src/SketchSolver/SketchSolver_ConstraintCollinear.cpp

   1 #include <SketchSolver_ConstraintCollinear.h>
   2 #include <SketchSolver_Manager.h>
   3
   4 #include <SketchPlugin_Line.h>
   5
   6 SketchSolver_ConstraintCollinear::SketchSolver_ConstraintCollinear(ConstraintPtr theConstraint)
   7   : SketchSolver_Constraint(theConstraint)
   8 {
   9 }
  10
  11 void SketchSolver_ConstraintCollinear::notifyCoincidenceChanged(
  12     EntityWrapperPtr theCoincAttr1,
  13     EntityWrapperPtr theCoincAttr2)
  14 {
  15   bool used = true;
  16
  17   // obtain IDs of all boundary points of lines
  18   EntityID aPointIDs[4];
  19   for (int i = 0; i < 2; ++i) {
  20     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
  21         myBaseConstraint->attribute(SketchPlugin_Constraint::ATTRIBUTE(i)));
  22     if (!aRefAttr->object())
  23       continue;
  24     FeaturePtr aLine = ModelAPI_Feature::feature(aRefAttr->object());
  25     AttributePtr aLinePt = aLine->attribute(SketchPlugin_Line::START_ID());
  26     aPointIDs[2*i] = myStorage->entity(aLinePt)->id();
  27     aLinePt = aLine->attribute(SketchPlugin_Line::END_ID());
  28     aPointIDs[2*i + 1] = myStorage->entity(aLinePt)->id();
  29   }
  30
  31   EntityWrapperPtr anAttrs[2] = {theCoincAttr1, theCoincAttr2};
  32   for (int i = 0; i < 2 && used; ++i) {
  33     if (anAttrs[i]->baseAttribute())
  34       used = used && isUsed(anAttrs[i]->baseAttribute());
  35     else
  36       used = used && isUsed(anAttrs[i]->baseFeature());
  37
  38     if (!used) {
  39       if (anAttrs[i]->type() == ENTITY_POINT) {
  40         EntityID anID = anAttrs[i]->id();
  41         for (int j = 0; j < 4; ++j)
  42           if (anID == aPointIDs[j]) {
  43             used = true;
  44             break;
  45           }
  46       }
  47     }
  48   }
  49
  50   if (used) {
  51     remove();
  52     process();
  53   }
  54 }