src/SketchPlugin/SketchPlugin_Trim.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_Trim.cpp
   4 // Created: 22 Feb 2017
   5 // Author:  Natalia ERMOLAEVA
   6
   7 #include "SketchPlugin_Trim.h"
   8
   9 #include <GeomAPI_Dir2d.h>
  10 #include <GeomAPI_Edge.h>
  11 #include <GeomAPI_Pnt2d.h>
  12 #include <GeomAPI_XY.h>
  13 #include <GeomDataAPI_Point2D.h>
  14 #include <GeomAlgoAPI_ShapeTools.h>
  15 #include <GeomAlgoAPI_CompoundBuilder.h>
  16
  17 #include <ModelAPI_AttributeReference.h>
  18 #include <ModelAPI_AttributeString.h>
  19 #include <ModelAPI_AttributeRefAttr.h>
  20 #include <ModelAPI_Tools.h>
  21 #include <ModelAPI_AttributeBoolean.h>
  22
  23 #include <ModelAPI_Validator.h>
  24 #include <ModelAPI_Session.h>
  25 #include <ModelAPI_AttributeDouble.h>
  26
  27 #include <ModelGeomAlgo_Shape.h>
  28
  29 #include <SketchPlugin_Arc.h>
  30 #include <SketchPlugin_ConstraintMiddle.h>
  31 #include <SketchPlugin_Circle.h>
  32 #include <SketchPlugin_ConstraintCoincidence.h>
  33 #include <SketchPlugin_ConstraintEqual.h>
  34 //#include <SketchPlugin_ConstraintParallel.h>
  35 #include <SketchPlugin_ConstraintTangent.h>
  36 #include <SketchPlugin_ConstraintLength.h>
  37 #include <SketchPlugin_ConstraintMirror.h>
  38 #include <SketchPlugin_ConstraintCollinear.h>
  39 #include <SketchPlugin_Line.h>
  40 #include <SketchPlugin_MultiRotation.h>
  41 #include <SketchPlugin_MultiTranslation.h>
  42 #include <SketchPlugin_Point.h>
  43
  44 #include <ModelAPI_EventReentrantMessage.h>
  45
  46 #include <ModelAPI_Events.h>
  47 #include <SketchPlugin_Line.h>
  48 #include <SketchPlugin_Arc.h>
  49 #include <SketchPlugin_Circle.h>
  50
  51 #include <ModelGeomAlgo_Point2D.h>
  52 #include <Events_Loop.h>
  53
  54 #include <cmath>
  55
  56 //#define DEBUG_TRIM_METHODS
  57 //#define DEBUG_TRIM
  58
  59 #ifdef DEBUG_TRIM
  60 #include <iostream>
  61 #endif
  62
  63 #ifdef DEBUG_TRIM_METHODS
  64 #include <iostream>
  65 #endif
  66
  67 static const double PI = 3.141592653589793238463;
  68
  69 static const std::string OPERATION_HIGHLIGHT_COLOR() { return "128, 0, 0"; }
  70 static const std::string OPERATION_REMOVE_FEATURE_COLOR() { return "255, 174, 201"; }
  71
  72 SketchPlugin_Trim::SketchPlugin_Trim()
  73 {
  74 }
  75
  76 void SketchPlugin_Trim::initAttributes()
  77 {
  78   data()->addAttribute(SELECTED_OBJECT(), ModelAPI_AttributeReference::typeId());
  79   data()->addAttribute(SELECTED_POINT(), GeomDataAPI_Point2D::typeId());
  80
  81   data()->addAttribute(PREVIEW_POINT(), GeomDataAPI_Point2D::typeId());
  82   data()->addAttribute(PREVIEW_OBJECT(), ModelAPI_AttributeReference::typeId());
  83
  84   data()->attribute(PREVIEW_POINT())->setIsArgument(false);
  85   data()->attribute(SELECTED_POINT())->setIsArgument(false);
  86   data()->attribute(PREVIEW_OBJECT())->setIsArgument(false);
  87
  88   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_POINT());
  89   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_OBJECT());
  90 }
  91
  92 void SketchPlugin_Trim::findShapePoints(const std::string& theObjectAttributeId,
  93                                         const std::string& thePointAttributeId,
  94                                         std::shared_ptr<GeomAPI_Pnt>& aStartPoint,
  95                                         std::shared_ptr<GeomAPI_Pnt>& aLastPoint)
  96 {
  97   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
  98                                             data()->attribute(theObjectAttributeId));
  99   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 100
 101   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 102                                               data()->attribute(thePointAttributeId));
 103   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
 104   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 105                                                                anAttributePnt2d->y());
 106
 107   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 108     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 109
 110   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 111   if (!aShapes.empty()) {
 112     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 113     for (; anIt != aLast; anIt++) {
 114       GeomShapePtr aBaseShape = *anIt;
 115       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 116       if (ModelGeomAlgo_Point2D::isPointOnEdge(aBaseShape, anAttributePnt, aProjectedPoint)) {
 117
 118         if (aBaseShape->shapeType() == GeomAPI_Shape::EDGE) {
 119           std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aBaseShape));
 120           //GeomAPI_Shape::Orientation anOrientation = anEdge->orientation();
 121           //if (anOrientation == GeomAPI_Shape::REVERSED) {
 122             aStartPoint = anEdge->lastPoint();
 123             aLastPoint = anEdge->firstPoint();
 124           //}
 125           //else {
 126             //aStartPoint = anEdge->firstPoint();
 127             //aLastPoint = anEdge->lastPoint();
 128           //}
 129         }
 130       }
 131     }
 132   }
 133 #ifdef DEBUG_TRIM
 134   std::cout << "<findShapePoints> => "
 135     << std::endl << "Attribute point: "
 136     << anAttributePnt->x() << ", " << anAttributePnt->y() << ", " << anAttributePnt->z() << "]"
 137     << std::endl << "Start Point: ["
 138     << aStartPoint->x() << ", " << aStartPoint->y() << ", " << aStartPoint->z() << "]"
 139     << std::endl << "Last Point: ["
 140     << aLastPoint->x() << ", " << aLastPoint->y() << ", " << aLastPoint->z() << "]"
 141     << std::endl;
 142 #endif
 143 }
 144
 145 std::shared_ptr<GeomAPI_Pnt2d> SketchPlugin_Trim::convertPoint(
 146                                                    const std::shared_ptr<GeomAPI_Pnt>& thePoint)
 147 {
 148   std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 149   if (!thePoint.get())
 150     return aPoint;
 151
 152   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 153                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 154   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 155   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 156     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 157
 158   bool aFound = false;
 159   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 160   for (PointToRefsMap::const_iterator aPointIt = aRefsMap.begin();
 161        aPointIt != aRefsMap.end() && !aFound; aPointIt++) {
 162     if (aPointIt->first->isEqual(thePoint)) {
 163       const std::pair<std::list<AttributePoint2DPtr >,
 164                std::list<ObjectPtr > >& anInfo = aPointIt->second;
 165       const std::list<AttributePoint2DPtr >& anAttributes = anInfo.first;
 166       if (!anAttributes.empty()) {
 167         aPoint = anAttributes.front()->pnt();
 168         aFound = true;
 169       }
 170       else {
 171         aPoint = sketch()->to2D(thePoint);
 172         aFound = true;
 173       }
 174     }
 175   }
 176   if (!aFound) {
 177     // returns an end of the shape to define direction of split if feature's attribute
 178     // participates
 179     aPoint = sketch()->to2D(thePoint);
 180   }
 181   return aPoint;
 182 }
 183
 184 void SketchPlugin_Trim::execute()
 185 {
 186 #ifdef DEBUG_TRIM_METHODS
 187   std::cout << "SketchPlugin_Trim::execute: " << data()->name() << std::endl;
 188 #endif
 189
 190   SketchPlugin_Sketch* aSketch = sketch();
 191   if (!aSketch) {
 192     setError("Error: Sketch object is empty.");
 193     return;
 194   }
 195
 196   // Check the base objects are initialized.
