src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   2 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   3 //
   4 //  This library is free software; you can redistribute it and/or
   5 //  modify it under the terms of the GNU Lesser General Public
   6 //  License as published by the Free Software Foundation; either
   7 //  version 2.1 of the License.
   8 //
   9 //  This library is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 //  Lesser General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU Lesser General Public
  15 //  License along with this library; if not, write to the Free Software
  16 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 //
  18 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  19
  20
  21 #include "SMESHGUI_VTKUtils.h"
  22 #include "SMESHGUI_Utils.h"
  23 #include "SMESHGUI_Filter.h"
  24
  25 #include <vtkRenderer.h>
  26 #include <vtkActorCollection.h>
  27
  28 #include <TColStd_IndexedMapOfInteger.hxx>
  29
  30 #include <SUIT_Desktop.h>
  31 #include <SUIT_Session.h>
  32 #include <SUIT_Study.h>
  33
  34 #include "LightApp_SelectionMgr.h"
  35
  36 #include "SVTK_Selector.h"
  37 #include "SVTK_ViewModel.h"
  38 #include "SVTK_ViewWindow.h"
  39
  40 #include "utilities.h"
  41
  42 #include "SALOMEconfig.h"
  43 #include CORBA_CLIENT_HEADER(SMESH_Gen)
  44 #include CORBA_CLIENT_HEADER(SMESH_Mesh)
  45 #include CORBA_CLIENT_HEADER(SMESH_Group)
  46 #include CORBA_CLIENT_HEADER(SMESH_Hypothesis)
  47
  48 #include "SMESHGUI.h"
  49 #include "SMESH_Actor.h"
  50 #include "SMESH_ObjectDef.h"
  51
  52 #include <SalomeApp_Application.h>
  53 #include <LightApp_SelectionMgr.h>
  54 #include <SalomeApp_Study.h>
  55
  56 #include <SALOMEDSClient_Study.hxx>
  57 #include <SALOMEDSClient_SObject.hxx>
  58
  59 #include <SALOME_ListIO.hxx>
  60 #include <SALOME_ListIteratorOfListIO.hxx>
  61
  62 #include <set>
  63 using namespace std;
  64
  65 namespace SMESH{
  66
  67   typedef map<TKeyOfVisualObj,TVisualObjPtr> TVisualObjCont;
  68   static TVisualObjCont VISUAL_OBJ_CONT;
  69
  70   TVisualObjPtr GetVisualObj(int theStudyId, const char* theEntry){
  71     TVisualObjPtr aVisualObj;
  72     try{
  73       TVisualObjCont::key_type aKey(theStudyId,theEntry);
  74       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
  75       if(anIter != VISUAL_OBJ_CONT.end()){
  76         aVisualObj = anIter->second;
  77       }else{
  78         SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SMESHGUI::activeStudy()->application() );
  79         _PTR(Study) aStudy = SMESHGUI::activeStudy()->studyDS();
  80         _PTR(SObject) aSObj = aStudy->FindObjectID(theEntry);
  81         if(aSObj){
  82           _PTR(GenericAttribute) anAttr;
  83           if(aSObj->FindAttribute(anAttr,"AttributeIOR")){
  84             _PTR(AttributeIOR) anIOR = anAttr;
  85             CORBA::String_var aVal = anIOR->Value().c_str();
  86             CORBA::Object_var anObj = app->orb()->string_to_object( aVal.in() );
  87             if(!CORBA::is_nil(anObj)){
  88               //Try narrow to SMESH_Mesh interafce
  89               SMESH::SMESH_Mesh_var aMesh = SMESH::SMESH_Mesh::_narrow(anObj);
  90               if(!aMesh->_is_nil()){
  91                 aVisualObj.reset(new SMESH_MeshObj(aMesh));
  92                 aVisualObj->Update();
  93                 TVisualObjCont::value_type aValue(aKey,aVisualObj);
  94                 VISUAL_OBJ_CONT.insert(aValue);
  95                 return aVisualObj;
  96               }
  97               //Try narrow to SMESH_Group interafce
  98               SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow(anObj);
  99               if(!aGroup->_is_nil()){
 100                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 101                 if(!aFatherSObj) return aVisualObj;
 102                 aFatherSObj = aFatherSObj->GetFather();
 103                 if(!aFatherSObj) return aVisualObj;
