
1433         return (wxDocTemplate *) NULL;
1434 #endif // 0
1435 }
1436
1437 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
1438                                                 int noTemplates)
1439 {
1440     wxChar **strings = new wxChar *[noTemplates];
1441     wxChar **data = new wxChar *[noTemplates];
1442     int i;
1443     int n = 0;
1444     for (i = 0; i < noTemplates; i++)
1445     {
1446         if (templates[i]->IsVisible())
1447         {
1448             strings[n] = (wxChar *)templates[i]->m_description.c_str();
1449             data[n] = (wxChar *)templates[i];
1450             n ++;
1451         }
1452     }
1453     if (n == 0)
1454     {
1455         delete[] strings;
1456         delete[] data;
1457         return (wxDocTemplate *) NULL;
1458     }
1459     else if (n == 1)
1460     {
1461         wxDocTemplate *temp = (wxDocTemplate *)data[0];
1462         delete[] strings;
1463         delete[] data;
1464         return temp;
1465     }
1466
1467     wxWindow* parent = wxFindSuitableParent();
1468
1469     wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document template"), _("Templates"), n,
1470             strings, (void **)data, parent);
1471     delete[] strings;
1472     delete[] data;
1473     return theTemplate;
1474 }
1475
1476 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
1477         int noTemplates)
1478 {
1479     wxChar **strings = new wxChar *[noTemplates];
1480     wxChar **data = new wxChar *[noTemplates];
1481     int i;
1482     int n = 0;
1483     for (i = 0; i < noTemplates; i++)
1484     {
1485         if (templates[i]->IsVisible() && (templates[i]->GetViewName() != wxT("")))
1486         {
1487             strings[n] = (wxChar *)templates[i]->m_viewTypeName.c_str();
1488             data[n] = (wxChar *)templates[i];
1489             n ++;
1490         }
1491     }
1492     wxWindow* parent = wxFindSuitableParent();
1493
1494     wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document view"), _("Views"), n,
1495             strings, (void **)data, parent);
1496     delete[] strings;
1497     delete[] data;
1498     return theTemplate;
1499 }
1500
1501 void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
1502 {
1503     if (!m_templates.Member(temp))
1504         m_templates.Append(temp);
1505 }
1506
1507 void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
1508 {
1509     m_templates.DeleteObject(temp);
1510 }
1511
1512 // Add and remove a document from the manager's list
1513 void wxDocManager::AddDocument(wxDocument *doc)
1514 {
1515     if (!m_docs.Member(doc))
1516         m_docs.Append(doc);
1517 }
1518
1519 void wxDocManager::RemoveDocument(wxDocument *doc)
1520 {
1521     m_docs.DeleteObject(doc);
1522 }
1523
1524 // Views or windows should inform the document manager
1525 // when a view is going in or out of focus
1526 void wxDocManager::ActivateView(wxView *view, bool activate, bool WXUNUSED(deleting))
1527 {
1528     // If we're deactiving, and if we're not actually deleting the view, then
1529     // don't reset the current view because we may be going to
1530     // a window without a view.
1531     // WHAT DID I MEAN BY THAT EXACTLY?
1532     /*
1533        if (deleting)
1534        {
1535        if (m_currentView == view)
1536        m_currentView = NULL;
1537        }
1538        else
1539      */
1540     {
1541         if (activate)
1542             m_currentView = view;
1543         else
1544             m_currentView = (wxView *) NULL;
1545     }
1546 }
1547
1548 // ----------------------------------------------------------------------------
1549 // Default document child frame
1550 // ----------------------------------------------------------------------------
1551
1552 BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
1553     EVT_ACTIVATE(wxDocChildFrame::OnActivate)
1554     EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
1555 END_EVENT_TABLE()
1556
1557 wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
1558                                  wxView *view,
1559                                  wxFrame *frame,
1560                                  wxWindowID id,
1561                                  const wxString& title,
1562                                  const wxPoint& pos,
1563                                  const wxSize& size,
1564                                  long style,
1565                                  const wxString& name)
1566                : wxFrame(frame, id, title, pos, size, style, name)
1567 {
1568     m_childDocument = doc;
1569     m_childView = view;
1570     if (view)
1571         view->SetFrame(this);
1572 }
1573
1574 wxDocChildFrame::~wxDocChildFrame()
1575 {
1576 }
1577
1578 // Extend event processing to search the view's event table
1579 bool wxDocChildFrame::ProcessEvent(wxEvent& event)
1580 {
1581     if (m_childView)
1582         m_childView->Activate(TRUE);
1583
1584     if ( !m_childView || ! m_childView->ProcessEvent(event) )
1585     {
1586         // Only hand up to the parent if it's a menu command
1587         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
1588             return wxEvtHandler::ProcessEvent(event);
1589         else
1590             return TRUE;
1591     }
1592     else
1593         return TRUE;
1594 }
1595
1596 void wxDocChildFrame::OnActivate(wxActivateEvent& event)
1597 {
1598     wxFrame::OnActivate(event);
1599
1600     if (m_childView)
1601         m_childView->Activate(event.GetActive());
1602 }
1603
1604 void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
1605 {
1606     if (m_childView)
1607     {
1608         bool ans = FALSE;
1609         if (!event.CanVeto())
1610             ans = TRUE; // Must delete.
