src/xrc/xmlres.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xmlres.cpp
   3 // Purpose:     XRC resources
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/03/05
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "xmlres.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #include "wx/dialog.h"
  23 #include "wx/panel.h"
  24 #include "wx/frame.h"
  25 #include "wx/wfstream.h"
  26 #include "wx/filesys.h"
  27 #include "wx/log.h"
  28 #include "wx/intl.h"
  29 #include "wx/tokenzr.h"
  30 #include "wx/fontenum.h"
  31 #include "wx/module.h"
  32 #include "wx/bitmap.h"
  33 #include "wx/image.h"
  34 #include "wx/fontmap.h"
  35 #include "wx/artprov.h"
  36
  37 #include "wx/xrc/xml.h"
  38 #include "wx/xrc/xmlres.h"
  39
  40 #include "wx/arrimpl.cpp"
  41 WX_DEFINE_OBJARRAY(wxXmlResourceDataRecords);
  42
  43
  44 wxXmlResource *wxXmlResource::ms_instance = NULL;
  45
  46 /*static*/ wxXmlResource *wxXmlResource::Get()
  47 {
  48     if ( !ms_instance )
  49         ms_instance = new wxXmlResource;
  50     return ms_instance;
  51 }
  52
  53 /*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
  54 {
  55     wxXmlResource *old = ms_instance;
  56     ms_instance = res;
  57     return old;
  58 }
  59
  60 wxXmlResource::wxXmlResource(int flags)
  61 {
  62     m_handlers.DeleteContents(TRUE);
  63     m_flags = flags;
  64     m_version = -1;
  65 }
  66
  67 wxXmlResource::wxXmlResource(const wxString& filemask, int flags)
  68 {
  69     m_flags = flags;
  70     m_version = -1;
  71     m_handlers.DeleteContents(TRUE);
  72     Load(filemask);
  73 }
  74
  75 wxXmlResource::~wxXmlResource()
  76 {
  77     ClearHandlers();
  78 }
  79
  80
  81 bool wxXmlResource::Load(const wxString& filemask)
  82 {
  83     wxString fnd;
  84     wxXmlResourceDataRecord *drec;
  85     bool iswild = wxIsWild(filemask);
  86     bool rt = TRUE;
  87
  88 #if wxUSE_FILESYSTEM
  89     wxFileSystem fsys;
  90 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
  91 #   define wxXmlFindNext   fsys.FindNext()
  92 #else
  93 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
  94 #   define wxXmlFindNext   wxFindNextFile()
  95 #endif
  96     if (iswild)
  97         fnd = wxXmlFindFirst;
  98     else
  99         fnd = filemask;
 100     while (!!fnd)
 101     {
 102 #if wxUSE_FILESYSTEM
 103         if (filemask.Lower().Matches(wxT("*.zip")) ||
 104             filemask.Lower().Matches(wxT("*.xrs")))
 105         {
 106             rt = rt && Load(fnd + wxT("#zip:*.xrc"));
 107         }
 108         else
 109 #endif
 110         {
 111             drec = new wxXmlResourceDataRecord;
 112             drec->File = fnd;
 113             m_data.Add(drec);
 114         }
 115
 116         if (iswild)
 117             fnd = wxXmlFindNext;
 118         else
 119             fnd = wxEmptyString;
 120     }
 121 #   undef wxXmlFindFirst
 122 #   undef wxXmlFindNext
 123     return rt;
 124 }
 125
 126
 127
 128 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
 129 {
 130     m_handlers.Append(handler);
 131     handler->SetParentResource(this);
 132 }
 133
 134 void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
 135 {
 136     m_handlers.Insert(handler);
 137     handler->SetParentResource(this);
 138 }
 139
 140
 141
 142 void wxXmlResource::ClearHandlers()
 143 {
 144     m_handlers.Clear();
 145 }
 146
 147
 148 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
 149 {
 150     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
 151 }
 152
 153
 154
 155 wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
 156 {
 157     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
 158 }
 159
 160
 161
 162 #if wxUSE_TOOLBAR
 163 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
 164 {
 165     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
 166 }
 167 #endif
 168
 169
 170 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
 171 {
 172     return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
 173 }
 174
 175 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
 176 {
 177     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
 178 }
 179
 180
 181
 182 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
 183 {
 184     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
 185 }
 186
 187 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
 188 {
 189     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
 190 }
 191
 192 wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
 193 {
 194     return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
 195 }
 196
 197 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
 198 {
 199     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
 200 }
 201
 202 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
