From 1fd8837d171a347c387027f2fa9c32908d7a46c5 Mon Sep 17 00:00:00 2001
From: Eugene Vigdorchik <no_reply@jetbrains.com>
Date: Mon, 24 Jan 2005 22:00:20 +0300
Subject: [PATCH] (no message)

---
 .../daemon/impl/quickfix/CreateFromUsageBaseAction.java  | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/source/com/intellij/codeInsight/daemon/impl/quickfix/CreateFromUsageBaseAction.java b/source/com/intellij/codeInsight/daemon/impl/quickfix/CreateFromUsageBaseAction.java
index ae1b70b69c0a..243e2391c344 100644
--- a/source/com/intellij/codeInsight/daemon/impl/quickfix/CreateFromUsageBaseAction.java
+++ b/source/com/intellij/codeInsight/daemon/impl/quickfix/CreateFromUsageBaseAction.java
@@ -277,18 +277,19 @@ public abstract class CreateFromUsageBaseAction extends BaseIntentionAction {
         psiClass = PsiTreeUtil.getParentOfType(psiClass, PsiClass.class);
       }
     }
-    if (!(psiClass instanceof PsiTypeParameter)) {
-      return psiClass != null && psiClass.isValid() && psiClass.getManager().isInProject(psiClass) ? new PsiClass[]{psiClass} : null;
-    } else {
+    if (psiClass instanceof PsiTypeParameter) {
       PsiClass[] supers = psiClass.getSupers();
       List<PsiClass> filtered = new ArrayList<PsiClass>();
       for (int i = 0; i < supers.length; i++) {
         PsiClass aSuper = supers[i];
-        if (!aSuper.isValid() || !aSuper.getManager().isInProject(aSuper)) continue;
+        if (!aSuper.isWritable() || !aSuper.getManager().isInProject(aSuper)) continue;
         if (!(aSuper instanceof PsiTypeParameter)) filtered.add(aSuper);
       }
       return filtered.size() > 0 ? filtered.toArray(new PsiClass[filtered.size()]) : null;
     }
+    else {
+      return psiClass != null && psiClass.getManager().isInProject(psiClass) && psiClass.isWritable() ? new PsiClass[]{psiClass} : null;
+    }
   }
 
   protected boolean isNonqualifiedReference(PsiElement result) {