src/SketchSolver/SketchSolver_ConstraintMiddle.cpp

   1 #include <SketchSolver_ConstraintMiddle.h>
   2
   3 SketchSolver_ConstraintMiddle::SketchSolver_ConstraintMiddle(ConstraintPtr theConstraint)
   4   : SketchSolver_Constraint(theConstraint)
   5 {
   6 }
   7
   8 void SketchSolver_ConstraintMiddle::notifyCoincidenceChanged(
   9     EntityWrapperPtr theCoincAttr1,
  10     EntityWrapperPtr theCoincAttr2)
  11 {
  12   // Check the coincidence between point and line has been changed
  13   AttributePtr aPoint;
  14   FeaturePtr aLine;
  15   EntityWrapperPtr anEntities[2] = {theCoincAttr1, theCoincAttr2};
  16   for (int i = 0; i < 2; ++i) {
  17     if (anEntities[i]->type() == ENTITY_POINT)
  18       aPoint = anEntities[i]->baseAttribute();
  19     else if (anEntities[i]->type() == ENTITY_LINE)
  20       aLine = anEntities[i]->baseFeature();
  21   }
  22   if (!aPoint || !aLine)
  23     return;
  24
  25   // Check the attributes of middle-point constraint are the same point and line
  26   bool isSameAttr = true;
  27   for (int i = 0; i < 2 && isSameAttr; ++i) {
  28     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
  29         myBaseConstraint->attribute(SketchPlugin_Constraint::ATTRIBUTE(i)));
  30     if (aRefAttr->isObject()) {
  31       FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
  32       isSameAttr = (aFeature == aLine);
  33     } else
  34       isSameAttr = (aRefAttr->attr() == aPoint);
  35   }
  36
  37   if (isSameAttr) {
  38     remove();
  39     process();
  40   }
  41 }