From: mpv <mpv@opencascade.com>
Date: Mon, 14 Sep 2015 07:32:42 +0000 (+0300)
Subject: Stabilization of the application: to avoid recomputation of invalid parameters (undo... 
X-Git-Tag: V_1.4.0~77
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=cdaa4278566593805bcbc9994da74df93baec066;p=modules%2Fshaper.git

Stabilization of the application: to avoid recomputation of invalid parameters (undo in the issue #916)
---

diff --git a/src/SketcherPrs/SketcherPrs_SymbolPrs.cpp b/src/SketcherPrs/SketcherPrs_SymbolPrs.cpp
index 84a0f9884..ee319ebc2 100644
--- a/src/SketcherPrs/SketcherPrs_SymbolPrs.cpp
+++ b/src/SketcherPrs/SketcherPrs_SymbolPrs.cpp
@@ -392,6 +392,11 @@ void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)&
 
 void SketcherPrs_SymbolPrs::Render(const Handle(OpenGl_Workspace)& theWorkspace) const
 {
+  // do not update presentation for invalid or already removed objects: the presentation
+  // should be removed soon
+  if (!myConstraint->data().get() || !myConstraint->data()->isValid())
+    return;
+
   const OpenGl_AspectMarker* anAspectMarker = theWorkspace->AspectMarker(Standard_True);
   const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
   Handle(OpenGl_View) aView = theWorkspace->ActiveView();