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_WidgetMultiSelector.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 <GeomValidators_Edge.h>
  22 #include <GeomValidators_EdgeOrVertex.h>
  23 #include <GeomValidators_Face.h>
  24 #include <GeomValidators_ConstructionComposite.h>
  25
  26
  27 #include <ModelAPI_Object.h>
  28 #include <ModelAPI_Events.h>
  29 #include <ModelAPI_Validator.h>
  30 #include <ModelAPI_Data.h>
  31 #include <ModelAPI_Session.h>
  32 #include <ModelAPI_ShapeValidator.h>
  33
  34 #include <GeomDataAPI_Point2D.h>
  35 #include <GeomDataAPI_Point.h>
  36 #include <GeomDataAPI_Dir.h>
  37
  38 #include <XGUI_Displayer.h>
  39 #include <XGUI_Workshop.h>
  40 #include <XGUI_OperationMgr.h>
  41 #include <XGUI_PropertyPanel.h>
  42 #include <XGUI_ModuleConnector.h>
  43 #include <XGUI_ContextMenuMgr.h>
  44 #include <XGUI_Tools.h>
  45
  46 #include <SketchPlugin_Feature.h>
  47 #include <SketchPlugin_Sketch.h>
  48 #include <SketchPlugin_Line.h>
  49 #include <SketchPlugin_Arc.h>
  50 #include <SketchPlugin_Circle.h>
  51 #include <SketchPlugin_Point.h>
  52 #include <SketchPlugin_ConstraintLength.h>
  53 #include <SketchPlugin_ConstraintDistance.h>
  54 #include <SketchPlugin_ConstraintParallel.h>
  55 #include <SketchPlugin_ConstraintPerpendicular.h>
  56 #include <SketchPlugin_ConstraintRadius.h>
  57
  58 #include <SketcherPrs_SymbolPrs.h>
  59 #include <SketcherPrs_Tools.h>
  60
  61 #include <Events_Loop.h>
  62 #include <Config_PropManager.h>
  63 #include <Config_Keywords.h>
  64
  65 #include <StdSelect_TypeOfFace.hxx>
  66 #include <TopoDS_Vertex.hxx>
  67 #include <TopoDS.hxx>
  68 #include <TopoDS_Shape.hxx>
  69 #include <BRep_Tool.hxx>
  70 #include <AIS_Dimension.hxx>
  71
  72 #include <QObject>
  73 #include <QMouseEvent>
  74 #include <QString>
  75 #include <QTimer>
  76 #include <QApplication>
  77 #include <QMessageBox>
  78 #include <QMainWindow>
  79
  80 #include <GeomAlgoAPI_FaceBuilder.h>
  81 #include <GeomDataAPI_Dir.h>
  82
  83 #ifdef _DEBUG
  84 #include <QDebug>
  85 #endif
  86
  87 /*!Create and return new instance of XGUI_Module*/
  88 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
  89 {
  90   return new PartSet_Module(theWshop);
  91 }
  92
  93 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
  94   : ModuleBase_IModule(theWshop),
  95   myRestartingMode(RM_None), myVisualLayerId(0)
  96 {
  97   mySketchMgr = new PartSet_SketcherMgr(this);
  98
  99   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
 100   XGUI_Workshop* aWorkshop = aConnector->workshop();
 101
 102   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 103   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
 104   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
 105           this, SLOT(onOperationActivatedByPreselection()));
 106
 107   ModuleBase_IViewer* aViewer = theWshop->viewer();
 108   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 109           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 110   connect(aViewer, SIGNAL(viewTransformed(int)),
 111           SLOT(onViewTransformed(int)));
 112
 113   myMenuMgr = new PartSet_MenuMgr(this);
 114 }
 115
 116 PartSet_Module::~PartSet_Module()
 117 {
 118   if (!myDocumentShapeFilter.IsNull())
 119     myDocumentShapeFilter.Nullify();
 120 }
 121
 122 void PartSet_Module::registerValidators()
 123 {
 124   //Registering of validators
 125   SessionPtr aMgr = ModelAPI_Session::get();
 126   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 127   aFactory->registerValidator("PartSet_DistanceSelection", new PartSet_DistanceSelection);
 128   aFactory->registerValidator("PartSet_LengthSelection", new PartSet_LengthSelection);
 129   aFactory->registerValidator("PartSet_PerpendicularSelection", new PartSet_PerpendicularSelection);
 130   aFactory->registerValidator("PartSet_ParallelSelection", new PartSet_ParallelSelection);
 131   aFactory->registerValidator("PartSet_RadiusSelection", new PartSet_RadiusSelection);
 132   aFactory->registerValidator("PartSet_RigidSelection", new PartSet_RigidSelection);
 133   aFactory->registerValidator("PartSet_CoincidentSelection", new PartSet_CoincidentSelection);
 134   aFactory->registerValidator("PartSet_HVDirSelection", new PartSet_HVDirSelection);
 135   aFactory->registerValidator("PartSet_TangentSelection", new PartSet_TangentSelection);
 136   aFactory->registerValidator("PartSet_FilletSelection", new PartSet_FilletSelection);
 137
 138   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 139   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 140
 141   aFactory->registerValidator("GeomValidators_Edge", new GeomValidators_Edge);
 142   aFactory->registerValidator("GeomValidators_EdgeOrVertex",
 143                               new GeomValidators_EdgeOrVertex);
 144   aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
 145
 146   aFactory->registerValidator("GeomValidators_ConstructionComposite",
 147                               new GeomValidators_ConstructionComposite);
 148
 149   aFactory->registerValidator("PartSet_SketchEntityValidator",
 150                               new PartSet_SketchEntityValidator);
 151
 152   aFactory->registerValidator("PartSet_SameTypeAttr",
 153                               new PartSet_SameTypeAttrValidator);
 154 }
 155
 156 void PartSet_Module::registerFilters()
 157 {
 158   //Registering of selection filters
 159   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 160   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 161 }