 197   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 198                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 199   if(!aBaseObjectAttr->isInitialized()) {
 200     setError("Error: Base object is not initialized.");
 201     return;
 202   }
 203   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 204   if (!aBaseObject.get()) {
 205     setError("Error: Base object is not initialized.");
 206     return;
 207   }
 208   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 209
 210   /// Remove reference of this feature to feature used in preview, it is not necessary anymore
 211   /// as trim will be removed after execute
 212   AttributeReferencePtr aPreviewObjectAttr =
 213                      std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 214                      data()->attribute(SketchPlugin_Trim::PREVIEW_OBJECT()));
 215
 216   ObjectPtr aPreviewObject = aPreviewObjectAttr->value();
 217   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 218                                            data()->attribute(PREVIEW_POINT()));
 219   std::shared_ptr<GeomAPI_Pnt2d> aPreviewPnt2d = aPoint->pnt();
 220   // nullify pointer of preview attribute
 221   aPreviewObjectAttr->setValue(ResultPtr());
 222
 223   bool anIsEqualPreviewAndSelected = aPreviewObject == aBaseObject;
 224
 225   /// points of trim
 226   std::shared_ptr<GeomAPI_Pnt> aStartShapePoint, aLastShapePoint;
 227 #ifdef DEBUG_TRIM
 228   std::cout << " Base Feature: " << aBaseFeature->data()->name() << std::endl;
 229 #endif
 230   findShapePoints(SELECTED_OBJECT(), SELECTED_POINT(), aStartShapePoint, aLastShapePoint);
 231
 232   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint2d = convertPoint(aStartShapePoint);
 233   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint2d = convertPoint(aLastShapePoint);
 234
 235   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
 236   getConstraints(aFeaturesToDelete, aFeaturesToUpdate);
 237
 238   std::map<AttributePtr, std::list<AttributePtr> > aBaseRefAttributes;
 239   std::list<AttributePtr> aRefsToFeature;
 240   getRefAttributes(aBaseFeature, aBaseRefAttributes, aRefsToFeature);
 241 #ifdef DEBUG_TRIM
 242   std::cout << "---- getRefAttributes ----" << std::endl;
 243   std::map<AttributePtr, std::list<AttributePtr> >::const_iterator
 244     aRefIt = aBaseRefAttributes.begin(), aRefLast = aBaseRefAttributes.end();
 245   std::cout << std::endl << "References to attributes of base feature [" <<
 246     aBaseRefAttributes.size() << "]" << std::endl;
 247   for (; aRefIt != aRefLast; aRefIt++) {
 248     AttributePtr aBaseAttr = aRefIt->first;
 249     std::list<AttributePtr> aRefAttributes = aRefIt->second;
 250     std::string aRefsInfo;
 251     std::list<AttributePtr>::const_iterator aRefAttrIt = aRefAttributes.begin(),
 252                                             aRefAttrLast = aRefAttributes.end();
 253     for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 254       if (!aRefsInfo.empty())
 255         aRefsInfo.append(",");
 256       AttributePtr aRAttr = *aRefAttrIt;
 257       aRefsInfo.append(aRAttr->id());
 258       FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 259       aRefsInfo.append("(" + aRFeature->name() + ") ");
 260     }
 261     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr =
 262       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseAttr);
 263     std::cout << aPointAttr->id().c_str() <<
 264       ": " << "[" << aRefAttributes.size() << "] " << aRefsInfo << std::endl;
 265   }
 266   std::cout << std::endl;
 267   std::cout << std::endl << "References to base feature [" <<
 268     aRefsToFeature.size() << "]" << std::endl;
 269   std::list<AttributePtr>::const_iterator aRefAttrIt = aRefsToFeature.begin(),
 270                                           aRefAttrLast = aRefsToFeature.end();
 271   std::string aRefsInfo;
 272   for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 273     if (!aRefsInfo.empty())
 274       aRefsInfo.append(",");
 275     AttributePtr aRAttr = *aRefAttrIt;
 276     aRefsInfo.append(aRAttr->id());
 277     FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 278     aRefsInfo.append("(" + aRFeature->name() + ") ");
 279   }
 280   std::cout << "[" << aRefsToFeature.size() << "] " << aRefsInfo << std::endl;
 281   std::cout << "---- getRefAttributes:end ----" << std::endl;
 282 #endif
 283   // coincidence to result points
 284   // find coincidences to the base object, it should be used when attribute is found
 285   // in myObjectToPoints
 286   //std::map<AttributePtr, FeaturePtr> aCoincidencesToBaseFeature;
 287   //getCoincidencesToObject(aBaseObject, aCoincidencesToBaseFeature);
 288
 289   std::set<AttributePoint2DPtr> aFurtherCoincidences;
 290   std::set<std::pair<AttributePtr, AttributePtr>> aModifiedAttributes;
 291   const std::string& aKind = aBaseFeature->getKind();
 292   FeaturePtr aReplacingFeature, aNewFeature;
 293   if (aKind == SketchPlugin_Circle::ID()) {
 294     aReplacingFeature = trimCircle(aStartShapePoint2d, aLastShapePoint2d,
 295                aFurtherCoincidences, aModifiedAttributes);
 296
 297     aFeaturesToDelete.insert(aBaseFeature);
 298     // as circle is removed, erase it from dependencies(arguments) of this feature
 299     // otherwise Trim feature will be removed with the circle before
 300     // this operation is finished
 301     aBaseObjectAttr->setObject(ResultPtr());
 302   }
 303   else if (aKind == SketchPlugin_Line::ID()) {
 304     aNewFeature = trimLine(aStartShapePoint2d, aLastShapePoint2d, aBaseRefAttributes,
 305                            aFurtherCoincidences, aModifiedAttributes);
 306   }
 307   else if (aKind == SketchPlugin_Arc::ID()) {
 308     aNewFeature = trimArc(aStartShapePoint2d, aLastShapePoint2d, aBaseRefAttributes,
 309                           aFurtherCoincidences, aModifiedAttributes);
 310   }
 311
 312   // constraints to end points of trim feature
 313   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 314     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 315
 316   // create coincidence to objects, intersected the base object
 317   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 318   for (std::set<AttributePoint2DPtr>::const_iterator anIt = aFurtherCoincidences.begin(),
 319                                                      aLast = aFurtherCoincidences.end();
 320        anIt != aLast; anIt++) {
 321     AttributePoint2DPtr aPointAttribute = (*anIt);
 322     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 323
 324 #ifdef DEBUG_TRIM
 325     std::cout << "<compare Points> => " << std::endl
 326             << "aPoint2d: [" << aPoint2d->x() << ", " << aPoint2d->y() << "]" << std::endl;
 327     if (aStartShapePoint2d.get())
 328       std::cout << "Start Point: [" << aStartShapePoint2d->x() << ", " << aStartShapePoint2d->y()
 329                 << "]" << std::endl;
 330     if (aLastShapePoint2d.get())
 331       std::cout << "Last Point: [" << aLastShapePoint2d->x() << ", " << aLastShapePoint2d->y()
 332                 << "]" << std::endl;
 333 #endif
 334
 335     std::shared_ptr<GeomAPI_Pnt> aPoint;
 336     if (aStartShapePoint2d.get() && aPoint2d->isEqual(aStartShapePoint2d))
 337       aPoint = aStartShapePoint;
 338     else if (aLastShapePoint2d.get() && aPoint2d->isEqual(aLastShapePoint2d))
 339       aPoint = aLastShapePoint;
 340
 341     if (!aPoint.get())
 342       continue;
 343
 344     std::pair<std::list<AttributePoint2DPtr >, std::list<ObjectPtr > > anInfo;
 345     for (PointToRefsMap::const_iterator aRefIt = aRefsMap.begin(); aRefIt != aRefsMap.end();
 346          aRefIt++)
 347     {
 348       if (aRefIt->first->isEqual(aPoint)) {
 349         anInfo = aRefIt->second;
 350         break;
 351       }
 352     }
 353     const std::list<ObjectPtr>& anObjects = anInfo.second;
 354     for (std::list<ObjectPtr>::const_iterator anObjectIt = anObjects.begin();
 355       anObjectIt != anObjects.end(); anObjectIt++) {
 356       createConstraintToObject(SketchPlugin_ConstraintCoincidence::ID(), aPointAttribute,
 357                                *anObjectIt);
 358     }
 359   }
 360
 361   // move constraints from base feature to replacing feature: ignore coincidences to feature
 362   // if attributes of coincidence participated in split
 363   ResultPtr aReplacingResult;
 364   if (aReplacingFeature.get()) {
 365     aReplacingFeature->execute(); // need it to obtain result
 366     aReplacingResult = getFeatureResult(aReplacingFeature);
 367   }
 368   for(std::list<AttributePtr>::const_iterator anIt = aRefsToFeature.begin(),
 369                                           aLast = aRefsToFeature.end();
 370       anIt != aLast; anIt++) {
 371     AttributePtr anAttribute = *anIt;
 372
 373     //if (replaceCoincidenceAttribute(anAttribute, aModifiedAttributes))
 374     //  continue;
 375
 376     if (setCoincidenceToAttribute(anAttribute, aFurtherCoincidences))
 377       continue;
 378
 379     if (aReplacingResult.get()) {
 380       AttributeRefAttrPtr aRefAttr =
 381           std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttribute);
 382       if (aRefAttr.get())
 383         aRefAttr->setObject(aReplacingResult);
 384       else {
 385         AttributeReferencePtr aReferenceAttr =
 386                              std::dynamic_pointer_cast<ModelAPI_AttributeReference>(anAttribute);
 387         if (aReferenceAttr.get())
 388           aReferenceAttr->setObject(aReplacingResult);
 389       }
 390     }
 391   }
 392
 393   updateRefAttConstraints(aBaseRefAttributes, aModifiedAttributes, aFeaturesToDelete);
 394
 395   // Wait all constraints being created, then send update events
 396   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 397   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
 398   if (isUpdateFlushed)
 399     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
 400
 401   // delete constraints
 402 #ifdef DEBUG_TRIM
 403   if (aFeaturesToDelete.size() > 0) {
 404     std::cout << "after SPlit: removeFeaturesAndReferences: " << std::endl;
 405     std::string aValue;
 406     for (std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin();
 407          anIt != aFeaturesToDelete.end(); anIt++) {
 408       FeaturePtr aFeature = *anIt;
 409       std::cout << aFeature->data()->name() << std::endl;
 410     }
 411   }
 412 #endif
 413   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 414   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 415
 416   updateFeaturesAfterTrim(aFeaturesToUpdate);
 417
 418   // Send events to update the sub-features by the solver.
 419   if(isUpdateFlushed) {
 420     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 421   }
 422
 423   if (anIsEqualPreviewAndSelected) {
 424     // equal preview and selected objects
 425     // nothing to do if the preview and selected objects are different
 426     if (aReplacingResult.get()) { // base object was removed
 427       aPreviewObject = aReplacingResult;
 428       //aMessage->setSelectedObject(aReplacingResult);
 429 #ifdef DEBUG_TRIM_METHODS
 430       if (!aSelectedShape.get())
 431         std::cout << "Set empty selected object" << std::endl;
 432       else
 433         std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 434 #endif
 435     }
 436     else {
 437       aPreviewObject = ObjectPtr();
 438
 439       aBaseFeature->execute(); // should recompute shapes of result to do not check obsolete one
 440       aBaseObject = getFeatureResult(aBaseFeature);
 441       std::shared_ptr<GeomAPI_Pnt> aPreviewPnt = sketch()->to3D(aPreviewPnt2d->x(),
 442                                                                 aPreviewPnt2d->y());
 443       ResultPtr aBaseResult = std::dynamic_pointer_cast<ModelAPI_Result>(aBaseObject);
 444       if (aBaseResult) {
 445         GeomShapePtr aShape = aBaseResult->shape();
 446         std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 447         if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 448           aPreviewObject = aBaseResult;
 449       }
 450       if (!aPreviewObject.get() && aNewFeature.get()) {
 451         ResultPtr aNewFeatureResult = getFeatureResult(aNewFeature);
 452         if (aNewFeatureResult.get()) {
 453           GeomShapePtr aShape = aNewFeatureResult->shape();
 454           std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 455           if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 456             aPreviewObject = aNewFeatureResult;
 457         }
 458       }
 459     }
 460   }
 461   if (aPreviewObject.get()) {
 462     std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
 463       <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(
 464                                            ModelAPI_EventReentrantMessage::eventId(), this));
 465     aMessage->setSelectedObject(aPreviewObject);
 466     Events_Loop::loop()->send(aMessage);
 467   }
 468 #ifdef DEBUG_TRIM
 469   std::cout << "SketchPlugin_Trim::done" << std::endl;
 470 #endif
 471 }
 472
 473 std::string SketchPlugin_Trim::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 474 {
 475 #ifdef DEBUG_TRIM_METHODS
 476   std::cout << "SketchPlugin_Trim::processEvent:" << data()->name() << std::endl;
 477 #endif
 478   std::string aFilledAttributeName;
 479
 480   std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage =
 481         std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
 482   if (aMessage.get()) {
 483     ObjectPtr anObject = aMessage->selectedObject();
 484     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aMessage->clickedPoint();
 485
 486     if (anObject.get() && aPoint.get()) {
 487       if (myCashedShapes.find(anObject) == myCashedShapes.end())
 488         fillObjectShapes(anObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 489       const std::set<GeomShapePtr>& aShapes = myCashedShapes[anObject];
 490       if (aShapes.size() > 1) {
 491         std::shared_ptr<ModelAPI_AttributeReference> aRefSelectedAttr =
 492                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 493                               data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 494         std::shared_ptr<ModelAPI_AttributeReference> aRefPreviewAttr =
 495                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 496                               data()->attribute(SketchPlugin_Trim::PREVIEW_OBJECT()));
 497         aRefSelectedAttr->setValue(anObject);
 498         aRefPreviewAttr->setValue(anObject);
 499
 500         std::shared_ptr<GeomDataAPI_Point2D> aPointSelectedAttr =
 501                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 502                               data()->attribute(SketchPlugin_Trim::SELECTED_POINT()));
 503         std::shared_ptr<GeomDataAPI_Point2D> aPointPreviewAttr =
 504                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 505                               data()->attribute(SketchPlugin_Trim::PREVIEW_POINT()));
 506         aPointSelectedAttr->setValue(aPoint);
 507         aPointPreviewAttr->setValue(aPoint);
 508
 509         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 510
 511         GeomShapePtr aSelectedShape = getSubShape(SELECTED_OBJECT(), SELECTED_POINT());
 512   #ifdef DEBUG_TRIM_METHODS
 513         if (!aSelectedShape.get())
 514           std::cout << "Set empty selected object" << std::endl;
