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_Finite.h>
  40 #include <GeomValidators_Face.h>
  41 #include <GeomValidators_ConstructionComposite.h>
  42 #include <GeomValidators_ZeroOffset.h>
  43 #include <GeomValidators_BooleanArguments.h>
  44 #include <GeomValidators_Different.h>
  45
  46
  47 #include <ModelAPI_Object.h>
  48 #include <ModelAPI_Events.h>
  49 #include <ModelAPI_Validator.h>
  50 #include <ModelAPI_Data.h>
  51 #include <ModelAPI_Session.h>
  52 #include <ModelAPI_ShapeValidator.h>
  53 #include <ModelAPI_ResultBody.h>
  54
  55 #include <GeomDataAPI_Point2D.h>
  56 #include <GeomDataAPI_Point.h>
  57 #include <GeomDataAPI_Dir.h>
  58
  59 #include <XGUI_Displayer.h>
  60 #include <XGUI_Workshop.h>
  61 #include <XGUI_OperationMgr.h>
  62 #include <XGUI_PropertyPanel.h>
  63 #include <XGUI_ModuleConnector.h>
  64 #include <XGUI_ContextMenuMgr.h>
  65 #include <XGUI_Tools.h>
  66 #include <XGUI_ObjectsBrowser.h>
  67 #include <XGUI_SelectionMgr.h>
  68 #include <XGUI_DataModel.h>
  69
  70 #include <SketchPlugin_Feature.h>
  71 #include <SketchPlugin_Sketch.h>
  72 #include <SketchPlugin_Line.h>
  73 #include <SketchPlugin_Arc.h>
  74 #include <SketchPlugin_Circle.h>
  75 #include <SketchPlugin_Point.h>
  76 #include <SketchPlugin_ConstraintAngle.h>
  77 #include <SketchPlugin_ConstraintLength.h>
  78 #include <SketchPlugin_ConstraintDistance.h>
  79 #include <SketchPlugin_ConstraintParallel.h>
  80 #include <SketchPlugin_ConstraintPerpendicular.h>
  81 #include <SketchPlugin_ConstraintRadius.h>
  82
  83 #include <SketcherPrs_SymbolPrs.h>
  84 #include <SketcherPrs_Tools.h>
  85
  86 #include <Events_Loop.h>
  87 #include <Config_PropManager.h>
  88 #include <Config_Keywords.h>
  89
  90 #include <StdSelect_TypeOfFace.hxx>
  91 #include <TopoDS_Vertex.hxx>
  92 #include <TopoDS.hxx>
  93 #include <TopoDS_Shape.hxx>
  94 #include <BRep_Tool.hxx>
  95 #include <AIS_Dimension.hxx>
  96
  97 #include <QObject>
  98 #include <QMouseEvent>
  99 #include <QString>
 100 #include <QTimer>
 101 #include <QApplication>
 102 #include <QMessageBox>
 103 #include <QMainWindow>
 104 #include <QLineEdit>
 105
 106 #include <GeomAlgoAPI_FaceBuilder.h>
 107 #include <GeomDataAPI_Dir.h>
 108
 109 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
 110
 111 #ifdef _DEBUG
 112 #include <QDebug>
 113 #endif
 114
 115 /*!Create and return new instance of XGUI_Module*/
 116 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
 117 {
 118   return new PartSet_Module(theWshop);
 119 }
 120
 121 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
 122   : ModuleBase_IModule(theWshop),
 123   myRestartingMode(RM_None), myVisualLayerId(0)
 124 {
 125   new PartSet_IconFactory();
 126
 127   mySketchMgr = new PartSet_SketcherMgr(this);
 128   myDataModel = new PartSet_DocumentDataModel(this);
 129
 130   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
 131   XGUI_Workshop* aWorkshop = aConnector->workshop();
 132
 133   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 134   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
 135   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
 136           this, SLOT(onOperationActivatedByPreselection()));
 137
 138   ModuleBase_IViewer* aViewer = theWshop->viewer();
 139   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 140           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 141   connect(aViewer, SIGNAL(viewTransformed(int)),
 142           SLOT(onViewTransformed(int)));
 143   connect(aViewer, SIGNAL(viewCreated(ModuleBase_IViewWindow*)),
 144           SLOT(onViewCreated(ModuleBase_IViewWindow*)));
 145
 146   myMenuMgr = new PartSet_MenuMgr(this);
 147   myCustomPrs = new PartSet_CustomPrs(theWshop);
 148
 149   Events_Loop* aLoop = Events_Loop::loop();
 150   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED));
 151
 152   mySelectionFilters.Append(new PartSet_GlobalFilter(myWorkshop));
 153   mySelectionFilters.Append(new PartSet_FilterInfinite(myWorkshop));
 154 }
 155
 156 PartSet_Module::~PartSet_Module()
 157 {
 158   SelectMgr_ListIteratorOfListOfFilter aIt(mySelectionFilters);
 159   for (; aIt.More(); aIt.Next()) {
 160     Handle(SelectMgr_Filter) aFilter = aIt.Value();
 161     if (!aFilter.IsNull())
 162       aFilter.Nullify();
 163   }
 164   delete myCustomPrs;
 165 }
 166
 167 void PartSet_Module::activateSelectionFilters()
 168 {
 169   SelectMgr_ListIteratorOfListOfFilter aIt(mySelectionFilters);
 170   for (; aIt.More(); aIt.Next()) {
 171     Handle(SelectMgr_Filter) aFilter = aIt.Value();
 172     if (!aFilter.IsNull())
 173       myWorkshop->viewer()->addSelectionFilter(aFilter);
 174   }
 175 }
 176
 177 void PartSet_Module::deactivateSelectionFilters()
 178 {
 179   SelectMgr_ListIteratorOfListOfFilter aIt(mySelectionFilters);
 180   for (; aIt.More(); aIt.Next()) {
 181     Handle(SelectMgr_Filter) aFilter = aIt.Value();
 182     if (!aFilter.IsNull())
 183       myWorkshop->viewer()->removeSelectionFilter(aFilter);
 184   }
 185 }
 186