1611         else
1612             ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
1613
1614         if (ans)
1615         {
1616             m_childView->Activate(FALSE);
1617             delete m_childView;
1618             m_childView = (wxView *) NULL;
1619             m_childDocument = (wxDocument *) NULL;
1620
1621             this->Destroy();
1622         }
1623         else
1624             event.Veto();
1625     }
1626     else
1627         event.Veto();
1628 }
1629
1630 // ----------------------------------------------------------------------------
1631 // Default parent frame
1632 // ----------------------------------------------------------------------------
1633
1634 BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
1635     EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
1636     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
1637     EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
1638 END_EVENT_TABLE()
1639
1640 wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
1641                                    wxFrame *frame,
1642                                    wxWindowID id,
1643                                    const wxString& title,
1644                                    const wxPoint& pos,
1645                                    const wxSize& size,
1646                                    long style,
1647                                    const wxString& name)
1648                 : wxFrame(frame, id, title, pos, size, style, name)
1649 {
1650     m_docManager = manager;
1651 }
1652
1653 void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
1654 {
1655     Close();
1656 }
1657
1658 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
1659 {
1660     int n = event.GetSelection() - wxID_FILE1;  // the index in MRU list
1661     wxString filename(m_docManager->GetHistoryFile(n));
1662     if ( !filename.IsEmpty() )
1663     {
1664         // verify that the file exists before doing anything else
1665         if ( wxFile::Exists(filename) )
1666         {
1667             // try to open it
1668             (void)m_docManager->CreateDocument(filename, wxDOC_SILENT);
1669         }
1670         else
1671         {
1672             // remove the bogus filename from the MRU list and notify the user
1673             // about it
1674             m_docManager->RemoveFileFromHistory(n);
1675
1676             wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been also removed from the MRU files list."),
1677                        filename.c_str());
1678         }
1679     }
1680 }
1681
1682 // Extend event processing to search the view's event table
1683 bool wxDocParentFrame::ProcessEvent(wxEvent& event)
1684 {
1685     // Try the document manager, then do default processing
1686     if (!m_docManager || !m_docManager->ProcessEvent(event))
1687         return wxEvtHandler::ProcessEvent(event);
1688     else
1689         return TRUE;
1690 }
1691
1692 // Define the behaviour for the frame closing
1693 // - must delete all frames except for the main one.
1694 void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
1695 {
1696     if (m_docManager->Clear(!event.CanVeto()))
1697     {
1698         this->Destroy();
1699     }
1700     else
1701         event.Veto();
1702 }
1703
1704 #if wxUSE_PRINTING_ARCHITECTURE
1705
1706 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
1707              : wxPrintout(title)
1708 {
1709     m_printoutView = view;
1710 }
1711
1712 bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
1713 {
1714     wxDC *dc = GetDC();
1715
1716     // Get the logical pixels per inch of screen and printer
1717     int ppiScreenX, ppiScreenY;
1718     GetPPIScreen(&ppiScreenX, &ppiScreenY);
1719     int ppiPrinterX, ppiPrinterY;
1720     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
1721
1722     // This scales the DC so that the printout roughly represents the
1723     // the screen scaling. The text point size _should_ be the right size
1724     // but in fact is too small for some reason. This is a detail that will
1725     // need to be addressed at some point but can be fudged for the
1726     // moment.
