| /* |
| * Copyright 2000-2014 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 org.jetbrains.plugins.groovy.intentions.control; |
| |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.intentions.base.Intention; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.utils.ConditionalUtils; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.utils.ParenthesesUtils; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrIfStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| |
| public class MergeIfAndIntention extends Intention { |
| |
| |
| @Override |
| @NotNull |
| public PsiElementPredicate getElementPredicate() { |
| return new MergeIfAndPredicate(); |
| } |
| |
| @Override |
| public void processIntention(@NotNull PsiElement element, Project project, Editor editor) |
| throws IncorrectOperationException { |
| final GrIfStatement parentStatement = |
| (GrIfStatement) element; |
| final GrStatement parentThenBranch = parentStatement.getThenBranch(); |
| final GrIfStatement childStatement = |
| (GrIfStatement) ConditionalUtils.stripBraces(parentThenBranch); |
| |
| final GrExpression childCondition = childStatement.getCondition(); |
| final String childConditionText; |
| if (ParenthesesUtils.getPrecedence(childCondition) |
| > ParenthesesUtils.AND_PRECEDENCE) { |
| childConditionText = '(' + childCondition.getText() + ')'; |
| } else { |
| childConditionText = childCondition.getText(); |
| } |
| |
| final GrExpression parentCondition = parentStatement.getCondition(); |
| final String parentConditionText; |
| if (ParenthesesUtils.getPrecedence(parentCondition) |
| > ParenthesesUtils.AND_PRECEDENCE) { |
| parentConditionText = '(' + parentCondition.getText() + ')'; |
| } else { |
| parentConditionText = parentCondition.getText(); |
| } |
| |
| final GrStatement childThenBranch = childStatement.getThenBranch(); |
| @NonNls final String statement = |
| "if(" + parentConditionText + "&&" + childConditionText + ')' + |
| childThenBranch.getText(); |
| PsiImplUtil.replaceStatement(statement, parentStatement); |
| } |
| } |