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_ShapeType.h>
  22 #include <GeomValidators_Face.h>
  23 #include <GeomValidators_ConstructionComposite.h>
  24
  25
  26 #include <ModelAPI_Object.h>
  27 #include <ModelAPI_Events.h>
  28 #include <ModelAPI_Validator.h>
  29 #include <ModelAPI_Data.h>
  30 #include <ModelAPI_Session.h>
  31 #include <ModelAPI_ShapeValidator.h>
  32
  33 #include <GeomDataAPI_Point2D.h>
  34 #include <GeomDataAPI_Point.h>
  35 #include <GeomDataAPI_Dir.h>
  36
  37 #include <XGUI_Displayer.h>
  38 #include <XGUI_Workshop.h>
  39 #include <XGUI_OperationMgr.h>
  40 #include <XGUI_PropertyPanel.h>
  41 #include <XGUI_ModuleConnector.h>
  42 #include <XGUI_ContextMenuMgr.h>
  43 #include <XGUI_Tools.h>
  44
  45 #include <SketchPlugin_Feature.h>
  46 #include <SketchPlugin_Sketch.h>
  47 #include <SketchPlugin_Line.h>
  48 #include <SketchPlugin_Arc.h>
  49 #include <SketchPlugin_Circle.h>
  50 #include <SketchPlugin_Point.h>
  51 #include <SketchPlugin_ConstraintLength.h>
  52 #include <SketchPlugin_ConstraintDistance.h>
  53 #include <SketchPlugin_ConstraintParallel.h>
  54 #include <SketchPlugin_ConstraintPerpendicular.h>
  55 #include <SketchPlugin_ConstraintRadius.h>
  56
  57 #include <SketcherPrs_SymbolPrs.h>
  58 #include <SketcherPrs_Tools.h>
  59
  60 #include <Events_Loop.h>
  61 #include <Config_PropManager.h>
  62 #include <Config_Keywords.h>
  63
  64 #include <StdSelect_TypeOfFace.hxx>
  65 #include <TopoDS_Vertex.hxx>
  66 #include <TopoDS.hxx>
  67 #include <TopoDS_Shape.hxx>
  68 #include <BRep_Tool.hxx>
  69 #include <AIS_Dimension.hxx>
  70
  71 #include <QObject>
  72 #include <QMouseEvent>
  73 #include <QString>
  74 #include <QTimer>
  75 #include <QApplication>
  76 #include <QMessageBox>
  77 #include <QMainWindow>
  78
  79 #include <GeomAlgoAPI_FaceBuilder.h>
  80 #include <GeomDataAPI_Dir.h>
  81
  82 #ifdef _DEBUG
  83 #include <QDebug>
  84 #endif
  85
  86 /*!Create and return new instance of XGUI_Module*/
  87 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
  88 {
  89   return new PartSet_Module(theWshop);
  90 }
  91
  92 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
  93   : ModuleBase_IModule(theWshop),
  94   myRestartingMode(RM_None), myVisualLayerId(0)
  95 {
  96   mySketchMgr = new PartSet_SketcherMgr(this);
  97
  98   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
  99   XGUI_Workshop* aWorkshop = aConnector->workshop();
 100
 101   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 102   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
 103   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
 104           this, SLOT(onOperationActivatedByPreselection()));
 105
 106   ModuleBase_IViewer* aViewer = theWshop->viewer();
 107   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 108           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 109   connect(aViewer, SIGNAL(viewTransformed(int)),
 110           SLOT(onViewTransformed(int)));
 111
 112   myMenuMgr = new PartSet_MenuMgr(this);
 113 }
 114
 115 PartSet_Module::~PartSet_Module()
 116 {
 117   if (!myDocumentShapeFilter.IsNull())
 118     myDocumentShapeFilter.Nullify();
 119 }
 120
 121 void PartSet_Module::registerValidators()
 122 {
 123   //Registering of validators
 124   SessionPtr aMgr = ModelAPI_Session::get();
 125   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 126   aFactory->registerValidator("PartSet_DistanceSelection", new PartSet_DistanceSelection);
 127   aFactory->registerValidator("PartSet_LengthSelection", new PartSet_LengthSelection);
 128   aFactory->registerValidator("PartSet_PerpendicularSelection", new PartSet_PerpendicularSelection);
 129   aFactory->registerValidator("PartSet_ParallelSelection", new PartSet_ParallelSelection);
 130   aFactory->registerValidator("PartSet_RadiusSelection", new PartSet_RadiusSelection);
 131   aFactory->registerValidator("PartSet_RigidSelection", new PartSet_RigidSelection);
 132   aFactory->registerValidator("PartSet_CoincidentSelection", new PartSet_CoincidentSelection);
 133   aFactory->registerValidator("PartSet_HVDirSelection", new PartSet_HVDirSelection);
 134   aFactory->registerValidator("PartSet_TangentSelection", new PartSet_TangentSelection);
 135   aFactory->registerValidator("PartSet_FilletSelection", new PartSet_FilletSelection);
 136
 137   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 138   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 139
 140   aFactory->registerValidator("GeomValidators_ShapeType", new GeomValidators_ShapeType);
 141   aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
 142
 143   aFactory->registerValidator("GeomValidators_ConstructionComposite",
 144                               new GeomValidators_ConstructionComposite);
 145
 146   aFactory->registerValidator("PartSet_SketchEntityValidator",
 147                               new PartSet_SketchEntityValidator);
 148
 149   aFactory->registerValidator("PartSet_SameTypeAttr",
 150                               new PartSet_SameTypeAttrValidator);
 151 }
 152
 153 void PartSet_Module::registerFilters()
 154 {
 155   //Registering of selection filters
