+ return (aCount == 1);
+}
+
+bool PartSet_FilletSelection::isValid(const ModuleBase_ISelection* theSelection) const
+{
+ int aCount = shapesNbLines(theSelection);
+ return (aCount > 0) && (aCount < 3);
+}
+
+bool PartSet_TangentSelection::isValid(const ModuleBase_ISelection* theSelection) const
+{
+ QList<ModuleBase_ViewerPrs> aList = theSelection->getSelected();
+ if ((aList.size() == 0) || (aList.size() > 2))
+ return false;
+
+ ModuleBase_ViewerPrs aPrs = aList.first();
+ const TopoDS_Shape& aShape = aPrs.shape();
+ if (aShape.IsNull())
+ return false;
+
+ if (aShape.ShapeType() != TopAbs_EDGE)
+ return false;
+
+ std::shared_ptr<GeomAPI_Shape> aShapePtr(new GeomAPI_Shape);
+ aShapePtr->setImpl(new TopoDS_Shape(aShape));
+ GeomAPI_Edge aEdge1(aShapePtr);
+
+ if (aEdge1.isLine() || aEdge1.isArc()) {
+ if (aList.size() == 2) {
+ // Check second selection
+ aPrs = aList.last();
+ const TopoDS_Shape& aShape2 = aPrs.shape();
+ if (aShape2.IsNull())
+ return false;
+
+ if (aShape2.ShapeType() != TopAbs_EDGE)
+ return false;
+
+ std::shared_ptr<GeomAPI_Shape> aShapePtr2(new GeomAPI_Shape);
+ aShapePtr2->setImpl(new TopoDS_Shape(aShape2));
+ GeomAPI_Edge aEdge2(aShapePtr2);
+ if (aEdge1.isLine() && aEdge2.isArc())
+ return true;
+ else if (aEdge1.isArc() && aEdge2.isLine())
+ return true;
+ else
+ return false;
+ } else
+ return true;
+ }
+ return false;