+#include <PlaneGCSSolver_Tools.h>
+#include <PlaneGCSSolver_UpdateCoincidence.h>
+
+#include <SketchPlugin_Arc.h>
+#include <SketchPlugin_Line.h>
+
+static void getCoincidentFeatureExtremities(const ConstraintPtr& theConstraint,
+ const StoragePtr& theStorage,
+ EntityWrapperPtr theExtremities[2])
+{
+ for (int i = 0; i < CONSTRAINT_ATTR_SIZE; ++i) {
+ AttributeRefAttrPtr aRefAttr = theConstraint->refattr(SketchPlugin_Constraint::ATTRIBUTE(i));
+ if (!aRefAttr || !aRefAttr->isObject())
+ continue;
+
+ FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
+ if (!aFeature)
+ continue;
+
+ if (aFeature->getKind() == SketchPlugin_Line::ID()) {
+ theExtremities[0] = theStorage->entity(aFeature->attribute(SketchPlugin_Line::START_ID()));
+ theExtremities[1] = theStorage->entity(aFeature->attribute(SketchPlugin_Line::END_ID()));
+ } else if (aFeature->getKind() == SketchPlugin_Arc::ID()) {
+ theExtremities[0] = theStorage->entity(aFeature->attribute(SketchPlugin_Arc::START_ID()));
+ theExtremities[1] = theStorage->entity(aFeature->attribute(SketchPlugin_Arc::END_ID()));
+ }
+ }
+}
+
+
+void SketchSolver_ConstraintCoincidence::process()
+{
+ cleanErrorMsg();
+ if (!myBaseConstraint || !myStorage) {
+ // Not enough parameters are assigned
+ return;
+ }
+
+ EntityWrapperPtr aValue;
+ std::vector<EntityWrapperPtr> anAttributes;
+ getAttributes(aValue, anAttributes);
+ if (!myErrorMsg.empty())
+ return;
+ if (anAttributes.empty()) {
+ myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
+ return;
+ }
+
+ mySolverConstraint = PlaneGCSSolver_Tools::createConstraint(
+ myBaseConstraint, getType(),
+ aValue, anAttributes[0], anAttributes[1], anAttributes[2], anAttributes[3]);
+
+ myStorage->subscribeUpdates(this, PlaneGCSSolver_UpdateCoincidence::GROUP());
+ myStorage->notify(myBaseConstraint);
+}
+
+bool SketchSolver_ConstraintCoincidence::remove()
+{
+ myInSolver = false;
+ myFeatureExtremities[0] = EntityWrapperPtr();
+ myFeatureExtremities[1] = EntityWrapperPtr();
+ return SketchSolver_Constraint::remove();
+}