 156   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 157   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 158 }
 159
 160 void PartSet_Module::registerProperties()
 161 {
 162   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 163                                    PLANE_SIZE);
 164   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 165                                    Config_Prop::Integer, SKETCH_WIDTH);
 166 }
 167
 168 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 169 {
 170   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 171     mySketchMgr->commitNestedSketch(theOperation);
 172   }
 173
 174   if (theOperation->isEditOperation())
 175     return;
 176   // the selection is cleared after commit the create operation
 177   // in order to do not use the same selected objects in the restarted operation
 178   // for common behaviour, the selection is cleared even if the operation is not restarted
 179   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 180   if (!aContext.IsNull())
 181     aContext->ClearSelected();
 182
 183   /// Restart sketcher operations automatically
 184   FeaturePtr aFeature = theOperation->feature();
 185   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 186             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 187   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 188                      myRestartingMode == RM_EmptyFeatureUsed)) {
 189     myLastOperationId = theOperation->id();
 190     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 191
 192     launchOperation(myLastOperationId);
 193   }
 194   breakOperationSequence();
 195 }
 196
 197 void PartSet_Module::breakOperationSequence()
 198 {
 199   myLastOperationId = "";
 200   myLastFeature = FeaturePtr();
 201   myRestartingMode = RM_None;
 202 }
 203
 204 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 205 {
 206   breakOperationSequence();
 207 }
 208
 209 void PartSet_Module::sendOperation(ModuleBase_Operation* theOperation)
 210 {
 211   // Install the document filter before any other filter
 212   if (myDocumentShapeFilter.IsNull())
 213     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 214   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 215
 216   ModuleBase_IModule::sendOperation(theOperation);
 217 }
 218
 219 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 220 {
 221   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 222     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 223     aViewer->AddZLayer(myVisualLayerId);
 224     mySketchMgr->startSketch(theOperation);
 225   }
 226   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 227     mySketchMgr->startNestedSketch(theOperation);
 228   }
 229 }
 230
 231 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 232 {
 233   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 234     mySketchMgr->stopSketch(theOperation);
 235     Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
 236     aViewer->RemoveZLayer(myVisualLayerId);
 237     myVisualLayerId = 0;
 238   }
 239   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 240     mySketchMgr->stopNestedSketch(theOperation);
 241   }
 242   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 243 }
 244
 245 ModuleBase_Operation* PartSet_Module::currentOperation() const
 246 {
 247   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 248   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 249   return anOpMgr->currentOperation();
 250 }
 251
 252 bool PartSet_Module::canUndo() const
 253 {
 254   bool aCanUndo = false;
 255   SessionPtr aMgr = ModelAPI_Session::get();
 256   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 257     aCanUndo = !aMgr->isOperation();
 258     if (!aCanUndo) // check the enable state additionally by sketch manager
 259       aCanUndo = aMgr->canUndo();
 260   }
 261   return aCanUndo;
 262 }
 263
 264 bool PartSet_Module::canRedo() const
 265 {
 266   bool aCanRedo = false;
 267   SessionPtr aMgr = ModelAPI_Session::get();
 268   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 269     aCanRedo = !aMgr->isOperation();
 270     if (!aCanRedo) // check the enable state additionally by sketch manager
 271       aCanRedo = aMgr->canRedo();
 272   }
 273   return aCanRedo;
 274 }
 275
 276 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 277 {
 278   // the sketch manager put the restriction to the objects display
 279   return mySketchMgr->canDisplayObject(theObject);
 280 }
 281
 282
 283 bool PartSet_Module::addViewerItems(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
 284 {
 285   return myMenuMgr->addViewerItems(theMenu, theStdActions);
 286 }
 287
 288 void PartSet_Module::activeSelectionModes(QIntList& theModes)
 289 {
 290   theModes.clear();
 291   if (mySketchMgr->activeSketch().get())
 292     PartSet_SketcherMgr::sketchSelectionModes(theModes);
 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_multi_selector") {
 471     PartSet_WidgetMultiSelector* aShapeSelectorWgt =
 472       new PartSet_WidgetMultiSelector(theParent, workshop(), theWidgetApi, theParentId);
 473     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 474     aWgt = aShapeSelectorWgt;