 515         else
 516           std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 517   #endif
 518         aFilledAttributeName = SketchPlugin_Trim::SELECTED_OBJECT();
 519       }
 520     }
 521   }
 522   return aFilledAttributeName;
 523 }
 524
 525 bool SketchPlugin_Trim::setCoincidenceToAttribute(const AttributePtr& theAttribute,
 526                                 const std::set<AttributePoint2DPtr>& theFurtherCoincidences)
 527 {
 528   FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
 529   if (aFeature->getKind() != SketchPlugin_ConstraintCoincidence::ID())
 530     return false;
 531
 532   AttributePoint2DPtr aRefPointAttr = SketchPlugin_ConstraintCoincidence::getPoint(aFeature);
 533   if (!aRefPointAttr.get())
 534     return false;
 535   std::shared_ptr<GeomAPI_Pnt2d> aRefPnt2d = aRefPointAttr->pnt();
 536
 537   std::set<AttributePoint2DPtr>::const_iterator anIt = theFurtherCoincidences.begin(),
 538                                                 aLast = theFurtherCoincidences.end();
 539   bool aFoundPoint = false;
 540   for (; anIt != aLast && !aFoundPoint; anIt++) {
 541     AttributePoint2DPtr aPointAttribute = (*anIt);
 542     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 543     if (aPoint2d->isEqual(aRefPnt2d)) {
 544       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 545                                                                            theAttribute);
 546       if (aRefAttr.get()) {
 547         aRefAttr->setAttr(aPointAttribute);
 548         aFoundPoint = true;
 549       }
 550     }
 551   }
 552   return aFoundPoint;
 553 }
 554
 555 bool SketchPlugin_Trim::replaceCoincidenceAttribute(const AttributePtr& theCoincidenceAttribute,
 556                    const std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 557 {
 558   FeaturePtr aCoincidenceFeature = ModelAPI_Feature::feature(theCoincidenceAttribute->owner());
 559   if (aCoincidenceFeature->getKind() != SketchPlugin_ConstraintCoincidence::ID())
 560     return false;
 561
 562   AttributeRefAttrPtr aCAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 563                          aCoincidenceFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
 564   AttributeRefAttrPtr aCAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 565                          aCoincidenceFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
 566   AttributePtr aCAttrRefA = aCAttrA->attr();
 567   AttributePtr aCAttrRefB = aCAttrB->attr();
 568
 569   bool isProcessed = false;
 570   for (std::set<std::pair<AttributePtr, AttributePtr>>::const_iterator
 571        anIt = theModifiedAttributes.begin(); anIt != theModifiedAttributes.end(); anIt++) {
 572     AttributePtr anAttributeBefore = anIt->first;
 573     if (anAttributeBefore == aCAttrRefA) {
 574       aCAttrA->setAttr(anIt->second);
 575       isProcessed = true;
 576     }
 577     if (anAttributeBefore == aCAttrRefB) {
 578       aCAttrB->setAttr(anIt->second);
 579       isProcessed = true;
 580     }
 581   }
 582   return isProcessed;
 583 }
 584
 585 AISObjectPtr SketchPlugin_Trim::getAISObject(AISObjectPtr thePrevious)
 586 {
 587 #ifdef DEBUG_TRIM_METHODS
 588   std::cout << "SketchPlugin_Trim::getAISObject: " << data()->name() << std::endl;
 589 #endif
 590
 591   AISObjectPtr anAIS = thePrevious;
 592
 593   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 594   GeomShapePtr aPreviewShape = getSubShape(PREVIEW_OBJECT(), PREVIEW_POINT());
 595   if (aPreviewShape.get())
 596     aShapes.push_back(aPreviewShape);
 597   GeomShapePtr aSelectedShape = getSubShape(SELECTED_OBJECT(), SELECTED_POINT());
 598   if (aSelectedShape.get())
 599     aShapes.push_back(aSelectedShape);
 600
 601   if (aShapes.empty())
 602     return AISObjectPtr();
 603
 604   GeomShapePtr aBaseShape = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 605   if (!aBaseShape.get())
 606     return AISObjectPtr();
 607
 608   if (aBaseShape.get()) {
 609     if (!anAIS)
 610       anAIS = AISObjectPtr(new GeomAPI_AISObject);
 611     anAIS->createShape(aBaseShape);
 612
 613     std::vector<int> aColor;
 614     aColor = Config_PropManager::color("Visualization", "operation_remove_feature_color");
 615     double aWidth = SketchPlugin_SketchEntity::SKETCH_LINE_WIDTH();
 616     int aLineStyle = SketchPlugin_SketchEntity::SKETCH_LINE_STYLE();
 617     anAIS->setColor(aColor[0], aColor[1], aColor[2]);
 618     // width when there is not base object should be extened in several points
 619     // in order to see this preview over highlight
 620     anAIS->setWidth(aWidth+4);
 621     anAIS->setLineStyle(aLineStyle);
 622   }
 623   else
 624     anAIS = AISObjectPtr();
 625
 626   return anAIS;
 627 }
 628
 629 GeomShapePtr SketchPlugin_Trim::getSubShape(const std::string& theObjectAttributeId,
 630                                             const std::string& thePointAttributeId)
 631 {
 632   GeomShapePtr aBaseShape;
 633
 634   AttributeReferencePtr anObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 635                                                        data()->attribute(theObjectAttributeId));
 636   ObjectPtr aBaseObject = anObjectAttr->value();
 637   if (!aBaseObject.get())
 638     return aBaseShape;
 639
 640   // point on feature
 641   AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 642                                            data()->attribute(thePointAttributeId));
 643   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPointAttr->pnt();
 644   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 645                                                                anAttributePnt2d->y());
 646
 647   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 648     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 649
 650   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 651   if (!aShapes.empty()) {
 652     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 653     for (; anIt != aLast; anIt++) {
 654       GeomShapePtr aShape = *anIt;
 655       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 656       if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, anAttributePnt, aProjectedPoint))
 657         aBaseShape = aShape;
 658     }
 659   }
 660   return aBaseShape;
 661 }
 662
 663 void SketchPlugin_Trim::getFeaturePoints(const FeaturePtr& theFeature,
 664                                          AttributePoint2DPtr& theStartPointAttr,
 665                                          AttributePoint2DPtr& theEndPointAttr)
 666 {
 667   std::string aFeatureKind = theFeature->getKind();
 668   std::string aStartAttributeName, anEndAttributeName;
 669   if (aFeatureKind == SketchPlugin_Line::ID()) {
 670     aStartAttributeName = SketchPlugin_Line::START_ID();
 671     anEndAttributeName = SketchPlugin_Line::END_ID();
 672   }
 673   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 674     aStartAttributeName = SketchPlugin_Arc::START_ID();
 675     anEndAttributeName = SketchPlugin_Arc::END_ID();
 676   }
 677   if (!aStartAttributeName.empty() && !anEndAttributeName.empty()) {
 678     theStartPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 679                                          theFeature->attribute(aStartAttributeName));
 680     theEndPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 681                                          theFeature->attribute(anEndAttributeName));
 682   }
 683 }
 684
 685 void SketchPlugin_Trim::getConstraints(std::set<FeaturePtr>& theFeaturesToDelete,
 686                                        std::set<FeaturePtr>& theFeaturesToUpdate)
 687 {
 688   std::shared_ptr<ModelAPI_Data> aData = data();
 689
 690   // Check the base objects are initialized.
