From b4a776676cac4835a10e227f4aa91168d2a2045b Mon Sep 17 00:00:00 2001
From: "Denis.Zhdanov" <Denis.Zhdanov@jetbrains.com>
Date: Tue, 11 Sep 2012 20:24:08 +0400
Subject: [PATCH] EA-38977 - assert: FoldingModelImpl.expandFoldRegion

Don't update fold regions from thread over than EDT
---
 .../folding/impl/CodeFoldingManagerImpl.java  | 30 ++++++++-----------
 1 file changed, 12 insertions(+), 18 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
index 6a33a45fc5ee..10999a526730 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
@@ -227,31 +227,25 @@ public class CodeFoldingManagerImpl extends CodeFoldingManager implements Projec
         if (runnable != null) {
           runnable.run();
         }
-
-        UIUtil.invokeLaterIfNeeded(new Runnable() {
+        if (myProject.isDisposed() || editor.isDisposed()) return;
+        foldingModel.runBatchFoldingOperation(new Runnable() {
           @Override
           public void run() {
-            if (myProject.isDisposed() || editor.isDisposed()) return;
-            foldingModel.runBatchFoldingOperation(new Runnable() {
-              @Override
-              public void run() {
-                DocumentFoldingInfo documentFoldingInfo = getDocumentFoldingInfo(document);
-                Editor[] editors = EditorFactory.getInstance().getEditors(document, myProject);
-                for (Editor otherEditor : editors) {
-                  if (otherEditor == editor) continue;
-                  documentFoldingInfo.loadFromEditor(otherEditor);
-                  break;
-                }
-                documentFoldingInfo.setToEditor(editor);
+            DocumentFoldingInfo documentFoldingInfo = getDocumentFoldingInfo(document);
+            Editor[] editors = EditorFactory.getInstance().getEditors(document, myProject);
+            for (Editor otherEditor : editors) {
+              if (otherEditor == editor) continue;
+              documentFoldingInfo.loadFromEditor(otherEditor);
+              break;
+            }
+            documentFoldingInfo.setToEditor(editor);
 
-                documentFoldingInfo.clear();
-              }
-            });
+            documentFoldingInfo.clear();
           }
         });
       }
     };
-    editor.getFoldingModel().runBatchFoldingOperationDoNotCollapseCaret(operation);
+    UIUtil.invokeLaterIfNeeded(operation);
   }
 
   @Override