 475   }
 476   if (theType == WDG_DOUBLEVALUE_EDITOR) {
 477     aWgt = new PartSet_WidgetEditor(theParent, workshop(), theWidgetApi, theParentId);
 478   }
 479   return aWgt;
 480 }
 481
 482
 483 bool PartSet_Module::deleteObjects()
 484 {
 485   // 1. check whether the delete should be processed in the module
 486   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 487   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
 488        isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
 489   if (!isSketchOp && !isNestedOp)
 490     return false;
 491
 492   // 2. find selected presentations
 493   // selected objects should be collected before the current operation abort because
 494   // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 495   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 496   XGUI_Workshop* aWorkshop = aConnector->workshop();
 497   ModuleBase_ISelection* aSel = workshop()->selection();
 498   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 499   // if there are no selected objects in the viewer, that means that the selection in another
 500   // place cased this method. It is necessary to return the false value to understande in above
 501   // method that delete is not processed
 502   if (aSelectedObj.count() == 0)
 503     return false;
 504
 505   // avoid delete of the objects, which are not belong to the current sketch
 506   // in order to do not delete results of other sketches
 507   QObjectPtrList aSketchObjects;
 508   QObjectPtrList::const_iterator anIt = aSelectedObj.begin(), aLast = aSelectedObj.end();
 509   for ( ; anIt != aLast; anIt++) {
 510     ObjectPtr anObject = *anIt;
 511     if (mySketchMgr->isObjectOfSketch(anObject))
 512       aSketchObjects.append(anObject);
 513   }
 514   // if the selection contains only local selected presentations from other sketches,
 515   // the Delete operation should not be done at all
 516   if (aSketchObjects.size() == 0)
 517     return true;
 518
 519   // the active nested sketch operation should be aborted unconditionally
 520   if (isNestedOp)
 521     anOperation->abort();
 522
 523   // 3. start operation
 524   QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
 525   SessionPtr aMgr = ModelAPI_Session::get();
 526   aMgr->startOperation(aDescription.toStdString());
 527
 528   // 4. delete features
 529   // sketch feature should be skipped, only sub-features can be removed
 530   // when sketch operation is active
 531   std::set<FeaturePtr> anIgnoredFeatures;
 532   anIgnoredFeatures.insert(mySketchMgr->activeSketch());
 533   aWorkshop->deleteFeatures(aSketchObjects, anIgnoredFeatures);
 534
 535   // 5. stop operation
 536   aWorkshop->displayer()->updateViewer();
 537   aMgr->finishOperation();
 538
 539   return true;
 540 }
 541
 542
 543 void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS)
 544 {
 545   Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
 546   if (!anAIS.IsNull()) {
 547     Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
 548     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
 549     if (!aDim.IsNull()) {
 550       aCtx->SetZLayer(aDim, myVisualLayerId);
 551     } else {
 552       Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
 553       if (!aCons.IsNull())
 554         aCtx->SetZLayer(aCons, myVisualLayerId);
 555     }
 556   }
 557 }
 558
 559 void PartSet_Module::onViewTransformed(int theTrsfType)
 560 {
 561   // Set length of arrows constant in pixel size
 562   // if the operation is panning or rotate or panglobal then do nothing
 563   if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
 564     return;
 565
 566   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 567   //Handle(V3d_View) aView = aViewer->activeView();
 568
 569   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 570   XGUI_Workshop* aWorkshop = aConnector->workshop();
 571   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 572   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 573
 574   Handle(V3d_Viewer) aV3dViewer = aContext->CurrentViewer();
 575   Handle(V3d_View) aView;
 576   double aScale = 0;
 577   for (aV3dViewer->InitDefinedViews();
 578        aV3dViewer->MoreDefinedViews();
 579        aV3dViewer->NextDefinedViews()) {
 580     Handle(V3d_View) aV = aV3dViewer->DefinedView();
 581     double aS = aV->Scale();
 582     if (aS > aScale) {
 583       aScale = aS;
 584       aView = aV;
 585     }
 586   }
 587   if (aView.IsNull())
 588     return;
 589   double aLen = aView->Convert(20);
 590
 591   SketcherPrs_Tools::setArrowSize(aLen);
 592   bool isModified = false;
 593   QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
 594   foreach (AISObjectPtr aAIS, aPrsList) {
 595     Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 596
 597     Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
 598     if (!aDim.IsNull()) {
 599       aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
 600       aContext->Redisplay(aDim, false);
 601       isModified = true;
 602     }
 603   }
 604   if (isModified)
 605     aDisplayer->updateViewer();
 606 }