From 551bf099d3aa6c7ec1981ac85eff5cad72786a1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Jensen?= <bjorn.erik.jensen@acando.no>
Date: Fri, 9 Nov 2018 09:45:30 +0100
Subject: [PATCH] #3607 Grid items. Hide LGRs folder if there are no LGRs on
 file

---
 .../ProjectDataModel/RimGridCollection.cpp    | 21 ++++++++++++++++++-
 .../ProjectDataModel/RimGridCollection.h      |  1 +
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/ApplicationCode/ProjectDataModel/RimGridCollection.cpp b/ApplicationCode/ProjectDataModel/RimGridCollection.cpp
index 8706a4976d..1b9c856314 100644
--- a/ApplicationCode/ProjectDataModel/RimGridCollection.cpp
+++ b/ApplicationCode/ProjectDataModel/RimGridCollection.cpp
@@ -463,7 +463,10 @@ void RimGridCollection::initAfterRead()
 void RimGridCollection::defineUiTreeOrdering(caf::PdmUiTreeOrdering& uiTreeOrdering, QString uiConfigName /*= ""*/)
 {
     uiTreeOrdering.add(m_mainGrid());
-    uiTreeOrdering.add(m_persistentLgrs());
+    if (hasPersistentLgrs())
+    {
+        uiTreeOrdering.add(m_persistentLgrs());
+    }
     uiTreeOrdering.add(m_temporaryLgrs());
     uiTreeOrdering.skipRemainingChildren(true);
 }
@@ -477,3 +480,19 @@ const RigMainGrid* RimGridCollection::mainGrid() const
     firstAncestorOrThisOfType(eclipseCase);
     return eclipseCase ? eclipseCase->mainGrid() : nullptr;
 }
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RimGridCollection::hasPersistentLgrs() const
+{
+    auto mainGrid = this->mainGrid();
+    if (!mainGrid) return 0;
+
+    for (int i = 1; i < mainGrid->gridCount(); i++)
+    {
+        const auto grid = mainGrid->gridByIndex(i);
+        if (!grid->isTempGrid()) return true;
+    }
+    return false;
+}
diff --git a/ApplicationCode/ProjectDataModel/RimGridCollection.h b/ApplicationCode/ProjectDataModel/RimGridCollection.h
index 002f8af181..6cbbbccf4a 100644
--- a/ApplicationCode/ProjectDataModel/RimGridCollection.h
+++ b/ApplicationCode/ProjectDataModel/RimGridCollection.h
@@ -116,6 +116,7 @@ protected:
 
 private:
     const RigMainGrid* mainGrid() const;
+    bool               hasPersistentLgrs() const;
 
     caf::PdmField<bool>                        m_isActive;
     caf::PdmChildField<RimGridInfo*>           m_mainGrid;