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
  16 #include <ModelAPI_AttributeReference.h>
  17 #include <ModelAPI_AttributeString.h>
  18 #include <ModelAPI_AttributeRefAttr.h>
  19 #include <ModelAPI_Tools.h>
  20 #include <ModelAPI_AttributeBoolean.h>
  21
  22 #include <ModelAPI_Validator.h>
  23 #include <ModelAPI_Session.h>
  24 #include <ModelAPI_AttributeDouble.h>
  25
  26 #include <SketchPlugin_Arc.h>
  27 #include <SketchPlugin_ConstraintMiddle.h>
  28 #include <SketchPlugin_Circle.h>
  29 #include <SketchPlugin_ConstraintCoincidence.h>
  30 #include <SketchPlugin_ConstraintEqual.h>
  31 //#include <SketchPlugin_ConstraintParallel.h>
  32 #include <SketchPlugin_ConstraintTangent.h>
  33 #include <SketchPlugin_ConstraintLength.h>
  34 #include <SketchPlugin_ConstraintMirror.h>
  35 #include <SketchPlugin_ConstraintCollinear.h>
  36 #include <SketchPlugin_Line.h>
  37 #include <SketchPlugin_MultiRotation.h>
  38 #include <SketchPlugin_MultiTranslation.h>
  39 #include <SketchPlugin_Point.h>
  40
  41 #include <ModelAPI_Events.h>
  42 #include <SketchPlugin_Line.h>
  43 #include <SketchPlugin_Arc.h>
  44 #include <SketchPlugin_Circle.h>
  45
  46 #include <ModelGeomAlgo_Point2D.h>
  47 #include <Events_Loop.h>
  48
  49 #include <cmath>
  50
  51 #define DEBUG_TRIM
  52 #ifdef DEBUG_TRIM
  53 #include <iostream>
  54 #endif
  55
  56 static const double PI = 3.141592653589793238463;
  57
  58 static const std::string OPERATION_HIGHLIGHT_COLOR() { return "128, 0, 0"; }
  59 static const std::string OPERATION_REMOVE_FEATURE_COLOR() { return "255, 174, 201"; }
  60
  61 SketchPlugin_Trim::SketchPlugin_Trim()
  62 {
  63 }
  64
  65 void SketchPlugin_Trim::initAttributes()
  66 {
  67   data()->addAttribute(SketchPlugin_Trim::BASE_OBJECT(), ModelAPI_AttributeReference::typeId());
  68   data()->addAttribute(ENTITY_POINT(), GeomDataAPI_Point2D::typeId());
  69 }
  70
  71 void SketchPlugin_Trim::findShapePoints(std::shared_ptr<GeomAPI_Pnt>& aStartPoint,
  72                                         std::shared_ptr<GeomAPI_Pnt>& aLastPoint)
  73 {
  74   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
  75                                             data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
  76   ObjectPtr aBaseObject = aBaseObjectAttr->value();
  77
  78   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  79                                                             data()->attribute(ENTITY_POINT()));
  80   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
  81   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
  82                                                                anAttributePnt2d->y());
  83
  84   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
  85     fillObjectShapes(aBaseObject);
  86
  87   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
  88   if (!aShapes.empty()) {
  89     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
  90     for (; anIt != aLast; anIt++) {
  91       GeomShapePtr aBaseShape = *anIt;
  92       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
  93       if (ModelGeomAlgo_Point2D::isPointOnEdge(aBaseShape, anAttributePnt, aProjectedPoint)) {
  94
  95         if (aBaseShape->shapeType() == GeomAPI_Shape::EDGE) {
  96           std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aBaseShape));
  97           aStartPoint = anEdge->lastPoint();
  98           aLastPoint = anEdge->firstPoint();
  99         }
 100       }
 101     }
 102   }
 103 #ifdef DEBUG_TRIM
 104   std::cout << "<findShapePoints> => "
 105             << "Start Point: ["
 106             << aStartPoint->x() << ", " << aStartPoint->y() << ", " << aStartPoint->z() << "]"
 107             << "Last Point: ["
 108             << aLastPoint->x() << ", " << aLastPoint->y() << ", " << aLastPoint->z() << "]"
 109             << std::endl;
 110 #endif
 111 }
 112
 113 std::shared_ptr<GeomAPI_Pnt2d> SketchPlugin_Trim::convertPoint(
 114                                                    const std::shared_ptr<GeomAPI_Pnt>& thePoint)
 115 {
 116   std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 117
 118   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 119                                             data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 120   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 121   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 122     return aPoint;
 123
 124   bool aFound = false;
 125   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 126   for (PointToRefsMap::const_iterator aPointIt = aRefsMap.begin();
 127        aPointIt != aRefsMap.end() && !aFound; aPointIt++) {
 128     if (aPointIt->first->isEqual(thePoint)) {
 129       const std::pair<std::list<AttributePoint2DPtr >,
 130                std::list<ObjectPtr > >& anInfo = aPointIt->second;
 131       const std::list<AttributePoint2DPtr >& anAttributes = anInfo.first;
 132       if (!anAttributes.empty()) {
 133         aPoint = anAttributes.front()->pnt();
 134         aFound = true;
 135       }
 136       else {
 137         std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
 138         aPoint = thePoint->to2D(aPlane);
 139         aFound = true;
 140       }
 141     }
 142   }
 143   if (!aFound) {
 144     // returns an end of the shape to define direction of split if feature's attribute participates
 145     std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
 146     aPoint = thePoint->to2D(aPlane);
 147   }
 148   return aPoint;
 149 }
 150
 151 void SketchPlugin_Trim::execute()
 152 {
 153 #ifdef DEBUG_TRIM
 154   std::cout << "SketchPlugin_Trim::execute" << std::endl;
 155 #endif
 156
 157   SketchPlugin_Sketch* aSketch = sketch();
 158   if (!aSketch)
 159     return;
 160
 161   // Check the base objects are initialized.