 203 {
 204     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
 205                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
 206     wxBitmap rt;
 207
 208     if (bmp) { rt = *bmp; delete bmp; }
 209     return rt;
 210 }
 211
 212 wxIcon wxXmlResource::LoadIcon(const wxString& name)
 213 {
 214     wxIcon *icon = (wxIcon*)CreateResFromNode(
 215                             FindResource(name, wxT("wxIcon")), NULL, NULL);
 216     wxIcon rt;
 217
 218     if (icon) { rt = *icon; delete icon; }
 219     return rt;
 220 }
 221
 222
 223 wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
 224 {
 225     return CreateResFromNode(FindResource(name, classname), parent, NULL);
 226 }
 227
 228 bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
 229 {
 230     return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
 231 }
 232
 233
 234 bool wxXmlResource::AttachUnknownControl(const wxString& name,
 235                                          wxWindow *control, wxWindow *parent)
 236 {
 237     if (parent == NULL)
 238         parent = control->GetParent();
 239     wxWindow *container = parent->FindWindow(name + wxT("_container"));
 240     if (!container)
 241     {
 242         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
 243         return FALSE;
 244     }
 245     return control->Reparent(container);
 246 }
 247
 248
 249 static void ProcessPlatformProperty(wxXmlNode *node)
 250 {
 251     wxString s;
 252     bool isok;
 253
 254     wxXmlNode *c = node->GetChildren();
 255     while (c)
 256     {
 257         isok = FALSE;
 258         if (!c->GetPropVal(wxT("platform"), &s))
 259             isok = TRUE;
 260         else
 261         {
 262             wxStringTokenizer tkn(s, wxT(" |"));
 263
 264             while (tkn.HasMoreTokens())
 265             {
 266                 s = tkn.GetNextToken();
 267                 if (
 268 #ifdef __WXMSW__
 269                     s == wxString(wxT("win"))
 270 #elif defined(__UNIX__)
 271                     s == wxString(wxT("unix"))
 272 #elif defined(__MAC__)
 273                     s == wxString(wxT("mac"))
 274 #elif defined(__OS2__)
 275                     s == wxString(wxT("os2"))
 276 #else
 277                     FALSE
 278 #endif
 279               ) isok = TRUE;
 280             }
 281         }
 282
 283         if (isok)
 284         {
 285             ProcessPlatformProperty(c);
 286             c = c->GetNext();
 287         }
 288         else
 289         {
 290             wxXmlNode *c2 = c->GetNext();
 291             node->RemoveChild(c);
 292             delete c;
 293             c = c2;
 294         }
 295     }
 296 }
 297
 298
 299
 300 void wxXmlResource::UpdateResources()
 301 {
 302     bool modif;
 303 #   if wxUSE_FILESYSTEM
 304     wxFSFile *file = NULL;
 305     wxFileSystem fsys;
 306 #   endif
 307
 308     wxString encoding(wxT("UTF-8"));
 309 #if !wxUSE_UNICODE && wxUSE_INTL
 310     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
 311     {
 312         // In case we are not using wxLocale to translate strings, convert the strings
 313         // GUI's charset. This must not be done when wxXRC_USE_LOCALE is on, because
 314         // it could break wxGetTranslation lookup.
 315         encoding = wxLocale::GetSystemEncodingName();
 316     }
 317 #endif
 318
 319     for (size_t i = 0; i < m_data.GetCount(); i++)
 320     {
 321         modif = (m_data[i].Doc == NULL);
 322
 323         if (!modif)
 324         {
 325 #           if wxUSE_FILESYSTEM
 326             file = fsys.OpenFile(m_data[i].File);
 327             modif = file && file->GetModificationTime() > m_data[i].Time;
 328             if (!file)
 329                 wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
 330             wxDELETE(file);
 331 #           else
 332             modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
 333 #           endif
 334         }
 335
 336         if (modif)
 337         {
 338             wxInputStream *stream = NULL;
 339
 340 #           if wxUSE_FILESYSTEM
 341             file = fsys.OpenFile(m_data[i].File);
 342                         if (file)
 343                                 stream = file->GetStream();
 344 #           else
 345             stream = new wxFileInputStream(m_data[i].File);
 346 #           endif
 347
 348             if (stream)
 349             {
 350                 delete m_data[i].Doc;
 351                 m_data[i].Doc = new wxXmlDocument;
 352             }
 353             if (!stream || !m_data[i].Doc->Load(*stream, encoding))
 354             {
 355                 wxLogError(_("Cannot load resources from file '%s'."),
 356                            m_data[i].File.c_str());
