src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <PartSet_Tools.h>
  22 #include <PartSet_Module.h>
  23 #include <PartSet_SketcherMgr.h>
  24
  25 #include <ModelAPI_Data.h>
  26 #include <ModelAPI_AttributeDouble.h>
  27 #include <ModelAPI_AttributeRefList.h>
  28 #include <ModelAPI_Document.h>
  29 #include <ModelAPI_Session.h>
  30 #include <ModelAPI_ResultConstruction.h>
  31 #include <ModelAPI_Events.h>
  32 #include <ModelAPI_Validator.h>
  33 #include <ModelAPI_Tools.h>
  34
  35 #include <ModuleBase_IViewWindow.h>
  36
  37 #include <ModelGeomAlgo_Point2D.h>
  38
  39 #include <Events_Loop.h>
  40
  41 #include <SketcherPrs_Tools.h>
  42
  43 #include <XGUI_ModuleConnector.h>
  44 #include <XGUI_Displayer.h>
  45 #include <XGUI_Workshop.h>
  46 #include <XGUI_SelectionMgr.h>
  47 #include <XGUI_Selection.h>
  48
  49 #include <GeomDataAPI_Point.h>
  50 #include <GeomDataAPI_Dir.h>
  51 #include <GeomDataAPI_Point2D.h>
  52 #include <GeomAPI_Pln.h>
  53 #include <GeomAPI_Pnt2d.h>
  54 #include <GeomAPI_Pnt.h>
  55 #include <GeomAPI_Edge.h>
  56 #include <GeomAPI_Vertex.h>
  57
  58 #include <GeomAPI_Dir.h>
  59 #include <GeomAPI_XYZ.h>
  60
  61 #include <SketchPlugin_Feature.h>
  62 #include <SketchPlugin_Sketch.h>
  63 #include <SketchPlugin_ConstraintCoincidence.h>
  64 #include <SketchPlugin_ConstraintDistance.h>
  65 #include <SketchPlugin_ConstraintLength.h>
  66 #include <SketchPlugin_ConstraintRadius.h>
  67 #include <SketchPlugin_ConstraintRigid.h>
  68 #include <SketchPlugin_Constraint.h>
  69 #include <SketchPlugin_Circle.h>
  70 #include <SketchPlugin_Arc.h>
  71 #include <SketchPlugin_Line.h>
  72 #include <SketchPlugin_Point.h>
  73 #include <SketchPlugin_Projection.h>
  74 #include <SketchPlugin_IntersectionPoint.h>
  75
  76 #include <ModuleBase_IWorkshop.h>
  77 #include <ModuleBase_ViewerPrs.h>
  78 #include <ModuleBase_Tools.h>
  79
  80 #include <V3d_View.hxx>
  81 #include <gp_Pln.hxx>
  82 #include <gp_Circ.hxx>
  83 #include <ProjLib.hxx>
  84 #include <ElSLib.hxx>
  85 #include <Geom_Line.hxx>
  86 #include <GeomAPI_ProjectPointOnCurve.hxx>
  87 #include <BRep_Tool.hxx>
  88 #include <TopoDS.hxx>
  89 #include <TopoDS_Edge.hxx>
  90 #include <TopoDS_Vertex.hxx>
  91 #include <AIS_InteractiveObject.hxx>
  92 #include <StdSelect_BRepOwner.hxx>
  93 #include <SelectMgr_IndexedMapOfOwner.hxx>
  94 #include <V3d_Coordinate.hxx>
  95
  96 #include <QMouseEvent>
  97
  98 #ifdef _DEBUG
  99 #include <QDebug>
 100 #endif
 101
 102 const double PRECISION_TOLERANCE = 0.000001;
 103 const int AIS_DEFAULT_WIDTH = 2;
 104 const bool SKETCH_PROJECTION_INCLUDE_INTO_RESULT = false; // by default, it is not presented
 105
 106 int PartSet_Tools::getAISDefaultWidth()
 107 {
 108   return AIS_DEFAULT_WIDTH;
 109 }
 110
 111 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
 112 {
 113   if (theView.IsNull())
 114     return gp_Pnt();
 115
 116   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 117   theView->Eye(XEye, YEye, ZEye);
 118
 119   theView->At(XAt, YAt, ZAt);
 120   gp_Pnt EyePoint(XEye, YEye, ZEye);
 121   gp_Pnt AtPoint(XAt, YAt, ZAt);
 122
 123   gp_Vec EyeVector(EyePoint, AtPoint);
 124   gp_Dir EyeDir(EyeVector);
 125
 126   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 127   Standard_Real X, Y, Z;
 128   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 129   gp_Pnt ConvertedPoint(X, Y, Z);
 130
 131   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 132   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 133                                      PlaneOfTheView);
 134   return ResultPoint;
 135 }
 136
 137 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 138 Handle(V3d_View) theView,
 139                                 double& theX, double& theY)
 140 {
 141   if (!theSketch)
 142     return;
 143
 144   AttributeDoublePtr anAttr;
 145   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 146
 147   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 148       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 149
 150   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 151       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 152   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 153       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 154   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 155
 156   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 157   gp_Vec aVec(anOriginPnt, thePoint);
 158
 159   if (!theView.IsNull()) {
 160     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 161     theView->Eye(XEye, YEye, ZEye);
 162
 163     theView->At(XAt, YAt, ZAt);
 164     gp_Pnt EyePoint(XEye, YEye, ZEye);
 165     gp_Pnt AtPoint(XAt, YAt, ZAt);
 166
 167     gp_Vec anEyeVec(EyePoint, AtPoint);
 168     anEyeVec.Normalize();
 169
 170     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 171         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 172     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 173
 174     double aDen = anEyeVec * aNormalVec;
 175     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 176
 177     gp_Vec aDeltaVec = anEyeVec * aLVec;
 178     aVec = aVec - aDeltaVec;
 179   }
 180   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 181   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 182 }
 183
 184 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 185                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 186 {
 187   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 188   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 189     return aRes;
 190   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 191       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 192   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 193       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 194   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 195       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 196   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 197   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 198 }
