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 <PlaneGCSSolver_Tools.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   mySolverConstraint = PlaneGCSSolver_Tools::createConstraint(
  27       myBaseConstraint, getType(),
  28       aValue, anAttributes[0], anAttributes[1], anAttributes[2], anAttributes[3]);
  29
  30   myStorage->subscribeUpdates(this, PlaneGCSSolver_UpdateCoincidence::GROUP());
  31   myStorage->notify(myBaseConstraint);
  32 }
  33
  34 bool SketchSolver_ConstraintCoincidence::remove()
  35 {
  36   myInSolver = false;
  37   return SketchSolver_Constraint::remove();
  38 }
  39
  40 void SketchSolver_ConstraintCoincidence::getAttributes(
  41     EntityWrapperPtr& theValue,
  42     std::vector<EntityWrapperPtr>& theAttributes)
  43 {
  44   SketchSolver_Constraint::getAttributes(theValue, theAttributes);
  45   if (!myErrorMsg.empty() || !theAttributes[0]) {
  46     theAttributes.clear();
  47     return;
  48   }
  49
  50   if (theAttributes[1])
  51     myType = CONSTRAINT_PT_PT_COINCIDENT;
  52   else if (theAttributes[2]) {
  53     // check the type of entity (line or circle)
  54     SketchSolver_EntityType anEntType = theAttributes[2]->type();
  55     if (anEntType == ENTITY_LINE)
  56       myType = CONSTRAINT_PT_ON_LINE;
  57     else if (anEntType == ENTITY_CIRCLE || anEntType == ENTITY_ARC)
  58       myType = CONSTRAINT_PT_ON_CIRCLE;
  59     else
  60       myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
  61   } else
  62     myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
  63 }
  64
  65 void SketchSolver_ConstraintCoincidence::notify(const FeaturePtr&      theFeature,
  66                                                 PlaneGCSSolver_Update* theUpdater)
  67 {
  68   PlaneGCSSolver_UpdateCoincidence* anUpdater =
  69       static_cast<PlaneGCSSolver_UpdateCoincidence*>(theUpdater);
  70   bool isAccepted = anUpdater->checkCoincidence(myAttributes.front(), myAttributes.back());
  71   if (isAccepted) {
  72     if (!myInSolver) {
  73       myInSolver = true;
  74       myStorage->addConstraint(myBaseConstraint, mySolverConstraint);
  75     }
  76   } else {
  77     if (myInSolver) {
  78       myInSolver = false;
  79       myStorage->removeConstraint(myBaseConstraint);
  80     }
  81   }
  82 }