 357                 wxDELETE(m_data[i].Doc);
 358             }
 359             else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
 360             {
 361                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
 362                 wxDELETE(m_data[i].Doc);
 363             }
 364             else
 365                         {
 366                 long version;
 367                 int v1, v2, v3, v4;
 368                 wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
 369                                       wxT("version"), wxT("0.0.0.0"));
 370                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 371                     &v1, &v2, &v3, &v4) == 4)
 372                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 373                 else
 374                     version = 0;
 375                 if (m_version == -1)
 376                     m_version = version;
 377                 if (m_version != version)
 378                     wxLogError(_("Resource files must have same version number!"));
 379
 380                 ProcessPlatformProperty(m_data[i].Doc->GetRoot());
 381                                 m_data[i].Time = file->GetModificationTime();
 382                         }
 383
 384 #           if wxUSE_FILESYSTEM
 385                                 wxDELETE(file);
 386 #           else
 387                                 wxDELETE(stream);
 388 #           endif
 389         }
 390     }
 391 }
 392
 393
 394 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
 395                                          const wxString& name,
 396                                          const wxString& classname,
 397                                          bool recursive)
 398 {
 399     wxString dummy;
 400     wxXmlNode *node;
 401
 402     // first search for match at the top-level nodes (as this is
 403     // where the resource is most commonly looked for):
 404     for (node = parent->GetChildren(); node; node = node->GetNext())
 405     {
 406         if ( node->GetType() == wxXML_ELEMENT_NODE &&
 407                  (node->GetName() == wxT("object") ||
 408                   node->GetName() == wxT("object_ref")) &&
 409              node->GetPropVal(wxT("name"), &dummy) && dummy == name )
 410         {
 411             wxString cls(node->GetPropVal(wxT("class"), wxEmptyString));
 412             if (!classname || cls == classname)
 413                 return node;
 414             // object_ref may not have 'class' property:
 415             if (cls.empty() && node->GetName() == wxT("object_ref"))
 416             {
 417                 wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 418                 if (refName.empty())
 419                     continue;
 420                 wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
 421                 if (refNode &&
 422                     refNode->GetPropVal(wxT("class"), wxEmptyString) == classname)
 423                 {
 424                     return node;
 425                 }
 426             }
 427         }
 428     }
 429
 430     if ( recursive )
 431         for (node = parent->GetChildren(); node; node = node->GetNext())
 432         {
 433             if ( node->GetType() == wxXML_ELEMENT_NODE &&
 434                  (node->GetName() == wxT("object") ||
 435                   node->GetName() == wxT("object_ref")) )
 436             {
 437                 wxXmlNode* found = DoFindResource(node, name, classname, TRUE);
 438                 if ( found )
 439                     return found;
 440             }
 441         }
 442
 443    return NULL;
 444 }
 445
 446 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
 447                                        const wxString& classname,
 448                                        bool recursive)
 449 {
 450     UpdateResources(); //ensure everything is up-to-date
 451
 452     wxString dummy;
 453     for (size_t f = 0; f < m_data.GetCount(); f++)
 454     {
 455         if ( m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL )
 456             continue;
 457
 458         wxXmlNode* found = DoFindResource(m_data[f].Doc->GetRoot(),
 459                                           name, classname, recursive);
 460         if ( found )
 461         {
 462 #if wxUSE_FILESYSTEM
 463             m_curFileSystem.ChangePathTo(m_data[f].File);
 464 #endif
 465             return found;
 466         }
 467     }
 468
 469     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 470                name.c_str(), classname.c_str());
 471     return NULL;
 472 }
 473
 474 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
 475 {
 476     // Merge properties:
 477     for (wxXmlProperty *prop = with.GetProperties(); prop; prop = prop->GetNext())