 199
 200
 201 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 202                                                         FeaturePtr theSketch)
 203 {
 204   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 205
 206   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 207       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 208   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 209       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 210   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 211       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 212   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 213
 214   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 215     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 216
 217   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 218 }
 219
 220 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 221 {
 222   return ModelAPI_Session::get()->moduleDocument();
 223 }
 224
 225 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 226                                     const std::string& theAttribute)
 227 {
 228   if (!theFeature)
 229     return;
 230   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 231   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 232       aData->attribute(theAttribute));
 233   if (anAttribute)
 234     anAttribute->setValue(theValue);
 235 }
 236
 237 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 238                                    bool& isValid)
 239 {
 240   isValid = false;
 241   double aValue = 0;
 242   if (theFeature) {
 243     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 244     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 245         aData->attribute(theAttribute));
 246     if (anAttribute) {
 247       aValue = anAttribute->value();
 248       isValid = true;
 249     }
 250   }
 251   return aValue;
 252 }
 253
 254 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 255                                   const std::string& theKind)
 256 {
 257   FeaturePtr aFeature;
 258   if (!theFeature)
 259     return aFeature;
 260
 261   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 262   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 263       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 264   if (anAttr) {
 265     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 266     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 267       aFeature = FeaturePtr();
 268     }
 269   }
 270   return aFeature;
 271 }
 272
 273 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 274                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 275                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 276 {
 277   FeaturePtr aFeature;
 278   if (theSketch) {
 279     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 280   } else {
 281     std::shared_ptr<ModelAPI_Document> aDoc = document();
 282     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 283   }
 284
 285   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 286
 287   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 288       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 289   aRef1->setAttr(thePoint1);
 290
 291   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 292       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 293   aRef2->setAttr(thePoint2);
 294
 295   // we need to flush created signal in order to coincidence is processed by solver
 296   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 297 }
 298
 299 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 300 {
 301   std::shared_ptr<GeomAPI_Pln> aPlane;
 302
 303   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 304       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 305   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 306       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 307
 308   if (aNormal.get() && aNormal->isInitialized() &&
 309       anOrigin.get() && anOrigin->isInitialized())
 310     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 311
 312   return aPlane;
 313 }
 314
 315 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 316                                                       CompositeFeaturePtr theSketch)
 317 {
 318   std::shared_ptr<GeomAPI_Pnt> aPoint;
 319   if (!theSketch || !thePoint2D)
 320     return aPoint;
 321
 322   DataPtr aData = theSketch->data();
 323   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 324       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 325   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 326       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 327   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 328       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 329   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 330
 331   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 332 }
 333
 334 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 335                                                    const ObjectPtr& theObject,
 336                                                    CompositeFeaturePtr theSketch)
 337 {
 338   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 339   if (!aResult.get())
 340     return ResultPtr();
 341
 342   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 343     FeaturePtr aFeature = theSketch->subFeature(i);
 344     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 345       continue;
 346     if (aFeature->lastResult() == aResult)
 347       return aResult;
 348   }
 349   return ResultPtr();
 350 }
 351
 352 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 353                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 354                                    const ObjectPtr& theObject,
 355                                    CompositeFeaturePtr theSketch,
 356                                    const bool theTemporary,
