From 05e7d19c5e022e02203e944dd4823c044aeb4a8d Mon Sep 17 00:00:00 2001
From: akl <alexander.kovalev@opencascade.com>
Date: Thu, 2 Apr 2015 13:25:26 +0400
Subject: [PATCH] INT PAL 52638: "Hide All" operation doesn't work in the
 SALOME OCC and VTK viewers when PARAVIS module is active.

---
 src/LightApp/LightApp_ShowHideOp.cxx | 36 +++++++++++++++-------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/src/LightApp/LightApp_ShowHideOp.cxx b/src/LightApp/LightApp_ShowHideOp.cxx
index b001bb4a2..2b8ae4ad5 100644
--- a/src/LightApp/LightApp_ShowHideOp.cxx
+++ b/src/LightApp/LightApp_ShowHideOp.cxx
@@ -78,22 +78,6 @@ void LightApp_ShowHideOp::startOperation()
     return;
   }
 
-  QString mod_name;
-  if( sel->count()>0 )
-  {
-    QString aStr =  sel->parameter( 0, "displayer" ).toString();
-    mod_name = app->moduleTitle( aStr );
-  }
-  else if( app->activeModule() )
-    mod_name = app->moduleTitle( app->activeModule()->name() );
-
-  LightApp_Displayer* d = LightApp_Displayer::FindDisplayer( mod_name, true );
-  if( !d )
-  {
-    abort();
-    return;
-  }
-
   if( myActionType==DISPLAY_ONLY || myActionType==ERASE_ALL )
   {
     //ERASE ALL
@@ -108,12 +92,30 @@ void LightApp_ShowHideOp::startOperation()
     }
     if( myActionType==ERASE_ALL )
     {
-      d->UpdateViewer();
+      // Temporary displayer just to update viewer!
+      LightApp_Displayer ld;
+      ld.UpdateViewer();
       commit();
       return;
     }
   }
 
+  QString mod_name;
+  if( sel->count()>0 )
+  {
+    QString aStr =  sel->parameter( 0, "displayer" ).toString();
+    mod_name = app->moduleTitle( aStr );
+  }
+  else if( app->activeModule() )
+    mod_name = app->moduleTitle( app->activeModule()->name() );
+
+  LightApp_Displayer* d = LightApp_Displayer::FindDisplayer( mod_name, true );
+  if( !d )
+  {
+    abort();
+    return;
+  }
+
   QStringList entries;
 
 #ifndef DISABLE_SALOMEOBJECT
-- 
2.39.2