 478     {
 479         wxXmlProperty *dprop;
 480         for (dprop = dest.GetProperties(); dprop; dprop = dprop->GetNext())
 481         {
 482
 483             if ( dprop->GetName() == prop->GetName() )
 484             {
 485                 dprop->SetValue(prop->GetValue());
 486                 break;
 487             }
 488         }
 489
 490         if ( !dprop )
 491             dest.AddProperty(prop->GetName(), prop->GetValue());
 492    }
 493
 494     // Merge child nodes:
 495     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
 496     {
 497         wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 498         wxXmlNode *dnode;
 499
 500         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
 501         {
 502             if ( dnode->GetName() == node->GetName() &&
 503                  dnode->GetPropVal(wxT("name"), wxEmptyString) == name &&
 504                  dnode->GetType() == node->GetType() )
 505             {
 506                 MergeNodes(*dnode, *node);
 507                 break;
 508             }
 509         }
 510
 511         if ( !dnode )
 512             dest.AddChild(new wxXmlNode(*node));
 513     }
 514
 515     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().Length() )
 516          dest.SetContent(with.GetContent());
 517 }
 518
 519 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance)
 520 {
 521     if (node == NULL) return NULL;
 522
 523     // handling of referenced resource
 524     if ( node->GetName() == wxT("object_ref") )
 525     {
 526         wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 527         wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
 528
 529         if ( !refNode )
 530         {
 531             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
 532                        refName.c_str());
 533             return NULL;
 534         }
 535
 536         wxXmlNode copy(*refNode);
 537         MergeNodes(copy, *node);
 538
 539         return CreateResFromNode(&copy, parent, instance);
 540     }
 541
 542     wxXmlResourceHandler *handler;
 543     wxObject *ret;
 544     wxNode * ND = m_handlers.GetFirst();
 545     while (ND)
 546     {
 547         handler = (wxXmlResourceHandler*)ND->GetData();
 548         if (node->GetName() == wxT("object") && handler->CanHandle(node))
 549         {
 550             ret = handler->CreateResource(node, parent, instance);
 551             if (ret) return ret;
 552         }
 553         ND = ND->GetNext();
 554     }
 555
 556     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 557                node->GetName().c_str(),
 558                node->GetPropVal(wxT("class"), wxEmptyString).c_str());
 559     return NULL;
 560 }
 561
 562
 563 #include "wx/listimpl.cpp"
 564 WX_DECLARE_LIST(wxXmlSubclassFactory, wxXmlSubclassFactoriesList);
 565 WX_DEFINE_LIST(wxXmlSubclassFactoriesList);
 566
 567 wxXmlSubclassFactoriesList *wxXmlResource::ms_subclassFactories = NULL;
 568
 569 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
 570 {
 571     if (!ms_subclassFactories)
 572     {
 573         ms_subclassFactories = new wxXmlSubclassFactoriesList;
 574         ms_subclassFactories->DeleteContents(TRUE);
 575     }
 576     ms_subclassFactories->Append(factory);
 577 }
 578
 579 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
 580 {
 581 public:
 582     ~wxXmlSubclassFactoryCXX() {}
 583
 584     wxObject *Create(const wxString& className)
 585     {
 586         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
 587
 588         if (classInfo)
 589             return classInfo->CreateObject();
 590         else
 591             return NULL;
 592     }
 593 };
 594
 595
 596
 597
 598
 599 wxXmlResourceHandler::wxXmlResourceHandler()
 600         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 601           m_parentAsWindow(NULL), m_instanceAsWindow(NULL)
 602 {}
 603
 604
 605
 606 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 607 {
 608     wxXmlNode *myNode = m_node;
 609     wxString myClass = m_class;
 610     wxObject *myParent = m_parent, *myInstance = m_instance;
 611     wxWindow *myParentAW = m_parentAsWindow, *myInstanceAW = m_instanceAsWindow;
 612
 613     m_instance = instance;
 614     if (!m_instance && node->HasProp(wxT("subclass")) &&
 615         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
 616     {
 617         wxString subclass = node->GetPropVal(wxT("subclass"), wxEmptyString);
 618         if (!subclass.empty())
 619         {
 620             for (wxXmlSubclassFactoriesList::Node *i = wxXmlResource::ms_subclassFactories->GetFirst();
 621                  i; i = i->GetNext())
 622             {
 623                 m_instance = i->GetData()->Create(subclass);