 357                                    FeaturePtr& theCreatedFeature)
 358 {
 359   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 360   if (!aResult.get())
 361     return ResultPtr();
 362
 363   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 364   theCreatedFeature = aProjectionFeature;
 365   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 366                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 367   anExternalAttr->setValue(aResult, theShape);
 368
 369   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 370     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 371   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 372   aProjectionFeature->execute();
 373
 374   // if projection feature has not been created, exit
 375   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 376     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 377   if (!aRefAttr || !aRefAttr->isInitialized())
 378   {
 379     // remove external feature if the attribute is not filled
 380     std::set<FeaturePtr> aFeatures;
 381     aFeatures.insert(aProjectionFeature);
 382     ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 383     return ResultPtr();
 384   }
 385
 386   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 387   if (aProjection.get() && aProjection->lastResult().get())
 388     return aProjection->lastResult();
 389
 390   return ResultPtr();
 391 }
 392
 393 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 394                                           const ModuleBase_ViewerPrsPtr& thePrs)
 395 {
 396   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 397     if (aPrs->object() == thePrs->object())
 398       return true;
 399   }
 400   return false;
 401 }
 402
 403 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 404                                                        ModuleBase_IWorkshop* theWorkshop)
 405 {
 406   GeomShapePtr aShape;
 407   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 408   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 409
 410   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 411   // the same, return it
 412   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 413   // 2.1 get visualized results of the feature
 414   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 415   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 416   for (; anIt != aLast; anIt++) {
 417     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 418     if (aAISObj.get() != NULL) {
 419       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 420       // 2.2 find selected owners of a visualizedd object
 421       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 422       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 423       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 424         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 425         if (!anOwner.IsNull()) {
 426           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 427           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 428             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 429             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 430               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 431               // attribute, returns the shape
 432               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 433               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 434               AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 435                                                         aBRepShape, aSketchMgr->activeSketch());
 436               if (aPntAttr.get() != NULL && aPntAttr == theAttribute) {
 437                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 438                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 439                 break;
 440               }
 441             }
 442           }
 443         }
 444       }
 445     }
 446   }
 447   return aShape;
 448 }
 449
 450 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 451                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 452                                                   const std::string& theAttribute)
 453 {
 454   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 455                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 456                                           SketchPlugin_Point::COORD_ID());
 457   if (aPointAttr.get() != NULL)
 458     return aPointAttr->pnt();
 459   return std::shared_ptr<GeomAPI_Pnt2d>();
 460 }
 461
 462 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 463                                                 ModuleBase_IViewWindow* theWindow,
 464                                                 const FeaturePtr& theSketch)
 465 {
 466   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 467   double aX, anY;
 468   Handle(V3d_View) aView = theWindow->v3dView();
 469   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 470
 471   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 472 }
 473
 474 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 475                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 476 {
 477   FeaturePtr aCoincident;
 478
 479   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 480   std::set<AttributePtr>::const_iterator aIt;
 481   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 482     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 483     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 484     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 485       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 486         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 487       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 488         aCoincident = aConstrFeature;
 489         break;
 490       } else {
 491         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 492                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 493         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 494           aCoincident = aConstrFeature;
