src/PartSet/PartSet_Module.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 #include "PartSet_Module.h"
   4 #include "PartSet_WidgetSketchLabel.h"
   5 #include "PartSet_Validators.h"
   6 #include "PartSet_Tools.h"
   7 #include "PartSet_WidgetPoint2d.h"
   8 #include "PartSet_WidgetPoint2dDistance.h"
   9 #include "PartSet_WidgetShapeSelector.h"
  10 #include "PartSet_WidgetPoint2dAngle.h"
  11 #include "PartSet_WidgetMultiSelector.h"
  12 #include "PartSet_WidgetEditor.h"
  13 #include "PartSet_WidgetFileSelector.h"
  14 #include "PartSet_WidgetSketchCreator.h"
  15 #include "PartSet_SketcherMgr.h"
  16 #include "PartSet_MenuMgr.h"
  17 #include "PartSet_CustomPrs.h"
  18 #include "PartSet_IconFactory.h"
  19
  20 #include "PartSet_Filters.h"
  21 #include "PartSet_FilterInfinite.h"
  22
  23 #include <PartSetPlugin_Remove.h>
  24 #include <PartSetPlugin_Part.h>
  25 #include <PartSetPlugin_Duplicate.h>
  26
  27 #include <ModuleBase_Operation.h>
  28 #include <ModuleBase_OperationAction.h>
  29 #include <ModuleBase_IViewer.h>
  30 #include <ModuleBase_IViewWindow.h>
  31 #include <ModuleBase_IPropertyPanel.h>
  32 #include <ModuleBase_WidgetEditor.h>
  33 #include <ModuleBase_WidgetValidated.h>
  34 #include <ModuleBase_FilterFactory.h>
  35 #include <ModuleBase_Tools.h>
  36 #include <ModuleBase_OperationFeature.h>
  37
  38 #include <GeomValidators_ShapeType.h>
  39 #include <GeomValidators_Face.h>
  40 #include <GeomValidators_ConstructionComposite.h>
  41 #include <GeomValidators_ZeroOffset.h>
  42 #include <GeomValidators_BooleanArguments.h>
  43 #include <GeomValidators_Different.h>
  44
  45
  46 #include <ModelAPI_Object.h>
  47 #include <ModelAPI_Events.h>
  48 #include <ModelAPI_Validator.h>
  49 #include <ModelAPI_Data.h>
  50 #include <ModelAPI_Session.h>
  51 #include <ModelAPI_ShapeValidator.h>
  52 #include <ModelAPI_ResultBody.h>
  53
  54 #include <GeomDataAPI_Point2D.h>
  55 #include <GeomDataAPI_Point.h>
  56 #include <GeomDataAPI_Dir.h>
  57
  58 #include <XGUI_Displayer.h>
  59 #include <XGUI_Workshop.h>
  60 #include <XGUI_OperationMgr.h>
  61 #include <XGUI_PropertyPanel.h>
  62 #include <XGUI_ModuleConnector.h>
  63 #include <XGUI_ContextMenuMgr.h>
  64 #include <XGUI_Tools.h>
  65 #include <XGUI_ObjectsBrowser.h>
  66 #include <XGUI_SelectionMgr.h>
  67 #include <XGUI_DataModel.h>
  68
  69 #include <SketchPlugin_Feature.h>
  70 #include <SketchPlugin_Sketch.h>
  71 #include <SketchPlugin_Line.h>
  72 #include <SketchPlugin_Arc.h>
  73 #include <SketchPlugin_Circle.h>
  74 #include <SketchPlugin_Point.h>
  75 #include <SketchPlugin_ConstraintAngle.h>
  76 #include <SketchPlugin_ConstraintLength.h>
  77 #include <SketchPlugin_ConstraintDistance.h>
  78 #include <SketchPlugin_ConstraintParallel.h>
  79 #include <SketchPlugin_ConstraintPerpendicular.h>
  80 #include <SketchPlugin_ConstraintRadius.h>
  81
  82 #include <SketcherPrs_SymbolPrs.h>
  83 #include <SketcherPrs_Tools.h>
  84
  85 #include <Events_Loop.h>
  86 #include <Config_PropManager.h>
  87 #include <Config_Keywords.h>
  88
  89 #include <StdSelect_TypeOfFace.hxx>
  90 #include <TopoDS_Vertex.hxx>
  91 #include <TopoDS.hxx>
  92 #include <TopoDS_Shape.hxx>
  93 #include <BRep_Tool.hxx>
  94 #include <AIS_Dimension.hxx>
  95
  96 #include <QObject>
  97 #include <QMouseEvent>
  98 #include <QString>
  99 #include <QTimer>
 100 #include <QApplication>
 101 #include <QMessageBox>
 102 #include <QMainWindow>
 103 #include <QLineEdit>
 104
 105 #include <GeomAlgoAPI_FaceBuilder.h>
 106 #include <GeomDataAPI_Dir.h>
 107
 108 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
 109
 110 #ifdef _DEBUG
 111 #include <QDebug>
 112 #endif
 113
 114 /*!Create and return new instance of XGUI_Module*/
 115 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
 116 {
 117   return new PartSet_Module(theWshop);
 118 }
 119
 120 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
 121   : ModuleBase_IModule(theWshop),
 122   myRestartingMode(RM_None), myVisualLayerId(0)
 123 {
 124   new PartSet_IconFactory();
 125
 126   mySketchMgr = new PartSet_SketcherMgr(this);
 127   myDataModel = new PartSet_DocumentDataModel(this);
 128
 129   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
 130   XGUI_Workshop* aWorkshop = aConnector->workshop();
 131
 132   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 133   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
