From 00a97e3005d40c111f67a1d0193707b2292781c7 Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Tue, 10 Jul 2018 21:55:59 +0300
Subject: [PATCH] IDEA-189742: update presentation for parent folders of
 removed files

---
 .../ide/projectView/impl/AsyncProjectViewSupport.java        | 5 +++++
 .../src/com/intellij/ide/scopeView/ScopeViewTreeModel.java   | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/ide/projectView/impl/AsyncProjectViewSupport.java b/platform/lang-impl/src/com/intellij/ide/projectView/impl/AsyncProjectViewSupport.java
index 119ea7ad7d35..f627b6cd2baf 100644
--- a/platform/lang-impl/src/com/intellij/ide/projectView/impl/AsyncProjectViewSupport.java
+++ b/platform/lang-impl/src/com/intellij/ide/projectView/impl/AsyncProjectViewSupport.java
@@ -225,6 +225,11 @@ class AsyncProjectViewSupport {
   }
 
   private void updatePresentationsFromRootTo(@NotNull VirtualFile file) {
+    // find first valid parent for removed file
+    while (!file.isValid()) {
+      file = file.getParent();
+      if (file == null) return;
+    }
     SmartList<TreePath> list = new SmartList<>();
     acceptAndUpdate(new ProjectViewFileVisitor(file, null) {
       @NotNull
diff --git a/platform/lang-impl/src/com/intellij/ide/scopeView/ScopeViewTreeModel.java b/platform/lang-impl/src/com/intellij/ide/scopeView/ScopeViewTreeModel.java
index c8e386e6d1be..f93b9d94bd8b 100644
--- a/platform/lang-impl/src/com/intellij/ide/scopeView/ScopeViewTreeModel.java
+++ b/platform/lang-impl/src/com/intellij/ide/scopeView/ScopeViewTreeModel.java
@@ -273,6 +273,11 @@ public final class ScopeViewTreeModel extends BaseTreeModel<AbstractTreeNode> im
   }
 
   private void notifyPresentationChanged(@NotNull VirtualFile file) {
+    // find first valid parent for removed file
+    while (!file.isValid()) {
+      file = file.getParent();
+      if (file == null) return;
+    }
     List<Node> list = new SmartList<>();
     find(file, list, found -> {
       list.forEach(node -> update(node, false));