From 1056c61140a27e75d381f9ee63f85e271b66867f Mon Sep 17 00:00:00 2001
From: anna <Anna.Kozlova@jetbrains.com>
Date: Tue, 10 Jan 2012 13:14:02 +0100
Subject: [PATCH] paint in AWT thread (DEA-79489)

---
 .../packageDependencies/ui/FileTreeModelBuilder.java     | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/packageDependencies/ui/FileTreeModelBuilder.java b/platform/lang-impl/src/com/intellij/packageDependencies/ui/FileTreeModelBuilder.java
index 32396c8643e1..2d5ad682d109 100644
--- a/platform/lang-impl/src/com/intellij/packageDependencies/ui/FileTreeModelBuilder.java
+++ b/platform/lang-impl/src/com/intellij/packageDependencies/ui/FileTreeModelBuilder.java
@@ -448,7 +448,7 @@ public class FileTreeModelBuilder {
     PackageDependenciesNode directoryNode = myModuleDirNodes.get(virtualFile);
     if (directoryNode != null) {
       if (myCompactEmptyMiddlePackages) {
-        DirectoryNode nestedNode = ((DirectoryNode)directoryNode).getCompactedDirNode();
+        final DirectoryNode nestedNode = ((DirectoryNode)directoryNode).getCompactedDirNode();
         if (nestedNode != null) { //decompact
           boolean expand = false;
           if (myTree != null){
@@ -465,7 +465,12 @@ public class FileTreeModelBuilder {
           parentWrapper.add(nestedNode);
           nestedNode.removeUpReference();
           if (myTree != null && expand) {
-            myTree.expandPath(new TreePath(nestedNode.getPath()));
+            final Runnable expandRunnable = new Runnable() {
+              public void run() {
+                myTree.expandPath(new TreePath(nestedNode.getPath()));
+              }
+            };
+            SwingUtilities.invokeLater(expandRunnable);
           }
           return parentWrapper;
         }