GrSourceFilterScope.java

/*
 * 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.
 * 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.annotations.Nullable;
import org.jetbrains.plugins.groovy.GroovyFileType;

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

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

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