 691   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 692                                          aData->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 693   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 694   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
 695
 696   std::set<AttributePtr> aRefsList = aBaseFeatureResult->data()->refsToMe();
 697   std::set<AttributePtr> aFRefsList = aBaseFeature->data()->refsToMe();
 698   aRefsList.insert(aFRefsList.begin(), aFRefsList.end());
 699
 700   std::set<AttributePtr>::const_iterator aIt;
 701   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 702     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 703     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 704     std::string aRefFeatureKind = aRefFeature->getKind();
 705     if (aRefFeatureKind == SketchPlugin_ConstraintMirror::ID() ||
 706         aRefFeatureKind == SketchPlugin_MultiRotation::ID() ||
 707         aRefFeatureKind == SketchPlugin_MultiTranslation::ID() ||
 708         aRefFeatureKind == SketchPlugin_ConstraintMiddle::ID())
 709       theFeaturesToDelete.insert(aRefFeature);
 710     else if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID())
 711       theFeaturesToUpdate.insert(aRefFeature);
 712   }
 713 }
 714
 715 void SketchPlugin_Trim::getRefAttributes(const FeaturePtr& theFeature,
 716                                     std::map<AttributePtr, std::list<AttributePtr> >& theRefs,
 717                                     std::list<AttributePtr>& theRefsToFeature)
 718 {
 719   theRefs.clear();
 720
 721   std::list<AttributePtr> aPointAttributes =
 722     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 723   std::set<AttributePtr> aPointAttributesSet;
 724
 725   std::list<AttributePtr>::const_iterator aPIt =
 726     aPointAttributes.begin(), aPLast = aPointAttributes.end();
 727   for (; aPIt != aPLast; aPIt++)
 728     aPointAttributesSet.insert(*aPIt);
 729
 730   std::set<AttributePtr> aRefsAttributes = getFeatureResult(theFeature)->data()->refsToMe();
 731   std::set<AttributePtr> aFRefsList = theFeature->data()->refsToMe();
 732   aRefsAttributes.insert(aFRefsList.begin(), aFRefsList.end());
 733
 734   std::set<AttributePtr>::const_iterator aIt;
 735   for (aIt = aRefsAttributes.cbegin(); aIt != aRefsAttributes.cend(); ++aIt) {
 736     AttributePtr anAttr = (*aIt);
 737     FeaturePtr anAttrFeature = ModelAPI_Feature::feature(anAttr->owner());
 738     if (anAttrFeature.get() != this &&
 739         anAttr.get() && anAttr->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
 740       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
 741       if (!aRefAttr->isObject()) { /// find attributes referenced to feature point attributes
 742         AttributePtr anAttrInRef = aRefAttr->attr();
 743         if (anAttrInRef.get() &&
 744             aPointAttributesSet.find(anAttrInRef) != aPointAttributesSet.end()) {
 745           if (theRefs.find(anAttrInRef) != theRefs.end())
 746             theRefs[anAttrInRef].push_back(aRefAttr);
 747           else {
 748             std::list<AttributePtr> anAttrList;
 749             anAttrList.push_back(aRefAttr);
 750             theRefs[anAttrInRef] = anAttrList;
 751           }
 752         }
 753       }
 754       else { /// find attributes referenced to feature itself
 755         theRefsToFeature.push_back(anAttr);
 756       }
 757     }
 758   }
 759 }
 760
 761 /*void SketchPlugin_Trim::getCoincidencesToObject(const ObjectPtr& theObject,
 762                    std::map<AttributePtr, FeaturePtr>& theCoincidencesToBaseFeature)
 763 {
 764   const std::set<AttributePtr>& aRefsList = theObject->data()->refsToMe();
 765   std::set<AttributePtr>::const_iterator aIt;
 766   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 767     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 768     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 769     if (aRefFeature->getKind() != SketchPlugin_ConstraintCoincidence::ID())
 770       continue;
 771     AttributePtr anAttribute;
 772     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 773                                   (aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
 774     if (aRefAttr->isObject() && aRefAttr->object() == theObject)
 775     {
 776       anAttribute = aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_B());
 777     }
 778     else {
 779       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 780                                     (aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
 781       if (aRefAttr->isObject() && aRefAttr->object() == theObject)
 782         anAttribute = aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_A());
 783     }
 784     if (!anAttribute.get())
 785       continue;
 786
 787     aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttribute);
 788     if (aRefAttr->isObject())
 789       continue; // one of attributes of coincidence contains link to an attribute
 790
 791     anAttribute = aRefAttr->attr();
 792     if (anAttribute.get())
 793     {
 794       theCoincidencesToBaseFeature[anAttribute] = aRefFeature;
 795     }
 796   }
 797 }*/
 798
 799 void SketchPlugin_Trim::updateRefAttConstraints(
 800                     const std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 801                     const std::set<std::pair<AttributePtr, AttributePtr> >& theModifiedAttributes,
 802                     std::set<FeaturePtr>& theFeaturesToDelete)
 803 {
 804 #ifdef DEBUG_TRIM
 805   std::cout << "SketchPlugin_Trim::updateRefAttConstraints" << std::endl;
 806 #endif
 807
 808   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 809     anIt = theModifiedAttributes.begin(),  aLast = theModifiedAttributes.end();
 810   for (; anIt != aLast; anIt++) {
 811     AttributePtr anAttribute = anIt->first;
 812
 813     /// not found in references
 814     if (theBaseRefAttributes.find(anAttribute) == theBaseRefAttributes.end())
 815       continue;
 816     std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(anAttribute);
 817     std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 818                                             aRLast = aRefAttributes.end();
 819
 820     AttributePtr aNewAttribute = anIt->second;
 821     if (aNewAttribute.get()) {
 822       for (; aRefIt != aRLast; aRefIt++) {
 823         AttributeRefAttrPtr aRefAttr =
 824                         std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 825         if (aRefAttr.get()) {
 826             aRefAttr->setAttr(aNewAttribute);
 827         }
 828       }
 829     }
 830   }
 831 }
 832
 833 void SketchPlugin_Trim::removeReferencesToAttribute(const AttributePtr& theAttribute,
 834                   std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes)
 835 {
 836   /// not found in references
 837   if (theBaseRefAttributes.find(theAttribute) == theBaseRefAttributes.end())
 838     return;
 839
 840   std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(theAttribute);
 841   std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 842                                           aRLast = aRefAttributes.end();
 843
 844   std::set<FeaturePtr> aFeaturesToDelete;
 845   for (; aRefIt != aRLast; aRefIt++) {
 846     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 847     if (aRefAttr.get()) {
 848       aFeaturesToDelete.insert(ModelAPI_Feature::feature(aRefAttr->owner()));
 849     }
 850   }
 851
 852 #ifdef DEBUG_TRIM
 853   // delete constraints
 854   if (aFeaturesToDelete.size() > 0) {
 855     std::cout << "removeReferencesToAttribute: " << std::endl;
 856     std::string aValue;
 857     for (std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin();
 858          anIt != aFeaturesToDelete.end(); anIt++) {
 859       FeaturePtr aFeature = *anIt;
 860       std::cout << aFeature->data()->name() << std::endl;
 861     }
 862   }
 863 #endif
 864   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 865   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 866 }
 867
 868 void SketchPlugin_Trim::updateFeaturesAfterTrim(const std::set<FeaturePtr>& theFeaturesToUpdate)
 869 {
 870   std::set<FeaturePtr>::const_iterator anIt = theFeaturesToUpdate.begin(),
 871                                        aLast = theFeaturesToUpdate.end();
 872   for (; anIt != aLast; anIt++) {
 873     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 874     std::string aRefFeatureKind = aRefFeature->getKind();
 875     if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID()) {
 876       std::shared_ptr<SketchPlugin_ConstraintLength> aLenghtFeature =
 877                               std::dynamic_pointer_cast<SketchPlugin_ConstraintLength>(*anIt);
 878       if (aLenghtFeature.get()) {
 879         std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
 880             ModelAPI_AttributeDouble>(aLenghtFeature->attribute(SketchPlugin_Constraint::VALUE()));
 881         double aValue;
 882         if (aLenghtFeature->computeLenghtValue(aValue) && aValueAttr.get())
 883           aValueAttr->setValue(aValue);
 884       }
 885     }
 886   }
 887 }
 888
 889 FeaturePtr SketchPlugin_Trim::trimLine(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 890                   const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 891                   std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 892                   std::set<AttributePoint2DPtr>& thePoints,
 893                   std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 894 {
 895   FeaturePtr anNewFeature;
 896
 897   // Check the base objects are initialized.
