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_WidgetConstraintShapeSelector.h>
  11 #include <PartSet_WidgetEditor.h>
  12 #include "PartSet_SketcherMgr.h"
  13 #include "PartSet_MenuMgr.h"
  14
  15 #include <ModuleBase_Operation.h>
  16 #include <ModuleBase_IViewer.h>
  17 #include <ModuleBase_IViewWindow.h>
  18 #include <ModuleBase_IPropertyPanel.h>
  19 #include <ModuleBase_WidgetEditor.h>
  20 #include <ModuleBase_FilterFactory.h>
  21 #include <ModuleBase_FilterLinearEdge.h>
  22 #include <ModuleBase_FilterFace.h>
  23 #include <ModuleBase_FilterMulti.h>
  24 #include <ModuleBase_FilterCustom.h>
  25 #include <ModuleBase_FilterNoConsructionSubShapes.h>
  26 #include <GeomValidators_Edge.h>
  27 #include <GeomValidators_EdgeOrVertex.h>
  28 #include <GeomValidators_Face.h>
  29 #include <GeomValidators_ConstructionComposite.h>
  30
  31 #include <PartSet_FilterSketchEntity.h>
  32
  33 #include <ModelAPI_Object.h>
  34 #include <ModelAPI_Events.h>
  35 #include <ModelAPI_Validator.h>
  36 #include <ModelAPI_Data.h>
  37 #include <ModelAPI_Session.h>
  38 #include <ModelAPI_ShapeValidator.h>
  39
  40 #include <GeomDataAPI_Point2D.h>
  41 #include <GeomDataAPI_Point.h>
  42 #include <GeomDataAPI_Dir.h>
  43
  44 #include <XGUI_Displayer.h>
  45 #include <XGUI_Workshop.h>
  46 #include <XGUI_OperationMgr.h>
  47 #include <XGUI_PropertyPanel.h>
  48 #include <XGUI_ModuleConnector.h>
  49 #include <XGUI_ContextMenuMgr.h>
  50 #include <XGUI_Tools.h>
  51
  52 #include <SketchPlugin_Feature.h>
  53 #include <SketchPlugin_Sketch.h>
  54 #include <SketchPlugin_Line.h>
  55 #include <SketchPlugin_Arc.h>
  56 #include <SketchPlugin_Circle.h>
  57 #include <SketchPlugin_Point.h>
  58 #include <SketchPlugin_ConstraintLength.h>
  59 #include <SketchPlugin_ConstraintDistance.h>
  60 #include <SketchPlugin_ConstraintParallel.h>
  61 #include <SketchPlugin_ConstraintPerpendicular.h>
  62 #include <SketchPlugin_ConstraintRadius.h>
  63
  64 #include <SketcherPrs_SymbolPrs.h>
  65 #include <SketcherPrs_Tools.h>
  66
  67 #include <Events_Loop.h>
  68 #include <Config_PropManager.h>
  69 #include <Config_Keywords.h>
  70
  71 #include <StdSelect_TypeOfFace.hxx>
  72 #include <TopoDS_Vertex.hxx>
  73 #include <TopoDS.hxx>
  74 #include <TopoDS_Shape.hxx>
  75 #include <BRep_Tool.hxx>
  76 #include <AIS_Dimension.hxx>
  77
  78 #include <QObject>
  79 #include <QMouseEvent>
  80 #include <QString>
  81 #include <QTimer>
  82 #include <QApplication>
  83 #include <QMessageBox>
  84 #include <QMainWindow>
  85
  86 #include <GeomAlgoAPI_FaceBuilder.h>
  87 #include <GeomDataAPI_Dir.h>
  88
  89 #ifdef _DEBUG
  90 #include <QDebug>
  91 #endif
  92
  93 /*!Create and return new instance of XGUI_Module*/
  94 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
  95 {
  96   return new PartSet_Module(theWshop);
  97 }
  98
  99 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
 100   : ModuleBase_IModule(theWshop),
 101   myRestartingMode(RM_None), myVisualLayerId(0)
 102 {
 103   mySketchMgr = new PartSet_SketcherMgr(this);
 104
 105   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
 106   XGUI_Workshop* aWorkshop = aConnector->workshop();
 107
 108   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 109   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
 110   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
 111           this, SLOT(onOperationActivatedByPreselection()));
 112
 113   ModuleBase_IViewer* aViewer = theWshop->viewer();
 114   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 115           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 116   connect(aViewer, SIGNAL(viewTransformed(int)),
 117           SLOT(onViewTransformed(int)));
 118
 119   myMenuMgr = new PartSet_MenuMgr(this);
 120 }
 121
 122 PartSet_Module::~PartSet_Module()
 123 {
 124   if (!myDocumentShapeFilter.IsNull())
 125     myDocumentShapeFilter.Nullify();
 126 }
 127
 128 void PartSet_Module::registerValidators()
 129 {
 130   //Registering of validators
 131   SessionPtr aMgr = ModelAPI_Session::get();
 132   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 133   aFactory->registerValidator("PartSet_DistanceValidator", new PartSet_DistanceValidator);
 134   aFactory->registerValidator("PartSet_LengthValidator", new PartSet_LengthValidator);
 135   aFactory->registerValidator("PartSet_PerpendicularValidator", new PartSet_PerpendicularValidator);
