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_WidgetPoint2dAngle.h>
  10 #include <PartSet_WidgetShapeSelector.h>
  11 #include <PartSet_WidgetMultiSelector.h>
  12 #include <PartSet_WidgetEditor.h>
  13 #include "PartSet_SketcherMgr.h"
  14 #include "PartSet_MenuMgr.h"
  15
  16 #include <ModuleBase_Operation.h>
  17 #include <ModuleBase_IViewer.h>
  18 #include <ModuleBase_IViewWindow.h>
  19 #include <ModuleBase_IPropertyPanel.h>
  20 #include <ModuleBase_WidgetEditor.h>
  21 #include <ModuleBase_FilterFactory.h>
  22 #include <GeomValidators_ShapeType.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_ShapeType", new GeomValidators_ShapeType);
 142   aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
 143
 144   aFactory->registerValidator("GeomValidators_ConstructionComposite",
 145                               new GeomValidators_ConstructionComposite);
 146
 147   aFactory->registerValidator("PartSet_SketchEntityValidator",
 148                               new PartSet_SketchEntityValidator);
 149
 150   aFactory->registerValidator("PartSet_SameTypeAttr",
 151                               new PartSet_SameTypeAttrValidator);
 152 }
 153
 154 void PartSet_Module::registerFilters()
 155 {
 156   //Registering of selection filters
 157   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 158   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 159 }
 160
 161 void PartSet_Module::registerProperties()
 162 {
 163   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 164                                    PLANE_SIZE);
 165   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 166                                    Config_Prop::Integer, SKETCH_WIDTH);
 167 }
 168
 169 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 170 {
 171   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 172     mySketchMgr->commitNestedSketch(theOperation);
 173   }
 174
 175   if (theOperation->isEditOperation())
 176     return;
 177   // the selection is cleared after commit the create operation
 178   // in order to do not use the same selected objects in the restarted operation
 179   // for common behaviour, the selection is cleared even if the operation is not restarted
 180   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 181   if (!aContext.IsNull())
 182     aContext->ClearSelected();
 183
 184   /// Restart sketcher operations automatically
 185   FeaturePtr aFeature = theOperation->feature();
 186   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 187             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 188   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 189                      myRestartingMode == RM_EmptyFeatureUsed)) {
 190     myLastOperationId = theOperation->id();
 191     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 192
 193     launchOperation(myLastOperationId);
 194   }
 195   breakOperationSequence();
 196 }
 197
 198 void PartSet_Module::breakOperationSequence()
 199 {
 200   myLastOperationId = "";
 201   myLastFeature = FeaturePtr();
 202   myRestartingMode = RM_None;
 203 }
 204
 205 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 206 {
 207   breakOperationSequence();
 208 }
 209
 210 void PartSet_Module::sendOperation(ModuleBase_Operation* theOperation)
 211 {
 212   // Install the document filter before any other filter
 213   if (myDocumentShapeFilter.IsNull())
 214     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 215   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 216
 217   ModuleBase_IModule::sendOperation(theOperation);
 218 }
 219
 220 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 221 {
 222   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 223     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 224     aViewer->AddZLayer(myVisualLayerId);
 225     mySketchMgr->startSketch(theOperation);
 226   }
 227   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 228     mySketchMgr->startNestedSketch(theOperation);
 229   }
 230 }
 231
 232 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 233 {
 234   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 235     mySketchMgr->stopSketch(theOperation);
 236     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 237     aViewer->RemoveZLayer(myVisualLayerId);
 238     myVisualLayerId = 0;
 239   }
 240   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 241     mySketchMgr->stopNestedSketch(theOperation);
 242   }
 243   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 244 }
 245
 246 ModuleBase_Operation* PartSet_Module::currentOperation() const
 247 {
 248   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 249   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 250   return anOpMgr->currentOperation();
