src/SketchPlugin/SketchPlugin_Validators.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "SketchPlugin_Validators.h"
  22
  23 #include "SketchPlugin_Arc.h"
  24 #include "SketchPlugin_Circle.h"
  25 #include "SketchPlugin_ConstraintCoincidence.h"
  26 #include "SketchPlugin_ConstraintDistance.h"
  27 #include "SketchPlugin_ConstraintRigid.h"
  28 #include "SketchPlugin_ConstraintTangent.h"
  29 #include "SketchPlugin_Fillet.h"
  30 #include "SketchPlugin_Line.h"
  31 #include "SketchPlugin_MacroArc.h"
  32 #include "SketchPlugin_MacroCircle.h"
  33 #include "SketchPlugin_MultiRotation.h"
  34 #include "SketchPlugin_Point.h"
  35 #include "SketchPlugin_Sketch.h"
  36 #include "SketchPlugin_Trim.h"
  37 #include "SketchPlugin_Tools.h"
  38
  39 #include "SketcherPrs_Tools.h"
  40
  41 #include <Events_InfoMessage.h>
  42
  43 #include <ModelAPI_Data.h>
  44 #include <ModelAPI_Validator.h>
  45 #include <ModelAPI_AttributeDouble.h>
  46 #include <ModelAPI_AttributeInteger.h>
  47 #include <ModelAPI_AttributeRefAttr.h>
  48 #include <ModelAPI_AttributeRefList.h>
  49 #include <ModelAPI_AttributeSelectionList.h>
  50 #include <ModelAPI_AttributeString.h>
  51 #include <ModelAPI_Session.h>
  52 #include <ModelAPI_Tools.h>
  53 #include <ModelAPI_ResultConstruction.h>
  54
  55 #include <ModelGeomAlgo_Point2D.h>
  56 #include <ModelGeomAlgo_Shape.h>
  57
  58 #include <GeomAlgoAPI_EdgeBuilder.h>
  59 #include <GeomAlgoAPI_ShapeTools.h>
  60
  61 #include <GeomAPI_Circ.h>
  62 #include <GeomAPI_Dir2d.h>
  63 #include <GeomAPI_Lin.h>
  64 #include <GeomAPI_Edge.h>
  65 #include <GeomAPI_Vertex.h>
  66 #include <GeomDataAPI_Point2D.h>
  67
  68 #include <algorithm>
  69 #include <cmath>
  70
  71 const double tolerance = 1.e-7;
  72
  73 bool SketchPlugin_DistanceAttrValidator::isValid(const AttributePtr& theAttribute,
  74                                                  const std::list<std::string>& theArguments,
  75                                                  Events_InfoMessage& theError) const
  76 {
  77   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
  78     theError = "The attribute with the %1 type is not processed";
  79     theError.arg(theAttribute->attributeType());
  80     return false;
  81   }
  82
  83   // there is a check whether the feature contains a point and a linear edge or two point values
  84   std::string aParamA = theArguments.front();
  85   SessionPtr aMgr = ModelAPI_Session::get();
  86   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
  87
  88   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  89                                                                       (theAttribute);
  90   bool isObject = aRefAttr->isObject();
  91   if (!isObject) {
  92     // an attribute is a point. A point value is valid always for the distance
  93     return true;
  94   } else {
  95     // 1. check whether the references object is a linear
  96     ObjectPtr anObject = aRefAttr->object();
  97
  98     const ModelAPI_AttributeValidator* aShapeValidator =
  99       dynamic_cast<const ModelAPI_AttributeValidator*>(
 100       aFactory->validator("GeomValidators_ShapeType"));
 101     std::list<std::string> anArguments;
 102     anArguments.push_back("circle");
 103     Events_InfoMessage aCircleError;
 104     bool aShapeValid = aShapeValidator->isValid(aRefAttr, anArguments, aCircleError);
 105     // the circle line is not a valid case
 106     if (aShapeValid) {
 107       theError = "Circle can not be used in distance constraint";
 108       return false;
 109     }
 110
 111     anArguments.clear();
 112     anArguments.push_back("line");
 113     Events_InfoMessage aLineError;
 114     aShapeValid = aShapeValidator->isValid(aRefAttr, anArguments, aLineError);
 115     // if the attribute value is not a line, that means it is a vertex. A vertex is always valid
 116     if (aShapeValid) {
 117       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 118       // If it is a line then we have to check that first attribute id not a line
 119       std::shared_ptr<SketchPlugin_Feature> aSFeature =
 120         std::dynamic_pointer_cast<SketchPlugin_Feature>(theAttribute->owner());
 121       SketchPlugin_Sketch* aSketch = aSFeature->sketch();
 122       std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(aSketch);
 123       std::shared_ptr<GeomDataAPI_Point2D> aPoint = SketcherPrs_Tools::getFeaturePoint(
 124         aFeature->data(), aParamA, aPlane);
 125       if (!aPoint.get()) {
 126         theError = "One of parameters of distance constraint should be a point";
 127         return false;
 128       }
 129     }
 130   }
 131   return true;
 132 }
 133
 134 bool SketchPlugin_TangentAttrValidator::isValid(const AttributePtr& theAttribute,
 135                                                 const std::list<std::string>& theArguments,
 136                                                 Events_InfoMessage& theError) const
 137 {
 138   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
 139     theError = "The attribute with the %1 type is not processed";
 140     theError.arg(theAttribute->attributeType());
 141     return false;
 142   }
 143
 144   // there is a check whether the feature contains a point and a linear edge or two point values
 145   std::string aParamA = theArguments.front();
 146   SessionPtr aMgr = ModelAPI_Session::get();
 147   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 148
 149   FeaturePtr anAttributeFeature =
 150     std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 151   AttributeRefAttrPtr aRefAttr =
 152     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 153
 154   bool isObject = aRefAttr->isObject();
 155   ObjectPtr anObject = aRefAttr->object();
 156   if (isObject && anObject.get()) {
 157     FeaturePtr aRefFea = ModelAPI_Feature::feature(anObject);
 158
 159     AttributeRefAttrPtr aOtherAttr = anAttributeFeature->data()->refattr(aParamA);
 160     ObjectPtr aOtherObject = aOtherAttr->object();
 161     FeaturePtr aOtherFea = ModelAPI_Feature::feature(aOtherObject);
 162     if (!aOtherFea)
 163       return true;
 164
 165     if (aRefFea->getKind() == SketchPlugin_Line::ID()) {
 166       if (aOtherFea->getKind() != SketchPlugin_Arc::ID() &&
 167           aOtherFea->getKind() != SketchPlugin_Circle::ID()) {
 168         theError = "It refers to a %1, but %2 is neither an %3 nor %4";
 169         theError.arg(SketchPlugin_Line::ID()).arg(aParamA)
 170             .arg(SketchPlugin_Arc::ID()).arg(SketchPlugin_Circle::ID());
 171         return false;
 172       }
 173     }
 174     else if (aRefFea->getKind() == SketchPlugin_Arc::ID() ||
 175              aRefFea->getKind() == SketchPlugin_Circle::ID()) {
 176       if (aOtherFea->getKind() != SketchPlugin_Line::ID() &&
 177           aOtherFea->getKind() != SketchPlugin_Arc::ID() &&
 178           aOtherFea->getKind() != SketchPlugin_Circle::ID()) {
 179         theError = "It refers to an %1, but %2 is not a %3 or an %4 or a %5";
 180         theError.arg(SketchPlugin_Arc::ID()).arg(aParamA)
 181             .arg(SketchPlugin_Line::ID()).arg(SketchPlugin_Arc::ID())
 182             .arg(SketchPlugin_Circle::ID());
 183         return false;
 184       }
 185     }
 186     else {
 187       theError = "It refers to %1, but should refer to %2 or %3 or %4";
 188       theError.arg(aRefFea->getKind()).arg(SketchPlugin_Line::ID())
 189           .arg(SketchPlugin_Arc::ID()).arg(SketchPlugin_Circle::ID());
 190       return false;
 191     }
 192     return true;
 193   }
 194   else {
 195     theError = "It uses an empty object";
 196     return false;
 197   }
 198
 199   return true;
 200 }
 201
 202 bool SketchPlugin_NotFixedValidator::isValid(const AttributePtr& theAttribute,
 203                                              const std::list<std::string>& theArguments,
 204                                              Events_InfoMessage& theError) const
 205 {
 206   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
 207     theError = "The attribute with the %1 type is not processed";
 208     theError.arg(theAttribute->attributeType());
 209     return false;
 210   }
 211
 212   std::shared_ptr<SketchPlugin_Feature> aFeature =
 213       std::dynamic_pointer_cast<SketchPlugin_Feature>(theAttribute->owner());
 214   if (!aFeature)
 215     return true;
 216
 217   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 218
 219   SketchPlugin_Sketch* aSketch = aFeature->sketch();
 220   int aNbFeatures = aSketch->numberOfSubs();
 221   for (int anInd = 0; anInd < aNbFeatures; anInd++) {
