src/SketchPlugin/SketchPlugin_Trim.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 "SketchPlugin_Trim.h"
  22
  23 #include <GeomAPI_Dir2d.h>
  24 #include <GeomAPI_Edge.h>
  25 #include <GeomAPI_Pnt2d.h>
  26 #include <GeomAPI_XY.h>
  27 #include <GeomDataAPI_Point2D.h>
  28 #include <GeomAlgoAPI_ShapeTools.h>
  29 #include <GeomAlgoAPI_CompoundBuilder.h>
  30
  31 #include <ModelAPI_AttributeReference.h>
  32 #include <ModelAPI_AttributeString.h>
  33 #include <ModelAPI_AttributeRefAttr.h>
  34 #include <ModelAPI_Tools.h>
  35 #include <ModelAPI_AttributeBoolean.h>
  36
  37 #include <ModelAPI_Validator.h>
  38 #include <ModelAPI_Session.h>
  39 #include <ModelAPI_AttributeDouble.h>
  40
  41 #include <ModelGeomAlgo_Shape.h>
  42
  43 #include <SketchPlugin_Arc.h>
  44 #include <SketchPlugin_ConstraintMiddle.h>
  45 #include <SketchPlugin_Circle.h>
  46 #include <SketchPlugin_ConstraintCoincidence.h>
  47 #include <SketchPlugin_ConstraintEqual.h>
  48 #include <SketchPlugin_ConstraintTangent.h>
  49 #include <SketchPlugin_ConstraintLength.h>
  50 #include <SketchPlugin_ConstraintMirror.h>
  51 #include <SketchPlugin_ConstraintCollinear.h>
  52 #include <SketchPlugin_Line.h>
  53 #include <SketchPlugin_MultiRotation.h>
  54 #include <SketchPlugin_MultiTranslation.h>
  55 #include <SketchPlugin_Point.h>
  56 #include <SketchPlugin_Projection.h>
  57 #include <SketchPlugin_Tools.h>
  58
  59 #include <ModelAPI_EventReentrantMessage.h>
  60
  61 #include <ModelAPI_Events.h>
  62 #include <SketchPlugin_Line.h>
  63 #include <SketchPlugin_Arc.h>
  64 #include <SketchPlugin_Circle.h>
  65
  66 #include <ModelGeomAlgo_Point2D.h>
  67 #include <Events_Loop.h>
  68
  69 #include <cmath>
  70
  71 #ifdef DEBUG_TRIM
  72 #include <iostream>
  73 #endif
  74
  75 #ifdef DEBUG_TRIM_METHODS
  76 #include <iostream>
  77 #endif
  78
  79 static const double PI = 3.141592653589793238463;
  80
  81 static const std::string OPERATION_HIGHLIGHT_COLOR() { return "128, 0, 0"; }
  82 static const std::string OPERATION_REMOVE_FEATURE_COLOR() { return "255, 174, 201"; }
  83
  84 SketchPlugin_Trim::SketchPlugin_Trim()
  85 {
  86 }
  87
  88 void SketchPlugin_Trim::initAttributes()
  89 {
  90   data()->addAttribute(SELECTED_OBJECT(), ModelAPI_AttributeReference::typeId());
  91   data()->addAttribute(SELECTED_POINT(), GeomDataAPI_Point2D::typeId());
  92
  93   data()->addAttribute(PREVIEW_POINT(), GeomDataAPI_Point2D::typeId());
  94   data()->addAttribute(PREVIEW_OBJECT(), ModelAPI_AttributeReference::typeId());
  95
  96   data()->attribute(PREVIEW_POINT())->setIsArgument(false);
  97   data()->attribute(SELECTED_POINT())->setIsArgument(false);
  98   data()->attribute(PREVIEW_OBJECT())->setIsArgument(false);
  99
 100   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_POINT());
 101   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_OBJECT());
 102 }
 103
 104 void SketchPlugin_Trim::findShapePoints(const std::string& theObjectAttributeId,
 105                                         const std::string& thePointAttributeId,
 106                                         std::shared_ptr<GeomAPI_Pnt>& aStartPoint,
 107                                         std::shared_ptr<GeomAPI_Pnt>& aLastPoint)
 108 {
 109   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 110                                             data()->attribute(theObjectAttributeId));
 111   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 112
 113   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 114                                               data()->attribute(thePointAttributeId));
 115   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
 116   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 117                                                                anAttributePnt2d->y());
 118
 119   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 120     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 121
 122   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 123   if (!aShapes.empty()) {
 124     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 125     for (; anIt != aLast; anIt++) {
 126       GeomShapePtr aBaseShape = *anIt;
 127       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 128       if (ModelGeomAlgo_Point2D::isPointOnEdge(aBaseShape, anAttributePnt, aProjectedPoint)) {
 129
 130         if (aBaseShape->shapeType() == GeomAPI_Shape::EDGE) {
 131           std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aBaseShape));
 132           //GeomAPI_Shape::Orientation anOrientation = anEdge->orientation();
 133           //if (anOrientation == GeomAPI_Shape::REVERSED) {
 134             aStartPoint = anEdge->lastPoint();
 135             aLastPoint = anEdge->firstPoint();
 136           //}
 137           //else {
 138             //aStartPoint = anEdge->firstPoint();
 139             //aLastPoint = anEdge->lastPoint();
 140           //}
 141         }
 142       }
 143     }
 144   }
 145 #ifdef DEBUG_TRIM
 146   std::cout << "<findShapePoints> => "
 147     << std::endl << "Attribute point: "
 148     << anAttributePnt->x() << ", " << anAttributePnt->y() << ", " << anAttributePnt->z() << "]"
 149     << std::endl << "Start Point: ["
 150     << aStartPoint->x() << ", " << aStartPoint->y() << ", " << aStartPoint->z() << "]"
 151     << std::endl << "Last Point: ["
 152     << aLastPoint->x() << ", " << aLastPoint->y() << ", " << aLastPoint->z() << "]"
 153     << std::endl;
 154 #endif
 155 }
 156
 157 std::shared_ptr<GeomAPI_Pnt2d> SketchPlugin_Trim::convertPoint(
 158                                                    const std::shared_ptr<GeomAPI_Pnt>& thePoint)
 159 {
 160   std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 161   if (!thePoint.get())
 162     return aPoint;
 163
 164   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 165                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 166   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 167   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 168     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 169
 170   bool aFound = false;
 171   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 172   for (PointToRefsMap::const_iterator aPointIt = aRefsMap.begin();
 173        aPointIt != aRefsMap.end() && !aFound; aPointIt++) {
 174     if (aPointIt->first->isEqual(thePoint)) {
 175       const std::pair<std::list<AttributePoint2DPtr >,
 176                std::list<ObjectPtr > >& anInfo = aPointIt->second;
 177       const std::list<AttributePoint2DPtr >& anAttributes = anInfo.first;
 178       if (!anAttributes.empty()) {
 179         aPoint = anAttributes.front()->pnt();
 180         aFound = true;
 181       }
 182       else {
 183         aPoint = sketch()->to2D(thePoint);
 184         aFound = true;
 185       }
 186     }
 187   }
 188   if (!aFound) {
 189     // returns an end of the shape to define direction of split if feature's attribute
 190     // participates
 191     aPoint = sketch()->to2D(thePoint);
 192   }
 193   return aPoint;
 194 }
 195
 196 void SketchPlugin_Trim::execute()
 197 {
 198 #ifdef DEBUG_TRIM_METHODS
 199   std::cout << "SketchPlugin_Trim::execute: " << data()->name() << std::endl;
 200 #endif
 201
 202   SketchPlugin_Sketch* aSketch = sketch();
 203   if (!aSketch) {
 204     setError("Error: Sketch object is empty.");
 205     return;
 206   }
 207
 208   // Check the base objects are initialized.