 898   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 899                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 900   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 901   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 902
 903   /// points of trim
 904   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 905   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 906
 907   std::shared_ptr<GeomAPI_Pnt2d> aStartFeaturePoint = aStartPointAttrOfBase->pnt();
 908   std::shared_ptr<GeomAPI_Pnt2d> aLastFeaturePoint = anEndPointAttrOfBase->pnt();
 909
 910   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 911   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 912   arrangePointsOnLine(aStartPointAttrOfBase, anEndPointAttrOfBase,
 913                       aStartShapePoint, aLastShapePoint);
 914 #ifdef DEBUG_TRIM
 915   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 916   if (aStartShapePoint.get())
 917     std::cout << "Start point: [" << aStartShapePoint->x() << ", " <<
 918                                        aStartShapePoint->y() << "]" << std::endl;
 919   std::cout << "1st point:   [" << aStartFeaturePoint->x() << ", " <<
 920                                    aStartFeaturePoint->y() << "]" << std::endl;
 921   if (aLastShapePoint.get())
 922     std::cout << "2st point:   [" << aLastShapePoint->x() << ", " <<
 923                                      aLastShapePoint->y() << "]" << std::endl;
 924   std::cout << "End point:   [" << aLastFeaturePoint->x() << ", " <<
 925                                    aLastFeaturePoint->y() << "]" << std::endl;
 926 #endif
 927
 928   bool isStartPoint = !aStartShapePoint.get() || aStartFeaturePoint->isEqual(aStartShapePoint);
 929   bool isLastPoint = !aLastShapePoint.get() || aLastFeaturePoint->isEqual(aLastShapePoint);
 930   if (isStartPoint || isLastPoint) {
 931     // result is one line: changed existing line
 932     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Line::START_ID()
 933                                                   : SketchPlugin_Line::END_ID();
 934     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 935     if (aStartShapePoint.get() && aLastShapePoint.get())
 936       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
 937     else
 938       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
 939
 940     // it is important to delete references before the feature modification because
 941     // if deletion will be after the feature modification, solver returns the feature back
 942     removeReferencesToAttribute(aBaseFeature->attribute(aModifiedAttribute),
 943                                 theBaseRefAttributes);
 944
 945     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
 946     //theModifiedAttributes.insert(
 947     //  std::make_pair(aBaseFeature->attribute(aModifiedAttribute), AttributePtr()));
 948
 949     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 950                                (aBaseFeature->attribute(aModifiedAttribute)));
 951   }
 952   else {
 953     // result is two lines: start line point - start shape point,
 954     // last shape point - last line point
 955     // create second line
 956     anNewFeature = createLineFeature(aBaseFeature, aLastShapePoint, aLastFeaturePoint);
 957     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 958                                (anNewFeature->attribute(SketchPlugin_Line::START_ID())));
 959
 960     std::string aModifiedAttribute = SketchPlugin_Line::END_ID();
 961     theModifiedAttributes.insert(
 962       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
 963                                    anNewFeature->attribute(SketchPlugin_Line::END_ID())));
 964
 965     // modify base arc
 966     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
 967
 968     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 969                                (aBaseFeature->attribute(aModifiedAttribute)));
 970
 971     // Collinear constraint for lines
 972     createConstraintForObjects(SketchPlugin_ConstraintCollinear::ID(),
 973                                getFeatureResult(aBaseFeature),
 974                                getFeatureResult(anNewFeature));
 975
 976   }
 977   return anNewFeature;
 978 }
 979
 980 FeaturePtr SketchPlugin_Trim::trimArc(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 981                  const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 982                  std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 983                  std::set<AttributePoint2DPtr>& thePoints,
 984                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 985 {
 986   FeaturePtr anNewFeature;
 987   // Check the base objects are initialized.
 988   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 989                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 990   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 991   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 992
 993   /// points of trim
 994   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 995   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 996
 997   std::shared_ptr<GeomAPI_Pnt2d> aStartArcPoint = aStartPointAttrOfBase->pnt();
 998   std::shared_ptr<GeomAPI_Pnt2d> aLastArcPoint = anEndPointAttrOfBase->pnt();
 999
1000   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
1001   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
1002   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
1003                      aStartShapePoint, aLastShapePoint);
1004 #ifdef DEBUG_TRIM
1005   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
1006   if (aStartShapePoint.get())
1007     std::cout << "Start shape point: [" << aStartShapePoint->x() << ", " <<
1008                                        aStartShapePoint->y() << "]" << std::endl;
1009   std::cout << "Start arc attribute point:   [" << aStartArcPoint->x() << ", " <<
1010                                    aStartArcPoint->y() << "]" << std::endl;
1011   if (aLastShapePoint.get())
1012     std::cout << "Last shape point:   [" << aLastShapePoint->x() << ", " <<
1013                                      aLastShapePoint->y() << "]" << std::endl;
1014   std::cout << "Last arc attribute point:   [" << aLastArcPoint->x() << ", " <<
1015                                    aLastArcPoint->y() << "]" << std::endl;
1016 #endif
1017
1018   bool isStartPoint = !aStartShapePoint.get() || aStartArcPoint->isEqual(aStartShapePoint);
1019   bool isLastPoint = !aLastShapePoint.get() || aLastArcPoint->isEqual(aLastShapePoint);
1020   if (isStartPoint || isLastPoint) {
1021     // result is one arc: changed existing arc
1022     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Arc::START_ID()
1023                                                   : SketchPlugin_Arc::END_ID();
1024     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
1025     if (aStartShapePoint.get() && aLastShapePoint.get())
1026       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
1027     else
1028       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
1029
1030     removeReferencesToAttribute(aBaseFeature->attribute(aModifiedAttribute),
1031                                 theBaseRefAttributes);
1032
1033     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
1034
1035     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1036                                (aBaseFeature->attribute(aModifiedAttribute)));
1037   }
1038   else {
1039     // result is two arcs: start arc point - start shape point, last shape point - last arc point
1040     // create second arc
1041     anNewFeature = createArcFeature(aBaseFeature, aLastShapePoint, aLastArcPoint);
1042     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1043                                (anNewFeature->attribute(SketchPlugin_Arc::START_ID())));
1044
1045     std::string aModifiedAttribute = SketchPlugin_Arc::END_ID();
1046     theModifiedAttributes.insert(
1047       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
1048                                    anNewFeature->attribute(SketchPlugin_Arc::END_ID())));
1049
1050     // modify base arc
1051     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
1052
1053     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1054                                (aBaseFeature->attribute(aModifiedAttribute)));
1055
1056     // equal Radius constraint for arcs
1057     createConstraintForObjects(SketchPlugin_ConstraintEqual::ID(),
1058                                getFeatureResult(aBaseFeature),
1059                                getFeatureResult(anNewFeature));
1060     // coincident centers constraint
1061     createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
1062                      aBaseFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1063                      anNewFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
1064
1065 #ifdef DEBUG_TRIM
1066     std::cout << "Created arc on points:" << std::endl;
1067     std::cout << "Start shape point: [" << aStartShapePoint->x() << ", " <<
1068                                            aStartShapePoint->y() << "]" << std::endl;
1069 #endif
1070   }
1071   return anNewFeature;
1072 }
1073
1074 FeaturePtr SketchPlugin_Trim::trimCircle(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
1075                                    const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
1076                                    std::set<AttributePoint2DPtr>& thePoints,
1077                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
1078 {
1079   // Check the base objects are initialized.