 134   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
 135           this, SLOT(onOperationActivatedByPreselection()));
 136
 137   ModuleBase_IViewer* aViewer = theWshop->viewer();
 138   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 139           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 140   connect(aViewer, SIGNAL(viewTransformed(int)),
 141           SLOT(onViewTransformed(int)));
 142   connect(aViewer, SIGNAL(viewCreated(ModuleBase_IViewWindow*)),
 143           SLOT(onViewCreated(ModuleBase_IViewWindow*)));
 144
 145   myMenuMgr = new PartSet_MenuMgr(this);
 146   myCustomPrs = new PartSet_CustomPrs(theWshop);
 147
 148   Events_Loop* aLoop = Events_Loop::loop();
 149   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED));
 150
 151   mySelectionFilters.Append(new PartSet_GlobalFilter(myWorkshop));
 152   mySelectionFilters.Append(new PartSet_FilterInfinite(myWorkshop));
 153 }
 154
 155 PartSet_Module::~PartSet_Module()
 156 {
 157   SelectMgr_ListIteratorOfListOfFilter aIt(mySelectionFilters);
 158   for (; aIt.More(); aIt.Next()) {
 159     Handle(SelectMgr_Filter) aFilter = aIt.Value();
 160     if (!aFilter.IsNull())
 161       aFilter.Nullify();
 162   }
 163   delete myCustomPrs;
 164 }
 165
 166 void PartSet_Module::activateSelectionFilters()
 167 {
 168   SelectMgr_ListIteratorOfListOfFilter aIt(mySelectionFilters);
 169   for (; aIt.More(); aIt.Next()) {
 170     Handle(SelectMgr_Filter) aFilter = aIt.Value();
 171     if (!aFilter.IsNull())
 172       myWorkshop->viewer()->addSelectionFilter(aFilter);
 173   }
 174 }
 175
 176 void PartSet_Module::deactivateSelectionFilters()
 177 {
 178   SelectMgr_ListIteratorOfListOfFilter aIt(mySelectionFilters);
 179   for (; aIt.More(); aIt.Next()) {
 180     Handle(SelectMgr_Filter) aFilter = aIt.Value();
 181     if (!aFilter.IsNull())
 182       myWorkshop->viewer()->removeSelectionFilter(aFilter);
 183   }
 184 }
 185
 186 void PartSet_Module::registerValidators()
 187 {
 188   //Registering of validators
 189   SessionPtr aMgr = ModelAPI_Session::get();
 190   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 191   aFactory->registerValidator("PartSet_DistanceSelection", new PartSet_DistanceSelection);
 192   aFactory->registerValidator("PartSet_LengthSelection", new PartSet_LengthSelection);
 193   aFactory->registerValidator("PartSet_PerpendicularSelection", new PartSet_PerpendicularSelection);
 194   aFactory->registerValidator("PartSet_ParallelSelection", new PartSet_ParallelSelection);
 195   aFactory->registerValidator("PartSet_RadiusSelection", new PartSet_RadiusSelection);
 196   aFactory->registerValidator("PartSet_RigidSelection", new PartSet_RigidSelection);
 197   aFactory->registerValidator("PartSet_CoincidentSelection", new PartSet_CoincidentSelection);
 198   aFactory->registerValidator("PartSet_HVDirSelection", new PartSet_HVDirSelection);
 199   aFactory->registerValidator("PartSet_TangentSelection", new PartSet_TangentSelection);
 200   aFactory->registerValidator("PartSet_FilletSelection", new PartSet_FilletSelection);
 201   aFactory->registerValidator("PartSet_AngleSelection", new PartSet_AngleSelection);
 202
 203   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 204   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 205
 206   aFactory->registerValidator("PartSet_CoincidentAttr", new PartSet_CoincidentAttr);
 207
 208   aFactory->registerValidator("GeomValidators_ShapeType", new GeomValidators_ShapeType);
 209   aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
 210
 211   aFactory->registerValidator("GeomValidators_ConstructionComposite",
 212                               new GeomValidators_ConstructionComposite);
 213
 214   aFactory->registerValidator("GeomValidators_ZeroOffset",
 215                               new GeomValidators_ZeroOffset);
 216
 217   aFactory->registerValidator("GeomValidators_BooleanArguments",
 218                               new GeomValidators_BooleanArguments);
 219
 220   aFactory->registerValidator("PartSet_SketchEntityValidator",
 221                               new PartSet_SketchEntityValidator);
 222
 223   aFactory->registerValidator("PartSet_SameTypeAttr",
 224                               new PartSet_SameTypeAttrValidator);
 225
 226   aFactory->registerValidator("GeomValidators_Different",
 227                               new GeomValidators_Different);
 228 }
 229
 230 void PartSet_Module::registerFilters()
 231 {
