src/SketchSolver/SketchSolver_Constraint.cpp

   1 #include <SketchSolver_Constraint.h>
   2 #include <SketchSolver_Group.h>
   3 #include <SketchSolver_Error.h>
   4 #include <SketchSolver_Manager.h>
   5
   6 #include <SketchPlugin_Arc.h>
   7 #include <SketchPlugin_Circle.h>
   8 #include <SketchPlugin_Line.h>
   9 #include <SketchPlugin_Point.h>
  10
  11 #include <SketchPlugin_ConstraintAngle.h>
  12 #include <SketchPlugin_ConstraintCoincidence.h>
  13 #include <SketchPlugin_ConstraintDistance.h>
  14 #include <SketchPlugin_ConstraintEqual.h>
  15 #include <SketchPlugin_ConstraintHorizontal.h>
  16 #include <SketchPlugin_ConstraintLength.h>
  17 #include <SketchPlugin_ConstraintMirror.h>
  18 #include <SketchPlugin_ConstraintParallel.h>
  19 #include <SketchPlugin_ConstraintPerpendicular.h>
  20 #include <SketchPlugin_ConstraintRadius.h>
  21 #include <SketchPlugin_ConstraintRigid.h>
  22 #include <SketchPlugin_ConstraintTangent.h>
  23 #include <SketchPlugin_ConstraintVertical.h>
  24
  25 #include <GeomAPI_Dir2d.h>
  26 #include <GeomDataAPI_Point.h>
  27 #include <GeomDataAPI_Point2D.h>
  28 #include <ModelAPI_AttributeDouble.h>
  29 #include <ModelAPI_ResultConstruction.h>
  30
  31 #include <math.h>
  32
  33 SketchSolver_Constraint::SketchSolver_Constraint(
  34     ConstraintPtr  theConstraint)
  35   : myBaseConstraint(theConstraint),
  36     myGroupID(GID_UNKNOWN),
  37     myType(CONSTRAINT_UNKNOWN)
  38 {
  39 }
  40
  41 void SketchSolver_Constraint::process(StoragePtr theStorage,
  42                                       const GroupID& theGroupID,
  43                                       const EntityID& theSketchID)
  44 {
  45   myStorage = theStorage;
  46   myGroupID = theGroupID;
  47   mySketchID = theSketchID;
  48   // Process constraint according to its type
  49   process();
  50 }
  51
  52
  53 SketchSolver_ConstraintType SketchSolver_Constraint::TYPE(ConstraintPtr theConstraint)
  54 {
  55   const std::string& aType = theConstraint->getKind();
  56   if (aType == SketchPlugin_ConstraintCoincidence::ID())
  57     return CONSTRAINT_COINCIDENCE;
  58   else if (aType == SketchPlugin_ConstraintRigid::ID())
  59     return CONSTRAINT_FIXED;
  60   else if (aType == SketchPlugin_ConstraintHorizontal::ID())
  61     return CONSTRAINT_HORIZONTAL;
  62   else if (aType == SketchPlugin_ConstraintVertical::ID())
  63     return CONSTRAINT_VERTICAL;
  64   else if (aType == SketchPlugin_ConstraintAngle::ID())
  65     return CONSTRAINT_ANGLE;
  66   else if (aType == SketchPlugin_ConstraintDistance::ID())
  67     return CONSTRAINT_DISTANCE;
  68   else if (aType == SketchPlugin_ConstraintEqual::ID())
  69     return CONSTRAINT_EQUAL;
  70   else if (aType == SketchPlugin_ConstraintLength::ID())
  71     return CONSTRAINT_PT_PT_DISTANCE;
  72   else if (aType == SketchPlugin_ConstraintMirror::ID())
  73     return CONSTRAINT_SYMMETRIC;
  74   else if (aType == SketchPlugin_ConstraintParallel::ID())
  75     return CONSTRAINT_PARALLEL;
  76   else if (aType == SketchPlugin_ConstraintPerpendicular::ID())
  77     return CONSTRAINT_PERPENDICULAR;
  78   else if (aType == SketchPlugin_ConstraintRadius::ID())
  79     return CONSTRAINT_RADIUS;
  80   else if (aType == SketchPlugin_ConstraintTangent::ID())
  81     return CONSTRAINT_TANGENT;
  82   return CONSTRAINT_UNKNOWN;
  83 }
  84
  85 void SketchSolver_Constraint::process()
  86 {
  87   cleanErrorMsg();
  88   if (!myBaseConstraint || !myStorage || myGroupID == GID_UNKNOWN) {
  89     // Not enough parameters are assigned
  90     return;
  91   }
  92
  93   SketchSolver_ConstraintType aConstrType = getType();
  94   double aValue;
  95   std::vector<EntityWrapperPtr> anAttributes;
  96   getAttributes(aValue, anAttributes);
  97   if (!myErrorMsg.empty())
  98     return;
  99   if (anAttributes.empty()) {
 100     myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
 101     return;
 102   }
 103   if (aConstrType == CONSTRAINT_UNKNOWN)
 104     aConstrType = getType();
 105
 106   BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
 107   std::list<ConstraintWrapperPtr> aNewConstraints = aBuilder->createConstraint(
 108       myBaseConstraint, myGroupID, mySketchID, aConstrType,
 109       aValue, anAttributes[0], anAttributes[1], anAttributes[2], anAttributes[3]);