 209   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 210                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 211   if(!aBaseObjectAttr->isInitialized()) {
 212     setError("Error: Base object is not initialized.");
 213     return;
 214   }
 215   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 216   if (!aBaseObject.get()) {
 217     setError("Error: Base object is not initialized.");
 218     return;
 219   }
 220   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 221
 222   /// Remove reference of this feature to feature used in preview, it is not necessary anymore
 223   /// as trim will be removed after execute
 224   AttributeReferencePtr aPreviewObjectAttr =
 225                      std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 226                      data()->attribute(SketchPlugin_Trim::PREVIEW_OBJECT()));
 227
 228   ObjectPtr aPreviewObject = aPreviewObjectAttr->value();
 229   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 230                                            data()->attribute(PREVIEW_POINT()));
 231   std::shared_ptr<GeomAPI_Pnt2d> aPreviewPnt2d = aPoint->pnt();
 232   // nullify pointer of preview attribute
 233   aPreviewObjectAttr->setValue(ResultPtr());
 234
 235   bool anIsEqualPreviewAndSelected = aPreviewObject == aBaseObject;
 236
 237   /// points of trim
 238   std::shared_ptr<GeomAPI_Pnt> aStartShapePoint, aLastShapePoint;
 239 #ifdef DEBUG_TRIM
 240   std::cout << " Base Feature: " << aBaseFeature->data()->name() << std::endl;
 241 #endif
 242   findShapePoints(SELECTED_OBJECT(), SELECTED_POINT(), aStartShapePoint, aLastShapePoint);
 243
 244   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint2d = convertPoint(aStartShapePoint);
 245   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint2d = convertPoint(aLastShapePoint);
 246   /// find features that should be deleted (e.g. Middle Point) or updated (e.g. Length)
 247   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
 248   getConstraints(aFeaturesToDelete, aFeaturesToUpdate);
 249   // find references(attributes and features) to the base feature
 250   std::map<AttributePtr, std::list<AttributePtr> > aBaseRefAttributes;
 251   std::list<AttributePtr> aRefsToFeature;
 252   getRefAttributes(aBaseFeature, aBaseRefAttributes, aRefsToFeature);
 253 #ifdef DEBUG_TRIM
 254   std::cout << "---- getRefAttributes ----" << std::endl;
 255   std::map<AttributePtr, std::list<AttributePtr> >::const_iterator
 256     aRefIt = aBaseRefAttributes.begin(), aRefLast = aBaseRefAttributes.end();
 257   std::cout << std::endl << "References to attributes of base feature [" <<
 258     aBaseRefAttributes.size() << "]" << std::endl;
 259   for (; aRefIt != aRefLast; aRefIt++) {
 260     AttributePtr aBaseAttr = aRefIt->first;
 261     std::list<AttributePtr> aRefAttributes = aRefIt->second;
 262     std::string aRefsInfo;
 263     std::list<AttributePtr>::const_iterator aRefAttrIt = aRefAttributes.begin(),
 264                                             aRefAttrLast = aRefAttributes.end();
 265     for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 266       if (!aRefsInfo.empty())
 267         aRefsInfo.append(",");
 268       AttributePtr aRAttr = *aRefAttrIt;
 269       aRefsInfo.append(aRAttr->id());
 270       FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 271       aRefsInfo.append("(" + aRFeature->name() + ") ");
 272     }
 273     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr =
 274       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseAttr);
 275     std::cout << aPointAttr->id().c_str() <<
 276       ": " << "[" << aRefAttributes.size() << "] " << aRefsInfo << std::endl;
 277   }
 278   std::cout << std::endl;
 279   std::cout << std::endl << "References to base feature [" <<
 280     aRefsToFeature.size() << "]" << std::endl;
 281   std::list<AttributePtr>::const_iterator aRefAttrIt = aRefsToFeature.begin(),
 282                                           aRefAttrLast = aRefsToFeature.end();
 283   std::string aRefsInfo;
 284   for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 285     if (!aRefsInfo.empty())
 286       aRefsInfo.append(",");
 287     AttributePtr aRAttr = *aRefAttrIt;
 288     aRefsInfo.append(aRAttr->id());
 289     FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 290     aRefsInfo.append("(" + aRFeature->name() + ") ");
 291   }
 292   std::cout << "[" << aRefsToFeature.size() << "] " << aRefsInfo << std::endl;
 293   std::cout << "---- getRefAttributes:end ----" << std::endl;
 294 #endif
 295   std::set<AttributePoint2DPtr> aFurtherCoincidences;
 296   std::set<std::pair<AttributePtr, AttributePtr>> aModifiedAttributes;
 297   const std::string& aKind = aBaseFeature->getKind();
 298   FeaturePtr aReplacingFeature, aNewFeature;
 299   if (aKind == SketchPlugin_Circle::ID()) {
 300     aReplacingFeature = trimCircle(aStartShapePoint2d, aLastShapePoint2d,
 301                aFurtherCoincidences, aModifiedAttributes);
 302
 303     aFeaturesToDelete.insert(aBaseFeature);
 304     // as circle is removed, erase it from dependencies(arguments) of this feature
 305     // otherwise Trim feature will be removed with the circle before
 306     // this operation is finished
 307     aBaseObjectAttr->setObject(ResultPtr());
 308   }
 309   else if (aKind == SketchPlugin_Line::ID()) {
 310     aNewFeature = trimLine(aStartShapePoint2d, aLastShapePoint2d, aBaseRefAttributes,
 311                            aFurtherCoincidences, aModifiedAttributes);
 312   }
 313   else if (aKind == SketchPlugin_Arc::ID()) {
 314     aNewFeature = trimArc(aStartShapePoint2d, aLastShapePoint2d, aBaseRefAttributes,
 315                           aFurtherCoincidences, aModifiedAttributes);
 316   }
 317
 318   // constraints to end points of trim feature
 319   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 320     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 321
 322   // create coincidence to objects, intersected the base object
 323   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 324   for (std::set<AttributePoint2DPtr>::const_iterator anIt = aFurtherCoincidences.begin(),
 325                                                      aLast = aFurtherCoincidences.end();
 326        anIt != aLast; anIt++) {
 327     AttributePoint2DPtr aPointAttribute = (*anIt);
 328     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 329
 330 #ifdef DEBUG_TRIM
 331     std::cout << "<compare Points> => " << std::endl
 332             << "aPoint2d: [" << aPoint2d->x() << ", " << aPoint2d->y() << "]" << std::endl;
 333     if (aStartShapePoint2d.get())
 334       std::cout << "Start Point: [" << aStartShapePoint2d->x() << ", " << aStartShapePoint2d->y()
 335                 << "]" << std::endl;
 336     if (aLastShapePoint2d.get())
 337       std::cout << "Last Point: [" << aLastShapePoint2d->x() << ", " << aLastShapePoint2d->y()
 338                 << "]" << std::endl;
 339 #endif
 340
 341     std::shared_ptr<GeomAPI_Pnt> aPoint;
 342     if (aStartShapePoint2d.get() && aPoint2d->isEqual(aStartShapePoint2d))
 343       aPoint = aStartShapePoint;
 344     else if (aLastShapePoint2d.get() && aPoint2d->isEqual(aLastShapePoint2d))
 345       aPoint = aLastShapePoint;
 346
 347     if (!aPoint.get())
 348       continue;
 349
 350     std::pair<std::list<AttributePoint2DPtr >, std::list<ObjectPtr > > anInfo;
 351     for (PointToRefsMap::const_iterator aRefIt = aRefsMap.begin(); aRefIt != aRefsMap.end();
 352          aRefIt++)
 353     {
 354       if (aRefIt->first->isEqual(aPoint)) {
 355         anInfo = aRefIt->second;
 356         break;
 357       }
 358     }
 359     const std::list<ObjectPtr>& anObjects = anInfo.second;
 360     for (std::list<ObjectPtr>::const_iterator anObjectIt = anObjects.begin();
 361       anObjectIt != anObjects.end(); anObjectIt++) {
 362       SketchPlugin_Tools::createConstraintAttrObject(sketch(),
 363             SketchPlugin_ConstraintCoincidence::ID(),
 364             aPointAttribute, *anObjectIt);
 365     }
 366   }
 367
 368   // move constraints from base feature to replacing feature: ignore coincidences to feature
