From 8003f3fb577ae3629b4f333390b7d935bec04a7f Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Tue, 31 Jul 2018 18:09:36 +0300
Subject: [PATCH] IDEA-195980: Fix save/restore expanded paths in
 AbstractProjectViewPane

---
 .../intellij/ide/projectView/impl/AbstractProjectViewPane.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/ide/projectView/impl/AbstractProjectViewPane.java b/platform/lang-impl/src/com/intellij/ide/projectView/impl/AbstractProjectViewPane.java
index 044844aa7276..5acd883f6ba9 100644
--- a/platform/lang-impl/src/com/intellij/ide/projectView/impl/AbstractProjectViewPane.java
+++ b/platform/lang-impl/src/com/intellij/ide/projectView/impl/AbstractProjectViewPane.java
@@ -497,6 +497,9 @@ public abstract class AbstractProjectViewPane implements DataProvider, Disposabl
       if (!treeState.isEmpty()) {
         myReadTreeState.put(getSubId(), treeState);
       }
+      else {
+        myReadTreeState.remove(getSubId());
+      }
     }
   }