 222     FeaturePtr aSubFeature = aSketch->subFeature(anInd);
 223     if (aSubFeature->getKind() != SketchPlugin_ConstraintRigid::ID() || aSubFeature == aFeature)
 224       continue;
 225     AttributeRefAttrPtr aRAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 226         aSubFeature->attribute(SketchPlugin_ConstraintRigid::ENTITY_A()));
 227     if (aRefAttr->isObject()) {
 228       if (aRefAttr->object() == aRAttr->object()) {
 229         ObjectPtr anObject = aRefAttr->object();
 230         std::string aName = anObject.get() ? anObject->data()->name() : "";
 231         theError = "The object %1 has been already fixed.";
 232         theError.arg(aName);
 233         return false;
 234       }
 235     }
 236     else if (aRefAttr->attr() == aRAttr->attr()) {
 237       AttributePtr anAttribute = aRefAttr->attr();
 238       std::string aName = anAttribute.get() ? anAttribute->id() : "";
 239       theError = "The attribute %1 has been already fixed.";
 240       theError.arg(aName);
 241       return false;
 242     }
 243   }
 244   return true;
 245 }
 246
 247 bool SketchPlugin_EqualAttrValidator::isValid(const AttributePtr& theAttribute,
 248                                               const std::list<std::string>& theArguments,
 249                                               Events_InfoMessage& theError) const
 250 {
 251   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
 252     theError = "The attribute with the %1 type is not processed";
 253     theError.arg(theAttribute->attributeType());
 254     return false;
 255   }
 256
 257   std::string aParamA = theArguments.front();
 258   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 259   AttributeRefAttrPtr aRefAttr[2];
 260   aRefAttr[0] = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 261   aRefAttr[1] = aFeature->data()->refattr(aParamA);
 262
 263   if (!aRefAttr[0]->isObject() || !aRefAttr[1]->isObject()) {
 264     theError = "Attributes can not be used in equal constraint";
 265     return false;
 266   }
 267
 268   std::string aType[2];
 269   std::list<std::string> anArguments;
 270   for (int i = 0; i < 2; i++) {
 271     ObjectPtr anObject = aRefAttr[i]->object();
 272     if (!anObject.get()) {
 273       theError = "An empty object is used.";
 274       return false;
 275     }
 276
 277     aFeature = ModelAPI_Feature::feature(anObject);
 278     if (!aFeature.get()) {
 279       theError = "An empty feature is used.";
 280       return false;
 281     }
 282
 283     aType[i] = aFeature->getKind();
 284     if (aFeature->getKind() != SketchPlugin_Line::ID() &&
 285         aFeature->getKind() != SketchPlugin_Circle::ID() &&
 286         aFeature->getKind() != SketchPlugin_Arc::ID()) {
 287       theError = "The %1 feature kind of attribute is wrong. It should be %2 or %3 or %4";
 288       theError.arg(aFeature->getKind()).arg(SketchPlugin_Line::ID())
 289           .arg(SketchPlugin_Circle::ID()).arg(SketchPlugin_Arc::ID());
 290       // wrong type of attribute
 291       return false;
 292     }
 293   }
 294
 295   if ((aType[0] == SketchPlugin_Line::ID() || aType[1] == SketchPlugin_Line::ID()) &&
 296       aType[0] != aType[1]) {
 297     theError = "Feature with kinds %1 and %2 can not be equal.";
 298     theError.arg(aType[0]).arg(aType[1]);
 299     return false;
 300   }
 301   return true;
 302 }
 303
 304 bool SketchPlugin_MirrorAttrValidator::isValid(const AttributePtr& theAttribute,
 305                                                const std::list<std::string>& theArguments,
 306                                                Events_InfoMessage& theError) const
 307 {
 308   if (theAttribute->attributeType() != ModelAPI_AttributeRefList::typeId()) {
 309     theError = "The attribute with the %1 type is not processed";
 310     theError.arg(theAttribute->attributeType());
 311     return false;
 312   }
 313
 314   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 315   AttributeRefListPtr aSelAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 316
 317   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 318       aFeature->attribute(SketchPlugin_Constraint::ENTITY_C()));
 319   std::list<ObjectPtr> aMirroredObjects = aRefListOfMirrored->list();
 320
 321   for(int anInd = 0; anInd < aSelAttr->size(); anInd++) {
 322     ObjectPtr aSelObject = aSelAttr->object(anInd);
 323     std::string aName = aSelObject.get() ? aSelObject->data()->name() : "";
 324     std::list<ObjectPtr>::iterator aMirIter = aMirroredObjects.begin();
 325     for (; aMirIter != aMirroredObjects.end(); aMirIter++)
 326       if (aSelObject == *aMirIter) {
 327         theError = "The object %1 is a result of mirror";
 328         theError.arg(aName);
 329         return false;
 330       }
 331   }
 332   return true;
 333 }
 334
 335 bool SketchPlugin_CoincidenceAttrValidator::isValid(const AttributePtr& theAttribute,
 336                                                     const std::list<std::string>& theArguments,
 337                                                     Events_InfoMessage& theError) const
 338 {
 339   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
 340     theError = "The attribute with the %1 type is not processed";
 341     theError.arg(theAttribute->attributeType());
 342     return false;
 343   }
 344
 345   // there is a check whether the feature contains a point and a linear edge or two point values
 346   std::string aParamA = theArguments.front();
 347   SessionPtr aMgr = ModelAPI_Session::get();
 348   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 349
 350   FeaturePtr aConstraint = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 351   AttributeRefAttrPtr aRefAttrA = aConstraint->data()->refattr(aParamA);
 352   if (!aRefAttrA) {
 353     theError = "The %1 attribute should be %2";
 354     theError.arg(aParamA).arg(ModelAPI_AttributeRefAttr::typeId());
 355     return false;
 356   }
 357
 358   AttributeRefAttrPtr aRefAttrB =
 359     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 360
 361   // first attribute is a point, it may coincide with any object
 362   if (!aRefAttrA->isObject())
 363     return true;
 364   else {
 365     ObjectPtr anObject = aRefAttrA->object();
 366     if (!anObject.get()) {
 367       theError = "%1 attribute has an empty object";
 368       theError.arg(aParamA);
 369       return false;
 370     }
 371     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttrA->object());
 372     if (!aFeature.get()) {
 373       theError = "%1 attribute has an empty feature";
 374       theError.arg(aParamA);
 375       return false;
 376     }
 377
 378     if (aFeature->getKind() == SketchPlugin_Point::ID())
 379       return true;
 380   }
 381
 382   // second attribute is a point, it may coincide with any object
 383   if (!aRefAttrB->isObject())
 384     return true;
 385   else {
 386     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttrB->object());
 387     if (!aFeature) {
 388       theError = "%1 attribute has an empty object";
 389       theError.arg(theAttribute->id());
 390       return false;
 391     }
 392     if (aFeature->getKind() == SketchPlugin_Point::ID())
 393       return true;
 394   }
 395   theError = "There is no an attribute filled by a point";
 396   return false;
 397 }
 398
 399
 400 bool SketchPlugin_CopyValidator::isValid(const AttributePtr& theAttribute,
 401                                          const std::list<std::string>& theArguments,
 402                                          Events_InfoMessage& theError) const
 403 {
 404   if (theAttribute->attributeType() != ModelAPI_AttributeRefList::typeId()) {
 405     theError = "The attribute with the %1 type is not processed";
 406     theError.arg(theAttribute->attributeType());
 407     return false;
 408   }
 409
 410   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 411   AttributeRefListPtr aSelAttr =
 412     std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 413
 414   AttributeRefListPtr aRefListOfInitial = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 415       aFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
 416   AttributeRefListPtr aRefListOfCopied = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 417       aFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
 418   std::list<ObjectPtr> anInitialObjects = aRefListOfInitial->list();
 419   std::list<ObjectPtr> aCopiedObjects = aRefListOfCopied->list();
 420
 421   std::list<ObjectPtr>::iterator anObjIter;
 422   for(int anInd = 0; anInd < aSelAttr->size(); anInd++) {
 423     ObjectPtr aSelObject = aSelAttr->object(anInd);
