src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp

   1 #include <SketchSolver_ConstraintCoincidence.h>
   2 #include <SketchSolver_Error.h>
   3 #include <SketchSolver_Group.h>
   4
   5 #include <map>
   6
   7 bool SketchSolver_ConstraintCoincidence::hasConstraint(ConstraintPtr theConstraint) const
   8 {
   9   if (myBaseConstraint == theConstraint)
  10     return true;
  11   std::map<Slvs_hConstraint, ConstraintPtr>::const_iterator anIt = myExtraCoincidence.begin();
  12   for (; anIt != myExtraCoincidence.end(); anIt++)
  13     if (anIt->second == theConstraint)
  14       return true;
  15   return false;
  16 }
  17
  18 std::list<ConstraintPtr> SketchSolver_ConstraintCoincidence::constraints() const
  19 {
  20   std::list<ConstraintPtr> aConstraints;
  21   aConstraints.push_back(myBaseConstraint);
  22   std::map<Slvs_hConstraint, ConstraintPtr>::const_iterator anIt = myExtraCoincidence.begin();
  23   for (; anIt != myExtraCoincidence.end(); anIt++)
  24     aConstraints.push_back(anIt->second);
  25   return aConstraints;
  26 }
  27
  28 bool SketchSolver_ConstraintCoincidence::isCoincide(
  29     std::shared_ptr<SketchSolver_ConstraintCoincidence> theConstraint) const
  30 {
  31   std::set<AttributePtr>::const_iterator anAttrIter = theConstraint->myCoincidentPoints.begin();
  32   for (; anAttrIter != theConstraint->myCoincidentPoints.end(); anAttrIter++)
  33     if (myCoincidentPoints.find(*anAttrIter) != myCoincidentPoints.end())
  34       return true;
  35   return false;
  36 }
  37
  38 void SketchSolver_ConstraintCoincidence::attach(
  39     std::shared_ptr<SketchSolver_ConstraintCoincidence> theConstraint)
  40 {
  41   cleanErrorMsg();
  42   Slvs_Constraint aBaseCoincidence = myStorage->getConstraint(mySlvsConstraints.front());
  43   // Remove constraints from theConstraint
  44   std::vector<Slvs_hConstraint>::iterator aCIter = theConstraint->mySlvsConstraints.begin();
  45   for (; aCIter != theConstraint->mySlvsConstraints.end(); aCIter++)
  46     theConstraint->myStorage->removeConstraint(*aCIter);
  47
  48   if (myStorage == theConstraint->myStorage) {
  49     // Clean removed items
  50     std::set<Slvs_hParam> aRemParams;
  51     std::set<Slvs_hEntity> aRemEnts;
  52     std::set<Slvs_hConstraint> aRemConstr;
  53     theConstraint->myStorage->getRemoved(aRemParams, aRemEnts, aRemConstr);
  54   }
  55
  56   // Copy data.
