From 8c01fc025a044d9357a0dda0fe68e56a8d3f2282 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 3 Apr 2014 13:04:59 +0200
Subject: [PATCH] initial folding should be build under a read action

---
 .../fileEditor/impl/text/PsiAwareTextEditorImpl.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/openapi/fileEditor/impl/text/PsiAwareTextEditorImpl.java b/platform/lang-impl/src/com/intellij/openapi/fileEditor/impl/text/PsiAwareTextEditorImpl.java
index 5aaad3688882..c915753999c9 100644
--- a/platform/lang-impl/src/com/intellij/openapi/fileEditor/impl/text/PsiAwareTextEditorImpl.java
+++ b/platform/lang-impl/src/com/intellij/openapi/fileEditor/impl/text/PsiAwareTextEditorImpl.java
@@ -26,6 +26,7 @@ import com.intellij.codeInsight.lookup.LookupManager;
 import com.intellij.codeInsight.lookup.impl.LookupImpl;
 import com.intellij.openapi.actionSystem.LangDataKeys;
 import com.intellij.openapi.actionSystem.PlatformDataKeys;
+import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.module.ModuleUtilCore;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -46,7 +47,11 @@ public class PsiAwareTextEditorImpl extends TextEditorImpl {
 
   @Override
   public void initFolding() {
-    CodeFoldingManager.getInstance(myProject).buildInitialFoldings(getEditor());
+    ApplicationManager.getApplication().runReadAction(new Runnable() {
+      public void run() {
+        CodeFoldingManager.getInstance(myProject).buildInitialFoldings(getEditor());
+      }
+    });
   }
 
   @Override