 251 }
 252
 253 bool PartSet_Module::canUndo() const
 254 {
 255   bool aCanUndo = false;
 256   SessionPtr aMgr = ModelAPI_Session::get();
 257   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 258     aCanUndo = !aMgr->isOperation();
 259     if (!aCanUndo) // check the enable state additionally by sketch manager
 260       aCanUndo = aMgr->canUndo();
 261   }
 262   return aCanUndo;
 263 }
 264
 265 bool PartSet_Module::canRedo() const
 266 {
 267   bool aCanRedo = false;
 268   SessionPtr aMgr = ModelAPI_Session::get();
 269   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 270     aCanRedo = !aMgr->isOperation();
 271     if (!aCanRedo) // check the enable state additionally by sketch manager
 272       aCanRedo = aMgr->canRedo();
 273   }
 274   return aCanRedo;
 275 }
 276
 277 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 278 {
 279   // the sketch manager put the restriction to the objects display
 280   return mySketchMgr->canDisplayObject(theObject);
 281 }
 282
 283
 284 bool PartSet_Module::addViewerItems(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
 285 {
 286   return myMenuMgr->addViewerItems(theMenu, theStdActions);
 287 }
 288
 289 void PartSet_Module::activeSelectionModes(QIntList& theModes)
 290 {
 291   theModes.clear();
 292   if (mySketchMgr->activeSketch().get())
 293     PartSet_SketcherMgr::sketchSelectionModes(theModes);
 294 }
 295
 296 bool PartSet_Module::isMouseOverWindow()
 297 {
 298   return mySketchMgr->isMouseOverWindow();
 299 }
 300
 301 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 302 {
 303   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 304   if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
 305     // we have to manually activate the sketch label in edit mode
 306       aPanel->activateWidget(aPanel->modelWidgets().first());
 307       return;
 308   }
 309
 310   // Restart last operation type
 311   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 312     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 313     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 314       // Initialise new line with first point equal to end of previous
 315       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 316       if (aPnt2dWgt) {
 317         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 318         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 319           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 320         if (aPoint) {
 321           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 322           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 323             aWgt->attributeID(), aPoint->x(), aPoint->y());
 324           aPanel->activateNextWidget(aPnt2dWgt);
 325         }
 326       }
 327     }
 328   } else {
 329     // Start editing constraint
 330     if (theOperation->isEditOperation()) {
 331       // TODO: #391 - to be removed
 332       std::string aId = theOperation->id().toStdString();
 333       if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
 334           PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
 335         // Find and activate widget for management of point for dimension line position
 336         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 337         foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 338           PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 339           if (aPntWgt) {
 340             aPanel->activateWidget(aPntWgt);
 341             return;
 342           }
 343         }
 344       }
 345     }
 346   }
 347 }
 348
 349
 350 void PartSet_Module::onSelectionChanged()
 351 {
 352   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 353   if (!aOperation)
 354     return;
 355
 356   bool isSketcherOp = false;
 357   // An edit operation is enable only if the current opeation is the sketch operation
 358   if (mySketchMgr->activeSketch()) {
 359     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 360       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 361   }
 362   if (isSketcherOp) {
 363     // Editing of constraints can be done on selection
 364     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 365     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 366     if (aSelected.size() == 1) {
 367       ModuleBase_ViewerPrs aPrs = aSelected.first();
 368       ObjectPtr aObject = aPrs.object();
 369       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 370       if (aFeature) {
 371         std::string aId = aFeature->getKind();
 372         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 373             (aId == SketchPlugin_ConstraintLength::ID()) ||
 374             (aId == SketchPlugin_ConstraintDistance::ID())) {