 162   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 163                                             data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 164   if(!aBaseObjectAttr->isInitialized()) {
 165     setError("Error: Base object is not initialized.");
 166     return;
 167   }
 168   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 169   if (!aBaseObject.get())
 170     return;
 171   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 172
 173   /// points of trim
 174   std::shared_ptr<GeomAPI_Pnt> aStartShapePoint, aLastShapePoint;
 175   findShapePoints(aStartShapePoint, aLastShapePoint);
 176   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint2d = convertPoint(aStartShapePoint);
 177
 178   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint2d = convertPoint(aLastShapePoint);
 179
 180   std::set<FeaturePtr> aFeaturesToDelete;
 181   getConstraints(aFeaturesToDelete);
 182
 183   std::map<AttributePtr, std::list<AttributePtr> > aBaseRefAttributes;
 184   std::list<AttributePtr> aRefsToFeature;
 185   getRefAttributes(aBaseFeature, aBaseRefAttributes, aRefsToFeature);
 186
 187
 188   // coincidence to result points
 189   // find coincidences to the base object, it should be used when attribute is found
 190   // in myObjectToPoints
 191   std::map<AttributePtr, FeaturePtr> aCoincidencesToBaseFeature;
 192   getCoincidencesToObject(aBaseObject, aCoincidencesToBaseFeature);
 193
 194   std::set<AttributePoint2DPtr> aFurtherCoincidences;
 195   std::set<std::pair<AttributePtr, AttributePtr>> aModifiedAttributes;
 196   const std::string& aKind = aBaseFeature->getKind();
 197   FeaturePtr aReplacingFeature;
 198   if (aKind == SketchPlugin_Circle::ID()) {
 199     aReplacingFeature = trimCircle(aStartShapePoint2d, aLastShapePoint2d,
 200                aFurtherCoincidences, aModifiedAttributes);
 201
 202     aFeaturesToDelete.insert(aBaseFeature);
 203     // as circle is removed, temporary fill this attribute
 204     aBaseObjectAttr->setObject(ResultPtr());
 205   }
 206   else if (aKind == SketchPlugin_Line::ID()) {
 207     trimLine(aStartShapePoint2d, aLastShapePoint2d,
 208              aFurtherCoincidences, aModifiedAttributes);
 209   }
 210   else if (aKind == SketchPlugin_Arc::ID()) {
 211     trimArc(aStartShapePoint2d, aLastShapePoint2d,
 212             aFurtherCoincidences, aModifiedAttributes);
 213   }
 214
 215   //
 216   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 217   std::set<AttributePoint2DPtr>::const_iterator anIt = aFurtherCoincidences.begin(),
 218                                                 aLast = aFurtherCoincidences.end();
 219   for (; anIt != aLast; anIt++) {
 220     AttributePoint2DPtr aPointAttribute = (*anIt);
 221     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 222
 223     std::shared_ptr<GeomAPI_Pnt> aPoint;
 224     if (aStartShapePoint2d.get() && aPoint2d->isEqual(aStartShapePoint2d))
 225       aPoint = aStartShapePoint;
 226     else if (aLastShapePoint2d.get() && aPoint2d->isEqual(aLastShapePoint2d))
 227       aPoint = aLastShapePoint;
 228
 229     if (!aPoint.get())
 230       continue;
 231
 232     std::pair<std::list<AttributePoint2DPtr >, std::list<ObjectPtr > > anInfo;
 233     for (PointToRefsMap::const_iterator aRefIt = aRefsMap.begin(); aRefIt != aRefsMap.end();
 234          aRefIt++)
 235     {
 236       if (aRefIt->first->isEqual(aPoint)) {
 237         anInfo = aRefIt->second;
 238         break;
 239       }
 240     }
 241     const std::list<AttributePoint2DPtr >& anAttributes = anInfo.first;
 242     for (std::list<AttributePoint2DPtr>::const_iterator anAttrIt = anAttributes.begin();
 243           anAttrIt != anAttributes.end(); anAttrIt++) {
 244       AttributePtr anAttribute = *anAttrIt;
 245       if (aCoincidencesToBaseFeature.find(anAttribute) != aCoincidencesToBaseFeature.end())
 246       {
 247         FeaturePtr anAttrFeature = aCoincidencesToBaseFeature.at(anAttribute);
 248         AttributePtr anOtherAttribute;
 249         if (std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 250            (anAttrFeature->attribute(SketchPlugin_Constraint::ENTITY_A()))->attr() == anAttribute)
 251           anOtherAttribute = anAttrFeature->attribute(SketchPlugin_Constraint::ENTITY_B());
 252         else if (std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 253           (anAttrFeature->attribute(SketchPlugin_Constraint::ENTITY_B()))->attr() == anAttribute)
 254           anOtherAttribute = anAttrFeature->attribute(SketchPlugin_Constraint::ENTITY_A());
 255         else
 256           continue;
 257         AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 258                                        (anOtherAttribute);
 259         if (aRefAttr.get())
 260           aRefAttr->setAttr(aPointAttribute);
 261       }
 262     }
 263
 264     const std::list<ObjectPtr>& anObjects = anInfo.second;
 265     for (std::list<ObjectPtr>::const_iterator anObjectIt = anObjects.begin();
 266       anObjectIt != anObjects.end(); anObjectIt++) {
 267       createConstraintToObject(SketchPlugin_ConstraintCoincidence::ID(), aPointAttribute,
 268                                *anObjectIt);
 269     }
 270   }
 271
 272   // move constraints from base feature to replacing feature: ignore coincidences to feature
 273   // if attributes of coincidence participated in split
 274   if (aReplacingFeature.get()) {
 275     ResultPtr aReplacingResult = getFeatureResult(aReplacingFeature);
 276     std::list<AttributePtr>::const_iterator anIt = aRefsToFeature.begin(),
 277                                             aLast = aRefsToFeature.end();
 278     for (; anIt != aLast; anIt++) {
 279       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIt);
 280       if (!aRefAttr.get())
 281         continue;
