| /* |
| * Copyright 2003-2006 Dave Griffith, Bas Leijdekkers |
| * |
| * 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 com.siyeh.ipp.braces; |
| |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.psi.util.FileTypeUtils; |
| import com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class RemoveBracesIntention extends BaseBracesIntention { |
| |
| @NotNull |
| protected PsiElementPredicate getElementPredicate() { |
| return new PsiElementPredicate() { |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| final PsiStatement statement = getSurroundingStatement(element); |
| if (statement == null || !(statement instanceof PsiBlockStatement)) { |
| return false; |
| } |
| |
| final PsiStatement[] statements = ((PsiBlockStatement)statement).getCodeBlock().getStatements(); |
| if (statements.length != 1 || statements[0] instanceof PsiDeclarationStatement) { |
| return false; |
| } |
| final PsiFile file = statement.getContainingFile(); |
| //this intention doesn't work in JSP files, as it can't tell about tags |
| // inside the braces |
| return !FileTypeUtils.isInServerPageFile(file); |
| } |
| }; |
| } |
| |
| @NotNull |
| @Override |
| protected String getMessageKey() { |
| return "remove.braces.intention.name"; |
| } |
| |
| protected void processIntention(@NotNull PsiElement element) |
| throws IncorrectOperationException { |
| final PsiStatement body = getSurroundingStatement(element); |
| if (body == null || !(body instanceof PsiBlockStatement)) return; |
| final PsiBlockStatement blockStatement = (PsiBlockStatement)body; |
| |
| final PsiCodeBlock codeBlock = blockStatement.getCodeBlock(); |
| final PsiStatement[] statements = codeBlock.getStatements(); |
| final PsiStatement statement = statements[0]; |
| |
| handleComments(blockStatement, codeBlock); |
| |
| final String text = statement.getText(); |
| PsiReplacementUtil.replaceStatement(blockStatement, text); |
| } |
| |
| private static void handleComments(PsiBlockStatement blockStatement, PsiCodeBlock codeBlock) { |
| final PsiElement parent = blockStatement.getParent(); |
| assert parent != null; |
| final PsiElement grandParent = parent.getParent(); |
| assert grandParent != null; |
| PsiElement sibling = codeBlock.getFirstChild(); |
| assert sibling != null; |
| sibling = sibling.getNextSibling(); |
| while (sibling != null) { |
| if (sibling instanceof PsiComment) { |
| grandParent.addBefore(sibling, parent); |
| } |
| sibling = sibling.getNextSibling(); |
| } |
| final PsiElement lastChild = blockStatement.getLastChild(); |
| if (lastChild instanceof PsiComment) { |
| final PsiElement nextSibling = parent.getNextSibling(); |
| grandParent.addAfter(lastChild, nextSibling); |
| } |
| } |
| } |