 369   // if attributes of coincidence participated in split
 370   ResultPtr aReplacingResult;
 371   if (aReplacingFeature.get()) {
 372     aReplacingFeature->execute(); // need it to obtain result
 373     aReplacingResult = getFeatureResult(aReplacingFeature);
 374   }
 375   for(std::list<AttributePtr>::const_iterator anIt = aRefsToFeature.begin(),
 376                                           aLast = aRefsToFeature.end();
 377       anIt != aLast; anIt++) {
 378     AttributePtr anAttribute = *anIt;
 379
 380     if (setCoincidenceToAttribute(anAttribute, aFurtherCoincidences, aFeaturesToDelete))
 381       continue;
 382
 383     // move tangency constraint to the nearest feature if possible
 384     if (aNewFeature.get() && moveTangency(anAttribute, aNewFeature))
 385       continue;
 386
 387     if (aReplacingResult.get()) {
 388       AttributeRefAttrPtr aRefAttr =
 389           std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttribute);
 390       if (aRefAttr.get())
 391         aRefAttr->setObject(aReplacingResult);
 392       else {
 393         AttributeReferencePtr aReferenceAttr =
 394                              std::dynamic_pointer_cast<ModelAPI_AttributeReference>(anAttribute);
 395         if (aReferenceAttr.get())
 396           aReferenceAttr->setObject(aReplacingResult);
 397       }
 398     }
 399   }
 400
 401   updateRefAttConstraints(aBaseRefAttributes, aModifiedAttributes, aFeaturesToDelete);
 402
 403   // Wait all constraints being created, then send update events
 404   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 405   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
 406   if (isUpdateFlushed)
 407     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
 408
 409   // delete constraints
 410 #ifdef DEBUG_TRIM
 411   if (aFeaturesToDelete.size() > 0) {
 412     std::cout << "after SPlit: removeFeaturesAndReferences: " << std::endl;
 413     std::string aValue;
 414     for (std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin();
 415          anIt != aFeaturesToDelete.end(); anIt++) {
 416       FeaturePtr aFeature = *anIt;
 417       std::cout << aFeature->data()->name() << std::endl;
 418     }
 419   }
 420 #endif
 421   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 422   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 423
 424   updateFeaturesAfterTrim(aFeaturesToUpdate);
 425
 426   // Send events to update the sub-features by the solver.
 427   if(isUpdateFlushed) {
 428     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 429   }
 430
 431   if (anIsEqualPreviewAndSelected) {
 432     // equal preview and selected objects
 433     // nothing to do if the preview and selected objects are different
 434     if (aReplacingResult.get()) { // base object was removed
 435       aPreviewObject = aReplacingResult;
 436       //aMessage->setSelectedObject(aReplacingResult);
 437 #ifdef DEBUG_TRIM_METHODS
 438       if (!aSelectedShape.get())
 439         std::cout << "Set empty selected object" << std::endl;
 440       else
 441         std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 442 #endif
 443     }
 444     else {
 445       aPreviewObject = ObjectPtr();
 446
 447       aBaseFeature->execute(); // should recompute shapes of result to do not check obsolete one
 448       aBaseObject = getFeatureResult(aBaseFeature);
 449       std::shared_ptr<GeomAPI_Pnt> aPreviewPnt = sketch()->to3D(aPreviewPnt2d->x(),
 450                                                                 aPreviewPnt2d->y());
 451       ResultPtr aBaseResult = std::dynamic_pointer_cast<ModelAPI_Result>(aBaseObject);
 452       if (aBaseResult) {
 453         GeomShapePtr aShape = aBaseResult->shape();
 454         std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 455         if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 456           aPreviewObject = aBaseResult;
 457       }
 458       if (!aPreviewObject.get() && aNewFeature.get()) {
 459         ResultPtr aNewFeatureResult = getFeatureResult(aNewFeature);
 460         if (aNewFeatureResult.get()) {
 461           GeomShapePtr aShape = aNewFeatureResult->shape();
 462           std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 463           if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 464             aPreviewObject = aNewFeatureResult;
 465         }
 466       }
 467     }
 468   }
 469   if (aPreviewObject.get()) {
 470     std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
 471       <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(
 472                                            ModelAPI_EventReentrantMessage::eventId(), this));
 473     aMessage->setSelectedObject(aPreviewObject);
 474     Events_Loop::loop()->send(aMessage);
 475   }
 476 #ifdef DEBUG_TRIM
 477   std::cout << "SketchPlugin_Trim::done" << std::endl;
 478 #endif
 479 }
 480
 481 std::string SketchPlugin_Trim::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 482 {
 483 #ifdef DEBUG_TRIM_METHODS
 484   std::cout << "SketchPlugin_Trim::processEvent:" << data()->name() << std::endl;
 485 #endif
 486   std::string aFilledAttributeName;
 487
 488   std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage =
 489         std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
 490   if (aMessage.get()) {
 491     ObjectPtr anObject = aMessage->selectedObject();
 492     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aMessage->clickedPoint();
 493
 494     if (anObject.get() && aPoint.get()) {
 495       if (myCashedShapes.find(anObject) == myCashedShapes.end())
 496         fillObjectShapes(anObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 497       const std::set<GeomShapePtr>& aShapes = myCashedShapes[anObject];
 498       if (aShapes.size() > 1) {
 499         std::shared_ptr<ModelAPI_AttributeReference> aRefSelectedAttr =
 500                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 501                               data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 502         std::shared_ptr<ModelAPI_AttributeReference> aRefPreviewAttr =
 503                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 504                               data()->attribute(SketchPlugin_Trim::PREVIEW_OBJECT()));
 505         aRefSelectedAttr->setValue(anObject);
 506         aRefPreviewAttr->setValue(anObject);
 507
 508         std::shared_ptr<GeomDataAPI_Point2D> aPointSelectedAttr =
 509                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 510                               data()->attribute(SketchPlugin_Trim::SELECTED_POINT()));
 511         std::shared_ptr<GeomDataAPI_Point2D> aPointPreviewAttr =
 512                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 513                               data()->attribute(SketchPlugin_Trim::PREVIEW_POINT()));
 514         aPointSelectedAttr->setValue(aPoint);
 515         aPointPreviewAttr->setValue(aPoint);
 516
 517         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 518
 519         GeomShapePtr aSelectedShape = getSubShape(SELECTED_OBJECT(), SELECTED_POINT());
 520   #ifdef DEBUG_TRIM_METHODS
 521         if (!aSelectedShape.get())
 522           std::cout << "Set empty selected object" << std::endl;
 523         else
 524           std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 525   #endif
 526         aFilledAttributeName = SketchPlugin_Trim::SELECTED_OBJECT();
 527       }
 528     }
 529   }
 530   return aFilledAttributeName;
 531 }
 532
 533 bool SketchPlugin_Trim::setCoincidenceToAttribute(const AttributePtr& theAttribute,
 534                                 const std::set<AttributePoint2DPtr>& theFurtherCoincidences,
 535                                 std::set<std::shared_ptr<ModelAPI_Feature>>& theFeaturesToDelete)
 536 {
 537   FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
 538   if (aFeature->getKind() != SketchPlugin_ConstraintCoincidence::ID())
 539     return false;
 540
 541   AttributePoint2DPtr aRefPointAttr = SketchPlugin_ConstraintCoincidence::getPoint(aFeature);
 542   if (!aRefPointAttr.get())
