| /* |
| * 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.module.Module; |
| import com.intellij.openapi.module.ModuleUtilCore; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiWhiteSpace; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.usageView.UsageInfo; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.PyTokenTypes; |
| import com.jetbrains.python.documentation.PyDocumentationSettings; |
| import com.jetbrains.python.editor.PythonDocCommentUtil; |
| import com.jetbrains.python.psi.*; |
| import com.jetbrains.python.psi.resolve.PyResolveContext; |
| import com.jetbrains.python.refactoring.PyRefactoringUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| public class PyRemoveParameterQuickFix implements LocalQuickFix { |
| |
| @NotNull |
| public String getName() { |
| return PyBundle.message("QFIX.NAME.remove.parameter"); |
| } |
| |
| @NonNls |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| public void applyFix(@NotNull final Project project, @NotNull final ProblemDescriptor descriptor) { |
| final PsiElement element = descriptor.getPsiElement(); |
| assert element instanceof PyParameter; |
| |
| final PyFunction pyFunction = PsiTreeUtil.getParentOfType(element, PyFunction.class); |
| |
| if (pyFunction != null) { |
| final List<UsageInfo> usages = PyRefactoringUtil.findUsages(pyFunction, false); |
| for (UsageInfo usage : usages) { |
| final PsiElement usageElement = usage.getElement(); |
| if (usageElement != null) { |
| final PsiElement callExpression = usageElement.getParent(); |
| if (callExpression instanceof PyCallExpression) { |
| final PyArgumentList argumentList = ((PyCallExpression)callExpression).getArgumentList(); |
| if (argumentList != null) { |
| final CallArgumentsMapping mapping = argumentList.analyzeCall(PyResolveContext.noImplicits()); |
| for (Map.Entry<PyExpression, PyNamedParameter> parameterEntry : mapping.getPlainMappedParams().entrySet()) { |
| if (parameterEntry.getValue().equals(element)) { |
| parameterEntry.getKey().delete(); |
| } |
| } |
| } |
| } |
| } |
| } |
| final PyStringLiteralExpression expression = pyFunction.getDocStringExpression(); |
| final String paramName = ((PyParameter)element).getName(); |
| if (expression != null && paramName != null) { |
| final Module module = ModuleUtilCore.findModuleForPsiElement(pyFunction); |
| assert module != null; |
| PyDocumentationSettings documentationSettings = PyDocumentationSettings.getInstance(module); |
| String prefix = documentationSettings.isEpydocFormat(pyFunction.getContainingFile()) ? "@" : ":"; |
| final String replacement = PythonDocCommentUtil.removeParamFromDocstring(expression.getText(), prefix, paramName); |
| PyExpression str = |
| PyElementGenerator.getInstance(project).createDocstring(replacement).getExpression(); |
| expression.replace(str); |
| } |
| } |
| |
| final PsiElement nextSibling = PsiTreeUtil.skipSiblingsForward(element, PsiWhiteSpace.class); |
| final PsiElement prevSibling = PsiTreeUtil.skipSiblingsBackward(element, PsiWhiteSpace.class); |
| element.delete(); |
| if (nextSibling != null && nextSibling.getNode().getElementType().equals(PyTokenTypes.COMMA)) { |
| nextSibling.delete(); |
| return; |
| } |
| if (prevSibling != null && prevSibling.getNode().getElementType().equals(PyTokenTypes.COMMA)) { |
| prevSibling.delete(); |
| } |
| |
| } |
| } |