1727     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
1728
1729     // Now we have to check in case our real page size is reduced
1730     // (e.g. because we're drawing to a print preview memory DC)
1731     int pageWidth, pageHeight;
1732     int w, h;
1733     dc->GetSize(&w, &h);
1734     GetPageSizePixels(&pageWidth, &pageHeight);
1735
1736     // If printer pageWidth == current DC width, then this doesn't
1737     // change. But w might be the preview bitmap width, so scale down.
1738     float overallScale = scale * (float)(w/(float)pageWidth);
1739     dc->SetUserScale(overallScale, overallScale);
1740
1741     if (m_printoutView)
1742     {
1743         m_printoutView->OnDraw(dc);
1744     }
1745     return TRUE;
1746 }
1747
1748 bool wxDocPrintout::HasPage(int pageNum)
1749 {
1750     return (pageNum == 1);
1751 }
1752
1753 bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
1754 {
1755     if (!wxPrintout::OnBeginDocument(startPage, endPage))
1756         return FALSE;
1757
1758     return TRUE;
1759 }
1760
1761 void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
1762 {
1763     *minPage = 1;
1764     *maxPage = 1;
1765     *selPageFrom = 1;
1766     *selPageTo = 1;
1767 }
1768
1769 #endif // wxUSE_PRINTING_ARCHITECTURE
1770
1771 // ----------------------------------------------------------------------------
1772 // Command processing framework
1773 // ----------------------------------------------------------------------------
1774
1775 wxCommand::wxCommand(bool canUndoIt, const wxString& name)
1776 {
1777     m_canUndo = canUndoIt;
1778     m_commandName = name;
1779 }
1780
1781 wxCommand::~wxCommand()
1782 {
1783 }
1784
1785 // Command processor
1786 wxCommandProcessor::wxCommandProcessor(int maxCommands)
1787 {
1788     m_maxNoCommands = maxCommands;
1789     m_currentCommand = (wxNode *) NULL;
1790     m_commandEditMenu = (wxMenu *) NULL;
1791 }
1792
1793 wxCommandProcessor::~wxCommandProcessor()
1794 {
1795     ClearCommands();
1796 }
1797
1798 // Pass a command to the processor. The processor calls Do();
1799 // if successful, is appended to the command history unless
1800 // storeIt is FALSE.
1801 bool wxCommandProcessor::Submit(wxCommand *command, bool storeIt)
1802 {
1803     bool success = command->Do();
1804     if (success && storeIt)
1805     {
1806         if (m_commands.Number() == m_maxNoCommands)
1807         {
1808             wxNode *firstNode = m_commands.First();
1809             wxCommand *firstCommand = (wxCommand *)firstNode->Data();
1810             delete firstCommand;
1811             delete firstNode;
1812         }
1813
1814         // Correct a bug: we must chop off the current 'branch'
1815         // so that we're at the end of the command list.
1816         if (!m_currentCommand)
1817             ClearCommands();
1818         else
1819         {
1820             wxNode *node = m_currentCommand->Next();
1821             while (node)
1822             {
1823                 wxNode *next = node->Next();
1824                 delete (wxCommand *)node->Data();
1825                 delete node;
1826                 node = next;
1827             }
1828         }
1829
1830         m_commands.Append(command);
1831         m_currentCommand = m_commands.Last();
1832         SetMenuStrings();
1833     }
1834     return success;
1835 }
1836
1837 bool wxCommandProcessor::Undo()
1838 {
1839     if (m_currentCommand)
1840     {
1841         wxCommand *command = (wxCommand *)m_currentCommand->Data();
1842         if (command->CanUndo())
1843         {
1844             bool success = command->Undo();
1845             if (success)
1846             {
1847                 m_currentCommand = m_currentCommand->Previous();
1848                 SetMenuStrings();
1849                 return TRUE;
1850             }
1851         }
1852     }
1853     return FALSE;
1854 }
1855
1856 bool wxCommandProcessor::Redo()
1857 {
1858     wxCommand *redoCommand = (wxCommand *) NULL;
1859     wxNode *redoNode = (wxNode *) NULL;
1860     if (m_currentCommand && m_currentCommand->Next())
1861     {
1862         redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
1863         redoNode = m_currentCommand->Next();
1864     }
1865     else
1866     {
1867         if (m_commands.Number() > 0)
1868         {
1869             redoCommand = (wxCommand *)m_commands.First()->Data();
1870             redoNode = m_commands.First();
1871         }
1872     }
1873
1874     if (redoCommand)
1875     {
1876         bool success = redoCommand->Do();
1877         if (success)
1878         {
1879             m_currentCommand = redoNode;
1880             SetMenuStrings();
1881             return TRUE;
1882         }
1883     }
1884     return FALSE;
1885 }
1886
1887 bool wxCommandProcessor::CanUndo() const
1888 {
