| /* |
| * Copyright 2000-2012 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.intellij.codeInsight.unwrap; |
| |
| import com.intellij.codeInsight.CodeInsightBundle; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiPolyadicExpression; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Danila Ponomarenko |
| */ |
| public class JavaPolyadicExpressionUnwrapper extends JavaUnwrapper { |
| public JavaPolyadicExpressionUnwrapper() { |
| super(""); |
| } |
| |
| @Override |
| public String getDescription(PsiElement e) { |
| return CodeInsightBundle.message("unwrap.with.placeholder", e.getText()); |
| } |
| |
| @Override |
| public boolean isApplicableTo(PsiElement e) { |
| if (!(e.getParent() instanceof PsiPolyadicExpression)) { |
| return false; |
| } |
| |
| final PsiPolyadicExpression expression = (PsiPolyadicExpression)e.getParent(); |
| |
| final PsiExpression operand = findOperand(e, expression); |
| |
| return operand != null; |
| } |
| |
| @Override |
| protected void doUnwrap(PsiElement element, Context context) throws IncorrectOperationException { |
| final PsiPolyadicExpression parent = (PsiPolyadicExpression)element.getParent(); |
| |
| final PsiExpression operand = findOperand(element, parent); |
| |
| if (operand == null) { |
| return; |
| } |
| |
| context.extractElement(operand, parent); |
| context.delete(parent); |
| } |
| |
| @Nullable |
| private static PsiExpression findOperand(@NotNull PsiElement e, @NotNull PsiPolyadicExpression expression) { |
| final TextRange elementTextRange = e.getTextRange(); |
| |
| for (PsiExpression operand : expression.getOperands()) { |
| final TextRange operandTextRange = operand.getTextRange(); |
| if (operandTextRange != null && operandTextRange.contains(elementTextRange)) { |
| return operand; |
| } |
| } |
| return null; |
| } |
| } |