 282       FeaturePtr anAttrFeature = ModelAPI_Feature::feature(aRefAttr->owner());
 283       if (anAttrFeature.get() &&
 284           anAttrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID())
 285       {
 286         if (anAttrFeature->attribute(SketchPlugin_Constraint::ENTITY_A()) == aRefAttr ||
 287             anAttrFeature->attribute(SketchPlugin_Constraint::ENTITY_B()) == aRefAttr)
 288           continue;
 289       }
 290       aRefAttr->setObject(aReplacingResult);
 291     }
 292   }
 293
 294   // Wait all constraints being created, then send update events
 295   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 296   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
 297   if (isUpdateFlushed)
 298     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
 299
 300   updateRefAttConstraints(aBaseRefAttributes, aModifiedAttributes, aFeaturesToDelete);
 301
 302   // delete constraints
 303 #ifdef DEBUG_TRIM
 304   std::cout << "remove features and references:" << std::endl;
 305   std::set<FeaturePtr>::const_iterator aDIt = aFeaturesToDelete.begin(),
 306                                        aDLast = aFeaturesToDelete.end();
 307   for (; aDIt != aDLast; aDIt++) {
 308     //std::cout << getFeatureInfo(*aDIt, false) << std::endl;
 309     //std::cout << std::endl;
 310   }
 311 #endif
 312   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 313   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 314
 315   // Send events to update the sub-features by the solver.
 316   if(isUpdateFlushed) {
 317     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 318   }
 319
 320 #ifdef DEBUG_TRIM
 321   std::cout << "SketchPlugin_Trim::done" << std::endl;
 322 #endif
 323 }
 324
 325 bool SketchPlugin_Trim::isMacro() const
 326 {
 327   return true;
 328 }
 329
 330 AISObjectPtr SketchPlugin_Trim::getAISObject(AISObjectPtr thePrevious)
 331 {
 332   AISObjectPtr anAIS = thePrevious;
 333   // feature for trim
 334   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 335                                            data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 336   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 337   if (!aBaseObject.get())
 338     return anAIS;
 339   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 340
 341   // point on feature
 342   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 343                                            data()->attribute(ENTITY_POINT()));
 344   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
 345   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 346                                                                anAttributePnt2d->y());
 347
 348   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 349     fillObjectShapes(aBaseObject);
 350
 351   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 352   if (!aShapes.empty()) {
 353     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 354     for (; anIt != aLast; anIt++) {
 355       GeomShapePtr aBaseShape = *anIt;
 356       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 357       if (ModelGeomAlgo_Point2D::isPointOnEdge(aBaseShape, anAttributePnt, aProjectedPoint)) {
 358         if (aBaseShape) {
 359           if (!anAIS)
 360             anAIS = AISObjectPtr(new GeomAPI_AISObject);
 361           anAIS->createShape(aBaseShape);
 362
 363           std::shared_ptr<ModelAPI_AttributeBoolean> anAuxiliaryAttr =
 364                  aBaseFeature->data()->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID());
 365
 366           bool isConstruction = anAuxiliaryAttr.get() != NULL && anAuxiliaryAttr->value();
 367
 368           std::vector<int> aColor;
 369           aColor = Config_PropManager::color("Visualization", "operation_remove_feature_color",
 370                                              OPERATION_REMOVE_FEATURE_COLOR());
 371           double aWidth = SketchPlugin_SketchEntity::SKETCH_LINE_WIDTH();
 372           int aLineStyle = SketchPlugin_SketchEntity::SKETCH_LINE_STYLE();
 373           if (isConstruction) {
 374             aWidth = SketchPlugin_SketchEntity::SKETCH_LINE_WIDTH_AUXILIARY();
 375             aLineStyle = SketchPlugin_SketchEntity::SKETCH_LINE_STYLE_AUXILIARY();
 376           }
 377           anAIS->setColor(aColor[0], aColor[1], aColor[2]);
 378           anAIS->setWidth(aWidth);
 379           anAIS->setLineStyle(aLineStyle);
 380           break;
 381         }
 382       }
 383     }
 384   }
 385
 386   return anAIS;
 387 }
 388
 389 void SketchPlugin_Trim::getFeaturePoints(const FeaturePtr& theFeature,
 390                                          AttributePoint2DPtr& theStartPointAttr,
 391                                          AttributePoint2DPtr& theEndPointAttr)
 392 {
 393   std::string aFeatureKind = theFeature->getKind();
 394   std::string aStartAttributeName, anEndAttributeName;
 395   if (aFeatureKind == SketchPlugin_Line::ID()) {
 396     aStartAttributeName = SketchPlugin_Line::START_ID();
 397     anEndAttributeName = SketchPlugin_Line::END_ID();
 398   }
 399   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 400     aStartAttributeName = SketchPlugin_Arc::START_ID();
 401     anEndAttributeName = SketchPlugin_Arc::END_ID();
 402   }
 403   if (!aStartAttributeName.empty() && !anEndAttributeName.empty()) {
 404     theStartPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 405                                          theFeature->attribute(aStartAttributeName));
 406     theEndPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 407                                          theFeature->attribute(anEndAttributeName));
 408   }
 409 }
 410
 411 void SketchPlugin_Trim::getConstraints(std::set<FeaturePtr>& theFeaturesToDelete)
 412 {
 413   std::shared_ptr<ModelAPI_Data> aData = data();
 414
 415   // Check the base objects are initialized.
