| /* |
| * 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.refactoring.introduce.constant; |
| |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.containers.HashSet; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.codeInsight.controlflow.ScopeOwner; |
| import com.jetbrains.python.codeInsight.imports.AddImportHelper; |
| import com.jetbrains.python.psi.PyExpression; |
| import com.jetbrains.python.psi.PyFile; |
| import com.jetbrains.python.psi.PyParameterList; |
| import com.jetbrains.python.refactoring.PyReplaceExpressionUtil; |
| import com.jetbrains.python.refactoring.introduce.IntroduceHandler; |
| import com.jetbrains.python.refactoring.introduce.IntroduceOperation; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collection; |
| |
| /** |
| * @author Alexey.Ivanov |
| */ |
| public class PyIntroduceConstantHandler extends IntroduceHandler { |
| public PyIntroduceConstantHandler() { |
| super(new ConstantValidator(), PyBundle.message("refactoring.introduce.constant.dialog.title")); |
| } |
| |
| @Override |
| protected PsiElement replaceExpression(PsiElement expression, PyExpression newExpression, IntroduceOperation operation) { |
| if (PsiTreeUtil.getParentOfType(expression, ScopeOwner.class) instanceof PyFile) { |
| return super.replaceExpression(expression, newExpression, operation); |
| } |
| return PyReplaceExpressionUtil.replaceExpression(expression, newExpression); |
| } |
| |
| @Override |
| protected PsiElement addDeclaration(@NotNull final PsiElement expression, |
| @NotNull final PsiElement declaration, |
| @NotNull final IntroduceOperation operation) { |
| final PsiElement anchor = expression.getContainingFile(); |
| assert anchor instanceof PyFile; |
| return anchor.addBefore(declaration, AddImportHelper.getFileInsertPosition((PyFile)anchor)); |
| } |
| |
| @Override |
| protected Collection<String> generateSuggestedNames(@NotNull final PyExpression expression) { |
| Collection<String> names = new HashSet<String>(); |
| for (String name : super.generateSuggestedNames(expression)) { |
| names.add(StringUtil.toUpperCase(name)); |
| } |
| return names; |
| } |
| |
| @Override |
| protected boolean isValidIntroduceContext(PsiElement element) { |
| return super.isValidIntroduceContext(element) || PsiTreeUtil.getParentOfType(element, PyParameterList.class) != null; |
| } |
| |
| @Override |
| protected String getHelpId() { |
| return "python.reference.introduceConstant"; |
| } |
| } |