 495           break;
 496         }
 497       }
 498     }
 499   }
 500   return aCoincident;
 501 }
 502
 503 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 504                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 505 {
 506   FeaturePtr aCoincident;
 507   if (theFeature.get() == NULL)
 508     return aCoincident;
 509
 510   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 511   std::set<AttributePtr>::const_iterator aIt;
 512   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 513     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 514     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 515     if (aConstrFeature && aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 516       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 517         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 518       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 519         aCoincident = aConstrFeature;
 520         break;
 521       } else {
 522         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 523                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 524         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 525           aCoincident = aConstrFeature;
 526           break;
 527         }
 528       }
 529     }
 530   }
 531   /// Find by result
 532   if (!aCoincident.get()) {
 533     std::list<ResultPtr> aResults = theFeature->results();
 534     std::list<ResultPtr>::const_iterator aIt;
 535     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 536       ResultPtr aResult = *aIt;
 537       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 538       if (aCoincident.get())
 539         break;
 540     }
 541   }
 542   return aCoincident;
 543 }
 544
 545 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 546                                      QList<FeaturePtr>& theCoincidencies,
 547                                      std::string theAttr, QList<bool>& theIsAttributes)
 548 {
 549   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 550   if (aOrig.get() == NULL)
 551     return;
 552
 553   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 554   if (!aPnt)
 555     return;
 556   ObjectPtr aObj = aPnt->object();
 557   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 558   if (aFeature.get()) {
 559     if (!theList.contains(aFeature)) {
 560       theList.append(aFeature);
 561       theCoincidencies.append(theStartCoin);
 562       theIsAttributes.append(true); // point attribute on a feature
 563       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 564       std::set<AttributePtr>::const_iterator aIt;
 565       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 566         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 567         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 568         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 569           if (!theCoincidencies.contains(aConstrFeature)) {
 570             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 571             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 572               findCoincidences(aConstrFeature, theList, theCoincidencies,
 573                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 574               findCoincidences(aConstrFeature, theList, theCoincidencies,
 575                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 576             }
 577           }
 578         }
 579       }
 580     }
 581   } else {
 582     // Find by Results
 583     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 584     if (aResult.get()) {
 585       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 586       if (!theList.contains(aFeature))
 587         theList.append(aFeature);
 588       theCoincidencies.append(theStartCoin);
 589       theIsAttributes.append(false); // point attribute on a feature
 590
 591       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 592       std::set<AttributePtr>::const_iterator aIt;
 593       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 594         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 595         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 596         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 597           if (!theCoincidencies.contains(aConstrFeature)) {
 598             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 599             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 600               findCoincidences(aConstrFeature, theList, theCoincidencies,
 601                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 602               findCoincidences(aConstrFeature, theList, theCoincidencies,
 603                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 604             }
 605           }
 606         }
 607       }
 608     }
 609   }
 610 }
 611
 612 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 613 {
 614   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 615                                                         SketchPlugin_Constraint::ENTITY_A());
 616   if (aPnt.get() == NULL)
 617     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 618   return aPnt;
 619 }
 620
 621 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 622                                                    const TopoDS_Shape theShape,
 623                                                    FeaturePtr theSketch)
 624 {
 625
 626   AttributePtr anAttribute;
 627   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 628   if (aFeature) {
 629     if (theShape.ShapeType() == TopAbs_VERTEX) {
 630       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 631       if (!aVertex.IsNull())  {
 632         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 633         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 634             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 635