 624                 if (m_instance)
 625                     break;
 626             }
 627
 628             if (!m_instance)
 629             {
 630                 wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 631                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
 632                            subclass.c_str(), name.c_str());
 633             }
 634         }
 635     }
 636
 637     m_node = node;
 638     m_class = node->GetPropVal(wxT("class"), wxEmptyString);
 639     m_parent = parent;
 640     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 641     m_instanceAsWindow = wxDynamicCast(m_instance, wxWindow);
 642
 643     wxObject *returned = DoCreateResource();
 644
 645     m_node = myNode;
 646     m_class = myClass;
 647     m_parent = myParent; m_parentAsWindow = myParentAW;
 648     m_instance = myInstance; m_instanceAsWindow = myInstanceAW;
 649
 650     return returned;
 651 }
 652
 653
 654 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 655 {
 656     m_styleNames.Add(name);
 657     m_styleValues.Add(value);
 658 }
 659
 660
 661
 662 void wxXmlResourceHandler::AddWindowStyles()
 663 {
 664     XRC_ADD_STYLE(wxSIMPLE_BORDER);
 665     XRC_ADD_STYLE(wxSUNKEN_BORDER);
 666     XRC_ADD_STYLE(wxDOUBLE_BORDER);
 667     XRC_ADD_STYLE(wxRAISED_BORDER);
 668     XRC_ADD_STYLE(wxSTATIC_BORDER);
 669     XRC_ADD_STYLE(wxNO_BORDER);
 670     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
 671     XRC_ADD_STYLE(wxWANTS_CHARS);
 672     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 673 }
 674
 675
 676
 677 bool wxXmlResourceHandler::HasParam(const wxString& param)
 678 {
 679     return (GetParamNode(param) != NULL);
 680 }
 681
 682
 683 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 684 {
 685     wxString s = GetParamValue(param);
 686
 687     if (!s) return defaults;
 688
 689     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
 690     int style = 0;
 691     int index;
 692     wxString fl;
 693     while (tkn.HasMoreTokens())
 694     {
 695         fl = tkn.GetNextToken();
 696         index = m_styleNames.Index(fl);
 697         if (index != wxNOT_FOUND)
 698             style |= m_styleValues[index];
 699         else
 700             wxLogError(_("Unknown style flag ") + fl);
 701     }
 702     return style;
 703 }
 704
 705
 706
 707 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
 708 {
 709     wxString str1(GetParamValue(param));
 710     wxString str2;
 711     const wxChar *dt;
 712     wxChar amp_char;
 713
 714     // VS: First version of XRC resources used $ instead of & (which is
 715     //     illegal in XML), but later I realized that '_' fits this purpose
 716     //     much better (because &File means "File with F underlined").
 717     if (m_resource->CompareVersion(2,3,0,1) < 0)
 718         amp_char = wxT('$');
 719     else
 720         amp_char = wxT('_');
 721
 722     for (dt = str1.c_str(); *dt; dt++)
 723     {
 724         // Remap amp_char to &, map double amp_char to amp_char (for things
 725         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 726         if (*dt == amp_char)
 727         {
 728             if ( *(++dt) == amp_char )
 729                 str2 << amp_char;
 730             else
 731                 str2 << wxT('&') << *dt;
 732         }
 733         // Remap \n to CR, \r to LF, \t to TAB:
 734         else if (*dt == wxT('\\'))
 735             switch (*(++dt))
 736             {
 737                 case wxT('n') : str2 << wxT('\n'); break;
 738                 case wxT('t') : str2 << wxT('\t'); break;
 739                 case wxT('r') : str2 << wxT('\r'); break;
 740                 default       : str2 << wxT('\\') << *dt; break;
 741             }
 742         else str2 << *dt;
 743     }
 744
 745     if (translate && m_resource->GetFlags() & wxXRC_USE_LOCALE)
 746         return wxGetTranslation(str2);
 747     else
 748         return str2;
 749
 750 }
 751
 752
 753
 754 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
 755 {
 756     long value;
 757     wxString str1 = GetParamValue(param);
 758
 759     if (!str1.ToLong(&value))
 760         value = defaultv;
 761
 762     return value;
 763 }
 764
 765
 766
 767 int wxXmlResourceHandler::GetID()
 768 {
 769     wxString sid = GetName();
 770     long num;
 771
 772     if (sid == wxT("-1")) return -1;
 773     else if (sid.IsNumber() && sid.ToLong(&num)) return num;
 774 #define stdID(id) else if (sid == wxT(#id)) return id
 775     stdID(wxID_OPEN); stdID(wxID_CLOSE); stdID(wxID_NEW);
 776     stdID(wxID_SAVE); stdID(wxID_SAVEAS); stdID(wxID_REVERT);
 777     stdID(wxID_EXIT); stdID(wxID_UNDO); stdID(wxID_REDO);
 778     stdID(wxID_HELP); stdID(wxID_PRINT); stdID(wxID_PRINT_SETUP);
