| /* |
| * 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.lang.ASTNode; |
| import com.intellij.lang.surroundWith.Surrounder; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiComment; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrBlockStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrCodeBlock; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| /** |
| * User: Dmitry.Krasilschikov |
| * Date: 22.05.2007 |
| */ |
| public abstract class GroovyManyStatementsSurrounder implements Surrounder { |
| |
| @Override |
| public boolean isApplicable(@NotNull PsiElement[] elements) { |
| if (elements.length == 0) return false; |
| |
| for (PsiElement element : elements) { |
| if (!isStatement(element)) return false; |
| } |
| |
| if (elements[0] instanceof GrBlockStatement) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public static boolean isStatement(@NotNull PsiElement element) { |
| return ";".equals(element.getText()) || element instanceof PsiComment || StringUtil.isEmptyOrSpaces(element.getText()) || PsiUtil.isExpressionStatement(element); |
| } |
| |
| @Override |
| @Nullable |
| public TextRange surroundElements(@NotNull Project project, @NotNull Editor editor, @NotNull PsiElement[] elements) throws IncorrectOperationException { |
| if (elements.length == 0) return null; |
| |
| PsiElement element1 = elements[0]; |
| final GroovyPsiElement newStmt = doSurroundElements(elements, element1.getParent()); |
| assert newStmt != null; |
| |
| ASTNode parentNode = element1.getParent().getNode(); |
| if (elements.length > 1) { |
| parentNode.removeRange(element1.getNode().getTreeNext(), elements[elements.length - 1].getNode().getTreeNext()); |
| } |
| parentNode.replaceChild(element1.getNode(), newStmt.getNode()); |
| |
| return getSurroundSelectionRange(newStmt); |
| } |
| |
| protected static void addStatements(GrCodeBlock block, PsiElement[] elements) throws IncorrectOperationException { |
| block.addRangeBefore(elements[0], elements[elements.length - 1], block.getRBrace()); |
| } |
| |
| protected abstract GroovyPsiElement doSurroundElements(PsiElement[] elements, PsiElement context) throws IncorrectOperationException; |
| |
| protected abstract TextRange getSurroundSelectionRange(GroovyPsiElement element); |
| } |