  57   addConstraint(theConstraint->myBaseConstraint);
  58   std::map<Slvs_hConstraint, ConstraintPtr>::iterator aConstrIter =
  59       theConstraint->myExtraCoincidence.begin();
  60   for (; aConstrIter != theConstraint->myExtraCoincidence.end(); aConstrIter++)
  61     addConstraint(aConstrIter->second);
  62   // Clear the lists to not remove the entities on destruction
  63   theConstraint->mySlvsConstraints.clear();
  64   theConstraint->myFeatureMap.clear();
  65   theConstraint->myAttributeMap.clear();
  66 }
  67
  68 Slvs_hConstraint SketchSolver_ConstraintCoincidence::addConstraint(
  69     Slvs_hEntity thePoint1, Slvs_hEntity thePoint2)
  70 {
  71   Slvs_Constraint aNewConstraint = Slvs_MakeConstraint(SLVS_E_UNKNOWN, myGroup->getId(),
  72       SLVS_C_POINTS_COINCIDENT, myGroup->getWorkplaneId(), 0.0, thePoint1, thePoint2,
  73       SLVS_E_UNKNOWN, SLVS_E_UNKNOWN);
  74   Slvs_hConstraint aNewID = myStorage->addConstraint(aNewConstraint);
  75   mySlvsConstraints.push_back(aNewID);
  76   return aNewID;
  77 }
  78
  79 void SketchSolver_ConstraintCoincidence::addConstraint(ConstraintPtr theConstraint)
  80 {
  81   std::list<AttributePtr> anAttrList =
  82       theConstraint->data()->attributes(ModelAPI_AttributeRefAttr::typeId());
  83   std::list<AttributePtr>::iterator anIter = anAttrList.begin();
  84   std::vector<Slvs_hEntity> anEntities;
  85   for (; anIter != anAttrList.end(); anIter++) {
  86     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIter);
  87     if (!aRefAttr || aRefAttr->isObject() ||
  88         myAttributeMap.find(aRefAttr->attr()) != myAttributeMap.end())
  89       continue;
  90     int aType;
  91     Slvs_hEntity anEntityID = myGroup->getAttributeId(aRefAttr->attr());
  92     if (anEntityID == SLVS_E_UNKNOWN)
  93       anEntityID = changeEntity(aRefAttr->attr(), aType);
  94     anEntities.push_back(anEntityID);
  95     myCoincidentPoints.insert(aRefAttr->attr());
  96   }
  97
  98   Slvs_Constraint aBaseCoincidence = myStorage->getConstraint(mySlvsConstraints.front());
  99   Slvs_hConstraint aNewConstr = SLVS_E_UNKNOWN;
 100   std::vector<Slvs_hEntity>::iterator anEntIter = anEntities.begin();
 101   for (; anEntIter != anEntities.end(); anEntIter++)
 102     aNewConstr = addConstraint(aBaseCoincidence.ptA, *anEntIter);
 103   myExtraCoincidence[aNewConstr] = theConstraint;
 104 }
 105
 106 void SketchSolver_ConstraintCoincidence::process()
 107 {
 108   SketchSolver_Constraint::process();
 109
 110   // Fill the list of coincident points
 111   std::list<AttributePtr> anAttrList =
 112       myBaseConstraint->data()->attributes(ModelAPI_AttributeRefAttr::typeId());
 113   std::list<AttributePtr>::iterator anIt = anAttrList.begin();
 114   for (; anIt != anAttrList.end(); anIt++) {
 115     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIt);
 116     if (!aRefAttr || aRefAttr->isObject())
 117       continue;
 118     myCoincidentPoints.insert(aRefAttr->attr());
 119   }
 120 }
 121
 122 bool SketchSolver_ConstraintCoincidence::remove(ConstraintPtr theConstraint)
 123 {
 124   cleanErrorMsg();
 125   if (mySlvsConstraints.empty())
 126     return true;
 127   ConstraintPtr aConstraint = theConstraint ? theConstraint : myBaseConstraint;
 128   int aPos = -1; // position of constraint in the list (-1 for base constraint)
 129   std::map<Slvs_hConstraint, ConstraintPtr>::iterator anExtraIt;
 130   if (aConstraint != myBaseConstraint) {
 131     anExtraIt = myExtraCoincidence.begin();
 132     for (aPos = 0; anExtraIt != myExtraCoincidence.end(); anExtraIt++, aPos++)
 133       if (anExtraIt->second == aConstraint)
 134         break;
 135     if (aPos >= (int)myExtraCoincidence.size())