 424     anObjIter = anInitialObjects.begin();
 425     for (; anObjIter != anInitialObjects.end(); anObjIter++)
 426       if (aSelObject == *anObjIter)
 427         break;
 428     if (anObjIter != anInitialObjects.end())
 429       continue;
 430     anObjIter = aCopiedObjects.begin();
 431     for (; anObjIter != aCopiedObjects.end(); anObjIter++)
 432       if (aSelObject == *anObjIter) {
 433         std::string aName = aSelObject.get() ? aSelObject->data()->name() : "";
 434         theError = "The object %1 is a result of copy";
 435         theError.arg(aName);
 436         return false;
 437       }
 438   }
 439   return true;
 440 }
 441
 442 bool SketchPlugin_SolverErrorValidator::isValid(
 443   const std::shared_ptr<ModelAPI_Feature>& theFeature,
 444   const std::list<std::string>& theArguments,
 445   Events_InfoMessage& theError) const
 446 {
 447   AttributeStringPtr aAttributeString = theFeature->string(SketchPlugin_Sketch::SOLVER_ERROR());
 448
 449   if (!aAttributeString->value().empty()) {
 450     theError = aAttributeString->value();
 451     return false;
 452   }
 453
 454   return true;
 455 }
 456
 457 bool SketchPlugin_SolverErrorValidator::isNotObligatory(std::string theFeature,
 458                                                         std::string theAttribute)
 459 {
 460   return true;
 461 }
 462
 463 static bool hasSameTangentFeature(const std::set<AttributePtr>& theRefsList,
 464                                   const FeaturePtr theFeature)
 465 {
 466   for(std::set<AttributePtr>::const_iterator
 467       anIt = theRefsList.cbegin(); anIt != theRefsList.cend(); ++anIt) {
 468     std::shared_ptr<ModelAPI_Attribute> aAttr = (*anIt);
 469     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 470     if (!aFeature)
 471       continue;
 472     if (aFeature->getKind() == SketchPlugin_ConstraintTangent::ID()) {
 473       AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 474         aFeature->attribute(SketchPlugin_ConstraintTangent::ENTITY_A()));
 475       AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 476         aFeature->attribute(SketchPlugin_ConstraintTangent::ENTITY_B()));
 477       if(anAttrRefA.get()) {
 478         ResultPtr aResA = std::dynamic_pointer_cast<ModelAPI_Result>(anAttrRefA->object());
 479         if(aResA.get()) {
 480           DocumentPtr aDoc = aResA->document();
 481           if(aDoc.get()) {
 482             FeaturePtr aFeatureA = aDoc->feature(aResA);
 483             if(aFeatureA.get() && aFeatureA == theFeature) {
 484               return true;
 485             }
 486           }
 487         }
 488       }
 489       if(anAttrRefB.get()) {
 490         ResultPtr aResB = std::dynamic_pointer_cast<ModelAPI_Result>(anAttrRefB->object());
 491         if(aResB.get()) {
 492           DocumentPtr aDoc = aResB->document();
 493           if(aDoc.get()) {
 494             FeaturePtr aFeatureB = aDoc->feature(aResB);
 495             if(aFeatureB.get() && aFeatureB == theFeature) {
 496               return true;
 497             }
 498           }
 499         }
 500       }
 501     }
 502   }
 503   return false;
 504 }
 505
 506 static bool isPointPointCoincidence(const FeaturePtr& theCoincidence)
 507 {
 508   AttributeRefAttrPtr aRefAttr[2] = {
 509       theCoincidence->refattr(SketchPlugin_Constraint::ENTITY_A()),
 510       theCoincidence->refattr(SketchPlugin_Constraint::ENTITY_B())
 511   };
 512
 513   bool arePoints = true;
 514   for (int i = 0; i < 2 && arePoints; ++i) {
 515     if (aRefAttr[i]->isObject()) {
 516       FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr[i]->object());
 517       arePoints = aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID();
 518     } else
 519       arePoints = aRefAttr[i]->attr().get() != NULL;
 520   }
 521   return arePoints;
 522 }
 523
 524 bool SketchPlugin_FilletVertexValidator::isValid(const AttributePtr& theAttribute,
 525                                                  const std::list<std::string>& theArguments,
 526                                                  Events_InfoMessage& theError) const
 527 {
 528   AttributeRefAttrPtr aPointRefAttr =
 529     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 530   if(!aPointRefAttr.get()) {
 531     theError = "Error: Point not selected.";
 532     return false;
 533   }
 534
 535   AttributePtr aPointAttribute = aPointRefAttr->attr();
 536   if (!aPointAttribute.get()) {
 537     theError = "Error: Bad point selected.";
 538     return false;
 539   }
 540   std::shared_ptr<GeomAPI_Pnt2d> aSelectedPnt =
 541     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointAttribute)->pnt();
 542
 543   // Obtain constraint coincidence for the fillet point.
 544   const std::set<AttributePtr>& aRefsList = aPointAttribute->owner()->data()->refsToMe();
 545   FeaturePtr aConstraintCoincidence;
 546   for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin();
 547       anIt != aRefsList.cend(); ++anIt) {
 548     std::shared_ptr<ModelAPI_Attribute> aAttr = (*anIt);
 549     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 550     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 551       if (!isPointPointCoincidence(aConstrFeature))
 552         continue;
 553
 554       AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 555         aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
 556       AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 557         aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
 558
 559       AttributePtr anAttrA = anAttrRefA->attr();
 560       if(aPointAttribute == anAttrA) {
 561         aConstraintCoincidence = aConstrFeature;
 562         break;
 563       }
 564
 565       AttributePtr anAttrB = anAttrRefB->attr();
 566       if(aPointAttribute == anAttrB) {
 567         aConstraintCoincidence = aConstrFeature;
 568         break;
 569       }
 570     }
 571   }
 572
 573   if(!aConstraintCoincidence.get()) {
 574     theError = "Error: one of the selected point does not have coicidence.";
 575     return false;
 576   }
 577
 578   // Get coincides from constraint.
 579   std::set<FeaturePtr> aCoinsides;
 580   SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
 581                                         SketchPlugin_ConstraintCoincidence::ENTITY_A(),
 582                                         aCoinsides,
 583                                         true);
 584   SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
 585                                         SketchPlugin_ConstraintCoincidence::ENTITY_B(),
 586                                         aCoinsides,
 587                                         true);
 588
 589   // Remove points and external lines from set of coincides.
 590   std::set<FeaturePtr> aNewSetOfCoincides;
 591   for(std::set<FeaturePtr>::iterator anIt = aCoinsides.begin();
 592       anIt != aCoinsides.end(); ++anIt) {
 593     std::shared_ptr<SketchPlugin_SketchEntity> aSketchEntity =
 594       std::dynamic_pointer_cast<SketchPlugin_SketchEntity>(*anIt);
 595     if(aSketchEntity.get() && (aSketchEntity->isCopy() || aSketchEntity->isExternal())) {
 596       continue;
 597     }
 598     if((*anIt)->getKind() != SketchPlugin_Line::ID() &&
 599         (*anIt)->getKind() != SketchPlugin_Arc::ID()) {
 600           continue;
 601     }
 602     if((*anIt)->getKind() == SketchPlugin_Arc::ID()) {
 603       AttributePtr anArcCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
 604       std::shared_ptr<GeomAPI_Pnt2d> anArcCenterPnt =
 605         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anArcCenter)->pnt();
 606       double aDistSelectedArcCenter = aSelectedPnt->distance(anArcCenterPnt);
 607       if(aDistSelectedArcCenter < tolerance) {
 608         continue;
 609       }
 610     }
 611     aNewSetOfCoincides.insert(*anIt);
 612   }
 613   aCoinsides = aNewSetOfCoincides;
 614
 615   // If we still have more than two coincides remove auxilary entities from set of coincides.
 616   if(aCoinsides.size() > 2) {
 617     aNewSetOfCoincides.clear();
 618     for(std::set<FeaturePtr>::iterator anIt = aCoinsides.begin();
 619         anIt != aCoinsides.end(); ++anIt) {
 620       if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
 621         aNewSetOfCoincides.insert(*anIt);
 622       }
 623     }
 624     aCoinsides = aNewSetOfCoincides;
 625   }
 626
 627   if(aCoinsides.size() != 2) {
 628     theError = "Error: One of the selected points does not have two suitable edges for fillet.";
 629     return false;
 630   }
 631
 632   // Check that selected edges don't have tangent constraint.
