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   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
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   ****************************************************************/
  package org.apache.cayenne.modeler.action;
  
  import java.util.Arrays;
  
  import org.apache.cayenne.configuration.ConfigurationNode;
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.editor.ObjCallbackMethod;
  
  public class CopyCallbackMethodAction extends CopyAction implements MultipleObjectsAction {
  
      private final static String ACTION_NAME = "Copy Callback Method";
  
      /**
       * Name of action if multiple attrs are selected
       */
      private final static String ACTION_NAME_MULTIPLE = "Copy Callback Methods";
  
      public static String getActionName() {
          return ACTION_NAME;
      }
  
      public String getActionName(boolean multiple) {
          return multiple ? ACTION_NAME_MULTIPLE : ACTION_NAME;
      }
  
      public CopyCallbackMethodAction(Application application) {
          super(ACTION_NAME, application);
      }
  
      /**
       * Returns <code>true</code> if last object in the path contains a removable
       * attribute.
       */
      @Override
      public boolean enableForPath(ConfigurationNode object) {
          if (object == null) {
              return false;
          }
  
          return object instanceof ObjCallbackMethod;
      }
  
      @Override
      public Object copy(ProjectController mediator) {
          Object[] methods = getProjectController().getCurrentCallbackMethods();
  
          if (methods != null && methods.length > 0) {
              return Arrays.asList(methods);
          }
  
          return null;
      }
  }
  