 187 void PartSet_Module::registerValidators()
 188 {
 189   //Registering of validators
 190   SessionPtr aMgr = ModelAPI_Session::get();
 191   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 192   aFactory->registerValidator("PartSet_DistanceSelection", new PartSet_DistanceSelection);
 193   aFactory->registerValidator("PartSet_LengthSelection", new PartSet_LengthSelection);
 194   aFactory->registerValidator("PartSet_PerpendicularSelection", new PartSet_PerpendicularSelection);
 195   aFactory->registerValidator("PartSet_ParallelSelection", new PartSet_ParallelSelection);
 196   aFactory->registerValidator("PartSet_RadiusSelection", new PartSet_RadiusSelection);
 197   aFactory->registerValidator("PartSet_RigidSelection", new PartSet_RigidSelection);
 198   aFactory->registerValidator("PartSet_CoincidentSelection", new PartSet_CoincidentSelection);
 199   aFactory->registerValidator("PartSet_HVDirSelection", new PartSet_HVDirSelection);
 200   aFactory->registerValidator("PartSet_TangentSelection", new PartSet_TangentSelection);
 201   aFactory->registerValidator("PartSet_FilletSelection", new PartSet_FilletSelection);
 202   aFactory->registerValidator("PartSet_AngleSelection", new PartSet_AngleSelection);
 203
 204   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 205   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 206
 207   aFactory->registerValidator("PartSet_CoincidentAttr", new PartSet_CoincidentAttr);
 208
 209   aFactory->registerValidator("GeomValidators_ShapeType", new GeomValidators_ShapeType);
 210   aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
 211
 212   aFactory->registerValidator("GeomValidators_Finite", new GeomValidators_Finite);
 213
 214   aFactory->registerValidator("GeomValidators_ConstructionComposite",
 215                               new GeomValidators_ConstructionComposite);
 216
 217   aFactory->registerValidator("GeomValidators_ZeroOffset",
 218                               new GeomValidators_ZeroOffset);
 219
 220   aFactory->registerValidator("GeomValidators_BooleanArguments",
 221                               new GeomValidators_BooleanArguments);
 222
 223   aFactory->registerValidator("PartSet_SketchEntityValidator",
 224                               new PartSet_SketchEntityValidator);
 225
 226   aFactory->registerValidator("PartSet_SameTypeAttr",
 227                               new PartSet_SameTypeAttrValidator);
 228
 229   aFactory->registerValidator("GeomValidators_Different",
 230                               new GeomValidators_Different);
 231 }
 232
 233 void PartSet_Module::registerFilters()
 234 {
 235   //Registering of selection filters
 236   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 237   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 238 }
 239
 240 void PartSet_Module::registerProperties()
 241 {
 242   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 243                                    PLANE_SIZE);
 244   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 245                                    Config_Prop::Integer, SKETCH_WIDTH);
 246 }
 247
 248 void PartSet_Module::onOperationCommitted(ModuleBase_Operation* theOperation)
 249 {
 250   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 251     mySketchMgr->commitNestedSketch(theOperation);
 252   }
 253
 254   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 255   if (!aFOperation || aFOperation->isEditOperation())
 256     return;
 257   // the selection is cleared after commit the create operation
 258   // in order to do not use the same selected objects in the restarted operation
 259   // for common behaviour, the selection is cleared even if the operation is not restarted
 260   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 261   XGUI_Workshop* aWorkshop = aConnector->workshop();
 262   aWorkshop->selector()->clearSelection();
 263
 264   /// Restart sketcher operations automatically
 265   FeaturePtr aFeature = aFOperation->feature();
 266   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 267             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 268   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 269                      myRestartingMode == RM_EmptyFeatureUsed)) {
 270     myLastOperationId = aFOperation->id();
 271     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? aFOperation->feature() : FeaturePtr();
 272
 273     launchOperation(myLastOperationId);
 274   }
 275   breakOperationSequence();
 276 }
 277
 278 void PartSet_Module::breakOperationSequence()
 279 {
 280   myLastOperationId = "";
 281   myLastFeature = FeaturePtr();
 282   myRestartingMode = RM_None;
 283 }
 284
 285 void PartSet_Module::onOperationAborted(ModuleBase_Operation* theOperation)
 286 {
 287   breakOperationSequence();
 288 }
 289
 290 void PartSet_Module::onOperationStarted(ModuleBase_Operation* theOperation)
 291 {
 292   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 293     mySketchMgr->startSketch(theOperation);
 294   }
