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eFaps is a framework used to map objects with or without attached files to a relational database and optional file systems (only for attaches files). Configurable access control can be provided down to object and attribute level depending on implementation and use case. Depending on requirements, events (like triggers) allow to implement business logic and to separate business logic from user interface. The framework includes integrations (e.g. webdav, full text search) and a web application as 'simple' configurable user interface. Some best practises, example web application modules (e.g. team work module) support administrators and implementers using this framework.

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/*
 * Copyright 2003 - 2012 The eFaps Team
 *
 * 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.
 *
 * Revision:        $Rev: 7483 $
 * Last Changed:    $Date: 2012-05-11 11:57:38 -0500 (Fri, 11 May 2012) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.update.schema.ui;

import java.net.URL;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.efaps.update.LinkInstance;

/**
 * @author The eFaps Team
 * @version $Id: MenuUpdate.java 7483 2012-05-11 16:57:38Z [email protected] $
 */
public class MenuUpdate
    extends CommandUpdate
{
    /**
     * The links for the Menu to be updated.
     */
    protected static final Set ALLLINKS = new HashSet();

    /** Link from menu to child command / menu. */
    private static final Link LINK2CHILD = new OrderedLink("Admin_UI_Menu2Command",
                                                           "FromMenu",
                                                           "Admin_UI_Command", "ToCommand");

    /** Link from menu to type as type tree menu. */
    private static final Link LINK2TYPE = new Link("Admin_UI_LinkIsTypeTreeFor",
                                                   "From",
                                                   "Admin_DataModel_Type", "To");

    static  {
        MenuUpdate.ALLLINKS.add(MenuUpdate.LINK2CHILD);
        MenuUpdate.ALLLINKS.add(MenuUpdate.LINK2TYPE);
        MenuUpdate.ALLLINKS.addAll(CommandUpdate.ALLLINKS);
    }

    /**
     * @param _url URL to the Configuration Item.
     */
    public MenuUpdate(final URL _url)
    {
        super(_url, "Admin_UI_Menu", MenuUpdate.ALLLINKS);
    }

    /**
     *
     * @param _url        URL to the Configuration Item.
     * @param _typeName     Name of the type
     * @param _allLinks     link definitions
     */
    protected MenuUpdate(final URL _url,
                         final String _typeName,
                         final Set _allLinks)
    {
        super(_url, _typeName, _allLinks);
    }

    /**
     * Creates new instance of class {@link MenuDefinition}.
     *
     * @return new definition instance
     * @see MenuDefinition
     */
    @Override
    protected AbstractDefinition newDefinition()
    {
        return new MenuDefinition();
    }

    /**
     *
     */
    protected class MenuDefinition
        extends CommandDefinition
    {
        @Override
        protected void readXML(final List _tags,
                               final Map _attributes,
                               final String _text)
        {
            final String value = _tags.get(0);
            if ("childs".equals(value))  {
                if (_tags.size() > 1)  {
                    final String subValue = _tags.get(1);
                    if ("child".equals(subValue))  {
                        // assigns / removes child commands / menus to this menu
                        if (!"remove".equals(_attributes.get("modus"))) {
                            final LinkInstance child = new LinkInstance(_text);
                            final String order = _attributes.get("order");
                            if (order != null)  {
                                child.setOrder(Integer.parseInt(order));
                            }
                            addLink(MenuUpdate.LINK2CHILD, child);
                        }
                    } else  {
                        super.readXML(_tags, _attributes, _text);
                    }
                }
            } else if ("type".equals(value))  {
                // assigns a type the menu for which this menu instance is the type
                // tree menu
                addLink(MenuUpdate.LINK2TYPE, new LinkInstance(_text));
            } else  {
                super.readXML(_tags, _attributes, _text);
            }
        }
    }
}