 136   aFactory->registerValidator("PartSet_ParallelValidator", new PartSet_ParallelValidator);
 137   aFactory->registerValidator("PartSet_RadiusValidator", new PartSet_RadiusValidator);
 138   aFactory->registerValidator("PartSet_RigidValidator", new PartSet_RigidValidator);
 139   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 140   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 141
 142   aFactory->registerValidator("GeomValidators_Edge", new GeomValidators_Edge);
 143   aFactory->registerValidator("GeomValidators_EdgeOrVertex",
 144                               new GeomValidators_EdgeOrVertex);
 145   aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
 146
 147   aFactory->registerValidator("GeomValidators_ConstructionComposite",
 148                               new GeomValidators_ConstructionComposite);
 149
 150   aFactory->registerValidator("PartSet_SketchEntityValidator",
 151                               new PartSet_SketchEntityValidator);
 152
 153   aFactory->registerValidator("PartSet_SameTypeAttr",
 154                               new PartSet_SameTypeAttrValidator);
 155 }
 156
 157 void PartSet_Module::registerFilters()
 158 {
 159   //Registering of selection filters
 160   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 161   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 162
 163   //aFactory->registerFilter("EdgeFilter", new ModuleBase_FilterLinearEdge);
 164   //aFactory->registerFilter("FaceFilter", new ModuleBase_FilterFace);
 165   //aFactory->registerFilter("MultiFilter", new ModuleBase_FilterMulti);
 166   //Handle(SelectMgr_Filter) aSelectFilter = new ModuleBase_FilterNoConsructionSubShapes(workshop());
 167   //aFactory->registerFilter("NoConstructionSubShapesFilter",
 168   //          new ModuleBase_FilterCustom(aSelectFilter));
 169   //Handle(SelectMgr_Filter) aSelectFilter = new PartSet_FilterSketchEntity(workshop());
 170   //aFactory->registerFilter("SketchEntityFilter", new ModuleBase_FilterCustom(aSelectFilter));
 171 }
 172
 173 void PartSet_Module::registerProperties()
 174 {
 175   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 176                                    PLANE_SIZE);
 177   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 178                                    Config_Prop::Integer, SKETCH_WIDTH);
 179 }
 180
 181 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 182 {
 183   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 184     mySketchMgr->commitNestedSketch(theOperation);
 185   }
 186
 187   if (theOperation->isEditOperation())
 188     return;
 189   // the selection is cleared after commit the create operation
 190   // in order to do not use the same selected objects in the restarted operation
 191   // for common behaviour, the selection is cleared even if the operation is not restarted
 192   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 193   if (!aContext.IsNull())
 194     aContext->ClearSelected();
 195
 196   /// Restart sketcher operations automatically
 197   FeaturePtr aFeature = theOperation->feature();
 198   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 199             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 200   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 201                      myRestartingMode == RM_EmptyFeatureUsed)) {
 202     myLastOperationId = theOperation->id();
 203     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 204
 205     launchOperation(myLastOperationId);
 206   }
 207   breakOperationSequence();
 208 }
 209
 210 void PartSet_Module::breakOperationSequence()
 211 {
 212   myLastOperationId = "";
 213   myLastFeature = FeaturePtr();
 214   myRestartingMode = RM_None;
 215 }
 216
 217 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 218 {
 219   breakOperationSequence();
 220 }
 221
 222 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 223 {
 224   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 225     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 226     aViewer->AddZLayer(myVisualLayerId);
 227     mySketchMgr->startSketch(theOperation);
 228   }
 229   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 230     mySketchMgr->startNestedSketch(theOperation);
 231   }
 232
 233   if (myDocumentShapeFilter.IsNull())
 234     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 235   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 236 }
 237
 238 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 239 {