 232   //Registering of selection filters
 233   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 234   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 235 }
 236
 237 void PartSet_Module::registerProperties()
 238 {
 239   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 240                                    PLANE_SIZE);
 241   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 242                                    Config_Prop::Integer, SKETCH_WIDTH);
 243 }
 244
 245 void PartSet_Module::onOperationCommitted(ModuleBase_Operation* theOperation)
 246 {
 247   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 248     mySketchMgr->commitNestedSketch(theOperation);
 249   }
 250
 251   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 252   if (!aFOperation || aFOperation->isEditOperation())
 253     return;
 254   // the selection is cleared after commit the create operation
 255   // in order to do not use the same selected objects in the restarted operation
 256   // for common behaviour, the selection is cleared even if the operation is not restarted
 257   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 258   XGUI_Workshop* aWorkshop = aConnector->workshop();
 259   aWorkshop->selector()->clearSelection();
 260
 261   /// Restart sketcher operations automatically
 262   FeaturePtr aFeature = aFOperation->feature();
 263   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 264             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 265   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 266                      myRestartingMode == RM_EmptyFeatureUsed)) {
 267     myLastOperationId = aFOperation->id();
 268     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? aFOperation->feature() : FeaturePtr();
 269
 270     launchOperation(myLastOperationId);
 271   }
 272   breakOperationSequence();
 273 }
 274
 275 void PartSet_Module::breakOperationSequence()
 276 {
 277   myLastOperationId = "";
 278   myLastFeature = FeaturePtr();
 279   myRestartingMode = RM_None;
 280 }
 281
 282 void PartSet_Module::onOperationAborted(ModuleBase_Operation* theOperation)
 283 {
 284   breakOperationSequence();
 285 }
 286
 287 void PartSet_Module::onOperationStarted(ModuleBase_Operation* theOperation)
 288 {
 289   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 290     mySketchMgr->startSketch(theOperation);
 291   }
 292   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 293     mySketchMgr->startNestedSketch(theOperation);
 294   }
 295
 296   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 297   if (aFOperation)
 298     myCustomPrs->activate(aFOperation->feature());
 299 }
 300
 301 void PartSet_Module::onOperationStopped(ModuleBase_Operation* theOperation)
 302 {
 303   myCustomPrs->deactivate();
 304
 305   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 306     mySketchMgr->stopSketch(theOperation);
 307   }
 308   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 309     mySketchMgr->stopNestedSketch(theOperation);
 310   }
 311 }
 312
 313 ModuleBase_Operation* PartSet_Module::currentOperation() const
 314 {
 315   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 316   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 317   return anOpMgr->currentOperation();
 318 }
 319
 320 bool PartSet_Module::canUndo() const
 321 {
 322   bool aCanUndo = false;
 323   SessionPtr aMgr = ModelAPI_Session::get();
 324   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 325     aCanUndo = !aMgr->isOperation();
 326     if (!aCanUndo) // check the enable state additionally by sketch manager
 327       aCanUndo = aMgr->canUndo();
 328   }
 329   return aCanUndo;
 330 }
 331
 332 bool PartSet_Module::canRedo() const
 333 {
 334   bool aCanRedo = false;
 335   SessionPtr aMgr = ModelAPI_Session::get();
 336   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 337     aCanRedo = !aMgr->isOperation();
 338     if (!aCanRedo) // check the enable state additionally by sketch manager
 339       aCanRedo = aMgr->canRedo();
 340   }
 341   return aCanRedo;
 342 }
 343
 344 bool PartSet_Module::canApplyAction(const ObjectPtr& theObject, const QString& theActionId) const
 345 {
 346   bool aValid = true;
 347   if (theActionId == "DELETE_CMD" || theActionId == "MOVE_CMD") {
 348     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 349     if (aFeature) {
 350       // part features are removed in the PartSet module only.
