src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 #include <SketchSolver_ConstraintCoincidence.h>
   4 #include <SketchSolver_Error.h>
   5 #include <SketchSolver_Manager.h>
   6 #include <PlaneGCSSolver_UpdateCoincidence.h>
   7
   8 void SketchSolver_ConstraintCoincidence::process()
   9 {
  10   cleanErrorMsg();
  11   if (!myBaseConstraint || !myStorage) {
  12     // Not enough parameters are assigned
  13     return;
  14   }
  15
  16   EntityWrapperPtr aValue;
  17   std::vector<EntityWrapperPtr> anAttributes;
  18   getAttributes(aValue, anAttributes);
  19   if (!myErrorMsg.empty())
  20     return;
  21   if (anAttributes.empty()) {
  22     myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
  23     return;
  24   }
  25
  26   BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
  27   mySolverConstraint = aBuilder->createConstraint(
  28       myBaseConstraint, getType(),
  29       aValue, anAttributes[0], anAttributes[1], anAttributes[2], anAttributes[3]);
  30
  31   myStorage->subscribeUpdates(this, PlaneGCSSolver_UpdateCoincidence::GROUP());
  32   myStorage->notify(myBaseConstraint);
  33 }
  34
  35 void SketchSolver_ConstraintCoincidence::getAttributes(
  36     EntityWrapperPtr& theValue,
  37     std::vector<EntityWrapperPtr>& theAttributes)
  38 {
  39   SketchSolver_Constraint::getAttributes(theValue, theAttributes);
  40   if (!myErrorMsg.empty() || !theAttributes[0]) {
  41     theAttributes.clear();
  42     return;
  43   }
  44
  45   if (theAttributes[1])
  46     myType = CONSTRAINT_PT_PT_COINCIDENT;
  47   else if (theAttributes[2]) {
  48     // check the type of entity (line or circle)
  49     SketchSolver_EntityType anEntType = theAttributes[2]->type();
  50     if (anEntType == ENTITY_LINE)
  51       myType = CONSTRAINT_PT_ON_LINE;
  52     else if (anEntType == ENTITY_CIRCLE || anEntType == ENTITY_ARC)
  53       myType = CONSTRAINT_PT_ON_CIRCLE;
  54     else
  55       myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
  56   } else
  57     myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
  58 }
  59
  60 void SketchSolver_ConstraintCoincidence::notify(const FeaturePtr&      theFeature,
  61                                                 PlaneGCSSolver_Update* theUpdater)
  62 {
  63   PlaneGCSSolver_UpdateCoincidence* anUpdater =
  64       static_cast<PlaneGCSSolver_UpdateCoincidence*>(theUpdater);
  65   bool isAccepted = anUpdater->checkCoincidence(myAttributes.front(), myAttributes.back());
  66   if (isAccepted) {
  67     if (!myInSolver) {
  68       myInSolver = true;
  69       myStorage->addConstraint(myBaseConstraint, mySolverConstraint);
  70     }
  71   } else {
  72     if (myInSolver) {
  73       myInSolver = false;
  74       myStorage->removeConstraint(myBaseConstraint);
  75     }
  76   }
  77 }