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.help;
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.AbstractUpdate;
30  import org.efaps.update.LinkInstance;
31  import org.efaps.util.EFapsException;
32  
33  /**
34   * TODO comment!
35   *
36   * @author The eFaps Team
37   * @version $Id$
38   */
39  public class HelpMenuUpdate
40      extends AbstractUpdate
41  {
42      /** Link from menu to child command / menu. */
43      private static final Link LINK2CHILD = new OrderedLink("Admin_Help_Menu2Menu",
44                                                             "FromLink",
45                                                             "Admin_Help_Menu", "ToLink");
46  
47      /** Link from menu to type as type tree menu. */
48      private static final Link LINK2WIKI = new Link("Admin_Help_Menu2Wiki",
49                                                     "FromLink",
50                                                     "Admin_Program_Wiki", "ToLink");
51  
52      /**
53       * Set of all links for wiki menus.
54       */
55      private static final Set<Link> ALLLINKS = new HashSet<Link>();
56      static  {
57          HelpMenuUpdate.ALLLINKS.add(HelpMenuUpdate.LINK2CHILD);
58          HelpMenuUpdate.ALLLINKS.add(HelpMenuUpdate.LINK2WIKI);
59      }
60  
61      /**
62       * Constructor calling the super constructor.
63       * @param _url URL to the xml definition file.
64       */
65      public HelpMenuUpdate(final URL _url)
66      {
67          super(_url, "Admin_Help_Menu", HelpMenuUpdate.ALLLINKS);
68      }
69  
70      /**
71       * {@inheritDoc}
72       */
73      @Override
74      protected AbstractDefinition newDefinition()
75      {
76          return new WikiMenuDefinition();
77      }
78  
79      /**
80       * Definition for the wiki menu.
81       */
82      protected class WikiMenuDefinition
83          extends AbstractDefinition
84      {
85  
86          /**
87           * {@inheritDoc}
88           * @throws EFapsException
89           */
90          @Override
91          protected void readXML(final List<String> _tags,
92                                 final Map<String, String> _attributes,
93                                 final String _text)
94              throws EFapsException
95          {
96              final String value = _tags.get(0);
97              if ("childs".equals(value)) {
98                  if (_tags.size() > 1) {
99                      final String subValue = _tags.get(1);
100                     if ("child".equals(subValue)) {
101                         addLink(HelpMenuUpdate.LINK2CHILD, new LinkInstance(_text));
102                     } else {
103                         super.readXML(_tags, _attributes, _text);
104                     }
105                 }
106             } else if ("target".equals(value)) {
107                 if (_tags.size() == 2) {
108                     final String subValue = _tags.get(1);
109                     if ("wiki".equals(subValue)) {
110                         addLink(HelpMenuUpdate.LINK2WIKI, new LinkInstance(_text));
111                     }
112                 }
113             } else {
114                 super.readXML(_tags, _attributes, _text);
115             }
116         }
117     }
118 }