From 02759578c19f006705dcba577fa5f3a600bfb18d Mon Sep 17 00:00:00 2001
From: Konstantin Bulenkov <kb@jetbrains.com>
Date: Thu, 20 Sep 2012 22:07:00 +0400
Subject: [PATCH] rollback readAction

---
 .../ide/util/treeView/AbstractTreeBuilder.java     | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeBuilder.java b/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeBuilder.java
index 9d65fe6f8849..3c8b22af5096 100644
--- a/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeBuilder.java
+++ b/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeBuilder.java
@@ -447,7 +447,19 @@ public class AbstractTreeBuilder implements Disposable {
 
   protected void runBackgroundLoading(@NotNull final Runnable runnable) {
     if (isDisposed()) return;
-    runnable.run();
+
+    final Application app = ApplicationManager.getApplication();
+    if (app != null) {
+      app.runReadAction(new Runnable() {
+        @Override
+        public void run() {
+          runnable.run();
+        }
+      });
+    }
+    else {
+      runnable.run();
+    }
   }
 
   protected void updateAfterLoadedInBackground(@NotNull Runnable runnable) {