1889     if (m_currentCommand)
1890         return ((wxCommand *)m_currentCommand->Data())->CanUndo();
1891     return FALSE;
1892 }
1893
1894 bool wxCommandProcessor::CanRedo() const
1895 {
1896     if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() == (wxNode*) NULL))
1897         return FALSE;
1898
1899     if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() != (wxNode*) NULL))
1900         return TRUE;
1901
1902     if ((m_currentCommand == (wxNode*) NULL) && (m_commands.Number() > 0))
1903         return TRUE;
1904
1905     return FALSE;
1906 }
1907
1908 void wxCommandProcessor::Initialize()
1909 {
1910     m_currentCommand = m_commands.Last();
1911     SetMenuStrings();
1912 }
1913
1914 void wxCommandProcessor::SetMenuStrings()
1915 {
1916     if (m_commandEditMenu)
1917     {
1918         wxString buf;
1919         if (m_currentCommand)
1920         {
1921             wxCommand *command = (wxCommand *)m_currentCommand->Data();
1922             wxString commandName(command->GetName());
1923             if (commandName == wxT("")) commandName = _("Unnamed command");
1924             bool canUndo = command->CanUndo();
1925             if (canUndo)
1926                 buf = wxString(_("&Undo ")) + commandName;
1927             else
1928                 buf = wxString(_("Can't &Undo ")) + commandName;
1929
1930             m_commandEditMenu->SetLabel(wxID_UNDO, buf);
1931             m_commandEditMenu->Enable(wxID_UNDO, canUndo);
1932
1933             // We can redo, if we're not at the end of the history.
1934             if (m_currentCommand->Next())
1935             {
1936                 wxCommand *redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
1937                 wxString redoCommandName(redoCommand->GetName());
1938                 if (redoCommandName == wxT("")) redoCommandName = _("Unnamed command");
1939                 buf = wxString(_("&Redo ")) + redoCommandName;
1940                 m_commandEditMenu->SetLabel(wxID_REDO, buf);
1941                 m_commandEditMenu->Enable(wxID_REDO, TRUE);
1942             }
1943             else
1944             {
1945                 m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo"));
1946                 m_commandEditMenu->Enable(wxID_REDO, FALSE);
1947             }
1948         }
1949         else
1950         {
1951             m_commandEditMenu->SetLabel(wxID_UNDO, _("&Undo"));
1952             m_commandEditMenu->Enable(wxID_UNDO, FALSE);
1953
1954             if (m_commands.Number() == 0)
1955             {
1956                 m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo"));
1957                 m_commandEditMenu->Enable(wxID_REDO, FALSE);
1958             }
1959             else
1960             {
1961                 // currentCommand is NULL but there are commands: this means that
1962                 // we've undone to the start of the list, but can redo the first.
1963                 wxCommand *redoCommand = (wxCommand *)m_commands.First()->Data();
1964                 wxString redoCommandName(redoCommand->GetName());
1965                 if (redoCommandName == wxT("")) redoCommandName = _("Unnamed command");
1966                 buf = wxString(_("&Redo ")) + redoCommandName;
1967                 m_commandEditMenu->SetLabel(wxID_REDO, buf);
1968                 m_commandEditMenu->Enable(wxID_REDO, TRUE);
1969             }
1970         }
1971     }
1972 }
1973
1974 void wxCommandProcessor::ClearCommands()
1975 {
1976     wxNode *node = m_commands.First();
1977     while (node)
1978     {
1979         wxCommand *command = (wxCommand *)node->Data();
1980         delete command;
1981         delete node;
1982         node = m_commands.First();
1983     }
1984     m_currentCommand = (wxNode *) NULL;
1985 }
1986
1987 // ----------------------------------------------------------------------------
1988 // File history processor
1989 // ----------------------------------------------------------------------------
1990
1991 wxFileHistory::wxFileHistory(int maxFiles)
1992 {
1993     m_fileMaxFiles = maxFiles;
1994     m_fileHistoryN = 0;
1995     m_fileHistory = new wxChar *[m_fileMaxFiles];
1996 }
1997
1998 wxFileHistory::~wxFileHistory()
1999 {
2000     int i;
2001     for (i = 0; i < m_fileHistoryN; i++)
2002         delete[] m_fileHistory[i];
2003     delete[] m_fileHistory;
2004 }
2005
2006 // File history management
2007 void wxFileHistory::AddFileToHistory(const wxString& file)
2008 {
2009     int i;
2010     // Check we don't already have this file
2011     for (i = 0; i < m_fileHistoryN; i++)
2012     {
2013         if (m_fileHistory[i] && wxString(m_fileHistory[i]) == file)
2014             return;
2015     }
2016
2017     // Add to the project file history:
2018     // Move existing files (if any) down so we can insert file at beginning.