1080   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1081                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
1082   ObjectPtr aBaseObject = aBaseObjectAttr->value();
1083   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1084
1085   /// points of trim
1086   //AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
1087   //getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
1088
1089   /// trim feature
1090   FeaturePtr anNewFeature = createArcFeature(aBaseFeature, theStartShapePoint, theLastShapePoint);
1091   // arc created by trim of circle is always correct, that means that it is not inversed
1092   anNewFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(false);
1093
1094   theModifiedAttributes.insert(
1095     std::make_pair(aBaseFeature->attribute(SketchPlugin_Circle::CENTER_ID()),
1096                    anNewFeature->attribute(SketchPlugin_Arc::CENTER_ID())));
1097
1098   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1099                              (anNewFeature->attribute(SketchPlugin_Arc::START_ID())));
1100   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1101                              (anNewFeature->attribute(SketchPlugin_Arc::END_ID())));
1102
1103   return anNewFeature;
1104 }
1105
1106 void SketchPlugin_Trim::arrangePointsOnLine(const AttributePoint2DPtr& theStartPointAttr,
1107                                             const AttributePoint2DPtr& theEndPointAttr,
1108                                             std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1109                                             std::shared_ptr<GeomAPI_Pnt2d>& theLastPoint) const
1110 {
1111   if (!theFirstPoint.get() || !theLastPoint.get())
1112     return;
1113
1114   // if first point is closer to last point, swap first and last values
1115   if (theStartPointAttr->pnt()->distance(theFirstPoint) >
1116       theStartPointAttr->pnt()->distance(theLastPoint)) {
1117     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
1118     theFirstPoint = theLastPoint;
1119     theLastPoint = aTmpPoint;
1120   }
1121 }
1122
1123 void SketchPlugin_Trim::arrangePointsOnArc(const FeaturePtr& theArc,
1124                                   const AttributePoint2DPtr& theStartPointAttr,
1125                                   const AttributePoint2DPtr& theEndPointAttr,
1126                                   std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1127                                   std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint) const
1128 {
1129   if (!theFirstPoint.get() || !theSecondPoint.get())
1130     return;
1131
1132   static const double anAngleTol = 1.e-12;
1133
1134   std::shared_ptr<GeomAPI_Pnt2d> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1135       theArc->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1136   bool isReversed = theArc->boolean(SketchPlugin_Arc::REVERSED_ID())->value();
1137
1138   // collect directions to each point
1139   std::shared_ptr<GeomAPI_Dir2d> aStartDir(
1140       new GeomAPI_Dir2d(theStartPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1141   std::shared_ptr<GeomAPI_Dir2d> aFirstPtDir(
1142       new GeomAPI_Dir2d(theFirstPoint->xy()->decreased(aCenter->xy())));
1143   std::shared_ptr<GeomAPI_Dir2d> aSecondPtDir(
1144       new GeomAPI_Dir2d(theSecondPoint->xy()->decreased(aCenter->xy())));
1145
1146   // sort points by their angular values
1147   double aFirstPtAngle = aStartDir->angle(aFirstPtDir);
1148   double aSecondPtAngle = aStartDir->angle(aSecondPtDir);
1149   double aPeriod = isReversed ? -2.0 * PI : 2.0 * PI;
1150   if (fabs(aFirstPtAngle) > anAngleTol && isReversed == (aFirstPtAngle > 0.))
1151     aFirstPtAngle += aPeriod;
1152   if (fabs(aSecondPtAngle) > anAngleTol && isReversed == (aSecondPtAngle > 0.))
1153     aSecondPtAngle += aPeriod;
1154
1155   if (fabs(aFirstPtAngle) > fabs(aSecondPtAngle)) {
1156     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
1157     theFirstPoint = theSecondPoint;
1158     theSecondPoint = aTmpPoint;
1159   }
1160 }
1161
1162 void SketchPlugin_Trim::fillPointAttribute(const AttributePtr& theModifiedAttribute,
1163                                            const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
1164 {
1165   std::string anAttributeType = theModifiedAttribute->attributeType();
1166   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1167     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1168                                               theModifiedAttribute);
1169     aModifiedAttribute->setValue(thePoint);
1170
1171 #ifdef DEBUG_TRIM
1172     FeaturePtr aFeature = ModelAPI_Feature::feature(theModifiedAttribute->owner());
1173     std::cout << "<fillPointAttribute[" << aFeature->data()->name() << ": " <<
1174       theModifiedAttribute->id() <<
1175       "]> => Pnt2d - [" << thePoint->x() << ", " << thePoint->y() << "]" << std::endl;
1176 #endif
1177   }
1178 }
1179
1180
1181 void SketchPlugin_Trim::fillAttribute(const AttributePtr& theModifiedAttribute,
1182                                       const AttributePtr& theSourceAttribute)
1183 {
1184   std::string anAttributeType = theModifiedAttribute->attributeType();
1185   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1186     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1187                                               theModifiedAttribute);
1188     AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1189                                               theSourceAttribute);
1190
1191     if (aModifiedAttribute.get() && aSourceAttribute.get())
1192       aModifiedAttribute->setValue(aSourceAttribute->pnt());
1193   }
1194   else if (anAttributeType == ModelAPI_AttributeBoolean::typeId()) {
1195     AttributeBooleanPtr aModifiedAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1196                                               theModifiedAttribute);
1197     AttributeBooleanPtr aSourceAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1198                                               theSourceAttribute);
1199
1200     if (aModifiedAttribute.get() && aSourceAttribute.get())
1201       aModifiedAttribute->setValue(aSourceAttribute->value());
1202   }
1203   else if (anAttributeType == ModelAPI_AttributeRefAttr::typeId()) {
1204     AttributeRefAttrPtr aRefAttributeToFill = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1205                                                                              theModifiedAttribute);
1206     AttributeRefAttrPtr aSourceRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1207                                          theSourceAttribute);
1208     if (!aSourceRefAttr.get())
1209       aRefAttributeToFill->setAttr(theSourceAttribute);
1210     else {
1211       if (aSourceRefAttr->isObject())
1212         aRefAttributeToFill->setObject(aSourceRefAttr->object());
1213       else
1214         aRefAttributeToFill->setAttr(aSourceRefAttr->attr());
1215     }
1216   }
1217 }
1218
1219 FeaturePtr SketchPlugin_Trim::createLineFeature(const FeaturePtr& theBaseFeature,
1220                                         const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1221                                         const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
1222 {
1223 #ifdef DEBUG_TRIM
1224   std::cout << "---- createLineFeature ---" << std::endl;
1225 #endif
1226
1227   FeaturePtr aFeature;
1228   SketchPlugin_Sketch* aSketch = sketch();
1229   if (!aSketch || !theBaseFeature.get())
1230     return aFeature;
1231
1232   aFeature = aSketch->addFeature(SketchPlugin_Line::ID());
1233
1234   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), theFirstPoint);
1235   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::END_ID()), theSecondPoint);
1236
1237   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
1238                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
1239
1240   aFeature->execute(); // to obtain result
1241
1242 #ifdef DEBUG_TRIM
1243   std::cout << "---- createLineFeature:end ---" << std::endl;
1244 #endif
1245
1246   return aFeature;
1247 }
1248
1249 FeaturePtr SketchPlugin_Trim::createArcFeature(const FeaturePtr& theBaseFeature,
1250                                                const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1251                                                const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
1252 {
