| /* |
| * 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.inspections.quickfix; |
| |
| import com.intellij.codeInspection.LocalQuickFix; |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.usageView.UsageInfo; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.psi.*; |
| import com.jetbrains.python.refactoring.PyRefactoringUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * User: ktisha |
| */ |
| public class PyMakeMethodStaticQuickFix implements LocalQuickFix { |
| public PyMakeMethodStaticQuickFix() { |
| } |
| |
| @NotNull |
| public String getName() { |
| return PyBundle.message("QFIX.NAME.make.static"); |
| } |
| |
| @NonNls |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| public void applyFix(@NotNull final Project project, @NotNull final ProblemDescriptor descriptor) { |
| final PsiElement element = descriptor.getPsiElement(); |
| final PyFunction problemFunction = PsiTreeUtil.getParentOfType(element, PyFunction.class); |
| if (problemFunction == null) return; |
| final List<UsageInfo> usages = PyRefactoringUtil.findUsages(problemFunction, false); |
| |
| PyUtil.deleteParameter(problemFunction, 0); |
| final PyDecoratorList problemDecoratorList = problemFunction.getDecoratorList(); |
| List<String> decoTexts = new ArrayList<String>(); |
| decoTexts.add("@staticmethod"); |
| if (problemDecoratorList != null) { |
| final PyDecorator[] decorators = problemDecoratorList.getDecorators(); |
| for (PyDecorator deco : decorators) { |
| decoTexts.add(deco.getText()); |
| } |
| } |
| |
| PyElementGenerator generator = PyElementGenerator.getInstance(project); |
| final PyDecoratorList decoratorList = generator.createDecoratorList(decoTexts.toArray(new String[decoTexts.size()])); |
| |
| if (problemDecoratorList != null) { |
| problemDecoratorList.replace(decoratorList); |
| } |
| else { |
| problemFunction.addBefore(decoratorList, problemFunction.getFirstChild()); |
| } |
| |
| for (UsageInfo usage : usages) { |
| final PsiElement usageElement = usage.getElement(); |
| if (usageElement instanceof PyReferenceExpression) { |
| updateUsage((PyReferenceExpression)usageElement); |
| } |
| } |
| } |
| |
| private static void updateUsage(@NotNull final PyReferenceExpression element) { |
| final PyExpression qualifier = element.getQualifier(); |
| if (qualifier == null) return; |
| final PsiReference reference = qualifier.getReference(); |
| if (reference == null) return; |
| final PsiElement resolved = reference.resolve(); |
| if (resolved instanceof PyClass) { //call with first instance argument A.m(A()) |
| updateArgumentList(element); |
| } |
| } |
| |
| private static void updateArgumentList(@NotNull final PyReferenceExpression element) { |
| final PyCallExpression callExpression = PsiTreeUtil.getParentOfType(element, PyCallExpression.class); |
| if (callExpression == null) return; |
| PyArgumentList argumentList = callExpression.getArgumentList(); |
| if (argumentList == null) return; |
| final PyExpression[] arguments = argumentList.getArguments(); |
| if (arguments.length > 0) { |
| final PyExpression argument = arguments[0]; |
| PyUtil.eraseWhitespaceAndComma(argument.getParent().getNode(), argument, false); |
| argument.delete(); |
| } |
| } |
| } |