 543     return false;
 544   std::shared_ptr<GeomAPI_Pnt2d> aRefPnt2d = aRefPointAttr->pnt();
 545
 546   std::set<AttributePoint2DPtr>::const_iterator anIt = theFurtherCoincidences.begin(),
 547                                                 aLast = theFurtherCoincidences.end();
 548   bool aFoundPoint = false;
 549   for (; anIt != aLast && !aFoundPoint; anIt++) {
 550     AttributePoint2DPtr aPointAttribute = (*anIt);
 551     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 552     if (aPoint2d->isEqual(aRefPnt2d)) {
 553       // create new coincidence and then remove the old one
 554       SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 555           SketchPlugin_ConstraintCoincidence::ID(),
 556           aRefPointAttr, aPointAttribute);
 557       theFeaturesToDelete.insert(aFeature);
 558     }
 559   }
 560   return aFoundPoint;
 561 }
 562
 563 bool SketchPlugin_Trim::moveTangency(const AttributePtr& theAttribute,
 564                                      const FeaturePtr& theFeature)
 565 {
 566   FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
 567   if (aFeature->getKind() != SketchPlugin_ConstraintTangent::ID())
 568     return false;
 569
 570   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 571                                                                            theAttribute);
 572   if (!aRefAttr.get())
 573     return false;
 574
 575   // get shape of tangent object to the current
 576   std::string aTangentAttr = SketchPlugin_Constraint::ENTITY_A();
 577   if (aRefAttr->id() == SketchPlugin_Constraint::ENTITY_A())
 578     aTangentAttr = SketchPlugin_Constraint::ENTITY_B();
 579   AttributeRefAttrPtr aTangentRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 580                                                      aFeature->attribute(aTangentAttr));
 581   FeaturePtr aTangentFeature = ModelAPI_Feature::feature(aTangentRefAttr->object());
 582
 583   // get shape of the feature of the attribute
 584   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(aRefAttr->object());
 585   anAttributeFeature->execute(); // the modified value should be applyed to recompute shape
 586   PointToRefsMap aPointToAttributeOrObject;
 587   std::list<FeaturePtr> aFeatures;
 588   aFeatures.push_back(anAttributeFeature);
 589   ModelGeomAlgo_Point2D::getPointsIntersectedShape(aTangentFeature, aFeatures,
 590                                                    aPointToAttributeOrObject);
 591   if (!aPointToAttributeOrObject.empty())
 592     return true; // the attribute feature has a point of intersection, so we do not replace it
 593
 594   // get shape of the feature
 595   aPointToAttributeOrObject.clear();
 596   aFeatures.clear();
 597   aFeatures.push_back(theFeature);
 598   ModelGeomAlgo_Point2D::getPointsIntersectedShape(aTangentFeature, aFeatures,
 599                                                    aPointToAttributeOrObject);
 600   if (!aPointToAttributeOrObject.empty()) {
 601     std::set<ResultPtr> anEdgeShapes;
 602     ModelGeomAlgo_Shape::shapesOfType(theFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
 603     if (!anEdgeShapes.empty()) {
 604       ResultPtr aResult = *anEdgeShapes.begin();
 605       if (aResult.get()) {
 606         aRefAttr->setObject(aResult);
 607         return true; // the attribute feature has a point of intersection, so we do not replace it
 608       }
 609     }
 610   }
 611   return false;
 612 }
 613
 614 AISObjectPtr SketchPlugin_Trim::getAISObject(AISObjectPtr thePrevious)
 615 {
 616 #ifdef DEBUG_TRIM_METHODS
 617   std::cout << "SketchPlugin_Trim::getAISObject: " << data()->name() << std::endl;
 618 #endif
 619
 620   AISObjectPtr anAIS = thePrevious;
 621
 622   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 623   GeomShapePtr aPreviewShape = getSubShape(PREVIEW_OBJECT(), PREVIEW_POINT());
 624   if (aPreviewShape.get())
 625     aShapes.push_back(aPreviewShape);
 626   GeomShapePtr aSelectedShape = getSubShape(SELECTED_OBJECT(), SELECTED_POINT());
 627   if (aSelectedShape.get())
 628     aShapes.push_back(aSelectedShape);
 629
 630   if (aShapes.empty())
 631     return AISObjectPtr();
 632
 633   GeomShapePtr aBaseShape = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 634   if (!aBaseShape.get())
 635     return AISObjectPtr();
 636
 637   if (aBaseShape.get()) {
 638     if (!anAIS)
 639       anAIS = AISObjectPtr(new GeomAPI_AISObject);
 640     anAIS->createShape(aBaseShape);
 641
 642     std::vector<int> aColor;
 643     aColor = Config_PropManager::color("Visualization", "operation_remove_feature_color");
 644     double aWidth = SketchPlugin_SketchEntity::SKETCH_LINE_WIDTH();
 645     int aLineStyle = SketchPlugin_SketchEntity::SKETCH_LINE_STYLE();
 646     anAIS->setColor(aColor[0], aColor[1], aColor[2]);
 647     // width when there is not base object should be extened in several points
 648     // in order to see this preview over highlight
 649     anAIS->setWidth(aWidth+4);
 650     anAIS->setLineStyle(aLineStyle);
 651   }
 652   else
 653     anAIS = AISObjectPtr();
 654
 655   return anAIS;
 656 }
 657
 658 GeomShapePtr SketchPlugin_Trim::getSubShape(const std::string& theObjectAttributeId,
 659                                             const std::string& thePointAttributeId)
 660 {
 661   GeomShapePtr aBaseShape;
 662
 663   AttributeReferencePtr anObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 664                                                        data()->attribute(theObjectAttributeId));
 665   ObjectPtr aBaseObject = anObjectAttr->value();
 666   if (!aBaseObject.get())
 667     return aBaseShape;
 668
 669   // point on feature
 670   AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 671                                            data()->attribute(thePointAttributeId));
 672   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPointAttr->pnt();
 673   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 674                                                                anAttributePnt2d->y());
 675
 676   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 677     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 678
 679   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 680   if (!aShapes.empty()) {
 681     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 682     for (; anIt != aLast; anIt++) {
 683       GeomShapePtr aShape = *anIt;
 684       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 685       if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, anAttributePnt, aProjectedPoint))
 686         aBaseShape = aShape;
 687     }
 688   }
 689   return aBaseShape;
 690 }
 691
 692 void SketchPlugin_Trim::getFeaturePoints(const FeaturePtr& theFeature,
 693                                          AttributePoint2DPtr& theStartPointAttr,
 694                                          AttributePoint2DPtr& theEndPointAttr)
 695 {
 696   std::string aFeatureKind = theFeature->getKind();
 697   std::string aStartAttributeName, anEndAttributeName;
 698   if (aFeatureKind == SketchPlugin_Line::ID()) {
 699     aStartAttributeName = SketchPlugin_Line::START_ID();
 700     anEndAttributeName = SketchPlugin_Line::END_ID();
 701   }
 702   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 703     aStartAttributeName = SketchPlugin_Arc::START_ID();
 704     anEndAttributeName = SketchPlugin_Arc::END_ID();
 705   }
 706   if (!aStartAttributeName.empty() && !anEndAttributeName.empty()) {
 707     theStartPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 708                                          theFeature->attribute(aStartAttributeName));
 709     theEndPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 710                                          theFeature->attribute(anEndAttributeName));
 711   }
 712 }
 713
 714 void SketchPlugin_Trim::getConstraints(std::set<FeaturePtr>& theFeaturesToDelete,
 715                                        std::set<FeaturePtr>& theFeaturesToUpdate)
 716 {
 717   std::shared_ptr<ModelAPI_Data> aData = data();
 718
 719   // Check the base objects are initialized.
 720   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 721                                          aData->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 722   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 723   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
 724
 725   std::set<AttributePtr> aRefsList = aBaseFeatureResult->data()->refsToMe();
 726   std::set<AttributePtr> aFRefsList = aBaseFeature->data()->refsToMe();
 727   aRefsList.insert(aFRefsList.begin(), aFRefsList.end());
 728
 729   std::set<AttributePtr>::const_iterator aIt;
 730   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 731     std::shared_ptr<ModelAPI_Attribute> anAttr = (*aIt);
 732     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
 733     std::string aRefFeatureKind = aRefFeature->getKind();
 734     std::string anAttributeId = anAttr->id();
 735     if ((aRefFeatureKind == SketchPlugin_ConstraintMirror::ID() &&
 736          anAttributeId == SketchPlugin_ConstraintMirror::MIRROR_LIST_ID()) ||
 737         (aRefFeatureKind == SketchPlugin_MultiRotation::ID() &&
 738          anAttributeId == SketchPlugin_MultiRotation::ROTATION_LIST_ID()) ||
 739         (aRefFeatureKind == SketchPlugin_MultiTranslation::ID() &&
 740          anAttributeId == SketchPlugin_MultiTranslation::TRANSLATION_LIST_ID()) ||
 741         aRefFeatureKind == SketchPlugin_ConstraintMiddle::ID())
 742       theFeaturesToDelete.insert(aRefFeature);
 743     else if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID())
 744       theFeaturesToUpdate.insert(aRefFeature);
 745   }
 746 }
 747
 748 void SketchPlugin_Trim::getRefAttributes(const FeaturePtr& theFeature,
 749                                     std::map<AttributePtr, std::list<AttributePtr> >& theRefs,
 750                                     std::list<AttributePtr>& theRefsToFeature)
 751 {
 752   theRefs.clear();
 753
 754   std::list<AttributePtr> aPointAttributes =
 755     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 756   std::set<AttributePtr> aPointAttributesSet;
 757
 758   std::list<AttributePtr>::const_iterator aPIt =
 759     aPointAttributes.begin(), aPLast = aPointAttributes.end();
 760   for (; aPIt != aPLast; aPIt++)
 761     aPointAttributesSet.insert(*aPIt);
 762
 763   std::set<AttributePtr> aRefsAttributes = getFeatureResult(theFeature)->data()->refsToMe();
 764   std::set<AttributePtr> aFRefsList = theFeature->data()->refsToMe();
 765   aRefsAttributes.insert(aFRefsList.begin(), aFRefsList.end());
 766
 767   std::set<AttributePtr>::const_iterator aIt;
 768   for (aIt = aRefsAttributes.cbegin(); aIt != aRefsAttributes.cend(); ++aIt) {
 769     AttributePtr anAttr = (*aIt);
 770     FeaturePtr anAttrFeature = ModelAPI_Feature::feature(anAttr->owner());
 771     if (anAttrFeature.get() != this &&
 772         anAttr.get() && anAttr->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
 773       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
 774       if (!aRefAttr->isObject()) { /// find attributes referenced to feature point attributes
 775         AttributePtr anAttrInRef = aRefAttr->attr();
 776         if (anAttrInRef.get() &&
 777             aPointAttributesSet.find(anAttrInRef) != aPointAttributesSet.end()) {
 778           if (theRefs.find(anAttrInRef) != theRefs.end())
 779             theRefs[anAttrInRef].push_back(aRefAttr);
 780           else {
 781             std::list<AttributePtr> anAttrList;
 782             anAttrList.push_back(aRefAttr);
 783             theRefs[anAttrInRef] = anAttrList;
 784           }
 785         }
 786       }
 787       else { /// find attributes referenced to feature itself
 788         theRefsToFeature.push_back(anAttr);
 789       }
 790     }
 791   }
 792 }
 793
 794 void SketchPlugin_Trim::updateRefAttConstraints(
 795                     const std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 796                     const std::set<std::pair<AttributePtr, AttributePtr> >& theModifiedAttributes,
 797                     std::set<FeaturePtr>& theFeaturesToDelete)
 798 {
 799 #ifdef DEBUG_TRIM
 800   std::cout << "SketchPlugin_Trim::updateRefAttConstraints" << std::endl;
 801 #endif
 802
 803   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 804     anIt = theModifiedAttributes.begin(),  aLast = theModifiedAttributes.end();
 805   for (; anIt != aLast; anIt++) {
 806     AttributePtr anAttribute = anIt->first;
 807
 808     /// not found in references
 809     if (theBaseRefAttributes.find(anAttribute) == theBaseRefAttributes.end())
 810       continue;
 811     std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(anAttribute);
 812     std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 813                                             aRLast = aRefAttributes.end();
 814
 815     AttributePtr aNewAttribute = anIt->second;
 816     if (aNewAttribute.get()) {
 817       for (; aRefIt != aRLast; aRefIt++) {
 818         AttributeRefAttrPtr aRefAttr =
 819                         std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 820         if (aRefAttr.get()) {
 821             aRefAttr->setAttr(aNewAttribute);
 822         }
 823       }
 824     }
 825   }
 826 }
 827
 828 void SketchPlugin_Trim::removeReferencesToAttribute(const AttributePtr& theAttribute,
 829                   std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes)
 830 {
 831   /// not found in references
 832   if (theBaseRefAttributes.find(theAttribute) == theBaseRefAttributes.end())
 833     return;
 834
 835   std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(theAttribute);
 836   std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 837                                           aRLast = aRefAttributes.end();
 838
 839   std::set<FeaturePtr> aFeaturesToDelete;
 840   for (; aRefIt != aRLast; aRefIt++) {
 841     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 842     if (aRefAttr.get()) {
 843       aFeaturesToDelete.insert(ModelAPI_Feature::feature(aRefAttr->owner()));
 844     }
 845   }
 846
 847 #ifdef DEBUG_TRIM
 848   // delete constraints
 849   if (aFeaturesToDelete.size() > 0) {
 850     std::cout << "removeReferencesToAttribute: " << std::endl;
 851     std::string aValue;
 852     for (std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin();
 853          anIt != aFeaturesToDelete.end(); anIt++) {
 854       FeaturePtr aFeature = *anIt;
 855       std::cout << aFeature->data()->name() << std::endl;
 856     }
 857   }
 858 #endif
 859   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 860   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 861 }
 862
 863 void SketchPlugin_Trim::updateFeaturesAfterTrim(const std::set<FeaturePtr>& theFeaturesToUpdate)
 864 {
 865   std::set<FeaturePtr>::const_iterator anIt = theFeaturesToUpdate.begin(),
 866                                        aLast = theFeaturesToUpdate.end();
 867   for (; anIt != aLast; anIt++) {
 868     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 869     std::string aRefFeatureKind = aRefFeature->getKind();
 870     if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID()) {
 871       std::shared_ptr<SketchPlugin_ConstraintLength> aLenghtFeature =
 872                               std::dynamic_pointer_cast<SketchPlugin_ConstraintLength>(*anIt);
 873       if (aLenghtFeature.get()) {
 874         std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
 875             ModelAPI_AttributeDouble>(aLenghtFeature->attribute(SketchPlugin_Constraint::VALUE()));
 876         double aValue;
 877         if (aLenghtFeature->computeLenghtValue(aValue) && aValueAttr.get())
 878           aValueAttr->setValue(aValue);
 879       }
 880     }
 881   }
 882 }
 883
 884 FeaturePtr SketchPlugin_Trim::trimLine(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 885                   const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 886                   std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 887                   std::set<AttributePoint2DPtr>& thePoints,
 888                   std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 889 {
 890   FeaturePtr anNewFeature;
 891
 892   // Check the base objects are initialized.