 351       if (aFeature->getKind() == PartSetPlugin_Part::ID())
 352         aValid = false;
 353     }
 354   }
 355   return aValid;
 356 }
 357
 358 bool PartSet_Module::canCommitOperation() const
 359 {
 360   return mySketchMgr->canCommitOperation();
 361 }
 362
 363 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 364 {
 365   // the sketch manager put the restriction to the objects display
 366   return mySketchMgr->canDisplayObject(theObject);
 367 }
 368
 369 bool PartSet_Module::canActivateSelection(const ObjectPtr& theObject) const
 370 {
 371   bool aCanActivate = ModuleBase_IModule::canActivateSelection(theObject);
 372
 373   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 374   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 375        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 376   if (isSketchOp || isNestedOp) {
 377     // in active sketch operation it is possible to activate operation object in selection
 378     // in the edit operation, e.g. points of the line can be moved when the line is edited
 379     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(anOperation);
 380     aCanActivate = aCanActivate || (aFOperation && aFOperation->isEditOperation());
 381   }
 382   return aCanActivate;
 383 }
 384
 385 bool PartSet_Module::addViewerMenu(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
 386 {
 387   return myMenuMgr->addViewerMenu(theMenu, theStdActions);
 388 }
 389
 390 void PartSet_Module::updateViewerMenu(const QMap<QString, QAction*>& theStdActions)
 391 {
 392   myMenuMgr->updateViewerMenu(theStdActions);
 393 }
 394
 395
 396 void PartSet_Module::activeSelectionModes(QIntList& theModes)
 397 {
 398   theModes.clear();
 399   if (mySketchMgr->activeSketch().get())
 400     PartSet_SketcherMgr::sketchSelectionModes(theModes);
 401 }
 402
 403 bool PartSet_Module::isMouseOverWindow()
 404 {
 405   return mySketchMgr->isMouseOverWindow();
 406 }
 407
 408 void PartSet_Module::closeDocument()
 409 {
 410   myCustomPrs->clearPrs();
 411 }
 412
 413 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 414 {
 415   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 416   if (!aFOperation)
 417     return;
 418
 419   ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
 420   if (PartSet_SketcherMgr::isSketchOperation(aFOperation) &&  (aFOperation->isEditOperation())) {
 421     // we have to manually activate the sketch label in edit mode
 422       aPanel->activateWidget(aPanel->modelWidgets().first());
 423       return;
 424   }
 425
 426   // Restart last operation type
 427   if ((aFOperation->id() == myLastOperationId) && myLastFeature) {
 428     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 429     if (aFOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 430       // Initialise new line with first point equal to end of previous
 431       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 432       if (aPnt2dWgt) {
 433         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 434         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 435           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 436         if (aPoint) {
 437           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 438           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), aFOperation->feature(),
 439             aWgt->attributeID(), aPoint->x(), aPoint->y());
 440           aPanel->activateNextWidget(aPnt2dWgt);
 441         }
 442       }
 443     }
 444   }
 445 }
 446
 447
 448 void PartSet_Module::onSelectionChanged()
 449 {
 450   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 451   if (!aOperation)
 452     return;
 453
 454   bool isSketcherOp = false;
 455   // An edit operation is enable only if the current opeation is the sketch operation
 456   if (mySketchMgr->activeSketch()) {
 457     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 458       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 459   }
 460   if (isSketcherOp) {
 461     // Editing of constraints can be done on selection
 462     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 463     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 464     if (aSelected.size() == 1) {
 465       ModuleBase_ViewerPrs aPrs = aSelected.first();
 466       ObjectPtr aObject = aPrs.object();
 467       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 468       if (aFeature) {
 469         std::string aId = aFeature->getKind();
 470         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 471             (aId == SketchPlugin_ConstraintLength::ID()) ||
 472             (aId == SketchPlugin_ConstraintDistance::ID()) ||
 473             (aId == SketchPlugin_ConstraintAngle::ID())) {
 474           editFeature(aFeature);
 475         }
 476       }
 477     }
 478   }
 479 }
 480
 481 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 482 {
 483   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 484   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 485   anOpMgr->onKeyReleased(theEvent);
 486 }
 487
 488 void PartSet_Module::onEnterReleased()
 489 {
 490   myRestartingMode = RM_EmptyFeatureUsed;
 491 }
 492
 493 void PartSet_Module::onOperationActivatedByPreselection()
 494 {
 495   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 496   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 497     // Set final definitions if they are necessary
 498     //propertyPanelDefined(aOperation);
 499
 500     /// Commit sketcher operations automatically
 501     anOperation->commit();
 502   }
 503 }
 504
 505 void PartSet_Module::onNoMoreWidgets()
 506 {
