From eafa08cb9b226d2d2943f0fa7d8b60979f532619 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Mon, 14 Nov 2016 17:28:05 +0100
Subject: [PATCH] disable extract class for non-project sources

---
 .../refactoring/extractclass/ExtractClassHandler.java        | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/java/java-impl/src/com/intellij/refactoring/extractclass/ExtractClassHandler.java b/java/java-impl/src/com/intellij/refactoring/extractclass/ExtractClassHandler.java
index 6a6146434d54..812bd6466404 100644
--- a/java/java-impl/src/com/intellij/refactoring/extractclass/ExtractClassHandler.java
+++ b/java/java-impl/src/com/intellij/refactoring/extractclass/ExtractClassHandler.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -88,6 +88,9 @@ public class ExtractClassHandler implements ElementsHandler {
     if (classIsTrivial(containingClass)) {
       return RefactorJBundle.message("the.selected.class.has.no.members.to.extract");
     }
+    if (!containingClass.getManager().isInProject(containingClass)) {
+      return "The selected class should belong to project sources";
+    }
     return null;
   }