From 947de864e5ab5bb127e34c316b9ac37a5418cc4b Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Thu, 5 May 2016 09:31:36 +0300
Subject: [PATCH] Projection feature should not be displayed in the viewer

---
 src/PartSet/PartSet_ResultSketchPrs.cpp      |  2 +-
 src/SketchPlugin/SketchPlugin_Projection.cpp | 10 ++--------
 src/SketchPlugin/SketchPlugin_Projection.h   |  4 ++++
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/PartSet/PartSet_ResultSketchPrs.cpp b/src/PartSet/PartSet_ResultSketchPrs.cpp
index d59619780..8769ea22f 100755
--- a/src/PartSet/PartSet_ResultSketchPrs.cpp
+++ b/src/PartSet/PartSet_ResultSketchPrs.cpp
@@ -292,7 +292,7 @@ void PartSet_ResultSketchPrs::fillShapes(TopoDS_Shape& theResultShape,
           std::shared_ptr<GeomAPI_Shape> aGeomShape = aConstr->shape();
           if (aGeomShape.get()) {
             const TopoDS_Shape& aShape = aGeomShape->impl<TopoDS_Shape>();
-            if (!aShape.IsNull() && aShape.ShapeType() != TopAbs_EDGE)
+            if (aShape.ShapeType() != TopAbs_EDGE)
               anAuxiliaryResults.push_back(aConstr);
           }
         }
diff --git a/src/SketchPlugin/SketchPlugin_Projection.cpp b/src/SketchPlugin/SketchPlugin_Projection.cpp
index 319f200cb..5cccf4c2b 100644
--- a/src/SketchPlugin/SketchPlugin_Projection.cpp
+++ b/src/SketchPlugin/SketchPlugin_Projection.cpp
@@ -31,12 +31,6 @@
 
 static const double tolerance = 1.e-7;
 
-static std::shared_ptr<GeomAPI_Edge> emptyEdge()
-{
-  static std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
-  return anEdge;
-}
-
 SketchPlugin_Projection::SketchPlugin_Projection()
     : SketchPlugin_SketchEntity(),
       myIsComputing(false)
@@ -64,7 +58,7 @@ void SketchPlugin_Projection::execute()
 
   if (!lastResult().get() && aProjection->lastResult().get()) {
     ResultConstructionPtr aConstr = document()->createConstruction(data());
-    aConstr->setShape(emptyEdge());
+    aConstr->setShape(aProjection->lastResult()->shape());
     aConstr->setIsInHistory(false);
     aConstr->setDisplayed(false);
     setResult(aConstr);
@@ -202,7 +196,7 @@ void SketchPlugin_Projection::computeProjection(const std::string& theID)
     selection(EXTERNAL_ID())->setValue(aExtFeature->context(), aExtFeature->context()->shape());
 
     if (aResult) {
-      aResult->setShape(emptyEdge());
+      aResult->setShape(aProjection->lastResult()->shape());
       setResult(aResult);
       aProjection->selection(EXTERNAL_ID())->setValue(lastResult(), lastResult()->shape());
     }
diff --git a/src/SketchPlugin/SketchPlugin_Projection.h b/src/SketchPlugin/SketchPlugin_Projection.h
index f71b899ca..b9ae2611f 100644
--- a/src/SketchPlugin/SketchPlugin_Projection.h
+++ b/src/SketchPlugin/SketchPlugin_Projection.h
@@ -45,6 +45,10 @@ public:
   virtual bool isFixed()
   { return true; }
 
+  /// Returns true if object must be displayed in the viewer
+  virtual bool isDisplayed()
+  { return false; }
+
   /// Creates a new part document if needed
   SKETCHPLUGIN_EXPORT virtual void execute();
 
-- 
2.39.2