 295   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 296     mySketchMgr->startNestedSketch(theOperation);
 297   }
 298
 299   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 300   if (aFOperation)
 301     myCustomPrs->activate(aFOperation->feature());
 302 }
 303
 304 void PartSet_Module::onOperationStopped(ModuleBase_Operation* theOperation)
 305 {
 306   myCustomPrs->deactivate();
 307
 308   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 309     mySketchMgr->stopSketch(theOperation);
 310   }
 311   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 312     mySketchMgr->stopNestedSketch(theOperation);
 313   }
 314 }
 315
 316 ModuleBase_Operation* PartSet_Module::currentOperation() const
 317 {
 318   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 319   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 320   return anOpMgr->currentOperation();
 321 }
 322
 323 bool PartSet_Module::canUndo() const
 324 {
 325   bool aCanUndo = false;
 326   SessionPtr aMgr = ModelAPI_Session::get();
 327   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 328     aCanUndo = !aMgr->isOperation();
 329     if (!aCanUndo) // check the enable state additionally by sketch manager
 330       aCanUndo = aMgr->canUndo();
 331   }
 332   return aCanUndo;
 333 }
 334
 335 bool PartSet_Module::canRedo() const
 336 {
 337   bool aCanRedo = false;
 338   SessionPtr aMgr = ModelAPI_Session::get();
 339   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 340     aCanRedo = !aMgr->isOperation();
 341     if (!aCanRedo) // check the enable state additionally by sketch manager
 342       aCanRedo = aMgr->canRedo();
 343   }
 344   return aCanRedo;
 345 }
 346
 347 bool PartSet_Module::canApplyAction(const ObjectPtr& theObject, const QString& theActionId) const
 348 {
 349   bool aValid = true;
 350   if (theActionId == "DELETE_CMD" || theActionId == "MOVE_CMD") {
 351     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 352     if (aFeature) {
 353       // part features are removed in the PartSet module only.
 354       if (aFeature->getKind() == PartSetPlugin_Part::ID())
 355         aValid = false;
 356     }
 357   }
 358   return aValid;
 359 }
 360
 361 bool PartSet_Module::canCommitOperation() const
 362 {
 363   return mySketchMgr->canCommitOperation();
 364 }
 365
 366 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 367 {
 368   // the sketch manager put the restriction to the objects display
 369   return mySketchMgr->canDisplayObject(theObject);
 370 }
 371
 372 bool PartSet_Module::canActivateSelection(const ObjectPtr& theObject) const
 373 {
 374   bool aCanActivate = ModuleBase_IModule::canActivateSelection(theObject);
 375
 376   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 377   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 378        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 379   if (isSketchOp || isNestedOp) {
 380     // in active sketch operation it is possible to activate operation object in selection
 381     // in the edit operation, e.g. points of the line can be moved when the line is edited
 382     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(anOperation);
 383     aCanActivate = aCanActivate || (aFOperation && aFOperation->isEditOperation());
 384   }
 385   return aCanActivate;
 386 }
 387
 388 bool PartSet_Module::addViewerMenu(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
 389 {
 390   return myMenuMgr->addViewerMenu(theMenu, theStdActions);
 391 }
 392
 393 void PartSet_Module::updateViewerMenu(const QMap<QString, QAction*>& theStdActions)
 394 {
 395   myMenuMgr->updateViewerMenu(theStdActions);
 396 }
 397
 398
 399 void PartSet_Module::activeSelectionModes(QIntList& theModes)
 400 {
 401   theModes.clear();
 402   if (mySketchMgr->activeSketch().get())
 403     PartSet_SketcherMgr::sketchSelectionModes(theModes);
 404 }
 405
 406 bool PartSet_Module::isMouseOverWindow()
 407 {
 408   return mySketchMgr->isMouseOverWindow();
 409 }
 410
 411 void PartSet_Module::closeDocument()
 412 {
 413   clearViewer();
 414 }
 415
 416 void PartSet_Module::clearViewer()
 417 {
 418   myCustomPrs->clearPrs();
 419 }
 420
 421 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 422 {
 423   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 424   if (!aFOperation)
 425     return;
 426
 427   ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
 428   if (PartSet_SketcherMgr::isSketchOperation(aFOperation) &&  (aFOperation->isEditOperation())) {
 429     // we have to manually activate the sketch label in edit mode
 430       aPanel->activateWidget(aPanel->modelWidgets().first());
 431       return;
 432   }
 433
 434   // Restart last operation type
 435   if ((aFOperation->id() == myLastOperationId) && myLastFeature) {
 436     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 437     if (aFOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 438       // Initialise new line with first point equal to end of previous
 439       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 440       if (aPnt2dWgt) {