 416   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 417                                             aData->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 418   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 419   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
 420
 421   std::set<AttributePtr> aRefsList = aBaseFeatureResult->data()->refsToMe();
 422   std::set<AttributePtr> aFRefsList = aBaseFeature->data()->refsToMe();
 423   aRefsList.insert(aFRefsList.begin(), aFRefsList.end());
 424
 425   std::set<AttributePtr>::const_iterator aIt;
 426   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 427     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 428     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 429     std::string aRefFeatureKind = aRefFeature->getKind();
 430     if (aRefFeatureKind == SketchPlugin_ConstraintMirror::ID() ||
 431         aRefFeatureKind == SketchPlugin_MultiRotation::ID() ||
 432         aRefFeatureKind == SketchPlugin_MultiTranslation::ID() ||
 433         aRefFeatureKind == SketchPlugin_ConstraintMiddle::ID())
 434       theFeaturesToDelete.insert(aRefFeature);
 435   }
 436 }
 437
 438 void SketchPlugin_Trim::getRefAttributes(const FeaturePtr& theFeature,
 439                                     std::map<AttributePtr, std::list<AttributePtr> >& theRefs,
 440                                     std::list<AttributePtr>& theRefsToFeature)
 441 {
 442   theRefs.clear();
 443
 444   std::list<AttributePtr> aPointAttributes =
 445     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 446   std::set<AttributePtr> aPointAttributesSet;
 447
 448   std::list<AttributePtr>::const_iterator aPIt =
 449     aPointAttributes.begin(), aPLast = aPointAttributes.end();
 450   for (; aPIt != aPLast; aPIt++)
 451     aPointAttributesSet.insert(*aPIt);
 452
 453   std::set<AttributePtr> aRefsAttributes = getFeatureResult(theFeature)->data()->refsToMe();
 454   std::set<AttributePtr> aFRefsList = theFeature->data()->refsToMe();
 455   aRefsAttributes.insert(aFRefsList.begin(), aFRefsList.end());
 456
 457   std::set<AttributePtr>::const_iterator aIt;
 458   for (aIt = aRefsAttributes.cbegin(); aIt != aRefsAttributes.cend(); ++aIt) {
 459     AttributePtr anAttr = (*aIt);
 460     FeaturePtr anAttrFeature = ModelAPI_Feature::feature(anAttr->owner());
 461     if (anAttrFeature.get() != this &&
 462         anAttr.get() && anAttr->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
 463       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
 464       if (!aRefAttr->isObject()) { /// find attributes referenced to feature point attributes
 465         AttributePtr anAttrInRef = aRefAttr->attr();
 466         if (anAttrInRef.get() &&
 467             aPointAttributesSet.find(anAttrInRef) != aPointAttributesSet.end()) {
 468           if (theRefs.find(anAttrInRef) != theRefs.end())
 469             theRefs[anAttrInRef].push_back(aRefAttr);
 470           else {
 471             std::list<AttributePtr> anAttrList;
 472             anAttrList.push_back(aRefAttr);
 473             theRefs[anAttrInRef] = anAttrList;
 474           }
 475         }
 476       }
 477       else { /// find attributes referenced to feature itself
 478         theRefsToFeature.push_back(anAttr);
 479       }
 480     }
 481   }
 482 }
 483
 484 void SketchPlugin_Trim::getCoincidencesToObject(const ObjectPtr& theObject,
 485                    std::map<AttributePtr, FeaturePtr>& theCoincidencesToBaseFeature)
 486 {
 487   const std::set<AttributePtr>& aRefsList = theObject->data()->refsToMe();
 488   std::set<AttributePtr>::const_iterator aIt;
 489   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 490     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 491     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 492     if (aRefFeature->getKind() != SketchPlugin_ConstraintCoincidence::ID())
 493       continue;
 494     AttributePtr anAttribute;
 495     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 496                                   (aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
 497     if (aRefAttr->isObject() && aRefAttr->object() == theObject)
 498     {
 499       anAttribute = aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_B());
 500     }
 501     else {
 502       aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 503                                     (aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
 504       if (aRefAttr->isObject() && aRefAttr->object() == theObject)
 505       {
 506         anAttribute = aRefFeature->attribute(SketchPlugin_Constraint::ENTITY_A());
 507       }
 508       if (anAttribute.get())
 509       {
 510         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 511                                     (anAttribute);
 512         anAttribute = aRefAttr->attr();
 513         if (anAttribute.get())
 514           theCoincidencesToBaseFeature[anAttribute] = aRefFeature;
 515       }
 516     }
 517   }
 518 }
 519
 520 void SketchPlugin_Trim::updateRefAttConstraints(
 521                     const std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 522                     const std::set<std::pair<AttributePtr, AttributePtr> >& theModifiedAttributes,
 523                     std::set<FeaturePtr>& theFeaturesToDelete)
 524 {
 525 #ifdef DEBUG_TRIM
 526   std::cout << "SketchPlugin_Trim::updateRefAttConstraints" << std::endl;
 527 #endif
 528
 529   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 530     anIt = theModifiedAttributes.begin(),  aLast = theModifiedAttributes.end();
 531   for (; anIt != aLast; anIt++) {
 532     AttributePtr anAttribute = anIt->first;
 533
 534     /// not found in references
 535     if (theBaseRefAttributes.find(anAttribute) == theBaseRefAttributes.end())
 536       continue;
 537     std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(anAttribute);
 538     std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 539                                             aRLast = aRefAttributes.end();
 540
 541     AttributePtr aNewAttribute = anIt->second;
 542     for (; aRefIt != aRLast; aRefIt++) {
 543       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 544       if (aRefAttr.get()) {
 545         if (aNewAttribute.get())
 546           aRefAttr->setAttr(aNewAttribute);
 547         else
 548           theFeaturesToDelete.insert(ModelAPI_Feature::feature(aRefAttr->owner()));
 549 #ifdef DEBUG_TRIM
 550         //FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->owner());
 551         //std::cout << " -" << getFeatureInfo(aFeature) << std::endl;
 552 #endif
 553       }
 554     }
 555   }
 556 }
 557
 558 void SketchPlugin_Trim::trimLine(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 559                                  const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 560                                  std::set<AttributePoint2DPtr>& thePoints,
 561                   std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 562 {
 563   // Check the base objects are initialized.