 507   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 508   if (anOperation) {
 509     if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 510       if (myRestartingMode != RM_Forbided)
 511         myRestartingMode = RM_LastFeatureUsed;
 512       anOperation->commit();
 513     }
 514   }
 515 }
 516
 517 void PartSet_Module::onVertexSelected()
 518 {
 519   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 520   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 521     /// If last line finished on vertex the lines creation sequence has to be break
 522     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 523     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 524     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 525     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 526     bool aFoundWidget = false;
 527     bool aFoundObligatory = false;
 528     for (; anIt != aLast && !aFoundObligatory; anIt++) {
 529       if (!aFoundWidget)
 530         aFoundWidget = *anIt == anActiveWidget;
 531       else
 532         aFoundObligatory = (*anIt)->isObligatory();
 533     }
 534     if (!aFoundObligatory)
 535       myRestartingMode = RM_Forbided;
 536   }
 537 }
 538
 539 ModuleBase_ModelWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 540                                             Config_WidgetAPI* theWidgetApi, std::string theParentId)
 541 {
 542   ModuleBase_IWorkshop* aWorkshop = workshop();
 543   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 544   XGUI_Workshop* aXUIWorkshop = aConnector->workshop();
 545   ModuleBase_ModelWidget* aWgt = NULL;
 546   if (theType == "sketch-start-label") {
 547     PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent, aWorkshop,
 548       theWidgetApi, theParentId, mySketchMgr->isConstraintsShown());
 549     connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 550       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 551     connect(aLabelWgt, SIGNAL(showConstraintToggled(bool)),
 552       mySketchMgr, SLOT(onShowConstraintsToggle(bool)));
 553     aWgt = aLabelWgt;
 554   } else if (theType == "sketch-2dpoint_selector") {
 555     PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, aWorkshop,
 556                                                                  theWidgetApi, theParentId);
 557     aPointWgt->setSketch(mySketchMgr->activeSketch());
 558     connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 559     aWgt = aPointWgt;
 560   } else if (theType == "point2ddistance") {
 561     PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent,
 562                                                         aWorkshop, theWidgetApi, theParentId);
 563     aDistanceWgt->setSketch(mySketchMgr->activeSketch());
 564     aWgt = aDistanceWgt;
 565   } else if(theType == "point2dangle") {
 566     PartSet_WidgetPoint2dAngle* anAngleWgt = new PartSet_WidgetPoint2dAngle(theParent,
 567                                                            aWorkshop, theWidgetApi, theParentId);
 568     anAngleWgt->setSketch(mySketchMgr->activeSketch());
 569     aWgt = anAngleWgt;
 570   } else if (theType == "sketch_shape_selector") {
 571     PartSet_WidgetShapeSelector* aShapeSelectorWgt =
 572       new PartSet_WidgetShapeSelector(theParent, aWorkshop, theWidgetApi, theParentId);
 573     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 574     aWgt = aShapeSelectorWgt;
 575   } else if (theType == "sketch_multi_selector") {
 576     PartSet_WidgetMultiSelector* aShapeSelectorWgt =
 577       new PartSet_WidgetMultiSelector(theParent, aWorkshop, theWidgetApi, theParentId);
 578     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 579     aWgt = aShapeSelectorWgt;
 580   } else if (theType == WDG_DOUBLEVALUE_EDITOR) {
 581     aWgt = new PartSet_WidgetEditor(theParent, aWorkshop, theWidgetApi, theParentId);
 582   } else if (theType == "export_file_selector") {
 583     aWgt = new PartSet_WidgetFileSelector(theParent, aWorkshop, theWidgetApi, theParentId);
 584   } else if (theType == "sketch_launcher") {
 585     aWgt = new PartSet_WidgetSketchCreator(theParent, this, theWidgetApi, theParentId);
 586   }
 587   return aWgt;
 588 }
 589
 590
 591 bool PartSet_Module::deleteObjects()
 592 {
 593   SessionPtr aMgr = ModelAPI_Session::get();
 594   // 1. check whether the delete should be processed in the module
 595   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 596   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 597        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 598   if (isSketchOp || isNestedOp) {
 599     // 2. find selected presentations
 600     // selected objects should be collected before the current operation abort because
 601     // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 602     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 603     XGUI_Workshop* aWorkshop = aConnector->workshop();
 604     ModuleBase_ISelection* aSel = workshop()->selection();
 605     QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 606     // if there are no selected objects in the viewer, that means that the selection in another
 607     // place cased this method. It is necessary to return the false value to understande in above
 608     // method that delete is not processed
 609     if (aSelectedObj.count() == 0)
 610       return false;
 611
 612     // avoid delete of the objects, which are not belong to the current sketch
 613     // in order to do not delete results of other sketches
 614     QObjectPtrList aSketchObjects;
 615     QObjectPtrList::const_iterator anIt = aSelectedObj.begin(), aLast = aSelectedObj.end();