 893   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 894                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 895   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 896   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 897
 898   /// points of trim
 899   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 900   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 901
 902   std::shared_ptr<GeomAPI_Pnt2d> aStartFeaturePoint = aStartPointAttrOfBase->pnt();
 903   std::shared_ptr<GeomAPI_Pnt2d> aLastFeaturePoint = anEndPointAttrOfBase->pnt();
 904
 905   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 906   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 907   arrangePointsOnLine(aStartPointAttrOfBase, anEndPointAttrOfBase,
 908                       aStartShapePoint, aLastShapePoint);
 909 #ifdef DEBUG_TRIM
 910   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 911   if (aStartShapePoint.get())
 912     std::cout << "Start point: [" << aStartShapePoint->x() << ", " <<
 913                                        aStartShapePoint->y() << "]" << std::endl;
 914   std::cout << "1st point:   [" << aStartFeaturePoint->x() << ", " <<
 915                                    aStartFeaturePoint->y() << "]" << std::endl;
 916   if (aLastShapePoint.get())
 917     std::cout << "2st point:   [" << aLastShapePoint->x() << ", " <<
 918                                      aLastShapePoint->y() << "]" << std::endl;
 919   std::cout << "End point:   [" << aLastFeaturePoint->x() << ", " <<
 920                                    aLastFeaturePoint->y() << "]" << std::endl;
 921 #endif
 922
 923   bool isStartPoint = !aStartShapePoint.get() || aStartFeaturePoint->isEqual(aStartShapePoint);
 924   bool isLastPoint = !aLastShapePoint.get() || aLastFeaturePoint->isEqual(aLastShapePoint);
 925   if (isStartPoint || isLastPoint) {
 926     // result is one line: changed existing line
 927     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Line::START_ID()
 928                                                   : SketchPlugin_Line::END_ID();
 929     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 930     if (aStartShapePoint.get() && aLastShapePoint.get())
 931       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
 932     else
 933       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
 934
 935     // it is important to delete references before the feature modification because
 936     // if deletion will be after the feature modification, solver returns the feature back
 937     removeReferencesToAttribute(aBaseFeature->attribute(aModifiedAttribute),
 938                                 theBaseRefAttributes);
 939
 940     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
 941     //theModifiedAttributes.insert(
 942     //  std::make_pair(aBaseFeature->attribute(aModifiedAttribute), AttributePtr()));
 943
 944     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 945                                (aBaseFeature->attribute(aModifiedAttribute)));
 946   }
 947   else {
 948     // result is two lines: start line point - start shape point,
 949     // last shape point - last line point
 950     // create second line
 951     anNewFeature = createLineFeature(aBaseFeature, aLastShapePoint, aLastFeaturePoint);
 952     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 953                                (anNewFeature->attribute(SketchPlugin_Line::START_ID())));
 954
 955     std::string aModifiedAttribute = SketchPlugin_Line::END_ID();
 956     theModifiedAttributes.insert(
 957       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
 958                                    anNewFeature->attribute(SketchPlugin_Line::END_ID())));
 959
 960     // modify base arc
 961     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
 962
 963     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 964                                (aBaseFeature->attribute(aModifiedAttribute)));
 965
 966     // Collinear constraint for lines
 967     SketchPlugin_Tools::createConstraintObjectObject(sketch(),
 968                                          SketchPlugin_ConstraintCollinear::ID(),
 969                                          getFeatureResult(aBaseFeature),
 970                                          getFeatureResult(anNewFeature));
 971   }
 972   return anNewFeature;
 973 }
 974
 975 FeaturePtr SketchPlugin_Trim::trimArc(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 976                  const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 977                  std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 978                  std::set<AttributePoint2DPtr>& thePoints,
 979                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 980 {
 981   FeaturePtr anNewFeature;
 982   // Check the base objects are initialized.