 240   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 241     mySketchMgr->stopSketch(theOperation);
 242     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 243     aViewer->RemoveZLayer(myVisualLayerId);
 244     myVisualLayerId = 0;
 245   }
 246   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 247     mySketchMgr->stopNestedSketch(theOperation);
 248   }
 249   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 250 }
 251
 252 ModuleBase_Operation* PartSet_Module::currentOperation() const
 253 {
 254   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 255   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 256   return anOpMgr->currentOperation();
 257 }
 258
 259 bool PartSet_Module::canUndo() const
 260 {
 261   bool aCanUndo = false;
 262   SessionPtr aMgr = ModelAPI_Session::get();
 263   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 264     aCanUndo = !aMgr->isOperation();
 265     if (!aCanUndo) // check the enable state additionally by sketch manager
 266       aCanUndo = aMgr->canUndo();
 267   }
 268   return aCanUndo;
 269 }
 270
 271 bool PartSet_Module::canRedo() const
 272 {
 273   bool aCanRedo = false;
 274   SessionPtr aMgr = ModelAPI_Session::get();
 275   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 276     aCanRedo = !aMgr->isOperation();
 277     if (!aCanRedo) // check the enable state additionally by sketch manager
 278       aCanRedo = aMgr->canRedo();
 279   }
 280   return aCanRedo;
 281 }
 282
 283 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 284 {
 285   // the sketch manager put the restriction to the objects display
 286   return mySketchMgr->canDisplayObject(theObject);
 287 }
 288
 289
 290 bool PartSet_Module::addViewerItems(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
 291 {
 292   return myMenuMgr->addViewerItems(theMenu, theStdActions);
 293 }
 294
 295 bool PartSet_Module::isMouseOverWindow()
 296 {
 297   return mySketchMgr->isMouseOverWindow();
 298 }
 299
 300 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 301 {
 302   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 303   if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
 304     // we have to manually activate the sketch label in edit mode
 305       aPanel->activateWidget(aPanel->modelWidgets().first());
 306       return;
 307   }
 308
 309   // Restart last operation type
 310   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 311     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 312     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 313       // Initialise new line with first point equal to end of previous
 314       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 315       if (aPnt2dWgt) {
 316         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 317         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 318           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 319         if (aPoint) {
 320           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 321           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 322             aWgt->attributeID(), aPoint->x(), aPoint->y());
 323           aPanel->activateNextWidget(aPnt2dWgt);
 324         }
 325       }
 326     }
 327   } else {
 328     // Start editing constraint
 329     if (theOperation->isEditOperation()) {
 330       // TODO: #391 - to be removed
 331       std::string aId = theOperation->id().toStdString();
 332       if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
 333           PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
 334         // Find and activate widget for management of point for dimension line position
 335         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 336         foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 337           PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 338           if (aPntWgt) {
 339             aPanel->activateWidget(aPntWgt);
 340             return;
 341           }
 342         }
 343       }
 344     }
 345   }
 346 }
 347
 348
 349 void PartSet_Module::onSelectionChanged()
 350 {
 351   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 352   if (!aOperation)
 353     return;
 354
 355   bool isSketcherOp = false;
 356   // An edit operation is enable only if the current opeation is the sketch operation
 357   if (mySketchMgr->activeSketch()) {