 564   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 565                                             data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 566   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 567   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 568
 569   /// points of trim
 570   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 571   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 572
 573   std::shared_ptr<GeomAPI_Pnt2d> aStartFeaturePoint = aStartPointAttrOfBase->pnt();
 574   std::shared_ptr<GeomAPI_Pnt2d> aLastFeaturePoint = anEndPointAttrOfBase->pnt();
 575
 576   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 577   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 578   arrangePointsOnLine(aStartPointAttrOfBase, anEndPointAttrOfBase,
 579                       aStartShapePoint, aLastShapePoint);
 580 #ifdef DEBUG_TRIM
 581   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 582   if (aStartShapePoint.get())
 583     std::cout << "Start point: [" << aStartShapePoint->x() << ", " <<
 584                                        aStartShapePoint->y() << "]" << std::endl;
 585   std::cout << "1st point:   [" << aStartFeaturePoint->x() << ", " <<
 586                                    aStartFeaturePoint->y() << "]" << std::endl;
 587   if (aLastShapePoint.get())
 588     std::cout << "2st point:   [" << aLastShapePoint->x() << ", " <<
 589                                      aLastShapePoint->y() << "]" << std::endl;
 590   std::cout << "End point:   [" << aLastFeaturePoint->x() << ", " <<
 591                                    aLastFeaturePoint->y() << "]" << std::endl;
 592 #endif
 593
 594   bool isStartPoint = !aStartShapePoint.get() || aStartFeaturePoint->isEqual(aStartShapePoint);
 595   bool isLastPoint = !aLastShapePoint.get() || aLastFeaturePoint->isEqual(aLastShapePoint);
 596   if (isStartPoint || isLastPoint) {
 597     // result is one line: changed existing line
 598     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Line::START_ID()
 599                                                   : SketchPlugin_Line::END_ID();
 600     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 601     if (aStartShapePoint.get() && aLastShapePoint.get())
 602       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
 603     else
 604       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
 605
 606     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
 607     theModifiedAttributes.insert(
 608       std::make_pair(aBaseFeature->attribute(aModifiedAttribute), AttributePtr()));
 609
 610     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 611                                (aBaseFeature->attribute(aModifiedAttribute)));
 612   }
 613   else {
 614     // result is two lines: start line point - start shape point, last shape point - last line point
 615     // create second line
 616     FeaturePtr anNewFeature = createLineFeature(aBaseFeature, aLastShapePoint, aLastFeaturePoint);
 617     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 618                                (anNewFeature->attribute(SketchPlugin_Line::START_ID())));
 619
 620     std::string aModifiedAttribute = SketchPlugin_Line::END_ID();
 621     theModifiedAttributes.insert(
 622       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
 623                                    anNewFeature->attribute(SketchPlugin_Line::END_ID())));
 624
 625     // modify base arc
 626     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
 627
 628     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 629                                (aBaseFeature->attribute(aModifiedAttribute)));
 630
 631     // Collinear constraint for lines
 632     createConstraintForObjects(SketchPlugin_ConstraintCollinear::ID(),
 633                                getFeatureResult(aBaseFeature),
 634                                getFeatureResult(anNewFeature));
 635
 636   }
 637 }
 638
 639 void SketchPlugin_Trim::trimArc(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 640                                 const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 641                                 std::set<AttributePoint2DPtr>& thePoints,
 642                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 643 {
 644   // Check the base objects are initialized.
