| /* |
| * Copyright 2000-2012 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.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.refactoring.BaseRefactoringIntentionAction; |
| import com.intellij.refactoring.encapsulateFields.EncapsulateFieldsHandler; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Danila Ponomarenko |
| */ |
| public class EncapsulateFieldAction extends BaseRefactoringIntentionAction { |
| |
| @NotNull |
| @Override |
| public String getText() { |
| return CodeInsightBundle.message("intention.encapsulate.field.text"); |
| } |
| |
| @NotNull |
| @Override |
| public final String getFamilyName() { |
| return getText(); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, @NotNull PsiElement element) { |
| if (element instanceof SyntheticElement){ |
| return false; |
| } |
| |
| final PsiField field = getField(element); |
| return field != null && !field.hasModifierProperty(PsiModifier.FINAL) && !field.hasModifierProperty(PsiModifier.PRIVATE); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, @NotNull PsiElement element) throws IncorrectOperationException { |
| final PsiField field = getField(element); |
| if (field == null) { |
| return; |
| } |
| |
| new EncapsulateFieldsHandler().invoke(project, new PsiElement[]{field}, null); |
| } |
| |
| |
| @Nullable |
| protected static PsiField getField(@Nullable PsiElement element) { |
| if (element == null || !(element instanceof PsiIdentifier)) { |
| return null; |
| } |
| |
| final PsiElement parent = element.getParent(); |
| if (parent == null || !(parent instanceof PsiReferenceExpression)) { |
| return null; |
| } |
| final PsiReferenceExpression ref = (PsiReferenceExpression)parent; |
| final PsiExpression qualifier = ref.getQualifierExpression(); |
| if (qualifier == null || qualifier instanceof PsiThisExpression) { |
| return null; |
| } |
| |
| final PsiElement resolved = ref.resolve(); |
| if (resolved == null || !(resolved instanceof PsiField)) { |
| return null; |
| } |
| return (PsiField)resolved; |
| } |
| } |