- // Constraint for distance between point and another entity
- if (aConstraintKind.compare(SketchPlugin_ConstraintDistance::ID()) == 0) {
- int aNbPoints = 0;
- int aNbEntities = 0;
- for (unsigned int indAttr = 0; indAttr < CONSTRAINT_ATTR_SIZE; indAttr++) {
- std::shared_ptr<ModelAPI_Attribute> anAttr =
- aConstrData->attribute(SketchPlugin_Constraint::ATTRIBUTE(indAttr));
- switch (typeOfAttribute(anAttr)) {
- case POINT2D:
- case POINT3D:
- myAttributesList[aNbPoints++] = SketchPlugin_Constraint::ATTRIBUTE(indAttr);
- break;
- case LINE:
- // entities are placed starting from SketchPlugin_Constraint::ENTITY_C() attribute
- myAttributesList[2 + aNbEntities++] = SketchPlugin_Constraint::ATTRIBUTE(indAttr);
- myType = SLVS_C_PT_LINE_DISTANCE;
- break;
+ SketchSolver_ConstraintType aConstrType = getType();
+ double aValue;
+ std::vector<EntityWrapperPtr> anAttributes;
+ getAttributes(aValue, anAttributes);
+ if (!myErrorMsg.empty())
+ return;
+ if (anAttributes.empty()) {
+ myErrorMsg = SketchSolver_Error::INCORRECT_ATTRIBUTE();
+ return;
+ }
+ if (aConstrType == CONSTRAINT_UNKNOWN)
+ aConstrType = getType();
+
+ BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
+ std::list<ConstraintWrapperPtr> aNewConstraints = aBuilder->createConstraint(
+ myBaseConstraint, myGroupID, mySketchID, aConstrType,
+ aValue, anAttributes[0], anAttributes[1], anAttributes[2], anAttributes[3]);
+ myStorage->addConstraint(myBaseConstraint, aNewConstraints);
+
+ adjustConstraint();
+}
+
+void SketchSolver_Constraint::update()
+{
+ cleanErrorMsg();
+ std::list<ConstraintWrapperPtr> aWrapper = myStorage->constraint(myBaseConstraint);
+ std::list<ConstraintWrapperPtr>::iterator aWIt = aWrapper.begin();
+
+ // Check if attributes of constraint are changed, rebuild constraint
+ std::set<AttributePtr> anAttributes;
+ std::set<AttributePtr>::iterator aFoundAttr;
+ std::set<FeaturePtr> aFeatures;
+ std::set<FeaturePtr>::iterator aFoundFeat;
+ for (int anEntIndex = 0; anEntIndex < 4; ++anEntIndex) {
+ AttributePtr anAttr =
+ myBaseConstraint->attribute(SketchPlugin_Constraint::ATTRIBUTE(anEntIndex));
+ if (!anAttr)
+ continue;
+
+ AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
+ if (aRefAttr) {
+ if (aRefAttr->isObject()) {
+ FeaturePtr aFeat = ModelAPI_Feature::feature(aRefAttr->object());
+ if (myBaseConstraint->getKind() != SketchPlugin_ConstraintLength::ID())
+ aFeatures.insert(aFeat);
+ else {
+ // Workaround for the Length constraint: add points of line, not line itself
+ anAttributes.insert(aFeat->attribute(SketchPlugin_Line::START_ID()));
+ anAttributes.insert(aFeat->attribute(SketchPlugin_Line::END_ID()));
+ }
+ } else
+ anAttributes.insert(aRefAttr->attr());
+ } else
+ anAttributes.insert(anAttr);
+ }
+ bool hasNewAttr = !(anAttributes.empty() && aFeatures.empty());
+ for (; hasNewAttr && aWIt != aWrapper.end(); ++ aWIt) {
+ const std::list<EntityWrapperPtr>& aSubs = (*aWIt)->entities();
+ std::list<EntityWrapperPtr>::const_iterator aSIt = aSubs.begin();
+ for (; hasNewAttr && aSIt != aSubs.end(); ++aSIt) {
+ if ((*aSIt)->baseAttribute()) {
+ aFoundAttr = anAttributes.find((*aSIt)->baseAttribute());
+ if (aFoundAttr != anAttributes.end())
+ anAttributes.erase(aFoundAttr);
+ } else {
+ aFoundFeat = aFeatures.find((*aSIt)->baseFeature());
+ if (aFoundFeat != aFeatures.end())
+ aFeatures.erase(aFoundFeat);