1   /*
2    * Copyright 2003 - 2013 The eFaps Team
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   * Revision:        $Rev$
17   * Last Changed:    $Date$
18   * Last Changed By: $Author$
19   */
20  
21  package org.efaps.update.schema.ui;
22  
23  import java.net.URL;
24  import java.util.HashSet;
25  import java.util.List;
26  import java.util.Map;
27  import java.util.Set;
28  
29  import org.efaps.update.LinkInstance;
30  import org.efaps.util.EFapsException;
31  
32  /**
33   * @author The eFaps Team
34   * @version $Id$
35   */
36  public class MenuUpdate
37      extends CommandUpdate
38  {
39      /**
40       * The links for the Menu to be updated.
41       */
42      protected static final Set<Link> ALLLINKS = new HashSet<Link>();
43  
44      /** Link from menu to child command / menu. */
45      private static final Link LINK2CHILD = new OrderedLink("Admin_UI_Menu2Command",
46                                                             "FromMenu",
47                                                             "Admin_UI_Command", "ToCommand").setIncludeChildTypes(true);
48  
49      /** Link from menu to type as type tree menu. */
50      private static final Link LINK2TYPE = new UniqueLink("Admin_UI_LinkIsTypeTreeFor", "From",
51                                                           "Admin_DataModel_Type", "To");
52  
53      static  {
54          MenuUpdate.ALLLINKS.add(MenuUpdate.LINK2CHILD);
55          MenuUpdate.ALLLINKS.add(MenuUpdate.LINK2TYPE);
56          MenuUpdate.ALLLINKS.addAll(CommandUpdate.ALLLINKS);
57      }
58  
59      /**
60       * @param _url URL to the Configuration Item.
61       */
62      public MenuUpdate(final URL _url)
63      {
64          super(_url, "Admin_UI_Menu", MenuUpdate.ALLLINKS);
65      }
66  
67      /**
68       *
69       * @param _url        URL to the Configuration Item.
70       * @param _typeName     Name of the type
71       * @param _allLinks     link definitions
72       */
73      protected MenuUpdate(final URL _url,
74                           final String _typeName,
75                           final Set<Link> _allLinks)
76      {
77          super(_url, _typeName, _allLinks);
78      }
79  
80      /**
81       * Creates new instance of class {@link MenuDefinition}.
82       *
83       * @return new definition instance
84       * @see MenuDefinition
85       */
86      @Override
87      protected AbstractDefinition newDefinition()
88      {
89          return new MenuDefinition();
90      }
91  
92      /**
93       *
94       */
95      protected class MenuDefinition
96          extends CommandDefinition
97      {
98          @Override
99          protected void readXML(final List<String> _tags,
100                                final Map<String, String> _attributes,
101                                final String _text)
102             throws EFapsException
103         {
104             final String value = _tags.get(0);
105             if ("childs".equals(value)) {
106                 if (_tags.size() > 1) {
107                     final String subValue = _tags.get(1);
108                     if ("child".equals(subValue)) {
109                         final LinkInstance child = new LinkInstance(_text);
110                         addLink(MenuUpdate.LINK2CHILD, child);
111                     } else {
112                         super.readXML(_tags, _attributes, _text);
113                     }
114                 }
115             } else if ("type".equals(value)) {
116                 // assigns a type the menu for which this menu instance is the type
117                 // tree menu
118                 addLink(MenuUpdate.LINK2TYPE, new LinkInstance(_text));
119             } else {
120                 super.readXML(_tags, _attributes, _text);
121             }
122         }
123     }
124 }