| /* |
| * 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.unwrap; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.psi.*; |
| import com.jetbrains.python.psi.impl.PyIfPartIfImpl; |
| |
| import java.util.List; |
| |
| /** |
| * User : ktisha |
| */ |
| public class PyIfUnwrapper extends PyUnwrapper { |
| public PyIfUnwrapper() { |
| super(PyBundle.message("unwrap.if")); |
| } |
| |
| public boolean isApplicableTo(PsiElement e) { |
| if (e instanceof PyIfPartIfImpl) { |
| final PyStatementList statementList = ((PyIfPartIfImpl)e).getStatementList(); |
| if (statementList != null) { |
| final PyStatement[] statements = statementList.getStatements(); |
| return statements.length == 1 && !(statements[0] instanceof PyPassStatement) || statements.length > 1; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public PsiElement collectAffectedElements(PsiElement e, List<PsiElement> toExtract) { |
| super.collectAffectedElements(e, toExtract); |
| return PsiTreeUtil.getParentOfType(e, PyIfStatement.class); |
| } |
| |
| |
| @Override |
| protected void doUnwrap(final PsiElement element, final Context context) throws IncorrectOperationException { |
| final PyIfStatement ifStatement = PsiTreeUtil.getParentOfType(element, PyIfStatement.class); |
| context.extractPart(ifStatement); |
| context.delete(ifStatement); |
| } |
| } |