 441         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 442         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 443           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 444         if (aPoint) {
 445           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 446           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), aFOperation->feature(),
 447             aWgt->attributeID(), aPoint->x(), aPoint->y());
 448           aPanel->activateNextWidget(aPnt2dWgt);
 449         }
 450       }
 451     }
 452   }
 453 }
 454
 455
 456 void PartSet_Module::onSelectionChanged()
 457 {
 458   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 459   if (!aOperation)
 460     return;
 461
 462   bool isSketcherOp = false;
 463   // An edit operation is enable only if the current opeation is the sketch operation
 464   if (mySketchMgr->activeSketch()) {
 465     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 466       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 467   }
 468   if (isSketcherOp) {
 469     // Editing of constraints can be done on selection
 470     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 471     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 472     if (aSelected.size() == 1) {
 473       ModuleBase_ViewerPrs aPrs = aSelected.first();
 474       ObjectPtr aObject = aPrs.object();
 475       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 476       if (aFeature) {
 477         std::string aId = aFeature->getKind();
 478         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 479             (aId == SketchPlugin_ConstraintLength::ID()) ||
 480             (aId == SketchPlugin_ConstraintDistance::ID()) ||
 481             (aId == SketchPlugin_ConstraintAngle::ID())) {
 482           editFeature(aFeature);
 483         }
 484       }
 485     }
 486   }
 487 }
 488
 489 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 490 {
 491   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 492   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 493   anOpMgr->onKeyReleased(theEvent);
 494 }
 495
 496 void PartSet_Module::onEnterReleased()
 497 {
 498   myRestartingMode = RM_EmptyFeatureUsed;
 499 }
 500
 501 void PartSet_Module::onOperationActivatedByPreselection()
 502 {
 503   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 504   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 505     // Set final definitions if they are necessary
 506     //propertyPanelDefined(aOperation);
 507
 508     /// Commit sketcher operations automatically
 509     anOperation->commit();
 510   }
 511 }
 512
 513 void PartSet_Module::onNoMoreWidgets()
 514 {
 515   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 516   if (anOperation) {
 517     if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 518       if (myRestartingMode != RM_Forbided)
 519         myRestartingMode = RM_LastFeatureUsed;
 520       anOperation->commit();
 521     }
 522   }
 523 }
 524
 525 void PartSet_Module::onVertexSelected()
 526 {
 527   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 528   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 529     /// If last line finished on vertex the lines creation sequence has to be break
 530     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 531     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 532     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 533     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 534     bool aFoundWidget = false;
 535     bool aFoundObligatory = false;
 536     for (; anIt != aLast && !aFoundObligatory; anIt++) {
 537       if (!aFoundWidget)
 538         aFoundWidget = *anIt == anActiveWidget;
 539       else
 540         aFoundObligatory = (*anIt)->isObligatory();
 541     }
 542     if (!aFoundObligatory)
 543       myRestartingMode = RM_Forbided;
 544   }
 545 }
 546
 547 ModuleBase_ModelWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 548                                             Config_WidgetAPI* theWidgetApi, std::string theParentId)
 549 {
 550   ModuleBase_IWorkshop* aWorkshop = workshop();
 551   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 552   XGUI_Workshop* aXUIWorkshop = aConnector->workshop();
 553   ModuleBase_ModelWidget* aWgt = NULL;
 554   if (theType == "sketch-start-label") {
 555     PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent, aWorkshop,
 556       theWidgetApi, theParentId, mySketchMgr->isConstraintsShown());
 557     connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 558       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 559     connect(aLabelWgt, SIGNAL(showConstraintToggled(bool)),
 560       mySketchMgr, SLOT(onShowConstraintsToggle(bool)));
 561     aWgt = aLabelWgt;
 562   } else if (theType == "sketch-2dpoint_selector") {
 563     PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, aWorkshop,
 564                                                                  theWidgetApi, theParentId);