 983   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 984                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 985   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 986   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 987
 988   /// points of trim
 989   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 990   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 991
 992   std::shared_ptr<GeomAPI_Pnt2d> aStartArcPoint = aStartPointAttrOfBase->pnt();
 993   std::shared_ptr<GeomAPI_Pnt2d> aLastArcPoint = anEndPointAttrOfBase->pnt();
 994
 995   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 996   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 997   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
 998                      aStartShapePoint, aLastShapePoint);
 999 #ifdef DEBUG_TRIM
1000   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
1001   if (aStartShapePoint.get())
1002     std::cout << "Start shape point: [" << aStartShapePoint->x() << ", " <<
1003                                        aStartShapePoint->y() << "]" << std::endl;
1004   std::cout << "Start arc attribute point:   [" << aStartArcPoint->x() << ", " <<
1005                                    aStartArcPoint->y() << "]" << std::endl;
1006   if (aLastShapePoint.get())
1007     std::cout << "Last shape point:   [" << aLastShapePoint->x() << ", " <<
1008                                      aLastShapePoint->y() << "]" << std::endl;
1009   std::cout << "Last arc attribute point:   [" << aLastArcPoint->x() << ", " <<
1010                                    aLastArcPoint->y() << "]" << std::endl;
1011 #endif
1012
1013   bool isStartPoint = !aStartShapePoint.get() || aStartArcPoint->isEqual(aStartShapePoint);
1014   bool isLastPoint = !aLastShapePoint.get() || aLastArcPoint->isEqual(aLastShapePoint);
1015   if (isStartPoint || isLastPoint) {
1016     // result is one arc: changed existing arc
1017     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Arc::START_ID()
1018                                                   : SketchPlugin_Arc::END_ID();
1019     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
1020     if (aStartShapePoint.get() && aLastShapePoint.get())
1021       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
1022     else
1023       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
1024
1025     removeReferencesToAttribute(aBaseFeature->attribute(aModifiedAttribute),
1026                                 theBaseRefAttributes);
1027
1028     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
1029
1030     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1031                                (aBaseFeature->attribute(aModifiedAttribute)));
1032   }
1033   else {
1034     // result is two arcs: start arc point - start shape point, last shape point - last arc point
1035     // create second arc
1036     anNewFeature = createArcFeature(aBaseFeature, aLastShapePoint, aLastArcPoint);
1037     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1038                                (anNewFeature->attribute(SketchPlugin_Arc::START_ID())));
1039
1040     std::string aModifiedAttribute = SketchPlugin_Arc::END_ID();
1041     theModifiedAttributes.insert(
1042       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
1043                                    anNewFeature->attribute(SketchPlugin_Arc::END_ID())));
1044
1045     // modify base arc
1046     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
1047
1048     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1049                                (aBaseFeature->attribute(aModifiedAttribute)));
1050
1051     // equal Radius constraint for arcs
1052     SketchPlugin_Tools::createConstraintObjectObject(sketch(),
1053                                          SketchPlugin_ConstraintEqual::ID(),
1054                                          getFeatureResult(aBaseFeature),
1055                                          getFeatureResult(anNewFeature));
1056     // coincident centers constraint
1057     SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
1058                                          SketchPlugin_ConstraintCoincidence::ID(),
1059                                          aBaseFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1060                                          anNewFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
1061
1062 #ifdef DEBUG_TRIM
1063     std::cout << "Created arc on points:" << std::endl;
1064     std::cout << "Start shape point: [" << aStartShapePoint->x() << ", " <<
1065                                            aStartShapePoint->y() << "]" << std::endl;
1066 #endif
1067   }
1068   return anNewFeature;
1069 }
1070
1071 FeaturePtr SketchPlugin_Trim::trimCircle(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
1072                                    const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
1073                                    std::set<AttributePoint2DPtr>& thePoints,
1074                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
1075 {
1076   // Check the base objects are initialized.
1077   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1078                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
1079   ObjectPtr aBaseObject = aBaseObjectAttr->value();
1080   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1081
1082   /// points of trim
1083   //AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
1084   //getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
1085
1086   /// trim feature
1087   FeaturePtr anNewFeature = createArcFeature(aBaseFeature, theStartShapePoint, theLastShapePoint);
1088   // arc created by trim of circle is always correct, that means that it is not inversed
1089   anNewFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(false);
1090
1091   theModifiedAttributes.insert(
1092     std::make_pair(aBaseFeature->attribute(SketchPlugin_Circle::CENTER_ID()),
1093                    anNewFeature->attribute(SketchPlugin_Arc::CENTER_ID())));
1094
1095   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1096                              (anNewFeature->attribute(SketchPlugin_Arc::START_ID())));
1097   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1098                              (anNewFeature->attribute(SketchPlugin_Arc::END_ID())));
1099
1100   return anNewFeature;
1101 }
1102
1103 void SketchPlugin_Trim::arrangePointsOnLine(const AttributePoint2DPtr& theStartPointAttr,
1104                                             const AttributePoint2DPtr& theEndPointAttr,
1105                                             std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1106                                             std::shared_ptr<GeomAPI_Pnt2d>& theLastPoint) const
1107 {
1108   if (!theFirstPoint.get() || !theLastPoint.get())
1109     return;
1110
1111   // if first point is closer to last point, swap first and last values
1112   if (theStartPointAttr->pnt()->distance(theFirstPoint) >
1113       theStartPointAttr->pnt()->distance(theLastPoint)) {
1114     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
1115     theFirstPoint = theLastPoint;
1116     theLastPoint = aTmpPoint;
1117   }
1118 }
1119
1120 void SketchPlugin_Trim::arrangePointsOnArc(const FeaturePtr& theArc,
1121                                   const AttributePoint2DPtr& theStartPointAttr,
1122                                   const AttributePoint2DPtr& theEndPointAttr,
1123                                   std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1124                                   std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint) const
1125 {
1126   if (!theFirstPoint.get() || !theSecondPoint.get())
1127     return;
1128
1129   static const double anAngleTol = 1.e-12;
1130
1131   std::shared_ptr<GeomAPI_Pnt2d> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1132       theArc->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1133   bool isReversed = theArc->boolean(SketchPlugin_Arc::REVERSED_ID())->value();
1134
1135   // collect directions to each point
1136   std::shared_ptr<GeomAPI_Dir2d> aStartDir(
1137       new GeomAPI_Dir2d(theStartPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1138   std::shared_ptr<GeomAPI_Dir2d> aFirstPtDir(
1139       new GeomAPI_Dir2d(theFirstPoint->xy()->decreased(aCenter->xy())));
1140   std::shared_ptr<GeomAPI_Dir2d> aSecondPtDir(
1141       new GeomAPI_Dir2d(theSecondPoint->xy()->decreased(aCenter->xy())));
1142
1143   // sort points by their angular values
1144   double aFirstPtAngle = aStartDir->angle(aFirstPtDir);
1145   double aSecondPtAngle = aStartDir->angle(aSecondPtDir);
1146   double aPeriod = isReversed ? -2.0 * PI : 2.0 * PI;
1147   if (fabs(aFirstPtAngle) > anAngleTol && isReversed == (aFirstPtAngle > 0.))
1148     aFirstPtAngle += aPeriod;
1149   if (fabs(aSecondPtAngle) > anAngleTol && isReversed == (aSecondPtAngle > 0.))