 616     for ( ; anIt != aLast; anIt++) {
 617       ObjectPtr anObject = *anIt;
 618       if (mySketchMgr->isObjectOfSketch(anObject)) {
 619         // sketch feature should be used in this list because workshop deletes features only
 620         // results are skipped
 621         FeaturePtr aSketchFeature = ModelAPI_Feature::feature(anObject);
 622         aSketchObjects.append(aSketchFeature);
 623       }
 624     }
 625     // if the selection contains only local selected presentations from other sketches,
 626     // the Delete operation should not be done at all
 627     if (aSketchObjects.size() == 0)
 628       return true;
 629
 630     // 3. start operation
 631     QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
 632     ModuleBase_OperationAction* anAction = new ModuleBase_OperationAction(aDescription, this);
 633
 634     XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 635     // the active nested sketch operation should be aborted unconditionally
 636     if (isSketchOp)
 637       anOperation->addGrantedOperationId(anAction->id());
 638     if (!anOpMgr->canStartOperation(anAction->id()))
 639       return true; // the objects are processed but can not be deleted
 640     if (isSketchOp)
 641       anOperation->removeGrantedOperationId(anAction->id());
 642
 643     anOpMgr->startOperation(anAction);
 644     // 4. delete features
 645     // sketch feature should be skipped, only sub-features can be removed
 646     // when sketch operation is active
 647     aWorkshop->deleteFeatures(aSketchObjects);
 648     // 5. stop operation
 649     anOpMgr->commitOperation();
 650   } else {
 651     bool isPartRemoved = false;
 652     // Delete part with help of PartSet plugin
 653     // TODO: the deleted objects has to be processed by multiselection
 654     QObjectPtrList aObjects = myWorkshop->selection()->selectedObjects();
 655     if (aObjects.size() == 1) {
 656       ObjectPtr aObj = aObjects.first();
 657       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 658       if (aFeature.get() && (aFeature->getKind() == PartSetPlugin_Part::ID())) {
 659         // Remove feature should be created in the document of the part results
 660         ResultPtr aPartResult = aFeature->firstResult();
 661         if (aPartResult.get()) {
 662           std::shared_ptr<ModelAPI_ResultPart> aPart =
 663                        std::dynamic_pointer_cast<ModelAPI_ResultPart>(aPartResult);
 664           DocumentPtr aPartDoc = aPart->partDoc();
 665           if (aPartDoc.get()) {
 666             aMgr->startOperation(PartSetPlugin_Remove::ID());
 667             FeaturePtr aFeature = aPartDoc->addFeature(PartSetPlugin_Remove::ID());
 668             aFeature->execute();
 669             aMgr->finishOperation();
 670             isPartRemoved = true;
 671           }
 672         }
 673       }
 674     }
 675     return isPartRemoved;
 676   }
 677   return true;
 678 }
 679
 680 void PartSet_Module::onFeatureTriggered()
 681 {
 682   QAction* aCmd = dynamic_cast<QAction*>(sender());
 683   if (aCmd->isCheckable() && aCmd->isChecked()) {
 684     // 1. check whether the delete should be processed in the module
 685     ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 686     bool isNestedOp = PartSet_SketcherMgr::isNestedCreateOperation(anOperation);
 687     if (isNestedOp) {
 688       // in case if in the viewer nothing is displayed, the create operation should not be
 689       // comitted even if all values of the feature are initialized
 690       if (!mySketchMgr->canDisplayCurrentCreatedFeature()) {
 691         // the action information should be saved before the operation is aborted
 692         // because this abort leads to update command status, which unchecks this action
 693         anOperation->abort();
 694         launchOperation(aCmd->data().toString());
 695       }
 696     }
 697   }
 698   ModuleBase_IModule::onFeatureTriggered();
 699 }
 700
 701 void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS)
 702 {
 703   Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
 704   if (!anAIS.IsNull()) {
 705     Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
 706     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
 707     if (!aDim.IsNull()) {
 708       aCtx->SetZLayer(aDim, myVisualLayerId);
 709     } else {
 710       Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
 711       if (!aCons.IsNull())
 712         aCtx->SetZLayer(aCons, myVisualLayerId);
 713     }
 714   }
 715 }
 716
 717 void PartSet_Module::onBeforeObjectErase(ObjectPtr theObject, AISObjectPtr theAIS)
 718 {
 719   // it should be recomputed in order to disappear in the viewer if the corresponded object
 720   // is erased
 721   if (myCustomPrs->isActive())
 722     myCustomPrs->customize(theObject);
 723 }
 724
 725 void PartSet_Module::onViewTransformed(int theTrsfType)
 726 {
 727   // Set length of arrows constant in pixel size
 728   // if the operation is panning or rotate or panglobal then do nothing
 729   if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
 730     return;
 731
 732   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 733   //Handle(V3d_View) aView = aViewer->activeView();
 734
 735   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 736   XGUI_Workshop* aWorkshop = aConnector->workshop();
 737   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 738   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 739
 740   Handle(V3d_Viewer) aV3dViewer = aContext->CurrentViewer();
 741   Handle(V3d_View) aView;
 742   double aScale = 0;
