| /* |
| * 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.unwrap; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.impl.PsiImplUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrIfStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrStatement; |
| |
| import java.util.Set; |
| |
| public abstract class GroovyElseUnwrapperBase extends GroovyUnwrapper { |
| public GroovyElseUnwrapperBase(String description) { |
| super(description); |
| } |
| |
| @Override |
| public boolean isApplicableTo(PsiElement e) { |
| return (isElseBlock(e) || isElseKeyword(e)) && isValidConstruct(e); |
| } |
| |
| private static boolean isElseKeyword(PsiElement e) { |
| PsiElement p = e.getParent(); |
| return p instanceof GrIfStatement && PsiImplUtil.isLeafElementOfType(e, GroovyTokenTypes.kELSE); |
| } |
| |
| private static boolean isValidConstruct(PsiElement e) { |
| return ((GrIfStatement)e.getParent()).getElseBranch() != null; |
| } |
| |
| @Override |
| public void collectElementsToIgnore(PsiElement element, Set<PsiElement> result) { |
| PsiElement parent = element.getParent(); |
| |
| while (parent instanceof GrIfStatement) { |
| result.add(parent); |
| parent = parent.getParent(); |
| } |
| } |
| |
| @Override |
| protected void doUnwrap(PsiElement element, Context context) throws IncorrectOperationException { |
| GrStatement elseBranch; |
| |
| if (isElseKeyword(element)) { |
| elseBranch = ((GrIfStatement)element.getParent()).getElseBranch(); |
| } |
| else { |
| elseBranch = (GrStatement)element; |
| } |
| |
| unwrapElseBranch(elseBranch, element.getParent(), context); |
| } |
| |
| protected abstract void unwrapElseBranch(GrStatement branch, PsiElement parent, Context context) throws IncorrectOperationException; |
| } |