1150     aSecondPtAngle += aPeriod;
1151
1152   if (fabs(aFirstPtAngle) > fabs(aSecondPtAngle)) {
1153     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
1154     theFirstPoint = theSecondPoint;
1155     theSecondPoint = aTmpPoint;
1156   }
1157 }
1158
1159 void SketchPlugin_Trim::fillPointAttribute(const AttributePtr& theModifiedAttribute,
1160                                            const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
1161 {
1162   std::string anAttributeType = theModifiedAttribute->attributeType();
1163   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1164     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1165                                               theModifiedAttribute);
1166     aModifiedAttribute->setValue(thePoint);
1167
1168 #ifdef DEBUG_TRIM
1169     FeaturePtr aFeature = ModelAPI_Feature::feature(theModifiedAttribute->owner());
1170     std::cout << "<fillPointAttribute[" << aFeature->data()->name() << ": " <<
1171       theModifiedAttribute->id() <<
1172       "]> => Pnt2d - [" << thePoint->x() << ", " << thePoint->y() << "]" << std::endl;
1173 #endif
1174   }
1175 }
1176
1177
1178 void SketchPlugin_Trim::fillAttribute(const AttributePtr& theModifiedAttribute,
1179                                       const AttributePtr& theSourceAttribute)
1180 {
1181   std::string anAttributeType = theModifiedAttribute->attributeType();
1182   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1183     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1184                                               theModifiedAttribute);
1185     AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1186                                               theSourceAttribute);
1187
1188     if (aModifiedAttribute.get() && aSourceAttribute.get())
1189       aModifiedAttribute->setValue(aSourceAttribute->pnt());
1190   }
1191   else if (anAttributeType == ModelAPI_AttributeBoolean::typeId()) {
1192     AttributeBooleanPtr aModifiedAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1193                                               theModifiedAttribute);
1194     AttributeBooleanPtr aSourceAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1195                                               theSourceAttribute);
1196
1197     if (aModifiedAttribute.get() && aSourceAttribute.get())
1198       aModifiedAttribute->setValue(aSourceAttribute->value());
1199   }
1200   else if (anAttributeType == ModelAPI_AttributeRefAttr::typeId()) {
1201     AttributeRefAttrPtr aRefAttributeToFill = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1202                                                                              theModifiedAttribute);
1203     AttributeRefAttrPtr aSourceRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1204                                          theSourceAttribute);
1205     if (!aSourceRefAttr.get())
1206       aRefAttributeToFill->setAttr(theSourceAttribute);
1207     else {
1208       if (aSourceRefAttr->isObject())
1209         aRefAttributeToFill->setObject(aSourceRefAttr->object());
1210       else
1211         aRefAttributeToFill->setAttr(aSourceRefAttr->attr());
1212     }
1213   }
1214 }
1215
1216 FeaturePtr SketchPlugin_Trim::createLineFeature(const FeaturePtr& theBaseFeature,
1217                                         const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1218                                         const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
1219 {
1220 #ifdef DEBUG_TRIM
1221   std::cout << "---- createLineFeature ---" << std::endl;
1222 #endif
1223
1224   FeaturePtr aFeature;
1225   SketchPlugin_Sketch* aSketch = sketch();
1226   if (!aSketch || !theBaseFeature.get())
1227     return aFeature;
1228
1229   aFeature = aSketch->addFeature(SketchPlugin_Line::ID());
1230
1231   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), theFirstPoint);
1232   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::END_ID()), theSecondPoint);
1233
1234   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
1235                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
1236
1237   aFeature->execute(); // to obtain result
1238
1239 #ifdef DEBUG_TRIM
1240   std::cout << "---- createLineFeature:end ---" << std::endl;
1241 #endif
1242
1243   return aFeature;
1244 }
1245
1246 FeaturePtr SketchPlugin_Trim::createArcFeature(const FeaturePtr& theBaseFeature,
1247                                                const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1248                                                const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
1249 {
1250   FeaturePtr aFeature;
1251   SketchPlugin_Sketch* aSketch = sketch();
1252   if (!aSketch || !theBaseFeature.get())
1253     return aFeature;
1254
1255   std::string aCenterAttributeId;
1256   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID())
1257     aCenterAttributeId = SketchPlugin_Arc::CENTER_ID();
1258   else if (theBaseFeature->getKind() == SketchPlugin_Circle::ID())
1259     aCenterAttributeId = SketchPlugin_Circle::CENTER_ID();
1260
1261   if (aCenterAttributeId.empty())
1262     return aFeature;
1263
1264 #ifdef DEBUG_TRIM
1265   std::cout << "---- createArcFeature ---" << std::endl;
1266 #endif
1267
1268   aFeature = aSketch->addFeature(SketchPlugin_Arc::ID());
1269   // update fillet arc: make the arc correct for sure, so, it is not needed to process
1270   // the "attribute updated"
1271   // by arc; moreover, it may cause cyclicity in hte mechanism of updater
1272   bool aWasBlocked = aFeature->data()->blockSendAttributeUpdated(true);
1273
1274   fillAttribute(aFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1275                 theBaseFeature->attribute(aCenterAttributeId));
1276   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), theFirstPoint);
1277   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::END_ID()), theSecondPoint);
1278
1279   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
1280                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
1281
1282   /// fill referersed state of created arc as it is on the base arc
1283   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID()) {
1284     bool aReversed = theBaseFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->value();
1285     aFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(aReversed);
1286   }
1287   aFeature->execute(); // to obtain result (need to calculate arc parameters before sending Update)
1288   aFeature->data()->blockSendAttributeUpdated(aWasBlocked);
1289
1290   #ifdef DEBUG_TRIM
1291   std::cout << "---- createArcFeature:end ---" << std::endl;
1292   #endif
1293
1294   return aFeature;
1295 }
1296
1297 std::shared_ptr<ModelAPI_Result> SketchPlugin_Trim::getFeatureResult(
1298                                     const std::shared_ptr<ModelAPI_Feature>& theFeature)
1299 {
1300   std::shared_ptr<ModelAPI_Result> aResult;
1301
1302   std::string aFeatureKind = theFeature->getKind();
1303   if (aFeatureKind == SketchPlugin_Line::ID())
1304     aResult = theFeature->firstResult();
1305   else if (aFeatureKind == SketchPlugin_Arc::ID())
1306     aResult = theFeature->lastResult();
1307   else if (aFeatureKind == SketchPlugin_Circle::ID())
1308     aResult = theFeature->lastResult();
1309
1310   return aResult;
1311 }
1312
1313 //********************************************************************
1314 void SketchPlugin_Trim::fillObjectShapes(const ObjectPtr& theObject,
1315                 const ObjectPtr& theSketch,
1316                 std::map<ObjectPtr, std::set<GeomShapePtr> >& theCashedShapes,
1317                 std::map<ObjectPtr, PointToRefsMap>& theObjectToPoints)
1318 {
1319   PointToRefsMap aPointsInfo;
1320
1321   std::set<std::shared_ptr<GeomAPI_Shape> > aShapes;
1322   std::map<std::shared_ptr<GeomAPI_Pnt>,
1323                            std::list< AttributePoint2DPtr > > aPointToAttributes;
1324   std::map<std::shared_ptr<GeomAPI_Pnt>,
1325                            std::list< ObjectPtr > > aPointToObjects;
1326
1327   std::set<AttributePoint2DPtr > aRefAttributes;
1328   // current feature
1329   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1330   std::set<ResultPtr> anEdgeShapes;
1331   // edges on feature
1332   ModelGeomAlgo_Shape::shapesOfType(aFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
1333   if (!anEdgeShapes.empty()) {
1334     GeomShapePtr aFeatureShape = (*anEdgeShapes.begin())->shape();
1335
1336     // coincidences to the feature
1337     ModelGeomAlgo_Point2D::getPointsOfReference(aFeature, SketchPlugin_ConstraintCoincidence::ID(),
1338                          aRefAttributes, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
1339     // layed on feature coincidences to divide it on several shapes
1340     std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
1341     std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
1342         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
1343     std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1344         aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
1345     std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1346         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
1347     std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
1348
1349     ModelGeomAlgo_Point2D::getPointsInsideShape(aFeatureShape, aRefAttributes, aC->pnt(),
1350                                                 aX->dir(), aY, aPointsInfo);
1351
1352     std::list<FeaturePtr> aFeatures;
1353     CompositeFeaturePtr aSketchComposite =
1354                          std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theSketch);
1355     for (int i = 0; i < aSketchComposite->numberOfSubs(); i++) {
1356       FeaturePtr aFeature = aSketchComposite->subFeature(i);
1357       if (aFeature.get() && aFeature->getKind() != SketchPlugin_Projection::ID())
1358         aFeatures.push_back(aFeature);
1359     }
1360     ModelGeomAlgo_Point2D::getPointsIntersectedShape(aFeature, aFeatures, aPointsInfo);
1361
1362     GeomAlgoAPI_ShapeTools::splitShape(aFeatureShape, aPointsInfo, aShapes);
1363   }
1364   theObjectToPoints[theObject] = aPointsInfo;
1365   theCashedShapes[theObject] = aShapes;
1366 }