| /* |
| * Copyright 2009 Bas Leijdekkers |
| * |
| * 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.siyeh.ipp.opassign; |
| |
| import com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ipp.base.MutablyNamedIntention; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import com.siyeh.IntentionPowerPackBundle; |
| import com.intellij.psi.*; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ReplaceAssignmentWithPostfixExpressionIntention |
| extends MutablyNamedIntention { |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return new ReplaceAssignmentWithPostfixExpressionPredicate(); |
| } |
| |
| @Override |
| protected String getTextForElement(PsiElement element) { |
| final PsiAssignmentExpression assignmentExpression = |
| (PsiAssignmentExpression)element; |
| final PsiBinaryExpression rhs = |
| (PsiBinaryExpression)assignmentExpression.getRExpression(); |
| final PsiExpression lhs = assignmentExpression.getLExpression(); |
| final String lhsText = lhs.getText(); |
| final IElementType tokenType; |
| if (rhs == null) { |
| tokenType = null; |
| } |
| else { |
| tokenType = rhs.getOperationTokenType(); |
| } |
| final String replacementText; |
| if (JavaTokenType.MINUS.equals(tokenType)) { |
| replacementText = lhsText + "--"; |
| } |
| else { |
| replacementText = lhsText + "++"; |
| } |
| return IntentionPowerPackBundle.message( |
| "replace.some.operator.with.other.intention.name", "=", |
| replacementText); |
| } |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element) |
| throws IncorrectOperationException { |
| final PsiAssignmentExpression assignmentExpression = |
| (PsiAssignmentExpression)element; |
| final PsiExpression lhs = assignmentExpression.getLExpression(); |
| final String lhsText = lhs.getText(); |
| final PsiExpression rhs = assignmentExpression.getRExpression(); |
| if (!(rhs instanceof PsiBinaryExpression)) { |
| return; |
| } |
| final PsiBinaryExpression binaryExpression = (PsiBinaryExpression)rhs; |
| final IElementType tokenType = binaryExpression.getOperationTokenType(); |
| if (JavaTokenType.PLUS.equals(tokenType)) { |
| PsiReplacementUtil.replaceExpression(assignmentExpression, lhsText + "++"); |
| } |
| else if (JavaTokenType.MINUS.equals(tokenType)) { |
| PsiReplacementUtil.replaceExpression(assignmentExpression, lhsText + "--"); |
| } |
| } |
| } |