From 8710f1ab96864b12a3f902eb44b72b5d9dda90a1 Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Wed, 27 May 2015 16:39:17 +0300
Subject: [PATCH] refs #534: not to show "New region" item on the empty or
 not-zone selection

---
 src/HYDROGUI/HYDROGUI_DataBrowser.cxx | 30 ++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/HYDROGUI/HYDROGUI_DataBrowser.cxx b/src/HYDROGUI/HYDROGUI_DataBrowser.cxx
index 4a553e04..57d868a1 100644
--- a/src/HYDROGUI/HYDROGUI_DataBrowser.cxx
+++ b/src/HYDROGUI/HYDROGUI_DataBrowser.cxx
@@ -322,5 +322,33 @@ void HYDROGUI_DataBrowser::setReadOnly( const bool theIsReadOnly )
 void HYDROGUI_DataBrowser::createPopupMenu( QMenu* theMenu )
 {
   theMenu->clear();
-  theMenu->addAction( tr( "ZONE_TO_NEW_REGION" ), this, SIGNAL( newRegion() ) );
+  DataObjectList aSelection = getSelected();
+  bool isOnlyZones = aSelection.size() > 0;
+  foreach( SUIT_DataObject* anObj, aSelection )
+  {
+    HYDROGUI_DataObject* aHydroObj = dynamic_cast<HYDROGUI_DataObject*>( anObj );
+    if( aHydroObj )
+    {
+      Handle(HYDROData_Entity) aModelObj = aHydroObj->modelObject();
+      if( !aModelObj.IsNull() )
+      {
+        isOnlyZones = aModelObj->GetKind()==KIND_ZONE;
+        if( !isOnlyZones )
+          break;
+      }
+      else
+      {
+        isOnlyZones = false;
+        break;
+      }
+    }
+    else
+    {
+      isOnlyZones = false;
+      break;
+    }
+  }
+
+  if( isOnlyZones )
+    theMenu->addAction( tr( "ZONE_TO_NEW_REGION" ), this, SIGNAL( newRegion() ) );
 }
-- 
2.39.2