 633   std::set<FeaturePtr>::iterator anIt = aCoinsides.begin();
 634   FeaturePtr aFirstFeature = *anIt++;
 635   FeaturePtr aSecondFeature = *anIt;
 636   const std::set<AttributePtr>& aFirstFeatureRefsList = aFirstFeature->data()->refsToMe();
 637   if(hasSameTangentFeature(aFirstFeatureRefsList, aSecondFeature)) {
 638     theError = "Error: Edges in selected point has tangent constraint.";
 639     return false;
 640   }
 641
 642   std::list<ResultPtr> aFirstResults = aFirstFeature->results();
 643   for(std::list<ResultPtr>::iterator aResIt = aFirstResults.begin();
 644       aResIt != aFirstResults.end(); ++aResIt) {
 645     ResultPtr aRes = *aResIt;
 646     const std::set<AttributePtr>& aResRefsList = aRes->data()->refsToMe();
 647     if(hasSameTangentFeature(aResRefsList, aSecondFeature)) {
 648       theError = "Error: Edges in selected point has tangent constraint.";
 649       return false;
 650     }
 651   }
 652
 653   // Check the features are not tangent
 654   std::shared_ptr<GeomAPI_Shape> aFirstShape = aFirstFeature->lastResult()->shape();
 655   std::shared_ptr<GeomAPI_Shape> aSecondShape = aSecondFeature->lastResult()->shape();
 656   if (!aFirstShape || !aFirstShape->isEdge() ||
 657       !aSecondShape || !aSecondShape->isEdge()) {
 658     theError = "Error: At least on of the features is not an edge";
 659     return false;
 660   }
 661
 662   std::shared_ptr<GeomAPI_Edge> anEdge1 = std::dynamic_pointer_cast<GeomAPI_Edge>(aFirstShape);
 663   std::shared_ptr<GeomAPI_Edge> anEdge2 = std::dynamic_pointer_cast<GeomAPI_Edge>(aSecondShape);
 664
 665   static const double TOL = 1.e-7;
 666   if (anEdge1->isLine() && anEdge2->isLine()) {
 667     // Check that lines not collinear
 668     std::shared_ptr<GeomAPI_Dir> aDir1 = anEdge1->line()->direction();
 669     std::shared_ptr<GeomAPI_Dir> aDir2 = anEdge2->line()->direction();
 670     double aCross = aDir1->cross(aDir2)->squareModulus();
 671     if (aCross < TOL * TOL)
 672       return false;
 673   } else if (anEdge1->isArc() && anEdge2->isArc()) {
 674     // check the circles are not tangent
 675     std::shared_ptr<GeomAPI_Circ> aCirc1 = anEdge1->circle();
 676     std::shared_ptr<GeomAPI_Circ> aCirc2 = anEdge2->circle();
 677     double aDistCC = aCirc1->center()->distance(aCirc2->center());
 678     double aRadSum = aCirc1->radius() + aCirc2->radius();
 679     double aRadDiff = fabs(aCirc1->radius() - aCirc2->radius());
 680     if (fabs(aDistCC - aRadSum) < TOL || fabs(aDistCC - aRadDiff) < TOL)
 681       return false;
 682   } else {
 683     // check whether line and arc are tangent
 684     std::shared_ptr<GeomAPI_Circ> aCirc;
 685     std::shared_ptr<GeomAPI_Lin> aLine;
 686     if (anEdge1->isLine()) {
 687       aLine = anEdge1->line();
 688       aCirc = anEdge2->circle();
 689     } else {
 690       aCirc = anEdge1->circle();
 691       aLine = anEdge2->line();
 692     }
 693
 694     double aDistCL = aLine->distance(aCirc->center());
 695     if (fabs(aDistCL - aCirc->radius()) < TOL)
 696       return false;
 697   }
 698
 699   return true;
 700 }
 701
 702 bool SketchPlugin_MiddlePointAttrValidator::isValid(const AttributePtr& theAttribute,
 703                                                     const std::list<std::string>& theArguments,
 704                                                     Events_InfoMessage& theError) const
 705 {
 706   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
 707     theError = "The attribute with the %1 type is not processed";
 708     theError.arg(theAttribute->attributeType());
 709     return false;
 710   }
 711
 712   // there is a check whether the feature contains a point and a linear edge or two point values
 713   std::string aParamA = theArguments.front();
 714   SessionPtr aMgr = ModelAPI_Session::get();
 715   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 716
 717   FeaturePtr anAttributeFeature =
 718     std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
 719   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 720   AttributeRefAttrPtr anOtherAttr = anAttributeFeature->data()->refattr(aParamA);
 721
 722   AttributeRefAttrPtr aRefAttrs[2] = {aRefAttr, anOtherAttr};
 723   int aNbPoints = 0;
 724   int aNbLines = 0;
 725   for (int i = 0; i < 2; ++i) {
 726     if (!aRefAttrs[i]->isObject())
 727       ++aNbPoints;
 728     else {
 729       FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttrs[i]->object());
 730       if (!aFeature) {
 731         if (aNbPoints + aNbLines != 0)
 732           return true;
 733         else continue;
 734       }
 735
 736       if (aFeature->getKind() == SketchPlugin_Point::ID())
 737         ++aNbPoints;
 738       else if (aFeature->getKind() == SketchPlugin_Line::ID())
 739         ++aNbLines;
 740     }
 741   }
 742
 743   if (aNbPoints != 1 || aNbLines != 1) {
 744     theError = "Middle point constraint allows points and lines only";
 745     return false;
 746   }
 747   return true;
 748 }
 749
 750 bool SketchPlugin_ArcTangentPointValidator::isValid(const AttributePtr& theAttribute,
 751                                                     const std::list<std::string>& /*theArguments*/,
 752                                                     Events_InfoMessage& theError) const
 753 {
 754   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
 755     theError = "The attribute with the %1 type is not processed";
 756     theError.arg(theAttribute->attributeType());
 757     return false;
 758   }
 759   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 760   AttributePtr anAttr = aRefAttr->attr();
 761   if (!anAttr) {
 762     theError = "The attribute %1 should be a point";
 763     theError.arg(theAttribute->id());
 764     return false;
 765   }
 766
 767   FeaturePtr anAttrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
 768   const std::string& aFeatureType = anAttrFeature->getKind();
 769   if (aFeatureType == SketchPlugin_Arc::ID()) {
 770     // selected point should not be a center of arc
 771     const std::string& aPntId = anAttr->id();
 772     if (aPntId != SketchPlugin_Arc::START_ID() && aPntId != SketchPlugin_Arc::END_ID()) {
 773       theError = "The attribute %1 is not supported";
 774       theError.arg(aPntId);
 775       return false;
 776     }
 777   }
 778   else if (aFeatureType == SketchPlugin_Line::ID()) {
 779     // selected point should be bound point of line
 780     const std::string& aPntId = anAttr->id();
 781     if (aPntId != SketchPlugin_Line::START_ID() && aPntId != SketchPlugin_Line::END_ID()) {
 782       theError = "The attribute %1 is not supported";
 783       theError.arg(aPntId);
 784       return false;
 785     }
 786   }
 787   else {
 788     theError = "Unable to build tangent arc on %1";
 789     theError.arg(anAttrFeature->getKind());
 790     return false;
 791   }
 792
 793   return true;
 794 }
 795
 796 bool SketchPlugin_IntersectionValidator::isValid(const AttributePtr& theAttribute,
 797                                                  const std::list<std::string>& theArguments,
 798                                                  Events_InfoMessage& theError) const
 799 {
 800   if (theAttribute->attributeType() != ModelAPI_AttributeSelection::typeId()) {
 801     theError = "The attribute with the %1 type is not processed";
 802     theError.arg(theAttribute->attributeType());
 803     return false;
 804   }
 805   AttributeSelectionPtr anExternalAttr =
 806       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 807   std::shared_ptr<GeomAPI_Edge> anEdge;
 808   if (anExternalAttr && anExternalAttr->value() && anExternalAttr->value()->isEdge()) {
 809     anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(anExternalAttr->value()));
 810   } else if(anExternalAttr->context() && anExternalAttr->context()->shape() &&
 811             anExternalAttr->context()->shape()->isEdge()) {
 812     anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(anExternalAttr->context()->shape()));
 813   }
 814
 815   if (!anEdge) {
 816     theError = "The attribute %1 should be an edge";
 817     theError.arg(theAttribute->id());
 818     return false;
 819   }
 820
 821   // find a sketch
 822   std::shared_ptr<SketchPlugin_Sketch> aSketch;
 823   std::set<AttributePtr> aRefs = anExternalAttr->owner()->data()->refsToMe();
 824   std::set<AttributePtr>::const_iterator anIt = aRefs.begin();
 825   for (; anIt != aRefs.end(); ++anIt) {
 826     CompositeFeaturePtr aComp =
 827         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>((*anIt)->owner());
 828     if (aComp && aComp->getKind() == SketchPlugin_Sketch::ID()) {
 829       aSketch = std::dynamic_pointer_cast<SketchPlugin_Sketch>(aComp);
 830       break;
 831     }
 832   }
 833   if (!aSketch) {
 834     theError = "There is no sketch referring to the current feature";
 835     return false;
 836   }
 837
 838   // check the edge is intersected with sketch plane
 839   std::shared_ptr<GeomAPI_Pln> aPlane = aSketch->plane();
 840
 841   std::list<GeomPointPtr> anIntersectionsPoints;
 842   anEdge->intersectWithPlane(aPlane, anIntersectionsPoints);
 843   if (anIntersectionsPoints.empty()) {
 844     theError = "The edge is not intersected with sketch plane";
 845     return false;
 846   }
 847   return true;
 848 }
 849
 850 bool SketchPlugin_SplitValidator::isValid(const AttributePtr& theAttribute,
 851                                           const std::list<std::string>& theArguments,
 852                                           Events_InfoMessage& theError) const