 743   for (aV3dViewer->InitDefinedViews();
 744        aV3dViewer->MoreDefinedViews();
 745        aV3dViewer->NextDefinedViews()) {
 746     Handle(V3d_View) aV = aV3dViewer->DefinedView();
 747     double aS = aV->Scale();
 748     if (aS > aScale) {
 749       aScale = aS;
 750       aView = aV;
 751     }
 752   }
 753   if (aView.IsNull())
 754     return;
 755   double aLen = aView->Convert(20);
 756
 757   double aPrevLen = SketcherPrs_Tools::getArrowSize();
 758   SketcherPrs_Tools::setArrowSize(aLen);
 759   const double aPrevScale = aViewer->Scale(aViewer->activeView());
 760   const double aCurScale = aViewer->activeView()->Camera()->Scale();
 761   aViewer->SetScale(aViewer->activeView(), aCurScale);
 762   SketcherPrs_Tools::setTextHeight (aCurScale / aPrevScale * SketcherPrs_Tools::getTextHeight());
 763   bool isModified = false;
 764   QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
 765   foreach (AISObjectPtr aAIS, aPrsList) {
 766     Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 767
 768     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
 769     if (!aDim.IsNull()) {
 770       aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
 771       aContext->Redisplay(aDim, false);
 772       isModified = true;
 773     }
 774   }
 775   if (isModified)
 776     aDisplayer->updateViewer();
 777 }
 778
 779 void PartSet_Module::customizeObject(ObjectPtr theObject)
 780 {
 781   if (myCustomPrs->isActive())
 782     myCustomPrs->customize(theObject);
 783 }
 784
 785 void PartSet_Module::customizeObjectBrowser(QWidget* theObjectBrowser)
 786 {
 787   XGUI_ObjectsBrowser* aOB = dynamic_cast<XGUI_ObjectsBrowser*>(theObjectBrowser);
 788   if (aOB) {
 789     QLineEdit* aLabel = aOB->activeDocLabel();
 790     QPalette aPalet = aLabel->palette();
 791     aPalet.setColor(QPalette::Text, QColor(0, 72, 140));
 792     aLabel->setPalette(aPalet);
 793     aOB->treeView()->setExpandsOnDoubleClick(false);
 794 #ifdef ModuleDataModel
 795     connect(aOB->treeView(), SIGNAL(doubleClicked(const QModelIndex&)),
 796       SLOT(onTreeViewDoubleClick(const QModelIndex&)));
 797     connect(aOB, SIGNAL(headerMouseDblClicked(const QModelIndex&)),
 798       SLOT(onTreeViewDoubleClick(const QModelIndex&)));
 799     connect(aOB->treeView(), SIGNAL(doubleClicked(const QModelIndex&)),
 800       myDataModel, SLOT(onMouseDoubleClick(const QModelIndex&)));
 801 #endif
 802   }
 803 }
 804
 805 ObjectPtr PartSet_Module::findPresentedObject(const AISObjectPtr& theAIS) const
 806 {
 807   ObjectPtr anObject;
 808   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 809   if (aOperation) {
 810     /// If last line finished on vertex the lines creation sequence has to be break
 811     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 812     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 813     // if there is an active widget, find the presented object in it
 814     if (!anActiveWidget)
 815       anActiveWidget = aPanel->preselectionWidget();
 816
 817     ModuleBase_WidgetValidated* aWidgetValidated = dynamic_cast<ModuleBase_WidgetValidated*>
 818                                                                            (anActiveWidget);
 819     if (aWidgetValidated)
 820       anObject = aWidgetValidated->findPresentedObject(theAIS);
 821   }
 822   return anObject;
 823 }
 824
 825 void PartSet_Module::addObjectBrowserMenu(QMenu* theMenu) const
 826 {
 827   QObjectPtrList aObjects = myWorkshop->selection()->selectedObjects();
 828   int aSelected = aObjects.size();
 829   SessionPtr aMgr = ModelAPI_Session::get();
 830   if (aSelected == 1) {
 831     bool hasResult = false;
 832     bool hasFeature = false;
 833     bool hasParameter = false;
 834     bool hasSubFeature = false;
 835     ModuleBase_Tools::checkObjects(aObjects, hasResult, hasFeature, hasParameter, hasSubFeature);
 836
 837     ObjectPtr aObject = aObjects.first();
 838     if (aObject) {
 839       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObject);
 840       FeaturePtr aPartFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
 841       bool isPart = aPart.get() ||
 842         (aPartFeature.get() && (aPartFeature->getKind() == PartSetPlugin_Part::ID()));
 843       if (isPart) {
 844         DocumentPtr aPartDoc;
 845         if (!aPart.get()) {
 846           aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aPartFeature->firstResult());
 847         }
 848         if (aPart.get()) // this may be null is Part feature is disabled
 849           aPartDoc = aPart->partDoc();
 850         if (aMgr->activeDocument() == aPartDoc)
 851           theMenu->addAction(myMenuMgr->action("DEACTIVATE_PART_CMD"));
 852         else
 853           theMenu->addAction(myMenuMgr->action("ACTIVATE_PART_CMD"));
 854       } else if (aObject->document() == aMgr->activeDocument()) {
 855         if (hasParameter || hasFeature)
 856           theMenu->addAction(myMenuMgr->action("EDIT_CMD"));
 857       }
 858
 859       ResultBodyPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObject);
 860       if( aResult.get() )
 861       {
 862         theMenu->addAction(myMenuMgr->action("SELECT_PARENT_CMD"));
 863       }
 864     } else {  // If feature is 0 the it means that selected root object (document)
 865       if (aMgr->activeDocument() != aMgr->moduleDocument())
 866         theMenu->addAction(myMenuMgr->action("ACTIVATE_PARTSET_CMD"));
 867     }
 868   } else if (aSelected == 0) {
 869     // if there is no selection then it means that upper label is selected
 870     QModelIndexList aIndexes = myWorkshop->selection()->selectedIndexes();
