java/java-impl/src/com/intellij/refactoring/wrapreturnvalue/WrapReturnValueAction.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.refactoring.wrapreturnvalue;
  17
  18 import com.intellij.openapi.actionSystem.DataContext;
  19 import com.intellij.psi.PsiElement;
  20 import com.intellij.psi.PsiMethod;
  21 import com.intellij.psi.util.PsiTreeUtil;
  22 import com.intellij.refactoring.RefactoringActionHandler;
  23 import com.intellij.refactoring.actions.BaseRefactoringAction;
  24
  25 public class WrapReturnValueAction extends BaseRefactoringAction{
  26
  27   protected RefactoringActionHandler getHandler(DataContext context){
  28         return new WrapReturnValueHandler();
  29     }
  30
  31   public boolean isAvailableInEditorOnly(){
  32       return false;
  33   }
  34
  35   public boolean isEnabledOnElements(PsiElement[] elements) {
  36       if (elements.length != 1) {
  37           return false;
  38       }
  39       final PsiElement element = elements[0];
  40     final PsiMethod containingMethod =
  41             PsiTreeUtil.getParentOfType(element, PsiMethod.class, false);
  42     return containingMethod != null;
  43   }
  44 }