 853 {
 854   bool aValid = false;
 855
 856   if (theAttribute->attributeType() != ModelAPI_AttributeReference::typeId()) {
 857     theError = "The attribute with the %1 type is not processed";
 858     theError.arg(theAttribute->attributeType());
 859     return aValid;
 860   }
 861   AttributeReferencePtr aFeatureAttr =
 862             std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 863
 864   ObjectPtr anAttrObject = aFeatureAttr->value();
 865   FeaturePtr anAttrFeature = ModelAPI_Feature::feature(anAttrObject);
 866   if (!anAttrFeature)
 867     return aValid;
 868
 869   std::string aKind = anAttrFeature->getKind();
 870   if (aKind == SketchPlugin_Line::ID() ||
 871       aKind == SketchPlugin_Arc::ID() ||
 872       aKind == SketchPlugin_Circle::ID()) {
 873
 874     std::set<ResultPtr> anEdgeShapes;
 875     ModelGeomAlgo_Shape::shapesOfType(anAttrFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
 876     if (anEdgeShapes.empty() || anEdgeShapes.size() > 1 /*there case has not existed yet*/)
 877       return aValid;
 878
 879     // coincidences to the feature
 880     std::set<std::shared_ptr<GeomDataAPI_Point2D> > aRefAttributes;
 881     ModelGeomAlgo_Point2D::getPointsOfReference(anAttrFeature,
 882                         SketchPlugin_ConstraintCoincidence::ID(),
 883                         aRefAttributes, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
 884
 885     GeomShapePtr anAttrShape = (*anEdgeShapes.begin())->shape();
 886     std::shared_ptr<SketchPlugin_Feature> aSFeature =
 887                                  std::dynamic_pointer_cast<SketchPlugin_Feature>(anAttrFeature);
 888     SketchPlugin_Sketch* aSketch = aSFeature->sketch();
 889
 890     std::shared_ptr<ModelAPI_Data> aData = aSketch->data();
 891     std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 892         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 893     std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 894         aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 895     std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 896         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 897     std::shared_ptr<GeomAPI_Dir> aDirY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 898
 899     typedef std::map<std::shared_ptr<GeomAPI_Pnt>,
 900                      std::pair<std::list<std::shared_ptr<GeomDataAPI_Point2D> >,
 901                                std::list<std::shared_ptr<ModelAPI_Object> > > > PointToRefsMap;
 902     PointToRefsMap aPointsInfo;
 903
 904     ModelGeomAlgo_Point2D::getPointsInsideShape(anAttrShape, aRefAttributes, aC->pnt(),
 905                                                 aX->dir(), aDirY, aPointsInfo);
 906     int aCoincidentToFeature = (int)aPointsInfo.size();
 907     if (aKind == SketchPlugin_Circle::ID())
 908       aValid = aCoincidentToFeature >= 2;
 909     else
 910       aValid = aCoincidentToFeature >= 1;
 911   }
 912
 913   return aValid;
 914 }
 915
 916 bool SketchPlugin_TrimValidator::isValid(const AttributePtr& theAttribute,
 917                                          const std::list<std::string>& theArguments,
 918                                          Events_InfoMessage& theError) const
 919 {
 920   bool aValid = false;
 921
 922   if (theAttribute->attributeType() != ModelAPI_AttributeReference::typeId()) {
 923     theError = "The attribute with the %1 type is not processed";
 924     theError.arg(theAttribute->attributeType());
 925     return aValid;
 926   }
 927   AttributeReferencePtr aBaseObjectAttr =
 928             std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 929
 930   std::shared_ptr<SketchPlugin_Feature> aTrimFeature =
 931                  std::dynamic_pointer_cast<SketchPlugin_Feature>(theAttribute->owner());
 932
 933   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 934   if (!aBaseObject) {
 935     AttributePtr aPreviewAttr = aTrimFeature->attribute(SketchPlugin_Trim::PREVIEW_OBJECT());
 936     aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(aPreviewAttr);
 937     aBaseObject = aBaseObjectAttr->value();
 938   }
 939
 940   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObject);
 941   if (!aBaseFeature)
 942     return aValid;
 943
 944   std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
 945                                  std::dynamic_pointer_cast<SketchPlugin_Feature>(aBaseFeature);
 946   if (!aSketchFeature.get() || aSketchFeature->isCopy())
 947     return aValid;
 948
 949   std::string aKind = aBaseFeature->getKind();
 950   if (aKind != SketchPlugin_Line::ID() &&
 951       aKind != SketchPlugin_Arc::ID() &&
 952       aKind != SketchPlugin_Circle::ID())
 953     return aValid;
 954
 955   // point on feature
 956   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 957                        aTrimFeature->data()->attribute(SketchPlugin_Trim::PREVIEW_POINT()));
 958
 959   SketchPlugin_Sketch* aSketch = aTrimFeature->sketch();
 960
 961   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
 962   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = aSketch->to3D(anAttributePnt2d->x(),
 963                                                               anAttributePnt2d->y());
 964
 965   std::map<ObjectPtr, std::set<GeomShapePtr> > aCashedShapes;
 966   std::map<ObjectPtr, std::map<std::shared_ptr<GeomAPI_Pnt>,
 967            std::pair<std::list<std::shared_ptr<GeomDataAPI_Point2D> >,
 968                      std::list<std::shared_ptr<ModelAPI_Object> > > > > anObjectToPoints;
 969   SketchPlugin_Trim::fillObjectShapes(aBaseObject, aSketch->data()->owner(),
 970                                       aCashedShapes, anObjectToPoints);
 971   const std::set<GeomShapePtr>& aShapes = aCashedShapes[aBaseObject];
 972
 973   return aShapes.size() > 1;
 974 }
 975
 976 bool SketchPlugin_ProjectionValidator::isValid(const AttributePtr& theAttribute,
 977                                                const std::list<std::string>& theArguments,
 978                                                Events_InfoMessage& theError) const
 979 {
 980   if (theAttribute->attributeType() != ModelAPI_AttributeSelection::typeId()) {
 981     theError = "The attribute with the %1 type is not processed";
 982     theError.arg(theAttribute->attributeType());
 983     return false;
 984   }
 985
 986   AttributeSelectionPtr aFeatureAttr =
 987       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 988   std::shared_ptr<GeomAPI_Edge> anEdge;
 989   std::shared_ptr<SketchPlugin_Feature> aSketchFeature;
 990   if (aFeatureAttr.get()) {
 991     GeomShapePtr aVal = aFeatureAttr->value();
 992     ResultPtr aRes = aFeatureAttr->context();
 993     if (aVal && aVal->isVertex())
 994       return true; // vertex is always could be projected
 995     if (aVal && aVal->isEdge()) {
 996       anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aFeatureAttr->value()));
 997     } else if(aRes && aRes->shape()) {
 998       if (aRes->shape()->isVertex())
 999         return true; // vertex is always could be projected
1000       else if (aRes->shape()->isEdge())
1001         anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aFeatureAttr->context()->shape()));
1002     }
1003
1004     // try to convert result to sketch feature
1005     if (aRes) {
1006       aSketchFeature =
1007         std::dynamic_pointer_cast<SketchPlugin_Feature>(ModelAPI_Feature::feature(aRes));
1008     }
1009   }
1010   if (!anEdge) {
1011     theError = "The attribute %1 should be an edge or vertex";
1012     theError.arg(theAttribute->id());
1013     return false;
1014   }
1015
1016   // find a sketch
1017   std::shared_ptr<SketchPlugin_Sketch> aSketch;
1018   std::set<AttributePtr> aRefs = theAttribute->owner()->data()->refsToMe();
1019   std::set<AttributePtr>::const_iterator anIt = aRefs.begin();
1020   for (; anIt != aRefs.end(); ++anIt) {
1021     CompositeFeaturePtr aComp =
1022         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>((*anIt)->owner());
1023     if (aComp && aComp->getKind() == SketchPlugin_Sketch::ID()) {
1024       aSketch = std::dynamic_pointer_cast<SketchPlugin_Sketch>(aComp);
1025       break;
1026     }
1027   }
1028   if (!aSketch) {
1029     theError = "There is no sketch referring to the current feature";
1030     return false;
1031   }
1032   if (aSketchFeature && aSketch.get() == aSketchFeature->sketch()) {
1033     theError = "Unable to project feature from the same sketch";
1034     return false;
1035   }
1036
1037   std::shared_ptr<GeomAPI_Pln> aPlane = aSketch->plane();
1038   std::shared_ptr<GeomAPI_Dir> aNormal = aPlane->direction();
1039   std::shared_ptr<GeomAPI_Pnt> anOrigin = aPlane->location();
1040
1041   if (anEdge->isLine()) {
1042     std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
1043     std::shared_ptr<GeomAPI_Dir> aLineDir = aLine->direction();
1044     double aDot = fabs(aNormal->dot(aLineDir));
1045     bool aValid = fabs(aDot - 1.0) >= tolerance * tolerance;
1046     if (!aValid)
1047       theError = "Error: Edge is already in the sketch plane.";
1048     return aValid;
1049   }
1050   else if (anEdge->isCircle() || anEdge->isArc()) {
1051     std::shared_ptr<GeomAPI_Circ> aCircle = anEdge->circle();
1052     std::shared_ptr<GeomAPI_Dir> aCircNormal = aCircle->normal();
1053     double aDot = fabs(aNormal->dot(aCircNormal));
1054     bool aValid = fabs(aDot - 1.0) < tolerance * tolerance;
1055     if (!aValid)
1056       theError.arg(anEdge->isCircle() ? "Error: Cirlce is already in the sketch plane."