 110   myStorage->addConstraint(myBaseConstraint, aNewConstraints);
 111
 112   adjustConstraint();
 113 }
 114
 115 void SketchSolver_Constraint::update()
 116 {
 117   cleanErrorMsg();
 118
 119   std::list<ConstraintWrapperPtr> aWrapper = myStorage->constraint(myBaseConstraint);
 120   AttributeDoublePtr aValueAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 121       myBaseConstraint->attribute(SketchPlugin_Constraint::VALUE()));
 122   if (aValueAttr) {
 123     std::list<ConstraintWrapperPtr>::iterator aWIt = aWrapper.begin();
 124     for (; aWIt != aWrapper.end(); ++aWIt)
 125       if (fabs((*aWIt)->value() - aValueAttr->value()) > tolerance) {
 126         (*aWIt)->setValue(aValueAttr->value());
 127         myStorage->setNeedToResolve(true);
 128       }
 129   }
 130   myStorage->addConstraint(myBaseConstraint, aWrapper);
 131
 132   adjustConstraint();
 133 }
 134
 135 bool SketchSolver_Constraint::remove()
 136 {
 137   cleanErrorMsg();
 138   return myStorage->removeConstraint(myBaseConstraint);
 139 }
 140
 141 void SketchSolver_Constraint::getAttributes(
 142     double& theValue,
 143     std::vector<EntityWrapperPtr>& theAttributes)
 144 {
 145   static const int anInitNbOfAttr = 4;
 146   theAttributes.assign(anInitNbOfAttr, EntityWrapperPtr());
 147
 148   DataPtr aData = myBaseConstraint->data();
 149   BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
 150
 151   myType = TYPE(myBaseConstraint);
 152
 153   AttributeDoublePtr aValueAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 154       aData->attribute(SketchPlugin_Constraint::VALUE()));
 155   theValue = aValueAttr ? aValueAttr->value() : 0.0;
 156
 157   int aPtInd = 0; // index of first point in the list of attributes
 158   int aEntInd = 2; // index of first entity in the list of attributes
 159   std::list<AttributePtr> aConstrAttrs = aData->attributes(ModelAPI_AttributeRefAttr::typeId());
 160   std::list<AttributePtr>::iterator anIter = aConstrAttrs.begin();
 161   for (; anIter != aConstrAttrs.end(); anIter++) {
 162     AttributeRefAttrPtr aRefAttr =
 163         std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIter);
 164     if (!aRefAttr || !aRefAttr->isInitialized()) {
 165       myErrorMsg = SketchSolver_Error::NOT_INITIALIZED();
 166       return;
 167     }
 168
 169     myStorage->update(*anIter/*, myGroupID*/);
 170     EntityWrapperPtr anEntity = myStorage->entity(*anIter);
 171
 172     SketchSolver_EntityType aType = anEntity->type();
 173     if (aType == ENTITY_UNKNOWN)
 174       continue;
 175     else if (aType == ENTITY_POINT)
 176       theAttributes[aPtInd++] = anEntity; // the point is created
 177     else { // another entity (not a point) is created
 178       if (aEntInd < anInitNbOfAttr)
 179         theAttributes[aEntInd] = anEntity;
 180       else
 181         theAttributes.push_back(anEntity);
 182       aEntInd++;
 183     }
 184   }
 185 }
 186
 187 bool SketchSolver_Constraint::isUsed(FeaturePtr theFeature) const
 188 {
 189   const std::list<ConstraintWrapperPtr>& aCList = myStorage->constraint(myBaseConstraint);
 190   std::list<ConstraintWrapperPtr>::const_iterator aCIt = aCList.begin();
 191   for (; aCIt != aCList.end(); ++aCIt)
 192     if ((*aCIt)->isUsed(theFeature))
 193       return true;
 194
 195   std::list<AttributePtr> anAttrList = theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 196   std::list<AttributePtr>::const_iterator anAttrIt = anAttrList.begin();
 197   for (; anAttrIt != anAttrList.end(); ++ anAttrIt)
 198     if (isUsed(*anAttrIt))
 199       return true;
 200
 201   return false;
 202 }
 203
 204 bool SketchSolver_Constraint::isUsed(AttributePtr theAttribute) const
 205 {
 206   AttributePtr anAttribute = theAttribute;
 207   AttributeRefAttrPtr aRefAttr =
 208       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttribute);
 209   if (aRefAttr) {
 210     if (aRefAttr->isObject())
 211       return isUsed(ModelAPI_Feature::feature(aRefAttr->object()));
 212     else
 213       anAttribute = aRefAttr->attr();
 214   }
 215
 216   const std::list<ConstraintWrapperPtr>& aCList = myStorage->constraint(myBaseConstraint);
 217   std::list<ConstraintWrapperPtr>::const_iterator aCIt = aCList.begin();
 218   for (; aCIt != aCList.end(); ++aCIt)
 219     if ((*aCIt)->isUsed(theAttribute))
 220       return true;
 221   return false;
 222 }