| /* |
| * Copyright 2000-2013 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.codeInsight.completion; |
| |
| import com.intellij.codeInsight.TailType; |
| import com.intellij.codeInsight.completion.*; |
| import com.intellij.codeInsight.lookup.LookupElementBuilder; |
| import com.intellij.codeInsight.lookup.TailTypeDecorator; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiWhiteSpace; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.ProcessingContext; |
| import com.jetbrains.python.PyNames; |
| import com.jetbrains.python.PyTokenTypes; |
| import com.jetbrains.python.psi.LanguageLevel; |
| import com.jetbrains.python.psi.PyClass; |
| import com.jetbrains.python.psi.PyFunction; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import static com.intellij.patterns.PlatformPatterns.psiElement; |
| |
| /** |
| * @author yole |
| */ |
| public class PySuperMethodCompletionContributor extends CompletionContributor { |
| public PySuperMethodCompletionContributor() { |
| extend(CompletionType.BASIC, |
| psiElement().afterLeafSkipping(psiElement().whitespace(), psiElement().withElementType(PyTokenTypes.DEF_KEYWORD)), |
| new CompletionProvider<CompletionParameters>() { |
| @Override |
| protected void addCompletions(@NotNull CompletionParameters parameters, |
| ProcessingContext context, |
| @NotNull CompletionResultSet result) { |
| PsiElement position = parameters.getOriginalPosition(); |
| PyClass containingClass = PsiTreeUtil.getParentOfType(position, PyClass.class); |
| if (containingClass == null && position instanceof PsiWhiteSpace) { |
| position = PsiTreeUtil.prevLeaf(position); |
| containingClass = PsiTreeUtil.getParentOfType(position, PyClass.class); |
| } |
| if (containingClass == null) { |
| return; |
| } |
| Set<String> seenNames = new HashSet<String>(); |
| for (PyFunction function : containingClass.getMethods()) { |
| seenNames.add(function.getName()); |
| } |
| LanguageLevel languageLevel = LanguageLevel.forElement(parameters.getOriginalFile()); |
| seenNames.addAll(PyNames.getBuiltinMethods(languageLevel).keySet()); |
| for (PyClass ancestor : containingClass.getAncestorClasses()) { |
| for (PyFunction superMethod : ancestor.getMethods()) { |
| if (!seenNames.contains(superMethod.getName())) { |
| String text = superMethod.getName() + superMethod.getParameterList().getText(); |
| LookupElementBuilder element = LookupElementBuilder.create(text); |
| result.addElement(TailTypeDecorator.withTail(element, TailType.CASE_COLON)); |
| seenNames.add(superMethod.getName()); |
| } |
| } |
| } |
| } |
| }); |
| } |
| } |