| /* |
| * Copyright 2000-2010 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.intellij.codeInsight.completion; |
| |
| import com.intellij.codeInsight.lookup.AutoCompletionPolicy; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.Consumer; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * @author peter |
| */ |
| public class InheritorsHolder implements Consumer<LookupElement> { |
| private final PsiElement myPosition; |
| private final Set<String> myAddedClasses = new HashSet<String>(); |
| private final CompletionResultSet myResult; |
| |
| public InheritorsHolder(PsiElement position, CompletionResultSet result) { |
| myPosition = position; |
| myResult = result; |
| } |
| |
| @Override |
| public void consume(LookupElement lookupElement) { |
| final Object object = lookupElement.getObject(); |
| if (object instanceof PsiClass) { |
| registerClass((PsiClass)object); |
| } |
| myResult.addElement(AutoCompletionPolicy.NEVER_AUTOCOMPLETE.applyPolicy(lookupElement)); |
| } |
| |
| public void registerClass(PsiClass psiClass) { |
| ContainerUtil.addIfNotNull(myAddedClasses, getClassName(psiClass)); |
| } |
| |
| @Nullable |
| private static String getClassName(PsiClass psiClass) { |
| String name = psiClass.getQualifiedName(); |
| return name == null ? psiClass.getName() : name; |
| } |
| |
| public boolean alreadyProcessed(@NotNull LookupElement element) { |
| final Object object = element.getObject(); |
| return object instanceof PsiClass && alreadyProcessed((PsiClass)object); |
| } |
| |
| public boolean alreadyProcessed(@NotNull PsiClass object) { |
| final String name = getClassName(object); |
| return name == null || myAddedClasses.contains(name); |
| } |
| } |