 358     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 359       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 360   }
 361   if (isSketcherOp) {
 362     // Editing of constraints can be done on selection
 363     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 364     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 365     if (aSelected.size() == 1) {
 366       ModuleBase_ViewerPrs aPrs = aSelected.first();
 367       ObjectPtr aObject = aPrs.object();
 368       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 369       if (aFeature) {
 370         std::string aId = aFeature->getKind();
 371         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 372             (aId == SketchPlugin_ConstraintLength::ID()) ||
 373             (aId == SketchPlugin_ConstraintDistance::ID())) {
 374           editFeature(aFeature);
 375         }
 376       }
 377     }
 378   }
 379 }
 380
 381 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 382 {
 383   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 384   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 385   anOpMgr->onKeyReleased(theEvent);
 386 }
 387
 388 void PartSet_Module::onEnterReleased()
 389 {
 390   myRestartingMode = RM_EmptyFeatureUsed;
 391 }
 392
 393 void PartSet_Module::onOperationActivatedByPreselection()
 394 {
 395   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 396   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 397     // Set final definitions if they are necessary
 398     //propertyPanelDefined(aOperation);
 399
 400     /// Commit sketcher operations automatically
 401     anOperation->commit();
 402   }
 403 }
 404
 405 void PartSet_Module::onNoMoreWidgets()
 406 {
 407   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 408   if (anOperation) {
 409     if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 410       if (myRestartingMode != RM_Forbided)
 411         myRestartingMode = RM_LastFeatureUsed;
 412       anOperation->commit();
 413     }
 414   }
 415 }
 416
 417 void PartSet_Module::onVertexSelected()
 418 {
 419   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 420   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 421     /// If last line finished on vertex the lines creation sequence has to be break
 422     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 423     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 424     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 425     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 426     bool aFoundWidget = false;
 427     bool aFoundObligatory = false;
 428     for (; anIt != aLast && !aFoundObligatory; anIt++) {
 429       if (!aFoundWidget)
 430         aFoundWidget = *anIt == anActiveWidget;
 431       else
 432         aFoundObligatory = (*anIt)->isObligatory();
 433     }
 434     if (!aFoundObligatory)
 435       myRestartingMode = RM_Forbided;
 436   }
 437 }
 438
 439 ModuleBase_ModelWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 440                                             Config_WidgetAPI* theWidgetApi, std::string theParentId)
 441 {
 442   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 443   XGUI_Workshop* aWorkshop = aConnector->workshop();
 444   ModuleBase_ModelWidget* aWgt = NULL;
 445   if (theType == "sketch-start-label") {
 446     PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent,
 447       theWidgetApi, theParentId, mySketchMgr->isConstraintsShown());
 448     aLabelWgt->setWorkshop(aWorkshop);
 449     connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 450       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 451     connect(aLabelWgt, SIGNAL(showConstraintToggled(bool)),
 452       mySketchMgr, SLOT(onShowConstraintsToggle(bool)));
 453     aWgt = aLabelWgt;
 454   } else if (theType == "sketch-2dpoint_selector") {
 455     PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 456     aPointWgt->setWorkshop(aWorkshop);
 457     aPointWgt->setSketch(mySketchMgr->activeSketch());
 458     connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 459     aWgt = aPointWgt;
 460   } if (theType == "point2ddistance") {
 461     PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 462     aDistanceWgt->setWorkshop(aWorkshop);
 463     aDistanceWgt->setSketch(mySketchMgr->activeSketch());
 464     aWgt = aDistanceWgt;
 465   } if (theType == "sketch_shape_selector") {
 466     PartSet_WidgetShapeSelector* aShapeSelectorWgt =
