| /* |
| * 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.psi.impl; |
| |
| import com.intellij.codeInsight.completion.*; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PropertyUtil; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.ProcessingContext; |
| import com.jetbrains.python.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| import static com.intellij.patterns.PlatformPatterns.psiElement; |
| |
| /** |
| * @author yole |
| */ |
| public class PyConstructorArgumentCompletionContributor extends CompletionContributor { |
| public PyConstructorArgumentCompletionContributor() { |
| extend(CompletionType.BASIC, |
| psiElement() |
| .withParents(PyReferenceExpression.class, PyArgumentList.class, PyCallExpression.class), |
| new CompletionProvider<CompletionParameters>() { |
| @Override |
| protected void addCompletions(@NotNull CompletionParameters parameters, |
| ProcessingContext context, |
| @NotNull CompletionResultSet result) { |
| final PyCallExpression call = PsiTreeUtil.getParentOfType(parameters.getOriginalPosition(), PyCallExpression.class); |
| if (call == null) return; |
| final PyExpression calleeExpression = call.getCallee(); |
| if (calleeExpression instanceof PyReferenceExpression) { |
| final PsiElement callee = ((PyReferenceExpression)calleeExpression).getReference().resolve(); |
| if (callee instanceof PsiClass) { |
| addSettersAndListeners(result, (PsiClass)callee); |
| } |
| else if (callee instanceof PsiMethod && ((PsiMethod) callee).isConstructor()) { |
| final PsiClass containingClass = ((PsiMethod)callee).getContainingClass(); |
| assert containingClass != null; |
| addSettersAndListeners(result, containingClass); |
| } |
| } |
| } |
| }); |
| } |
| |
| private static void addSettersAndListeners(CompletionResultSet result, PsiClass containingClass) { |
| // see PyJavaType.init() in Jython source code for matching logic |
| for (PsiMethod method : containingClass.getAllMethods()) { |
| if (PropertyUtil.isSimplePropertySetter(method)) { |
| final String propName = PropertyUtil.getPropertyName(method); |
| result.addElement(PyUtil.createNamedParameterLookup(propName)); |
| } |
| else if (method.getName().startsWith("add") && method.getName().endsWith("Listener") && PsiType.VOID.equals(method.getReturnType())) { |
| final PsiParameter[] parameters = method.getParameterList().getParameters(); |
| if (parameters.length == 1) { |
| final PsiType type = parameters[0].getType(); |
| if (type instanceof PsiClassType) { |
| final PsiClass parameterClass = ((PsiClassType)type).resolve(); |
| if (parameterClass != null) { |
| result.addElement(PyUtil.createNamedParameterLookup(StringUtil.decapitalize(parameterClass.getName()))); |
| for (PsiMethod parameterMethod: parameterClass.getMethods()) { |
| result.addElement(PyUtil.createNamedParameterLookup(parameterMethod.getName())); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |