| /* |
| * 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.vcsUtil; |
| |
| import com.intellij.codeInsight.TargetElementUtilBase; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.vcs.VcsBundle; |
| import com.intellij.openapi.vcs.actions.VcsContext; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.*; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author yole |
| */ |
| public class JavaVcsSelectionProvider implements VcsSelectionProvider { |
| @Nullable |
| public VcsSelection getSelection(final VcsContext context) { |
| final Editor editor = context.getEditor(); |
| if (editor == null) return null; |
| PsiElement psiElement = TargetElementUtilBase.findTargetElement(editor, TargetElementUtilBase.ELEMENT_NAME_ACCEPTED); |
| if (psiElement == null) { |
| return null; |
| } |
| if (!psiElement.isValid()) { |
| return null; |
| } |
| if (psiElement instanceof PsiCompiledElement) { |
| return null; |
| } |
| |
| final String actionName; |
| |
| if (psiElement instanceof PsiClass) { |
| actionName = VcsBundle.message("action.name.show.history.for.class"); |
| } |
| else if (psiElement instanceof PsiField) { |
| actionName = VcsBundle.message("action.name.show.history.for.field"); |
| } |
| else if (psiElement instanceof PsiMethod) { |
| actionName = VcsBundle.message("action.name.show.history.for.method"); |
| } |
| else if (psiElement instanceof PsiCodeBlock) { |
| actionName = VcsBundle.message("action.name.show.history.for.code.block"); |
| } |
| else if (psiElement instanceof PsiStatement) { |
| actionName = VcsBundle.message("action.name.show.history.for.statement"); |
| } |
| else { |
| return null; |
| } |
| |
| TextRange textRange = psiElement.getTextRange(); |
| if (textRange == null) { |
| return null; |
| } |
| |
| VirtualFile virtualFile = psiElement.getContainingFile().getVirtualFile(); |
| if (virtualFile == null) { |
| return null; |
| } |
| if (!virtualFile.isValid()) { |
| return null; |
| } |
| |
| Document document = FileDocumentManager.getInstance().getDocument(virtualFile); |
| return new VcsSelection(document, textRange, actionName); |
| } |
| } |