 467       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 468     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 469     aWgt = aShapeSelectorWgt;
 470   } if (theType == "sketch_constraint_shape_selector") {
 471     PartSet_WidgetConstraintShapeSelector* aConstraintShapeSelectorWgt =
 472       new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 473     aConstraintShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 474     aWgt = aConstraintShapeSelectorWgt;
 475   } if (theType == WDG_DOUBLEVALUE_EDITOR) {
 476     aWgt = new PartSet_WidgetEditor(theParent, workshop(), theWidgetApi, theParentId);
 477   }
 478   return aWgt;
 479 }
 480
 481
 482 bool PartSet_Module::deleteObjects()
 483 {
 484   // 1. check whether the delete should be processed in the module
 485   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 486   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 487        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 488   if (!isSketchOp && !isNestedOp)
 489     return false;
 490
 491   // 2. find selected presentations
 492   // selected objects should be collected before the current operation abort because
 493   // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 494   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 495   XGUI_Workshop* aWorkshop = aConnector->workshop();
 496   ModuleBase_ISelection* aSel = workshop()->selection();
 497   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 498   // if there are no selected objects in the viewer, that means that the selection in another
 499   // place cased this method. It is necessary to return the false value to understande in above
 500   // method that delete is not processed
 501   if (aSelectedObj.count() == 0)
 502     return false;
 503
 504   // the active nested sketch operation should be aborted unconditionally
 505   if (isNestedOp)
 506     anOperation->abort();
 507
 508   // 3. start operation
 509   QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
 510   SessionPtr aMgr = ModelAPI_Session::get();
 511   aMgr->startOperation(aDescription.toStdString());
 512
 513   // 4. delete features
 514   // sketch feature should be skipped, only sub-features can be removed
 515   // when sketch operation is active
 516   std::set<FeaturePtr> anIgnoredFeatures;
 517   anIgnoredFeatures.insert(mySketchMgr->activeSketch());
 518   aWorkshop->deleteFeatures(aSelectedObj, anIgnoredFeatures);
 519
 520   // 5. stop operation
 521   aWorkshop->displayer()->updateViewer();
 522   aMgr->finishOperation();
 523
 524   return true;
 525 }
 526
 527
 528 void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS)
 529 {
 530   Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
 531   if (!anAIS.IsNull()) {
 532     Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
 533     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
 534     if (!aDim.IsNull()) {
 535       aCtx->SetZLayer(aDim, myVisualLayerId);
 536     } else {
 537       Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
 538       if (!aCons.IsNull())
 539         aCtx->SetZLayer(aCons, myVisualLayerId);
 540     }
 541   }
 542 }
 543
 544 void PartSet_Module::onViewTransformed(int theTrsfType)
 545 {
 546   // Set length of arrows constant in pixel size
 547   // if the operation is panning or rotate or panglobal then do nothing
 548   if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
 549     return;
 550
 551   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 552   Handle(V3d_View) aView = aViewer->activeView();
 553
 554   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 555   XGUI_Workshop* aWorkshop = aConnector->workshop();
 556   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 557   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 558
 559   double aLen = aView->Convert(15);
 560
 561   SketcherPrs_Tools::setArrowSize(aLen);
 562   bool isModified = false;
 563   QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
 564   foreach (AISObjectPtr aAIS, aPrsList) {
 565     Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 566
 567     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
 568     if (!aDim.IsNull()) {
 569       aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
 570       aContext->Redisplay(aDim, false);
 571       isModified = true;
 572     }
 573   }
 574   if (isModified)
 575     aDisplayer->updateViewer();
 576 }