 779     stdID(wxID_PREVIEW); stdID(wxID_ABOUT); stdID(wxID_HELP_CONTENTS);
 780     stdID(wxID_HELP_COMMANDS); stdID(wxID_HELP_PROCEDURES);
 781     stdID(wxID_CUT); stdID(wxID_COPY); stdID(wxID_PASTE);
 782     stdID(wxID_CLEAR); stdID(wxID_FIND); stdID(wxID_DUPLICATE);
 783     stdID(wxID_SELECTALL); stdID(wxID_OK); stdID(wxID_CANCEL);
 784     stdID(wxID_APPLY); stdID(wxID_YES); stdID(wxID_NO);
 785     stdID(wxID_STATIC); stdID(wxID_FORWARD); stdID(wxID_BACKWARD);
 786     stdID(wxID_DEFAULT); stdID(wxID_MORE); stdID(wxID_SETUP);
 787     stdID(wxID_RESET); stdID(wxID_HELP_CONTEXT);
 788     stdID(wxID_CLOSE_ALL);
 789 #undef stdID
 790     else return wxXmlResource::GetXRCID(sid);
 791 }
 792
 793
 794
 795 wxString wxXmlResourceHandler::GetName()
 796 {
 797     return m_node->GetPropVal(wxT("name"), wxT("-1"));
 798 }
 799
 800
 801
 802 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
 803 {
 804     wxString v = GetParamValue(param);
 805     v.MakeLower();
 806     if (!v) return defaultv;
 807     else return (v == wxT("1"));
 808 }
 809
 810
 811
 812 wxColour wxXmlResourceHandler::GetColour(const wxString& param)
 813 {
 814     wxString v = GetParamValue(param);
 815     unsigned long tmp = 0;
 816
 817     if (v.Length() != 7 || v[0u] != wxT('#') ||
 818         wxSscanf(v.c_str(), wxT("#%lX"), &tmp) != 1)
 819     {
 820         wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
 821                    v.c_str(), param.c_str());
 822         return wxNullColour;
 823     }
 824
 825     return wxColour((unsigned char) ((tmp & 0xFF0000) >> 16) ,
 826                     (unsigned char) ((tmp & 0x00FF00) >> 8),
 827                     (unsigned char) ((tmp & 0x0000FF)));
 828 }
 829
 830
 831
 832 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
 833                                          const wxArtClient& defaultArtClient,
 834                                          wxSize size)
 835 {
 836     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
 837     wxXmlNode *bmpNode = GetParamNode(param);
 838     if ( bmpNode )
 839     {
 840         wxString sid = bmpNode->GetPropVal(wxT("stock_id"), wxEmptyString);
 841         if ( !sid.empty() )
 842         {
 843             wxString scl = bmpNode->GetPropVal(wxT("stock_client"), defaultArtClient);
 844             wxBitmap stockArt =
 845                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
 846                                          wxART_MAKE_CLIENT_ID_FROM_STR(scl),
 847                                          size);
 848             if ( stockArt.Ok() )
 849                 return stockArt;
 850         }
 851     }
 852
 853     /* ...or load the bitmap from file: */
 854     wxString name = GetParamValue(param);
 855     if (name.IsEmpty()) return wxNullBitmap;
 856 #if wxUSE_FILESYSTEM
 857     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name);
 858     if (fsfile == NULL)
 859     {
 860         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
 861         return wxNullBitmap;
 862     }
 863     wxImage img(*(fsfile->GetStream()));
 864     delete fsfile;
 865 #else
 866     wxImage img(GetParamValue(wxT("bitmap")));
 867 #endif
 868
 869     if (!img.Ok())
 870     {
 871         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
 872         return wxNullBitmap;
 873     }
 874     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
 875     return wxBitmap(img);
 876
 877 }
 878
 879
 880
 881 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
 882                                      const wxArtClient& defaultArtClient,
 883                                      wxSize size)
 884 {
 885 #if wxCHECK_VERSION(2,3,0) || defined(__WXMSW__)
 886     wxIcon icon;
 887     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
 888 #else
 889     wxIcon *iconpt;
 890     wxBitmap bmppt = GetBitmap(param, size);
 891     iconpt = (wxIcon*)(&bmppt);
 892     wxIcon icon(*iconpt);
 893 #endif
 894     return icon;
 895 }
 896
 897
 898
 899 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
 900 {
 901     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
 902
 903     wxXmlNode *n = m_node->GetChildren();
 904
 905     while (n)
 906     {
 907         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
 908             return n;
 909         n = n->GetNext();
 910     }
 911     return NULL;
 912 }
 913
 914
 915 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
 916 {
 917     wxXmlNode *n = node;
 918     if (n == NULL) return wxEmptyString;
 919     n = n->GetChildren();
 920
 921     while (n)
 922     {
 923         if (n->GetType() == wxXML_TEXT_NODE ||
 924             n->GetType() == wxXML_CDATA_SECTION_NODE)
