| /* |
| * 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.lang.surroundWith; |
| |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyRecursiveElementVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.GroovyResolveResult; |
| 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.expressions.path.GrMethodCallExpression; |
| |
| /** |
| * User: Dmitry.Krasilschikov |
| * Date: 22.05.2007 |
| */ |
| public class SurrounderByClosure extends GroovyManyStatementsSurrounder { |
| private static final Key<GroovyResolveResult> REF_RESOLVE_RESULT_KEY = Key.create("REF_RESOLVE_RESULT"); |
| |
| @Override |
| public String getTemplateDescription() { |
| return "{ -> ... }.call()"; |
| } |
| |
| @Override |
| protected GroovyPsiElement doSurroundElements(PsiElement[] elements, PsiElement context) throws IncorrectOperationException { |
| for (PsiElement element : elements) { |
| if (element instanceof GroovyPsiElement) { |
| ((GroovyPsiElement) element).accept(new MyMemoizingVisitor()); |
| } |
| } |
| |
| GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(elements[0].getProject()); |
| final GrMethodCallExpression call = (GrMethodCallExpression) factory.createExpressionFromText("{ -> \n}.call()", context); |
| final GrClosableBlock closure = (GrClosableBlock) ((GrReferenceExpression) call.getInvokedExpression()).getQualifierExpression(); |
| addStatements(closure, elements); |
| return call; |
| } |
| |
| @Override |
| protected TextRange getSurroundSelectionRange(GroovyPsiElement element) { |
| element.accept(new MyRestoringVisitor()); |
| assert element instanceof GrMethodCallExpression; |
| |
| final int offset = element.getTextRange().getEndOffset(); |
| return new TextRange(offset, offset); |
| } |
| |
| private static class MyMemoizingVisitor extends GroovyRecursiveElementVisitor { |
| @Override |
| public void visitReferenceExpression(GrReferenceExpression ref) { |
| if (ref.getQualifierExpression() == null) { //only unqualified references could change their targets |
| final GroovyResolveResult resolveResult = ref.advancedResolve(); |
| ref.putCopyableUserData(REF_RESOLVE_RESULT_KEY, resolveResult); |
| } |
| super.visitReferenceExpression(ref); |
| } |
| } |
| |
| private static class MyRestoringVisitor extends GroovyRecursiveElementVisitor { |
| @Override |
| public void visitReferenceExpression(GrReferenceExpression ref) { |
| final GroovyResolveResult oldResult = ref.getCopyableUserData(REF_RESOLVE_RESULT_KEY); |
| if (oldResult != null) { |
| assert ref.getQualifierExpression() == null; |
| final GroovyResolveResult newResult = ref.advancedResolve(); |
| final PsiElement oldElement = oldResult.getElement(); |
| final PsiElement newElement = newResult.getElement(); |
| if (!ref.getManager().areElementsEquivalent(oldElement, newElement) || |
| oldResult.getCurrentFileResolveContext() != newResult.getCurrentFileResolveContext()) { |
| final GrReferenceExpression qualifier = GroovyPsiElementFactory.getInstance(ref.getProject()).createReferenceExpressionFromText("owner"); |
| ref.setQualifier(qualifier); |
| } |
| } |
| super.visitReferenceExpression(ref); |
| } |
| } |
| } |