 136       return false; // there is no constraint, which is specified to remove
 137     else {
 138       bool isEmpty = anExtraIt->first == SLVS_E_UNKNOWN;
 139       myExtraCoincidence.erase(anExtraIt);
 140       if (isEmpty)
 141         return false;
 142     }
 143   }
 144
 145   bool isFullyRemoved = myStorage->removeConstraint(mySlvsConstraints[aPos+1]);
 146   mySlvsConstraints.erase(mySlvsConstraints.begin() + (1+aPos));
 147   if (aPos < 0 && !myExtraCoincidence.empty()) {
 148     anExtraIt = myExtraCoincidence.begin();
 149     // Remove invalid constraints
 150     while (anExtraIt != myExtraCoincidence.end()) {
 151       if (!anExtraIt->second->data() || !anExtraIt->second->data()->isValid()) {
 152         std::map<Slvs_hConstraint, ConstraintPtr>::iterator aTempIt = anExtraIt++;
 153         if (aTempIt->first != SLVS_E_UNKNOWN) {
 154           myStorage->removeConstraint(aTempIt->first);
 155           std::vector<Slvs_hConstraint>::iterator anIt = mySlvsConstraints.begin();
 156           for (; anIt != mySlvsConstraints.end(); anIt++)
 157             if (*anIt == aTempIt->first) {
 158               mySlvsConstraints.erase(anIt);
 159               break;
 160             }
 161         }
 162         myExtraCoincidence.erase(aTempIt);
 163         continue;
 164       }
 165       anExtraIt++;
 166     }
 167     // Find first non-extra conststraint
 168     while (anExtraIt != myExtraCoincidence.end() && anExtraIt->first == SLVS_E_UNKNOWN)
 169       anExtraIt++;
 170     if (anExtraIt != myExtraCoincidence.end()) {
 171       // Need to specify another base coincidence constraint
 172       myBaseConstraint = anExtraIt->second;
 173       myExtraCoincidence.erase(anExtraIt);
 174       std::vector<Slvs_hConstraint>::iterator aCIter = mySlvsConstraints.begin();
 175       Slvs_Constraint aBase = myStorage->getConstraint(*aCIter);
 176       for (++aCIter; aCIter != mySlvsConstraints.end(); aCIter++) {
 177         Slvs_Constraint aConstr = myStorage->getConstraint(*aCIter);
 178         aConstr.ptA = aBase.ptA;
 179         myStorage->updateConstraint(aConstr);
 180       }
 181     }
 182   }
 183   // Clear removed attributes
 184   std::set<Slvs_hParam> aParamRemoved;
 185   std::set<Slvs_hEntity> anEntRemoved;
 186   std::set<Slvs_hConstraint> aConstrRemoved;
 187   myStorage->getRemoved(aParamRemoved, anEntRemoved, aConstrRemoved);
 188   std::map<AttributePtr, Slvs_hEntity>::iterator anAttrIter = myAttributeMap.begin();
 189   while (anAttrIter != myAttributeMap.end()) {
 190     if (anEntRemoved.find(anAttrIter->second) != anEntRemoved.end()) {
 191       std::map<AttributePtr, Slvs_hEntity>::iterator aTempIt = anAttrIter++;
 192       myCoincidentPoints.erase(aTempIt->first);
 193       myAttributeMap.erase(aTempIt);
 194       continue;
 195     }
 196     anAttrIter++;
 197   }
 198
 199   // Go through remaining extra coincidence and try to add or remove them
 200   anExtraIt = myExtraCoincidence.begin();
 201   while (anExtraIt != myExtraCoincidence.end()) {
 202     if (anExtraIt->first == SLVS_E_UNKNOWN) {
 203       if (!anExtraIt->second->data() || !anExtraIt->second->data()->isValid()) {
 204         std::map<Slvs_hConstraint, ConstraintPtr>::iterator aTempIt = anExtraIt++;
 205         myExtraCoincidence.erase(aTempIt);
 206         continue;
 207       }
 208       if (mySlvsConstraints.empty()) {
 209         myBaseConstraint = anExtraIt->second;
 210         std::map<Slvs_hConstraint, ConstraintPtr>::iterator aTempIt = anExtraIt++;
 211         myExtraCoincidence.erase(aTempIt);
 212         process();
 213         continue;
 214       } else
 215         addConstraint(anExtraIt->second);
 216     }
 217     anExtraIt++;
 218   }
 219   return mySlvsConstraints.empty();
 220 }
 221