 636         // find the given point in the feature attributes
 637         std::list<AttributePtr> anAttiributes =
 638           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 639         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 640                                                 aLast = anAttiributes.end();
 641         for (; anIt != aLast && !anAttribute; anIt++) {
 642           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 643             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 644           if (!aCurPoint->isInitialized())
 645             continue;
 646
 647           std::shared_ptr<GeomAPI_Pnt> aPnt =
 648             convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 649           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 650             anAttribute = aCurPoint;
 651             break;
 652           }
 653         }
 654       }
 655     }
 656   }
 657   return anAttribute;
 658 }
 659
 660 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 661                                          const Events_ID theEventId)
 662 {
 663   if (!theComposite.get())
 664     return;
 665
 666   static Events_Loop* aLoop = Events_Loop::loop();
 667   int aNumberOfSubs = theComposite->numberOfSubs();
 668   for (int i = 0; i < aNumberOfSubs; i++) {
 669     FeaturePtr aSubFeature = theComposite->subFeature(i);
 670     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 671     aECreator->sendUpdated(aSubFeature, theEventId);
 672   }
 673   Events_Loop::loop()->flush(theEventId);
 674 }
 675
 676 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 677 {
 678   bool isAuxiliaryFeature = false;
 679
 680   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 681   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 682   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 683                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 684   if (anAuxiliaryAttr.get())
 685     isAuxiliaryFeature = anAuxiliaryAttr->value();
 686
 687
 688   return isAuxiliaryFeature;
 689 }
 690
 691 bool PartSet_Tools::isIncludeIntoSketchResult(const ObjectPtr& theObject)
 692 {
 693   // check the feature is neither Projection nor IntersectionPoint feature
 694   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 695   if (aFeature->getKind() == SketchPlugin_Projection::ID() ||
 696       aFeature->getKind() == SketchPlugin_IntersectionPoint::ID())
 697     return false;
 698
 699   // go through the references to the feature to check
 700   // if it was created by Projection or Intersection
 701   const std::set<AttributePtr>& aRefs = theObject->data()->refsToMe();
 702   for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
 703        aRefIt != aRefs.end(); ++aRefIt) {
 704     AttributePtr anAttr = *aRefIt;
 705     std::string anIncludeToResultAttrName;
 706     if (anAttr->id() == SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 707       anIncludeToResultAttrName = SketchPlugin_Projection::INCLUDE_INTO_RESULT();
 708     else if (anAttr->id() == SketchPlugin_IntersectionPoint::INTERSECTION_POINTS_ID())
 709       anIncludeToResultAttrName = SketchPlugin_IntersectionPoint::INCLUDE_INTO_RESULT();
 710
 711     if (!anIncludeToResultAttrName.empty()) {
 712       // check "include into result" flag
 713       FeaturePtr aParent = ModelAPI_Feature::feature(anAttr->owner());
 714       return aParent->boolean(anIncludeToResultAttrName)->value();
 715     }
 716   }
 717   return true;
 718 }
 719
 720
 721 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 722     const ObjectPtr& theObject,
 723     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 724     ModelAPI_AttributeSelection::CenterType theType,
 725     const CompositeFeaturePtr& theSketch,
 726     bool theTemporary,
 727     FeaturePtr& theCreatedFeature)
 728 {
 729   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 730   if (!aResult.get())
 731     return ResultPtr();
 732
 733   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 734   theCreatedFeature = aProjectionFeature;
 735   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 736                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 737   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 738
 739   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 740     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 741   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 742   aProjectionFeature->execute();
 743
 744   // if projection feature has not been created, exit
 745   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 746     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 747   if (!aRefAttr || !aRefAttr->isInitialized())
 748     return ResultPtr();
 749
 750   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 751   if (aProjection.get() && aProjection->lastResult().get())
 752     return aProjection->lastResult();
 753
 754   return ResultPtr();
 755 }
 756
 757 void PartSet_Tools::getFirstAndLastIndexInFolder(const ObjectPtr& theFolder,
 758   int& theFirst, int& theLast)
 759 {
 760   theFirst = -1;
 761   theLast = -1;
 762
 763   DocumentPtr aDoc = theFolder->document();
 764   FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(theFolder);
 765   if (!aFolder.get())
 766     return;
 767
 768   AttributeReferencePtr aFirstFeatAttr =
 769     aFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
 770   if (!aFirstFeatAttr.get())
 771     return;
 772   FeaturePtr aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
 773   if (!aFirstFeatureInFolder.get())
 774     return;
 775
 776   AttributeReferencePtr aLastFeatAttr =
 777     aFolder->data()->reference(ModelAPI_Folder::LAST_FEATURE_ID());
 778   if (!aLastFeatAttr.get())
 779     return;
 780   FeaturePtr aLastFeatureInFolder = ModelAPI_Feature::feature(aLastFeatAttr->value());
 781   if (!aLastFeatureInFolder.get())
 782     return;
 783
 784   theFirst = aDoc->index(aFirstFeatureInFolder);
 785   theLast = aDoc->index(aLastFeatureInFolder);
 786 }