 104                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 105                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 106                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 107                   aVisualObj.reset(new SMESH_GroupObj(aGroup,aMeshObj));
 108                   aVisualObj->Update();
 109                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 110                   VISUAL_OBJ_CONT.insert(aValue);
 111                   return aVisualObj;
 112                 }
 113               }
 114               //Try narrow to SMESH_subMesh interafce
 115               SMESH::SMESH_subMesh_var aSubMesh = SMESH::SMESH_subMesh::_narrow(anObj);
 116               if(!aSubMesh->_is_nil()){
 117                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 118                 if(!aFatherSObj) return aVisualObj;
 119                 aFatherSObj = aFatherSObj->GetFather();
 120                 if(!aFatherSObj) return aVisualObj;
 121                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 122                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 123                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 124                   aVisualObj.reset(new SMESH_subMeshObj(aSubMesh,aMeshObj));
 125                   aVisualObj->Update();
 126                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 127                   VISUAL_OBJ_CONT.insert(aValue);
 128                   return aVisualObj;
 129                 }
 130               }
 131             }
 132           }
 133         }
 134       }
 135     }catch(...){
 136       INFOS("GetMeshObj - There is no SMESH_Mesh object for the SALOMEDS::Strudy and Entry!!!");
 137     }
 138     return aVisualObj;
 139   }
 140
 141
 142   SVTK_ViewWindow*
 143   GetViewWindow(const SalomeApp_Module* theModule)
 144   {
 145     if (SalomeApp_Application* anApp = theModule->getApp())
 146       return dynamic_cast<SVTK_ViewWindow*>(anApp->desktop()->activeWindow());
 147     return NULL;
 148   }
 149
 150   SVTK_ViewWindow* FindVtkViewWindow( SUIT_ViewManager* theMgr,
 151                                            SUIT_ViewWindow* theWindow )
 152   {
 153     if( !theMgr )
 154       return NULL;
 155
 156     QPtrVector<SUIT_ViewWindow> views = theMgr->getViews();
 157     if( views.containsRef( theWindow ) )
 158       return GetVtkViewWindow( theWindow );
 159     else
 160       return NULL;
 161   }
 162
 163
 164   SVTK_ViewWindow* GetVtkViewWindow(SUIT_ViewWindow* theWindow){
 165     return dynamic_cast<SVTK_ViewWindow*>(theWindow);
 166   }
 167
 168
 169 /*  SUIT_ViewWindow* GetActiveWindow()
 170   {
 171     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 172     if( !app )
 173       return NULL;
 174     SUIT_ViewManager* mgr = app->activeViewManager();
 175     if( mgr )
 176       return mgr->getActiveView();
 177     else
 178       return NULL;
 179   }*/
 180
 181   SVTK_ViewWindow* GetCurrentVtkView(){
 182     return GetVtkViewWindow( GetActiveWindow() );
 183   }
 184
 185   void RepaintViewWindow(SVTK_ViewWindow* theWindow)
 186   {
 187     theWindow->Repaint();
 188   }
 189
 190   void RenderViewWindow(SVTK_ViewWindow* theWindow)
 191   {
 192     theWindow->getRenderer()->Render();
 193     theWindow->Repaint();
 194   }
 195
 196   SMESH_Actor* FindActorByEntry(SUIT_ViewWindow *theWindow,
 197                                 const char* theEntry)
 198   {
 199     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
 200       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 201       vtkActorCollection *aCollection = aRenderer->GetActors();
 202       aCollection->InitTraversal();
 203       while(vtkActor *anAct = aCollection->GetNextActor()){
 204         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 205           if(anActor->hasIO()){
 206             Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 207             if(anIO->hasEntry() && strcmp(anIO->getEntry(),theEntry) == 0){
 208               return anActor;