 162
 163 void PartSet_Module::registerProperties()
 164 {
 165   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 166                                    PLANE_SIZE);
 167   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 168                                    Config_Prop::Integer, SKETCH_WIDTH);
 169 }
 170
 171 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 172 {
 173   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 174     mySketchMgr->commitNestedSketch(theOperation);
 175   }
 176
 177   if (theOperation->isEditOperation())
 178     return;
 179   // the selection is cleared after commit the create operation
 180   // in order to do not use the same selected objects in the restarted operation
 181   // for common behaviour, the selection is cleared even if the operation is not restarted
 182   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 183   if (!aContext.IsNull())
 184     aContext->ClearSelected();
 185
 186   /// Restart sketcher operations automatically
 187   FeaturePtr aFeature = theOperation->feature();
 188   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 189             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 190   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 191                      myRestartingMode == RM_EmptyFeatureUsed)) {
 192     myLastOperationId = theOperation->id();
 193     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 194
 195     launchOperation(myLastOperationId);
 196   }
 197   breakOperationSequence();
 198 }
 199
 200 void PartSet_Module::breakOperationSequence()
 201 {
 202   myLastOperationId = "";
 203   myLastFeature = FeaturePtr();
 204   myRestartingMode = RM_None;
 205 }
 206
 207 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 208 {
 209   breakOperationSequence();
 210 }
 211
 212 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 213 {
 214   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 215     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 216     aViewer->AddZLayer(myVisualLayerId);
 217     mySketchMgr->startSketch(theOperation);
 218   }
 219   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 220     mySketchMgr->startNestedSketch(theOperation);
 221   }
 222
 223   if (myDocumentShapeFilter.IsNull())
 224     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 225   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 226 }
 227
 228 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 229 {
 230   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 231     mySketchMgr->stopSketch(theOperation);
 232     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 233     aViewer->RemoveZLayer(myVisualLayerId);
 234     myVisualLayerId = 0;
 235   }
 236   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 237     mySketchMgr->stopNestedSketch(theOperation);
 238   }
 239   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 240 }
 241
 242 ModuleBase_Operation* PartSet_Module::currentOperation() const
 243 {
 244   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 245   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 246   return anOpMgr->currentOperation();
 247 }
 248
 249 bool PartSet_Module::canUndo() const
 250 {
 251   bool aCanUndo = false;
 252   SessionPtr aMgr = ModelAPI_Session::get();
 253   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 254     aCanUndo = !aMgr->isOperation();
 255     if (!aCanUndo) // check the enable state additionally by sketch manager
 256       aCanUndo = aMgr->canUndo();
 257   }
 258   return aCanUndo;
 259 }
 260
 261 bool PartSet_Module::canRedo() const
 262 {
 263   bool aCanRedo = false;
 264   SessionPtr aMgr = ModelAPI_Session::get();
 265   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 266     aCanRedo = !aMgr->isOperation();
 267     if (!aCanRedo) // check the enable state additionally by sketch manager
 268       aCanRedo = aMgr->canRedo();
 269   }
 270   return aCanRedo;
 271 }
 272
 273 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 274 {
 275   // the sketch manager put the restriction to the objects display
 276   return mySketchMgr->canDisplayObject(theObject);
 277 }
 278
 279
 280 bool PartSet_Module::addViewerItems(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
 281 {
 282   return myMenuMgr->addViewerItems(theMenu, theStdActions);
 283 }
 284
 285 bool PartSet_Module::isMouseOverWindow()
 286 {
 287   return mySketchMgr->isMouseOverWindow();
 288 }
 289
 290 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 291 {
 292   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 293   if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
 294     // we have to manually activate the sketch label in edit mode
 295       aPanel->activateWidget(aPanel->modelWidgets().first());
 296       return;
 297   }
 298
 299   // Restart last operation type
 300   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 301     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 302     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 303       // Initialise new line with first point equal to end of previous
 304       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 305       if (aPnt2dWgt) {
 306         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 307         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 308           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 309         if (aPoint) {
