/*
 * Copyright 2000-2014 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.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jetbrains.plugins.groovy.lang.psi.impl.search;

import com.intellij.openapi.roots.ProjectFileIndex;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.search.DelegatingGlobalSearchScope;
import com.intellij.psi.search.GlobalSearchScope;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.GroovyFileType;

/**
 * @author ilyas
 */
public class GrSourceFilterScope extends DelegatingGlobalSearchScope {
  private final ProjectFileIndex myIndex;

  public GrSourceFilterScope(@NotNull final GlobalSearchScope delegate) {
    super(delegate, "groovy.sourceFilter");
    myIndex = ProjectRootManager.getInstance(getProject()).getFileIndex();
  }

  @Override
  public boolean contains(@NotNull final VirtualFile file) {
    return super.contains(file) && myIndex.isInSourceContent(file) && GroovyFileType.GROOVY_FILE_TYPE == file.getFileType();
  }
    
}

@@ -21,9 +21,9 @@
 -201
-4
+6
  Jet
@@ -957,16 +957,59 @@
 otNull;%0A
+import org.jetbrains.annotations.Nullable;%0A
 import o
@@ -1159,16 +1159,26 @@
 private 
+@Nullable 
 final Pr
@@ -1333,16 +1333,46 @@
 yIndex =
+ getProject() == null ? null :
  Project
@@ -1537,16 +1537,36 @@
 file) &&
+ (myIndex == null %7C%7C
  myIndex
@@ -1585,24 +1585,25 @@
 ontent(file)
+)
  && GroovyFi

fix NPE