java/java-impl/src/com/intellij/refactoring/actions/ChangeSignatureAction.java

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