1253   FeaturePtr aFeature;
1254   SketchPlugin_Sketch* aSketch = sketch();
1255   if (!aSketch || !theBaseFeature.get())
1256     return aFeature;
1257
1258   std::string aCenterAttributeId;
1259   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID())
1260     aCenterAttributeId = SketchPlugin_Arc::CENTER_ID();
1261   else if (theBaseFeature->getKind() == SketchPlugin_Circle::ID())
1262     aCenterAttributeId = SketchPlugin_Circle::CENTER_ID();
1263
1264   if (aCenterAttributeId.empty())
1265     return aFeature;
1266
1267 #ifdef DEBUG_TRIM
1268   std::cout << "---- createArcFeature ---" << std::endl;
1269 #endif
1270
1271   aFeature = aSketch->addFeature(SketchPlugin_Arc::ID());
1272   // update fillet arc: make the arc correct for sure, so, it is not needed to process
1273   // the "attribute updated"
1274   // by arc; moreover, it may cause cyclicity in hte mechanism of updater
1275   bool aWasBlocked = aFeature->data()->blockSendAttributeUpdated(true);
1276
1277   fillAttribute(aFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1278                 theBaseFeature->attribute(aCenterAttributeId));
1279   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), theFirstPoint);
1280   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::END_ID()), theSecondPoint);
1281
1282   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
1283                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
1284
1285   /// fill referersed state of created arc as it is on the base arc
1286   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID()) {
1287     bool aReversed = theBaseFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->value();
1288     aFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(aReversed);
1289   }
1290   aFeature->execute(); // to obtain result (need to calculate arc parameters before sending Update)
1291   aFeature->data()->blockSendAttributeUpdated(aWasBlocked);
1292
1293   #ifdef DEBUG_TRIM
1294   std::cout << "---- createArcFeature:end ---" << std::endl;
1295   #endif
1296
1297   return aFeature;
1298 }
1299
1300 FeaturePtr SketchPlugin_Trim::createConstraint(const std::string& theConstraintId,
1301                                                const AttributePtr& theFirstAttribute,
1302                                                const AttributePtr& theSecondAttribute)
1303 {
1304   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
1305   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1306                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
1307   aRefAttr->setAttr(theFirstAttribute);
1308
1309   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1310                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
1311   aRefAttr->setAttr(theSecondAttribute);
1312
1313 #ifdef DEBUG_TRIM
1314   std::cout << "<createConstraint to attribute> :"
1315             << "first attribute - " << theFirstAttribute->id()
1316             << "second attribute - " << theSecondAttribute->id()
1317             << std::endl;
1318 #endif
1319
1320   return aConstraint;
1321 }
1322
1323 FeaturePtr SketchPlugin_Trim::createConstraintToObject(const std::string& theConstraintId,
1324                                                const AttributePtr& theFirstAttribute,
1325                                                const ObjectPtr& theSecondObject)
1326 {
1327   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
1328   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1329                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
1330   aRefAttr->setAttr(theFirstAttribute);
1331
1332   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1333                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
1334   aRefAttr->setObject(theSecondObject);
1335
1336 #ifdef DEBUG_TRIM
1337   std::cout << "<createConstraint to attribute> :"
1338             << "first attribute - " << theFirstAttribute->id()
1339             << "second object - " << ModelAPI_Feature::feature(theSecondObject)->getKind()
1340             << std::endl;
1341 #endif
1342
1343   return aConstraint;
1344 }
1345
1346 FeaturePtr SketchPlugin_Trim::createConstraintForObjects(
1347                                                     const std::string& theConstraintId,
1348                                                     const ObjectPtr& theFirstObject,
1349                                                     const ObjectPtr& theSecondObject)
1350 {
1351   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
1352   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1353                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
1354   aRefAttr->setObject(theFirstObject);
1355
1356   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1357                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
1358   aRefAttr->setObject(theSecondObject);
1359
1360   return aConstraint;
1361 }
1362
1363 std::shared_ptr<ModelAPI_Result> SketchPlugin_Trim::getFeatureResult(
1364                                     const std::shared_ptr<ModelAPI_Feature>& theFeature)
1365 {
1366   std::shared_ptr<ModelAPI_Result> aResult;
1367
1368   std::string aFeatureKind = theFeature->getKind();
1369   if (aFeatureKind == SketchPlugin_Line::ID())
1370     aResult = theFeature->firstResult();
1371   else if (aFeatureKind == SketchPlugin_Arc::ID())
1372     aResult = theFeature->lastResult();
1373   else if (aFeatureKind == SketchPlugin_Circle::ID())
1374     aResult = theFeature->lastResult();
1375
1376   return aResult;
1377 }
1378
1379 //********************************************************************
1380 void SketchPlugin_Trim::fillObjectShapes(const ObjectPtr& theObject,
1381                 const ObjectPtr& theSketch,
1382                 std::map<ObjectPtr, std::set<GeomShapePtr> >& theCashedShapes,
1383                 std::map<ObjectPtr, PointToRefsMap>& theObjectToPoints)
1384 {
1385   PointToRefsMap aPointsInfo;
1386
1387   std::set<std::shared_ptr<GeomAPI_Shape> > aShapes;
1388   std::map<std::shared_ptr<GeomAPI_Pnt>,
1389                            std::list< AttributePoint2DPtr > > aPointToAttributes;
1390   std::map<std::shared_ptr<GeomAPI_Pnt>,
1391                            std::list< ObjectPtr > > aPointToObjects;
1392
1393   std::set<AttributePoint2DPtr > aRefAttributes;
1394   // current feature
1395   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1396   std::set<ResultPtr> anEdgeShapes;
1397   // edges on feature
1398   ModelGeomAlgo_Shape::shapesOfType(aFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
1399   if (!anEdgeShapes.empty()) {
1400     GeomShapePtr aFeatureShape = (*anEdgeShapes.begin())->shape();
1401
1402     // coincidences to the feature
1403     ModelGeomAlgo_Point2D::getPointsOfReference(aFeature, SketchPlugin_ConstraintCoincidence::ID(),
1404                          aRefAttributes, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
1405     // layed on feature coincidences to divide it on several shapes
1406     //SketchPlugin_Sketch* aSketch = sketch();
1407     std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
1408     std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
1409         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
1410     std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1411         aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
1412     std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1413         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
1414     std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
1415
1416     ModelGeomAlgo_Point2D::getPointsInsideShape(aFeatureShape, aRefAttributes, aC->pnt(),
1417                                                 aX->dir(), aY, aPointsInfo);
1418
1419     std::list<FeaturePtr> aFeatures;
1420     CompositeFeaturePtr aSketchComposite =
1421                          std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theSketch);
1422     for (int i = 0; i < aSketchComposite->numberOfSubs(); i++) {
1423       FeaturePtr aFeature = aSketchComposite->subFeature(i);
1424       if (aFeature.get())
1425         aFeatures.push_back(aFeature);
1426     }
1427     ModelGeomAlgo_Point2D::getPointsIntersectedShape(aFeature, aFeatures, aPointsInfo);
1428
1429     GeomAlgoAPI_ShapeTools::splitShape(aFeatureShape, aPointsInfo, aShapes);
1430   }
1431   theObjectToPoints[theObject] = aPointsInfo;
1432   theCashedShapes[theObject] = aShapes;
1433 }