| /* |
| * Copyright 2000-2011 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.refactoring.actions; |
| |
| import com.intellij.lang.java.JavaLanguage; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiField; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.refactoring.RefactoringActionHandler; |
| import com.intellij.refactoring.encapsulateFields.EncapsulateFieldsHandler; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class EncapsulateFieldsAction extends BaseRefactoringAction { |
| public boolean isAvailableInEditorOnly() { |
| return false; |
| } |
| |
| @Override |
| protected boolean isAvailableOnElementInEditorAndFile(@NotNull PsiElement element, @NotNull Editor editor, @NotNull PsiFile file, @NotNull DataContext context) { |
| final PsiElement psiElement = file.findElementAt(editor.getCaretModel().getOffset()); |
| final PsiClass containingClass = PsiTreeUtil.getParentOfType(psiElement, PsiClass.class, false); |
| if (containingClass != null) { |
| final PsiField[] fields = containingClass.getFields(); |
| for (PsiField field : fields) { |
| if (isAcceptedField(field)) return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean isEnabledOnElements(@NotNull PsiElement[] elements) { |
| if (elements.length == 1) { |
| return elements[0] instanceof PsiClass && elements[0].getLanguage().isKindOf(JavaLanguage.INSTANCE) || isAcceptedField(elements[0]); |
| } |
| else if (elements.length > 1) { |
| for (int idx = 0; idx < elements.length; idx++) { |
| if (!isAcceptedField(elements[idx])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| public RefactoringActionHandler getHandler(@NotNull DataContext dataContext) { |
| return new EncapsulateFieldsHandler(); |
| } |
| |
| private static boolean isAcceptedField(PsiElement element) { |
| return element instanceof PsiField && |
| element.getLanguage().isKindOf(JavaLanguage.INSTANCE) && |
| ((PsiField)element).getContainingClass() != null; |
| } |
| } |