1057                                       : "Error: Arc is already in the sketch plane.");
1058     return aValid;
1059   }
1060
1061   theError = "Error: Selected object is not line, circle or arc.";
1062   return false;
1063 }
1064
1065
1066 static std::set<FeaturePtr> common(const std::set<FeaturePtr>& theSet1,
1067                                    const std::set<FeaturePtr>& theSet2)
1068 {
1069   std::set<FeaturePtr> aCommon;
1070   if (theSet1.empty() || theSet2.empty())
1071     return aCommon;
1072
1073   std::set<FeaturePtr>::const_iterator anIt2 = theSet2.begin();
1074   for (; anIt2 != theSet2.end(); ++anIt2)
1075     if (theSet1.find(*anIt2) != theSet1.end())
1076       aCommon.insert(*anIt2);
1077   return aCommon;
1078 }
1079
1080 bool SketchPlugin_DifferentReferenceValidator::isValid(
1081     const AttributePtr& theAttribute,
1082     const std::list<std::string>& theArguments,
1083     Events_InfoMessage& theError) const
1084 {
1085   FeaturePtr anOwner = ModelAPI_Feature::feature(theAttribute->owner());
1086
1087   int aNbFeaturesReferred = 0;
1088   int aNbAttributesReferred = 0;
1089   std::set<FeaturePtr> aCommonReferredFeatures;
1090
1091   // find all features referred by attributes listed in theArguments
1092   std::list<std::string>::const_iterator anArgIt = theArguments.begin();
1093   for (; anArgIt != theArguments.end(); ++anArgIt) {
1094     AttributeRefAttrPtr aRefAttr = anOwner->refattr(*anArgIt);
1095     if (!aRefAttr)
1096       continue;
1097
1098     std::set<FeaturePtr> aCoincidentFeatures;
1099     if (aRefAttr->isObject()) {
1100       FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
1101       if (aFeature) {
1102         aCoincidentFeatures.insert(aFeature);
1103         aNbFeaturesReferred += 1;
1104       }
1105     } else {
1106       AttributePoint2DPtr aPoint =
1107           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aRefAttr->attr());
1108       if (aPoint) {
1109         aCoincidentFeatures = SketchPlugin_Tools::findFeaturesCoincidentToPoint(aPoint);
1110         aNbAttributesReferred += 1;
1111       }
1112     }
1113
1114     if (aCommonReferredFeatures.empty())
1115       aCommonReferredFeatures = aCoincidentFeatures;
1116     else
1117       aCommonReferredFeatures = common(aCommonReferredFeatures, aCoincidentFeatures);
1118
1119     if (aCommonReferredFeatures.empty())
1120       return true;
1121   }
1122
1123   bool isOk = aNbFeaturesReferred < 1;
1124   if (aNbFeaturesReferred == 1) {
1125     if (aCommonReferredFeatures.size() == 1) {
1126       FeaturePtr aFeature = *aCommonReferredFeatures.begin();
1127       isOk = aNbAttributesReferred <= 1 ||
1128              aFeature->getKind() == SketchPlugin_Circle::ID() ||
1129              aFeature->getKind() == SketchPlugin_Arc::ID();
1130     } else
1131       isOk = false;
1132   }
1133
1134   if (!isOk)
1135     theError = "Attributes are referred to the same feature";
1136   return isOk;
1137 }
1138
1139 bool SketchPlugin_DifferentPointReferenceValidator::isValid(
1140     const AttributePtr& theAttribute,
1141     const std::list<std::string>& theArguments,
1142     Events_InfoMessage& theError) const
1143 {
1144   FeaturePtr anOwner = ModelAPI_Feature::feature(theAttribute->owner());
1145   std::set<AttributePoint2DPtr> aReferredCoincidentPoints;
1146
1147   // find all points referred by attributes listed in theArguments
1148   bool hasRefsToPoints = false;
1149   std::list<std::string>::const_iterator anArgIt = theArguments.begin();
1150   for (; anArgIt != theArguments.end(); ++anArgIt) {
1151     AttributeRefAttrPtr aRefAttr = anOwner->refattr(*anArgIt);
1152     if (!aRefAttr)
1153       continue;
1154
1155     if (!aRefAttr->isObject()) {
1156       AttributePoint2DPtr aPoint =
1157           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aRefAttr->attr());
1158       if (aReferredCoincidentPoints.empty())
1159         aReferredCoincidentPoints = SketchPlugin_Tools::findPointsCoincidentToPoint(aPoint);
1160       else if (aReferredCoincidentPoints.find(aPoint) == aReferredCoincidentPoints.end())
1161         return true; // non-coincident point has been found
1162       else
1163         hasRefsToPoints = true;
1164     }
1165   }
1166
1167   if (hasRefsToPoints)
1168     theError = "Attributes are referred to the same point";
1169   return !hasRefsToPoints;
1170 }
1171
1172 bool SketchPlugin_CirclePassedPointValidator::isValid(
1173     const AttributePtr& theAttribute,
1174     const std::list<std::string>&,
1175     Events_InfoMessage& theError) const
1176 {
1177   static const std::string aErrorMessage(
1178       "Passed point refers to the same feature as a center point");
1179
1180   FeaturePtr anOwner = ModelAPI_Feature::feature(theAttribute->owner());
1181
1182   AttributeRefAttrPtr aCenterRef =
1183       anOwner->refattr(SketchPlugin_MacroCircle::CENTER_POINT_REF_ID());
1184   AttributeRefAttrPtr aPassedRef =
1185       anOwner->refattr(SketchPlugin_MacroCircle::PASSED_POINT_REF_ID());
1186
1187   if (!aPassedRef->isObject())
1188     return true;
1189
1190   FeaturePtr aPassedFeature = ModelAPI_Feature::feature(aPassedRef->object());
1191   if (!aPassedFeature)
1192     return true;
1193
1194   if (aCenterRef->isObject()) {
1195     if (aCenterRef->object() == aPassedRef->object()) {
1196       theError = aErrorMessage;
1197       return false;
1198     }
1199   } else {
1200     AttributePoint2DPtr aCenterPoint =
1201         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aCenterRef->attr());
1202     if (aCenterPoint) {
1203       std::set<FeaturePtr> aCoincidentFeatures =
1204           SketchPlugin_Tools::findFeaturesCoincidentToPoint(aCenterPoint);
1205       // check one of coincident features is a feature referred by passed point
1206       std::set<FeaturePtr>::const_iterator anIt = aCoincidentFeatures.begin();
1207       for(; anIt != aCoincidentFeatures.end(); ++anIt)
1208         if (*anIt == aPassedFeature) {
1209           theError = aErrorMessage;
1210           return false;
1211         }
1212     }
1213   }
1214   return true;
1215 }
1216
1217 bool SketchPlugin_ThirdPointValidator::isValid(
1218     const AttributePtr& theAttribute,
1219     const std::list<std::string>& theArguments,
1220     Events_InfoMessage& theError) const
1221 {
1222   FeaturePtr anOwner = ModelAPI_Feature::feature(theAttribute->owner());
1223   return arePointsNotOnLine(anOwner, theError) &&
1224          arePointsNotSeparated(anOwner, theArguments, theError);
1225 }
1226
1227 static std::shared_ptr<GeomAPI_Pnt2d> toPoint(const FeaturePtr& theMacroCircle,
1228                                               const std::string& thePointAttrName,
1229                                               const std::string& theRefPointAttrName)
1230 {
1231   AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1232       theMacroCircle->attribute(thePointAttrName));
1233   AttributeRefAttrPtr aRefAttr = theMacroCircle->refattr(theRefPointAttrName);
1234
1235   std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
1236   if (aRefAttr) {
1237     if (aRefAttr->isObject()) {
1238       // project a point onto selected feature
1239       std::shared_ptr<SketchPlugin_Feature> aFeature =
1240           std::dynamic_pointer_cast<SketchPlugin_Feature>(
1241           ModelAPI_Feature::feature(aRefAttr->object()));
1242       if (aFeature) {
1243         SketchPlugin_Sketch* aSketch = aFeature->sketch();
1244         std::shared_ptr<GeomAPI_Edge> anEdge =
1245             std::dynamic_pointer_cast<GeomAPI_Edge>(aFeature->lastResult()->shape());
1246         if (anEdge) {
1247           std::shared_ptr<GeomAPI_Pnt> aPoint3D = aSketch->to3D(aPoint->x(), aPoint->y());
1248           if (anEdge->isLine())
1249             aPoint3D = anEdge->line()->project(aPoint3D);
1250           else if (anEdge->isCircle())
1251             aPoint3D = anEdge->circle()->project(aPoint3D);
1252           if(aPoint3D)
1253             aPoint = aSketch->to2D(aPoint3D);
1254         }
1255       }
1256     } else {
1257       AttributePoint2DPtr anOtherPoint =
1258           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aRefAttr->attr());
1259       if (anOtherPoint)
1260         aPoint = anOtherPoint->pnt(); // the reference point is much more precise, use it