 645   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 646                                             data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 647   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 648   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 649
 650   /// points of trim
 651   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 652   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 653
 654   std::shared_ptr<GeomAPI_Pnt2d> aStartArcPoint = aStartPointAttrOfBase->pnt();
 655   std::shared_ptr<GeomAPI_Pnt2d> aLastArcPoint = anEndPointAttrOfBase->pnt();
 656
 657   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 658   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 659   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
 660                      aStartShapePoint, aLastShapePoint);
 661 #ifdef DEBUG_TRIM
 662   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 663   if (aStartShapePoint.get())
 664     std::cout << "Start point: [" << aStartShapePoint->x() << ", " <<
 665                                        aStartShapePoint->y() << "]" << std::endl;
 666   std::cout << "1st point:   [" << aStartArcPoint->x() << ", " <<
 667                                    aStartArcPoint->y() << "]" << std::endl;
 668   if (aLastShapePoint.get())
 669     std::cout << "2st point:   [" << aLastShapePoint->x() << ", " <<
 670                                      aLastShapePoint->y() << "]" << std::endl;
 671   std::cout << "End point:   [" << aLastArcPoint->x() << ", " <<
 672                                    aLastArcPoint->y() << "]" << std::endl;
 673 #endif
 674
 675   bool isStartPoint = !aStartShapePoint.get() || aStartArcPoint->isEqual(aStartShapePoint);
 676   bool isLastPoint = !aLastShapePoint.get() || aLastArcPoint->isEqual(aLastShapePoint);
 677   if (isStartPoint || isLastPoint) {
 678     // result is one arc: changed existing arc
 679     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Arc::START_ID()
 680                                                   : SketchPlugin_Arc::END_ID();
 681     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 682     if (aStartShapePoint.get() && aLastShapePoint.get())
 683       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
 684     else
 685       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
 686
 687     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
 688     theModifiedAttributes.insert(
 689       std::make_pair(aBaseFeature->attribute(aModifiedAttribute), AttributePtr()));
 690
 691     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 692                                (aBaseFeature->attribute(aModifiedAttribute)));
 693   }
 694   else {
 695     // result is two arcs: start arc point - start shape point, last shape point - last arc point
 696     // create second arc
 697     FeaturePtr anArcFeature = createArcFeature(aBaseFeature, aLastShapePoint, aLastArcPoint);
 698     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 699                                (anArcFeature->attribute(SketchPlugin_Arc::START_ID())));
 700
 701     std::string aModifiedAttribute = SketchPlugin_Arc::END_ID();
 702     theModifiedAttributes.insert(
 703       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
 704                                    anArcFeature->attribute(SketchPlugin_Arc::END_ID())));
 705
 706     // modify base arc
 707     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
 708
 709     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 710                                (aBaseFeature->attribute(aModifiedAttribute)));
 711
 712     // equal Radius constraint for arcs
 713     createConstraintForObjects(SketchPlugin_ConstraintEqual::ID(),
 714                                getFeatureResult(aBaseFeature),
 715                                getFeatureResult(anArcFeature));
 716     // coincident centers constraint
 717     createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
 718                      aBaseFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
 719                      anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 720   }
 721 }
 722
 723 FeaturePtr SketchPlugin_Trim::trimCircle(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 724                                    const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 725                                    std::set<AttributePoint2DPtr>& thePoints,
 726                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 727 {
 728   // Check the base objects are initialized.
 729   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 730                                             data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
 731   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 732   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 733
 734   /// points of trim
 735   //AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 736   //getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 737
 738   /// trim feature
 739   FeaturePtr anArcFeature = createArcFeature(aBaseFeature, theStartShapePoint, theLastShapePoint);
 740
 741   theModifiedAttributes.insert(
 742     std::make_pair(aBaseFeature->attribute(SketchPlugin_Circle::CENTER_ID()),
 743                    anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID())));
 744
 745   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 746                              (anArcFeature->attribute(SketchPlugin_Arc::START_ID())));
 747   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 748                              (anArcFeature->attribute(SketchPlugin_Arc::END_ID())));
 749
 750   return anArcFeature;
 751 }
 752
 753 void SketchPlugin_Trim::arrangePointsOnLine(const AttributePoint2DPtr& theStartPointAttr,
 754                                             const AttributePoint2DPtr& theEndPointAttr,
 755                                             std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
 756                                             std::shared_ptr<GeomAPI_Pnt2d>& theLastPoint) const
 757 {
 758   if (!theFirstPoint.get() || !theLastPoint.get())
 759     return;
 760
 761   // if first point is closer to last point, swap first and last values
 762   if (theStartPointAttr->pnt()->distance(theFirstPoint) >
 763       theStartPointAttr->pnt()->distance(theLastPoint)) {
 764     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
 765     theFirstPoint = theLastPoint;
 766     theLastPoint = aTmpPoint;
 767   }
 768 }
 769
 770 void SketchPlugin_Trim::arrangePointsOnArc(const FeaturePtr& theArc,
 771                                   const AttributePoint2DPtr& theStartPointAttr,
 772                                   const AttributePoint2DPtr& theEndPointAttr,
 773                                   std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
 774                                   std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint) const
 775 {
 776   if (!theFirstPoint.get() || !theSecondPoint.get())
 777     return;
 778
 779   static const double anAngleTol = 1.e-12;
 780
 781   std::shared_ptr<GeomAPI_Pnt2d> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 782       theArc->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
 783   bool isReversed = theArc->boolean(SketchPlugin_Arc::INVERSED_ID())->value();
 784
 785   // collect directions to each point
 786   std::shared_ptr<GeomAPI_Dir2d> aStartDir(
 787       new GeomAPI_Dir2d(theStartPointAttr->pnt()->xy()->decreased(aCenter->xy())));
 788   std::shared_ptr<GeomAPI_Dir2d> aFirstPtDir(
 789       new GeomAPI_Dir2d(theFirstPoint->xy()->decreased(aCenter->xy())));
 790   std::shared_ptr<GeomAPI_Dir2d> aSecondPtDir(
 791       new GeomAPI_Dir2d(theSecondPoint->xy()->decreased(aCenter->xy())));
 792
 793   // sort points by their angular values
 794   double aFirstPtAngle = aStartDir->angle(aFirstPtDir);
 795   double aSecondPtAngle = aStartDir->angle(aSecondPtDir);
 796   double aPeriod = isReversed ? -2.0 * PI : 2.0 * PI;
 797   if (fabs(aFirstPtAngle) > anAngleTol && isReversed == (aFirstPtAngle > 0.))
 798     aFirstPtAngle += aPeriod;
 799   if (fabs(aSecondPtAngle) > anAngleTol && isReversed == (aSecondPtAngle > 0.))