 209             }
 210           }
 211         }
 212       }
 213     }
 214     return NULL;
 215   }
 216
 217
 218   SMESH_Actor* FindActorByEntry(const char* theEntry){
 219     return FindActorByEntry(GetActiveWindow(),theEntry);
 220   }
 221
 222
 223   SMESH_Actor* FindActorByObject(CORBA::Object_ptr theObject){
 224     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 225     if( !app )
 226       return NULL;
 227
 228     if(!CORBA::is_nil(theObject)){
 229       _PTR(Study) aStudy = GetActiveStudyDocument();
 230       CORBA::String_var anIOR = app->orb()->object_to_string( theObject );
 231       _PTR(SObject) aSObject = aStudy->FindObjectIOR(anIOR.in());
 232       if(aSObject){
 233         CORBA::String_var anEntry = aSObject->GetID().c_str();
 234         return FindActorByEntry(anEntry.in());
 235       }
 236     }
 237     return NULL;
 238   }
 239
 240
 241   SMESH_Actor* CreateActor(_PTR(Study) theStudy,
 242                            const char* theEntry,
 243                            int theIsClear)
 244   {
 245     SMESH_Actor *anActor = NULL;
 246     CORBA::Long anId = theStudy->StudyId();
 247     if(TVisualObjPtr aVisualObj = GetVisualObj(anId,theEntry)){
 248       _PTR(SObject) aSObj = theStudy->FindObjectID(theEntry);
 249       if(aSObj){
 250         _PTR(GenericAttribute) anAttr;
 251         if(aSObj->FindAttribute(anAttr,"AttributeName")){
 252           _PTR(AttributeName) aName = anAttr;
 253           std::string aNameVal = aName->Value();
 254           anActor = SMESH_Actor::New(aVisualObj,theEntry,aNameVal.c_str(),theIsClear);
 255         }
 256       }
 257     }
 258     return anActor;
 259   }
 260
 261
 262   void DisplayActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 263     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 264       vtkWnd->AddActor(theActor);
 265       vtkWnd->Repaint();
 266     }
 267   }
 268
 269
 270   void RemoveActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 271     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 272       vtkWnd->RemoveActor(theActor);
 273       if(theActor->hasIO()){
 274         Handle(SALOME_InteractiveObject) anIO = theActor->getIO();
 275         if(anIO->hasEntry()){
 276           std::string anEntry = anIO->getEntry();
 277           SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 278           int aStudyId = aStudy->id();
 279           TVisualObjCont::key_type aKey(aStudyId,anEntry);
 280           VISUAL_OBJ_CONT.erase(aKey);
 281         }
 282       }
 283       theActor->Delete();
 284       vtkWnd->Repaint();
 285     }
 286   }
 287
 288
 289   void FitAll(){
 290     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() ){
 291       wnd->onFitAll();
 292       wnd->Repaint();
 293     }
 294   }
 295
 296   vtkRenderer* GetCurrentRenderer(){
 297     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() )
 298       return wnd->getRenderer();
 299     return NULL;
 300   }
 301
 302   void RepaintCurrentView(){
 303     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() )
 304       {
 305         wnd->getRenderer()->Render();
 306         wnd->Repaint(false);
 307       }
 308   }
 309
 310   void UpdateView(SUIT_ViewWindow *theWnd, EDisplaing theAction, const char* theEntry)
 311   {
 312     if(SVTK_ViewWindow* aViewWnd = GetVtkViewWindow(theWnd)){
 313       vtkRenderer *aRenderer = aViewWnd->getRenderer();
 314       vtkActorCollection *aCollection = aRenderer->GetActors();
 315       aCollection->InitTraversal();
 316       switch(theAction){
 317       case eDisplayAll: {
 318         while(vtkActor *anAct = aCollection->GetNextActor()){
 319           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 320             anActor->SetVisibility(true);
 321           }
 322         }
 323         break;
 324       }
 325       case eDisplayOnly:
 326       case eEraseAll: {
 327         while(vtkActor *anAct = aCollection->GetNextActor()){
