ItemContainerSupport


1   /*
2    *  Copyright 2004 Blandware (http://www.blandware.com)
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  package com.blandware.atleap.webapp.taglib.core.menu.context;
17  
18  import com.blandware.atleap.webapp.taglib.core.util.ContextMenuItem;
19  
20  import javax.servlet.jsp.tagext.SimpleTagSupport  ;
21  import java.util.ArrayList  ;
22  import java.util.List  ;
23  
24  /**
25   * <p>This class implements all common functionality of ItemContainer
26   * </p>
27   * <p><a HREF="ItemContainerSupport.java.htm"><i>View Source</i></a></p>
28   *
29   * @author Sergey Zubtcovskii <a HREF="mailto:sergey.zubtcovskii@blandware.com">&lt;sergey.zubtcovskii@blandware.com&gt;</a>
30   * @version $Revision: 1.2 $ $Date: 2005/09/21 13:46:05 $
31   */
32  public class ItemContainerSupport extends SimpleTagSupport   implements ItemContainer {
33  
34      // ~ Instance fields
35  
36      /**
37       * List of items to include in menu. Each of them corresponds to row with
38       * its index. Each menu is a list of menu items.
39       */
40      protected List   menus = new ArrayList  ();
41  
42      /**
43       * Creates new instance of ContextMenuTag
44       */
45      public ItemContainerSupport() {
46      }
47  
48      /**
49       * @see ItemContainer#storeItem(Integer, com.blandware.atleap.webapp.taglib.core.util.ContextMenuItem)
50       */
51      public void storeItem(Integer   index, ContextMenuItem item) {
52          // firstly obtain (or create) menu for row with given index
53          List   menu = new ArrayList  ();
54          int i = index.intValue();
55          if ( i < menus.size() ) {
56              menu = (List  ) menus.get(i);
57          }
58          // add item to that menu
59          menu.add(item);
60          // update (or add) that menu
61          if ( i < menus.size() ) {
62              menus.set(i, menu);
63          } else {
64              menus.add(menu);
65          }
66      }
67  
68  }
69
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