src/SketchSolver/SketchSolver_ConstraintCollinear.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 #include <SketchSolver_ConstraintCollinear.h>
   4 #include <SketchSolver_Manager.h>
   5
   6 #include <SketchPlugin_Line.h>
   7
   8 SketchSolver_ConstraintCollinear::SketchSolver_ConstraintCollinear(ConstraintPtr theConstraint)
   9   : SketchSolver_Constraint(theConstraint)
  10 {
  11 }
  12
  13 void SketchSolver_ConstraintCollinear::notifyCoincidenceChanged(
  14     EntityWrapperPtr theCoincAttr1,
  15     EntityWrapperPtr theCoincAttr2)
  16 {
  17   bool used = true;
  18
  19   // obtain IDs of all boundary points of lines
  20   EntityID aPointIDs[4];
  21   for (int i = 0; i < 2; ++i) {
  22     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
  23         myBaseConstraint->attribute(SketchPlugin_Constraint::ATTRIBUTE(i)));
  24     if (!aRefAttr->object())
  25       continue;
  26     FeaturePtr aLine = ModelAPI_Feature::feature(aRefAttr->object());
  27     AttributePtr aLinePt = aLine->attribute(SketchPlugin_Line::START_ID());
  28     aPointIDs[2*i] = myStorage->entity(aLinePt)->id();
  29     aLinePt = aLine->attribute(SketchPlugin_Line::END_ID());
  30     aPointIDs[2*i + 1] = myStorage->entity(aLinePt)->id();
  31   }
  32
  33   EntityWrapperPtr anAttrs[2] = {theCoincAttr1, theCoincAttr2};
  34   for (int i = 0; i < 2 && used; ++i) {
  35     if (anAttrs[i]->baseAttribute())
  36       used = used && isUsed(anAttrs[i]->baseAttribute());
  37     else
  38       used = used && isUsed(anAttrs[i]->baseFeature());
  39
  40     if (!used) {
  41       if (anAttrs[i]->type() == ENTITY_POINT) {
  42         EntityID anID = anAttrs[i]->id();
  43         for (int j = 0; j < 4; ++j)
  44           if (anID == aPointIDs[j]) {
  45             used = true;
  46             break;
  47           }
  48       }
  49     }
  50   }
  51
  52   if (used) {
  53     remove();
  54     process();
  55   }
  56 }