2019
2020     // First delete filename that has popped off the end of the array (if any)
2021     if (m_fileHistoryN == m_fileMaxFiles)
2022     {
2023         delete[] m_fileHistory[m_fileMaxFiles-1];
2024         m_fileHistory[m_fileMaxFiles-1] = (wxChar *) NULL;
2025     }
2026     if (m_fileHistoryN < m_fileMaxFiles)
2027     {
2028         wxNode* node = m_fileMenus.First();
2029         while (node)
2030         {
2031             wxMenu* menu = (wxMenu*) node->Data();
2032             if (m_fileHistoryN == 0)
2033                 menu->AppendSeparator();
2034             menu->Append(wxID_FILE1+m_fileHistoryN, _("[EMPTY]"));
2035             node = node->Next();
2036         }
2037         m_fileHistoryN ++;
2038     }
2039     // Shuffle filenames down
2040     for (i = (m_fileHistoryN-1); i > 0; i--)
2041     {
2042         m_fileHistory[i] = m_fileHistory[i-1];
2043     }
2044     m_fileHistory[0] = copystring(file);
2045
2046     for (i = 0; i < m_fileHistoryN; i++)
2047         if (m_fileHistory[i])
2048         {
2049             wxString buf;
2050             buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2051             wxNode* node = m_fileMenus.First();
2052             while (node)
2053             {
2054                 wxMenu* menu = (wxMenu*) node->Data();
2055                 menu->SetLabel(wxID_FILE1+i, buf);
2056                 node = node->Next();
2057             }
2058         }
2059 }
2060
2061 void wxFileHistory::RemoveFileFromHistory(int i)
2062 {
2063     wxCHECK_RET( i < m_fileHistoryN,
2064                  wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
2065
2066     wxNode* node = m_fileMenus.First();
2067     while ( node )
2068     {
2069         wxMenu* menu = (wxMenu*) node->Data();
2070
2071         // delete the element from the array (could use memmove() too...)
2072         delete [] m_fileHistory[i];
2073
2074         int j;
2075         for ( j = i; j < m_fileHistoryN - 1; j++ )
2076         {
2077             m_fileHistory[j] = m_fileHistory[j + 1];
2078         }
2079
2080         // shuffle filenames up
2081         wxString buf;
2082         for ( j = i; j < m_fileHistoryN - 1; j++ )
2083         {
2084             buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
2085             menu->SetLabel(wxID_FILE1 + j, buf);
2086         }
2087
2088         node = node->Next();
2089
2090         // delete the last menu item which is unused now
2091         menu->Delete(wxID_FILE1 + m_fileHistoryN - 1);
2092
2093         // delete the last separator too if no more files are left
2094         if ( m_fileHistoryN == 1 )
2095         {
2096             wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
2097             if ( node )
2098             {
2099                 wxMenuItem *menuItem = node->GetData();
2100                 if ( menuItem->IsSeparator() )
2101                 {
2102                     menu->Delete(menuItem);
2103                 }
2104                 //else: should we search backwards for the last separator?