 328           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 329             anActor->SetVisibility(false);
 330           }
 331         }
 332       }
 333       default: {
 334         if(SMESH_Actor *anActor = FindActorByEntry(theWnd,theEntry)){
 335           switch(theAction) {
 336             case eDisplay:
 337             case eDisplayOnly:
 338               anActor->SetVisibility(true);
 339               if (theAction == eDisplayOnly) aRenderer->ResetCameraClippingRange();
 340               break;
 341             case eErase:
 342               anActor->SetVisibility(false);
 343               break;
 344           }
 345         } else {
 346           switch(theAction){
 347           case eDisplay:
 348           case eDisplayOnly:{
 349             SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( theWnd->getViewManager()->study() );
 350             _PTR(Study) aDocument = aStudy->studyDS();
 351             if((anActor = CreateActor(aDocument,theEntry,true))) {
 352               DisplayActor(theWnd,anActor);
 353               FitAll();
 354             }
 355             break;
 356           }
 357           }
 358         }
 359       }
 360       }
 361     }
 362   }
 363
 364
 365   void UpdateView(EDisplaing theAction, const char* theEntry){
 366     SalomeApp_Study* aStudy = dynamic_cast< SalomeApp_Study* >( GetActiveStudy() );
 367     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( aStudy->application() );
 368     SUIT_ViewWindow *aWnd = app->activeViewManager()->getActiveView();
 369     UpdateView(aWnd,theAction,theEntry);
 370   }
 371
 372   void UpdateView(){
 373     if(SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView()){
 374       LightApp_SelectionMgr* mgr = SMESHGUI::selectionMgr();
 375       SALOME_ListIO selected; mgr->selectedObjects( selected );
 376
 377       if( selected.Extent() == 0){
 378         vtkRenderer* aRenderer = aWnd->getRenderer();
 379         vtkActorCollection *aCollection = aRenderer->GetActors();
 380         aCollection->InitTraversal();
 381         while(vtkActor *anAct = aCollection->GetNextActor()){
 382           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 383             if(anActor->hasIO())
 384               Update(anActor->getIO(),anActor->GetVisibility());
 385           }
 386         }
 387       }else{
 388         SALOME_ListIteratorOfListIO anIter( selected );
 389         for(; anIter.More(); anIter.Next()){
 390           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 391           Update(anIO,true);
 392         }
 393       }
 394       RepaintCurrentView();
 395     }
 396   }
 397
 398
 399   void Update(const Handle(SALOME_InteractiveObject)& theIO,
 400               bool theDisplay)
 401   {
 402     _PTR(Study) aStudy = GetActiveStudyDocument();
 403     CORBA::Long anId = aStudy->StudyId();
 404     TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry());
 405     if( aVisualObj )
 406       aVisualObj->Update();
 407     if ( theDisplay )
 408       UpdateView(SMESH::eDisplay,theIO->getEntry());
 409   }
 410
 411
 412   void UpdateSelectionProp( SMESHGUI* theModule ) {
 413     if( !theModule )
 414       return;
 415
 416     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 417     if( !app )
 418     {
 419       MESSAGE( "UpdateSelectionProp: Application is null" );
 420       return;
 421     }
 422
 423     SUIT_ViewManager* vm = app->activeViewManager();
 424     if( !vm )
 425     {
 426       MESSAGE( "UpdateSelectionProp: View manager is null" );
 427       return;
 428     }
 429
 430     QPtrVector<SUIT_ViewWindow> views = vm->getViews();
 431
 432     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 433     if( !mgr )
 434     {
 435       MESSAGE( "UpdateSelectionProp: Resource manager is null" );
 436       return;
 437     }
 438
 439     QColor aHiColor = mgr->colorValue( "SMESH", "selection_object_color", Qt::white ),
 440            aSelColor = mgr->colorValue( "SMESH", "selection_element_color", Qt::yellow ),
