-void SketchPlugin_ConstraintLength::move(double theDeltaX, double theDeltaY)
-{
- std::shared_ptr<ModelAPI_Data> aData = data();
- if (!aData->isValid())
- return;
-
- AttributeRefAttrPtr aLineAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
- attribute(SketchPlugin_Constraint::ENTITY_A()));
- if (!aLineAttr || !aLineAttr->isObject())
- return;
- FeaturePtr aLine = ModelAPI_Feature::feature(aLineAttr->object());
- if (!aLine || aLine->getKind() != SketchPlugin_Line::ID())
- return;
-
- // Recalculate a shift of flyout point in terms of local coordinates
- std::shared_ptr<GeomAPI_XY> aDir(new GeomAPI_XY(theDeltaX, theDeltaY));
- std::shared_ptr<GeomAPI_XY> aStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aLine->attribute(SketchPlugin_Line::START_ID()))->pnt()->xy();
- std::shared_ptr<GeomAPI_XY> aEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aLine->attribute(SketchPlugin_Line::END_ID()))->pnt()->xy();
- std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
- double dX = aDir->dot(aLineDir->xy());
- double dY = -aDir->cross(aLineDir->xy());
-
- myFlyoutUpdate = true;
- std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
- aPoint->setValue(aPoint->x() + dX, aPoint->y() + dY);
- myFlyoutUpdate = false;
-}
-