 871     if (aIndexes.size() == 0) // it means that selection happens in top label outside of tree view
 872       if (aMgr->activeDocument() != aMgr->moduleDocument())
 873         theMenu->addAction(myMenuMgr->action("ACTIVATE_PARTSET_CMD"));
 874   }
 875   bool aCanDeactivate = (myWorkshop->currentOperation() == 0);
 876   myMenuMgr->action("ACTIVATE_PARTSET_CMD")->setEnabled(aCanDeactivate);
 877   myMenuMgr->action("DEACTIVATE_PART_CMD")->setEnabled(aCanDeactivate);
 878   myMenuMgr->action("ACTIVATE_PART_CMD")->setEnabled(aCanDeactivate);
 879 }
 880
 881 void PartSet_Module::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 882 {
 883   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
 884     // Do not change activation of parts if an operation active
 885     static QStringList aAllowActivationList;
 886     if (aAllowActivationList.isEmpty())
 887       aAllowActivationList <<
 888       QString(PartSetPlugin_Part::ID().c_str()) <<
 889       QString(PartSetPlugin_Duplicate::ID().c_str()) <<
 890       QString(PartSetPlugin_Remove::ID().c_str());
 891     if (myWorkshop->currentOperation() &&
 892       (!aAllowActivationList.contains(myWorkshop->currentOperation()->id())))
 893       return;
 894     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 895     XGUI_Workshop* aWorkshop = aConnector->workshop();
 896     XGUI_DataTree* aTreeView = aWorkshop->objectBrowser()->treeView();
 897     QLineEdit* aLabel = aWorkshop->objectBrowser()->activeDocLabel();
 898     QPalette aPalet = aLabel->palette();
 899
 900     SessionPtr aMgr = ModelAPI_Session::get();
 901     DocumentPtr aActiveDoc = aMgr->activeDocument();
 902 #ifdef ModuleDataModel
 903     QModelIndex aOldIndex = myDataModel->activePartTree();
 904     DocumentPtr aDoc = aMgr->moduleDocument();
 905     if (aActiveDoc == aDoc) {
 906       if (aOldIndex.isValid())
 907         aTreeView->setExpanded(aOldIndex, false);
 908       myDataModel->deactivatePart();
 909       aPalet.setColor(QPalette::Text, QColor(0, 72, 140));
 910     } else {
 911       std::string aGrpName = ModelAPI_ResultPart::group();
 912       for (int i = 0; i < aDoc->size(aGrpName); i++) {
 913         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aDoc->object(aGrpName, i));
 914         if (aPart->partDoc() == aActiveDoc) {
 915           QModelIndex aIndex = myDataModel->partIndex(aPart);
 916           if (myDataModel->activatePart(aIndex)) {
 917             if (aOldIndex.isValid())
 918               aTreeView->setExpanded(aOldIndex, false);
 919             aTreeView->setExpanded(myDataModel->activePartTree(), true);
 920             aPalet.setColor(QPalette::Text, Qt::black);
 921           }
 922           break;
 923         }
 924       }
 925     }
 926 #else
 927     // Problem with MPV: At first time on creation it doesn't work because Part feature
 928     // creation event will be sent after
 929     if (aActivePartIndex.isValid())
 930       aTreeView->setExpanded(aActivePartIndex, false);
 931     XGUI_DataModel* aDataModel = aWorkshop->objectBrowser()->dataModel();
 932     aActivePartIndex = aDataModel->documentRootIndex(aActiveDoc);
 933     if (aActivePartIndex.isValid())
 934       aTreeView->setExpanded(aActivePartIndex, true);
 935 #endif
 936     aLabel->setPalette(aPalet);
 937     aWorkshop->updateCommandStatus();
 938
 939     // Update displayed objects in order to update active color
 940     XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 941     QObjectPtrList aObjects = aDisplayer->displayedObjects();
 942     foreach(ObjectPtr aObj, aObjects)
 943       aDisplayer->redisplay(aObj, false);
 944     aDisplayer->updateViewer();
 945   }
 946 }
 947
 948 void PartSet_Module::onTreeViewDoubleClick(const QModelIndex& theIndex)
 949 {
 950   if (myWorkshop->currentOperation()) // Do not change activation of parts if an operation active
 951     return;
 952   SessionPtr aMgr = ModelAPI_Session::get();
 953   if (!theIndex.isValid()) {
 954     aMgr->setActiveDocument(aMgr->moduleDocument());
 955     return;
 956   }
 957   if (theIndex.column() != 0) // Use only first column
 958     return;
 959   ObjectPtr aObj = myDataModel->object(theIndex);
 960   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 961   if (!aPart.get()) { // Probably this is Feature
 962     FeaturePtr aPartFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 963     if (aPartFeature.get() && (aPartFeature->getKind() == PartSetPlugin_Part::ID())) {
 964       aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aPartFeature->firstResult());
 965     }
 966   }
 967   if (aPart.get()) { // if this is a part
 968     if (aPart->partDoc() == aMgr->activeDocument()) {
 969       aMgr->setActiveDocument(aMgr->moduleDocument());
 970     } else {
 971       aPart->activate();
 972     }
 973   }
 974 }
 975
 976
 977 void PartSet_Module::onViewCreated(ModuleBase_IViewWindow*)
 978 {
 979   // z layer is created for all started operations in order to visualize operation AIS presentation
 980   // over the object
 981   Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 982   if (myVisualLayerId == 0) {
 983     if (myVisualLayerId == 0)
 984       aViewer->AddZLayer(myVisualLayerId);
 985   } else {
 986     TColStd_SequenceOfInteger aZList;
 987     aViewer->GetAllZLayers(aZList);
 988     bool aFound = false;
 989     for (int i = 1; i <= aZList.Length(); i++) {
 990       if (aZList(i) == myVisualLayerId) {
 991         aFound = true;
 992         break;
 993       }
 994     }
 995     if (!aFound)
 996       aViewer->AddZLayer(myVisualLayerId);
 997   }
 998 }