 441            aPreColor = mgr->colorValue( "SMESH", "highlight_color", Qt::cyan );
 442
 443     int SW = mgr->integerValue( "SMESH", "selection_width", 5 ),
 444         PW = mgr->integerValue( "SMESH", "highlight_width", 5 );
 445
 446     double SP1 = mgr->doubleValue( "SMESH", "selection_precision_node", 0.025 ),
 447            SP2 = mgr->doubleValue( "SMESH", "selection_precision_element", 0.001 );
 448
 449     for ( int i=0, n=views.count(); i<n; i++ ){
 450       // update VTK viewer properties
 451       if(SVTK_ViewWindow* aVtkView = GetVtkViewWindow( views[i] )){
 452         // mesh element selection
 453         aVtkView->SetSelectionProp(aSelColor.red()/255.,
 454                                    aSelColor.green()/255.,
 455                                    aSelColor.blue()/255.,
 456                                    SW );
 457         // tolerances
 458         aVtkView->SetSelectionTolerance(SP1, SP2);
 459
 460         // pre-selection
 461         aVtkView->SetPreselectionProp(aPreColor.red()/255.,
 462                                       aPreColor.green()/255.,
 463                                       aPreColor.blue()/255.,
 464                                       PW);
 465         // update actors
 466         vtkRenderer* aRenderer = aVtkView->getRenderer();
 467         vtkActorCollection *aCollection = aRenderer->GetActors();
 468         aCollection->InitTraversal();
 469         while(vtkActor *anAct = aCollection->GetNextActor()){
 470           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 471             anActor->SetHighlightColor(aHiColor.red()/255.,
 472                                        aHiColor.green()/255.,
 473                                        aHiColor.blue()/255.);
 474             anActor->SetPreHighlightColor(aPreColor.red()/255.,
 475                                           aPreColor.green()/255.,
 476                                           aPreColor.blue()/255.);
 477           }
 478         }
 479       }
 480     }
 481   }
 482
 483
 484   //----------------------------------------------------------------------------
 485   SVTK_Selector*
 486   GetSelector(SUIT_ViewWindow *theWindow)
 487   {
 488     if(SVTK_ViewWindow* aWnd = GetVtkViewWindow(theWindow))
 489       return aWnd->GetSelector();
 490
 491     return NULL;
 492   }
 493
 494   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
 495                  SVTK_Selector* theSelector)
 496   {
 497     if (theSelector)
 498       theSelector->SetFilter(theFilter);
 499   }
 500
 501   Handle(VTKViewer_Filter) GetFilter(int theId, SVTK_Selector* theSelector)
 502   {
 503     return theSelector->GetFilter(theId);
 504   }
 505
 506   bool IsFilterPresent(int theId, SVTK_Selector* theSelector)
 507   {
 508     return theSelector->IsFilterPresent(theId);
 509   }
 510
 511   void RemoveFilter(int theId, SVTK_Selector* theSelector)
 512   {
 513     theSelector->RemoveFilter(theId);
 514   }
 515
 516   void RemoveFilters(SVTK_Selector* theSelector)
 517   {
 518     for ( int id = SMESHGUI_NodeFilter; theSelector && id < SMESHGUI_LastFilter; id++ )
 519       theSelector->RemoveFilter( id );
 520   }
 521
 522   bool IsValid(SALOME_Actor* theActor, int theCellId,
 523                SVTK_Selector* theSelector)
 524   {
 525     return theSelector->IsValid(theActor,theCellId);
 526   }
 527
 528
 529   //----------------------------------------------------------------------------
 530   void SetPointRepresentation(bool theIsVisible){
 531     if(SVTK_ViewWindow* aViewWindow = GetCurrentVtkView()){
 532       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 533       vtkActorCollection *aCollection = aRenderer->GetActors();
 534       aCollection->InitTraversal();
 535       while(vtkActor *anAct = aCollection->GetNextActor()){
 536         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 537           if(anActor->GetVisibility()){
 538             anActor->SetPointRepresentation(theIsVisible);
 539           }