 565     aPointWgt->setSketch(mySketchMgr->activeSketch());
 566     connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 567     aWgt = aPointWgt;
 568   } else if (theType == "point2ddistance") {
 569     PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent,
 570                                                         aWorkshop, theWidgetApi, theParentId);
 571     aDistanceWgt->setSketch(mySketchMgr->activeSketch());
 572     aWgt = aDistanceWgt;
 573   } else if(theType == "point2dangle") {
 574     PartSet_WidgetPoint2dAngle* anAngleWgt = new PartSet_WidgetPoint2dAngle(theParent,
 575                                                            aWorkshop, theWidgetApi, theParentId);
 576     anAngleWgt->setSketch(mySketchMgr->activeSketch());
 577     aWgt = anAngleWgt;
 578   } else if (theType == "sketch_shape_selector") {
 579     PartSet_WidgetShapeSelector* aShapeSelectorWgt =
 580       new PartSet_WidgetShapeSelector(theParent, aWorkshop, theWidgetApi, theParentId);
 581     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 582     aWgt = aShapeSelectorWgt;
 583   } else if (theType == "sketch_multi_selector") {
 584     PartSet_WidgetMultiSelector* aShapeSelectorWgt =
 585       new PartSet_WidgetMultiSelector(theParent, aWorkshop, theWidgetApi, theParentId);
 586     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 587     aWgt = aShapeSelectorWgt;
 588   } else if (theType == WDG_DOUBLEVALUE_EDITOR) {
 589     aWgt = new PartSet_WidgetEditor(theParent, aWorkshop, theWidgetApi, theParentId);
 590   } else if (theType == "export_file_selector") {
 591     aWgt = new PartSet_WidgetFileSelector(theParent, aWorkshop, theWidgetApi, theParentId);
 592   } else if (theType == "sketch_launcher") {
 593     aWgt = new PartSet_WidgetSketchCreator(theParent, this, theWidgetApi, theParentId);
 594   }
 595   return aWgt;
 596 }
 597
 598
 599 bool PartSet_Module::deleteObjects()
 600 {
 601   SessionPtr aMgr = ModelAPI_Session::get();
 602   // 1. check whether the delete should be processed in the module
 603   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 604   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 605        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 606   if (isSketchOp || isNestedOp) {
 607     // 2. find selected presentations
 608     // selected objects should be collected before the current operation abort because
 609     // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 610     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 611     XGUI_Workshop* aWorkshop = aConnector->workshop();
 612     ModuleBase_ISelection* aSel = workshop()->selection();
 613     QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 614     // if there are no selected objects in the viewer, that means that the selection in another
 615     // place cased this method. It is necessary to return the false value to understande in above
 616     // method that delete is not processed
 617     if (aSelectedObj.count() == 0)
 618       return false;
 619
 620     // avoid delete of the objects, which are not belong to the current sketch
 621     // in order to do not delete results of other sketches
 622     QObjectPtrList aSketchObjects;
 623     QObjectPtrList::const_iterator anIt = aSelectedObj.begin(), aLast = aSelectedObj.end();
 624     for ( ; anIt != aLast; anIt++) {
 625       ObjectPtr anObject = *anIt;
 626       if (mySketchMgr->isObjectOfSketch(anObject)) {
 627         // sketch feature should be used in this list because workshop deletes features only
 628         // results are skipped
 629         FeaturePtr aSketchFeature = ModelAPI_Feature::feature(anObject);
 630         aSketchObjects.append(aSketchFeature);
 631       }
 632     }
 633     // if the selection contains only local selected presentations from other sketches,
 634     // the Delete operation should not be done at all
 635     if (aSketchObjects.size() == 0)
 636       return true;
 637
 638     // 3. start operation
 639     QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
 640     ModuleBase_OperationAction* anAction = new ModuleBase_OperationAction(aDescription, this);
 641
 642     XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 643     // the active nested sketch operation should be aborted unconditionally
 644     if (isSketchOp)
 645       anOperation->addGrantedOperationId(anAction->id());
 646     if (!anOpMgr->canStartOperation(anAction->id()))
 647       return true; // the objects are processed but can not be deleted
 648     if (isSketchOp)
 649       anOperation->removeGrantedOperationId(anAction->id());
 650
 651     anOpMgr->startOperation(anAction);
 652     // 4. delete features
 653     // sketch feature should be skipped, only sub-features can be removed
 654     // when sketch operation is active
 655     aWorkshop->deleteFeatures(aSketchObjects);
 656     // 5. stop operation
 657     anOpMgr->commitOperation();
 658   } else {
 659     bool isPartRemoved = false;
 660     // Delete part with help of PartSet plugin
