| /* |
| * 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.closure; |
| |
| 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.NotNull; |
| import org.jetbrains.plugins.groovy.intentions.base.Intention; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyRecursiveElementVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.params.GrParameter; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.params.GrParameterList; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class ConvertClosureArgToItIntention extends Intention { |
| |
| |
| @Override |
| @NotNull |
| public PsiElementPredicate getElementPredicate() { |
| return new SingleArgClosurePredicate(); |
| } |
| |
| @Override |
| public void processIntention(@NotNull PsiElement element, Project project, Editor editor) |
| throws IncorrectOperationException { |
| final GrClosableBlock closure = |
| (GrClosableBlock) element; |
| |
| final GrParameterList parameterList = closure.getParameterList(); |
| final GrParameter parameter = parameterList.getParameters()[0]; |
| final Set<GrReferenceExpression> referencesToChange = new HashSet<GrReferenceExpression>(); |
| final GroovyRecursiveElementVisitor visitor = new GroovyRecursiveElementVisitor() { |
| @Override |
| public void visitReferenceExpression(GrReferenceExpression referenceExpression) { |
| super.visitReferenceExpression(referenceExpression); |
| if (!referenceExpression.getText().equals(parameter.getName())) { |
| return; |
| } |
| final PsiElement referent = referenceExpression.resolve(); |
| if (parameter.equals(referent)) { |
| referencesToChange.add(referenceExpression); |
| } |
| } |
| }; |
| closure.accept(visitor); |
| parameter.delete(); |
| for (GrReferenceExpression referenceExpression : referencesToChange) { |
| PsiImplUtil.replaceExpression("it", referenceExpression); |
| } |
| } |
| |
| } |