 540         }
 541       }
 542       RepaintCurrentView();
 543     }
 544   }
 545
 546
 547   void SetPickable(SMESH_Actor* theActor){
 548     if(SVTK_ViewWindow* aWnd = GetCurrentVtkView()){
 549       int anIsAllPickable = (theActor == NULL);
 550       vtkRenderer *aRenderer = aWnd->getRenderer();
 551       vtkActorCollection *aCollection = aRenderer->GetActors();
 552       aCollection->InitTraversal();
 553       while(vtkActor *anAct = aCollection->GetNextActor()){
 554         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
 555           if(anActor->GetVisibility()){
 556             anActor->SetPickable(anIsAllPickable);
 557           }
 558         }
 559       }
 560       if(theActor)
 561         theActor->SetPickable(!anIsAllPickable);
 562       RepaintCurrentView();
 563     }
 564   }
 565
 566
 567   //----------------------------------------------------------------------------
 568   int GetNameOfSelectedNodes(SVTK_Selector* theSelector,
 569                              const Handle(SALOME_InteractiveObject)& theIO,
 570                              QString& theName)
 571   {
 572     theName = "";
 573     TColStd_IndexedMapOfInteger aMapIndex;
 574     theSelector->GetIndex(theIO,aMapIndex);
 575
 576     for(int i = 1; i <= aMapIndex.Extent(); i++)
 577       theName += QString(" %1").arg(aMapIndex(i));
 578
 579     return aMapIndex.Extent();
 580   }
 581
 582   int GetNameOfSelectedElements(SVTK_Selector* theSelector,
 583                                 const Handle(SALOME_InteractiveObject)& theIO,
 584                                 QString& theName)
 585   {
 586     theName = "";
 587     TColStd_IndexedMapOfInteger aMapIndex;
 588     theSelector->GetIndex(theIO,aMapIndex);
 589
 590     typedef std::set<int> TIdContainer;
 591     TIdContainer anIdContainer;
 592     for( int i = 1; i <= aMapIndex.Extent(); i++)
 593       anIdContainer.insert(aMapIndex(i));
 594
 595     TIdContainer::const_iterator anIter = anIdContainer.begin();
 596     for(; anIter != anIdContainer.end(); anIter++)
 597       theName += QString(" %1").arg(*anIter);
 598
 599     return aMapIndex.Extent();
 600   }
 601
 602
 603   int GetEdgeNodes(SVTK_Selector* theSelector,
 604                    const TVisualObjPtr& theVisualObject,
 605                    int& theId1,
 606                    int& theId2)
 607   {
 608     const SALOME_ListIO& selected = theSelector->StoredIObjects();
 609
 610     if ( selected.Extent() != 1 )
 611       return -1;
 612
 613     Handle(SALOME_InteractiveObject) anIO = selected.First();
 614     if ( anIO.IsNull() || !anIO->hasEntry() )
 615       return -1;
 616
 617     TColStd_IndexedMapOfInteger aMapIndex;
 618     theSelector->GetIndex( anIO, aMapIndex );
 619     if ( aMapIndex.Extent() != 2 )
 620       return -1;
 621
 622     int anObjId = -1, anEdgeNum = -1;
 623     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
 624       int aVal = aMapIndex( i );
 625       if ( aVal > 0 )
 626         anObjId = aVal;
 627       else
 628         anEdgeNum = abs( aVal ) - 1;
 629     }
 630
 631     if ( anObjId == -1 || anEdgeNum == -1 )
 632       return -1;
 633
 634     return theVisualObject->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
 635   }
 636
 637   //----------------------------------------------------------------------------
 638   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr,
 639                              const Handle(SALOME_InteractiveObject)& theIO,
 640                              QString& theName)
 641   {
 642     theName = "";
 643     if(theIO->hasEntry()){
 644       if(FindActorByEntry(theIO->getEntry())){
 645         TColStd_IndexedMapOfInteger aMapIndex;
 646         theMgr->GetIndexes(theIO,aMapIndex);
 647         for(int i = 1; i <= aMapIndex.Extent(); i++){
 648           theName += QString(" %1").arg(aMapIndex(i));
 649         }
 650         return aMapIndex.Extent();
 651       }
 652     }
 653     return -1;
 654   }
 655