 661     // TODO: the deleted objects has to be processed by multiselection
 662     QObjectPtrList aObjects = myWorkshop->selection()->selectedObjects();
 663     if (aObjects.size() == 1) {
 664       ObjectPtr aObj = aObjects.first();
 665       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 666       if (aFeature.get() && (aFeature->getKind() == PartSetPlugin_Part::ID())) {
 667         // Remove feature should be created in the document of the part results
 668         ResultPtr aPartResult = aFeature->firstResult();
 669         if (aPartResult.get()) {
 670           std::shared_ptr<ModelAPI_ResultPart> aPart =
 671                        std::dynamic_pointer_cast<ModelAPI_ResultPart>(aPartResult);
 672           DocumentPtr aPartDoc = aPart->partDoc();
 673           if (aPartDoc.get()) {
 674             aMgr->startOperation(PartSetPlugin_Remove::ID());
 675             FeaturePtr aFeature = aPartDoc->addFeature(PartSetPlugin_Remove::ID());
 676             aFeature->execute();
 677             aMgr->finishOperation();
 678             isPartRemoved = true;
 679           }
 680         }
 681       }
 682     }
 683     return isPartRemoved;
 684   }
 685   return true;
 686 }
 687
 688 void PartSet_Module::onFeatureTriggered()
 689 {
 690   QAction* aCmd = dynamic_cast<QAction*>(sender());
 691   if (aCmd->isCheckable() && aCmd->isChecked()) {
 692     // 1. check whether the delete should be processed in the module
 693     ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 694     bool isNestedOp = PartSet_SketcherMgr::isNestedCreateOperation(anOperation);
 695     if (isNestedOp) {
 696       // in case if in the viewer nothing is displayed, the create operation should not be
 697       // comitted even if all values of the feature are initialized
 698       if (!mySketchMgr->canDisplayCurrentCreatedFeature()) {
 699         // the action information should be saved before the operation is aborted
 700         // because this abort leads to update command status, which unchecks this action
 701         anOperation->abort();
 702         launchOperation(aCmd->data().toString());
 703       }
 704     }
 705   }
 706   ModuleBase_IModule::onFeatureTriggered();
 707 }
 708
 709 void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS)
 710 {
 711   Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
 712   if (!anAIS.IsNull()) {
 713     Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
 714     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
 715     if (!aDim.IsNull()) {
 716       aCtx->SetZLayer(aDim, myVisualLayerId);
 717     } else {
 718       Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
 719       if (!aCons.IsNull())
 720         aCtx->SetZLayer(aCons, myVisualLayerId);
 721     }
 722   }
 723 }
 724
 725 void PartSet_Module::onBeforeObjectErase(ObjectPtr theObject, AISObjectPtr theAIS)
 726 {
 727   // it should be recomputed in order to disappear in the viewer if the corresponded object
 728   // is erased
 729   if (myCustomPrs->isActive())
 730     myCustomPrs->customize(theObject);
 731 }
 732
 733 void PartSet_Module::onViewTransformed(int theTrsfType)
 734 {
 735   // Set length of arrows constant in pixel size
 736   // if the operation is panning or rotate or panglobal then do nothing
 737   if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
 738     return;
 739
 740   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 741   //Handle(V3d_View) aView = aViewer->activeView();
 742
 743   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 744   XGUI_Workshop* aWorkshop = aConnector->workshop();
 745   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 746   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 747
 748   Handle(V3d_Viewer) aV3dViewer = aContext->CurrentViewer();
 749   Handle(V3d_View) aView;
 750   double aScale = 0;
 751   for (aV3dViewer->InitDefinedViews();
 752        aV3dViewer->MoreDefinedViews();
 753        aV3dViewer->NextDefinedViews()) {
 754     Handle(V3d_View) aV = aV3dViewer->DefinedView();
 755     double aS = aV->Scale();
 756     if (aS > aScale) {
 757       aScale = aS;
 758       aView = aV;
 759     }
 760   }
 761   if (aView.IsNull())
 762     return;
 763   double aLen = aView->Convert(20);
 764
 765   double aPrevLen = SketcherPrs_Tools::getArrowSize();
 766   SketcherPrs_Tools::setArrowSize(aLen);
 767   const double aPrevScale = aViewer->Scale(aViewer->activeView());
 768   const double aCurScale = aViewer->activeView()->Camera()->Scale();
 769   aViewer->SetScale(aViewer->activeView(), aCurScale);
 770   SketcherPrs_Tools::setTextHeight (aCurScale / aPrevScale * SketcherPrs_Tools::getTextHeight());
 771   bool isModified = false;
 772   QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
 773   foreach (AISObjectPtr aAIS, aPrsList) {
 774     Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 775
 776     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
 777     if (!aDim.IsNull()) {
 778       aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
