| /* |
| * 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.intention.impl; |
| |
| import com.intellij.codeInsight.CodeInsightBundle; |
| import com.intellij.codeInsight.intention.AddAnnotationFix; |
| import com.intellij.codeInsight.intention.IntentionAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.util.PsiUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author ven |
| */ |
| public class AddOverrideAnnotationAction implements IntentionAction { |
| private static final String JAVA_LANG_OVERRIDE = "java.lang.Override"; |
| |
| @Override |
| @NotNull |
| public String getText() { |
| return CodeInsightBundle.message("intention.add.override.annotation"); |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return CodeInsightBundle.message("intention.add.override.annotation.family"); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| if (!PsiUtil.isLanguageLevel5OrHigher(file)) return false; |
| if (!file.getManager().isInProject(file)) return false; |
| PsiMethod method = findMethod(file, editor.getCaretModel().getOffset()); |
| if (method == null) return false; |
| if (method.getModifierList().findAnnotation(JAVA_LANG_OVERRIDE) != null) return false; |
| PsiMethod[] superMethods = method.findSuperMethods(); |
| for (PsiMethod superMethod : superMethods) { |
| if (!superMethod.hasModifierProperty(PsiModifier.ABSTRACT) |
| && new AddAnnotationFix(JAVA_LANG_OVERRIDE, method).isAvailable(project, editor, file)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException { |
| PsiMethod method = findMethod(file, editor.getCaretModel().getOffset()); |
| if (method != null) { |
| new AddAnnotationFix(JAVA_LANG_OVERRIDE, method).invoke(project, editor, file); |
| } |
| } |
| |
| private static PsiMethod findMethod(PsiFile file, int offset) { |
| PsiElement element = file.findElementAt(offset); |
| PsiMethod res = PsiTreeUtil.getParentOfType(element, PsiMethod.class); |
| if (res == null) return null; |
| |
| //Not available in method's body |
| PsiCodeBlock body = res.getBody(); |
| if (body == null) return null; |
| TextRange textRange = body.getTextRange(); |
| if (textRange == null || textRange.getStartOffset() <= offset) return null; |
| |
| return res; |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return true; |
| } |
| } |