From 6a2a8604fa34248ef11cada4642e0260d8f00808 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Wed, 30 Nov 2016 12:00:05 +0300
Subject: [PATCH] #1787 Dump NameError: name 'SketchLine_15' is not defined

---
 src/PartSet/PartSet_Tools.cpp | 33 +++++++++++++++++++++++++++++++++
 src/PartSet/PartSet_Tools.h   |  9 ++++++++-
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/src/PartSet/PartSet_Tools.cpp b/src/PartSet/PartSet_Tools.cpp
index ba73f12ae..53c1dc13f 100755
--- a/src/PartSet/PartSet_Tools.cpp
+++ b/src/PartSet/PartSet_Tools.cpp
@@ -563,6 +563,16 @@ ResultPtr PartSet_Tools::createFixedObjectByExternal(const TopoDS_Shape& theShap
         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 
       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+      /// check external line created on Trihedron Axis
+      /// selection of a point on external edge referenced to AIS_Trihedron axis
+      /// should be prohibited or point should be replaced to "Origin". The second
+      /// case is implemented because of not correct AIS_Trihedron origin point highlight
+      /// When AIS is corrected(exactly priority of origin and stayed vertex by highlight)
+      /// the next check should be moved to Partset 2d point widget in isValidSelectionCustom
+      bool isAxis = isAxisSelected(theObject);
+      if (isAxis)
+        aRes = ResultPtr(); // to rely on code below that found the Origin result
+
       // if there is no object,
       // it means that this is the origin point: search it in the module document
       if (!aRes.get()) {
@@ -618,6 +628,29 @@ ResultPtr PartSet_Tools::createFixedObjectByExternal(const TopoDS_Shape& theShap
   return ResultPtr();
 }
 
+bool PartSet_Tools::isAxisSelected(const ObjectPtr& theObject)
+{
+  bool isAxis = false;
+  ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+  if (aRes.get()) {
+    // check if result belongs to external feature
+    // in this case we should use as a result reference of external feature
+    FeaturePtr aResFeature = ModelAPI_Feature::feature(aRes);
+    std::shared_ptr<SketchPlugin_Feature> aSPFeature =
+                  std::dynamic_pointer_cast<SketchPlugin_Feature>(aResFeature);
+    if (aSPFeature.get() && aSPFeature->isExternal()) {
+      AttributeSelectionPtr aAttr = aResFeature->selection(
+                                    SketchPlugin_SketchEntity::EXTERNAL_ID());
+      if (aAttr) { /// check if the result is Axis
+        ResultPtr anExternalRes = std::dynamic_pointer_cast<ModelAPI_Result>(aAttr->context());
+        FeaturePtr aResFeature = ModelAPI_Feature::feature(anExternalRes);
+        isAxis = aResFeature->getKind() == "Axis"; //ConstructionPlugin_Axis::ID()
+      }
+    }
+  }
+  return isAxis;
+}
+
 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
                                           const ModuleBase_ViewerPrsPtr& thePrs)
 {
diff --git a/src/PartSet/PartSet_Tools.h b/src/PartSet/PartSet_Tools.h
index 7826014e1..10699dd27 100755
--- a/src/PartSet/PartSet_Tools.h
+++ b/src/PartSet/PartSet_Tools.h
@@ -180,7 +180,14 @@ public:
                                                CompositeFeaturePtr theSketch,
                                                const bool theTemporary = false);
 
-  /// Checks whether the list of selected presentations contains the given one
+
+  /// Checks if the shape is Origin, the conditions are the shape is a vertex and
+  /// selected feature is an external feature created on Axis
+  /// \param theObject a selected object in the viewer
+  /// \return boolean value
+  static bool isAxisSelected(const ObjectPtr& theObject);
+
+    /// Checks whether the list of selected presentations contains the given one
   /// \param theSelected a list of presentations
   /// \param thePrs a presentation to be found
   /// \return - result of check, true if the list contains the prs
-- 
2.39.2