 375           editFeature(aFeature);
 376         }
 377       }
 378     }
 379   }
 380 }
 381
 382 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 383 {
 384   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 385   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 386   anOpMgr->onKeyReleased(theEvent);
 387 }
 388
 389 void PartSet_Module::onEnterReleased()
 390 {
 391   myRestartingMode = RM_EmptyFeatureUsed;
 392 }
 393
 394 void PartSet_Module::onOperationActivatedByPreselection()
 395 {
 396   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 397   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 398     // Set final definitions if they are necessary
 399     //propertyPanelDefined(aOperation);
 400
 401     /// Commit sketcher operations automatically
 402     anOperation->commit();
 403   }
 404 }
 405
 406 void PartSet_Module::onNoMoreWidgets()
 407 {
 408   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 409   if (anOperation) {
 410     if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 411       if (myRestartingMode != RM_Forbided)
 412         myRestartingMode = RM_LastFeatureUsed;
 413       anOperation->commit();
 414     }
 415   }
 416 }
 417
 418 void PartSet_Module::onVertexSelected()
 419 {
 420   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 421   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 422     /// If last line finished on vertex the lines creation sequence has to be break
 423     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 424     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 425     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 426     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 427     bool aFoundWidget = false;
 428     bool aFoundObligatory = false;
 429     for (; anIt != aLast && !aFoundObligatory; anIt++) {
 430       if (!aFoundWidget)
 431         aFoundWidget = *anIt == anActiveWidget;
 432       else
 433         aFoundObligatory = (*anIt)->isObligatory();
 434     }
 435     if (!aFoundObligatory)
 436       myRestartingMode = RM_Forbided;
 437   }
 438 }
 439
 440 ModuleBase_ModelWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 441                                             Config_WidgetAPI* theWidgetApi, std::string theParentId)
 442 {
 443   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 444   XGUI_Workshop* aWorkshop = aConnector->workshop();
 445   ModuleBase_ModelWidget* aWgt = NULL;
 446   if (theType == "sketch-start-label") {
 447     PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent,
 448       theWidgetApi, theParentId, mySketchMgr->isConstraintsShown());
 449     aLabelWgt->setWorkshop(aWorkshop);
 450     connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 451       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 452     connect(aLabelWgt, SIGNAL(showConstraintToggled(bool)),
 453       mySketchMgr, SLOT(onShowConstraintsToggle(bool)));
 454     aWgt = aLabelWgt;
 455   } else if (theType == "sketch-2dpoint_selector") {
 456     PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 457     aPointWgt->setWorkshop(aWorkshop);
 458     aPointWgt->setSketch(mySketchMgr->activeSketch());
 459     connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 460     aWgt = aPointWgt;
 461   } if (theType == "point2ddistance") {
 462     PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 463     aDistanceWgt->setWorkshop(aWorkshop);
 464     aDistanceWgt->setSketch(mySketchMgr->activeSketch());
 465     aWgt = aDistanceWgt;
 466   } if(theType == "point2dangle") {
 467     PartSet_WidgetPoint2dAngle* anAngleWgt = new PartSet_WidgetPoint2dAngle(theParent, theWidgetApi, theParentId);
 468     anAngleWgt->setWorkshop(aWorkshop);
 469     anAngleWgt->setSketch(mySketchMgr->activeSketch());
 470     aWgt = anAngleWgt;
 471   }
 472   if (theType == "sketch_shape_selector") {
 473     PartSet_WidgetShapeSelector* aShapeSelectorWgt =
 474       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 475     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 476     aWgt = aShapeSelectorWgt;
 477   } if (theType == "sketch_multi_selector") {
 478     PartSet_WidgetMultiSelector* aShapeSelectorWgt =
 479       new PartSet_WidgetMultiSelector(theParent, workshop(), theWidgetApi, theParentId);
 480     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 481     aWgt = aShapeSelectorWgt;
 482   }
 483   if (theType == WDG_DOUBLEVALUE_EDITOR) {
 484     aWgt = new PartSet_WidgetEditor(theParent, workshop(), theWidgetApi, theParentId);
 485   }
 486   return aWgt;
 487 }
 488
 489
 490 bool PartSet_Module::deleteObjects()
 491 {
 492   // 1. check whether the delete should be processed in the module