 656   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr, QString& theName){
 657     theName = "";
 658     SALOME_ListIO selected; theMgr->selectedObjects( selected );
 659     if(selected.Extent() == 1){
 660       Handle(SALOME_InteractiveObject) anIO = selected.First();
 661       return GetNameOfSelectedNodes(theMgr,anIO,theName);
 662     }
 663     return -1;
 664   }
 665
 666
 667   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr,
 668                                 const Handle(SALOME_InteractiveObject)& theIO,
 669                                 QString& theName)
 670   {
 671     theName = "";
 672     if(theIO->hasEntry()){
 673       if(FindActorByEntry(theIO->getEntry())){
 674         TColStd_IndexedMapOfInteger aMapIndex;
 675         theMgr->GetIndexes(theIO,aMapIndex);
 676         typedef set<int> TIdContainer;
 677         TIdContainer anIdContainer;
 678         for( int i = 1; i <= aMapIndex.Extent(); i++)
 679           anIdContainer.insert(aMapIndex(i));
 680         TIdContainer::const_iterator anIter = anIdContainer.begin();
 681         for(; anIter != anIdContainer.end(); anIter++){
 682           theName += QString(" %1").arg(*anIter);
 683         }
 684         return aMapIndex.Extent();
 685       }
 686     }
 687     return -1;
 688   }
 689
 690
 691   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr, QString& theName)
 692   {
 693     theName = "";
 694     SALOME_ListIO selected; theMgr->selectedObjects( selected );
 695
 696     if( selected.Extent() == 1){
 697       Handle(SALOME_InteractiveObject) anIO = selected.First();
 698       return GetNameOfSelectedElements(theMgr,anIO,theName);
 699     }
 700     return -1;
 701   }
 702
 703   int GetSelected(LightApp_SelectionMgr*       theMgr,
 704                   TColStd_IndexedMapOfInteger& theMap,
 705                   const bool                   theIsElement)
 706   {
 707     theMap.Clear();
 708     SALOME_ListIO selected; theMgr->selectedObjects( selected );
 709
 710     if ( selected.Extent() == 1 )
 711     {
 712       Handle(SALOME_InteractiveObject) anIO = selected.First();
 713       if ( anIO->hasEntry() ) {
 714         theMgr->GetIndexes( anIO, theMap );
 715       }
 716     }
 717     return theMap.Extent();
 718   }
 719
 720
 721   int GetEdgeNodes( LightApp_SelectionMgr* theMgr, int& theId1, int& theId2 )
 722   {
 723     SALOME_ListIO selected; theMgr->selectedObjects( selected );
 724
 725     if ( selected.Extent() != 1 )
 726       return -1;
 727
 728     Handle(SALOME_InteractiveObject) anIO = selected.First();
 729     if ( anIO.IsNull() || !anIO->hasEntry() )
 730       return -1;
 731
 732     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
 733     if ( anActor == 0 )
 734       return -1;
 735
 736     TColStd_IndexedMapOfInteger aMapIndex;
 737     theMgr->GetIndexes( anIO, aMapIndex );
 738     if ( aMapIndex.Extent() != 2 )
 739       return -1;
 740
 741     int anObjId = -1, anEdgeNum = -1;
 742     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
 743       int aVal = aMapIndex( i );
 744       if ( aVal > 0 )
 745         anObjId = aVal;
 746       else
 747         anEdgeNum = abs( aVal );
 748     }
 749
 750     if ( anObjId == -1 || anEdgeNum == -1 )
 751       return -1;
 752
 753     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
 754   }
 755
 756   void SetControlsPrecision( const long theVal )
 757   {
 758     if( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView() )
 759     {
 760       vtkRenderer *aRenderer = aWnd->getRenderer();
 761       vtkActorCollection *aCollection = aRenderer->GetActors();
 762       aCollection->InitTraversal();
 763
 764       while ( vtkActor *anAct = aCollection->GetNextActor())
 765       {
 766         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
 767         {
 768           anActor->SetControlsPrecision( theVal );
 769           anActor->SetControlMode( anActor->GetControlMode() );
 770         }
 771       }
 772
 773     }
 774   }
 775 }