 779       aContext->Redisplay(aDim, false);
 780       isModified = true;
 781     }
 782   }
 783   if (isModified)
 784     aDisplayer->updateViewer();
 785 }
 786
 787 void PartSet_Module::customizeObject(ObjectPtr theObject)
 788 {
 789   if (myCustomPrs->isActive())
 790     myCustomPrs->customize(theObject);
 791 }
 792
 793 void PartSet_Module::customizeObjectBrowser(QWidget* theObjectBrowser)
 794 {
 795   XGUI_ObjectsBrowser* aOB = dynamic_cast<XGUI_ObjectsBrowser*>(theObjectBrowser);
 796   if (aOB) {
 797     QLineEdit* aLabel = aOB->activeDocLabel();
 798     QPalette aPalet = aLabel->palette();
 799     aPalet.setColor(QPalette::Text, QColor(0, 72, 140));
 800     aLabel->setPalette(aPalet);
 801     aOB->treeView()->setExpandsOnDoubleClick(false);
 802 #ifdef ModuleDataModel
 803     connect(aOB->treeView(), SIGNAL(doubleClicked(const QModelIndex&)),
 804       SLOT(onTreeViewDoubleClick(const QModelIndex&)));
 805     connect(aOB, SIGNAL(headerMouseDblClicked(const QModelIndex&)),
 806       SLOT(onTreeViewDoubleClick(const QModelIndex&)));
 807     connect(aOB->treeView(), SIGNAL(doubleClicked(const QModelIndex&)),
 808       myDataModel, SLOT(onMouseDoubleClick(const QModelIndex&)));
 809 #endif
 810   }
 811 }
 812
 813 ObjectPtr PartSet_Module::findPresentedObject(const AISObjectPtr& theAIS) const
 814 {
 815   ObjectPtr anObject;
 816   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 817   if (aOperation) {
 818     /// If last line finished on vertex the lines creation sequence has to be break
 819     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 820     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 821     // if there is an active widget, find the presented object in it
 822     if (!anActiveWidget)
 823       anActiveWidget = aPanel->preselectionWidget();
 824
 825     ModuleBase_WidgetValidated* aWidgetValidated = dynamic_cast<ModuleBase_WidgetValidated*>
 826                                                                            (anActiveWidget);
 827     if (aWidgetValidated)
 828       anObject = aWidgetValidated->findPresentedObject(theAIS);
 829   }
 830   return anObject;
 831 }
 832
 833 void PartSet_Module::addObjectBrowserMenu(QMenu* theMenu) const
 834 {
 835   QObjectPtrList aObjects = myWorkshop->selection()->selectedObjects();
 836   int aSelected = aObjects.size();
 837   SessionPtr aMgr = ModelAPI_Session::get();
 838   if (aSelected == 1) {
 839     bool hasResult = false;
 840     bool hasFeature = false;
 841     bool hasParameter = false;
 842     bool hasSubFeature = false;
 843     ModuleBase_Tools::checkObjects(aObjects, hasResult, hasFeature, hasParameter, hasSubFeature);
 844
 845     ObjectPtr aObject = aObjects.first();
 846     if (aObject) {
 847       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObject);
 848       FeaturePtr aPartFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
 849       bool isPart = aPart.get() ||
 850         (aPartFeature.get() && (aPartFeature->getKind() == PartSetPlugin_Part::ID()));
 851       if (isPart) {
 852         DocumentPtr aPartDoc;
 853         if (!aPart.get()) {
 854           aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aPartFeature->firstResult());
 855         }
 856         if (aPart.get()) // this may be null is Part feature is disabled
 857           aPartDoc = aPart->partDoc();
 858         if (aMgr->activeDocument() == aPartDoc)
 859           theMenu->addAction(myMenuMgr->action("DEACTIVATE_PART_CMD"));
 860         else
 861           theMenu->addAction(myMenuMgr->action("ACTIVATE_PART_CMD"));
 862       } else if (aObject->document() == aMgr->activeDocument()) {
 863         if (hasParameter || hasFeature)
 864           theMenu->addAction(myMenuMgr->action("EDIT_CMD"));
 865       }
 866
 867       ResultBodyPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObject);
 868       if( aResult.get() )
 869       {
 870         theMenu->addAction(myMenuMgr->action("SELECT_PARENT_CMD"));
 871       }
 872     } else {  // If feature is 0 the it means that selected root object (document)
 873       if (aMgr->activeDocument() != aMgr->moduleDocument())
 874         theMenu->addAction(myMenuMgr->action("ACTIVATE_PARTSET_CMD"));
 875     }
 876   } else if (aSelected == 0) {
 877     // if there is no selection then it means that upper label is selected
 878     QModelIndexList aIndexes = myWorkshop->selection()->selectedIndexes();
 879     if (aIndexes.size() == 0) // it means that selection happens in top label outside of tree view
 880       if (aMgr->activeDocument() != aMgr->moduleDocument())
 881         theMenu->addAction(myMenuMgr->action("ACTIVATE_PARTSET_CMD"));
 882   }
 883   bool aCanDeactivate = (myWorkshop->currentOperation() == 0);
 884   myMenuMgr->action("ACTIVATE_PARTSET_CMD")->setEnabled(aCanDeactivate);
 885   myMenuMgr->action("DEACTIVATE_PART_CMD")->setEnabled(aCanDeactivate);
 886   myMenuMgr->action("ACTIVATE_PART_CMD")->setEnabled(aCanDeactivate);
 887 }
 888
