PyJavaImportCandidateProvider.java

/*
 * 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 com.jetbrains.python.psi.impl;

import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleUtil;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.ProjectScope;
import com.intellij.psi.search.PsiShortNamesCache;
import com.intellij.psi.util.QualifiedName;
import com.jetbrains.python.codeInsight.imports.AutoImportQuickFix;
import com.jetbrains.python.codeInsight.imports.PyImportCandidateProvider;

/**
 * @author yole
 */
public class PyJavaImportCandidateProvider implements PyImportCandidateProvider {
  @Override
  public void addImportCandidates(PsiReference reference, String name, AutoImportQuickFix quickFix) {
    final PsiElement element = reference.getElement();
    final Project project = element.getProject();
    Module module = ModuleUtil.findModuleForPsiElement(element);
    GlobalSearchScope scope = module == null ? ProjectScope.getAllScope(project) : module.getModuleWithDependenciesAndLibrariesScope(false);
    PsiShortNamesCache cache = PsiShortNamesCache.getInstance(project);
    final PsiClass[] classesByName = cache.getClassesByName(name, scope);
    for (PsiClass psiClass : classesByName) {
      final String qualifiedName = psiClass.getQualifiedName();
      if (qualifiedName == null) {
        continue;
      }
      final QualifiedName packageQName = QualifiedName.fromDottedString(qualifiedName).removeLastComponent();
      quickFix.addImport(psiClass, psiClass.getContainingFile(), packageQName);
    }
  }
}