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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,
 *  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.
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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 true 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;
    }
}