 889 void PartSet_Module::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 890 {
 891   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
 892     // Do not change activation of parts if an operation active
 893     static QStringList aAllowActivationList;
 894     if (aAllowActivationList.isEmpty())
 895       aAllowActivationList <<
 896       QString(PartSetPlugin_Part::ID().c_str()) <<
 897       QString(PartSetPlugin_Duplicate::ID().c_str()) <<
 898       QString(PartSetPlugin_Remove::ID().c_str());
 899     if (myWorkshop->currentOperation() &&
 900       (!aAllowActivationList.contains(myWorkshop->currentOperation()->id())))
 901       return;
 902     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 903     XGUI_Workshop* aWorkshop = aConnector->workshop();
 904     XGUI_DataTree* aTreeView = aWorkshop->objectBrowser()->treeView();
 905     QLineEdit* aLabel = aWorkshop->objectBrowser()->activeDocLabel();
 906     QPalette aPalet = aLabel->palette();
 907
 908     SessionPtr aMgr = ModelAPI_Session::get();
 909     DocumentPtr aActiveDoc = aMgr->activeDocument();
 910 #ifdef ModuleDataModel
 911     QModelIndex aOldIndex = myDataModel->activePartTree();
 912     DocumentPtr aDoc = aMgr->moduleDocument();
 913     if (aActiveDoc == aDoc) {
 914       if (aOldIndex.isValid())
 915         aTreeView->setExpanded(aOldIndex, false);
 916       myDataModel->deactivatePart();
 917       aPalet.setColor(QPalette::Text, QColor(0, 72, 140));
 918     } else {
 919       std::string aGrpName = ModelAPI_ResultPart::group();
 920       for (int i = 0; i < aDoc->size(aGrpName); i++) {
 921         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aDoc->object(aGrpName, i));
 922         if (aPart->partDoc() == aActiveDoc) {
 923           QModelIndex aIndex = myDataModel->partIndex(aPart);
 924           if (myDataModel->activatePart(aIndex)) {
 925             if (aOldIndex.isValid())
 926               aTreeView->setExpanded(aOldIndex, false);
 927             aTreeView->setExpanded(myDataModel->activePartTree(), true);
 928             aPalet.setColor(QPalette::Text, Qt::black);
 929           }
 930           break;
 931         }
 932       }
 933     }
 934 #else
 935     // Problem with MPV: At first time on creation it doesn't work because Part feature
 936     // creation event will be sent after
 937     if (aActivePartIndex.isValid())
 938       aTreeView->setExpanded(aActivePartIndex, false);
 939     XGUI_DataModel* aDataModel = aWorkshop->objectBrowser()->dataModel();
 940     aActivePartIndex = aDataModel->documentRootIndex(aActiveDoc);
 941     if (aActivePartIndex.isValid())
 942       aTreeView->setExpanded(aActivePartIndex, true);
 943 #endif
 944     aLabel->setPalette(aPalet);
 945     aWorkshop->updateCommandStatus();
 946
 947     // Update displayed objects in order to update active color
 948     XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 949     QObjectPtrList aObjects = aDisplayer->displayedObjects();
 950     foreach(ObjectPtr aObj, aObjects)
 951       aDisplayer->redisplay(aObj, false);
 952     aDisplayer->updateViewer();
 953   }
 954 }
 955
 956 void PartSet_Module::onTreeViewDoubleClick(const QModelIndex& theIndex)
 957 {
 958   if (myWorkshop->currentOperation()) // Do not change activation of parts if an operation active
 959     return;
 960   SessionPtr aMgr = ModelAPI_Session::get();
 961   if (!theIndex.isValid()) {
 962     aMgr->setActiveDocument(aMgr->moduleDocument());
 963     return;
 964   }
 965   if (theIndex.column() != 0) // Use only first column
 966     return;
 967   ObjectPtr aObj = myDataModel->object(theIndex);
 968   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 969   if (!aPart.get()) { // Probably this is Feature
 970     FeaturePtr aPartFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 971     if (aPartFeature.get() && (aPartFeature->getKind() == PartSetPlugin_Part::ID())) {
 972       aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aPartFeature->firstResult());
 973     }
 974   }
 975   if (aPart.get()) { // if this is a part
 976     if (aPart->partDoc() == aMgr->activeDocument()) {
 977       aMgr->setActiveDocument(aMgr->moduleDocument());
 978     } else {
 979       aPart->activate();
 980     }
 981   }
 982 }
 983
 984
 985 void PartSet_Module::onViewCreated(ModuleBase_IViewWindow*)
 986 {
 987   // z layer is created for all started operations in order to visualize operation AIS presentation
 988   // over the object
 989   Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 990   if (myVisualLayerId == 0) {
 991     if (myVisualLayerId == 0)
 992       aViewer->AddZLayer(myVisualLayerId);
 993   } else {
 994     TColStd_SequenceOfInteger aZList;
 995     aViewer->GetAllZLayers(aZList);
 996     bool aFound = false;
 997     for (int i = 1; i <= aZList.Length(); i++) {
 998       if (aZList(i) == myVisualLayerId) {
 999         aFound = true;
1000         break;
1001       }
1002     }
1003     if (!aFound)
1004       aViewer->AddZLayer(myVisualLayerId);
1005   }
1006 }