From 869145c3cd63a59f3d37f7b3d24d3b99afdc2bce Mon Sep 17 00:00:00 2001
From: mpv <mikhail.ponikarov@opencascade.com>
Date: Fri, 19 Dec 2014 11:54:22 +0300
Subject: [PATCH] Make sketch point also selectable from external features and
 correctly parametrically updated

---
 src/GeomAPI/GeomAPI_Vertex.cpp          |  2 +-
 src/Model/Model_AttributeSelection.cpp  |  2 +-
 src/SketchPlugin/SketchPlugin_Point.cpp | 15 ++++++++++++++-
 src/SketchPlugin/SketchPlugin_Point.h   |  3 +++
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/GeomAPI/GeomAPI_Vertex.cpp b/src/GeomAPI/GeomAPI_Vertex.cpp
index 6c3d05e35..4c5190871 100644
--- a/src/GeomAPI/GeomAPI_Vertex.cpp
+++ b/src/GeomAPI/GeomAPI_Vertex.cpp
@@ -46,5 +46,5 @@ bool GeomAPI_Vertex::isEqual(std::shared_ptr<GeomAPI_Shape> theVert)
   TopoDS_Vertex aVertex2 = TopoDS::Vertex(aInShape);
   gp_Pnt aPoint2 = BRep_Tool::Pnt(aVertex2);
 
-  return aPoint1.IsEqual(aPoint2, Precision::Confusion());
+  return aPoint1.IsEqual(aPoint2, Precision::Confusion()) == Standard_True;
 }
diff --git a/src/Model/Model_AttributeSelection.cpp b/src/Model/Model_AttributeSelection.cpp
index 16c6a25bf..f76344f55 100644
--- a/src/Model/Model_AttributeSelection.cpp
+++ b/src/Model/Model_AttributeSelection.cpp
@@ -264,7 +264,7 @@ bool Model_AttributeSelection::update()
             // searching for deltas
             int aVertexNum = 0;
             if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
-            else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 2;
+            else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
             // found the feature with appropriate edge
             FeaturePtr aFeature = aComposite->subFeature(a);
             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
diff --git a/src/SketchPlugin/SketchPlugin_Point.cpp b/src/SketchPlugin/SketchPlugin_Point.cpp
index 6545a6e35..97c74f476 100644
--- a/src/SketchPlugin/SketchPlugin_Point.cpp
+++ b/src/SketchPlugin/SketchPlugin_Point.cpp
@@ -14,7 +14,7 @@
 #include <ModelAPI_Session.h>
 
 #include <GeomAPI_Pnt2d.h>
-
+#include <GeomAPI_Vertex.h>
 #include <GeomDataAPI_Point2D.h>
 #include <GeomAlgoAPI_PointBuilder.h>
 
@@ -72,3 +72,16 @@ double SketchPlugin_Point::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>&
 bool SketchPlugin_Point::isFixed() {
   return data()->selection(EXTERNAL_ID())->context();
 }
+
+void SketchPlugin_Point::attributeChanged(const std::string& theID) {
+  if (theID == EXTERNAL_ID()) {
+    std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
+     // update arguments due to the selection value
+    if (aSelection && !aSelection->isNull() && aSelection->isVertex()) {
+      std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aSelection));
+      std::shared_ptr<GeomDataAPI_Point2D> aCoordAttr = 
+        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(COORD_ID()));
+      aCoordAttr->setValue(sketch()->to2D(aVertex->point()));
+    }
+  }
+}
diff --git a/src/SketchPlugin/SketchPlugin_Point.h b/src/SketchPlugin/SketchPlugin_Point.h
index a60f9beba..c855dd32a 100644
--- a/src/SketchPlugin/SketchPlugin_Point.h
+++ b/src/SketchPlugin/SketchPlugin_Point.h
@@ -56,6 +56,9 @@ class SketchPlugin_Point : public SketchPlugin_Feature
   /// \param thePoint the point
   virtual double distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
 
+  /// Called on change of any argument-attribute of this object: for external point
+  SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
+
   /// Use plugin manager for features creation
   SketchPlugin_Point();
 };
-- 
2.39.2