 310           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 311           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 312             aWgt->attributeID(), aPoint->x(), aPoint->y());
 313           aPanel->activateNextWidget(aPnt2dWgt);
 314         }
 315       }
 316     }
 317   } else {
 318     // Start editing constraint
 319     if (theOperation->isEditOperation()) {
 320       // TODO: #391 - to be removed
 321       std::string aId = theOperation->id().toStdString();
 322       if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
 323           PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
 324         // Find and activate widget for management of point for dimension line position
 325         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 326         foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 327           PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 328           if (aPntWgt) {
 329             aPanel->activateWidget(aPntWgt);
 330             return;
 331           }
 332         }
 333       }
 334     }
 335   }
 336 }
 337
 338
 339 void PartSet_Module::onSelectionChanged()
 340 {
 341   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 342   if (!aOperation)
 343     return;
 344
 345   bool isSketcherOp = false;
 346   // An edit operation is enable only if the current opeation is the sketch operation
 347   if (mySketchMgr->activeSketch()) {
 348     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 349       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 350   }
 351   if (isSketcherOp) {
 352     // Editing of constraints can be done on selection
 353     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 354     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 355     if (aSelected.size() == 1) {
 356       ModuleBase_ViewerPrs aPrs = aSelected.first();
 357       ObjectPtr aObject = aPrs.object();
 358       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 359       if (aFeature) {
 360         std::string aId = aFeature->getKind();
 361         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 362             (aId == SketchPlugin_ConstraintLength::ID()) ||
 363             (aId == SketchPlugin_ConstraintDistance::ID())) {
 364           editFeature(aFeature);
 365         }
 366       }
 367     }
 368   }
 369 }
 370
 371 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 372 {
 373   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 374   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 375   anOpMgr->onKeyReleased(theEvent);
 376 }
 377
 378 void PartSet_Module::onEnterReleased()
 379 {
 380   myRestartingMode = RM_EmptyFeatureUsed;
 381 }
 382
 383 void PartSet_Module::onOperationActivatedByPreselection()
 384 {
 385   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 386   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 387     // Set final definitions if they are necessary
 388     //propertyPanelDefined(aOperation);
 389
 390     /// Commit sketcher operations automatically
 391     anOperation->commit();
 392   }
 393 }
 394
 395 void PartSet_Module::onNoMoreWidgets()
 396 {
 397   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 398   if (anOperation) {
 399     if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 400       if (myRestartingMode != RM_Forbided)
 401         myRestartingMode = RM_LastFeatureUsed;
 402       anOperation->commit();
 403     }
 404   }
 405 }
 406
 407 void PartSet_Module::onVertexSelected()
 408 {
 409   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 410   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 411     /// If last line finished on vertex the lines creation sequence has to be break
 412     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 413     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 414     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 415     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 416     bool aFoundWidget = false;
 417     bool aFoundObligatory = false;
 418     for (; anIt != aLast && !aFoundObligatory; anIt++) {
 419       if (!aFoundWidget)
 420         aFoundWidget = *anIt == anActiveWidget;
 421       else
 422         aFoundObligatory = (*anIt)->isObligatory();
 423     }
 424     if (!aFoundObligatory)
 425       myRestartingMode = RM_Forbided;
 426   }
 427 }
 428
 429 ModuleBase_ModelWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 430                                             Config_WidgetAPI* theWidgetApi, std::string theParentId)
 431 {
 432   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 433   XGUI_Workshop* aWorkshop = aConnector->workshop();
 434   ModuleBase_ModelWidget* aWgt = NULL;
 435   if (theType == "sketch-start-label") {
 436     PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent,
 437       theWidgetApi, theParentId, mySketchMgr->isConstraintsShown());
 438     aLabelWgt->setWorkshop(aWorkshop);
 439     connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 440       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 441     connect(aLabelWgt, SIGNAL(showConstraintToggled(bool)),
 442       mySketchMgr, SLOT(onShowConstraintsToggle(bool)));
 443     aWgt = aLabelWgt;
 444   } else if (theType == "sketch-2dpoint_selector") {
 445     PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 446     aPointWgt->setWorkshop(aWorkshop);
 447     aPointWgt->setSketch(mySketchMgr->activeSketch());