 800     aSecondPtAngle += aPeriod;
 801
 802   if (fabs(aFirstPtAngle) > fabs(aSecondPtAngle)) {
 803     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
 804     theFirstPoint = theSecondPoint;
 805     theSecondPoint = aTmpPoint;
 806   }
 807 }
 808
 809 void SketchPlugin_Trim::fillPointAttribute(const AttributePtr& theModifiedAttribute,
 810                                            const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 811 {
 812   std::string anAttributeType = theModifiedAttribute->attributeType();
 813   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
 814     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 815                                               theModifiedAttribute);
 816     aModifiedAttribute->setValue(thePoint);
 817
 818 #ifdef DEBUG_TRIM
 819     std::cout << "<fillPointAttribute> => Pnt2d - [" << thePoint->x() << ", "
 820               << thePoint->y() << "]" << std::endl;
 821 #endif
 822   }
 823 }
 824
 825
 826 void SketchPlugin_Trim::fillAttribute(const AttributePtr& theModifiedAttribute,
 827                                       const AttributePtr& theSourceAttribute)
 828 {
 829   std::string anAttributeType = theModifiedAttribute->attributeType();
 830   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
 831     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 832                                               theModifiedAttribute);
 833     AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 834                                               theSourceAttribute);
 835
 836     if (aModifiedAttribute.get() && aSourceAttribute.get())
 837       aModifiedAttribute->setValue(aSourceAttribute->pnt());
 838   }
 839   else if (anAttributeType == ModelAPI_AttributeBoolean::typeId()) {
 840     AttributeBooleanPtr aModifiedAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 841                                               theModifiedAttribute);
 842     AttributeBooleanPtr aSourceAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 843                                               theSourceAttribute);
 844
 845     if (aModifiedAttribute.get() && aSourceAttribute.get())
 846       aModifiedAttribute->setValue(aSourceAttribute->value());
 847   }
 848   else if (anAttributeType == ModelAPI_AttributeRefAttr::typeId()) {
 849     AttributeRefAttrPtr aRefAttributeToFill = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 850                                                                              theModifiedAttribute);
 851     AttributeRefAttrPtr aSourceRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 852                                          theSourceAttribute);
 853     if (!aSourceRefAttr.get())
 854       aRefAttributeToFill->setAttr(theSourceAttribute);
 855     else {
 856       if (aSourceRefAttr->isObject())
 857         aRefAttributeToFill->setObject(aSourceRefAttr->object());
 858       else
 859         aRefAttributeToFill->setAttr(aSourceRefAttr->attr());
 860     }
 861   }
 862 }
 863
 864 FeaturePtr SketchPlugin_Trim::createLineFeature(const FeaturePtr& theBaseFeature,
 865                                         const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
 866                                         const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
 867 {
 868   FeaturePtr aFeature;
 869   SketchPlugin_Sketch* aSketch = sketch();
 870   if (!aSketch || !theBaseFeature.get())
 871     return aFeature;
 872
 873   aFeature = aSketch->addFeature(SketchPlugin_Line::ID());
 874
 875   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), theFirstPoint);
 876   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::END_ID()), theSecondPoint);
 877
 878   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
 879                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
 880
 881   aFeature->execute(); // to obtain result
 882
 883   return aFeature;
 884 }
 885
 886
 887 FeaturePtr SketchPlugin_Trim::createArcFeature(const FeaturePtr& theBaseFeature,
 888                                                const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
 889                                                const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
 890 {
 891   FeaturePtr aFeature;
 892   SketchPlugin_Sketch* aSketch = sketch();
 893   if (!aSketch || !theBaseFeature.get())
 894     return aFeature;
 895
 896   std::string aCenterAttributeId;
 897   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID())
 898     aCenterAttributeId = SketchPlugin_Arc::CENTER_ID();
 899   else if (theBaseFeature->getKind() == SketchPlugin_Circle::ID())
 900     aCenterAttributeId = SketchPlugin_Circle::CENTER_ID();
 901
 902   if (aCenterAttributeId.empty())
 903     return aFeature;
 904
 905   aFeature = aSketch->addFeature(SketchPlugin_Arc::ID());
 906   // update fillet arc: make the arc correct for sure, so, it is not needed to process
 907   // the "attribute updated"
 908   // by arc; moreover, it may cause cyclicity in hte mechanism of updater
 909   bool aWasBlocked = aFeature->data()->blockSendAttributeUpdated(true);
 910
 911   aFeature->string(SketchPlugin_Arc::ARC_TYPE())->setValue(
 912                 SketchPlugin_Arc::ARC_TYPE_CENTER_START_END());
 913
 914   fillAttribute(aFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
 915                 theBaseFeature->attribute(aCenterAttributeId));
 916   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), theFirstPoint);
 917   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::END_ID()), theSecondPoint);
 918
 919   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
 920                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
 921
 922   /// fill referersed state of created arc as it is on the base arc
 923   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID()) {
 924     bool aReversed = theBaseFeature->boolean(SketchPlugin_Arc::INVERSED_ID())->value();
 925     aFeature->boolean(SketchPlugin_Arc::INVERSED_ID())->setValue(aReversed);
 926   }
 927   aFeature->execute(); // to obtain result
 928   aFeature->data()->blockSendAttributeUpdated(aWasBlocked);
 929
 930   return aFeature;
 931 }
 932
 933 FeaturePtr SketchPlugin_Trim::createConstraint(const std::string& theConstraintId,
 934                                                const AttributePtr& theFirstAttribute,
 935                                                const AttributePtr& theSecondAttribute)
 936 {
 937   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
 938   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 939                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 940   aRefAttr->setAttr(theFirstAttribute);
 941
 942   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 943                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 944   aRefAttr->setAttr(theSecondAttribute);
 945
 946 #ifdef DEBUG_TRIM
 947   std::cout << "<createConstraint to attribute> :"
 948             << "first attribute - " << theFirstAttribute->id()
