From d4470d16af9da01828b0654317a150670044b6c5 Mon Sep 17 00:00:00 2001
From: Tom Herold <tom.herold@scalableminds.com>
Date: Thu, 11 Jul 2019 14:50:41 +0200
Subject: [PATCH] fixed expand all trees bug #4162

---
 .../oxalis/view/right-menu/tree_hierarchy_view.js          | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/frontend/javascripts/oxalis/view/right-menu/tree_hierarchy_view.js b/frontend/javascripts/oxalis/view/right-menu/tree_hierarchy_view.js
index d111a08b104..ed635eadbd6 100644
--- a/frontend/javascripts/oxalis/view/right-menu/tree_hierarchy_view.js
+++ b/frontend/javascripts/oxalis/view/right-menu/tree_hierarchy_view.js
@@ -181,18 +181,23 @@ class TreeHierarchyView extends React.PureComponent<Props, State> {
   };
 
   setExpansionOfAllSubgroupsTo = (groupId: number, expanded: boolean) => {
+    const newExpandedGroupIds = Object.assign({}, this.state.expandedGroupIds);
     const collapseAllGroups = groupTree => {
       const copyOfGroupTree = _.cloneDeep(groupTree);
       findTreeNode(copyOfGroupTree, groupId, item => {
         forEachTreeNode(item.children, node => {
           if (node.type === TYPE_GROUP) {
             node.expanded = expanded;
+            newExpandedGroupIds[node.id] = expanded;
           }
         });
       });
       return copyOfGroupTree;
     };
-    this.setState(prevState => ({ groupTree: collapseAllGroups(prevState.groupTree) }));
+    this.setState(prevState => ({
+      groupTree: collapseAllGroups(prevState.groupTree),
+      expandedGroupIds: newExpandedGroupIds,
+    }));
   };
 
   onMoveNode = (params: {