 925             return n->GetContent();
 926         n = n->GetNext();
 927     }
 928     return wxEmptyString;
 929 }
 930
 931
 932
 933 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
 934 {
 935     if (param.IsEmpty())
 936         return GetNodeContent(m_node);
 937     else
 938         return GetNodeContent(GetParamNode(param));
 939 }
 940
 941
 942
 943 wxSize wxXmlResourceHandler::GetSize(const wxString& param)
 944 {
 945     wxString s = GetParamValue(param);
 946     if (s.IsEmpty()) s = wxT("-1,-1");
 947     bool is_dlg;
 948     long sx, sy;
 949
 950     is_dlg = s[s.Length()-1] == wxT('d');
 951     if (is_dlg) s.RemoveLast();
 952
 953     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
 954         !s.AfterLast(wxT(',')).ToLong(&sy))
 955     {
 956         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
 957         return wxDefaultSize;
 958     }
 959
 960     if (is_dlg)
 961     {
 962         if (m_instanceAsWindow)
 963             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, sy));
 964         else if (m_parentAsWindow)
 965             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
 966         else
 967         {
 968             wxLogError(_("Cannot convert dialog units: dialog unknown."));
 969             return wxDefaultSize;
 970         }
 971     }
 972     else return wxSize(sx, sy);
 973 }
 974
 975
 976
 977 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
 978 {
 979     wxSize sz = GetSize(param);
 980     return wxPoint(sz.x, sz.y);
 981 }
 982
 983
 984
 985 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param, wxCoord defaultv)
 986 {
 987     wxString s = GetParamValue(param);
 988     if (s.IsEmpty()) return defaultv;
 989     bool is_dlg;
 990     long sx;
 991
 992     is_dlg = s[s.Length()-1] == wxT('d');
 993     if (is_dlg) s.RemoveLast();
 994
 995     if (!s.ToLong(&sx))
 996     {
 997         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
 998         return defaultv;
 999     }
1000
1001     if (is_dlg)
1002     {
1003         if (m_instanceAsWindow)
1004             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, 0)).x;
1005         else if (m_parentAsWindow)
1006             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1007         else
1008         {
1009             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1010             return defaultv;
1011         }
1012     }
1013     else return sx;
1014 }
1015
1016
1017
1018 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1019 {
1020     wxXmlNode *font_node = GetParamNode(param);
1021     if (font_node == NULL)
1022     {
1023         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1024         return wxNullFont;
1025     }
1026
1027     wxXmlNode *oldnode = m_node;
1028     m_node = font_node;
1029
1030     long size = GetLong(wxT("size"), 12);
1031
1032     wxString style = GetParamValue(wxT("style"));
1033     wxString weight = GetParamValue(wxT("weight"));
1034     int istyle = wxNORMAL, iweight = wxNORMAL;
1035     if (style == wxT("italic")) istyle = wxITALIC;
1036     else if (style == wxT("slant")) istyle = wxSLANT;
1037     if (weight == wxT("bold")) iweight = wxBOLD;
1038     else if (weight == wxT("light")) iweight = wxLIGHT;
1039
1040     wxString family = GetParamValue(wxT("family"));
1041     int ifamily = wxDEFAULT;
1042          if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1043     else if (family == wxT("roman")) ifamily = wxROMAN;
1044     else if (family == wxT("script")) ifamily = wxSCRIPT;
1045     else if (family == wxT("swiss")) ifamily = wxSWISS;
1046     else if (family == wxT("modern")) ifamily = wxMODERN;
1047
1048     bool underlined = GetBool(wxT("underlined"), FALSE);
1049
1050     wxString encoding = GetParamValue(wxT("encoding"));
1051     wxFontMapper mapper;
1052     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1053     if (!encoding.IsEmpty())
1054         enc = mapper.CharsetToEncoding(encoding);
1055     if (enc == wxFONTENCODING_SYSTEM)
1056         enc = wxFONTENCODING_DEFAULT;
1057
1058     wxString faces = GetParamValue(wxT("face"));
1059     wxString facename = wxEmptyString;
1060     wxFontEnumerator enu;
1061     enu.EnumerateFacenames();
1062     wxStringTokenizer tk(faces, wxT(","));
1063     while (tk.HasMoreTokens())
1064     {
1065         int index = enu.GetFacenames()->Index(tk.GetNextToken(), FALSE);
1066         if (index != wxNOT_FOUND)
1067         {
1068             facename = (*enu.GetFacenames())[index];
1069             break;
1070         }
1071     }
1072
1073     m_node = oldnode;
1074
1075     wxFont font(size, ifamily, istyle, iweight, underlined, facename, enc);
1076     return font;
1077 }
1078
1079