 949             << "second attribute - " << theSecondAttribute->id()
 950             << std::endl;
 951 #endif
 952
 953   return aConstraint;
 954 }
 955
 956 FeaturePtr SketchPlugin_Trim::createConstraintToObject(const std::string& theConstraintId,
 957                                                const AttributePtr& theFirstAttribute,
 958                                                const ObjectPtr& theSecondObject)
 959 {
 960   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
 961   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 962                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 963   aRefAttr->setAttr(theFirstAttribute);
 964
 965   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 966                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 967   aRefAttr->setObject(theSecondObject);
 968
 969 #ifdef DEBUG_TRIM
 970   std::cout << "<createConstraint to attribute> :"
 971             << "first attribute - " << theFirstAttribute->id()
 972             << "second object - " << ModelAPI_Feature::feature(theSecondObject)->getKind()
 973             << std::endl;
 974 #endif
 975
 976   return aConstraint;
 977 }
 978
 979 FeaturePtr SketchPlugin_Trim::createConstraintForObjects(
 980                                                     const std::string& theConstraintId,
 981                                                     const ObjectPtr& theFirstObject,
 982                                                     const ObjectPtr& theSecondObject)
 983 {
 984   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
 985   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 986                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 987   aRefAttr->setObject(theFirstObject);
 988
 989   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 990                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 991   aRefAttr->setObject(theSecondObject);
 992
 993   return aConstraint;
 994 }
 995
 996 std::shared_ptr<ModelAPI_Result> SketchPlugin_Trim::getFeatureResult(
 997                                     const std::shared_ptr<ModelAPI_Feature>& theFeature)
 998 {
 999   std::shared_ptr<ModelAPI_Result> aResult;
1000
1001   std::string aFeatureKind = theFeature->getKind();
1002   if (aFeatureKind == SketchPlugin_Line::ID())
1003     aResult = theFeature->firstResult();
1004   else if (aFeatureKind == SketchPlugin_Arc::ID())
1005     aResult = theFeature->lastResult();
1006   else if (aFeatureKind == SketchPlugin_Circle::ID())
1007     aResult = theFeature->lastResult();
1008
1009   return aResult;
1010 }
1011
1012 //********************************************************************
1013 bool SketchPlugin_Trim::useGraphicIntersection() const
1014 {
1015   return true;
1016 }
1017
1018 //********************************************************************
1019 void SketchPlugin_Trim::fillObjectShapes(const ObjectPtr& theObject)
1020 {
1021   PointToRefsMap aPointsInfo;
1022
1023   std::set<std::shared_ptr<GeomAPI_Shape> > aShapes;
1024   std::map<std::shared_ptr<GeomAPI_Pnt>,
1025                            std::list< AttributePoint2DPtr > > aPointToAttributes;
1026   std::map<std::shared_ptr<GeomAPI_Pnt>,
1027                            std::list< ObjectPtr > > aPointToObjects;
1028
1029   std::set<AttributePoint2DPtr > aRefAttributes;
1030   // current feature
1031   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1032   std::set<ResultPtr> anEdgeShapes;
1033   // edges on feature
1034   ModelAPI_Tools::shapesOfType(aFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
1035   if (!anEdgeShapes.empty()) {
1036     GeomShapePtr aFeatureShape = (*anEdgeShapes.begin())->shape();
1037
1038     // coincidences to the feature
1039     ModelGeomAlgo_Point2D::getPointsOfReference(aFeature, SketchPlugin_ConstraintCoincidence::ID(),
1040                          aRefAttributes, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
1041     // layed on feature coincidences to divide it on several shapes
1042     SketchPlugin_Sketch* aSketch = sketch();
1043     std::shared_ptr<ModelAPI_Data> aData = aSketch->data();
1044     std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
1045         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
1046     std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1047         aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
1048     std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1049         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
1050     std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
1051
1052     ModelGeomAlgo_Point2D::getPointsInsideShape(aFeatureShape, aRefAttributes, aC->pnt(),
1053                                                 aX->dir(), aY, aPointsInfo);
1054
1055     // intersection points
1056     if (useGraphicIntersection()) {
1057       std::list<FeaturePtr> aFeatures;
1058       for (int i = 0; i < aSketch->numberOfSubs(); i++) {
1059         FeaturePtr aFeature = aSketch->subFeature(i);
1060         if (aFeature.get())
1061           aFeatures.push_back(aFeature);
1062       }
1063       ModelGeomAlgo_Point2D::getPointsIntersectedShape(aFeature, aFeatures, aPointsInfo);
1064     }
1065     GeomAlgoAPI_ShapeTools::splitShape(aFeatureShape, aPointsInfo, aShapes);
1066   }
1067   myObjectToPoints[theObject] = aPointsInfo;
1068   myCashedShapes[theObject] = aShapes;
1069 }
1070
1071 //********************************************************************
1072 void SketchPlugin_Trim::attributeChanged(const std::string& theID)
1073 {
1074   //data()->addAttribute(SketchPlugin_Trim::BASE_OBJECT(), ModelAPI_AttributeReference::typeId());
1075   if (theID == SketchPlugin_Trim::BASE_OBJECT()) {
1076     bool isValidAttribute = false;
1077     // feature for trim
1078     AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1079                                              data()->attribute(SketchPlugin_Trim::BASE_OBJECT()));
1080     ObjectPtr aBaseObject = aBaseObjectAttr->value();
1081     if (aBaseObject.get()) {
1082       FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1083       // point on feature
1084       AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1085                                                data()->attribute(ENTITY_POINT()));
1086       std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
1087       std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
1088                                                                    anAttributePnt2d->y());
1089
1090       if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
1091         fillObjectShapes(aBaseObject);
1092
1093       const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
1094       isValidAttribute = !aShapes.empty();
1095
1096       if (!isValidAttribute) {
1097         bool aWasBlocked = data()->blockSendAttributeUpdated(true);
1098         aBaseObjectAttr->setValue(ObjectPtr());
1099         data()->blockSendAttributeUpdated(aWasBlocked);
1100       }
1101     }
1102   }
1103 }