 493   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 494   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 495        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 496   if (!isSketchOp && !isNestedOp)
 497     return false;
 498
 499   // 2. find selected presentations
 500   // selected objects should be collected before the current operation abort because
 501   // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 502   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 503   XGUI_Workshop* aWorkshop = aConnector->workshop();
 504   ModuleBase_ISelection* aSel = workshop()->selection();
 505   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 506   // if there are no selected objects in the viewer, that means that the selection in another
 507   // place cased this method. It is necessary to return the false value to understande in above
 508   // method that delete is not processed
 509   if (aSelectedObj.count() == 0)
 510     return false;
 511
 512   // avoid delete of the objects, which are not belong to the current sketch
 513   // in order to do not delete results of other sketches
 514   QObjectPtrList aSketchObjects;
 515   QObjectPtrList::const_iterator anIt = aSelectedObj.begin(), aLast = aSelectedObj.end();
 516   for ( ; anIt != aLast; anIt++) {
 517     ObjectPtr anObject = *anIt;
 518     if (mySketchMgr->isObjectOfSketch(anObject))
 519       aSketchObjects.append(anObject);
 520   }
 521   // if the selection contains only local selected presentations from other sketches,
 522   // the Delete operation should not be done at all
 523   if (aSketchObjects.size() == 0)
 524     return true;
 525
 526   // the active nested sketch operation should be aborted unconditionally
 527   if (isNestedOp)
 528     anOperation->abort();
 529
 530   // 3. start operation
 531   QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
 532   SessionPtr aMgr = ModelAPI_Session::get();
 533   aMgr->startOperation(aDescription.toStdString());
 534
 535   // 4. delete features
 536   // sketch feature should be skipped, only sub-features can be removed
 537   // when sketch operation is active
 538   std::set<FeaturePtr> anIgnoredFeatures;
 539   anIgnoredFeatures.insert(mySketchMgr->activeSketch());
 540   aWorkshop->deleteFeatures(aSketchObjects, anIgnoredFeatures);
 541
 542   // 5. stop operation
 543   aWorkshop->displayer()->updateViewer();
 544   aMgr->finishOperation();
 545
 546   return true;
 547 }
 548
 549
 550 void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS)
 551 {
 552   Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
 553   if (!anAIS.IsNull()) {
 554     Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
 555     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
 556     if (!aDim.IsNull()) {
 557       aCtx->SetZLayer(aDim, myVisualLayerId);
 558     } else {
 559       Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
 560       if (!aCons.IsNull())
 561         aCtx->SetZLayer(aCons, myVisualLayerId);
 562     }
 563   }
 564 }
 565
 566 void PartSet_Module::onViewTransformed(int theTrsfType)
 567 {
 568   // Set length of arrows constant in pixel size
 569   // if the operation is panning or rotate or panglobal then do nothing
 570   if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
 571     return;
 572
 573   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 574   //Handle(V3d_View) aView = aViewer->activeView();
 575
 576   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 577   XGUI_Workshop* aWorkshop = aConnector->workshop();
 578   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 579   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 580
 581   Handle(V3d_Viewer) aV3dViewer = aContext->CurrentViewer();
 582   Handle(V3d_View) aView;
 583   double aScale = 0;
 584   for (aV3dViewer->InitDefinedViews();
 585        aV3dViewer->MoreDefinedViews();
 586        aV3dViewer->NextDefinedViews()) {
 587     Handle(V3d_View) aV = aV3dViewer->DefinedView();
 588     double aS = aV->Scale();
 589     if (aS > aScale) {
 590       aScale = aS;
 591       aView = aV;
 592     }
 593   }
 594   if (aView.IsNull())
 595     return;
 596   double aLen = aView->Convert(20);
 597
 598   SketcherPrs_Tools::setArrowSize(aLen);
 599   bool isModified = false;
 600   QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
 601   foreach (AISObjectPtr aAIS, aPrsList) {
 602     Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 603
 604     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
 605     if (!aDim.IsNull()) {
 606       aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
 607       aContext->Redisplay(aDim, false);
 608       isModified = true;
 609     }
 610   }
 611   if (isModified)
 612     aDisplayer->updateViewer();
 613 }