1080 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1081 {
1082     //FIXME : add cursor
1083
1084     if (HasParam(wxT("exstyle")))
1085         wnd->SetExtraStyle(GetStyle(wxT("exstyle")));
1086     if (HasParam(wxT("bg")))
1087         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1088     if (HasParam(wxT("fg")))
1089         wnd->SetForegroundColour(GetColour(wxT("fg")));
1090     if (GetBool(wxT("enabled"), 1) == 0)
1091         wnd->Enable(FALSE);
1092     if (GetBool(wxT("focused"), 0) == 1)
1093         wnd->SetFocus();
1094     if (GetBool(wxT("hidden"), 0) == 1)
1095         wnd->Show(FALSE);
1096 #if wxUSE_TOOLTIPS
1097     if (HasParam(wxT("tooltip")))
1098         wnd->SetToolTip(GetText(wxT("tooltip")));
1099 #endif
1100     if (HasParam(wxT("font")))
1101         wnd->SetFont(GetFont());
1102 }
1103
1104
1105 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1106 {
1107     wxXmlNode *n = m_node->GetChildren();
1108
1109     while (n)
1110     {
1111         if (n->GetType() == wxXML_ELEMENT_NODE &&
1112            (n->GetName() == wxT("object") || n->GetName() == wxT("object_ref")))
1113         {
1114             if (this_hnd_only && CanHandle(n))
1115                 CreateResource(n, parent, NULL);
1116             else
1117                 m_resource->CreateResFromNode(n, parent, NULL);
1118         }
1119         n = n->GetNext();
1120     }
1121 }
1122
1123
1124 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1125 {
1126     wxXmlNode *root;
1127     if (rootnode == NULL) root = m_node; else root = rootnode;
1128     wxXmlNode *n = root->GetChildren();
1129
1130     while (n)
1131     {
1132         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1133         {
1134             CreateResource(n, parent, NULL);
1135         }
1136         n = n->GetNext();
1137     }
1138 }
1139
1140
1141
1142
1143
1144
1145
1146 // --------------- XRCID implementation -----------------------------
1147
1148 #define XRCID_TABLE_SIZE     1024
1149
1150
1151 struct XRCID_record
1152 {
1153     int id;
1154     wxChar *key;
1155     XRCID_record *next;
1156 };
1157
1158 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1159
1160 /*static*/ int wxXmlResource::GetXRCID(const wxChar *str_id)
1161 {
1162     static int XRCID_LastID = wxID_HIGHEST;
1163
1164     int index = 0;
1165
1166     for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (int)*c;
1167     index %= XRCID_TABLE_SIZE;
1168
1169     XRCID_record *oldrec = NULL;
1170     int matchcnt = 0;
1171     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1172     {
1173         if (wxStrcmp(rec->key, str_id) == 0)
1174         {
1175             return rec->id;
1176         }
1177         matchcnt++;
1178         oldrec = rec;
1179     }
1180
1181     XRCID_record **rec_var = (oldrec == NULL) ?
1182                               &XRCID_Records[index] : &oldrec->next;
1183     *rec_var = new XRCID_record;
1184     (*rec_var)->key = wxStrdup(str_id);
1185     (*rec_var)->next = NULL;
1186
1187     wxChar *end;
1188     int asint = wxStrtol(str_id, &end, 10);
1189     if (*str_id && *end == 0)
1190     {
1191         // if str_id was integer, keep it verbosely:
1192         (*rec_var)->id = asint;
1193     }
1194     else
1195     {
1196         (*rec_var)->id = ++XRCID_LastID;
1197     }
1198
1199     return (*rec_var)->id;
1200 }
1201
1202
1203 static void CleanXRCID_Record(XRCID_record *rec)
1204 {
1205     if (rec)
1206     {
1207         CleanXRCID_Record(rec->next);
1208         free(rec->key);
1209         delete rec;
1210     }
1211 }
1212
1213 static void CleanXRCID_Records()
1214 {
1215     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1216         CleanXRCID_Record(XRCID_Records[i]);
1217 }
1218
1219
1220
1221
1222
1223
1224
1225
1226 // --------------- module and globals -----------------------------
1227
1228 class wxXmlResourceModule: public wxModule
1229 {
1230 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1231 public:
1232     wxXmlResourceModule() {}
1233     bool OnInit()
1234     {
1235         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1236         return TRUE;
1237     }
1238     void OnExit()
1239     {
1240         delete wxXmlResource::Set(NULL);
1241         wxDELETE(wxXmlResource::ms_subclassFactories);
1242         CleanXRCID_Records();
1243     }
1244 };
1245
1246 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1247
1248
1249 // When wxXml is loaded dynamically after the application is already running
1250 // then the built-in module system won't pick this one up.  Add it manually.
1251 void wxXmlInitResourceModule()
1252 {
1253     wxModule* module = new wxXmlResourceModule;
1254     module->Init();
1255     wxModule::RegisterModule(module);
1256 }
1257
1258