1261     }
1262   }
1263
1264   return aPoint;
1265 }
1266
1267 static void threePointsOfFeature(const FeaturePtr& theMacroFeature,
1268                                  std::shared_ptr<GeomAPI_Pnt2d> thePoints[3])
1269 {
1270   if (theMacroFeature->getKind() == SketchPlugin_MacroCircle::ID()) {
1271     thePoints[0] = toPoint(theMacroFeature,
1272           SketchPlugin_MacroCircle::FIRST_POINT_ID(),
1273           SketchPlugin_MacroCircle::FIRST_POINT_REF_ID());
1274     thePoints[1] = toPoint(theMacroFeature,
1275           SketchPlugin_MacroCircle::SECOND_POINT_ID(),
1276           SketchPlugin_MacroCircle::SECOND_POINT_REF_ID());
1277     thePoints[2] = toPoint(theMacroFeature,
1278           SketchPlugin_MacroCircle::THIRD_POINT_ID(),
1279           SketchPlugin_MacroCircle::THIRD_POINT_REF_ID());
1280   } else if (theMacroFeature->getKind() == SketchPlugin_MacroArc::ID()) {
1281     thePoints[0] = toPoint(theMacroFeature,
1282           SketchPlugin_MacroArc::START_POINT_2_ID(),
1283           SketchPlugin_MacroArc::START_POINT_REF_ID());
1284     thePoints[1] = toPoint(theMacroFeature,
1285           SketchPlugin_MacroArc::END_POINT_2_ID(),
1286           SketchPlugin_MacroArc::END_POINT_REF_ID());
1287     thePoints[2] = toPoint(theMacroFeature,
1288           SketchPlugin_MacroArc::PASSED_POINT_ID(),
1289           SketchPlugin_MacroArc::PASSED_POINT_REF_ID());
1290   }
1291 }
1292
1293 static bool isPointsOnLine(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint1,
1294                            const std::shared_ptr<GeomAPI_Pnt2d>& thePoint2,
1295                            const std::shared_ptr<GeomAPI_Pnt2d>& thePoint3)
1296 {
1297   static const double aTolerance = 1.e-7;
1298   if (thePoint1->distance(thePoint2) < aTolerance ||
1299       thePoint1->distance(thePoint3) < aTolerance)
1300     return true;
1301
1302   std::shared_ptr<GeomAPI_Dir2d> aDirP1P2(new GeomAPI_Dir2d(thePoint2->x() - thePoint1->x(),
1303                                                             thePoint2->y() - thePoint1->y()));
1304   std::shared_ptr<GeomAPI_Dir2d> aDirP1P3(new GeomAPI_Dir2d(thePoint3->x() - thePoint1->x(),
1305                                                             thePoint3->y() - thePoint1->y()));
1306   return fabs(aDirP1P2->cross(aDirP1P3)) < aTolerance;
1307 }
1308
1309 static bool isOnSameSide(const std::shared_ptr<GeomAPI_Lin>& theLine,
1310                          const std::shared_ptr<GeomAPI_Pnt>& thePoint1,
1311                          const std::shared_ptr<GeomAPI_Pnt>& thePoint2)
1312 {
1313   static const double aTolerance = 1.e-7;
1314   std::shared_ptr<GeomAPI_Dir> aLineDir = theLine->direction();
1315   std::shared_ptr<GeomAPI_XYZ> aLineLoc = theLine->location()->xyz();
1316
1317   std::shared_ptr<GeomAPI_XYZ> aVec1 = thePoint1->xyz()->decreased(aLineLoc);
1318   // the first point is on the line
1319   if (aVec1->squareModulus() < aTolerance * aTolerance)
1320     return false;
1321   std::shared_ptr<GeomAPI_Dir> aDirP1L(new GeomAPI_Dir(aVec1));
1322   std::shared_ptr<GeomAPI_XYZ> aVec2 = thePoint2->xyz()->decreased(aLineLoc);
1323   // the second point is on the line
1324   if (aVec2->squareModulus() < aTolerance * aTolerance)
1325     return false;
1326   std::shared_ptr<GeomAPI_Dir> aDirP2L(new GeomAPI_Dir(aVec2));
1327
1328   return aLineDir->cross(aDirP1L)->dot(aLineDir->cross(aDirP2L)) > -aTolerance;
1329 }
1330
1331 static bool isOnSameSide(const std::shared_ptr<GeomAPI_Circ>& theCircle,
1332                          const std::shared_ptr<GeomAPI_Pnt>&  thePoint1,
1333                          const std::shared_ptr<GeomAPI_Pnt>&  thePoint2)
1334 {
1335   static const double aTolerance = 1.e-7;
1336   std::shared_ptr<GeomAPI_Pnt> aCenter = theCircle->center();
1337   double aDistP1C = thePoint1->distance(aCenter);
1338   double aDistP2C = thePoint2->distance(aCenter);
1339   return (aDistP1C - theCircle->radius()) * (aDistP2C - theCircle->radius()) > -aTolerance;
1340 }
1341
1342 bool SketchPlugin_ThirdPointValidator::arePointsNotOnLine(
1343     const FeaturePtr& theMacroFeature,
1344     Events_InfoMessage& theError) const
1345 {
1346   static const std::string aErrorPointsOnLine(
1347       "Selected points are on the same line");
1348
1349   std::shared_ptr<GeomAPI_Pnt2d> aPoints[3];
1350   threePointsOfFeature(theMacroFeature, aPoints);
1351
1352   if (isPointsOnLine(aPoints[0], aPoints[1], aPoints[2])) {
1353     theError = aErrorPointsOnLine;
1354     return false;
1355   }
1356   return true;
1357 }
1358
1359 bool SketchPlugin_ThirdPointValidator::arePointsNotSeparated(
1360     const FeaturePtr& theMacroFeature,
1361     const std::list<std::string>& theArguments,
1362     Events_InfoMessage& theError) const
1363 {
1364   static const std::string aErrorPointsApart(
1365       "Selected entity is lying between first two points");
1366
1367   AttributeRefAttrPtr aThirdPointRef = theMacroFeature->refattr(theArguments.front());
1368   FeaturePtr aRefByThird;
1369   if (aThirdPointRef->isObject())
1370     aRefByThird = ModelAPI_Feature::feature(aThirdPointRef->object());
1371   if (!aRefByThird)
1372     return true;
1373
1374   std::shared_ptr<GeomAPI_Pnt2d> aPoints[3];
1375   threePointsOfFeature(theMacroFeature, aPoints);
1376
1377   std::shared_ptr<GeomAPI_Edge> aThirdShape =
1378       std::dynamic_pointer_cast<GeomAPI_Edge>(aRefByThird->lastResult()->shape());
1379   if (!aThirdShape)
1380     return true;
1381
1382   SketchPlugin_Sketch* aSketch =
1383       std::dynamic_pointer_cast<SketchPlugin_Feature>(theMacroFeature)->sketch();
1384   std::shared_ptr<GeomAPI_Pnt> aFirstPnt3D = aSketch->to3D(aPoints[0]->x(), aPoints[0]->y());
1385   std::shared_ptr<GeomAPI_Pnt> aSecondPnt3D = aSketch->to3D(aPoints[1]->x(), aPoints[1]->y());
1386
1387   bool isOk = true;
1388   if (aThirdShape->isLine())
1389     isOk = isOnSameSide(aThirdShape->line(), aFirstPnt3D, aSecondPnt3D);
1390   else if (aThirdShape->isCircle() || aThirdShape->isArc())
1391     isOk = isOnSameSide(aThirdShape->circle(), aFirstPnt3D, aSecondPnt3D);
1392
1393   if (!isOk)
1394     theError = aErrorPointsApart;
1395   return isOk;
1396 }
1397
1398 bool SketchPlugin_ArcEndPointValidator::isValid(
1399     const AttributePtr& theAttribute,
1400     const std::list<std::string>& theArguments,
1401     Events_InfoMessage& theError) const
1402 {
1403   FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
1404   AttributeRefAttrPtr anEndPointRef = aFeature->refattr(theArguments.front());
1405
1406   if(!anEndPointRef.get()) {
1407     return true;
1408   }
1409
1410   ObjectPtr anObject = anEndPointRef->object();
1411   AttributePtr anAttr = anEndPointRef->attr();
1412   if(!anObject.get() && !anAttr.get()) {
1413     return true;
1414   }
1415
1416   if(anEndPointRef->attr().get()) {
1417     return false;
1418   }
1419
1420   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1421   if(aResult.get()) {
1422     GeomShapePtr aShape = aResult->shape();
1423     if(aShape.get() && aShape->isVertex()) {
1424       return false;
1425     }
1426   }
1427
1428   aFeature = ModelAPI_Feature::feature(anObject);
1429   if(aFeature.get()) {
1430     if(aFeature->getKind() == SketchPlugin_Point::ID()) {
1431       return false;
1432     }
1433   }
1434
1435   return true;
1436 }
1437
1438 static GeomShapePtr toInfiniteEdge(const GeomShapePtr theShape)
1439 {
1440   if(!theShape.get()) {
1441     return theShape;
1442   }
1443
1444   if(!theShape->isEdge()) {
1445     return theShape;
1446   }
1447
1448   std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(theShape));
1449
1450   if(!anEdge.get()) {
1451     return theShape;
1452   }
1453
1454   if(anEdge->isLine()) {
1455     std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
1456     GeomShapePtr aShape = GeomAlgoAPI_EdgeBuilder::line(aLine);
1457     return aShape;
1458   }
1459
1460   if(anEdge->isCircle() || anEdge->isArc()) {
1461     std::shared_ptr<GeomAPI_Circ> aCircle = anEdge->circle();
1462     GeomShapePtr aShape = GeomAlgoAPI_EdgeBuilder::lineCircle(aCircle);
1463     return aShape;
1464   }
1465
1466   return theShape;
1467 }
1468
1469 bool SketchPlugin_ArcEndPointIntersectionValidator::isValid(
1470     const AttributePtr& theAttribute,