 448     connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 449     aWgt = aPointWgt;
 450   } if (theType == "point2ddistance") {
 451     PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 452     aDistanceWgt->setWorkshop(aWorkshop);
 453     aDistanceWgt->setSketch(mySketchMgr->activeSketch());
 454     aWgt = aDistanceWgt;
 455   } if (theType == "sketch_shape_selector") {
 456     PartSet_WidgetShapeSelector* aShapeSelectorWgt =
 457       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 458     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 459     aWgt = aShapeSelectorWgt;
 460   } if (theType == "sketch_multi_selector") {
 461     PartSet_WidgetMultiSelector* aShapeSelectorWgt =
 462       new PartSet_WidgetMultiSelector(theParent, workshop(), theWidgetApi, theParentId);
 463     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 464     aWgt = aShapeSelectorWgt;
 465   }
 466   if (theType == WDG_DOUBLEVALUE_EDITOR) {
 467     aWgt = new PartSet_WidgetEditor(theParent, workshop(), theWidgetApi, theParentId);
 468   }
 469   return aWgt;
 470 }
 471
 472
 473 bool PartSet_Module::deleteObjects()
 474 {
 475   // 1. check whether the delete should be processed in the module
 476   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 477   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 478        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 479   if (!isSketchOp && !isNestedOp)
 480     return false;
 481
 482   // 2. find selected presentations
 483   // selected objects should be collected before the current operation abort because
 484   // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 485   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 486   XGUI_Workshop* aWorkshop = aConnector->workshop();
 487   ModuleBase_ISelection* aSel = workshop()->selection();
 488   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 489   // if there are no selected objects in the viewer, that means that the selection in another
 490   // place cased this method. It is necessary to return the false value to understande in above
 491   // method that delete is not processed
 492   if (aSelectedObj.count() == 0)
 493     return false;
 494
 495   // avoid delete of the objects, which are not belong to the current sketch
 496   // in order to do not delete results of other sketches
 497   QObjectPtrList aSketchObjects;
 498   QObjectPtrList::const_iterator anIt = aSelectedObj.begin(), aLast = aSelectedObj.end();
 499   for ( ; anIt != aLast; anIt++) {
 500     ObjectPtr anObject = *anIt;
 501     if (mySketchMgr->isObjectOfSketch(anObject))
 502       aSketchObjects.append(anObject);
 503   }
 504   // if the selection contains only local selected presentations from other sketches,
 505   // the Delete operation should not be done at all
 506   if (aSketchObjects.size() == 0)
 507     return true;
 508
 509   // the active nested sketch operation should be aborted unconditionally
 510   if (isNestedOp)
 511     anOperation->abort();
 512
 513   // 3. start operation
 514   QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
 515   SessionPtr aMgr = ModelAPI_Session::get();
 516   aMgr->startOperation(aDescription.toStdString());
 517
 518   // 4. delete features
 519   // sketch feature should be skipped, only sub-features can be removed
 520   // when sketch operation is active
 521   std::set<FeaturePtr> anIgnoredFeatures;
 522   anIgnoredFeatures.insert(mySketchMgr->activeSketch());
 523   aWorkshop->deleteFeatures(aSketchObjects, anIgnoredFeatures);
 524
 525   // 5. stop operation
 526   aWorkshop->displayer()->updateViewer();
 527   aMgr->finishOperation();
 528
 529   return true;
 530 }
 531
 532
 533 void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS)
 534 {
 535   Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
 536   if (!anAIS.IsNull()) {
 537     Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
 538     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
 539     if (!aDim.IsNull()) {
 540       aCtx->SetZLayer(aDim, myVisualLayerId);
 541     } else {
 542       Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
 543       if (!aCons.IsNull())
 544         aCtx->SetZLayer(aCons, myVisualLayerId);
 545     }
 546   }
 547 }
 548
 549 void PartSet_Module::onViewTransformed(int theTrsfType)
 550 {
 551   // Set length of arrows constant in pixel size
 552   // if the operation is panning or rotate or panglobal then do nothing
 553   if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
 554     return;
 555
 556   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 557   Handle(V3d_View) aView = aViewer->activeView();
 558
 559   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 560   XGUI_Workshop* aWorkshop = aConnector->workshop();
 561   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 562   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 563
 564   double aLen = aView->Convert(15);
 565
 566   SketcherPrs_Tools::setArrowSize(aLen);
 567   bool isModified = false;
 568   QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
 569   foreach (AISObjectPtr aAIS, aPrsList) {
 570     Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 571
 572     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
 573     if (!aDim.IsNull()) {
 574       aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
 575       aContext->Redisplay(aDim, false);
 576       isModified = true;
 577     }
 578   }
 579   if (isModified)
 580     aDisplayer->updateViewer();
 581 }