| /* |
| * Copyright 2003-2014 Dave Griffith, 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.bool; |
| |
| import com.intellij.psi.PsiBinaryExpression; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiJavaToken; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.IntentionPowerPackBundle; |
| import com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ig.psiutils.ComparisonUtils; |
| import com.siyeh.ipp.base.MutablyNamedIntention; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class FlipComparisonIntention extends MutablyNamedIntention { |
| |
| public String getTextForElement(PsiElement element) { |
| String operatorText = ""; |
| String flippedOperatorText = ""; |
| final PsiBinaryExpression expression = (PsiBinaryExpression)element; |
| if (expression != null) { |
| final PsiJavaToken sign = expression.getOperationSign(); |
| operatorText = sign.getText(); |
| flippedOperatorText = |
| ComparisonUtils.getFlippedComparison(sign.getTokenType()); |
| } |
| if (operatorText.equals(flippedOperatorText)) { |
| return IntentionPowerPackBundle.message("flip.smth.intention.name", |
| operatorText); |
| } |
| else { |
| return IntentionPowerPackBundle.message( |
| "flip.comparison.intention.name", |
| operatorText, flippedOperatorText); |
| } |
| } |
| |
| @NotNull |
| public PsiElementPredicate getElementPredicate() { |
| return new ComparisonPredicate(); |
| } |
| |
| public void processIntention(@NotNull PsiElement element) |
| throws IncorrectOperationException { |
| final PsiBinaryExpression expression = |
| (PsiBinaryExpression)element; |
| final PsiExpression lhs = expression.getLOperand(); |
| final PsiExpression rhs = expression.getROperand(); |
| final IElementType tokenType = expression.getOperationTokenType(); |
| assert rhs != null; |
| final String expString = rhs.getText() + |
| ComparisonUtils.getFlippedComparison(tokenType) + |
| lhs.getText(); |
| PsiReplacementUtil.replaceExpression(expression, expString); |
| } |
| } |