1471     const std::list<std::string>& theArguments,
1472     Events_InfoMessage& theError) const
1473 {
1474   std::shared_ptr<SketchPlugin_MacroArc> anArcFeature =
1475       std::dynamic_pointer_cast<SketchPlugin_MacroArc>(theAttribute->owner());
1476   AttributeRefAttrPtr anEndPointRef = anArcFeature->refattr(theArguments.front());
1477
1478   if(!anEndPointRef.get()) {
1479     return true;
1480   }
1481
1482   GeomShapePtr anArcShape = toInfiniteEdge(anArcFeature->getArcShape(false));
1483
1484   if(!anArcShape.get() || anArcShape->isNull()) {
1485     return true;
1486   }
1487
1488   ObjectPtr anObject = anEndPointRef->object();
1489   AttributePtr anAttr = anEndPointRef->attr();
1490   if(!anObject.get() && !anAttr.get()) {
1491     return true;
1492   }
1493
1494   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1495   if(aResult.get()) {
1496     GeomShapePtr aShape = aResult->shape();
1497     if (!aShape->isEdge())
1498       return true;
1499     aShape = toInfiniteEdge(aShape);
1500     if(aShape.get() && !aShape->isNull()) {
1501       if(anArcShape->isIntersect(aShape)) {
1502         return true;
1503       }
1504     }
1505   }
1506
1507   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(anObject);
1508   if(aSelectedFeature.get()) {
1509     std::list<ResultPtr> aResults = aSelectedFeature->results();
1510     for(std::list<ResultPtr>::const_iterator anIt = aResults.cbegin();
1511         anIt != aResults.cend();
1512         ++anIt)
1513     {
1514       GeomShapePtr aShape = (*anIt)->shape();
1515       if (!aShape->isEdge())
1516         return true;
1517       aShape = toInfiniteEdge(aShape);
1518       if(aShape.get() && !aShape->isNull()) {
1519         if(anArcShape->isIntersect(aShape)) {
1520           return true;
1521         }
1522       }
1523     }
1524   }
1525
1526   return false;
1527 }
1528
1529 bool SketchPlugin_HasNoConstraint::isValid(const AttributePtr& theAttribute,
1530                                            const std::list<std::string>& theArguments,
1531                                            Events_InfoMessage& theError) const
1532 {
1533   std::set<std::string> aFeatureKinds;
1534   for (std::list<std::string>::const_iterator anArgIt = theArguments.begin();
1535        anArgIt != theArguments.end(); anArgIt++) {
1536     aFeatureKinds.insert(*anArgIt);
1537   }
1538
1539   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
1540     theError = "The attribute with the %1 type is not processed";
1541     theError.arg(theAttribute->attributeType());
1542     return false;
1543   }
1544
1545   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
1546                                                                       (theAttribute);
1547   bool isObject = aRefAttr->isObject();
1548   if (!isObject) {
1549     theError = "It uses an empty object";
1550     return false;
1551   }
1552   ObjectPtr anObject = aRefAttr->object();
1553   FeaturePtr aFeature = ModelAPI_Feature::feature(anObject);
1554   if (!aFeature.get()) {
1555     theError = "The feature of the checked attribute is empty";
1556     return false;
1557   }
1558
1559   FeaturePtr aCurrentFeature = ModelAPI_Feature::feature(aRefAttr->owner());
1560
1561   std::set<AttributePtr> aRefsList = anObject->data()->refsToMe();
1562   std::set<AttributePtr>::const_iterator anIt = aRefsList.begin();
1563   for (; anIt != aRefsList.end(); anIt++) {
1564     FeaturePtr aRefFeature = ModelAPI_Feature::feature((*anIt)->owner());
1565     if (aRefFeature.get() && aCurrentFeature != aRefFeature &&
1566         aFeatureKinds.find(aRefFeature->getKind()) != aFeatureKinds.end())
1567       return false; // constraint is found, that means that the check is not valid
1568   }
1569   return true;
1570 }
1571
1572 bool SketchPlugin_ReplicationReferenceValidator::isValid(
1573     const AttributePtr& theAttribute,
1574     const std::list<std::string>& theArguments,
1575     Events_InfoMessage& theError) const
1576 {
1577   AttributeRefAttrPtr aRefAttr =
1578       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
1579   if (!aRefAttr)
1580   {
1581     theError = "Incorrect attribute";
1582     return false;
1583   }
1584
1585   ObjectPtr anOwner;
1586   if (aRefAttr->isObject())
1587     anOwner = aRefAttr->object();
1588   else
1589   {
1590     AttributePtr anAttr = aRefAttr->attr();
1591     anOwner = anAttr->owner();
1592   }
1593   FeaturePtr anAttrOwnerFeature = ModelAPI_Feature::feature(anOwner);
1594   if (!anAttrOwnerFeature)
1595     return true;
1596   AttributeBooleanPtr aCopyAttr = anAttrOwnerFeature->boolean(SketchPlugin_SketchEntity::COPY_ID());
1597   if (!aCopyAttr || !aCopyAttr->value())
1598     return true; // feature is not a copy, thus valid
1599
1600   // check the copy feature is already referred by the "Multi" feature
1601   FeaturePtr aMultiFeature = ModelAPI_Feature::feature(theAttribute->owner());
1602   AttributeRefListPtr aRefList = aMultiFeature->reflist(theArguments.front());
1603   for (int i = 0; i < aRefList->size(); ++i)
1604   {
1605     FeaturePtr aRefOwner = ModelAPI_Feature::feature(aRefList->object(i));
1606     if (aRefOwner == anAttrOwnerFeature)
1607     {
1608       theError = "Attribute refers to the object generated by this feature";
1609       return false;
1610     }
1611   }
1612
1613   return true;
1614 }
1615
1616 bool SketchPlugin_SketchFeatureValidator::isValid(const AttributePtr& theAttribute,
1617                                                   const std::list<std::string>& theArguments,
1618                                                   Events_InfoMessage& theError) const
1619 {
1620   if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
1621     theError = "The attribute with the %1 type is not processed";
1622     theError.arg(theAttribute->attributeType());
1623     return false;
1624   }
1625
1626   // check the attribute refers to a sketch feature
1627   AttributeRefAttrPtr aRefAttr =
1628       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
1629   bool isSketchFeature = aRefAttr->isObject();
1630   if (isSketchFeature) {
1631     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
1632     isSketchFeature = aFeature.get() != NULL;
1633     if (isSketchFeature) {
1634       std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
1635           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
1636       isSketchFeature = aSketchFeature.get() != NULL;
1637     }
1638   }
1639
1640   if (isSketchFeature)
1641     return true;
1642
1643   theError = "The object selected is not a sketch feature";
1644   return false;
1645 }
1646
1647 bool SketchPlugin_MultiRotationAngleValidator::isValid(const AttributePtr& theAttribute,
1648                                                        const std::list<std::string>& theArguments,
1649                                                        Events_InfoMessage& theError) const
1650 {
1651   if (theAttribute->attributeType() != ModelAPI_AttributeDouble::typeId()) {
1652     theError = "The attribute with the %1 type is not processed";
1653     theError.arg(theAttribute->attributeType());
1654     return false;
1655   }
1656
1657   AttributeDoublePtr anAngleAttr =
1658     std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(theAttribute);
1659
1660   FeaturePtr aMultiRotation = ModelAPI_Feature::feature(theAttribute->owner());
1661   AttributeStringPtr anAngleType =
1662       aMultiRotation->string(SketchPlugin_MultiRotation::ANGLE_TYPE());
1663   AttributeIntegerPtr aNbCopies =
1664       aMultiRotation->integer(SketchPlugin_MultiRotation::NUMBER_OF_OBJECTS_ID());
1665
1666   if (anAngleType->value() != "FullAngle")
1667   {
1668     double aFullAngleValue = anAngleAttr->value() * (aNbCopies->value() - 1);
1669     if (aFullAngleValue < -1.e-7 || aFullAngleValue > 359.9999999)
1670     {
1671       theError = "Rotation single angle should produce full angle less than 360 degree";
1672       return false;
1673     }
1674   }
1675   else
1676   {
1677     double aFullAngleValue = anAngleAttr->value();
1678     if (aFullAngleValue < -1.e-7 || aFullAngleValue > 360.0000001)
1679     {
1680       theError = "Rotation full angle should be in range [0, 360]";
1681       return false;
1682     }
1683   }
1684
1685   return true;
1686 }