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

/*
 * 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.refactoring.actions;

import com.intellij.ide.DataManager;
import com.intellij.lang.Language;
import com.intellij.lang.java.JavaLanguage;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.refactoring.RefactoringActionHandler;
import com.intellij.refactoring.typeCook.TypeCookHandler;
import org.jetbrains.annotations.NotNull;

public class TypeCookAction extends BaseRefactoringAction {

  protected boolean isAvailableInEditorOnly() {
    return false; 
  }

  public boolean isAvailableForLanguage(Language language) {
    return language.equals(JavaLanguage.INSTANCE);
  }

  public boolean isEnabledOnElements(@NotNull PsiElement[] elements) {
    Project project = CommonDataKeys.PROJECT.getData(DataManager.getInstance().getDataContext());

    if (project == null) {
      return false;
    }

    for (int i = 0; i < elements.length; i++) {
      PsiElement element = elements[i];

      if (
        !(element instanceof PsiClass ||
          element instanceof PsiJavaFile ||
          element instanceof PsiDirectory ||
          element instanceof PsiPackage
         )
      ) {
        return false;
      }
    }

    return true;
  }

  public RefactoringActionHandler getHandler(@NotNull DataContext dataContext) {
    return getHandler();
  }
  public RefactoringActionHandler getHandler() {
    return new TypeCookHandler();
  }
}