+ std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(END_ID()));
+ if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
+ std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
+ std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
+ //std::cout<<"Execute line "<<aStart->x()<<" "<<aStart->y()<<" "<<aStart->z()<<" - "
+ // <<anEnd->x()<<" "<<anEnd->y()<<" "<<anEnd->z()<<std::endl;
+ // make linear edge
+ std::shared_ptr<GeomAPI_Edge> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
+ // store the result
+ std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(
+ data());
+ aConstr->setShape(anEdge);
+ aConstr->setIsInHistory(false);
+ setResult(aConstr);
+
+ static Events_ID anId = ModelAPI_EventReentrantMessage::eventId();
+ std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
+ <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(anId, this));
+ aMessage->setCreatedFeature(ModelAPI_Feature::feature(
+ data()->attribute(START_ID())->owner()));
+ Events_Loop::loop()->send(aMessage);
+ }
+ }
+}
+
+std::string SketchPlugin_Line::processEvent(const std::shared_ptr<Events_Message>& theMessage)
+{
+ std::string aFilledAttributeName;
+
+ std::shared_ptr<ModelAPI_EventReentrantMessage> aReentrantMessage =
+ std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
+ if (aReentrantMessage.get()) {
+ FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
+
+ // Initialize new line with first point equal to end of previous
+ std::shared_ptr<ModelAPI_Data> aSFData = aCreatedFeature->data();
+ std::shared_ptr<GeomDataAPI_Point2D> aSPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aSFData->attribute(SketchPlugin_Line::END_ID()));
+ std::shared_ptr<ModelAPI_Data> aNFData = data();
+ std::shared_ptr<GeomDataAPI_Point2D> aNPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNFData->attribute(SketchPlugin_Line::START_ID()));
+ aNPoint->setValue(aSPoint->x(), aSPoint->y());
+ SketchPlugin_ConstraintCoincidence::createCoincidenceFeature(sketch(), aSPoint, aNPoint);
+ }
+ return aFilledAttributeName;
+}
+
+double SketchPlugin_Line::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
+{
+ double aDelta = 0;
+
+ std::shared_ptr<ModelAPI_Data> aData = data();
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(START_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(END_ID()));
+
+ GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
+
+ if (false/*projection*/) { // TODO: if it has not been necessary, remove this block
+ std::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
+ aDelta = aResult->distance(thePoint);
+ } else { // distance
+ aDelta = aLin2d.distance(thePoint);
+ }
+
+ return aDelta;
+}
+
+const std::string& SketchPlugin_Line::getKind()
+{
+ static std::string MY_KIND = SketchPlugin_Line::ID();
+ return MY_KIND;
+}
+
+bool SketchPlugin_Line::isFixed() {
+ return data()->selection(EXTERNAL_ID())->context().get() != NULL;
+}
+
+void SketchPlugin_Line::attributeChanged(const std::string& theID) {
+ // the second condition for unability to move external segments anywhere
+ // isCopy() is checked temporary for case when copied lines stored external id state
+ // to be removed after debug
+ if ((theID == EXTERNAL_ID() || isFixed()) && !isCopy()) {
+ std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
+ if (!aSelection) {
+ // empty shape in selection shows that the shape is equal to context
+ ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
+ if (anExtRes)
+ aSelection = anExtRes->shape();
+ }
+ // update arguments due to the selection value
+ if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
+ std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
+ std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
+ aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
+ std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_ID()));
+ anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
+ updateLenghtValue();
+ }
+ }
+ else if (theID == START_ID() || theID == END_ID()) {
+ updateLenghtValue();
+ }
+}
+
+void SketchPlugin_Line::updateLenghtValue()
+{
+ std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(START_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(END_ID()));
+ if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
+ double aDistance = aStartAttr->pnt()->distance(anEndAttr->pnt());
+ data()->real(LENGTH_ID())->setValue(aDistance);