2105             }
2106             //else: menu is empty somehow
2107         }
2108     }
2109
2110     m_fileHistoryN--;
2111 }
2112
2113 wxString wxFileHistory::GetHistoryFile(int i) const
2114 {
2115     wxString s;
2116     if ( i < m_fileHistoryN )
2117     {
2118         s = m_fileHistory[i];
2119     }
2120     else
2121     {
2122         wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
2123     }
2124
2125     return s;
2126 }
2127
2128 void wxFileHistory::UseMenu(wxMenu *menu)
2129 {
2130     if (!m_fileMenus.Member(menu))
2131         m_fileMenus.Append(menu);
2132 }
2133
2134 void wxFileHistory::RemoveMenu(wxMenu *menu)
2135 {
2136     m_fileMenus.DeleteObject(menu);
2137 }
2138
2139 #if wxUSE_CONFIG
2140 void wxFileHistory::Load(wxConfigBase& config)
2141 {
2142     m_fileHistoryN = 0;
2143     wxString buf;
2144     buf.Printf(wxT("file%d"), m_fileHistoryN+1);
2145     wxString historyFile;
2146     while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT("")))
2147     {
2148         m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile);
2149         m_fileHistoryN ++;
2150         buf.Printf(wxT("file%d"), m_fileHistoryN+1);
2151         historyFile = wxT("");
2152     }
2153     AddFilesToMenu();
2154 }
2155
2156 void wxFileHistory::Save(wxConfigBase& config)
2157 {
2158     int i;
2159     for (i = 0; i < m_fileHistoryN; i++)
2160     {
2161         wxString buf;
2162         buf.Printf(wxT("file%d"), i+1);
2163         config.Write(buf, wxString(m_fileHistory[i]));
2164     }
2165 }
2166 #endif // wxUSE_CONFIG
2167
2168 void wxFileHistory::AddFilesToMenu()
2169 {
2170     if (m_fileHistoryN > 0)
2171     {
2172         wxNode* node = m_fileMenus.First();
2173         while (node)
2174         {
2175             wxMenu* menu = (wxMenu*) node->Data();
2176             menu->AppendSeparator();
2177             int i;
2178             for (i = 0; i < m_fileHistoryN; i++)
2179             {
2180                 if (m_fileHistory[i])
2181                 {
2182                     wxString buf;
2183                     buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2184                     menu->Append(wxID_FILE1+i, buf);
2185                 }
2186             }
2187             node = node->Next();
2188         }
2189     }
2190 }
2191
2192 void wxFileHistory::AddFilesToMenu(wxMenu* menu)
2193 {
2194     if (m_fileHistoryN > 0)
2195     {
2196         menu->AppendSeparator();
2197         int i;
2198         for (i = 0; i < m_fileHistoryN; i++)
2199         {
2200             if (m_fileHistory[i])
2201             {
2202                 wxString buf;
2203                 buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
2204                 menu->Append(wxID_FILE1+i, buf);
2205             }
2206         }
2207     }
2208 }
2209
2210 // ----------------------------------------------------------------------------
2211 // Permits compatibility with existing file formats and functions that
2212 // manipulate files directly
2213 // ----------------------------------------------------------------------------
2214
2215 #if wxUSE_STD_IOSTREAM
2216 bool wxTransferFileToStream(const wxString& filename, ostream& stream)
2217 {
2218     FILE *fd1;
2219     int ch;
2220
2221     if ((fd1 = wxFopen (filename.fn_str(), _T("rb"))) == NULL)
2222         return FALSE;
2223
2224     while ((ch = getc (fd1)) != EOF)
2225         stream << (unsigned char)ch;
2226
2227     fclose (fd1);
2228     return TRUE;
2229 }
2230
2231 bool wxTransferStreamToFile(istream& stream, const wxString& filename)
2232 {
2233     FILE *fd1;
2234     int ch;
2235
2236     if ((fd1 = wxFopen (filename.fn_str(), _T("wb"))) == NULL)
2237     {
2238         return FALSE;
2239     }
2240
2241     while (!stream.eof())
2242     {
2243         ch = stream.get();
2244         if (!stream.eof())
2245             putc (ch, fd1);
2246     }
2247     fclose (fd1);
2248     return TRUE;
2249 }
2250 #else
2251 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
2252 {
2253     FILE *fd1;
2254     int ch;
2255
2256     if ((fd1 = wxFopen (filename, wxT("rb"))) == NULL)
2257         return FALSE;
2258
2259     while ((ch = getc (fd1)) != EOF)
2260         stream.PutC((char) ch);
2261
2262     fclose (fd1);
2263     return TRUE;
2264 }
2265
2266 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
2267 {
2268     FILE *fd1;
2269     char ch;
2270
2271     if ((fd1 = wxFopen (filename, wxT("wb"))) == NULL)
2272     {
2273         return FALSE;
2274     }
2275
2276     int len = stream.StreamSize();
2277     // TODO: is this the correct test for EOF?
2278     while (stream.TellI() < (len - 1))
2279     {
2280         ch = stream.GetC();
2281         putc (ch, fd1);
2282     }
2283     fclose (fd1);
2284     return TRUE;
2285 }
2286 #endif
2287
2288 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
2289