| /* |
| * Copyright 2000-2009 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 com.intellij.codeInsight.editorActions.smartEnter; |
| |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: max |
| * Date: Sep 5, 2003 |
| * Time: 7:24:03 PM |
| * To change this template use Options | File Templates. |
| */ |
| public class MissingForBodyFixer implements Fixer { |
| @Override |
| public void apply(Editor editor, JavaSmartEnterProcessor processor, PsiElement psiElement) throws IncorrectOperationException { |
| PsiForStatement forStatement = getForStatementParent(psiElement); |
| if (forStatement == null) return; |
| |
| final Document doc = editor.getDocument(); |
| |
| PsiElement body = forStatement.getBody(); |
| if (body instanceof PsiBlockStatement) return; |
| if (body != null && startLine(doc, body) == startLine(doc, forStatement)) return; |
| |
| PsiElement eltToInsertAfter = forStatement.getRParenth(); |
| String text = "{}"; |
| if (eltToInsertAfter == null) { |
| eltToInsertAfter = forStatement; |
| text = "){}"; |
| } |
| doc.insertString(eltToInsertAfter.getTextRange().getEndOffset(), text); |
| } |
| |
| @Nullable |
| private static PsiForStatement getForStatementParent(PsiElement psiElement) { |
| PsiForStatement statement = PsiTreeUtil.getParentOfType(psiElement, PsiForStatement.class); |
| if (statement == null) return null; |
| |
| PsiStatement init = statement.getInitialization(); |
| PsiStatement update = statement.getUpdate(); |
| PsiExpression check = statement.getCondition(); |
| |
| return isValidChild(init, psiElement) || isValidChild(update, psiElement) || isValidChild(check, psiElement) ? statement : null; |
| } |
| |
| private static boolean isValidChild(PsiElement ancestor, PsiElement psiElement) { |
| if (ancestor != null) { |
| if (PsiTreeUtil.isAncestor(ancestor, psiElement, false)) { |
| if (PsiTreeUtil.hasErrorElements(ancestor)) return false; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| private static int startLine(Document doc, PsiElement psiElement) { |
| return doc.getLineNumber(psiElement.getTextRange().getStartOffset()); |
| } |
| } |